highaltitude.log.20130717

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[01:51] <DL7AD> i think the balloon is drunk
[01:58] <costyn> arko: cool
[02:02] <arko> WE CANT STOP HERE, THIS IS WINE COUNTRY
[02:03] <arko> man
[02:03] <arko> its still alive
[02:03] <arko> thats crazy
[02:05] <DL7AD> yep
[02:05] <DL7AD> i can receive it but not decode
[02:05] <DL7AD> it has to come closer
[02:13] <heathkid> hey everyone!
[02:14] <DL7AD> good morning heathkid
[02:15] <heathkid> good morning
[02:15] <heathkid> 10:15 PM here... but good morning! :)
[02:16] <heathkid> so... how to fill at 600g balloon?
[02:17] <heathkid> how much He? What size of tank do I need? Filler tube setup photos/ideas?
[02:17] <heathkid> want fast ascent to burst at >100k ft.
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[03:09] <arko> ermergerd
[03:09] <arko> im excited
[03:09] <arko> its almost day time for B-6
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[03:19] <DL7AD> yes and the balloon need the day because instead its gonna land
[03:21] <DL7AD> GOT A CORRECT PACKAGE FROM IT! :D
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[04:04] <DL7AD> good morning LeoBodnar ! :)
[04:04] <DL7AD> P-6 is still alive
[04:04] <LeoBodnar> Morning! :)
[04:04] <LeoBodnar> Haha indeed
[04:05] <nigelvh> Evening crew.
[04:05] <LeoBodnar> Morn!
[04:05] <nigelvh> Which morning are you experiencing?
[04:05] <LeoBodnar> Very DeJavu-is one
[04:05] <LeoBodnar> -ish
[04:06] <LeoBodnar> How about yours?
[04:06] <LeoBodnar> Are you still receiving DL7AD ?
[04:06] <DL7AD> yes i can. but its hard to decode currently
[04:06] <nigelvh> The evening here on the west coast of the US is going well.
[04:07] <DL7AD> houston control is still watching p6 :D
[04:07] <LeoBodnar> Cool! Yours is the place to be now, it's going to be another scorching day here in the UK
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[04:08] <nigelvh> It's been pretty hot here too.
[04:08] <LeoBodnar> Haha DL7AD
[04:08] <LeoBodnar> But at least it's probably normal weather for you?
[04:09] <LeoBodnar> What's weather like in Houston, TX?
[04:10] <nigelvh> Well, I can't speak for Houston as I'm in Washington, but it's been maybe a little warmer than usual.
[04:10] <DL7AD> ehm this day (tuesday) it was clody and not hot (25°C)
[04:10] <DL7AD> we got rain (thunderstorm) again.
[04:10] <DL7AD> normally its sunny or theres an thunderstorm
[04:11] <LeoBodnar> Good weather for humans
[04:11] <DL7AD> normal rain is uncommon
[04:11] <DL7AD> we also had 44°C on 3 days.
[04:11] <DL7AD> thats not good for human ;)
[04:11] <LeoBodnar> Oh, wow
[04:11] <nigelvh> THAT's really hot
[04:12] <nigelvh> Hottest it's been around here in the past few weeks was about 30C
[04:12] <LeoBodnar> Does Texas have large temperature swings (very cold in the winter and very hot in the summer?)
[04:13] <LeoBodnar> nigelvh: Washington as in WA or DC?
[04:13] <DL7AD> ehm. the lowest temperature is probably 10°C. but im unexperienced. KT5TK can tell you more about because im just supposed to stay here for 2 monthes LeoBodnar
[04:13] <nigelvh> The REAL Washington, as in not DC.
[04:14] <LeoBodnar> K
[04:14] <LeoBodnar> XD
[04:14] <nigelvh> Stupid DC people using our good Washington name.
[04:15] <nigelvh> Trivia: Everyone from Washington calls Washington DC, "DC".
[04:15] <LeoBodnar> Lol
[04:15] <nigelvh> Because that's what it is.
[04:15] <nigelvh> The District of Columbia.
[04:16] <LeoBodnar> Must be your pet peeve !
[04:16] <LeoBodnar> Direct Current
[04:16] <nigelvh> I'm not sure I'd call it a pet peeve, but it is annoying when things like the news don't clarify and just say "washington"
[04:17] <LeoBodnar> Oh, I see, and amount of news as well
[04:17] <nigelvh> Though generally you can figure it out if the city name is Indian based.
[04:17] <LeoBodnar> probably
[04:17] <DL7AD> LeoBodnar: is B-6 is going down in the near of F5VMH hes unable to recover it. he left today and drove to brussel
[04:17] <nigelvh> "Yakima" "Seattle" "Cle Elum" "Sequim" etc.
[04:17] <LeoBodnar> 10C is not bad DL7AD
[04:18] <LeoBodnar> Lovely names
[04:18] <nigelvh> 10C is nothing.
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[04:19] <nigelvh> Coldest it gets in my hometown is -28C
[04:19] <nigelvh> Coldest it gets around Seattle where I live now is about -18C
[04:19] <DL7AD> bbrrrrr
[04:20] <LeoBodnar> Haha, proper winter then
[04:20] <nigelvh> I much prefer the cold to the hot.
[04:20] <LeoBodnar> Proper cold is better than from 0C or -5C. It feels dry and crisp
[04:21] <nigelvh> It's especially fun when the tires on your car are frozen to the ground and you have to drop the clutch to break them free in the morning.
[04:21] <nigelvh> Only does that on the coldest nights
[04:21] <nigelvh> Back in my hometown.
[04:22] <LeoBodnar> Oh, tell me! I lived in Moscow. -30C in the winter sometimes. And +35C in the summer. It's survivalism, not life.
[04:22] <nigelvh> I can imagine.
[04:23] <LeoBodnar> Isn't WA weather supposed to be "moderate" because of closeness to the ocean?
[04:23] <DL7AD> bad for my car in germany. im driving a smart fortwo and the windows get opaque everytime.
[04:23] <DL7AD> in winter
[04:23] <nigelvh> Seattle's weather is more moderate, but my hometown is on the other side of the cascade mountains.
[04:23] <nigelvh> So it gets much hotter and much colder.
[04:24] <LeoBodnar> Just mist DL7AD or glass changes its crystalline structure? XD
[04:24] <DL7AD> just mist.
[04:24] <DL7AD> but we call this "mist" in german as well :D
[04:24] <nigelvh> My outback has heated seats, heated mirrors, and heated windshield wiper area.
[04:24] <LeoBodnar> We bought Smart car to make into a motion based car sim, haven't got around doing it yet
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[04:25] <nigelvh> Takes care of snow and ice quite nicely.
[04:25] <DL7AD> the meaning of mist in german is shit ^^
[04:25] <LeoBodnar> :) DL7AD
[04:25] <LeoBodnar> Oh! oops
[04:26] <DL7AD> LeoBodnar my heating of my smart (35ps) is not sufficient for the huge windows
[04:26] <LeoBodnar> Is shize (sp?) the same
[04:27] <LeoBodnar> You are on the border with Canada nigelvh ?
[04:27] <nigelvh> Nearly.
[04:27] <DL7AD> yes it is
[04:27] <nigelvh> It's about 2 hours.
[04:28] <nigelvh> But yes, washington the state borders canada.
[04:28] <DL7AD> F5MVH is able to decode B-6 clearly now
[04:29] <nigelvh> One of you guys needs to make a floater go across the pacific and I'll track it for you.
[04:30] <DL7AD> :D
[04:30] <LeoBodnar> oh cool, B-6 is like a local shuttle bus, not a proper floater :)
[04:31] <LeoBodnar> Lol, it's difficult to image we are on the opposite sides of the planet
[04:31] <nigelvh> Something like that, yeah.
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[04:31] <nigelvh> Seriously, I keep waiting for a floater to come around.
[04:32] <LeoBodnar> Talking just like that.
[04:32] <nigelvh> DL7AD, a while back KT5TK released a bouy beacon off the coast up here. That was interesting.
[04:33] <DL7AD> yes he told me something about. but i was nearly to forget it.
[04:34] <nigelvh> Unfortunately, it didn't work as well as potentially hoped.
[04:34] <LeoBodnar> Do they use WSPR network?
[04:34] <nigelvh> No, that was APRS.
[04:35] <nigelvh> The bouy was quite small and an HF antenna would be too large.
[04:35] <LeoBodnar> Ah
[04:35] <nigelvh> So it was just a 2M APRS beacon.
[04:36] <nigelvh> Rather few positions actually got through.
[04:36] <LeoBodnar> Is APRS 2m?
[04:36] <nigelvh> Generally.
[04:36] <nigelvh> Though there is some 70cm APRS activity.
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[04:50] <DL7AD> the balloon is now at packet 18000. every packet has approx 60bytes. lets calculate: 18000packets * 60bytes / 1024^2 = 1.02mb
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[04:52] <LeoBodnar> Still less than one floppy
[04:52] <LeoBodnar> 1.2MB one
[04:52] <arko> still flyin LeoBodnar :)
[04:52] <LeoBodnar> haha why not
[05:03] <x-f> good morning
[05:03] <x-f> because it should have run out of battery and gas yesterday? :)
[05:06] <LeoBodnar> irrational morning x-f
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[05:07] <LeoBodnar> Your telemetry website is great, did I tell you that? UTC isn't right offset but it's great still
[05:07] <LeoBodnar> Now that I have time
[05:11] <DL7AD> your balloon is pretty cool Leobodnar :) never expected to be so successful
[05:11] <LeoBodnar> Neither did I :)
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[05:12] <x-f> you did, thanks :) how much is it offset from UTC?
[05:12] <LeoBodnar> I thought yesterday it was going to come down like a good boy and let F5APQ find it
[05:13] <LeoBodnar> x-f two hours less then it should bee
[05:13] <LeoBodnar> I have been using it for all my telemetry needs :)
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[05:15] <DL7AD> the balloon is getting wet again. its raining
[05:16] <LeoBodnar> Yes, up and down like a yoyo :)
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[05:27] <DL7AD> LeoBodnar how much capacity had the battery at beginning?
[05:29] <LeoBodnar> It's an Energizer Lithium AA battery. Do you mean mAh / mWh ?
[05:30] <LeoBodnar> Here is a great info on these battery chemistry http://data.energizer.com/PDFs/lithiuml91l92_appman.pdf worth a read
[05:30] <Upu> this is madness :)
[05:30] <Upu> power saving working then
[05:31] <LeoBodnar> Haha! Good morning
[05:31] <LeoBodnar> Coming up to 59 hours
[05:32] <Upu> well thats beaten CNSP-11
[05:32] <LeoBodnar> Something is working, not sure it was very conscious effort on my side
[05:32] <LeoBodnar> It's a milk float not a balloon :)
[05:33] <Upu> it will be back on continuous TX now ?
[05:33] <LeoBodnar> It is now
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[05:33] <Upu> altitude not stable :)
[05:34] <LeoBodnar> There is a lot of rainstorm activity in the area
[05:34] <Upu> well always wondered where balloons went if you let them go, now we know. France.
[05:35] <LeoBodnar> But whether it is below it and pulling it down through downdrafts or it is into some clouds I have no idea
[05:35] <LeoBodnar> Well, it just travels back and forth along the same route. Not very imaginative
[05:36] <LeoBodnar> All escaped party balloons must be there going in a massive bunch between Calais and Paris
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[05:37] <DL7AD> rofl
[05:39] <LeoBodnar> I wonder if it wasn't hammered down by 2km from 7000m yesterday it would have continued "on top of weather" ins a steady course
[05:39] <LeoBodnar> ?
[05:39] <Upu> possibly
[05:40] <LeoBodnar> As soon as it enters lower altitude it is like a tumble dryer
[05:40] <LeoBodnar> Your PAVA must have been through the same ordeal when it descended over the Channel ?
[05:41] <LeoBodnar> I can't remember what mission it was - "European tour"?
[05:41] <LeoBodnar> I think you suggested self-sealing leak
[05:42] <Upu> well that was a 1600g latex and it was at 30km
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[05:42] <Upu> it only dropped over night
[05:42] <LeoBodnar> Ah, got it all twisted in my head
[05:42] <Upu> furthest I've got a foil is Sheffield :)
[05:43] <LeoBodnar> :)
[05:45] <eroomde_> deaded?
[05:45] <LeoBodnar> Really interesting altitude movements. Are they just airflow or water/ice/frost?
[05:45] <LeoBodnar> Nah, it would be too logical eroomde_
[05:45] <Upu> alive alive o
[05:46] <Upu> still touring France
[05:47] <LeoBodnar> It moves like a stock market index. Panic, falls down, reaches round number, reverses and goes up at about the same rate
[05:47] <DL7AD> http://i.imgur.com/t7baYjy.png
[05:47] <eroomde_> oh nice
[05:47] <eroomde_> funky altitude
[05:47] <eroomde_> sadly thr spirit of knoxeville released data is now dan
[05:47] <eroomde_> down
[05:47] <eroomde_> and dan is not around
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[05:47] <eroomde_> but i'm sure the altitude vs time data towards the end of the flight did something similar
[05:47] Nick change: eroomde_ -> eroomde
[05:48] <LeoBodnar> and who is around?
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[05:48] <jcoxon> what!
[05:49] <eroomde> dan being the spirit of knoxville tsar
[05:49] <Upu> lol
[05:49] <LeoBodnar> As in around is ...?
[05:49] <eroomde> jcoxon: was observing the snox data altitude did something similarly wierd around day 3
[05:49] <LeoBodnar> jcoxon: Welcome to the ward
[05:49] <eroomde> LeoBodnar: dan used to be on the irc channel a lot
[05:49] <LeoBodnar> I see
[05:49] <Upu> its out floated K6RPT-11
[05:49] <eroomde> but i think he's busy with commercial work atm
[05:49] <jcoxon> how many hours now?
[05:49] <Upu> 59 ?
[05:50] <LeoBodnar> 59.1
[05:50] <Upu> single AA
[05:50] <Upu> with a MAX7
[05:50] <LeoBodnar> Under a pocket of laughing gas
[05:51] <jcoxon> battery has dropped a little i see
[05:52] <eroomde> those AAs are ludicoursly amazing though
[05:52] <eroomde> 3000mAh!
[05:52] <LeoBodnar> Yes, good power density
[05:52] <eroomde> so if you could get your current draw to be an average of 30mA (doable with powersave) that's like 4 days
[05:53] <LeoBodnar> Well nobody is stopping you having 3mA draw. WHo needs updates every 5 seconds for 40 days?
[05:53] <eroomde> our blimp cutdown system we have got down to about 8mA average, and it can run for about 2-3 weeks (lipo pack). digital electronics nowadays just makes you smile
[05:53] <eroomde> LeoBodnar: well quite
[05:54] <eroomde> that's sort of our approach with the blimp cutdown
[05:55] <LeoBodnar> I think current MCU sleep current is 100s of nanoamps.
[05:55] <LeoBodnar> Everything else can be off
[05:55] <eroomde> i think when henry, who used to be on irc, wrked it out for a project he basically concluded that solar was not worth it (excepting pathologically light picos) until you wanted to run for more than about 2 weeks
[05:55] <eroomde> up until then, lithiums all the way
[05:55] <LeoBodnar> Surface leakage current is probably worse in damp condition
[05:56] <eroomde> yes, conformally coat
[05:56] <eroomde> if you can take the weight hit :)
[05:56] <LeoBodnar> Sound correct to me
[05:56] <LeoBodnar> Unfortunately there are no AAAA lithiums (LiFeS2)
[05:56] <arko> yeah
[05:56] <arko> the best i could find are those zinc air
[05:56] <arko> but i think they require air :P
[05:56] <eroomde> the only pcb i didn't conformally coast was the first ever one i did when i got into electronics
[05:57] <arko> not sure how it would work at altitude
[05:57] <LeoBodnar> Yes, they sort of work until you hit them with -20C
[05:57] <jcoxon> so this is now second place
[05:57] <eroomde> and that in the end spent 3 months in the north see, before a danish dog-walker found it
[05:57] <jcoxon> only PBH with 84hrs
[05:57] <eroomde> http://www.flickr.com/photos/cuspaceflight/3863616068/in/set-72157622038400075
[05:57] <LeoBodnar> I'd give it until mid-day
[05:57] <eroomde> now i conformally coat :)
[05:58] <arko> LeoBodnar: forget batteries, go solar :D
[05:59] <LeoBodnar> :)
[05:59] <eroomde> would be ncie if you could do solar + AAA
[05:59] <jcoxon> LeoBodnar, could of crossed the atlantic by now
[05:59] <eroomde> and drop the aaa once it's dead :)
[05:59] <eroomde> jcoxon: this is what i said last night!
[05:59] <eroomde> should post the next one to the east coast
[05:59] <jcoxon> not that we'd know
[06:00] <eroomde> HF dominoEX
[06:00] <jcoxon> hehe
[06:00] <jcoxon> the antenna would weigh more then the payload
[06:01] <eroomde> yes it would have to be ultra-thin single-core copper wire or something
[06:01] <eroomde> dipole, one half up the the balloon, the other hanging down below
[06:01] <LeoBodnar> I need to go on holiday after each flight I think. It's very difficult to be busy doing nothing
[06:01] <eroomde> i find customers get in the way
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[06:02] <jcoxon> eroomde, too big sadly
[06:02] <jcoxon> needs to be < 2m
[06:02] <jcoxon> use the balloon as a loop?
[06:02] <eroomde> interesting
[06:02] <LeoBodnar> 38AWG wire?
[06:02] <eroomde> iirc looks are very directional
[06:03] <eroomde> you could just have a not-very-tuned antenna
[06:03] <eroomde> and hope for the best
[06:03] <jcoxon> hehe
[06:03] <eroomde> slowest domex
[06:03] <jcoxon> relay balloons
[06:03] <jcoxon> remember thats how we were going to do picos originally
[06:03] <jcoxon> have a fleet
[06:03] <jcoxon> or even launch a latex behind it
[06:04] <eroomde> i still want to do a sotrm hab
[06:04] <jcoxon> give us a 1600km range (800 each way)
[06:04] <eroomde> storm*
[06:04] <jcoxon> eroomde, one personal projcet at a time...
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[06:04] <eroomde> where a latex balloon towns up a constallation of picos that are all attached like a bunch of grapes
[06:04] <eroomde> then once inside the belly of a sotrm, release all the picos
[06:04] <LeoBodnar> Just pretend to be a small yacht and ask ships to relay data ashore
[06:04] <eroomde> and track their movement with a fairly high update rate
[06:05] <jcoxon> we could pay for eroomde to go to the ISS
[06:05] <eroomde> but yes one project at a time
[06:05] <eroomde> i am doing A Hab now
[06:05] <jcoxon> and install a dl-fldiigi station
[06:05] <eroomde> that's enough
[06:05] <eroomde> ahab!
[06:05] <eroomde> captain ahab!
[06:05] <LeoBodnar> At least on ISS you are contained
[06:05] <eroomde> shotgun
[06:06] <LeoBodnar> :)
[06:06] <jcoxon> LeoBodnar, looking at my old flights
[06:07] <jcoxon> picovii did something like this
[06:07] <jcoxon> http://wiki.ukhas.org.uk/projects:picoatlas:picoatlasvii#flight_20_10_12
[06:07] <jcoxon> obviously not for the same amount of time
[06:09] <jcoxon> yay 40 people for the confernce
[06:09] <eroomde> nice
[06:09] <LeoBodnar> Do you mean random vertical movement?
[06:09] <jcoxon> yeah
[06:11] <jcoxon> work time
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[06:12] <LeoBodnar> Data string sequence number probably needs to be unsigned 64 bit integer.
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[06:20] <LeoBodnar> x-f: The time interval selection boxes are actually correct! It is the chart data that is offset by -2 hours
[06:21] <x-f> what do you get, if you enter this in your browser's address bar - javascript:alert((new Date).getTimezoneOffset());
[06:22] <eroomde> a cuddly toy1
[06:22] <eroomde> !
[06:22] <eroomde> thanks x-f
[06:22] <LeoBodnar> -60
[06:22] <LeoBodnar> in Safari
[06:22] <x-f> hmm..
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[06:31] <LeoBodnar> B-6 could have been made into a floating loudspeaker wait a sound loop on it: http://www.youtube.com/watch?v=SJUhlRoBL8M
[06:31] Nick change: stilldavid_ -> stilldavid
[06:36] <LeoBodnar> OK, workrun!
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[06:42] <DL7AD> godd night
[06:42] <G0TDJ_Steve> Errr, Good Morning
[06:43] <DL7AD> but not in houston
[06:43] <G0TDJ_Steve> Oh :-)
[06:43] <DL7AD> 2am here
[06:43] <G0TDJ_Steve> Good night whoever is in Houston
[06:43] <G0TDJ_Steve> Oh it's you
[06:44] <G0TDJ_Steve> 07:45BST here
[06:44] <G0TDJ_Steve> Have a nice night
[06:45] <DL7AD> by the way signal is strog at f5mvh LeoBodnar
[06:45] <DL7AD> thx gn
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[06:55] <G0TDJ_Steve> Leo has made the Southgate Amateur Radio New Pages: http://www.southgatearc.org/news/july2013/434_mhz_balloon_still_aloft_after_50_hours.htm?utm_source=twitterfeed&utm_medium=twitter#.UeY_cG1dA04
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[06:58] <x-f> "It is expected to land during the night." :)
[06:59] <UpuWork> Quack quack
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[07:12] <Willdude123> Why don't we use the NRX2?
[07:12] <UpuWork> not sensitive enough
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[07:14] Nick change: zeusbot_ -> zeusbot
[07:14] Possible future nick collision: zeusbot
[07:15] <Willdude123> Are there many other popular modules?
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[07:16] <LeoBodnar> Hi all
[07:16] <G0TDJ_Steve> Hey LeoBodnar you made the Southgate Amateur Radio New Pages: http://www.southgatearc.org/news/july2013/434_mhz_balloon_still_aloft_after_50_hours.htm?utm_source=twitterfeed&utm_medium=twitter#.UeY_cG1dA04
[07:17] <G0TDJ_Steve> News....
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[07:17] <G0TDJ_Steve> Oh and Good Morning :D
[07:17] <LeoBodnar> Oh, cool, spread the good news! :)
[07:17] <LeoBodnar> What's up Steve?
[07:17] <eroomde> southgate's reserach department must be on a par with the nsa
[07:17] <x-f> boujour, f5apq
[07:17] <G0TDJ_Steve> Nothing Mate :D
[07:18] <x-f> bonjour*
[07:18] <f5apq> morning all
[07:18] <LeoBodnar> Bonjour f5apq
[07:18] <eroomde> i'm sure i've farted in private before while working on a hab and it made it to southgate arc
[07:18] <G0TDJ_Steve> LOL eroomde
[07:18] <LeoBodnar> It was a an attempt at a joke Steve :-) I need to practice more
[07:18] <G0TDJ_Steve> :-) I should have said B6!
[07:19] <LeoBodnar> XD
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[07:19] <number10> LeoBodnar: how many days did you have the payload doc covering?
[07:19] <LeoBodnar> Today is the last. And so it will be.
[07:19] <G0TDJ_Steve> LeoBodnar: I said earlier that someone is playing a strange game of tennis with B6
[07:19] <number10> :)
[07:20] <G0TDJ_Steve> B7 will have a lot to live up to!
[07:20] <DL7AD> lost contact to computer of F5MVH but decoding still running
[07:21] <x-f> B-6 made another U-turn
[07:21] <gonzo___> B6 is really doing a tour of that part of the country. Wonder if it is following tom-tom instructions?
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[07:21] <ibanezmatt13> Morning All :)
[07:22] <G0TDJ_Steve> GM OB
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[07:25] benoxley_2 (~benoxley@kryten.hexoc.com) got lost in the net-split.
[07:25] ikarus (~ikarus@ip51cdc735.speed.planet.nl) got lost in the net-split.
[07:26] <G0TDJ_Steve> Guys, I updated my payload label. It now includes a bit more info and the layout is better. http://g0tdj.com/PDF/payload_label.pdf Feel free to use however you like
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[07:31] <Willdude123> What other radio modules to people use? I forgot the name of one.
[07:31] <LeoBodnar> G0TDJ_Steve: can I make a suggestion? These labels have a good chance to be found in a foreign country so the simpler the English is the better. People might not understand words like "further, recovered and even payload"
[07:31] <LeoBodnar> *of being found
[07:31] <G0TDJ_Steve> Hmmm, interesting point LeoBodnar
[07:32] <G0TDJ_Steve> Maybe one with icons instead of text?
[07:32] <LeoBodnar> So maybe "More information" "This balloon is harmless" etc?
[07:32] <LeoBodnar> Yes, put smiley on it ! :)
[07:32] <x-f> Willdude123, RFM22B
[07:32] <G0TDJ_Steve> :D
[07:33] <G0TDJ_Steve> I'll see what I can do LeoBodnar
[07:33] <LeoBodnar> Cheers!
[07:33] <LeoBodnar> Just my thoughts. XD
[07:33] <Hix> ha! B6 is still going strong 1.36V nice! LeoBodnar
[07:33] <G0TDJ_Steve> Yeah, no worries. I'm sure the current version will be OK for UK short distance balloons
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[07:35] <LeoBodnar> It is great Steve,
[07:35] <G0TDJ_Steve> Thank You
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[07:36] <LeoBodnar> as it is, I have skipped that bit :)
[07:36] <arko> i like how the battery voltage went up a little
[07:36] <LeoBodnar> temperature went up
[07:37] <Hix> LeoBodnar: what sort of current was B6/B2 pulling in testing
[07:38] <PE2G> Morning Leo and all, this is incrdebile, B-6 still up, climbing through 6.2K!
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[07:40] <mikestir-work> b6 broken the longest flight record yet?
[07:41] <Hix> broken the "longest single AA powered device ever" record :)
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[07:42] <x-f> longest flight record is 84 hours, 24 hours away
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[07:43] <ibanezmatt13> Morning daveake.Thank you very much for the Pi n Chips board. Really appreciate it
[07:43] <daveake> Still up? Wow
[07:43] <daveake> Blimey, is that thing sponsored by Viagra?
[07:43] <daveake> No problem ibanezmatt13
[07:43] <mikestir-work> can't believe it's gone back up to 6k again as well
[07:43] <Alchamist> Those swallows are still carrying it ...
[07:43] <eroomde> mikestir-work: 84 hours is the record iirc
[07:43] <eroomde> so a bit to go yet
[07:43] <ibanezmatt13> Had good fun trying to remove the solder out of the holes you left in :P Good learning exersise though
[07:44] <daveake> :D
[07:44] <daveake> Thank Upu anyway he designed/made/paid for those
[07:44] <ibanezmatt13> did do :)
[07:44] <daveake> I just used and destroyed them :p
[07:44] <ibanezmatt13> Just one question, do I only need to put my regulated 3.3v into the 3.3v socket? Can the 5v line be left unused?
[07:45] <LeoBodnar> Hix, MAX6/MAX7 draws very uneven current dependent on current satellite visibility and strength so it's very difficult to produce and average
[07:46] <LeoBodnar> Morning PE2G
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[07:48] <ibanezmatt13> daveake: I just put 3.3v into the 3.3v socket right? Do I need to touch the 5v reg socket? And I just connect the Pi to the board using a standard ribbon cable?
[07:49] <daveake> It's the same for that board as usual
[07:50] <daveake> If you runb the board from 3.3 then you need to tie the 3.3 and 5V lines together.
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[07:51] <ibanezmatt13> Ah right, I'll have a think on how to do that
[07:51] <PE2G> So what's the explanation for this climb? The water on the balloon/payload is gone?
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[07:52] <fsphil> was there clouds at 7km?
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[07:54] <ibanezmatt13> daveake: Last night we crimped some of those small two wire connectors onto the end of some wire. They will be going into the socket on the board. Do I need to somehow simply connect the 5v socket to the 3.3v socket? Would that do the trick?
[07:54] <fsphil> that would explain a lot
[07:55] <Geoff-G8DHE-> Amazing B-6 still going!
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[07:56] <daveake> <daveake> If you runb the board from 3.3 then you need to tie the 3.3 and 5V lines together.
[07:56] <daveake> ^^ that
[07:57] <daveake> Where you do it (GPIO pins, or near the 3.3V reg) is up to you
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[08:02] <ibanezmatt13> If I have a switching 3.3v regulator but I want two 3.3v outputs and two grounds, would I just solder 2 wires onto the OUT+ terminal and 2 wires onto the OUT- terminal? Would that work or is that a stupid idea? I need to tie the 3.3v and 5v lines together to 3.3v
[08:03] <fsphil> yes, but don't see it as two outputs. you're running multiple devices in parallel from the one supply
[08:03] <fsphil> make sure the supply can handle the combined load
[08:04] <ibanezmatt13> Thanks fsphil. I'm not sure whether it's the best way but I can't really think of anything else :P
[08:04] <fsphil> what are you trying to do?
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[08:06] <ibanezmatt13> I need to tie the 3.3v line and 5v line togther to 3.3v. BUT, I'm using a board which has certain connectors for 5v in and 3.3v in
[08:06] <fsphil> not sure what you mean
[08:06] <fsphil> I guess you're removed the regulator from the Pi?
[08:07] <ibanezmatt13> yes
[08:08] <LeoBodnar> I think it is weather flows
[08:08] <fsphil> if you tie 3.3v to the Pis 5v line in that case, the 5v line becomes 3.3v
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[08:09] <ibanezmatt13> that's what I need to do, but on this board. I can either link the two lines at the GPIO header which could be annoying if I have a ribbon cable, or I can link them near the regulator
[08:09] <fsphil> which ever is most reliable
[08:10] <ibanezmatt13> I'll have a think
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[08:33] <Lunar_LanderU> hello
[08:33] <Lunar_LanderU> LeoBodnar: you are awesome
[08:33] <Lunar_LanderU> xD
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[08:39] <LeoBodnar> lol Lunar_LanderU cheers
[08:40] <Lunar_LanderU> xD you are welcome
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[08:42] <eroomde> at work
[08:42] <eroomde> reunited with the nice lemo connectors
[08:43] <eroomde> it has been too long
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[08:46] <HixWork> Your M series turned up eroomde ?
[08:46] <eroomde> yes
[08:46] <eroomde> they are damn nice
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[08:47] Nick change: [1]Geoff-G8DHE -> Geoff-G8DHE
[08:48] <craag> I could express my amazement at B-6, but I guess that'd nothing new in the channel this morning.
[08:48] <fsphil> bored now :)
[08:49] <HixWork> benefits of a company account
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[08:50] <eroomde> these were samples
[08:51] <eroomde> but yes we are not going to buy 30 or so pairs
[08:51] <eroomde> and possibly start using them elsewhere too. i'm pretty enamoured
[08:51] <eroomde> so how long till someone builds a 2m dia superpressure balloon with internal payload?
[08:52] <craag> I've been thinking about it..
[08:52] <mattbrejza> does internal to the neck count?
[08:53] <eroomde> of theprobably
[08:53] <eroomde> just in terms of getting within the 2m exemption
[08:53] <mfa298> might need a much more omni directional antenna for the payload to be inside the balloon.
[08:53] <eroomde> that's the sort of size that dan was talking about
[08:53] <eroomde> for the circumnavigation stuff
[08:53] <HixWork> Gunfire vibration - 25 to 2000 Hz, 3 axis (Apache helicopter)
[08:53] <eroomde> yes, it might have a bit of wobble
[08:53] <HixWork> my favourite spec ever :)
[08:53] <craag> Well at least 1.5m across, 100g hwoyee with some of the anti-bird garden netting around it.
[08:53] <mattbrejza> i suppose you could make a super pressure balloon out of a 100g balloon if you use something to stop it expanding
[08:54] <mattbrejza> but dunno how long itll last
[08:54] <eroomde> that's not a bad idea
[08:54] <craag> Also if you have spare lift, you could sew some thin sheet into the netting to protect it from uv.
[08:54] <eroomde> though, mass
[08:55] <eroomde> for our blimp we had an inner plasticy bladder and a ripstop nylon over-skin
[08:55] <craag> yeah, a quick look showed it didn't quite work on the mass side of things, the netting tends to be too heavy.
[08:55] <eroomde> to stop it expanding as much as anything
[08:57] <eroomde> making one out of the right material would probably be optimal
[08:57] <eroomde> but making tem well is tricky as we discovered
[08:57] <eroomde> especially spherical ones
[08:58] <craag> Yeah.. the whole making-the-netting spherical bit is a bit tricky.
[08:58] <HixWork> can you get dyneema netting?
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[08:58] <fsphil> use two chutes
[08:59] <craag> That's what the US flight did isn't it
[09:00] <fsphil> I like the bladder idea
[09:01] <craag> HixWork: yes you can..
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[09:02] <eroomde> useless pos bot
[09:03] <eroomde> well anyway google that and you get a good paper on designing them
[09:03] <HixWork> craag, that stuff is pretty damn strong forf its weight and cost, just if you can get net fine enough
[09:03] <eroomde> but it basically just concludes that for small ones, a pure sphere works best
[09:03] <eroomde> the difficulty is that it needs to be well made to cope with a decent sperpressure
[09:03] <eroomde> and a decent superpressure buys you airtime
[09:03] <craag> HixWork: Looking at their catalog now - but it's all safety-style netting, so probably a litte on the heavy side for what we need!
[09:03] <eroomde> tiny tiny excess lifts/pressures, as with picos so far, don't take much to be killed
[09:04] <eroomde> and they'll just burst if you put too much in
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[09:05] <craag> Yeah it'd be nice to have some decent spare lift, combined with decent altitude!
[09:07] <craag> oo HixWork their commercial aquaculture nets are apparently just 5g/m2
[09:07] <craag> That's the lightest I've seen so far!
[09:07] <HixWork> craag, they do some pretty fine fibres, often used for sport fishing lines, you just need an old Cornish fisherman to make up a net
[09:08] <HixWork> ^^ ahh there you go then :)
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[09:10] <GW8RAK> Morning, looking at the conversation above, you can get strong low stretch fabrics down to around 25gsm.
[09:11] <GW8RAK> Or PU films at around 5gsm, but they are clear or offwhite
[09:11] <Lunar_LanderU> hi GW8RAK
[09:12] <GW8RAK> Morning Kevin.
[09:12] <HixWork> I reckon them nets would easily be up to the task
[09:12] <GW8RAK> Netting tends to be quite heavy
[09:12] <HixWork> 5g/m^2 :)
[09:14] <Lunar_LanderU> I am wondering about the interrupt method once more now that I am looking at Anthony's code
[09:14] <eroomde> about 60g for a dm dia balloon
[09:14] <Lunar_LanderU> seems like the instruction to transmit is never called in the loop
[09:14] <Lunar_LanderU> is that because it is in the interrupt and thus executed anyway?
[09:14] <GW8RAK> That's not bad then. I was thinking of the meshes I have here
[09:14] <eroomde> who knows, not seen the code. better to just try and understand interrupts (you can't really use micros properly without them) and write it from scratch
[09:14] <Lunar_LanderU> yeah, just reading the basics article he linked to
[09:15] <fsphil> first step: make an interrupt blink an LED
[09:15] <Lunar_LanderU> sounds good
[09:15] <Lunar_LanderU> just reading about that
[09:16] <eroomde> so a 2m dia balloon gives you about 2kg of lift at sea level
[09:16] <eroomde> 40,000ft is about 1/5th of that from memory
[09:16] <eroomde> so about 400g
[09:16] <eroomde> lets say you want 100g of free lift just kinda arbitrarily
[09:16] <eroomde> that gives you about 300g for payload
[09:16] <eroomde> 100 gone on the balloon
[09:17] <eroomde> 60 on the netting
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[09:17] <HixWork> Yo - Lunar_LanderU http://goo.gl/Q2m7T & http://www.fourwalledcubicle.com/AVRArticles.php
[09:17] <eroomde> so basically you have about 100g for tracker
[09:17] <HixWork> or 5 LeoBodnar trackers :)
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[09:17] <eroomde> yes, but i'm assuming you actually want this to last a while
[09:17] <eroomde> and perhaps use more than 10mW
[09:18] <eroomde> perhaps aprs once a minute, and use all the leftover mass for lithiums
[09:18] <Lunar_LanderU> HixWork: cool, thanks
[09:18] <HixWork> nps
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[09:18] <Lunar_LanderU> that shows how little time I have
[09:18] <Lunar_LanderU> I looked at the latter link before as I was once pointed to AVRfreaks
[09:18] <Lunar_LanderU> even downloaded the PDFs
[09:18] <Lunar_LanderU> but didn't check them out
[09:18] <Lunar_LanderU> :)
[09:19] <HixWork> the irony of no time for interrupts
[09:19] <Lunar_LanderU> yea :)
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[09:20] <craag> The annoying thing is that these are all suppliers that look their minimum order q will be about 100m2
[09:21] <craag> And very few are in the uk..
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[09:21] Nick change: Seejjay_ -> Seejjay
[09:22] <HixWork> craag, are you still at Uni? samples for a science project? I'm sure they'd be keen to help
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[09:23] <craag> HixWork: Just thinking that, found one with a scotland office.
[09:24] <HixWork> nice
[09:25] <HixWork> suppose scotland makes sense for that
[09:26] <craag> Well all the other distributors are in Denmark/Norway/Iceland.
[09:26] <craag> All the big commercial fishing places.
[09:26] <HixWork> hmm, I'm seeing a pattern there :)
[09:30] <craag> What would be the strain on this net at superpressure? at 100g of free lift. WOuld it just be 100g/surface area?
[09:30] <craag> Which is tiny..
[09:31] <x-f> Altitude: 6666 m
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[09:31] <Martin_G4FUI> Q. What has B-6 got in common with my mother-in-law? A. It goes on and on ... :)
[09:32] <HixWork> x-f, \m/
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[09:33] <Ugi> B-6! Is it held up by magic or what?
[09:33] <HixWork> elastictrickkery
[09:33] <x-f> a stable float, again
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[09:33] <PD4KDZ> Morning Yáll what is B-6's frequency ?
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[09:34] <Ugi> so I see - only at 6pm yesterday I was completely sure it was coming down
[09:34] <x-f> PD4KDZ, 434.500, it doesn't drift apparently
[09:34] <Ugi> Then it spent an age at 3km
[09:34] <chrisg7ogx> looked in on B6 at 1 am this morning and she was in snooze mode
[09:34] <PD4KDZ> oke thankz give it a try..
[09:34] <Ugi> now it's back nearer 7
[09:35] <fsphil> magic helium
[09:35] <x-f> woowoo (tm)
[09:35] <fsphil> Sporadic He
[09:36] <Babs_> Babs here - (I presume there is some anchor balloon discussion going on?) you can make the netting a lot lighter if you make it yourself from fishing line. The japanese make some that is virtually invisible to the naked eye 0.1mm which would be a lot lighter.
[09:39] <craag> Babs_: Some of the companies I've found will do that for you (machine). Making 7m2 yourself woudl be quite time consuming..
[09:39] <Babs_> craag - I made my own 15m of line for BABSHAB. Nothing can be that tedious ;-)
[09:40] <craag> oh right! What was that out of?
[09:41] <HixWork> Babs_, my initial thought was dyneema fishing line, but craag found some very light dyneema netting
[09:41] <Babs_> Hixwork - cool! what weight? and is the discussion gravity anchor? (I logged on just now)
[09:42] <HixWork> superpressure balloon cover to stop it bursting 5g/m^2
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[09:44] <Jess--> how does dyneema handle low temps?
[09:45] <chrisg7ogx> B6 weak here now
[09:45] <HixWork> Jess--, apparently it can stand "extremes"
[09:47] <HixWork> though I have no proper data to define this statement
[09:47] <Jess--> they also claimed that dyneema rope was better than normal rope when it's in constant use through pulleys (didn't stop the ride we used it on shredding it within a week)
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[09:48] <HixWork> My experience of it is in climbing, it performs well in scottish and alpine winter climbing so easily -20c
[09:49] <craag> Cool, well I've sent emails to the sellers of the 3 best-looking ones. There's one netting made in iceland that looks like it might be well under 5g/m2.
[09:50] <craag> Cost though.. not sure it ships cheaply. We'll see!
[09:50] <HixWork> I've also read about the fact thart you souldn't run sliding ropes through it as the friction causes it to melt. This could have been the issue you expereinced, possibly down to pulley material?
[09:50] <Jess--> this was the ride that shredded it http://www.flyinhigh.co.uk/b-big.jpg we went back to our old normal rope (the whole ride runs on climbing gear, 90% petzl)
[09:50] <Jess--> pulleys were "petzl fixe"
[09:51] <LeoBodnar> B-6 is a trolloon
[09:53] <Darkside> lol
[09:53] <Darkside> still bloody going
[09:53] <Jess--> it just doesn't fancy coming down in france
[09:54] <Darkside> yeah
[09:54] <Darkside> it starts descending then goes 'naaaaah screw that'
[09:54] <Jess--> or it's waiting for them to surrender
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[09:54] <Darkside> hha
[09:54] <HixWork> hmm, not really sure the fixe was designed for such constant loads and intensive use
[09:56] <Jess--> they are the only ones allowable on the ride, using anything else (even a similar pulley by a diff manufacturer) is an instant ADIPS failure
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[09:57] <Jess--> the loading is well within the pulleys limits, the only problem we had with those was that we used to get fine sand scouring the bearing material (blown off the beach) so we used to have to replace all the pulleys (12) every 3 months
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[10:02] <HixWork> wow really. I can see the sand causing issues.
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[10:02] <HixWork> but thought there would be alternatives available. sounds like a brown envelope job
[10:02] <Jess--> all it used to do was make the bearing looser and looser
[10:03] <Jess--> that whole ride system seems to run on brown envelopes
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[10:27] <Ugi> Pretty impressive bit of meandering by B-6 over the last few days: http://ugilabs.co.uk/Scrap/B-6.jpg
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[10:30] <LeoBodnar> B-6 battery dying very quickly now
[10:30] <Maxell> R.I.P. B-6
[10:30] <Maxell> you did well
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[10:32] <HixWork> LeoBodnar, I'd ask Energizer for a refund ;p
[10:34] <Ugi> I thought they held up fairly well to about 1.2v and then dropped like a stone from there.
[10:35] <craag> Yeah I'd say it's got another 6 hours in it at least.
[10:35] <craag> Although a lot depends on the accuracy of the ADC.
[10:35] <daveake> If it managed 9 hours it'll still be up when my flight is
[10:35] <LeoBodnar> I can see it going down through current 1.3v in a linear fashion while before they were staying flat. But I have not seen the increase in rate yet (d2V/dt2<0)
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[10:40] <cyclops> good morning!
[10:40] <Ugi> According to the datasheet, we would expect it to have about another 3 hours at 200mA - I suspect B-6 is drawing closer to 50mA so 9 hours is quite realistic
[10:41] <HixWork> hi cyclops
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[10:41] <LeoBodnar> You are measuring voltage under load with unknown increase in internal resistance so very difficult to predict
[10:42] <cyclops> Yee my Funcube Dongle unit is ready to order :D
[10:42] <LeoBodnar> I mean Rinternal vs temperature = ?
[10:42] <Ugi> very much - datasheet is constant current and 21'C
[10:47] <Ugi> but capacity is not heavily affected by change in temperature at 200mA suggesting loss over Ri is not very different at noticable current
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[10:49] <Maxell> cyclops: cool, got a hold of the antenna already?
[10:49] <LeoBodnar> We'll just sit and wait instead :)
[10:49] <cyclops> Maxell ill use this antenna http://www.astroradio.com/113211.html
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[10:55] <cyclops> Order placed :D
[10:56] <cyclops> Upu i only need your tracker and ill be ready to launch :)
[10:56] <UpuWork> yeah yeah :)
[10:56] <UpuWork> when I get a moment to solder it up
[10:56] <UpuWork> tommorrow probablyu
[10:57] <UpuWork> I just reaslised I don't have any of the boost convertors so I'm going to have reclaim one from another PCB
[10:57] <cyclops> Meanwhyle Ill be writting the project "memory"
[10:57] <cyclops> You'll get credit
[10:57] <UpuWork> firmware
[10:57] <cyclops> :P
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[11:02] <cyclops> no problem upu
[11:02] <cyclops> Ill be here waiting
[11:08] <cyclops> test
[11:12] <costyn> very impressive flight by b-6
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[11:17] <cyclops> The funcube will be the main
[11:17] <cyclops> Guys any Cheap USB receiver to use as a secondary tracker?
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[11:19] <HixWork> cyclops, http://goo.gl/v4VFo with http://goo.gl/Bi3v7
[11:20] <cyclops> Nice!
[11:20] <cyclops> thanks
[11:20] <mfa298> HixWork: that dongle appears to have a belling lee so the cable isn't compatible
[11:20] <craag> HixWork: Just got a quote back on netting. 200 quid + vat for 33.5 meters of it..
[11:20] <Laurenceb> this is madness
[11:21] <Laurenceb> B6 has been flying since forever
[11:21] <craag> That's their minimum order.
[11:21] <SpeedEvil> How wide is that?
[11:21] <mfa298> cyclops: you're looking for something with the RTL2832U chipset with E4000 tuner, or R820T tuner and then suitable adapters/pigtails to connect to the antenna.
[11:22] <HixWork> sorry mfa298 my bad, that lead was for the other one i bought. th elinked one is a simple hack like this http://i.imgur.com/WpZEFYJ.jpg
[11:22] <cyclops> Ill have to look for it
[11:22] <SpeedEvil> craag: I note that I have some garden netting that's about 50g/m^3, with an estimated 1000n/m^2 or so burst
[11:22] <HixWork> cyclops, ^^ jpg link
[11:22] <cyclops> so i have to solder
[11:22] <cyclops> the connector
[11:22] <HixWork> its simple, i didn't bork it
[11:22] <craag> Hang on... this is 200 quid for 40kg of netting..
[11:23] <SpeedEvil> craag: 1kg/m?
[11:23] <SpeedEvil> That's bloody heavy, unless it's 40m wide
[11:23] <HixWork> 5g/m^2
[11:23] <craag> '1025 ML X 33.5 MD x 106MM FDM' < what do you reckon that means?
[11:23] <HixWork> craag, they wouldn't go sample for science route?
[11:23] <cyclops> and the piece i have to solder is a simple connector?
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[11:23] <costyn> HixWork: whats the netting for?
[11:24] <HixWork> cyclops, simple SMA end launch, Upu shop sells
[11:24] <craag> HixWork: It seems not, they do say it's a 'reduced price'
[11:24] <HixWork> go for the long one
[11:24] <SpeedEvil> craag: is this targeted at fishermen?
[11:24] <cyclops> And only solder the 2 pins
[11:24] <craag> Don't have 200 quid to spend on it unfortunately.
[11:24] <Laurenceb> 26 84.00 hours Project Blue Horizon 1969-12-31 PBH-18 Project Blue Horizon
[11:24] <HixWork> 1025m length x 35m width?
[11:24] <craag> SpeedEvil: Yeah
[11:24] <Laurenceb> damn
[11:24] <mfa298> cyclops: you can get adapters / pigtails although if it's got the belling lee connector (like the dongle Hix linked) changing it to an sma might be better
[11:24] <SpeedEvil> craag: I think that is in fact a kilometer long
[11:24] <craag> HixWork: I think it might be!
[11:24] <Laurenceb> some time to go to take word record
[11:25] <SpeedEvil> craag: 10cm may be a bit too large to constrain balloons.
[11:25] <mikestir-work> cyclops: https://www.cosycave.co.uk/product.php?id_product=288
[11:25] <Laurenceb> LeoBodnar: currently you are world number 2 for amateur duration :P
[11:25] <costyn> Laurenceb: are they past 84 hours?
[11:25] <mfa298> cyclops: alternativly look for one with the MCX connector and get a short cable like the one Hix linked (that's the sort of method I've used with them)
[11:25] <HixWork> costyn, people were discussing a csing for a superpressure balloon I suggested dyneema netting
[11:25] <costyn> HixWork: ah :)
[11:25] <craag> Yeah basically putting a hwoyee 100g in a net to restrict it to 1.5m diameter.
[11:26] <Laurenceb> costyn: currently ~64hours
[11:26] <HixWork> mfa298 the one i got from there with the MCX conncetor is pants, the one I've soldered the SMA to is very very good
[11:26] <costyn> how much is the net going to weigh?
[11:26] <cyclops> the one mikestir-work posted would work wouldnt it?
[11:26] <Laurenceb> doubt betteries will last another 20hours
[11:26] <costyn> Laurenceb: ok, so it won't be broken because the batteries won't last I guess
[11:26] <Laurenceb> yeah :(
[11:26] <Laurenceb> CNSP record is broken tho
[11:27] <craag> costyn: That's what we're trying to find out, looks like about 5g/m2, for 1.5m balloon I need 7m2 (+more because it won't be spherical)
[11:27] <Laurenceb> UK has most of the balloon records XD
[11:27] <HixWork> cyclops, no. That one is sh^t. I bought both
[11:27] <mikestir-work> HixWork: do they have the same tuner? I've got several of those R820T based ones and they seem to work pretty well
[11:27] <craag> SO about 50-60g of netting possibly.. If I can get less than a km of it!
[11:27] <mikestir-work> better than the E4000 version
[11:28] <HixWork> mikestir-work, that one you linked to I have on my desk. It is limited to R4 and airband imho
[11:28] <cyclops> well ill tell UPU to include the connector with my Habduino
[11:28] <cyclops> and solder it
[11:28] <HixWork> yes, best route
[11:28] <cyclops> then the antenna computer and ready to go
[11:28] <cyclops> backup system ready
[11:28] <HixWork> yup
[11:29] <mfa298> cyclops: Hix: the most recent one I've bought is "SPC-0155" from ebay which has the MCX socket and R820T and does a decent job (similar to my original E4000)
[11:29] <mfa298> although that looks very similar to your E4000 one on cosycave
[11:29] <SpeedEvil> craag: You're just being lazy. It's only 4000 knots or so.
[11:30] <craag> SpeedEvil: :P
[11:30] <HixWork> cyclops, here is the dongle naked. what i dis was unsolder the three points to remove the existing connector, then with a scalpel, reveal some groundplane where the SMA will go and solder to that. You can epoxy also as mechanical backup if you wish
[11:31] <Laurenceb> 65hours flight time on B6 now :P
[11:31] <HixWork> Babs_, did mention somewhere he found that would knit nets. so could be done with dyneema fishing line
[11:31] <Laurenceb> so if it can last another 19hours...
[11:31] <Laurenceb> doesnt look like battery will last tho :(
[11:31] <SpeedEvil> Is B6 on an AA?
[11:31] <Laurenceb> yes
[11:31] <craag> HixWork: M is not meters, it's meshes..
[11:31] <HixWork> Time: 2013-07-15 01:08:11
[11:31] <HixWork> Battery: 1.43 V
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[11:32] <HixWork> it could possible last Laurenceb
[11:32] <Laurenceb> that was 2 days ago
[11:32] <cyclops> Seems easy HixWork thenks for the help!
[11:32] <SpeedEvil> craag: so 102*3.5m?
[11:32] <HixWork> nps cyclops
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[11:32] <craag> SpeedEvil: Yep, about 90g/square meter - too heavy
[11:33] <HixWork> craag, meshes? how many stirks in a mesh?
[11:33] <craag> It's trawling net as ooposed to bird net.
[11:33] <SpeedEvil> craag: gonna need a bigger balloon.
[11:33] <HixWork> I thought they had the covering stuff
[11:33] <HixWork> trolling net
[11:33] <HixWork> :)
[11:34] <HixWork> Laurenceb, thats my point - now at 1.32 so dropped .11V since 15/07 01:08
[11:34] <x-f> B-6 altitude, battery and temperature since 00Z today - http://i.imgur.com/LQszuM9.png
[11:34] <HixWork> cliff is 1.2V correct?
[11:34] <Laurenceb> i see
[11:35] <Laurenceb> depends on current and stuff
[11:35] <Laurenceb> and temperature, its complex :S
[11:35] <Lunar_LanderU> yeah
[11:35] <HixWork> it could last, yesterday afternoon everyone has it as dead and down
[11:36] <Lunar_LanderU> that is what I had on my ascent as well, on the descent, the box cooled to -20°C, but then warmed again
[11:36] <Lunar_LanderU> and you could see a slight bend in the voltage plot
[11:36] <chrisg7ogx> B6 S/n -12dB
[11:36] <Laurenceb> http://data.energizer.com/PDFs/l91.pdf
[11:36] <chrisg7ogx> B6 snoozed last night leobodnar
[11:37] <Laurenceb> oh
[11:37] <Laurenceb> its very cold, missed that
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[11:38] <Laurenceb> yeah i estimate ~17hours based on temperature drift
[11:38] <Laurenceb> but it will go into low power mode overnight
[11:38] <Laurenceb> so might just make 19hours
[11:38] <HixWork> here's hoping
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[11:38] <Laurenceb> so battery voltage is mainly low atm as its cold
[11:39] <chrisg7ogx> yes abt 1 am uk time came in here and zzz breaks
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[11:39] <HixWork> Laurenceb, 07:53 4C 1.36V
[11:39] <HixWork> today
[11:39] <Laurenceb> higher temp -> higher voltage
[11:40] <Laurenceb> i think the current voltage equivalent at 25C is 1.4v
[11:40] <Laurenceb> based on datasheet that gives it ~19hours
[11:40] <HixWork> 1C gave it 1.34V 4 hours ago
[11:41] <HixWork> I'm using a combo of history and gut feeling [with some added hope] and think it'll crack it
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[11:43] <SpeedEvil> What happened yesterday - rain?
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[11:43] <craag> SpeedEvil: We think so.
[11:44] <SpeedEvil> I was thinking leak - but then it went back up today
[11:44] <HixWork> bloody high rain at that :)
[11:46] <HixWork> if it could drop ~500m the battery woulld jump a wee bit
[11:46] <mfa298> for next time maybe the timings in night mode should be based on flight length (or even have some of night mode during day mode)
[11:47] <chrisg7ogx> i think night mode should be considered for the whole flight
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[11:47] <mfa298> I did find it harder trying to tune in during flight mode the other day although I've never had a good signal from this one.
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[11:48] <mfa298> maybe having the transmissions based on gps time would help as well (so starts when minutes == 00, 10, 20, 30, 40, 50 or similar)
[11:49] <mfa298> at least you then know when to look at the waterfall
[11:50] <mattbrejza> i dont think thats necessary for a txco :P
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[11:52] <mfa298> the problem I had was finding the signal, once you've got it you just leave it running and timing doesn't matter.
[11:54] <mattbrejza> i suppose it could beep every min
[11:56] <SpeedEvil> PWM the beep with altitude
[11:56] <SpeedEvil> Oh - I was assuming a baro
[11:57] <Laurenceb> its a gps locked pll
[11:57] <Laurenceb> so it tends to keep tune :P
[11:57] <Laurenceb> for next flight: stm32f4 with camera interface, then SSDV over dominoex-16
[11:58] <mattbrejza> while someone does the stm32 w/ camera bit, someone else can make a more bandwdith version of domex
[12:00] <Babs_> This would be interesting - not from a constant tracking point of view but more a "lets see how far we can get point of view" - just get a text when it lands
[12:00] <Babs_> http://www.amazon.co.uk/gp/product/B00765DH98/ref=pe_186441_38028091_email_1p_12_ti#productDetails
[12:00] <Babs_> I've never seen a 60 day one before (thats not being said that you couldnt hack the tk102 to power it for that long)
[12:01] <daveake> Yes hack the battery in the cheaper one :)
[12:02] <fsphil> ssdv over dom-16 would be .. painful
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[12:03] <Babs_> daveake - set one up with a mahusive battery, make it floatable
[12:04] <Babs_> floatable in the water sense
[12:04] <daveake> :)
[12:04] <Babs_> I hope LeoBodnar isnt trolling us btw
[12:04] <daveake> A RockBlock would be a better option for flights that might go anywhere
[12:04] <daveake> lol
[12:04] <Babs_> sitting at home, inputting gps co-ordinates and transmitting them at will
[12:05] <fsphil> that would make will angry
[12:05] <fsphil> er
[12:05] <daveake> "<evil-face> They'll never expect THIS ..."
[12:05] <Babs_> we've definitely got the first stages of a "t" forming over france
[12:05] <Babs_> Is their a HAB record for most epic troll?
[12:05] <Laurenceb> its 2nd place for duration atm...
[12:05] <Babs_> *there
[12:06] <F5mvo> Hello all , B-6 went through here, it will switch the hi , incredible !
[12:07] <UpuWork> impressive isn't it F5mvo ? :)
[12:07] <fsphil> voodoo
[12:07] <F5mvo> yes !!!!
[12:07] <UpuWork> go see if you can see it with binoculars
[12:07] <Laurenceb> http://uk.rs-online.com/web/p/image-sensors/7141492/
[12:08] <Laurenceb> stick that on with an stm32 on the next one
[12:08] <Laurenceb> then SSDV over dominoex XD
[12:08] <F5mvo> 25 kms from home
[12:08] <fsphil> ascii-art
[12:08] <UpuWork> if the sun catches it F5mvo I bet you can see it*
[12:08] <UpuWork> *if its clear
[12:09] <Laurenceb> coming up to 66hours
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[12:11] <F5mvo> when it is closer I would take my binoculars
[12:11] <UpuWork> ok
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[12:11] <fsphil> a moisture sensor would be useful on these flights
[12:13] <Babs_> daveake - never seen that RockBlock before. I've seen a Spot hacked before, but this seems far better and more flexible
[12:13] <F5mvo> I also have a fishing rod, but too short hi !
[12:13] <UpuWork> lol
[12:14] <Babs_> eroomde is shortly going to become too famous for this channel http://www.bbc.co.uk/news/science-environment-23332592
[12:14] <F5mvo> 66 hours up ?
[12:14] <daveake> Babs_ Yes I had an early model and there was a power-related issue but I assume that's sorted now.
[12:14] <fsphil> at this point we should probably be counting in days
[12:14] <daveake> lol
[12:15] <Babs_> is it big daveake? (the RockBlock)
[12:15] <Laurenceb> i dont see eroomde there
[12:15] <Laurenceb> ive met the guy on the right.. but i can't remeber his name
[12:15] Action: Laurenceb fails at names
[12:16] <daveake> About 80x50x18mm
[12:16] <Laurenceb> " jet-cum-rocket "
[12:16] <Laurenceb> ive got one of those
[12:16] <Babs_> he will enjoy the fact that the picture halfway down describes all the complex cooling technology they have developed as a "trick"
[12:17] <Babs_> ahh daveake, so Spot sized ish. I'm going to resist buying one. For now.
[12:17] <daveake> :)
[12:17] <Babs_> WAIT A MINUTE
[12:17] <Babs_> you can send data to it to?
[12:18] <Babs_> Doesn't that open up a whole new world of possibilities?
[12:18] <LeoBodnar> Sat outside in the blazing sun listening to big bumble bees going around the track.
[12:19] <daveake> Babs_ Yes :)
[12:19] <fsphil> Babs_: yea that's the fun bit
[12:19] <daveake> I have code for sending from it (which I flew back on that flight for The Register last year).
[12:20] <Babs_> Interesting. Did you send anything to it? I presume a remote cutdown would be doable?
[12:21] <Babs_> V Handy for if someone underfills and they are warned that the payload is going to dump in the Irish sea
[12:21] <Babs_> and to be honest, it would all be noise in terms of extra weight anyway
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[12:23] <daveake> Babs_ No I didbnn't do the code for it to accept commands from the ground.
[12:25] <Laurenceb> LeoBodnar: if you put an stm32 on there you could add a cmos imager
[12:25] <Laurenceb> does the SSDV code expect a jpeg atm?
[12:25] <daveake> yes
[12:25] <Laurenceb> annoying
[12:25] <daveake> speak to fsphil see what he can do for you :)
[12:25] <Laurenceb> cmos image + stm32 camera interface produces a bitmap
[12:25] <Laurenceb> just jpeg lib can be ported to stm32
[12:26] <Babs_> I think the messages are just sent via a http site, and then it would presumably be just a case of checking whether something was detected through some serial input port. Its potentially a nice idea.
[12:26] <fsphil> Laurenceb: yes, but all it needs extra to do raw is the MDCT
[12:26] <LeoBodnar> I know, with solar panel on top. Good idea but what if it reaches into North Korea over S. Korea's border?
[12:26] <daveake> Babs_, Yeah IIRC you have to ask if it has a message, and then if so you ask what the message(s) contain
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[12:27] <Babs_> cool. thanks. still resisting buying.
[12:28] <Laurenceb> http://uk.rs-online.com/web/p/image-sensors/7141492/
[12:28] <LeoBodnar> I have one of them here
[12:28] <Laurenceb> one of what?
[12:29] <Laurenceb> the imagers?
[12:29] <LeoBodnar> This >>> http://uk.farnell.com/jsp/search/productdetail.jsp?CMP=i-ddd7-00001003&sku=1695390
[12:29] <Babs_> https://rockblock.rock7mobile.com/wp-content/uploads/2013/04/RockBLOCK-Product-Information-Sheet.pdf - 100maH.
[12:29] <Babs_> Sorry 500maH
[12:29] <Laurenceb> nice
[12:29] <Babs_> "We're gonna need a bigger battery Jim"
[12:30] <Laurenceb> LeoBodnar: where can you buy lens assemblies?
[12:33] <LeoBodnar> Destroy a pefectly good Cannon or Nikon
[12:33] <daveake> Babs_, The idle current is very low - it just uses a lot during a "session" when it does the send/receive of any messages. That's just a few seconds at a time
[12:33] <LeoBodnar> Canon
[12:33] <Laurenceb> x-f: how did you draw that graph?
[12:33] <Laurenceb> looks l9ike the habhub site?
[12:33] <Laurenceb> wheres the data graph page?
[12:34] <Ugi> Do you guys have any advice on how to convert a series of jpeg stills to a movie?
[12:34] <Babs_> ahh, ok. This looks as if it is referencing the issue you found daveake https://rockblock.rock7mobile.com/?p=408
[12:34] <LeoBodnar> http://x-f.lv/dev/habitat-graphs/payload/2d028a45cca5ee334e756b3523d56cbb Laurenceb
[12:34] <Babs_> sadly the link is broken
[12:34] <Babs_> so is entirely useless
[12:34] <Laurenceb> ah
[12:34] <staylo_> Ugi: virtualdub
[12:35] <Ugi> thanks staylo_ - I'll check it out
[12:35] <staylo_> Also awesome for scanning through said jpeg stills for items of interest.
[12:35] <Alchamist> Ugi: If you have linux, mencoder can do that as well
[12:35] <Laurenceb> some sort of weird timezone on the bottom axis?
[12:37] <x-f> Laurenceb, javascript issue with date in UTC, haven't found a way to fix it yet
[12:37] <Laurenceb> its spot on 66hours now
[12:37] <Laurenceb> ah
[12:38] <PE2G> About B-6's descent yesterday
[12:38] <PE2G> The descent started at around 10UTC
[12:38] <PE2G> At bout that time, METAR Paris / Charles De Gaulle (LFPG) gave "Broken at FL260" (~7900 m)
[12:38] <PE2G> METAR LFPG 161030Z 01006KT 300V050 9999 FEW043 BKN260 25/14 Q1023 NOSIG
[12:38] <PE2G> Couldn't find cloud altitudes closer to B-6.
[12:38] <PE2G> The balloon souding by Trappes (Paris) at 12UTc showed 92% Rel. hum. at 6609 m
[12:39] <PE2G> http://weather.uwyo.edu/cgi-bin/sounding?region=europe&TYPE=TEXT%3ALIST&YEAR=2013&MONTH=07&FROM=1612&TO=1612&STNM=07145
[12:39] <PE2G> There was cloud present in Northern France at the approx altitude B-6 had reached
[12:40] <Laurenceb> there is some cloud around there at the moment, and its losing some altitude now
[12:40] <Willdude123> join #beaglebone
[12:40] <Willdude123> Lol
[12:40] Nick change: Willdude123 -> WILLschool
[12:41] <Laurenceb> http://www.weatheronline.co.uk/weather/maps/forecastmaps?LANG=en&UP=0&R=0&MORE=1&DAY=1&MAPS=over&CONT=euro&LAND=FR&TOFD=tag
[12:41] <gonzo___> can anyone remember what the max height is for a captive balloon before you need a notam?
[12:41] <Jess--> oh joy.... 1 head gasket blown on a V8 and of course it's the side that isn't accessible without stripping all the ancillaries
[12:41] <Laurenceb> thunder tomorrow
[12:41] <mattbrejza> 60m i think gonzo___
[12:42] <gonzo___> ta. saw one on the way to work, but didn't see a notam. Could be within 60mtrs
[12:42] <mattbrejza> it wasnt that big met office thig
[12:42] <mattbrejza> near bedford?
[12:43] <Jess--> does it not come under same rules as kites and RC planes (for small tethered balloons) 400m
[12:44] <mattbrejza> there is something about 60m, cant remember exactly what it is
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[12:46] <staylo_> 400m sounds implausibly high.
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[12:47] <Seejjay> Kites are 60m without NOTAM.
[12:48] <WILLschool> Hi people.
[12:48] <Jess--> so what is limited to 400m?
[12:48] <WILLschool> School is broing.
[12:48] <WILLschool> *boring
[12:49] Action: Jess-- is off to read the ANO
[12:49] <WILLschool> People think I'm hacking lol
[12:49] <fsphil> WILLschool: Access Denied
[12:49] <WILLschool> Just cause it's a black screen avec le text white.
[12:50] <WILLschool> So I just set it to black on white.
[12:50] <WILLschool> Or I type hackmod -c "schoolwebserver"
[12:50] <Laurenceb> WILLschool: www.youtube.com/watch?v=O2rGTXHvPCQ
[12:50] <WILLschool> And people don't typically understand the meanining of command not found.
[12:51] <WILLschool> Laurenceb: No youtube here.
[12:51] <Seejjay> Oh, and Kites are 30m within Aerodrome Traffic Zone, (but we try not to fly in them!)
[12:52] <WILLschool> How can I get onto it?
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[12:54] <rharrison_> OMG B-6 is still up!
[12:55] <WILLschool> Right. I need to start thinking about the checksum.
[12:55] <fsphil> rharrison_: yea, starting to think LeoBodnar is into dark magic
[12:55] <WILLschool> I have the python library, but no clue how I need to calc the checksum, the examples don't work the way I need them to.
[12:56] <rharrison_> Did I see that there are some solar pannels onthis too?
[12:56] <WILLschool> RIght, so how sdoes CRC_16 work?
[12:56] <WILLschool> In other words, how do I use it.
[12:56] <fsphil> I don't believe this one has solar
[12:56] <fsphil> the last one did, but it fell off
[12:57] <WILLschool> I'm using this https://pypi.python.org/pypi/crc16/0.1.0
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[12:58] <fsphil> the examples are exactly what you want
[12:58] <WILLschool> I think crc16.crc16xmodem is what I want to do.
[12:58] <WILLschool> But not sure what it does, so I won't use it yet.
[12:59] <WILLschool> Wait, I think I tried it yesterday and it didn't work.
[13:00] <WILLschool> I did like str(hex((crc16.crc16xmodem('123456789'))))[2:)
[13:00] <WILLschool> *[2:]
[13:01] <fsphil> start simpler
[13:01] <F5mvo> B-6 seam to down ?
[13:01] <craag> Hmm, I'm willing to bet this is burst.
[13:01] <WILLschool> fsphil: Like?
[13:02] <Laurenceb> F5mvo: not sure
[13:02] <fsphil> I said that last time, not gonna speak this time :)
[13:02] <Laurenceb> it was doing this yesterday
[13:02] <Laurenceb> i think it needs a 1gram mass that can be cut down
[13:02] <Laurenceb> to improve the stability after a few days of flight
[13:03] <F5mvo> yes, but much negative rate, wait and see
[13:03] <Laurenceb> id have only expected burst at a higher altitude
[13:03] <WILLschool> fsphil: I don't recall you mentioning where to start.
[13:03] <fsphil> it might have moved into another cloud
[13:03] <Laurenceb> theres some there on satellite
[13:04] <WILLschool> Actually, I'll look at the C code on the wiki.
[13:04] <WILLschool> But it still is <omit word confusing>
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[13:05] <fsphil> not really. put string in, get crc out
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[13:10] <F5mvo> for me to begin the descent
[13:11] <LeoBodnar> For me it will stop now!
[13:12] <LeoBodnar> FL 5000m
[13:12] <fsphil> pull up, pull up!
[13:13] <HixWork> Isnt the 400m tethered balloon or UAVs?
[13:13] <Babs_> What was that fsphil? http://www.youtube.com/watch?v=EkMZGBtiq_k
[13:14] <fsphil> expensive way to trim trees
[13:16] <LeoBodnar> What is the weather is like now in Paris F5mvo ?
[13:16] <Laurenceb> LeoBodnar: you need a deployable ~2gram mass
[13:16] <Laurenceb> to release after a few days
[13:16] <PE2G> Paris Le Bourget reported Broken at FL180 (~5500 m) untill a few minutes ago. Now it's become NSC
[13:17] <x-f> NSC?
[13:17] <Laurenceb> no significant cloud
[13:17] <staylo_> Once it became NSW, those were some funny shaped clouds
[13:17] <staylo_> oh, NSFW, acronym fail
[13:18] <Jess--> I was wonder what new south wales had to do with clouds
[13:18] <F5mvo> sunny 30 degrées
[13:18] <Jess--> *wondering (my typing gets worse)
[13:19] <HixWork> ooh i just discovered é on UK keyboard thx F5mvo
[13:19] <F5mvo> I prepared my scoop has butterfly hi !
[13:19] <Laurenceb> 67hours flight coming up
[13:20] <Jess--> Ctrl alt E ?
[13:21] <HixWork> AltGr e
[13:21] <HixWork> LeoBodnar, http://en.allmetsat.com/metar-taf/france.php?icao=LFPG
[13:21] <F5mvo> it climb now
[13:21] <HixWork> just came down to warm the battery a bit for the evenings activities :)
[13:21] <LeoBodnar> è or é ?
[13:22] <HixWork> AltGr é
[13:22] <F5mvo> it was just a cold bull
[13:22] <LeoBodnar> Alt+` and then e (Mac)
[13:23] <LeoBodnar> sorry "Alt+e" and then "e" again = é
[13:23] <LeoBodnar> 30 degrées :)
[13:24] <HixWork> 30°C Alt0176 ;p
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[13:24] <LeoBodnar> Alt + 0 = º
[13:25] <LeoBodnar> From here to the  and beyond!
[13:25] <PE2G> Today's Trappes (Paris) 12Z sounding shows 75-87% Rel. hum. between 4250 and 7490 m
[13:25] <PE2G> http://weather.uwyo.edu/cgi-bin/sounding?region=europe&TYPE=TEXT%3ALIST&YEAR=2013&MONTH=07&FROM=1712&TO=1712&STNM=07145
[13:25] <Lunar_LanderU> xD
[13:27] <HixWork> ± Alt241
[13:27] <HixWork> µ Alt230
[13:27] <HixWork> ² Alt0178
[13:27] <HixWork> ³ Alt0179
[13:27] <HixWork> ‘ Alt24
[13:27] <HixWork> “ Alt25
[13:27] <HixWork> sorted out which work and which don't. Useful for HAB conv thought
[13:27] <HixWork> though
[13:27] <HixWork> :/
[13:27] <craag> HixWork: Just found v cheap 13g/m2 HDPE netting with 18mm mesh. Don't know how strong it needs to be though.
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[13:27] <LeoBodnar> F5mvo Your sense of humour I like!
[13:28] <eroomde> they say paris always lures you back
[13:29] <HixWork> craag, HDPE is dyneema, should be up to the job
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[13:29] <UpuWork> hey LeoBodnar http://i.imgur.com/xJ8hZyf.jpg
[13:29] <LeoBodnar> Croissants and Parisiennes
[13:30] <craag> HixWork: It's extruded, not fibrous.
[13:30] <LeoBodnar> Haha! Impostor! :) By the way B-6 uses the PCB you had a look at on Saturday.
[13:30] <UpuWork> so it was me touching it ?
[13:30] <eroomde> personally apart from the later i am not much of a fan of the city
[13:31] <craag> But for 4 quid for 20m2 I'll grab some and try it out :)
[13:31] <LeoBodnar> Yes, you put your magic into it. Or Dave
[13:31] <UpuWork> nah not Dave would have landed in a tree by now
[13:31] <LeoBodnar> Do you plan for AA as main source?
[13:32] <HixWork> craag, a lot of the fishing lines are monofilament, its still from HDPE
[13:32] <UpuWork> no AAA
[13:32] <HixWork> UpuWork, work busy then ;p
[13:32] <HixWork> nice board though
[13:32] <UpuWork> I've made a boo as I've put the GPS on a FET
[13:32] <eroomde> whoops
[13:32] <UpuWork> but forgot to wire the battery bakcup
[13:33] <HixWork> why the chip ant instead of the proven high tech 47.6 mm wire
[13:33] <eroomde> i think the gps works despite that wire :)
[13:33] <UpuWork> yeah that
[13:33] <Laurenceb> i had an idea...
[13:34] <Laurenceb> daughterboard with smd 10ohm resistors
[13:34] Action: eroomde ducks
[13:34] <LeoBodnar> Warmer?
[13:34] <LeoBodnar> Both sides of LiPO?
[13:34] <Laurenceb> and 1gram masses attached with pastics
[13:34] <Laurenceb> drop a 1gram mass every 2 days
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[13:35] <UpuWork> wax Laurenceb
[13:35] <UpuWork> ?
[13:35] <Laurenceb> maybe
[13:35] <Laurenceb> id worry about sun melting it
[13:35] <Laurenceb> id use epoxy
[13:35] <Laurenceb> Upu: but you used two crystals
[13:35] <UpuWork> AVR
[13:35] <Laurenceb> not epic tcxo ness
[13:35] <UpuWork> radio
[13:35] <UpuWork> radio is TCXO
[13:35] <Laurenceb> but can it be locked to gps?
[13:36] <Ugi> Who was saying B-6 was going down? Looks like it's bouncing again!
[13:36] <Laurenceb> been doing that for days now
[13:36] <eroomde> Ugi: look at the altitude tab
[13:36] <eroomde> it's been quite bipolar
[13:36] <HixWork> keep coming down to warm it's cockles
[13:36] <x-f> upanddownandupitgoesandwhenitstopsnobodyknows
[13:37] <Ugi> eroomde: yes, I have been watching it.
[13:37] <eroomde> it's sort of like a very loose nonlinear negative feedback
[13:37] <Laurenceb> i think its lost a little lift through He diffusion
[13:37] <Laurenceb> now clouds are effecting it
[13:37] <Laurenceb> hence the 1 gram drop masses
[13:37] <eroomde> it can hold a stable altitude, but a bit of disturbance can through it into something like a limit cycle or some chaos
[13:37] <Laurenceb> you could probably stick 4 on there i bet
[13:37] <eroomde> but then it can re-establish a nice float again
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[13:38] <Laurenceb> make the masses out of leaded solder so they are nice and compact
[13:38] <Laurenceb> tho... someone might get lead in their baguette
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[13:40] <Laurenceb> http://image.made-in-china.com/2f0j00GeBabqlwrOcP/SMD-Chip-Resistor-0603.jpg
[13:40] <Laurenceb> blob of epoxy onto the carbon covered face
[13:40] <Laurenceb> then fix mass to that
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[13:41] <Rob_M0DTS> congrats to B-6... impressive!
[13:41] <Laurenceb> how much can pic24 drive from io?
[13:42] <fsphil> hah, it's going back up
[13:42] <Laurenceb> ah, 20ma
[13:42] <Laurenceb> so youd need some FETs
[13:42] <Laurenceb> need about 300ma to get an 0603 to a few hundred C
[13:43] <Laurenceb> a AA or even a AAA lithium could do it
[13:43] <HixWork> UpuWork, have you got a really hi res image of that PAVA boar unpopulated?
[13:43] <HixWork> or a scan?
[13:43] <Laurenceb> HixWork: for scanning to gerber?
[13:43] <Laurenceb> copycat
[13:43] <UpuWork> not atm no Hix
[13:43] <craag> fsphil: I was wrong..
[13:43] <HixWork> no there's a batch code on there that pricked my eyes
[13:44] <craag> The balloon itself has got to be degrading by now though..
[13:44] <fsphil> I've given up predicting things :)
[13:44] <PE2G> I'll get my coat too :)
[13:44] <craag> Yeah, never going to be sure about any balloon behaviour again!
[13:45] <fsphil> so.. would it be easier to float in winter? with less sunlight
[13:45] <fsphil> and shorter days
[13:45] <WillDuckworth> nice board Upu (from earlier)
[13:45] <craag> Probably
[13:45] <LeoBodnar> eroomde: I found it behaving like a stock exchange index. Technical analysis nuts would have had a field day with it
[13:45] <UpuWork> ta
[13:45] <craag> I want to try some solar though.
[13:46] <HixWork> UpuWork, the S2H code is something that appeared on some peoples boards that had errors, check them carefully
[13:46] <craag> If this net idea works, I can hook a panel into the top of the net and run some thin wire down to the payload I think.
[13:46] <UpuWork> so you know the nature of the errors ?
[13:47] <Jess--> so far my prediction yesterday (around 4 pm) that it would turn around and head for paris has held up pretty well
[13:47] <HixWork> mine were purely geometric, though someone else had some more serious ones I am not party to
[13:47] <staylo_> Is there any substance that would evaporate slowly at high altitude with the sun heating it? (for ballast)
[13:47] <HixWork> blood?
[13:48] <SpeedEvil> It's probably easier to use a little pump or valve
[13:48] <Jess--> mercury (good luck with that one)
[13:49] <SpeedEvil> Mercury does not notably evaporate
[13:49] <staylo_> or just a water container with a slow leak, I guess
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[13:49] <Jess--> water balloon wit a pinprick
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[13:49] <HixWork> water at <0c hmm
[13:50] <Jess--> don't forget heated by the sun (so it only drips during daylight hours)
[13:50] <Jess--> black water balloon ;)
[13:50] <staylo_> doesn't the freezing point change with altitude too?
[13:51] <HixWork> boilinjg point lowers, not sure about freezing
[13:51] <SpeedEvil> Not notably.
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[13:52] <Laurenceb> LeoBodnar: you could use flexipcb to save mass
[13:52] <F5mvo> B-6 send that 21500 Seq !
[13:52] <Laurenceb> rf layout would be tricky
[13:53] <LeoBodnar> Haha does it go negative after 32K sentences?
[13:53] <HixWork> staylo_, "The freezing point of water goes up by only 1/100 of a degree per atmosphere of decrease in pressure.
[13:53] <HixWork> Read more: http://www.ehow.com/how_7863484_calculate-change-freezing-point-altitude.html#ixzz2ZJKkQsCw"
[13:53] <Laurenceb> http://imall.iteadstudio.com/open-pcb/pcb-prototyping/2layer-flexible-printed-circuits-fpc-5cm-x-5cm-max.html
[13:54] <HixWork> auto linking too, smart
[13:54] <Jess--> totally stupid idea coming up... use solar to split H2O (losing mass from the water in the process) and tap the hydrogen to the balloon.... biggest problem is that the balloon would have hydrogen in it when / if it landed
[13:55] <Laurenceb> lulwut
[13:55] <Laurenceb> just drop 1gram masses
[13:55] <staylo_> Ah, thanks :)
[13:55] <craag> Jess--: I think a couple of people looked into that
[13:56] <HixWork> iron filings, small nozzle and electrmagnet. turns off drops ballast, turn back on
[13:56] <craag> The end result was that the mass required didn't make it worth it
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[13:57] <Laurenceb> fail
[13:57] <Laurenceb> 1gram masses and 0603 resistors
[13:57] <Laurenceb> prob 4R7
[13:57] <Laurenceb> blob of epoxy and job is done
[13:58] <Laurenceb> adds milligrams of extra dead mass
[13:58] <HixWork> what cuts them down though
[13:58] <Laurenceb> current
[13:58] <Jess--> blowing the resistor up
[13:59] <HixWork> what heat melting the epoxy
[13:59] <Laurenceb> 300ma for ~ 3seconds
[13:59] <Laurenceb> yes
[13:59] <HixWork> energy intensive
[13:59] <Laurenceb> hardly
[13:59] <HixWork> adding batt weight
[13:59] <Laurenceb> nope
[13:59] <Laurenceb> use flight battery
[13:59] <HixWork> reducing lifespan
[13:59] <Laurenceb> its like 15seconds of ublox7
[13:59] <Laurenceb> infinitesimal
[13:59] <Jess--> that is assuming battery health
[13:59] <craag> *250 seconds of ublox 7
[14:00] <craag> Still quite small though
[14:00] <Laurenceb> yeah sorry
[14:00] <Laurenceb> missed a zero
[14:00] <craag> And assuming solar, wouldn't be an issue at all.
[14:00] <Laurenceb> and depends on your assumptions
[14:00] <Laurenceb> drop 1 every 2 days, or if you go <2km or something
[14:00] <Jess--> if battery is poor health then that 300ma burst could case the tracker / gps to reset (which would then mean an added increase in current while it re aquires)
[14:01] <Laurenceb> you could probably fit 4 on a flexi pcb structure around the base
[14:01] <Laurenceb> battery doesnt behave like that
[14:01] <Laurenceb> if you are on the cliff you are already doomed
[14:01] <Laurenceb> if not it wont kill it
[14:01] <Laurenceb> remember lithium has low esr
[14:03] <Jess--> true but that esr increases with lower temps (which is exactly the time you would be wanting to drop ballast)
[14:03] <HixWork> craag, you get any more info on the net?
[14:03] <Laurenceb> 4mm diameter, 8mm long solder based rods would work
[14:03] <F5mvo> B-6 cross CDG approach
[14:03] <HixWork> what range?
[14:03] <Laurenceb> Jess_: other way around - temperature rises with decreasing altitude
[14:05] <craag> HixWork: These: http://www.coastalnets.co.uk/bird_control_net.htm
[14:06] <F5mvo> B-6 cross OVER CDG approach
[14:06] <HixWork> craag, "Environmentally friendly as birds cannot get into the crop and therefore will not be caught within the net" heh, good attempt :)
[14:07] <craag> Yeah..
[14:07] <HixWork> looks like it'd work though. I can remember how strong marble netting was
[14:08] <F5mvo> AFR291 flying near at 6000 feet
[14:09] <HixWork> F5mvo, too high to bother CDG non?
[14:09] <HixWork> B5 @6000m
[14:09] <F5mvo> yes
[14:09] <Laurenceb> coming up to 68hours soon
[14:10] <Laurenceb> looks like it should at least make 70 hours
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[14:14] <costyn> wasn't the battery already expected to have died?
[14:14] <Laurenceb> yeah
[14:14] <Laurenceb> 53hours was calculated..
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[14:16] <x-f> the helium should have leaked out too..
[14:17] <UpuWork> the GPS is being turned off at night which is helping battery life
[14:17] <UpuWork> either that or MAX7's don't use any electricity and are powered by clouds
[14:17] <craag> lol
[14:18] <craag> What's the no1 record for duration atm?
[14:18] <HixWork> does reacquisition in the morning not monster the battery. or is it swift up there?
[14:18] <craag> Ah 84 hours.
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[14:19] <craag> 47ma acquisition current, and has battery backup so is quick.
[14:19] <HixWork> oh there's batt backup on there too?
[14:19] <craag> You probably only need to gps off for about 3-4 minutes to make it worth it.
[14:19] <UpuWork> no don't think so
[14:19] <UpuWork> the GPS isn't being turned entirely off
[14:19] <craag> Well I mean wiring the battery to the BCKP pin.
[14:19] <craag> ah ok
[14:19] <UpuWork> just software shutdown
[14:19] <HixWork> ahh ok
[14:19] <UpuWork> and warm started
[14:20] <craag> Yeah that's what I meant
[14:20] <craag> So maybe 5-10s acquisition?
[14:20] <UpuWork> something like that
[14:20] <HixWork> no issues then
[14:21] <craag> equal to the energy of about 1.5 minutes of gps running.
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[14:28] <ibanezmatt13> ping UpuWork
[14:30] <ibanezmatt13> I'm looking to get some leaded solder from CPC, but they have over 200 types and I'm not too sure which to get.
[14:30] <UpuWork> hey ibanezmatt13
[14:30] <ibanezmatt13> Hi Upu :)
[14:30] <ibanezmatt13> ^^
[14:31] <ibanezmatt13> http://cpc.farnell.com/jsp/search/browse.jsp?N=411+2005+212239&Ntk=gensearch&Ntt=leaded+solder&Ntx=mode+matchallpartial&getResults=true&No=0&appliedparametrics=true&locale=en_CC&divisionLocale=en_CC&catalogId=&skipManufacturer=false&skipParametricAttributeId=&prevNValues=411+2005+212239&mm=100000||,1002006||,1002454||,1002683||,1002738||,1002831||,1003484||,1003491||,&filtersHidden=false&appliedHidden=false&autoApply=false
[14:31] <ibanezmatt13> That was slightly longer than I thought :\
[14:31] <UpuWork> http://uk.farnell.com/multicomp/509-0519/solder-wire-60-40-0-5mm-250g/dp/5090519
[14:31] <UpuWork> should do
[14:32] <ibanezmatt13> Thanks
[14:32] <Laurenceb> ublox is much faster than that in my experience
[14:32] <Laurenceb> but it depends on shutdown mode
[14:32] <UpuWork> 0.3mm if you really want but for what you're doing 0.5mm should be fine
[14:32] <Laurenceb> on ublox5 i was shutting down with only rtc and ram backed up
[14:32] <UpuWork> http://uk.farnell.com/multicomp/507-1057/solder-wire-60-40-0-5mm-250g/dp/5071057
[14:32] <Laurenceb> and getting wakeup to lock in <1 second almost all the time
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[14:33] <ibanezmatt13> UpuWork: What does Hi Act mean?
[14:34] <UpuWork> n oidea
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[14:35] Nick change: [1]iain_g4sgx -> iain_g4sgx
[14:35] <ibanezmatt13> My Dad's going to Preston tomorrow so I thought we could collect some stuff from cpc. Reckon MULTICORE (SOLDER) - 3096525-M - SOLDER, 60/40 HI-ACT 0.5MM 250G would do the trick? It's the closest I can find
[14:37] <Lunar_LanderU> general question: how much could you trust a AVR/Arduino to have a servo rotate by a fixed angle back and forth and stand still in between over the course of a flight, i.e. temperature and duration?
[14:38] <eroomde> i don't think the avr would let you down
[14:38] <eroomde> i'd say the vast majority of the risk is mechanical
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[14:38] <eroomde> i.e. things freezing up
[14:39] <eroomde> however if you keep the servo moving then it should generate enough heat to run itself fine
[14:39] <eroomde> if you take the gearbox of one apart you'll see it's full of greese
[14:39] <eroomde> that freezing up is probably the biggest issue
[14:39] <eroomde> in the past i have disassembled the gearttrain and cleaned it in ipa
[14:39] <eroomde> then reallsembled it perhaps with some special low temp greese
[14:40] <eroomde> we use a grease called Krytox (from dupont) a lot
[14:40] <eroomde> because it's oxidiser save and good at low temps
[14:40] <Laurenceb> extropolating battery from datasheet, i get 7 more hours of life atm
[14:41] <Laurenceb> need about 14 to break the PBH record :S
[14:42] <eroomde> could be toight
[14:42] <SpeedEvil> Maybe it'll decide on an early night.
[14:42] <eroomde> especially given low temps
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[14:43] <Laurenceb> according ti ARHAB its currently number 2
[14:43] <Laurenceb> CNSP left in the dust ages ago
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[14:44] Action: craag is trying to work out whether he should head up towards Newbury this evening and try taking pictures of Dave's balloon in flight just after terrestrial sunset?
[14:44] <x-f> yes!
[14:44] <HixWork> is molybdenum grease safe for low temps
[14:45] <craag> x-f: You reckon that would work well?
[14:45] <Laurenceb> http://www.youtube.com/watch?feature=player_embedded&v=0bCpD0tx1iU
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[14:45] <Laurenceb> madness
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[14:47] <x-f> craag, you got great pics of the balloon in broad daylight, it should be even better after sunset, i'd give it a try
[14:47] <eroomde> komascript is the root of all evil
[14:47] <eroomde> isolated power supplies are cool
[14:47] <Laurenceb> the spacenear page doesnt show the last significant figure of battery voltage?
[14:47] <eroomde> lemo connectors are nice, so is rhode and scwharz stuff
[14:47] <eroomde> the atmosphere is wierd
[14:47] <SpeedEvil> Lunar_LanderU: big caveat. Check the clock is jitter free. Some modern AVRs have 1% or so jitter on their clock. This will keep a servo nice and toasty warm
[14:47] <craag> x-f: My thinking is that the sky will be darker, with the balloon brightly lit.
[14:48] <Laurenceb> <eroomde> <-words of wisdom
[14:48] <Lunar_LanderU> ok
[14:48] <eroomde> thanks
[14:48] <Lunar_LanderU> thanks eroomde and SpeedEvil
[14:48] <HixWork> craag, are you going to try and shoot through a scope?
[14:48] <eroomde> so i guess with the balloon having random michale bay moments, the following is happening
[14:48] <eroomde> we're benath the tropopause
[14:48] <eroomde> so higher = colder
[14:48] <Laurenceb> now help me find the thermal conductivity of this stuff
[14:48] <Laurenceb> http://www.stockwell.com/pages/silicone_sponge.php
[14:48] <craag> HixWork: Nah, just the 500mm telephoto I used on Sat.
[14:49] <HixWork> oh ok. got any pics from sat?
[14:49] <SpeedEvil> Laurenceb: Send me a sample, and I shall wrap myself in it to give you an answer.
[14:49] <craag> HixWork: https://www.thecraag.com/photos/index.php?album=lohan-hab-chase/
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[14:49] <eroomde> so notice there seems to be a slight uptick in altitude before the bit altitude drops
[14:50] <eroomde> i wonder if the balloon goes a bit too high, the internal gas then cools a degree or two, and then the corresponding drop in density causes it to fall
[14:50] <HixWork> craag, now iremember :D
[14:50] <Laurenceb> eroomde: that would be stable
[14:50] <eroomde> and because the gas is cool and it's dropping into hotter surroundings, it keeps on dropping still
[14:50] <Laurenceb> theres got to be dew or something
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[14:50] <Laurenceb> hmm
[14:50] <Ugi> Laurenceb: are you designing a reentry vehicle?
[14:50] <eroomde> i'm not sure it would be linearly stable
[14:50] <Laurenceb> Ugi: no
[14:50] <Laurenceb> unfortunatly not
[14:50] <eroomde> i mean it's stable at the moment
[14:51] <eroomde> in that it always recorvers
[14:51] <eroomde> just not in a linear way
[14:51] <Laurenceb> just medical sensors - work stuff
[14:51] <HixWork> Laurenceb, fart-proof cushion?
[14:51] <Ugi> looks like you have the right materials anyway!
[14:51] <Laurenceb> lolwut
[14:51] <eroomde> it seems to be metastable - it will hold an alt nicely
[14:51] <eroomde> but if some disturbance it might suddenly start dropping
[14:51] <Laurenceb> Ugi: yeah that stuff is insane
[14:51] <Laurenceb> i mean its glowing white hot
[14:51] <Laurenceb> wtf
[14:51] <eroomde> and take an hour or two for the internal gasses to heat but up, stop the decent, and begin climbing again
[14:52] <Laurenceb> eroomde: i think it might be part of the problem
[14:52] <Laurenceb> but its probably lost a little buoyancy
[14:52] <Laurenceb> hence my idea for the drop masses
[14:52] <eroomde> yes but not much - as the float alts when it reaches the nice stable points are sort of all the same
[14:52] <Laurenceb> true
[14:52] <eroomde> 6.7kmish
[14:53] <eroomde> it just seems it is only marginally stable as a system
[14:53] <Laurenceb> but for the first few days it flew fine
[14:53] <eroomde> if it goes up a bit too quickly, it suddenly runs out of steam and plummets
[14:54] <eroomde> sure but look at what happened just before the first drop
[14:54] <Laurenceb> yeah
[14:54] <Laurenceb> simcode tiem
[14:54] <eroomde> it ticked up a bit - maybe that is due to mass lowering from helium escpaing
[14:54] <eroomde> maybe the su n was just hotter
[14:54] <ibanezmatt13> Anybody know any good desoldering braid which would work with leaded solder?
[14:55] <eroomde> any desoldering braid
[14:55] <nigelvh> Pretty much
[14:55] <eroomde> it will work better with leaded probably
[14:55] <nigelvh> I use the stuff Sparkfun has.
[14:55] <eroomde> because leaded is better in every way
[14:55] <ibanezmatt13> So there is no partiuclar size?
[14:55] <nigelvh> Seems to work fine.
[14:55] <eroomde> there are sizes
[14:55] <nigelvh> Just depends on how much you need to soak up.
[14:55] <eroomde> but that depends on the fineness of the work you're doing
[14:56] <ibanezmatt13> not very fine
[14:56] <ibanezmatt13> 1.5mm>
[14:56] <ibanezmatt13> ?
[14:56] <HixWork> 2mm braid then
[14:56] <nigelvh> Yep
[14:56] <eroomde> eg if you're trying to desolder like a 0.1" header, that's different to a 0.4mm tqfp chip
[14:56] <nigelvh> Pretty common stuff.
[14:56] <ibanezmatt13> ok, thanks
[14:56] <nigelvh> Here's what I use: https://www.sparkfun.com/products/8775
[14:57] <nigelvh> Though they're US based so that is less awesome for you guys.
[14:57] <HixWork> they have UK stockists nigelvh
[14:57] <nigelvh> Yes, but not all their dists carry everything.
[14:57] <eroomde> ibanezmatt13: get a fanrell account
[14:57] <eroomde> all of your wildest dreams will come true
[14:57] <eroomde> or rather, free next day delivery on everything
[14:57] <ibanezmatt13> I'm on Farnell's website, so many choices...
[14:58] <eroomde> and their stock is 10000000x bigger than sparkfun's
[14:58] <nigelvh> Yes.
[14:58] <HixWork> ibanezmatt13, http://goo.gl/LLYqw stuff nigelvh linked to
[14:58] <nigelvh> I use digikey for parts, and sparkfun for having used and vetted everything.
[14:59] <ibanezmatt13> thank you
[15:00] <HixWork> eroomde, when you say account, are there differing levels? I have min £20 order value
[15:00] <eroomde> get a flux pen too ibanezmatt13
[15:00] <eroomde> if you don't have one already
[15:00] <Laurenceb> paris harassed by pervert balloon
[15:00] <nigelvh> Yes
[15:00] <ibanezmatt13> yeah will do
[15:00] <eroomde> just run it over the braid before use
[15:00] <nigelvh> Flux pens help
[15:00] <eroomde> HixWork: unsure
[15:00] <eroomde> but spending £20 is not too hard :)
[15:01] <HixWork> Darkside, doesn't rate the pens, he swears by liquid flux and needle dispensation
[15:01] <eroomde> yes
[15:01] <eroomde> but he is confused
[15:01] <Darkside> >_>
[15:01] <eroomde> so you don't have to take any notice
[15:01] <HixWork> eroomde, commonly i just want a few smd bits
[15:01] <Darkside> <_<
[15:01] <Darkside> i am not confused!
[15:01] <eroomde> :p
[15:01] <Darkside> i think
[15:01] <Darkside> maybe
[15:01] <Darkside> wait
[15:01] <HixWork> are you sure Darkside
[15:01] <Darkside> nope
[15:01] <Darkside> its 00:30
[15:01] <Darkside> i should have been in bed 2 hours ago
[15:02] <HixWork> congratulations, you have passed politician entry phase 1
[15:02] <Lunar_LanderU> how can it be 0:30 when it is 2 minutes past the hour?
[15:02] <eroomde> i'm sure needle dispensive is fine too
[15:02] <Darkside> 00:32
[15:02] <Darkside> whatever
[15:02] <Lunar_LanderU> no wait
[15:02] <Darkside> Lunar_LanderU: im rounding to the nearest 15 min
[15:02] <Darkside> shish
[15:02] <eroomde> Lunar_LanderU: timezones are not all on the same hour
[15:02] <Lunar_LanderU> do you have a half hour offset?
[15:02] <HixWork> german timekeeping ;p
[15:02] <Lunar_LanderU> ah
[15:02] <Darkside> Lunar_LanderU: australia mate
[15:03] <eroomde> they do it really stupidly in australia
[15:03] <nigelvh> Yep, some guys are weird and have smaller increments for their time zones.
[15:03] <Lunar_LanderU> like +9.5 h
[15:03] <HixWork> kathmadhu is the strangest one
[15:03] <eroomde> darwin is 1hr 30 ahead of perth
[15:03] <HixWork> ~+8.45
[15:03] <eroomde> basically they're still using sundials
[15:03] <Darkside> eroomde: well perth is really far away
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[15:03] <Darkside> like, really really far away
[15:03] <Darkside> it could be a different country
[15:03] <Darkside> we'd only notice when the mining tax income stops rolling in
[15:04] <fsphil> oh it's floating again
[15:04] <x-f> fsphil, a little more excitement, please? :)
[15:05] <fsphil> It's FLoating Again! Wow, !XD!!1
[15:05] <Laurenceb> its got a little boring after all this time
[15:05] <Laurenceb> need timewarp hab
[15:05] <craag> do a barrel roll!
[15:05] <fsphil> this has become the HAB version of "Are we there yet?"
[15:05] <Darkside> its just a float to the left
[15:05] <Darkside> and then a float to teh riiiiiight
[15:05] <eroomde> well, i'd be interested in the alt vs time data
[15:07] Nick change: WILLschool -> Willdude123
[15:07] <fsphil> I wonder if it had not been for the clouds, would this have burst by now
[15:07] <eroomde> balloon gas temp and outside and isnide might be useful next time LeoBodnar
[15:07] <HixWork> i believe B5 ha that
[15:07] <HixWork> *had
[15:08] <eroomde> it would let you test the hypothesis that it gets slightly higher than it is inherently bouyant and then goes into a descent until the temperatures catch up
[15:08] <eroomde> HixWork: coolio
[15:08] <HixWork> eroomde, yup http://leobodnar.com/balloons/B-5/
[15:09] <eroomde> very nice correlation between battery voltage and altitude in the telem
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[15:10] <Laurenceb> i predict battery lasts until 11pm uk time
[15:10] <HixWork> i pedict a riot
[15:10] <Darkside> when it lands
[15:10] <Darkside> the french will riot
[15:10] <HixWork> ahh oui
[15:11] <Darkside> either that or the airtraffic controllers will go on strike again
[15:11] <HixWork> sortie le ballon anglaise
[15:11] <fsphil> balls
[15:11] <Darkside> of fire
[15:11] <Darkside> s/fire/steel/
[15:11] <Darkside> dammit
[15:11] <Laurenceb> s/steel/mylar
[15:11] <Darkside> need regexbot in here
[15:11] <Laurenceb> ragebot
[15:12] <fsphil> hail to the regexbot baby
[15:13] <Laurenceb> extropolating from B5, i calculate 11pm to midnight uk time
[15:13] <Laurenceb> thats 76hours flight time
[15:13] <Laurenceb> unfortunately short of 84hours
[15:13] <HixWork> still bloody impressive from a single AA
[15:14] <fsphil> yea but that flight cost a huge amount
[15:14] <Laurenceb> was it really in 1969?
[15:14] <HixWork> was that the US transatlantic flight
[15:14] <fsphil> Laurenceb: yea noticed that too, it's a mistake
[15:14] <fsphil> it was 2012
[15:14] <Laurenceb> ah
[15:15] <fsphil> the 86 hours one sort of floated around the US and Canada iirc
[15:15] <fsphil> didn't get to the ocean
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[15:15] <fsphil> I think they missed the winds for a trans-atlantic flight, so went for duration instead
[15:16] <eroomde> i beleive that was the case
[15:16] <eroomde> + testing uplinks and so on
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[15:16] <Laurenceb> i see
[15:16] <Laurenceb> their website is epically bad
[15:16] <Laurenceb> found the data now
[15:16] <fsphil> they don't share much
[15:17] <Laurenceb> would need to last until 8am uk time tomorrow
[15:17] <Laurenceb> thats a tall order
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[15:18] <HixWork> I think it'll last
[15:18] <Laurenceb> tho it will be power saving overnight
[15:18] <fsphil> hope so
[15:18] <Laurenceb> HixWork: battery is dropping :S
[15:18] <HixWork> 16:49 yesterday it was 1.38 V
[15:18] <DL7AD> good morning
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[15:19] <Lunar_LanderU> I remember that Vincent Lally's project GHOST had some awesome results with super-pressure balloons
[15:19] <HixWork> so 0.09V in ~24h currently 1.29
[15:19] <LeoBodnar> http://www.arhab.org/pages/duration.html
[15:19] <Laurenceb> HixWork: its not linear
[15:19] <Lunar_LanderU> IIRC already the second ascent broke a world record, the balloon was to circumnavigate the globe from Alice Springs, like the predecessor
[15:19] <Lunar_LanderU> but got trapped in a weather system in the Pacifir
[15:19] <Lunar_LanderU> *Pacific
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[15:19] <Lunar_LanderU> and stayed aloft 160 days I think
[15:19] <HixWork> Laurenceb, i know
[15:20] <Lunar_LanderU> and later they got durations 1 year+
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[15:20] <LeoBodnar> Morning DL7AD
[15:21] <DL7AD> LeoBodnar Raining in Hostion
[15:21] <DL7AD> *houston
[15:24] <Laurenceb> UK trying to claim the duration record :P
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[15:25] <HixWork> ha, take that contador
[15:25] <Sven___> Is there any website providing info about B-6? It looks like an interesting project, so I am curious.
[15:26] <HixWork> http://leobodnar.com/balloons/B-6/
[15:26] <Sven___> Thanks.
[15:26] <PH3V> 404
[15:26] <LeoBodnar> Haha arhab says "Longest Flight Time, Release to Touchdown". No Touchdown, no record son!
[15:27] <HixWork> PH3V, what 404's http://leobodnar.com/balloons/B-6 ?
[15:28] <staylo_> 1.28V
[15:28] Nick change: DanielRi1hman -> DanielRichman
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[15:28] <Herman-PB0AHX> ga all
[15:30] <Herman-PB0AHX> wow B6 still flying wow
[15:31] <craag> LeoBodnar: You need to shoot it down then!
[15:31] <eroomde> likewise recovery needed for alt records
[15:31] <eroomde> or at least that's what we always used to say
[15:32] <staylo_> There are some 'last known position' entries there, I think you're safe ;)
[15:32] <Herman-PB0AHX> no not shoot him he is a live hihihihi
[15:32] <Lunar_LanderU> ohhhh Johnny Number 5
[15:34] <LeoBodnar> Hehe Last known position is a known unknown.
[15:34] <craag> daveake: I was wondering about heading up to Newbury this evening to try to take some photos of your balloon after sunset, while it's still lit but the atmosphere isn't.
[15:35] <craag> Hows the cloud cover there atm?
[15:35] <Herman-PB0AHX> PA3WEG wouter wat is qtf from u
[15:35] <fsphil> I thought that said Norway for a moment there craag
[15:35] <daveake> small and scattered
[15:35] <HixWork> that'd need a big lens
[15:35] <craag> fsphil: That'd be picturesque
[15:35] <fsphil> very
[15:35] <daveake> he has one
[15:36] <fsphil> I have a big telescope waiting for someone local to launch
[15:36] <craag> Cool, do you have a current prediction?
[15:36] <daveake> http://predict.habhub.org/#!/uuid=cb07889d90a715675de4d24b6d90be1f2f4a9e9f
[15:37] <craag> Ok cheers, I'll start looking for hills..
[15:37] <daveake> :)
[15:37] <fsphil> this should show up nicely
[15:37] <daveake> Yes hopefully will
[15:38] <daveake> Sunset at alt is approx at burst time
[15:38] <Lunar_LanderU> wow, July 20 currently displays a flight due West here
[15:38] <Lunar_LanderU> from Osnabruck
[15:38] <Herman-PB0AHX> ok i am later back dinner time now
[15:38] <fsphil> going to try tracking it?
[15:39] <Sven___> B-2/6 looks like a pretty neat piece of hardware... cool.
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[15:47] <eroomde> http://www.quickmeme.com/meme/3v7l0i/
[15:47] <UpuWork> lol
[15:47] <UpuWork> I see what you did there
[15:48] <fsphil> so that's what DM looks like
[15:48] <Willdude123> I figured the checksum is calculated byte by byte, but I'm not sure why.
[15:49] <fsphil> because it is
[15:49] <HixWork> sodding jave trying to auto change to ask.com
[15:50] <fsphil> just say no to Java
[15:50] <fsphil> you're just prolonging the pain
[15:51] <HixWork> need it to view some BMW tech docs
[15:52] <eroomde> Willdude123: bytes are the smallest logical units for most computers
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[15:52] <eroomde> and say with serial communications, usually a single bit error will write-off a whole byte
[15:52] <Willdude123> Indeed.
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[15:53] <DL7AD> meteogram of paris charles de gaulle: http://i.imgur.com/WcR69cp.png
[15:54] <eroomde> you could do it differently in theory. but bytes just make sense
[15:54] <Willdude123> So why does it not work when I try to address the whole string?
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[15:55] <eroomde> and you can't send less than one byte, but if you only wanted to send 1 byte then having a checksum that needs more than one byte won't work
[15:55] <LeoBodnar> Thanks DL7AD
[15:55] <eroomde> Willdude123: that question is a bit ambiguous so i can't answer
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[15:56] <Willdude123> Nvm
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[16:04] <DL7AD> nearly 72 hours
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[16:05] <Willdude123> Checksums should be converted from bin to hex right?
[16:06] <fsphil> yea, padded to four digits and upper case
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[16:07] <Willdude123> Padded to four digits?
[16:07] <Willdude123> Right.
[16:07] <Willdude123> http://pastie.org/8149516
[16:08] <Willdude123> Output is 0xcbd6
[16:08] <Willdude123> Now how do I get that into "Txing format"?
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[16:10] <fsphil> I don't understand what you're doing there
[16:10] <DL7AD> LeoBodnar: If the battery fails first, we are going to need next time type c battery ;)
[16:10] <fsphil> you're doing it character by character, then as a single string?
[16:11] <Willdude123> Yeah, apologies, pasted wrong code, that was for testing.
[16:12] <Willdude123> Same output though.
[16:12] <fsphil> the last line is the only one doing anything
[16:13] <Willdude123> http://pastie.org/8149524
[16:13] <fsphil> that function accepts strings, you don't need to do it that way
[16:13] <fsphil> you can just pass it string
[16:14] <Willdude123> Ah right.
[16:14] <fsphil> it does that loop internally
[16:14] <Willdude123> So how do I convert it to the "proper" format?
[16:15] <LeoBodnar> Maybe solar DL7AD ?
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[16:19] <fsphil> I'm not sure what the proper python way is
[16:19] <arko> HOW IS IT STILL FLYING
[16:19] <fsphil> it seems the % operator is being removed in future versions of python
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[16:19] <arko> i said my head would explode but it hasn't
[16:19] <Willdude123> fsphil: Just say what it should be and I'll figure out some whay.
[16:19] <Willdude123> *way
[16:19] <fsphil> what I said earlier, a four digits hexadecimal value, upper case
[16:19] <fsphil> -s
[16:21] <Willdude123> I take it the 0x doesn't have to be included.
[16:21] <Willdude123> so XBCD?
[16:21] <Willdude123> Wait no
[16:21] <fsphil> 0123
[16:21] <fsphil> ABCD, etc
[16:22] <Willdude123> But it's gotta be in hex.
[16:22] <Laurenceb> 70 hours flight time
[16:22] <Willdude123> Right.
[16:22] <Willdude123> So the checksum of "Hello" is 0xcbd6
[16:22] <Willdude123> So it would be CBD6?
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[16:24] <HixWork> Isn't the hexadecimal value of "hello" "68656c6c6f" or am i totally not getting hex
[16:25] <HixWork> ignore me
[16:25] <HixWork> i should read
[16:25] <fsphil> hehe
[16:26] <fsphil> would be a bit silly sending the whole string in hex
[16:26] <HixWork> I don't want to be here anymore. plus my socks proxy has gone down so i cant graze the net
[16:28] <fsphil> eek
[16:28] <fsphil> tunnel over ssh?
[16:29] <HixWork> yeah, either someone has killed the server [again] or the massive 1.5Mb line is taking a hammering
[16:29] <Willdude123> Would it be CBD6?
[16:30] <fsphil> Willdude123: http://www.lammertbies.nl/comm/info/crc-calculation.html
[16:30] Nick change: Administrator__ -> HixServer
[16:30] <DL7AD> LeoBodnar: yes solar! but fix it properly next time
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[16:31] <HixServer> ha ha victoire
[16:32] <Willdude123> So it's *CBD6 for 0xCBD6?
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[16:40] <DL7AD> B-6 exatly 72h in the air :)
[16:40] <gonzo___> round of applause
[16:40] <gonzo___> or drinks!
[16:40] <HixWork> hip hip
[16:40] <gonzo___> hoorah
[16:40] <arko> woo!
[16:41] <DL7AD> argh i forgot time shift.
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[16:42] <DL7AD> 70h but thats much as well
[16:44] <Willdude123> Where is it? Map is unresponsive.
[16:45] <GMT> B-6 is just north of Paris
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[16:46] <LeoBodnar> Ooh, sorry to spoil your parade but launch was 18:42 UTC XD so 70 hours only so far :)
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[16:48] <Willdude123> Dl-Fldigi says it's wrong.
[16:48] af7u (ccc31917@gateway/web/freenode/ip.204.195.25.23) joined #highaltitude.
[16:48] <Willdude123> "$$TEST *33F3"
[16:48] <Willdude123> That fails/
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[16:50] <Willdude123> Although the checksum is 0xBBAE
[16:50] <LeoBodnar> home run! see you in a tick!
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[16:53] <GMT> Willdude123: what sort of checksum are you trying to do?
[16:53] <Willdude123> CRC16_Xmodem
[16:54] <Herman-PB0AHX> which is the longest time that a balloon in the air has remained
[16:54] <Willdude123> I.e. the one used in the wiki.
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[16:58] <bertrik> nice to see B-6 is still up
[16:59] <SQ9MDD> http://mdfs.net/Info/Comp/Comms/CRC16.htm
[17:00] <GMT> the website mentioned by fsphil above has a CRC check tool, and for the string of 'TEST' say the checksum should be 0x080A
[17:00] <GMT> if it's 'TEST ' it should be 0xAF6A
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[17:02] <bertrik> This is my favourite page regarding CRCs http://www.lammertbies.nl/comm/info/crc-calculation.html
[17:02] <GMT> that's the one suggested by fsphil
[17:02] <Willdude123> Yeah
[17:02] <Willdude123> That makes sense.
[17:02] <Willdude123> But
[17:02] <Willdude123> Ah
[17:02] <ibanezmatt13> daveake: I've decided to solder the +5v and +3.3v lines to the OUT+ terminal of the regulator, and the two ground wires to the OUT-. Just thinking of a way to test it without a ribbon cable :)
[17:02] <Willdude123> Oh yeah.
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[17:03] <bertrik> sorry, didn't know, but that's two recommendations for the same page at least :)
[17:03] <Willdude123> Excludes the $$ doesn't it?
[17:03] <SQ9MDD> right
[17:03] <GMT> yup, your checksum calc does NOT include the $$$$$s at the beginning
[17:04] <GMT> so you want a checksum for 'TEST' not '$$TEST'
[17:04] <ibanezmatt13> GMT: I remember making that mistake once
[17:05] <F5mvo> LeoBodnar : what is the critical v battery ?
[17:05] <DL7AD> 0.8v
[17:06] <DL7AD> 0.8v is dead
[17:06] <DL7AD> 1.0v is 30min left
[17:06] <F5mvo> thank
[17:06] <GMT> F5mvo: Leo is driving home from work at the moment, he will be here soon
[17:07] <GMT> ibanezmatt13: I've never made that mistake, but I've never programmed a Pi, Arduino or micro!
[17:07] <F1src> Hello, great flight from B-6, whaouuu
[17:08] <ibanezmatt13> GMT: It was quickly rectified, I was learning the CRC-CCITT checksum in Python
[17:09] <GMT> I've never programmed in Python 'in anger', but I've done lots of programming on other computers, so I know how I'd do it.
[17:12] <PE2G> F5mvo: Bonjour André, do you notice any changes in signal strength?
[17:13] <GMT> F1src: can you hear the signal from the balloon?
[17:13] <F5mvo> PE2G: not for me is good, i have a problem last hour, but it come from dl-fldigi
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[17:15] <F1src> No signal here IN87KM
[17:15] <F5mvo> PE2G: and you ?
[17:15] <GMT> Je ne sais pas IN87km ... quelle ville, svp?
[17:15] <F5mvo> ça doit être le 56
[17:16] <F1src> Yes dept 56, Bretagne
[17:16] <F5mvo> Morbihan ?
[17:16] <GMT> merci.
[17:16] <F5mvo> Quiberon ?
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[17:17] <PE2G> F5mvo: No signal at all here in the east of PA. Yesterday, rx started just after sunset.
[17:17] <F1src> Not far from quiberon
[17:18] <F5mvo> je crois que l'on s'est vu a Friedrischafen en 2012 ?
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[17:20] <F1src> What is the frequency of b-6 now ? thank's
[17:21] <PE2G> F5mvo: Je n'était pas à Friedrischafen en 2012. Je suis sur Radiosonde-Monitoring
[17:22] <F5mvo> it was F1SRC, sorry
[17:22] <PE2G> OK
[17:22] <GMT> F1src: B-6 is 434.500
[17:22] <F5mvo> have you link for download dl fldigi ?
[17:23] <F5mvo> F1SRC : je crois que l'on s'est vu a Friedrischafen en 2012 ?
[17:23] <F1src> Thank's, nothing here, Fried in 2011 perharps and yes fldigi in installed on my computer
[17:23] <PE2G> http://www.ukhas.org.uk/projects:dl-fldigi
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[17:25] <F5mvo> now 3.1 for tracking ?
[17:26] <PE2G> F5mvo: Yes
[17:26] <F5mvo> ok
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[17:27] <PE2G> F5mvo: http://www.ukhas.org.uk/guides:tracking_guide:french
[17:27] <F5mvo> its for friend ask me
[17:28] <F5mvo> i run under 3.21.50
[17:29] <F5mvo> PE2G : thank for the link in french
[17:30] LeoBodnar (5c116e74@gateway/web/freenode/ip.92.17.110.116) joined #highaltitude.
[17:30] <PE2G> F5mvo: Mon plaisir
[17:31] <F5mvo> where are you in Pa ?
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[17:31] <GMT> F5mvo: when you read the guide, if the French is not good, please let us know
[17:32] <F5mvo> you are translate ?
[17:32] <PE2G> F5mvo: JO32HI
[17:32] <GMT> F5mvo: no, not me!, but if you tell us something is wrong, we can update it
[17:33] <F5mvo> ok
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[17:35] <F5mvo> the translation is perfect
[17:35] flvctvat (60efaf6a@gateway/web/freenode/ip.96.239.175.106) joined #highaltitude.
[17:37] <F5mvo> B-6 send beeps
[17:38] <F5mvo> B-6 send beeps or perhaps strong qrm here
[17:38] <arko> wow
[17:38] <arko> 0.81v
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[17:39] <arko> this is some hab history right here
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[17:39] <F5mvo> hanging modulation
[17:39] <arko> i like how the balloon outlasted the flight to the point the batteries ran out
[17:39] <PB0NER> and that is the end of B-6 battery
[17:40] Action: arko rings church bells
[17:40] h4yn0nnym0u5e (~chatzilla@95.148.214.85) joined #highaltitude.
[17:40] <arko> congrats LeoBodnar :)
[17:40] <daveake> +1
[17:40] <daveake> amazing flight
[17:40] <F5mvo> continuous tone
[17:40] jcoxon (~jcoxon@host86-157-39-177.range86-157.btcentralplus.com) joined #highaltitude.
[17:41] <fsphil_> Ah, the end has come
[17:41] <F5mvo> tone finish
[17:41] <daveake> daisy, daisy ...
[17:41] <arko> haha
[17:41] <GMT> !
[17:41] <arko> "never gonna give you up..."
[17:41] <fsphil_> That poor AA battery
[17:41] <GMT> https://www.youtube.com/watch?v=_9b7CgTIRKU
[17:41] <arko> fsphil_: that AA saw the world
[17:41] <daveake> I wonder how much longer it'll fly for.
[17:41] <jcoxon> evening
[17:41] <arko> lived a very fortunate live
[17:42] <fsphil_> Well, France and england
[17:42] <F5mvo> how hours ?
[17:42] <GMT> and Leo missed it! he's driving home from work
[17:42] <LeoBodnar> I am here!
[17:42] <jcoxon> 71 hours
[17:42] <jcoxon> i think
[17:42] <GMT> Leo, you missed all the action
[17:42] <LeoBodnar> What a great city to die over XD
[17:43] <jcoxon> an hour under 3 days
[17:43] <fsphil_> Amazing
[17:43] <daveake> I have an eiffel of tears
[17:43] <GMT> the battery just gave-up with a gallic shrug
[17:43] <arko> lol
[17:44] <fsphil_> Knowing the French, it's probably smoking too
[17:44] <LeoBodnar> Haha, great epitaphs !
[17:44] <GMT> gotta be a Gauloise
[17:45] <F5mvo> you have see, much 7, 2013-07-17 17:37:17 last decode here
[17:45] <LeoBodnar> BIG thanks to all who have tracked B-6 over these 71 hours! Without you we wouldn't know where it was XD
[17:45] <fsphil_> Fin.
[17:46] <LeoBodnar> Many nations pulled together
[17:46] <GMT> Okay Leo, you still have time, it's not 7pm yet ... ready the B-7!
[17:46] <LeoBodnar> Haha good point
[17:46] <Upu> awesome
[17:46] <G0TDJ_Steve> Three cheers for LeoBodnar! Hip hip
[17:46] <LeoBodnar> Need some GPSes from Upu
[17:46] <fsphil_> Ha
[17:46] <Upu> and still in the air
[17:46] <Upu> should have turned up today leo
[17:46] <PH3V> Hurray!
[17:46] <Willdude123> http://pastie.org/8149772
[17:46] <Willdude123> My code.
[17:47] <G0TDJ_Steve> Hip Hip
[17:47] M0CJM_Neil (~neil@host86-139-74-54.range86-139.btcentralplus.com) joined #highaltitude.
[17:47] <LeoBodnar> It died standing proud
[17:47] <Upu> can you grab screen shots pls LeoBodnar
[17:47] <LeoBodnar> Hooray
[17:47] <G0TDJ_Steve> Hip Hip
[17:47] <Upu> I need to clear tracker
[17:47] <arko> i want to believe that B-6 was just getting ready for it's approach to CDG http://i.imgur.com/7Vt5Zw3.jpg
[17:47] <LeoBodnar> OK
[17:47] <Willdude123> Now, why are the checksums wrong? It does seem to be calculating the right bit of the string.
[17:48] <M0CJM_Neil> Hi all
[17:48] <Willdude123> I would say hi, but I should just yell it and you'll be able to hear me.
[17:49] <M0CJM_Neil> Lol Willdude this is true
[17:49] <fsphil_> Why are you removing the first character from the string the CRC is calculated from?
[17:49] <G0TDJ_Steve> daveake: Can you let me know when you
[17:49] <G0TDJ_Steve> 're releasing please?
[17:49] <F1src> Great flight, incredible and the payload with single AA, great also, congratulations to the team
[17:50] <Geoff-G8DHE-M> I also have the current B-6 KMZ file saved
[17:50] <Willdude123> Right.
[17:50] <Willdude123> Why does this not work, I've checked and it's calculating it on the right part of the string.
[17:50] <F5mvo> good adventure
[17:51] <M0CJM_Neil> When did B-6 go up?
[17:51] <Babs_> congrats LeoBodnar, who would have thought one AA battery could give so much pleasure to so many people that weren't female
[17:51] <PE2G> LeoBodnar: Amazing flight. Thanks!
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[17:51] <F5mvo> i go to heat, see you later for the next adventure, 73 all
[17:52] <GMT> F5mvo: next adventure in about 1 hour
[17:52] <F5mvo> to heat for you ?
[17:52] <GMT> M0CJM_Neil: B-6 launched Sunday evening at about 18.45 UTC
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[17:53] <M0CJM_Neil> Damn missed that one!
[17:53] <Upu> tell me when you have all the screenies you need LeoBodnar
[17:54] <LeoBodnar> Thanks F5mvo
[17:54] <LeoBodnar> OK Upu
[17:54] <Upu> is that ok you'll tell me or ok you're done ? :)
[17:54] <LeoBodnar> It was such a communal effort. LOL Click "Flights Pie" >>> http://habitat.habhub.org/stats/
[17:55] <Willdude123> Can anyone help at all?
[17:55] SP9UOB-Tom (~verox@matrix.verox.pl) joined #highaltitude.
[17:55] <Willdude123> http://pastie.org/8149772
[17:55] <LeoBodnar> Need to open some good French wine tonight
[17:56] <Willdude123> I am confused, as to why this doesn't work. I have taken $$ off, but the checksums are still wrong.
[17:56] <arko> lol
[17:56] <SP9UOB-Tom> LeoBodnar: Congratulations :-)
[17:56] <SP9UOB-Tom> Evening ALL
[17:56] lz1dev (~rgp@188-221-236-112.zone12.bethere.co.uk) joined #highaltitude.
[17:57] <x-f> LeoBodnar, great flight, congrats!
[17:57] <Wouter-[pa3weg]1> http://pa3weg.nl/wordpress/wp-content/uploads/2013/07/LastB-6PacketPA3WEG.jpg
[17:57] <Wouter-[pa3weg]1> Congrats to Leo and B-6
[17:58] <SpeedEvil> Has it died?
[17:58] Nick change: G0TDJ_Steve -> G0TDJ_AFK
[17:58] <fsphil> it has
[17:58] <SpeedEvil> Ah - it has.
[17:58] <SpeedEvil> Awesome duration!
[17:58] <LeoBodnar> Got them Upu
[17:58] <SP9UOB-Tom> this is my solar-powered pico: http://sp9uob.verox.pl/pico/picosolar.jpg (MAX7, PIC18LF26K22, RFM22B)
[17:58] <LeoBodnar> Cheers everybody!
[17:59] <Willdude123> fsphil: Do you have a clue as to why my code is not producing correct checksums?
[17:59] <mfa298> 49 different listeners for B-6, that's got to be one of the larger sets of listeners for a flight
[17:59] <fsphil> Willdude123: your code is incomplete, relies on human input
[17:59] <db_g6gzh_> LeoBodnar: great flight, and it's still up there ... somewhere ...
[17:59] <fsphil> better to post a version that doesn't
[17:59] <GMT> Tom, will that also have a battery, so is it just solar powered?
[18:00] <LeoBodnar> It died at its station, saluting Paris
[18:00] <SP9UOB-Tom> GMT: solar powered only - jjust for fun and as proof of concept :-)
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[18:01] <LeoBodnar> Upu: do you want to wipe it off right now? Maybe people are taking screenshots elsewher?
[18:01] <Wouter-[pa3weg]1> http://pa3weg.nl/wordpress/wp-content/uploads/2013/07/LastB-6PacketPA3WEG1.jpg --> now with the LAST packet in view
[18:01] <Upu> wiped
[18:01] <Upu> best get your page up :)
[18:01] <arko> man this csv is huge
[18:02] <Willdude123> There fsphil http://pastie.org/8149821
[18:02] <LeoBodnar> That was the quickest purge I have seen
[18:02] <SP9UOB-Tom> anyway switching between 1.5V AA and 1.5V solar is really hard :(
[18:02] <SP9UOB-Tom> really good shotky takes 300mV :-(
[18:04] <fsphil> right, so you're only removing the first character Willdude123
[18:04] <jcoxon> SP9UOB-Tom, i think we need a FET to do the switching
[18:04] DL7AD (42f96424@gateway/web/freenode/ip.66.249.100.36) joined #highaltitude.
[18:04] <DL7AD> i cant receive it anymore
[18:05] <SP9UOB-Tom> jcoxon: i think we need 2 step-up converters, and smart driving its ENABLE input
[18:05] LeoBodnar (5c116e74@gateway/web/freenode/ip.92.17.110.116) left irc:
[18:05] <fsphil> Willdude123: there is an easier way to remove all the first $$'s in python ... lstrip
[18:06] <SP9UOB-Tom> MCP1640 doesnd draw any current (except feedback divider) when its disabled
[18:06] <SP9UOB-Tom> doesnt
[18:06] <SP9UOB-Tom> so 2 step-ups connected in parallel and analog comparator to switch between 2 power sources
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[18:08] <Willdude123> fsphil: Okay used that.
[18:08] <Willdude123> Checksum still invalid.
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[18:09] <fsphil> code
[18:09] <jcoxon> fsphil, finally got a replacement UV-5r radio
[18:10] <fsphil> ooh, tested?
[18:10] <Willdude123> http://pastie.org/8149847 fsphil
[18:10] <jcoxon> just opening hte box
[18:10] <fsphil> what's the output of that Willdude123?
[18:13] <Willdude123> $$RTTY, 73*C060
[18:14] <fsphil> did you try it on that site I posted earlier?
[18:16] <Wouter-[pa3weg]1> there is a space
[18:16] <Wouter-[pa3weg]1> does dat count in the checksum?
[18:16] <Wouter-[pa3weg]1> wetween the comma and 73
[18:16] <Wouter-[pa3weg]1> *between
[18:16] <fsphil> yea
[18:16] <Wouter-[pa3weg]1> just observing....
[18:16] <Willdude123> fsphil: Yea
[18:16] <fsphil> it actually is a valid crc, just the wrong type :)
[18:16] <Willdude123> Oh <omit word>
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[18:17] <Willdude123> The wiki shoes crc16_xmodem ones though as being the protocol.
[18:18] <fsphil> xmodem has used a few I think
[18:18] Action: fsphil refers to the habitat source
[18:18] <fsphil> https://github.com/ukhas/habitat/blob/develop/habitat/utils/checksums.py
[18:19] <fsphil> hehe, bad timing.. http://www.southgatearc.org/news/july2013/434_mhz_balloon_still_aloft_after_50_hours.htm
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[18:23] <Willdude123> fsphil: What *should* I be using?
[18:23] <Willdude123> The rtty test code on the wiki works fine.
[18:23] <Willdude123> That's crc16 xmodem.
[18:24] <GMT> tbh, i agree with will
[18:25] <GMT> if you put his string "RTTY, 73" into that website you get a CRC which matches what his code calculated
[18:26] daveake_M6RPI (~Dave@188.29.154.180.threembb.co.uk) joined #highaltitude.
[18:30] <Willdude123> So i really have no clue what is wrong/
[18:30] <Willdude123> Hi daveake_M6RPI
[18:31] M0TVU (d9290680@gateway/web/freenode/ip.217.41.6.128) joined #highaltitude.
[18:32] <M0TVU> Evening
[18:32] <Willdude123> It lists the wiki one as a CRC-CCITT (0xFFFF) modem.
[18:32] <Willdude123> *method
[18:32] <Willdude123> *checksum
[18:33] <M0TVU> Are buzz zurg launching?
[18:34] <Willdude123> What's that?
[18:34] <Willdude123> And why does code call it xmodem?
[18:36] <wolfbl> xmodem is NOT CRC-CCITT (0xFFFF) look at http://www.lammertbies.nl/comm/info/crc-calculation.html
[18:36] <Willdude123> chase_M6RPI had a dunk in the sea there.
[18:36] <Willdude123> Will I need a different lib?
[18:36] <Willdude123> wolfbl: Why does the code call it that then?
[18:39] <Willdude123> This is annoying.
[18:39] <Willdude123> What should I do now?
[18:41] <M0TVU> Where is everyone?
[18:42] <chrisstubbs> Willdude123, python?
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[18:42] <Willdude123> chrisstubbs: yah
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[18:43] <chrisstubbs> Im a bit tied up am
[18:43] chris___ (568424fd@gateway/web/freenode/ip.86.132.36.253) joined #highaltitude.
[18:43] <chrisstubbs> but https://github.com/ooda55/PiCode/blob/master/FlightCode.py is my pi python code that has CRC funcions if its of any use
[18:43] <chris___> is B6 no more? (siff)
[18:43] <chris___> sniff
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[18:45] chris___ (568424fd@gateway/web/freenode/ip.86.132.36.253) left irc: Client Quit
[18:45] <Willdude123> chrisstubbs: Not really but thz
[18:45] <Willdude123> *thx
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[18:46] <Willdude123> I just want to know why the code on the wiki works differently, why mine doesn't do the correct way and what is available to do the correct way.
[18:46] <Willdude123> This is <omit word> annoying.
[18:48] <M0TVU> Is your code the same as the one on the wiki?
[18:48] <Wouter-[pa3weg]1> HABANERO2 launch footage --> http://www.youtube.com/watch?v=MFnbWy5kFIU
[18:50] <Laurenceb_> what hapopened to B6?>
[18:51] <GMT> batt died on B-6 about 2 hours ago
[18:51] <GMT> B-6 was just north of Paris at the time
[18:51] <Laurenceb_> :(
[18:51] <SpeedEvil> There is I assume zero chance of it waking up tomorrow?
[18:52] <GMT> something like 70 hours on an AA batt!
[18:53] <Geoff-G8DHE-M> Is Daveake's launch two payloads on one balloon ?
[18:53] <Laurenceb_> ooh 1 minute off
[18:53] <Laurenceb_> about 71hours
[18:54] <GMT> almost certainly zero chance of B-6 reviving tmrw, but 'never say never'!
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[18:55] <Laurenceb_> does the vreg go into sleep mode?
[18:55] <GMT> Geoff-G8DHE: from Dave's announcement on UKHAS - 1 balloon with 2 trackers
[18:55] <Willdude123> Anyone want to help?
[18:55] <Geoff-G8DHE-M> Tks GMT
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[18:56] <chrisstubbs> Willdude123, I would, but your python is probably better than mine :P
[18:56] <Willdude123> I doubt it.
[18:57] <GMT> Willdude123: I just googled Python CCITT and found some sample code
[18:57] <Willdude123> Well, it's CCITT 0xFFFF, which I have no clue what means but go on
[18:58] <mikestir> ccitt is the polynomial and 0xffff is the initial value
[18:58] <SP9UOB-Tom> ping jcoxon
[18:58] <Willdude123> mikestir: Huh? :)
[18:58] <jcoxon> hey SP9UOB-Tom
[18:59] <jcoxon> is anyone in South or East of london able to help me check my co-linear
[18:59] <SP9UOB-Tom> jcoxon: about power switching - i have briliant idea :-)
[18:59] <mikestir> willdude123: http://en.wikipedia.org/wiki/Cyclic_redundancy_check
[18:59] <jcoxon> SP9UOB-Tom, yup
[18:59] <SP9UOB-Tom> jcoxon: we can try via EME ;-)
[18:59] <M0CJM_Neil> jcoxon I can try here in Basingstoke
[18:59] <jcoxon> haha
[18:59] <Willdude123> Right so is there some way to adapt my code for it or will I need to start again?
[18:59] <mikestir> did you paste it?
[18:59] <jcoxon> M0CJM_Neil, i'm only on 5W
[18:59] <M0CJM_Neil> jcoxon ahh ok
[18:59] <SP9UOB-Tom> i'll try explain (as let me my english)
[19:00] <GMT> jcoxon: 'check' as in how ..?
[19:00] <Willdude123> mikestir: Yeah
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[19:00] <mikestir> post the link again
[19:01] <CHRISG7OGX> i'm in bognor regis qra io90ps and ready to help
[19:01] <Willdude123> http://pastie.org/8149847 mikestir
[19:01] <SP9UOB-Tom> jcoxon: imagine, that we have 2 stepups with parallel connected outputs. But solar powered has output set to sey - 2Volts, and second witch chemical power source to 1.8V
[19:01] Matt_ (5c29fbd9@gateway/web/freenode/ip.92.41.251.217) joined #highaltitude.
[19:01] <Matt_>
[19:01] <M0TVU> For i = 0 To send_ix data_word = send_data_byte(i) data_word = ShiftLeft(data_word, 8) 'shift the data left 8 crc = crc Xor data_word 'XOR the data with the CRC For bt = 0 To 7 tmp = crc And 0x8000 'and the CRC with 0x8000 If tmp <> 0 Then 'if this vale <> 0 then will be either 8000 or 0 crc = ShiftLeft(crc, 1) 'shift the CRC left 1 crc = crc Xor polynomial 'XOR the CRC with polynomial Else crc = ShiftLeft(crc, 1)
[19:01] <SP9UOB-Tom> jcoxon: imagine, that we have 2 stepups with parallel connected outputs. But solar powered has output set to say - 2Volts, and second witch chemical power source to 1.8V
[19:01] <M0TVU> Ooops sorry.
[19:01] <GMT> Willdude123: *don't get rid of your existing code*, just make it into comments, so you can easily get it back again
[19:01] Nick change: Matt_ -> Guest80629
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[19:01] <SpeedEvil> SP9UOB-Tom: step-ups for solar are probelmatic, you absolutely have to have MPPT
[19:02] <M0TVU> Wild dude - I have a crc check written in pic basic which is really easy to follow
[19:02] <M0TVU> See above
[19:02] <SpeedEvil> SP9UOB-Tom: If you can run the solar cell at a little bit higher than the battery, and just use a LDO, it's much simpler
[19:03] <SP9UOB-Tom> jcoxon: now we have solar power, on output we have 2V so feedback voltage (feed from power bus) is higher than required for 1.8V
[19:03] <SP9UOB-Tom> SpeedEvil: MPPT is easy, no problem :-)
[19:03] <fsphil> Willdude123: just use the code I posted
[19:03] <SpeedEvil> I don't see the point, really.
[19:04] <SP9UOB-Tom> jcoxon: so the battery powered stepup will wait till output voltage drop to turn on
[19:04] <SP9UOB-Tom> thats all :-)
[19:04] <SP9UOB-Tom> no additional mosfets
[19:04] <SP9UOB-Tom> SpeedEvil: with LDO You really cant control MPPT :-(
[19:05] <SpeedEvil> SP9UOB-Tom: you don't need to control it.
[19:05] <Willdude123> fsphil: Sorry I missed that.
[19:05] <CHRISG7OGX> jcoxon what freq?
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[19:05] <SpeedEvil> MPPT is only an issue when you're trying to run a load off the solar panels that is negative differential resistance - like a SMPS.
[19:05] <fsphil> Willdude123: the habitat code
[19:05] <M0CJM_Neil> Are we up yet?? Thought there was no "ish" about this one, 8pm local on the dot :-)
[19:05] <Willdude123> Ah right
[19:05] <SpeedEvil> Otherwise, you only lose 20% or so, and then that's it.
[19:06] <fsphil> M0CJM_Neil: it's a bit dot
[19:06] <fsphil> big*
[19:06] <SpeedEvil> Wehn boosting, you have to do MPPT of some form, or your panel shorts out when you try to start.
[19:06] <fsphil> cheeky, O2 are inserting javascript into pages
[19:06] <SpeedEvil> Mobile providers seem to do that quite often
[19:07] <Laurenceb_> how do i force wget to work?
[19:07] <SP9UOB-Tom> SpeedEvil: almost every stepup i've seen has softstart feature, decent capacitor on input will do the job
[19:07] <daveake_M6RPI> up
[19:07] <Laurenceb_> i mean - if its on a really bad proxy server
[19:07] <daveake_M6RPI> Only 7 mins late
[19:07] <fsphil> I've setup an ssh tunnel
[19:07] <Laurenceb_> thats continually breaking
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[19:07] <Laurenceb_> how do i force it to block rather than quit
[19:07] <Upu> balloons up
[19:07] <SpeedEvil> SP9UOB-Tom: But you've then got to throttle the power demand to the right amount to maintain the input voltage around peak power. It's not automatic.
[19:07] Nick change: Upu -> Upu_M0UPU
[19:08] <Klaas-PD4KDZ> Good evening B6 still up? out of battery?
[19:08] <M0CJM_Neil> its on its way :-)
[19:08] <Upu_M0UPU> battery died Klaas-PD4KDZ
[19:08] <SpeedEvil> Still up, out of battery.
[19:08] <mattbrejza> decoding
[19:08] <Klaas-PD4KDZ> oke thankz a record?
[19:08] <mattbrejza> bit drifty
[19:08] <SpeedEvil> Unless it has been shot down by some crafty perisian.
[19:08] <mikestir> willdude123: http://pastie.org/8150008
[19:08] <mikestir> using crcmod from pip
[19:09] <mikestir> the one you are using appears to only support the crc ccitt variant with a 0 initial value
[19:09] <SP9UOB-Tom> SpeedEvil: yes i know anyway i've tested SPV1040T and its working as good (with MPPT) as MCP1640 without MPPT
[19:09] <fsphil> habitat uses crcmod
[19:09] <fsphil> it's been well tested :)
[19:11] <Willdude123> I can't seem to pip install crcmod
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[19:12] <CHRISG7OGX> have Buzz shift 564Hz
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[19:13] <rharrison_> evening all
[19:13] <M0CJM_Neil> nice sigs from buzz here
[19:13] <Willdude123> Oh it's lost internet connection.
[19:13] <rharrison_> Is buzz a micro hab
[19:14] <rharrison_> ie small or weather balloon?
[19:14] <fsphil> howdy rharrison_
[19:14] <fsphil> this is a proper balloon
[19:14] Nick change: mfa298 -> mfa298_m1ari
[19:14] <fsphil> latex
[19:14] <rharrison_> evening fsphil
[19:14] <Willdude123> I think I need to re flash this thing.
[19:14] <rharrison_> What happend to B6 did it get chomped at CDG airport?
[19:14] <Geoff-G8DHE-M> Se him
[19:15] <M0CJM_Neil> Buzz drifting up the band
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[19:18] <M0CJM_Neil> Buzz fading out completely here
[19:20] <M0TVU> Buzz weak here in North Birmingham
[19:20] <M0CJM_Neil> Its hardly audible here in Basingstoke
[19:20] <mfa298_m1ari> Buzz nice and strong here :p
[19:21] <M0TVU> Has someone just switched it off?
[19:21] <M0CJM_Neil> Got it back now but sounds like its struggling
[19:22] <Maxell> oh noes
[19:22] <Nerdsville> Buzz coming through in Nottinghamshire, no decodes yet
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[19:24] <Willdude123> Ooh new action feature in the log
[19:24] <M0TVU> Good signal on ZURG but drifting badly no decodes yet
[19:25] <M0TVU> RTTY or RTTYR ??
[19:25] <GMT> rtty
[19:25] <Maxell> uppersideband
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[19:25] <M0TVU> Cant keep it stable enough for decode :-(
[19:26] <GMT> stay with it, as it climbs the signal will get better
[19:27] <M0CJM_Neil> The centre freq display is going up at 1hz a sec
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[19:27] <GMT> you have AFC set, have you increased the filter bandwidth?
[19:27] <Geoff-G8DHE-M> We've been spoilt with B-6 stability:-)
[19:28] FloatyChap (524695e6@gateway/web/freenode/ip.82.70.149.230) joined #highaltitude.
[19:28] <M0CJM_Neil> yeah all 3 khz open and afc on
[19:29] <GMT> what 'receive filter bandwidth'?
[19:29] <Willdude123> fsphil: That doesn't seem to work either.
[19:29] <Geoff-G8DHE-M> Increase the Modem bandwidth in dl-fldigi to track the drift
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[19:29] <M0TVU> How?
[19:29] <Willdude123> $$RTTY, 73*8E72
[19:30] <mattbrejza> silly fldigi, the afc shouldnt depend on the rx filter BW...
[19:30] <fsphil> what's the code look like Willdude123 ?
[19:30] <GMT> M0tvu: bottom left corner, r-click on RTTY and increase slider at bottom; don't forget to save
[19:30] <Willdude123> http://pastie.org/8150054
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[19:30] <fsphil> your missing a step Willdude123
[19:31] <Willdude123> Did I not copy it all?
[19:31] <fsphil> try printing out what your feeding the crc function
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[19:33] <iain_g4sgx> B-6 has dissapeared from the map, did it finally run out of power?
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[19:33] <Willdude123> WOOOOOOOOOOOOOOOOOHHHHHHHHHHHHHHHOOOOOOOOO!
[19:33] <fsphil> lol
[19:33] <fsphil> thought you'd get it
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[19:33] <mfa298_m1ari> The balloon has been spotted
[19:33] <Willdude123> Am I allowed to swear in a positive manner?
[19:34] <Willdude123> Well.
[19:34] <mfa298_m1ari> ad photo graphed
[19:34] <number10> no
[19:34] <Upu_M0UPU> no Willdude123
[19:34] <fsphil> best not to, but we can all imagine it :)
[19:34] <GMT> only if we;re allowed to tell your parents what you said
[19:35] <M0CJM_Neil> mfa298_ who by?
[19:35] <mattbrejza> only if its an engineering term
[19:35] <fsphil> hehe
[19:35] <x-f> iain_g4sgx, yes, last transmission 17:37 UTC, battery died
[19:35] <GMT> you can swear, but only in hex, and if you provide a valid checksum
[19:35] <fsphil> and mix with a private key
[19:35] <Willdude123> This is <omit word> amazing.
[19:36] <fsphil> there's a nice moon out tonight
[19:36] <fsphil> should show up well if dave's taking photos
[19:37] <lz1dev> a nice <omitted work> moon :)
[19:37] <GMT> Willdude123: now you know how you fixed it, you know what each bit of code does
[19:37] <fsphil> I often omit work
[19:37] <mfa298_m1ari> craag: has the camera so we should have some good pics of balloon (and a plane)
[19:37] <fsphil> or at least I try to
[19:37] <lz1dev> ha
[19:37] <lz1dev> everybody does
[19:37] <fsphil> how off frequency is buzz?
[19:37] <Martin_G4FUI> I have faint traces in the waterfalls from both in Penrith
[19:38] <fsphil> I'm not using the sdr, can't see as much
[19:38] <fsphil> 3khz just isn't enough :)
[19:38] <lz1dev> how much is sdr ?
[19:38] <lz1dev> 3mhz?
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[19:38] <mikestir> ffs there is never anyone on GB3CR, except for right now when it is overloading my poor little sdr
[19:38] <fsphil> fcd++ which I normally use is 192khz
[19:38] <mfa298_m1ari> im on 202 for buzz (keep changing the tuning)
[19:39] <fsphil> if your radio is controlled from hamlib, fldigi can retune for you
[19:39] <Martin_G4FUI> Hearing ZURG the better of the two
[19:39] <lz1dev> fsphil: have you tried sdr on that multi VFO software
[19:39] G4MYS-Andy (5207d160@gateway/web/freenode/ip.82.7.209.96) joined #highaltitude.
[19:39] <fsphil> not yet lz1dev, doesn't work on linux I think
[19:39] <lz1dev> ah yes, its windows only i think
[19:39] <fsphil> I have the ft817 on the yagi array, and I've got the fcd++ on the magmount on the car roof
[19:40] <fsphil> so I may be able to decode both
[19:40] <G4MYS-Andy> Good evening can someone be good enough to give me the link again t o dl-fidgi please Andy
[19:40] <Upu_M0UPU> you sat on your hill fsphil ?
[19:40] <fsphil> Upu_M0UPU: yep. I know it well now
[19:40] <Upu_M0UPU> be a nice evening up there
[19:41] <fsphil> it is! nice and cool, there's a nice breeze
[19:41] <lz1dev> G4MYS-Andy: http://ukhas.org.uk/projects:dl-fldigi
[19:41] <Upu_M0UPU> got those phased yagis up ?
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[19:41] <fsphil> yep. ft817 on those, though about 5m of rg58 which won't help
[19:42] <G4MYS-Andy> with thanks to Lzldev windows 8 is giving me greif!!!
[19:42] <fsphil> I intended to wire the fcd++ with habamp directly into them, but didn't bring a long enough usb extension
[19:43] <iain_g4sgx> Same for me, I'm sat in the garden again, short of coax, nice night for it though..
[19:43] <fsphil> yea. the house was far too hot
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[19:43] <fsphil> I'm mostly up here just to cool down
[19:43] <Martin_G4FUI> 5m isn't too bad, fsphil
[19:43] <fsphil> dave's flight was a nice excuse
[19:44] <Martin_G4FUI> Solid greens here now :)
[19:44] <M0TVU> Nice and strong on both but gobbledy gook
[19:44] <fsphil> oh wow, decodes
[19:45] <fsphil> well below my horizon
[19:45] <rharrison_> ping Upu_M0UPU
[19:45] <Upu_M0UPU> hey rob
[19:45] <Upu_M0UPU> evening
[19:45] <rharrison_> See you're decoding too
[19:45] <Upu_M0UPU> I am yes
[19:45] <rharrison_> On both radios
[19:45] <rharrison_> You on whip?
[19:46] <Upu_M0UPU> I split the signal from my yagi into the 817 and the funcube
[19:46] <fsphil> a very drifty buzz
[19:46] <rharrison_> or 2 yagis
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[19:46] <Upu_M0UPU> just one :)
[19:46] Action: fsphil has two :)
[19:46] <fsphil> though slightly smaller than upu's
[19:47] <Martin_G4FUI> Got sloping ground in front of you fsphil ?
[19:47] <fsphil> Martin_G4FUI: yea, totally clear to the east here
[19:47] <CHRISG7OGX> Upu do you use a stand off bracket with your tagi?
[19:47] <fsphil> Martin_G4FUI: and about 350m asl
[19:47] <Upu_M0UPU> a what ?
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[19:48] <fsphil> signal has faded a bit
[19:48] <G4MYS-Andy> Anyone shed some light on this excuss: Fastlight Digital moden application has stopped working bah bah cant open use Dl fldigi on windows 8 its a brand new machine about to go though house window!
[19:48] <Martin_G4FUI> I believe in Moxon slopes, (as well as Ohm's Law) :)
[19:48] <CHRISG7OGX> my yagi arrived today and i,m trying to avoid the vertical mast
[19:49] <Upu_M0UPU> rharrison_ https://dl.dropboxusercontent.com/u/63720513/Images/HAM/Rotator/IMG_0796.JPG
[19:49] <CHRISG7OGX> there is a right angle bracket available to stand the vertical off from the mast
[19:49] <mfa298_m1ari> G4MYS-Andy: it should work on win8 (at least it does for me)
[19:49] <M0TVU> Aha its RTTYR
[19:49] <M0CJM_Neil> G4MYS-Andy Get shot of windows 8 for a start
[19:49] <Upu_M0UPU> oh I put it on a boom CHRISG7OGX
[19:49] <Upu_M0UPU> counterbalanced with a telescope weight
[19:49] <fsphil> RTTYR is confusing in fldigi
[19:49] <GMT> M0TVU: make sure you are on USB not LSB
[19:49] <fsphil> it's backwards
[19:49] <G8KBV-Dave> G4MYS-Andy: Install in a folder NOT in the Program files structure, Delete any setup files already saved, and try again... >
[19:50] <CHRISG7OGX> lol gotcha Upu_M0UPU
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[19:50] <G4MYS-Andy> Ive an idea something else is preventing operation so far dont like win 8 seems very complex!
[19:50] <rharrison_> Upu_M0UPU, v nice
[19:50] <M0TVU> Is that a setting in FL-DIggi or are you referring to the radio?
[19:50] <G4MYS-Andy> OK dave Ill try the folder idea
[19:50] <GMT> M0TVU: on the radio ... set to USB
[19:50] Nick change: craag -> craag_visually_w
[19:51] <fsphil> nearly
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[19:51] <M0TVU> Even i'm not that bad ...
[19:51] Nick change: craag_visually_w -> craag_canseeball
[19:51] <G4MYS-Andy> its the computer wont open the programme but it did yesterday!!!!
[19:51] <GMT> just checking...
[19:51] <CHRISG7OGX> Upu_M0UPU nice smart brackets
[19:51] Nick change: craag_canseeball -> craag_M0DNY_P
[19:51] <Upu_M0UPU> yeah I have some spare ones if you need some
[19:51] ibanezmatt13 (1f34b59b@gateway/web/freenode/ip.31.52.181.155) joined #highaltitude.
[19:52] <Upu_M0UPU> http://big-marts-brackets.yolasite.com/
[19:52] <Upu_M0UPU> he makes them to order
[19:52] <Upu_M0UPU> the original ones didn't quite stick out far enough
[19:52] <CHRISG7OGX> tks but no good for me live in dormer bungalow so all fixings are into original ground floor wall
[19:52] <ibanezmatt13> Hey Upu_M0UPU - daveake_M6RPI,Pi N Chips up and running transmitting data perfectly! Thank you both so much :)
[19:52] Nick change: fsphil -> fsphil_MI0VIM
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[19:53] <Upu_M0UPU> awesome Matt glad you got it working
[19:53] <Timsu> Anyone of you using a raspberry pi instead of arduino?
[19:53] Action: Upu_M0UPU points at ibanezmatt13
[19:53] <CHRISG7OGX> excellent website that
[19:53] <ibanezmatt13> I am
[19:53] <Timsu> Was it succesful?
[19:53] <fsphil_MI0VIM> yay, decoding
[19:53] <ibanezmatt13> Not launched yet, succesful in testing so far though
[19:54] <GMT> daveake is your man for RPi's - ' success' is something of an understatement
[19:54] <ibanezmatt13> that is correct]
[19:54] <Timsu> What gps module do you plan on using?
[19:54] <ibanezmatt13> I'm using a Ublox Max 6
[19:55] <G8KBV-Dave> G4MYS-Andy: Check in your mydoc's folders, for any 'fldigi setups etc, either delet them, or rename the folder before restarting the program. Running here OK on WIn7 32 bit, even the AZ-EL figures working today. >
[19:55] <G8KBV-Dave> Monster signals from BUZZ.
[19:56] <fsphil_MI0VIM> yea lovely signal here too
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[19:56] Action: fsphil_MI0VIM has the phasing array wired up the right way this time...
[19:56] Lunar_Lander (~gd-compto@p5488841E.dip0.t-ipconnect.de) joined #highaltitude.
[19:56] <Timsu> Ibanezmatt13: thx for your answer :)
[19:56] <Lunar_Lander> hello
[19:56] <M0CJM_Neil> works foine under win 7 32 bit here to but not under prog files
[19:57] <Lunar_Lander> OK people
[19:57] <fsphil_MI0VIM> hello person
[19:57] <Lunar_Lander> did anybody save the B-6 flight track and altitude plot?
[19:57] <Martin_G4FUI> fsphil_MI0VIM, what polarisation?
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[19:57] <ibanezmatt13> Upu_M0UPU: I thought I needed a ribbon cable to test the tracker but I wasn't able to get one today. So I used the most ridiculous initiative of sticking many small pieces of wire together in strange ways to make my own ribbon cable. 19 wire clips, 20 pieces of wire, 5 main wires. :)
[19:57] <fsphil_MI0VIM> Martin_G4FUI: vertical
[19:57] <Upu_M0UPU> ibanezmatt13 if it works... :)
[19:58] <ibanezmatt13> Yep, only for testing though :)
[19:58] <Martin_G4FUI> tnx, are you able to rotate the polarisation?
[19:58] <fsphil_MI0VIM> Martin_G4FUI: yea I think so
[19:58] <mattbrejza> Lunar_Lander: http://habitat.habhub.org/habitat/_design/ept/_list/csv/payload_telemetry/flight_payload_time?include_docs=true&startkey=[%222d028a45cca5ee334e756b3523d5830c%22,%222d028a45cca5ee334e756b3523d56cbb%22]&endkey=[%222d028a45cca5ee334e756b3523d5830c%22,%222d028a45cca5ee334e756b3523d56cbb%22,[]]&fields=time,latitude,longitude
[19:58] <Martin_G4FUI> interested to know if it makes much difference ...
[19:59] <ibanezmatt13> Timsu: Have you launched before?
[19:59] <mattbrejza> and http://www.gpsvisualizer.com/
[19:59] <Lunar_Lander> thanks mattbrejza
[19:59] <fsphil_MI0VIM> really strong signal from buzz now
[19:59] <Timsu> ibanezmatt13: no, i'm still planning. Do you use an external gps antenna?
[20:00] <fsphil_MI0VIM> still not showing anything in the S meter though
[20:00] <Maxell> Herman-PB0AHX: still nothing?
[20:00] <ibanezmatt13> Yeah, I'm gonna be using an active antenna as I had a slight problem with one of my other ones (kinda snapped it) :P
[20:00] <Martin_G4FUI> I'm sticking with ZURG, my multitasking abilities are overstretched as it is !!
[20:00] <fsphil_MI0VIM> lol
[20:00] <Upu_M0UPU> Timsu you can use this : http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=51
[20:00] <Upu_M0UPU> it has serial and SDA/SCL
[20:00] <CHRISG7OGX> do you need two rxs for that?
[20:01] <fsphil_MI0VIM> in theory youcan use one if the bandwidth is wide enough
[20:01] <fsphil_MI0VIM> the fcd++ could decode both these with appropriate software
[20:01] <G4MYS-Andy> Mfa 298 well I guess Ill have to take it into work and let the experts try! ive deleted and reput it in and still excusses!
[20:01] <fsphil_MI0VIM> receive*
[20:01] <mfa298_m1ari> camera mobile with a sunset https://www.dropbox.com/s/mepjv9dmrp965w6/2013-07-17%2020.53.09.jpg
[20:01] <Timsu> Thanks for the help.
[20:02] <fsphil_MI0VIM> I just realised it'll be quite dark when I'm packing up
[20:02] <M0CJM_Neil> nice mfa298_m1ari
[20:02] Action: fsphil_MI0VIM needs an upu-approved illumination device
[20:02] <x-f> nice picture, mfa298_m1ari
[20:02] <G8KBV-Dave> G4MYS-Andy: get onto the WinFlDigi list on Yahoo and ask there, lots of expertise, including the main Fldigi author (that Dl-Fldigi is based on) Others have had those problems, and solved them. >>
[20:03] <Upu_M0UPU> trying to take pics of the balloon mfa298_ ?
[20:03] <x-f> can you see the balloon?
[20:03] [1]iain_g4sgx (~yahalimu@87.115.94.72) joined #highaltitude.
[20:03] <Upu_M0UPU> oh thats your call sign!
[20:03] <Upu_M0UPU> *CLICK*
[20:03] <mfa298_m1ari> Upu_M0UPU: we've got some good pics of the balloon
[20:03] <Upu_M0UPU> awesome
[20:03] <mfa298_m1ari> (we hope)
[20:03] <CHRISG7OGX> yes 192Khz with FCD pro plus but two DLFldigis??
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[20:03] <craag_M0DNY_P> Yeah bit hard to tell
[20:03] <Martin_G4FUI> fsphil_MI0VIM, you allowed out at night?
[20:04] <craag_M0DNY_P> But I reckon better than saturday
[20:04] <Upu_M0UPU> whats the zoom on that lense 300 mm ?
[20:04] <craag_M0DNY_P> 500mm
[20:04] <Upu_M0UPU> nice :)
[20:04] <fsphil_MI0VIM> Martin_G4FUI: what's the worst that could happen...
[20:04] <Upu_M0UPU> you do know Dave has a glamour model with him ?
[20:04] <fsphil_MI0VIM> lol
[20:04] <Upu_M0UPU> you need to point it at her
[20:04] <gonzo___> has the b6 dropped off spacenear?
[20:04] <fsphil_MI0VIM> yea
[20:04] <Upu_M0UPU> yes I had to clear it
[20:04] <fsphil_MI0VIM> it was a bit too many points
[20:04] <craag_M0DNY_P> Erm it'll only do part of her unless I'm 100m away...
[20:05] <gonzo___> too many datapoints?
[20:05] <fsphil_MI0VIM> we've never had a 3 day flight before
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[20:05] <gonzo___> rr
[20:05] <CHRISG7OGX> mfa298 do you pay for dropbox?
[20:05] <mfa298_m1ari> CHRISG7OGX: got lots of storage with my htc phone for a couple of years
[20:06] <CHRISG7OGX> if you do does it appear as, "file sharer" on your bank statement?
[20:06] <mfa298_m1ari> does anyone actually pay for dropbox storage ?
[20:06] <CHRISG7OGX> i have htc one being repaired although dthik i will get a new one mforgot that offer!
[20:07] Timsu (5f5b4b30@gateway/web/freenode/ip.95.91.75.48) left irc: Quit: Page closed
[20:07] <fsphil_MI0VIM> very few things on the internet I'd pay for
[20:07] JDat (JDat@89.248.91.5) joined #highaltitude.
[20:07] <fsphil_MI0VIM> used to pay for flickr, but no point now it's free
[20:07] <JDat> hello!
[20:08] <GMT> hello JDat
[20:08] <JDat> any live news regarding zurg ans buzz ?
[20:08] <GMT> they're both flying now
[20:08] <Herman-PB0AHX> Ge to all
[20:08] <CHRISG7OGX> they're up and talking!
[20:08] <fsphil_MI0VIM> they are mortal enemies, fighting an epic battle at 20km
[20:08] <GMT> both launched just after 8pm local
[20:09] <JDat> what about RPI un M6chase? RaspberryPi is working on chase car ?
[20:09] <fsphil_MI0VIM> the raspberry pi is just a bit underpowered to run fldigi sadly
[20:09] <fsphil_MI0VIM> though hopefully it'll work in future
[20:10] <M0CJM_Neil> !! Wow, something the Pi wont do??
[20:10] <CHRISG7OGX> upu big mart's brackets recognise him now have two of his brackets on the wall great product
[20:10] <fsphil_MI0VIM> M0CJM_Neil: it had to happen
[20:10] <mikestir> it may run my websdr when it's finished. I've made a particular point of not using double-precision floats
[20:10] <Upu_M0UPU> yeah he's a nice chap
[20:10] <Upu_M0UPU> JDat its battery ran out
[20:11] <CHRISG7OGX> his wife extracting urine on the phone to me saying he was allways playing in the garage - looks like he is doing well nice to see
[20:11] <Upu_M0UPU> yeah
[20:11] <daveake> Please all keep an eye on the BUZZ telemetry
[20:11] <Upu_M0UPU> oh yes
[20:11] <Upu_M0UPU> watch BUZZ telemetry :)
[20:11] <daveake> Especially at 25km and 28km on the way up, and 25 again on the way down .....
[20:11] <M0CJM_Neil> ok we are watching dave
[20:11] <daveake> I'm home atm; off in the car now
[20:11] <daveake> bb
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[20:12] <fsphil_MI0VIM> buzz signal getting weaker here
[20:12] <Willdude123> Hi.
[20:12] <Willdude123> So pleased my code is working.
[20:12] oldswl (~stephen@host217-34-45-72.in-addr.btopenworld.com) joined #highaltitude.
[20:12] <mikestir> did you get crcmod to install?
[20:12] <CHRISG7OGX> Zurg very strong a real threat to buzz!
[20:12] <Willdude123> Yes.
[20:12] <fsphil_MI0VIM> "Buzz, *I* am your father."
[20:13] <Willdude123> Upu_M0UPU: Just to be sure, I can use 3v3 on the breakout board if I power it with 3v3?
[20:13] <Upu_M0UPU> Willdude123 you need to apply 5V to the power
[20:13] Craig___ (76d29244@gateway/web/freenode/ip.118.210.146.68) joined #highaltitude.
[20:13] <CHRISG7OGX> LOL have autistic son here and can go on mastermind at anytime!
[20:13] <Upu_M0UPU> but you can then use those 3VTX and 3VRX at the side
[20:13] <Martin_G4FUI> I haven't had to tweak the tuning once yet since acquisition
[20:13] <Upu_M0UPU> GND to GND
[20:14] <Willdude123> I didn't see that.
[20:14] <fsphil_MI0VIM> fldigi has retuned my radio about 4 times since I started with buzz
[20:14] <CHRISG7OGX> martin are you using AFC?
[20:14] <Willdude123> I take it I'll need to solder some headers onto it.
[20:14] <Upu_M0UPU> at the size of the PCB are 2 extra pins
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[20:14] <Upu_M0UPU> those go direct to ublox 3V RX & TX
[20:14] <Upu_M0UPU> but you still need to power it
[20:14] <Martin_G4FUI> On FLdigi yes, I using HDSDR with my FCDPP
[20:14] <CHRISG7OGX> anyone linked SDR Console with DFfldigi?
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[20:15] <Willdude123> But I need to solder headers to them
[20:15] <M0CJM_Neil> i cant get fl digi to talk to my TS2000
[20:15] <Willdude123> Or something.
[20:15] <Willdude123> Yeah, I do.
[20:15] iain_g4sgx (~yahalimu@87.115.94.72) joined #highaltitude.
[20:15] <Upu_M0UPU> hey rharrison_ good to see you on the receiver lists :)
[20:15] <Geoff-G8DHE-M> CHRISG7OGX, yup Iam
[20:15] <rharrison_> Upu_M0UPU, cheers
[20:16] <Upu_M0UPU> any pics from the other day ?
[20:16] <CHRISG7OGX> kenwood ts 2000 is in Hamlib of fldigi
[20:16] <Upu_M0UPU> looked like a nice place to land
[20:16] <Willdude123> Might be a bit expenive.
[20:16] <Willdude123> Well, to pay for postage.
[20:16] Craig___ (76d29244@gateway/web/freenode/ip.118.210.146.68) left irc: Client Quit
[20:16] <CHRISG7OGX> lost Zurg
[20:16] <Martin_G4FUI> ZURG gone
[20:16] <rharrison_> http://www.flickr.com/photos/30721501@N05/sets/72157634671514508/ a couple here
[20:16] <M0CJM_Neil> CHRISG7OGX Yeah I saw it in there but seemed flaky and didnt seem to work right
[20:16] <fsphil_MI0VIM> he's been defeated?!
[20:16] <Willdude123> Upu_M0UPU: I will have to order some headers, which size o I need?
[20:16] <Herman-PB0AHX> zurg is gone here
[20:16] <CHRISG7OGX> yes it does say Beta
[20:16] <Upu_M0UPU> haha you did a Tardis :)
[20:17] <fsphil_MI0VIM> TARDIS *nerd-ahem*
[20:17] <Willdude123> Upu_M0UPU: Could I solder jumper wires to them?
[20:17] <CHRISG7OGX> tried XML file?
[20:17] <M0CJM_Neil> looks like they have seperated
[20:17] G0LFP-Steve (d9926e2a@gateway/web/freenode/ip.217.146.110.42) joined #highaltitude.
[20:17] <Martin_G4FUI> QSY to BUZZ, much weaker and less stable
[20:17] vladimirek (~vladimire@95.105.250.72) left irc: Ping timeout: 264 seconds
[20:17] <Upu_M0UPU> you can solder to them yes
[20:17] <craag_M0DNY_P> Getting beeps off zurg
[20:17] <craag_M0DNY_P> Nothing more
[20:18] <PE2G> BUZZ at 560 km, elev -0.3. Which is nice.
[20:18] <PE2G> http://s21.postimg.org/zf60nw7fr/Screen971.jpg
[20:18] <CHRISG7OGX> Buzz wavy but strong
[20:18] <fsphil_MI0VIM> beats me PE2G, 513.8km
[20:19] <CHRISG7OGX> Geoff-G8DHE-M connected via VAC?
[20:19] <PE2G> fsphil_MI0VIM: 513 km, nice as well :)
[20:20] <CHRISG7OGX> Geoff-G8DHE-M sorry Geoff i have audio connection was thinking of rig control
[20:20] <Geoff-G8DHE-M> Yes connect via VAC works well for me
[20:21] <PE2G> fsphil_MI0VIM: below the horizon?
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[20:21] <fsphil_MI0VIM> PE2G: it was when I first got it, -0.7
[20:21] <fsphil_MI0VIM> currently 0.2
[20:21] <Geoff-G8DHE-M> SDR-Console will allow some remote controls in the latest version but not via anhting that fldigi uses it seems :-9
[20:22] <PE2G> fsphil_MI0VIM: That beats me: was -0.4 here
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[20:22] <CHRISG7OGX> shame looking forward to 26 july full release
[20:22] <fsphil_MI0VIM> PE2G: to be fair I'm quite high up here. 350m asl
[20:22] <G0LFP-Steve> Zurg returns
[20:22] <G8KNN> ZURG back
[20:22] <fsphil_MI0VIM> noooo!
[20:22] Geoff-G8DHE-M (~Geoff-G8D@212.183.128.227) joined #highaltitude.
[20:22] <Geoff-G8DHE-M> Zurgs come back
[20:22] <fsphil_MI0VIM> I mean, phew!
[20:23] <rharrison_> opp zurg died
[20:23] <CHRISG7OGX> Zurg re fuelled rearmed...
[20:23] <PE2G> fsphil_MI0VIM: You're looking down at the balloons :)
[20:23] <fsphil_MI0VIM> lol
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[20:23] <fsphil_MI0VIM> if I could see more than 20km maybe
[20:23] <SP9UOB-Tom> time to sleep - night all
[20:23] <fsphil_MI0VIM> it's really hazy
[20:23] <fsphil_MI0VIM> nite SP9UOB-Tom!
[20:23] SP9UOB-Tom (~verox@matrix.verox.pl) left irc: Quit: night all
[20:23] <G0LFP-Steve> Zurg data useless though
[20:23] <M0CJM_Neil> Nite Tom
[20:23] <fsphil_MI0VIM> I can see lough neagh, just about
[20:24] <fsphil_MI0VIM> it's about 20/25km from here
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[20:24] <CHRISG7OGX> watering flowers BRB
[20:25] Action: fsphil_MI0VIM just realises he can jam an awful lot of 434mhz car keys from up here
[20:25] <CHRISG7OGX> freq jump
[20:25] <Upu_M0UPU> zerg back
[20:25] <G0LFP-Steve> zerg now has GPS and good data :-)
[20:25] <fsphil_MI0VIM> his evil plan must not succeed!
[20:25] <fsphil_MI0VIM> he now has satellite technology
[20:25] <fsphil_MI0VIM> anything is possible
[20:25] <Martin_G4FUI> Sorry, it was my fault, I had just commented on how stable ZURG was and . . .
[20:26] <fsphil_MI0VIM> the voltage on my FT817 is dropping annoyingly fast
[20:26] <fsphil_MI0VIM> 9.4V, was 9.8V a few minute sago
[20:26] <Upu_M0UPU> internal pack is crap
[20:26] <Upu_M0UPU> Yaesu are missing a trick with the 817 they need to make an 817II
[20:27] <fsphil_MI0VIM> I've an sla in the boot, will dig it out
[20:27] <fsphil_MI0VIM> coming up on 25km
[20:27] <fsphil_MI0VIM> buzz may have something to say
[20:27] <Upu_M0UPU> yes watch telemetry :)
[20:27] <M0CJM_Neil> watchinmg
[20:27] <GMT> crappy sigs from BUZZ at the mo
[20:28] <fsphil_MI0VIM> nice
[20:28] <Upu_M0UPU> lol
[20:28] <M0CJM_Neil> pmsl :-)
[20:28] <Wouter-[pa3weg]1> Hi all
[20:28] <Wouter-[pa3weg]1> back " keyboard
[20:28] <Upu_M0UPU> hi Wouter
[20:28] daveake_M6RPI (~Dave@188.29.154.180.threembb.co.uk) joined #highaltitude.
[20:28] <fsphil_MI0VIM> re
[20:28] <G8KBV-Dave> fsphil: you forgot "shoot to kill".
[20:28] <fsphil_MI0VIM> G8KBV-Dave: not me :) blame daveake_M6RPI :)
[20:29] <M0CJM_Neil> Has ZURG died?
[20:29] <mikestir> buzz fading here
[20:29] DL7AD (42f96424@gateway/web/freenode/ip.66.249.100.36) left irc: Ping timeout: 250 seconds
[20:29] <Wouter-[pa3weg]1> Tracking again, which one needs tracking the most?
[20:29] <fsphil_MI0VIM> faded a bit here too
[20:29] daveake_ (~Dave@188.29.154.180.threembb.co.uk) left irc: Read error: Connection reset by peer
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[20:29] <Wouter-[pa3weg]1> BUZZ loud here
[20:29] <Upu_M0UPU> go on Buzz Wouter telemetry is more amusing
[20:29] <Wouter-[pa3weg]1> OK
[20:29] <fsphil_MI0VIM> that's never been said before
[20:29] <fsphil_MI0VIM> ever
[20:29] <Upu_M0UPU> $$BUZZ,1130,20:27:43,51.42424,-1.42769,24960,39,276,12*4484
[20:29] <Upu_M0UPU> I am Buzz Lightyear. I come in peace.
[20:29] <Upu_M0UPU> $$BUZZ,1132,20:28:03,51.42487,-1.42856,25059,11,82,12*8BB9
[20:29] <Nerdsville> lol nice on on the telemetry! ;-)
[20:30] <fsphil_MI0VIM> hmm.. 9.5V on the SLA
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[20:30] <G8KBV-Dave> What RF power do those things run?
[20:30] <Upu_M0UPU> 10mW G8KBV-Dave
[20:30] <fsphil_MI0VIM> just 10mw G8KBV-Dave
[20:31] <JDat> and what antennas they have?
[20:31] <Upu_M0UPU> 1/4 wave
[20:31] <fsphil_MI0VIM> it's so little I can't use a capital W for watt
[20:31] <Upu_M0UPU> usually
[20:31] <Upu_M0UPU> though I think ZERB may be on a stub
[20:31] <M0CJM_Neil> "Amusing Teletry" two words I would never have expected to see together :-)
[20:31] <Upu_M0UPU> one of these is on a stub
[20:31] <JDat> 1/4 ground plane?
[20:31] <Upu_M0UPU> yes
[20:31] <Upu_M0UPU> just upside down hanging from the payload generally
[20:31] <LazyLeopard> Hmmm... Chase car achieved an interesting altitude just then...
[20:31] <JDat> they should work
[20:31] <GMT> ping UPU
[20:32] <Upu_M0UPU> they do and quite well
[20:32] <Upu_M0UPU> hi GMT
[20:32] <JDat> it is possible to receuve on 600 km with ground plane and 10 mW xmit
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[20:32] <Upu_M0UPU> JDat we've seen 800km
[20:32] Action: fsphil_MI0VIM is receiving right now 511km away
[20:32] <JDat> another ideas why there are problems with signal?
[20:32] <Upu_M0UPU> generally its the horizon that gets in the way
[20:32] <Upu_M0UPU> local QRM
[20:32] <fsphil_MI0VIM> though at this distance, you need quite a good antenna and flat horizon
[20:32] <Martin_G4FUI> Getting ZURG well again now, anyone want to hazard a guess as to what the problem is?
[20:32] <Upu_M0UPU> ZERG died again
[20:32] <Wouter-[pa3weg]1> 409 km, SNR +29dB
[20:33] <GMT> Anthony: a friend is involved in the radio side of the Air Training Corps... they have assigned freqs they can 'do anything they like' with them; he says they could do a 5W VHF flight
[20:33] <Upu_M0UPU> looks like a power issue Martin_G4FUI
[20:33] <JDat> why zerg is died? any ideas?
[20:33] <Upu_M0UPU> its pulsing on and off
[20:33] <Upu_M0UPU> not sure JDat
[20:33] <JDat> bad soldering?
[20:33] <Herman-PB0AHX> zurg agn down here
[20:33] <Martin_G4FUI> Possibly rebooting?
[20:33] <Upu_M0UPU> it is rebooting
[20:33] <Maxell> yeah
[20:34] <Upu_M0UPU> keep getting pulses of carrier
[20:34] <Martin_G4FUI> Dodgy battery connection ...
[20:34] <JDat> why rebooting? bad F/W? H/W problems?
[20:34] <PE2G> QRM near BUZZ's freq, but still greens
[20:34] <Upu_M0UPU> h/w issues I suspect JDat
[20:35] <JDat> dohh. battery connectors. use "remove befoe fly" stickers and military contacts
[20:35] <Upu_M0UPU> well solder usually JDat
[20:35] <Herman-PB0AHX> last contakt was 407,7 km from me to zurg
[20:35] <Maxell> yeah. it's breoken
[20:35] <Maxell> G$4,00:00:00,0.00000,0.00000,00000,0,0,0*8AE6
[20:35] <Maxell> $$ZURG,5,00:00:00,0.00000,0.00000,00000,0,0,0*6E7D
[20:35] <Maxell> $$ZURG,6,00:00:00,0.00000,0.00000,00000,0,0,0*53F1
[20:35] <Wouter-[pa3weg]1> I only do remove before launch tags ;)
[20:35] <Upu_M0UPU> what frequency ?
[20:36] <Maxell> $$ZURG,17,20:24:48,0.00000,0.00000,00000,0,0,0*6309
[20:36] <Maxell> $$ZURG,18,20:24:59,51.42228,-1.41247,24090,18,284,8*4373
[20:36] <Maxell> heh
[20:36] <Upu_M0UPU> what frequency Maxell ?
[20:36] <PE2G> BUZZ 434.203
[20:37] <Maxell> Thats old.
[20:37] <G4MYS-Andy> ZURG seems to have gone QRT qsyed to BUZZ to provide tracking data Andy
[20:37] <Maxell> It still has to boot.
[20:37] <Upu_M0UPU> ok so not rxing it now ?
[20:37] <fsphil_MI0VIM> muhahaha
[20:37] <Wouter-[pa3weg]1> Wow, I can see B-6 from here!
[20:37] <LazyLeopard> Heh!
[20:37] <Herman-PB0AHX> zurg on 434.305.3 here but now down
[20:38] <Wouter-[pa3weg]1> Setting my laser from stun to kill.
[20:38] <Wouter-[pa3weg]1> HAHA
[20:38] <JDat> hmmm. sounds like bad f/w or h/w design...
[20:38] <Maxell> :P
[20:38] <Herman-PB0AHX> telescpic eyes wouter
[20:38] <G0LFP-Steve> I'm getting occasional beeps. Weak but still there!
[20:38] <Upu_M0UPU> JDat its possibly power issue, the design has flown many times
[20:38] <Upu_M0UPU> not saying its perfect but this would be the first on that failed
[20:38] <Upu_M0UPU> also the firmware has flown many times
[20:38] <Maxell> no Herman-PB0AHX
[20:38] <Maxell> $$BUZZ,1178,20:37:21,51.41539,-1.50383,27988,50,264,11*F04C
[20:38] <Maxell> Wow, I can see B-6 from here! Setting my laser from stun to kill.
[20:38] <Maxell> $$BUZZ,1180,20:37:46,51.41445,-1.50802,28142,31,244,11*C2E7
[20:39] <mattbrejza> blame the rfm
[20:39] <Upu_M0UPU> yeah could be that
[20:39] <mattbrejza> (should use cc1101 :P)
[20:39] <Upu_M0UPU> yeah whatever :)
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[20:40] <Wouter-[pa3weg]1> http://pa3weg.nl/wordpress/wp-content/uploads/2013/07/BUZZ-TLM.jpg
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[20:40] <JDat> solder all wires carefully. no additional contacts or sockets
[20:40] <JDat> to apply power use car fuse holders
[20:40] <JDat> http://uk.farnell.com/littelfuse/03460877h/fuse-holder-6-3-x-32mm-panel-mount/dp/1355510
[20:41] <JDat> additionaly secure all solder points with cutton
[20:42] <JDat> fuseholder+fuse can work ar heavy dutty switch for power
[20:42] <CHRISG7OGX> strong sigs but deep fading with BUZZ
[20:42] <Maxell> http://www.imdb.com/title/tt0114709/quotes expect more :P
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[20:42] <ibanezmatt13> Upu_M0UPU: Do they do a version of that Diamond MR77 with a BNC connector or will I have to get a different model?
[20:43] <Upu_M0UPU> you can just use a small adaptor
[20:43] <ibanezmatt13> Ah right, didn't think of that. Thanks
[20:43] <depip> ZURG is still strong in SW London
[20:43] <Upu_M0UPU> http://www.ebay.co.uk/itm/BNC-M-to-SMA-F-Radio-Antenna-Coax-Adapter-Kenwood-Cable-/270713377140?pt=UK_Mobile_Phones_Communication_Radio_Antennas&hash=item3f07c65174
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[20:44] <ibanezmatt13> Thanks Upu_M0UPU
[20:44] <fsphil_MI0VIM> there are adaptors for everything
[20:45] <Maxell> adaptor with coax is called pigtail
[20:45] <Maxell> fyi
[20:45] <fsphil_MI0VIM> or "that cable I keep losing"
[20:45] <mattbrejza> fsphil_MI0VIM: http://www.amazon.co.uk/HDMI-Male-SVGA-Converter-Cable/dp/B003X924P4/ref=sr_1_2?ie=UTF8&qid=1374093914&sr=8-2&keywords=vga+hdmi
[20:45] <mattbrejza> even when there shouldnt be
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[20:45] <CHRISG7OGX> http://www.ebay.co.uk/itm/70CM-HAM-BAND-435MHZ-MICRO-MAGMOUNT-MOBILE-ANTENNA-BNC-SMA-PLUGS-/310344902855
[20:46] <ibanezmatt13> Will the antenna be a male SMA plug? Possibly a stupid question
[20:46] <fsphil_MI0VIM> haha
[20:46] <CHRISG7OGX> you lose quite a bit with adapters though
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[20:47] <rharrison_> any one watching zurg
[20:47] <Willdude123> Hi ibanezmatt13
[20:47] <ibanezmatt13> Hi Willdude123
[20:47] <Willdude123> ibanezmatt13: I got RTTY with checksums working on my BBB
[20:48] <Upu_M0UPU> looking for it rharrison_
[20:48] <fsphil_MI0VIM> just buzz here
[20:48] <Upu_M0UPU> think the TX has packed up
[20:48] <Upu_M0UPU> or the tracker entirely
[20:48] <Upu_M0UPU> suspect a power issue as it reset before
[20:48] <ibanezmatt13> Willdude123: Excellent :
[20:48] <ibanezmatt13> :)
[20:48] <CHRISG7OGX> maybe the uni directional bonding strip failed
[20:49] <Martin_G4FUI> Possibly the descent might frighten it into operation!
[20:49] <Willdude123> ibanezmatt13: When you planning to launch?
[20:49] <fsphil_MI0VIM> 32km
[20:49] <ibanezmatt13> I think August 17th
[20:49] <mikestir> ibanezmatt13: did you get permission for up north, or are you going to cambridge?
[20:49] <ibanezmatt13> Doing it down at Cambridge mikestir
[20:49] <Upu_M0UPU> oh reminds me rharrison_ we got permission to launch from Beckfoot School 2 mins from my work
[20:49] <mikestir> the school I'm helping out with the electronics didn't get any response from the CAA and have had to postpone until september
[20:50] <rharrison_> What size ballons are in play?
[20:50] <Upu_M0UPU> no idea but suspect 1200g or 1000g
[20:50] <rharrison_> 1600 800g?
[20:50] <Upu_M0UPU> doubt he's using a bad boy
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[20:50] <ibanezmatt13> I'm looking to get a Diamond MR77SMA but I can't find anywhere that sells it strangely
[20:50] <rharrison_> hence the low burst calc
[20:50] <Upu_M0UPU> www.radioworld.co.uk
[20:50] <Upu_M0UPU> well I just set 32km
[20:51] <Upu_M0UPU> as I didn't know, it will probably be 35-36
[20:51] <fsphil_MI0VIM> lol
[20:51] <Upu_M0UPU> I doubt he's using a 1600g
[20:51] <ibanezmatt13> Ah got it now, thanks
[20:51] <CHRISG7OGX> ibanezmatt13 look here for bnc http://www.ebay.co.uk/itm/70CM-HAM-BAND-435MHZ-MICRO-MAGMOUNT-MOBILE-ANTENNA-BNC-SMA-PLUGS-/310344902855
[20:51] <fsphil_MI0VIM> burst
[20:51] <Upu_M0UPU> yep
[20:51] <CHRISG7OGX> yarp
[20:51] <rharrison_> yep
[20:51] <fsphil_MI0VIM> right, I'm packing up the antenna before it gets dark
[20:51] <ibanezmatt13> CHRISG7OGX: I'll take a look
[20:51] <Upu_M0UPU> ok
[20:52] <CHRISG7OGX> where are you mid atlantic? dark here!
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[20:52] <fsphil_MI0VIM> CHRISG7OGX: n.ireland, we're about 30 minutes behind
[20:52] <CHRISG7OGX> LOL
[20:52] <fsphil_MI0VIM> it's still fairly bright
[20:52] <rharrison_> 30 years or 30 mins :-)
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[20:52] <fsphil_MI0VIM> rharrison_: belfast is 30 years :)
[20:53] <rharrison_> lol
[20:53] <CHRISG7OGX> also it is cloudy here
[20:53] Action: fsphil_MI0VIM is tempted to swing the yagi's around to the moon
[20:53] <fsphil_MI0VIM> anyone doing EME tonight? :)
[20:53] <GMT> now I'm getting BUZZ again
[20:53] <Geoff-G8DHE-M> very clear down here, but both signals fading fast
[20:54] <mikestir> all over the place here
[20:54] <rharrison_> are buz and xurg tied together ?
[20:54] <Maxell> Wouter-[pa3weg]1 and Herman-PB0AHX are credit to the trackers
[20:54] <CHRISG7OGX> will gradually slight movement to the right as it descends
[20:54] <Geoff-G8DHE-M> rharrison_,Yup
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[20:54] <Upu_M0UPU> haha
[20:54] <GMT> "this is falling"!
[20:54] <Wouter-[pa3weg]1> haha
[20:54] <junderwood> This isn't flying, this is falling with style!
[20:55] <Maxell> flawless decoding when the payload is rapidly falling with style back to the earth!
[20:55] <LazyLeopard> Bonus points for the quips ;)
[20:55] <junderwood> It's the only error-free string I've had since burst
[20:56] <Wouter-[pa3weg]1> http://pa3weg.nl/wordpress/wp-content/uploads/2013/07/BUZZ-TLM2.jpg
[20:56] <LazyLeopard> ...and the only one without a checksum. ;)
[20:56] <junderwood> Checksum not necessary. Grammar checker is sufficient
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[20:57] <LazyLeopard> ...and the odd speeling error goes unnotcied.
[20:57] <Upu_M0UPU> other payload not come to life
[20:57] <Upu_M0UPU> haha
[20:58] <Upu_M0UPU> $$BURP!279,20:57:44,51.39389,-1.71476,19608,39,190,11*4F53
[20:58] <LazyLeopard> ;)
[20:58] <Upu_M0UPU> small things..
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[21:00] <Wouter-[pa3weg]1> right, so it is every 10 mins on the 5 minute mark
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[21:02] <junderwood> Buzz must be getting quite dizzy by now ...
[21:02] <CHRISG7OGX> all reds here
[21:02] <junderwood> two strings since burst
[21:03] <Upu_M0UPU> not the cleanest signal
[21:03] <Wouter-[pa3weg]1> mhhh.....QRM messing it up
[21:03] <junderwood> fading and drifting
[21:04] <Wouter-[pa3weg]1> yay, green
[21:04] <Wouter-[pa3weg]1> stay green for 1 more minute please....
[21:04] <fsphil_MI0VIM> had it on the magmount for a while, totally gone now
[21:04] <Wouter-[pa3weg]1> local QRM#!%!@)@^^@%#
[21:04] <fsphil_MI0VIM> no zurg, urg
[21:05] <junderwood> daveake_M6RPI, what parachute are you using?
[21:05] <junderwood> ... I want to make sure I never use the same one
[21:05] <Herman-PB0AHX> here also qrm but i go to writing delfi gn to all and tnx
[21:05] <M0CJM_Neil> Night all, I need sleep!
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[21:05] <CHRISG7OGX> ditto g night all
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[21:06] <Wouter-[pa3weg]1> nite nite
[21:06] <daveake_M6RPI> junderwood, 41" spherachute
[21:06] <Wouter-[pa3weg]1> new joke on the 5 mins mark?
[21:06] <junderwood> Thanks. It's blacklisted :)
[21:06] <Wouter-[pa3weg]1> lost decode here
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[21:06] <LazyLeopard> Yeah, it's definitely having fun spinning...
[21:06] <Upu_M0UPU> it was on altitude Wouter-[pa3weg]1
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[21:06] <Wouter-[pa3weg]1> ah, OK
[21:06] <Wouter-[pa3weg]1> clever
[21:06] <mclane> What happened to b6?
[21:07] <Wouter-[pa3weg]1> seemed like every xyz minutes
[21:07] <Upu_M0UPU> battery died mclane
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[21:08] <mclane> But probably still floating above Paris?
[21:08] <LazyLeopard> Only lasted 71 hours.
[21:08] <junderwood> Doppler shift of about 10 Hz = 7m/s.
[21:08] <Wouter-[pa3weg]1> probably ingested by an aircraft engine..?
[21:08] <junderwood> which means it is coning round at about 45 deg
[21:09] <LazyLeopard> Wonder whether a lump of latex is helping that?
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[21:09] <Upu_M0UPU> only :)
[21:09] <LazyLeopard> ;)
[21:09] <mclane> amazing!
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[21:16] <mikestir> who was it I was chatting with about jpeg cmos cameras the other week?
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[21:23] <Upu_M0UPU> update from Leo http://www.leobodnar.com/balloons/B-6/
[21:24] <G8KBV-Dave> BUZZ signal going into the noise now.
[21:25] <arko> nice!
[21:26] <G0LFP-Steve> Gone here too..
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[21:28] <junderwood> and gone here
[21:28] GMT (~GMT@cpc15-haye15-2-0-cust426.17-4.cable.virginmedia.com) left irc:
[21:28] <junderwood> almost got the string at 751 m
[21:29] <G8KBV-Dave> Thats it, barely visible in the waterfall now, no decodes worth noticing.
[21:29] <junderwood> Should be an easy recovery
[21:29] <G8KBV-Dave> totally gone. Nice flight guys.
[21:30] <junderwood> Now, where is B-7?
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[21:31] <x-f> nice, Stratodean will be giving a presentation at the AMSAT-UK colloquium on Saturday
[21:32] <x-f> http://amsat-uk.org/2013/07/17/team-stratodean-high-altitude-balloon-talk/
[21:32] <G8KBV-Dave> Hope you got a flashing light on it, it's dark out there now. 73. >><<
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[21:33] <daveake_M6RPI> OK about to set off. Phil/Mikeare coming along too.
[21:34] <arko> good luck!
[21:34] <x-f> good luck with the recovery
[21:34] <arko> hoping for no tree :)
[21:35] <arko> oh looks like a big field
[21:35] <Wouter-[pa3weg]1> yup, I lured them into that talk....
[21:35] <G8KBV-Dave> Bye..
[21:35] <arko> who do you guys ask for permission to go onto the land?
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[21:36] <arko> glad you aren't flying in texas where they shoot you for being on the property
[21:36] <x-f> wonder, if craag and mfa298 managed to spot the balloon after sunset on the ground
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[21:38] <mfa298_m1ari> x-f: couldn't see it after burst (just as daveake reached us
[21:38] <x-f> but you did before?
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[21:39] <Upu_M0UPU> any decent pics mfa298 ?
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[21:41] <Upu_M0UPU> cheers for the link Leo
[21:41] <Wouter-[pa3weg]1> anyone else going to the AMSAT-UK Colloquium?
[21:41] <arko> what happen to ZURG?
[21:42] <Upu_M0UPU> not sure
[21:42] <Upu_M0UPU> I'll be interested to know as its a PAVA board
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[21:43] <arko> ohh
[21:43] <arko> weird
[21:43] <Upu_M0UPU> yeah looks like power issue as it rebooted
[21:43] <Upu_M0UPU> hopefully daveake will recover so we can work out why
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[21:45] <arko> ah
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[21:46] <LeoBodnar> How do you know? :) Upu_M0UPU
[21:47] <LeoBodnar> I have posted some progress report on B-6 here: http://leobodnar.com/balloons/B-6/
[21:47] <LeoBodnar> Let me know if I need to add, delete or correct anything. Thanks again to all who pressed on!
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[21:50] <arko> great write up LeoBodnar
[21:51] <KT5TK_QRL> Just wanted to say the same. Now he disappeared...
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[21:52] <Upu_M0UPU> he's probably soldering up a new payload to launch
[21:52] <arko> B-7 is going around the world
[21:53] Nick change: G0TDJ_AFK -> G0TDJ_Steve
[21:53] <G0TDJ_Steve> Good Evening Guys
[21:54] <Upu_M0UPU> evening
[21:54] <G0TDJ_Steve> Hi Tony
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[21:54] <G0TDJ_Steve> What's Zurg's freq?
[21:54] <Lunar_Lander> hm sad
[21:55] <Upu_M0UPU> all down now G0TDJ_Steve
[21:55] <Lunar_Lander> Google Maps can't display the full B-6 flight for some reason
[21:55] <G0TDJ_Steve> Awww
[21:55] <G0TDJ_Steve> Missed again
[21:55] <G0TDJ_Steve> Did they go well?
[21:55] <Upu_M0UPU> think so he's recovering now
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[21:55] <Upu_M0UPU> too many points probably Lunar_Lander
[21:55] <G0TDJ_Steve> :-) Prolific launcher
[21:56] <Lunar_Lander> yea
[21:57] <Willdude123> Hi guys, was about to say 'guys girls and Upu' then I realized there are no girls.
[21:57] <Upu_M0UPU> there are
[21:57] <Willdude123> :-)
[21:57] <Lunar_Lander> so Leo got the Highscore in tracking data lines
[21:57] <Lunar_Lander> :)
[21:57] <Willdude123> Oh, I retract that sexist comment.
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[21:58] <G0TDJ_Steve> Time to find a nice cold drink BRB
[21:58] <Willdude123> Upu, how's habduino coming along?
[21:58] <Upu_M0UPU> slowly
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[21:59] <Upu_M0UPU> soldering it up when I get time
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[22:00] <Willdude123> You know I'll probably just build trackers with every microcontroller and radio module and gps I can find, till I'm 16 and then have a mega launch with all of them, since I can't launch before that.
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[22:04] <Willdude123> So yeah
[22:04] <G0TDJ_Steve> So, what have we got to kook forward to launch wise in the next few weeks?
[22:05] <G0TDJ_Steve> look even
[22:05] <fsphil_MI0VIM> not counting B-n launches?
[22:05] <G0TDJ_Steve> LOL, perhaps
[22:06] <Willdude123> fsphil_MI0VIM: When I finish this, it is almost literally just going to go into the attic for 3 years.
[22:06] <G0TDJ_Steve> Monty on Sunday
[22:06] Nick change: fsphil_MI0VIM -> fsphil
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[22:08] <DL7AD> good afternoon
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[22:09] <mfa298_m1ari> giwe gorwe got lots whilst it was on the way up
[22:09] <G0TDJ_Steve> Good afternoon Sven
[22:10] <Willdude123> My BBB does get very hot, so it may overheat the payload if god forbid I ever actually did a hab flight.
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[22:11] <Willdude123> Well, I guess by the time I'm allowed to launch anything the 4th beaglebonw will be out and the arduino dos will be the main flight board people use.
[22:13] <fsphil> I think avr-based payloads will be around for a long time to come
[22:14] <mattbrejza> sigh
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[22:14] <mattbrejza> (i totally havnt made any :P)
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[22:15] <cyclops> hi all!
[22:15] Nick change: G0TDJ_Steve -> all
[22:15] <fsphil> hiya cyclops
[22:15] <all> Hi cyclops
[22:15] Nick change: all -> G0TDJ_Steve
[22:15] <cyclops> all XD
[22:16] <G0TDJ_Steve> LOL#
[22:16] <G0TDJ_Steve> How ya doing cyclops?
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[22:27] <Willdude123> Tbh, I'm not too sure why I'm still doing it,
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[22:30] <Ugi> Hi Guys - is Zurg at 434.300? Not seeing anything.
[22:31] <daveake_M6RPI> julie here. sitting in the dark waiy
[22:31] <arko> do you see aliens?
[22:32] <daveake_M6RPI> waiting for david and others to find payload and return to cars
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[22:32] <fsphil> Ugi: it's on the ground
[22:32] <fsphil> Ugi: it stopped transmitting in the air, faulty payload
[22:32] <daveake_M6RPI> no aliens but near a scrapyard with unserviceable footpath
[22:33] <gonzo___> nice dark area, and clear skys
[22:33] <gonzo___> look at the stars
[22:33] <arko> nice!
[22:33] <daveake_M6RPI> nice moon
[22:33] <fsphil> there are some NLC clouds out tonight apparently
[22:33] <Ugi> fsphil: thanks - didn't see the time of last transmission!
[22:34] <Ugi> Ho Hum - I'm off to bed then!
[22:34] <Ugi> Night all
[22:34] <fsphil> lol
[22:34] <fsphil> nite
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[22:36] <daveake_M6RPI> i can see torchlights searching in field in distance
[22:36] <arko> did they have to ask for permission?
[22:36] <arko> i've always wondered about this and how it applies
[22:36] <arko> my habs always land in the mohave :/ and asking the wildlife isn't an option
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[22:38] <fsphil> don't ask a horse, they'll probably say Nay
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[22:39] <daveake_M6RPI> not scrapyard. not sure what or whose land but public footpath near so should be ok
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[22:47] <JDat> daveake_M6RPI: any news?
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[22:50] <G0TDJ_Steve> Time I was heading for a pillow - Good Night Everyone
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[22:55] <svenp> Any news about BUZZ/Zu
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[22:56] <daveake_M6RPI> think they must have it as moving on map
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[23:00] <svenp> Yes, I can see it now :-)
[23:02] <Lunar_Lander> Julie, congratulations to dave for another good flight
[23:02] <Lunar_Lander> :)
[23:03] <daveake_M6RPI> dave just phoned to say recovered. lunar - dave says thanks
[23:03] <Lunar_Lander> cool!
[23:04] <Lunar_Lander> he is very welcome
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[23:06] <SpeedEvil> :)
[23:06] <arko> nice!! congrats daveake_M6RPI !
[23:06] <JDat> lol
[23:06] <arko> can't wait to see those pictures :)
[23:07] <JDat> payload fly on the ground :D
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[23:08] <arko> took a road even
[23:08] <JDat> he it comes... here it comes... here it comes to blow away all your maind...
[23:08] <arko> polite hab
[23:10] <Lunar_Lander> good night :)
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[23:14] <daveake_M6RPI> Back :)
[23:14] <JDat> I see! :D
[23:14] <JDat> Ok
[23:14] <daveake_M6RPI> Who said I only land in trees? :)
[23:14] <SpeedEvil> :)
[23:14] <JDat> bye!
[23:14] <SpeedEvil> Congrats!
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[23:15] <db_g6gzh_> it was dark and it couldn't see a tree to land in 8-)
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[23:17] <daveake_M6RPI> lol
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[00:00] --- Thu Jul 18 2013