highaltitude.log.20130715

[00:06] <DL7AD> is the frequency still at exactly 434.500?
[00:06] <DL7AD> +- 500hz
[00:07] <Maxell> aS1,oe06a,51.7o
[00:07] <Maxell> oar,iaS3,n.42,-ir
[00:07] <Maxell> omg
[00:07] <Maxell> is it decoed?
[00:07] <Maxell> 21:28:07 < db_g6gzh_> 434.4993 MHz and 1700 Hz centre here
[00:08] <Maxell> that looks to be kinda working here
[00:08] <Maxell> no lies
[00:08] <Maxell> i lied
[00:09] <Maxell> meh
[00:14] <DL7AD> how far away is it from 434.500? minus or plus?
[00:15] <Maxell> i dont recieve it and dont have a oerfectly calibrrted reciever
[00:16] <DL7AD> hm... i think i my remote trx in france is exactly set to 434.500 usb
[00:16] <DL7AD> i cant freceive it as well
[00:21] <Maxell> hmm
[00:40] <Maxell> PD3WB just went online
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[01:16] <DL7AD> passed the border
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[04:25] <Guest82804> Its beeping
[04:25] lz1dev (~rgp@188-221-236-112.zone12.bethere.co.uk) joined #highaltitude.
[04:27] <Guest82804> $$B-6,2444,042308,50.27113,1.11065,5572,9,1.43,2,-3,S*5d90<<<<<< Last good Packet from G7UXW B-6 now beeping at 05:25
[04:28] <Guest82804> must have reset its self
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[04:30] <Guest82804> Beeping again 05:28
[04:34] <Guest82804> $$B-6,2459,042917,50.25045,1.12667,5664,7,1.43,2,-2,S*f4b5
[04:39] Nick change: number10 -> number10_M0MDB
[04:50] <x-f> good morning
[04:52] <x-f> altitude, temperature and battery voltage is rising
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[05:30] <Upu> morning Leo
[05:30] <Upu> looks good
[05:30] <Upu> you're just about to enter France
[05:31] <Upu> what is the total payload weigh ?
[05:33] <Upu> welcome to France
[05:34] <LeoBodnar> Good morning all! :)
[05:34] <LeoBodnar> Bonjour
[05:34] <LeoBodnar> Ah, 20.2g Upu
[05:35] <Upu> you fatty
[05:35] <LeoBodnar> Massive! lol
[05:38] <DL7AD> at which time is the ballon transmitting continiously?
[05:39] <Upu> if signal goes wobbly its about to get buzzed by a Boeing 777
[05:40] <x-f> DL7AD, night mode is from 23:00 till 5:00 UTC
[05:40] <LeoBodnar> It is transmitting continuously from 05:00 till 23:00 UTC, i.e. now
[05:40] <DL7AD> thx
[05:40] <LeoBodnar> morning x-f
[05:40] <x-f> morning
[05:40] <DL7AD> the transceiver is not set to the right frequency
[05:40] <LeoBodnar> 434.500
[05:41] <Upu> people listening to it check the signal pls
[05:41] <Upu> 49.9536 Longitude
[05:41] <Upu> 1.1359
[05:41] <Upu> 777
[05:41] <Upu> 49.96965,1.2789 payload
[05:41] <Upu> 500 meters above it
[05:43] <Upu> 777 was 10km away @ 500 vertical
[05:43] <LeoBodnar> Have you overlaid radar data or just looking at two windows?
[05:44] <Upu> two windows
[05:44] <Upu> you're just on the flight path atm
[05:45] <Upu> well just off it
[05:45] <LeoBodnar> FlightRadar24 ?
[05:45] <Upu> yes
[05:45] <Upu> looks like planes from the US are cutting in over the UK and turning and decending just near Dieppe
[05:45] <Upu> they are at the same altitude as the balloon
[05:46] <LeoBodnar> Looks like it's few miles NE
[05:47] <Upu> yeah it is
[05:48] <LeoBodnar> I can't remember what horizontal deviation from the flightpath is until you are told off by ATC
[05:48] <Upu> this just a 36" Qualatex ?
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[05:49] <LeoBodnar> Yes Upu
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[05:50] <LeoBodnar> I think Qualatex likes it between 6000 and 7000m
[05:50] <Upu> Delta Airlines DL171 :)
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[06:02] <LeoBodnar> B-4 and B-5 gained 900m during the sunrise. This one should as well I guess so it should level off at 6400m?
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[06:05] <jcoxon> Morning
[06:05] <LeoBodnar> morning jcoxon
[06:05] <jcoxon> How's it going?
[06:06] <LeoBodnar> Breakfast rise to 6400m
[06:06] <jcoxon> None of the maps loss up on my phone
[06:06] <jcoxon> Load*
[06:06] <jcoxon> where abouts?
[06:06] <LeoBodnar> Made landfall just recently
[06:07] <jcoxon> Nice
[06:07] <jcoxon> So slightly heavier payload
[06:07] <jcoxon> lower float
[06:07] <LeoBodnar> Yes, jumbo this time
[06:07] <jcoxon> Haha
[06:08] <LeoBodnar> I am very curious if it leaks Helium by the end of the day or not
[06:08] <jcoxon> Indeed
[06:08] <LeoBodnar> Have you had foil 36" survive a full day?
[06:08] <jcoxon> I think that happened with the 33be flight
[06:08] <jcoxon> Yeah
[06:09] <jcoxon> Did night then day and then descended slowly at night
[06:09] <jcoxon> suspect it lost so helium so when it cooled descended
[06:10] <LeoBodnar> Free lift is less then 2% of total lift so if any Helium is lost it's pretty much game over.
[06:10] <jcoxon> until we drop ballast
[06:10] <jcoxon> :)
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[06:13] <DL7AD> good morning. i cant get the france station to run.
[06:13] <LeoBodnar> Would ballast help? Leak must be still there even during the nigh
[06:13] <LeoBodnar> Sorry to hear this DL7AD Reception problems?
[06:13] <DL7AD> yes we have. F5VMH and i.
[06:13] <DL7AD> i had him on the phone
[06:14] <LeoBodnar> Oh
[06:14] <DL7AD> but i defnetly cant find out whats the problem. he should receive ist
[06:14] <DL7AD> *it
[06:14] <DL7AD> but i cant see what hes doing on his radio.
[06:14] <LeoBodnar> Or, so no signal at all?
[06:14] <jcoxon> http://wiki.ukhas.org.uk/projects:picoatlas:picoatlasix
[06:14] <DL7AD> no signal at all
[06:15] <jcoxon> Time for work
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[06:15] <LeoBodnar> OK see you later jcoxon
[06:15] <DL7AD> he wants to contact F5CT to receive ist
[06:15] <DL7AD> *it
[06:15] <eroomde> morn
[06:15] <LeoBodnar> Ah, thanks for trying DL7AD
[06:15] <LeoBodnar> morn eroomde
[06:16] <eroomde> good progress
[06:16] <eroomde> you keep making the tracker look like the opening credits of Dad's Army
[06:17] <LeoBodnar> we need to have spacenear.us play some relevant music to each launch
[06:17] <Randomskk> hah
[06:18] <Randomskk> or each landing
[06:18] <Randomskk> maybe just sound fx
[06:18] <eroomde> who do you think you are kidding mr bodnar, if you think old ublox's gone
[06:18] <Randomskk> "splash"
[06:18] <LeoBodnar> Don't panic, don't panic!
[06:18] <Randomskk> what noise does a HAB payload landing in a tree make if nobody is around to her it?
[06:18] <DL7AD> ^^
[06:18] <Randomskk> hear* stupid poxy keyboard
[06:19] <eroomde> it makes the noise of a hab landing in a tree
[06:19] <eroomde> probably
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[06:19] <LeoBodnar> Will it blend with environment or not?
[06:20] <eroomde> Will it blend?
[06:20] <Randomskk> yes, always
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[06:29] <Geoff-G8DHE> Thats a nice sound to hear when you hit the unmute button from overnight!
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[06:30] <eroomde> careful you don't become dependant
[06:30] <eroomde> you need the sound of telemetry as security in every day life
[06:30] <eroomde> you start to hear it in moments of silence
[06:30] <Geoff-G8DHE> You do actually!
[06:30] <Randomskk> especially in white noise
[06:31] <daveake> It's a special form tinnitus
[06:31] <Randomskk> rttinitus?
[06:31] <eroomde> tinitEX
[06:31] <Geoff-G8DHE> Dominitus ?
[06:31] <daveake> She's expensive
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[06:33] <LeoBodnar> lol daveake , two birds with one stone
[06:34] <Geoff-G8DHE> http://360.g8dhe.net/hab_flights/B-6/index.php?ind=2
[06:35] <LeoBodnar> I like these 3D profile pictures. It's very difficult to imagine the relationship between vertical path and projection on the map. Especially for floating things
[06:36] <LeoBodnar> It looks like a bridge
[06:36] <Geoff-G8DHE> It is nice as a visual, but you still need the graph for the detail but GE does that as well of course
[06:38] <DL7AD> F5CT got online in france
[06:38] <eroomde> he's our only hope
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[06:39] <Geoff-G8DHE> http://360.g8dhe.net/hab_flights/B-6/index.php?ind=3
[06:39] <eroomde> Obi-ham kenobi
[06:39] <daveake> yep I'm out
[06:39] <daveake> haha
[06:40] <daveake> So long as he doesn't say " This little one's not worth the effort."
[06:40] <Geoff-G8DHE> I got as far as 80Km south of Paris last time, and with luck I'll head out mobile to Beachy Head and see if I can track from there later on.
[06:41] <eroomde> don't do it
[06:41] <Geoff-G8DHE> There is a video 360 of a jumper doing the rounds
[06:41] <Geoff-G8DHE> an intended jump i might add
[06:42] <Geoff-G8DHE> from Beachy Head
[06:44] <eroomde> yay the cranes have awoken
[06:44] <eroomde> making a new wier in the thames right by the back of our house
[06:44] <eroomde> ground shaking
[06:45] <daveake> Oh that sort of crane :)
[06:45] <daveake> There are noisy chickens next door but they don't shake the ground
[06:46] <Geoff-G8DHE> Now freq. change with those pauses http://360.g8dhe.net/hab_flights/B-6/index.php?ind=12
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[06:54] <mammut> Morning all. How did the launch go yesterday?
[06:56] <x-f> up!
[06:56] <x-f> and hasn't come down yet :)
[06:56] <x-f> morning, mammut
[06:57] <mammut> Morning
[06:57] <mammut> And, is that good, bad or other?
[06:57] <x-f> good
[06:57] <mammut> :D
[06:57] <x-f> if we're talking about B-6
[06:58] <mammut> Maybe not, I was talking about what El-Reg have dubbed LOHAN
[06:58] <mammut> But, if there is a link, I'll read up :D
[06:58] <daveake> Went up came down recovered
[06:58] <daveake> That was Saturday
[06:59] <daveake> They've not written it up yet
[06:59] <mammut> In my defence, I read it on the train in, and I've been in the office for an hour :P
[06:59] <daveake> :)
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[07:00] <mammut> Why on earth I got up at 0530 is beyond me.
[07:00] <DL7AD> F5CT is not streaming data into the internet yet, is he?
[07:01] <Geoff-G8DHE> ot seen his call
[07:01] <Geoff-G8DHE> Not*
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[07:09] <DL7AD> next time we need someone chasing it by car in france ;)
[07:09] <eroomde> mammut: yes... why!?
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[07:11] <mammut> I blame my wife, she had to be in at 0700
[07:11] <mammut> So far today, I've written my resignation letter :D
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[07:13] <Randomskk> sounds like a productive day!
[07:14] <mammut> I'm going to enjoy handing it in. I managed just over 6 months working for a bank.
[07:14] <daveake> wow
[07:15] <daveake> I did 9 for an insurance company once. It paid for a new car but it did my head in.
[07:16] <DL7AD> does anyone have contact with F5CT?
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[07:26] <number10> F5CT just joined in the tracking
[07:27] <G0TDJ_Steve> Good Morning Folks
[07:27] <number10> morning
[07:28] <fsphil> mornings
[07:28] <G0TDJ_Steve> B6 still oirong
[07:28] <fsphil> ah, it's invaded France
[07:28] <G0TDJ_Steve> Something appears to be up with my keyboard
[07:28] <G0TDJ_Steve> B6 Still going strong
[07:29] <G0TDJ_Steve> Yes, I lost decodes as it approached the French coast
[07:30] <G0TDJ_Steve> I can see a really feint trace on FLDigi's WF but nowhere near enough to decode anything
[07:30] <fsphil> really hope the solar lasts this time
[07:30] <fsphil> I'm assuming it has it
[07:31] <G0TDJ_Steve> I don't believe B6 has. I could be wrong
[07:31] <x-f> it has an AA instead
[07:31] <G0TDJ_Steve> 'morning x-f
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[07:32] <G0TDJ_Steve> That's pretty damn impressive. One AA for 8 hours, even with the 'night mode'
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[07:33] <ibanezmatt13> Good Morning :)
[07:34] <G0TDJ_Steve> GM ibanezmatt13
[07:34] <DL7AD> gmorning
[07:34] <G0TDJ_Steve> This is getting like a reverse Waltons.....
[07:34] <ibanezmatt13> anything interesting going on today?
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[07:35] <x-f> good morning, G0TDJ_Steve
[07:35] <G0TDJ_Steve> ibanezmatt13: Tracking B6 over France
[07:35] <ibanezmatt13> cool, I'll take a look now
[07:35] <x-f> that AA should last for 48 hours
[07:36] <ibanezmatt13> when was B6 launched?
[07:36] <G0TDJ_Steve> ibanezmatt13: LeoBodnar released B6 last night at around 7:00pm I think
[07:36] <G0TDJ_Steve> It was yesterday eve andyway
[07:36] <ibanezmatt13> that's pretty cool
[07:36] <x-f> i hope we'll have the trackers too
[07:36] <G0TDJ_Steve> Yep
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[07:37] <G0TDJ_Steve> What are you launching x-f ?
[07:37] <G0TDJ_Steve> Hey LeoBodnar :D
[07:37] <LeoBodnar> Hey! Back to work (supposedly)
[07:37] <ibanezmatt13> I assume there's a tracking team in France or wherever; Leo's not driving is he?
[07:37] <G0TDJ_Steve> :D
[07:37] <LeoBodnar> I am that is!
[07:37] <ibanezmatt13> Morning LeoBodnar
[07:37] <x-f> G0TDJ_Steve, i meant "us" here for B-6 :)
[07:37] <G0TDJ_Steve> Ohhh x-f
[07:38] <LeoBodnar> Morning all! Thanks for tracking the thing!
[07:38] <G0TDJ_Steve> No worries LeoBodnar I woke up at 5:17 and checked, it was still on my FLDigi. Just needed a little more volume
[07:38] <G0TDJ_Steve> Lost it about 1 1/2 hrs ago
[07:38] <ibanezmatt13> UpuWork: Would it be ok if we came half an hour earlier at 7:30 instead?
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[07:39] <LeoBodnar> Cheers G0TDJ_Steve!
[07:40] <PD4KDZ> Morning Yáll F5CT is tracking now nice work Daniel !
[07:40] <G0TDJ_Steve> My pleasure. Only just shut FLDigi down. You could just barely see a trace on the W/F
[07:40] <number10> I am amazed my radio at home is still receiving
[07:40] <G0TDJ_Steve> I wish I had a beam!
[07:40] <PD4KDZ> Tropo Ducting ...
[07:40] <ibanezmatt13> Anybody know where I can find a good resource to help me learn vb.net? I need it for college and I can't find anything but video tutorials
[07:41] <number10> ibanezmatt13: fsphil will tell you about VB
[07:41] <UpuWork> yep ibanezmatt13
[07:41] <UpuWork> speak soon
[07:41] <PD4KDZ> use filtype:pdf in Google
[07:41] <ibanezmatt13> ok, thanks UpuWork
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[07:41] <fsphil> ibanezmatt13: quick summary, VB is evil. avoid :)
[07:41] <number10> there you go
[07:42] <fsphil> if you must use an MS language, use C#
[07:42] <fsphil> which is somewhat less evil
[07:42] <ibanezmatt13> as much as I should avoid, that's what they teach in college :\
[07:42] <zyp> I'm kinda amazed VB is still taught anywhere
[07:42] <fsphil> they teach it?
[07:42] <fsphil> whyyyyy
[07:42] <ibanezmatt13> hang on one minute
[07:42] <fsphil> it's its own little world, disconnected from every other language
[07:42] <ibanezmatt13> fsphil: http://www.winstanley.ac.uk/images/stories/pdf/course_leaflets/computing_12.pdf
[07:43] <ibanezmatt13> it says Visual Basic
[07:43] <fsphil> pray it's not VB6
[07:43] <fsphil> for that way leads to madness
[07:43] <fsphil> and his words where spoken true
[07:43] <ibanezmatt13> my uncle is a vb6 programmer for Santander and they've just moved over to vb.net
[07:44] <zyp> maybe you need to find a better college
[07:44] <zyp> :p
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[07:44] <mammut> Certain companies still require VB6
[07:44] <ibanezmatt13> It was rated the best 6th form college in the country last year
[07:44] <mammut> I was asked to write a project for Honda in VB6
[07:44] <ibanezmatt13> I've written games and a few apps already but if I need to do it atA level
[07:45] <ibanezmatt13> I should really get a good resource for it
[07:45] <zyp> I thought it was horrible enough that I had to take a course on java, but now I'm thinking «at least it weren't VB»
[07:45] <fsphil> yes
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[07:46] <ibanezmatt13> fsphil: how did you learn Visual Basic when you kinda needed to? :)
[07:46] <mammut> There are worse things than VB6
[07:46] <mammut> AIDs, famine, death, etc...
[07:46] <fsphil> ibanezmatt13: trial and error. mostly error
[07:47] <ibanezmatt13> I mean some sort of pdf that basically shows you the syntax
[07:47] <ibanezmatt13> It's so dissimilar to any other lauguage
[07:47] <fsphil> I just read some of the other code
[07:48] <fsphil> the syntax is different but the structure does share a lot with other languages
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[07:48] <ibanezmatt13> ok, I'll have a look some more
[07:48] <fsphil> for, while loops, if then else
[07:49] <ibanezmatt13> fsphil: I couldn't understand what formed the arguments of a function. When you do private sub whatever (things) I don't quite know what goes in there...
[07:49] <ibanezmatt13> and then they have things called modules
[07:50] <fsphil> the arguments are similar to C, list of variables and types separated by commas
[07:51] <fsphil> private sub blablah(string urg)
[07:51] <GMT> zyp: what's a good resource for learning Java
[07:51] <ibanezmatt13> when I was doing it, it was almost like the arguments were event like, mouse click or something
[07:52] <fsphil> ibanezmatt13: events are functions, called by the UI bits. they pass in arguments detailing the event
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[07:53] <ibanezmatt13> So it's almost like saying, public function to say hello (in the event of this....) ?
[07:53] <ibanezmatt13> as opposed to public do the function (of this)
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[07:55] <fsphil> ibanezmatt13: yea. normal functions, but can be called from 'outside' by the UI
[07:56] <ibanezmatt13> ah ok, what is a module in vb?
[07:57] <fsphil> a file containing functions or variables
[07:58] <ibanezmatt13> So a project file basically?
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[07:58] <fsphil> yea
[07:59] <fsphil> does vb.net even have modules?
[07:59] <ibanezmatt13> yep
[08:00] <ibanezmatt13> also, you have the option to make wpf files. I guess I'm just using windows forms applicaitons, I've no idea what a wpf file does. There's nothing online that I can see to tell me all this :P
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[08:00] <fsphil> I've not encountered a wpf file either
[08:01] <iainSGX_work> YAY, a french tracker.. happy days.. Shame to let all that battery power go to waste..
[08:01] <ibanezmatt13> I'll stick to windows forms then :)
[08:02] <fsphil> then have a good shower after you've finished it
[08:02] <fsphil> and write some C code to rebalance the world
[08:02] <ibanezmatt13> haha, of course
[08:03] <ibanezmatt13> http://howtostartprogramming.com/vb-net/ found a good resource
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[08:05] <daveake> Is there a http://howtostartprogramming.com/just-do-not-use-vb/ ?
[08:05] <gonzo__> or some assembler to cleanse your soul
[08:07] <daveake> I went from BASIC to Z80 to FORTRAN. This explains a lot.
[08:07] <GMT> so long as the assmebler you chose is not that modern stuff used on PCs
[08:08] <Geoff-G8DHE_> http://www.fileinfo.com/extension/wpf
[08:09] <G0TDJ_Steve> Z80 YAY!
[08:09] <daveake> That was an instruction-set-designed-by-committee
[08:10] Action: LazyLeopard went from FORTRAN to BASIC to Z80 to IBM ASSEMBLER...
[08:10] <daveake> ooh close
[08:10] <G0TDJ_Steve> daveake: What Z80?
[08:10] <daveake> Yes
[08:10] <Brace> if you want a good laugh go here before they notice: http://servicestatus.sky.com/
[08:10] <daveake> 600-odd instructions
[08:10] <daveake> Verious limitations on which ones worked with which registers
[08:10] <daveake> It was a mess
[08:11] <daveake> I did write one IBM assembler function once
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[08:11] <G0TDJ_Steve> I love Z80 (at least I did)
[08:11] <G0TDJ_Steve> Z80 is the one language I got a good grasp on LOL
[08:12] <daveake> I wasn't difficult it was just the haphazard way they threw instructions on top of the 8080 set
[08:12] <G0TDJ_Steve> Ahh, that would explain it, I missed 8080
[08:13] <G0TDJ_Steve> All my experience was with Speccys
[08:13] <daveake> The 6502 for example was much cleaner
[08:13] <daveake> and 6809
[08:13] <daveake> In fact anything starting with "6" :)
[08:13] <G0TDJ_Steve> :-)
[08:13] <Geoff-G8DHE_> Ah the 6800 and 6809
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[08:19] <Lunar_LanderU> hello
[08:19] <Lunar_LanderU> LeoBodnar: great flight as usual :)
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[08:44] <LeoBodnar> F77 daveake or IV ?
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[08:46] <daveake> Started on IV but the IBM assembler was for a 77 program someone else was writing
[08:46] <daveake> 77 was actually not too bad
[08:46] <daveake> Well compared with IV :)
[08:47] <LeoBodnar> Yes, blooming FORMATs on IV
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[08:47] <daveake> argh don't remind me :)
[08:48] F_S_ (3e8509f3@gateway/web/freenode/ip.62.133.9.243) joined #highaltitude.
[08:48] <x-f> anybody emailed Alain?
[08:49] <Geoff-G8DHE> Is it me or has B-6 dropped in power ?
[08:50] <UpuWork> ping LeoBodnar
[08:50] <UpuWork> pm
[08:56] <eroomde> I am designing a firing box to sequence the firing of a thing
[08:56] <Geoff-G8DHE> I can only just see a trace in the w/f, but it dropped rapidly and this time hasn't returned LeoBodnar
[08:56] <eroomde> the cable running to it, i have just decided, shall be twisted pair
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[08:56] <eroomde> pin-driven-design
[08:56] <eroomde> pun*
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[08:57] <Geoff-G8DHE> Ah some are still getting it, maybe its my end :-(
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[08:58] <mfa298> Geoff-G8DHE: when I was recieving it last night it seemed to be fading then although I'm not sure if that was also the local environment.
[08:59] <mfa298> although I think a couple of others commented on it fading as well
[08:59] <craag> Yep was slow-fading here all last night
[08:59] <craag> I got decode at 0.4 degrees elevation this morning, new qth ftw!
[09:00] <craag> Last one I never got a decode below 5.5
[09:00] <Geoff-G8DHE> Yup, I heard it stop and just assumed it was one of the breaks, but then after a while it didn't come back! But now its well down in the noise and not decoding at all.
[09:00] <mfa298> craag: is that just with the antenna in the loft or did you manage to get it outside ?
[09:00] <Geoff-G8DHE> Anyway I shall have to leave it for now. Catch up in a bit when I'm mobile.
[09:00] <craag> mfa298: colinear in the loft.
[09:01] <craag> Outside will be even better
[09:01] <mfa298> you need that mast in the garden, then you might give Astra a run for it's money
[09:01] <craag> Yeah, need to talk to graeme about that, would be good to have up!
[09:02] <eroomde> is this graeme of sharp fame?
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[09:02] <G0TDJ_Steve> Antennas are always better outside.
[09:02] <craag> eroomde: No
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[09:21] Nick change: G0TDJ_Steve -> G0TDJ_AFK
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[09:25] <Jess--> B6 looks to still be going well
[09:26] <G0TDJ_AFK> Gotta go in a tick but yes Jess-- Considering the tracker is running on a single AA and has been going since 7:30pm(ish) last night.
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[09:27] <Jess--> aha, he's gone from aaa to aa then, should go for a lot longer, any solar on this one?
[09:27] <G0TDJ_AFK> Nope
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[09:29] <mfa298> the suggestion earlier was that it should last over 40 hours on an AA
[09:29] <G0TDJ_AFK> Wow... That's some going
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[09:29] <mfa298> I think it managed 18 hours on a AAA
[09:30] <G0TDJ_AFK> It's a shame there aren't more tracking stations further South
[09:30] <Laurenceb> http://ukhas.org.uk/general:uk_records
[09:30] <Laurenceb> needs updating with B-4/B-5
[09:31] <G0TDJ_AFK> Yeah...
[09:31] <G0TDJ_AFK> Damn, gotta go. Be back later guys.
[09:32] <Chetic> I'm trying to buy the payload antenna coax cable atm
[09:33] <Chetic> how do I know what to buy?
[09:33] <Chetic> they dont have RG58
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[09:33] <mfa298> small, lightweight, and as low a loss as possible on 434MHz
[09:34] <mfa298> rg174 or mini-8 might work as well.
[09:34] <Chetic> what is that number after RG?
[09:34] <Chetic> what is mini-8?
[09:34] <mfa298> that seems unusual for places selling coax not to have rg58
[09:35] <Chetic> they only have two types
[09:35] <Chetic> its the only place I could find that even sells it
[09:35] <mfa298> might be rg-mini8
[09:35] <Jess--> betting they only have 75 ohm for tv and sat
[09:36] <mfa298> agreed, if they only have two types that sounds like it could be tv/sat stuff which will be 75 ohm rather than 50 ohm
[09:36] <Chetic> ah ok I'll keep looking
[09:37] <mfa298> Chetic: you could always try ebay - or there'll be online shops that sell coax cable (rs/farnell etc I think are fairly international)
[09:37] <mfa298> (I forget where you're from)
[09:37] <Chetic> yeah I'll probably do that
[09:37] <Chetic> Sweden
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[09:38] <mfa298> the other place to look for are amateur radio shops - they should have a whole range of coax and probably advise as to what's best from what they stock.
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[09:40] <Ugi> I just discovered: http://www.rfstreet.com/
[09:40] <Ugi> it's china RF but off e-bay
[09:41] <WillDuckworth> is there a schematic anywhere of Leo's B-flights?
[09:41] <Ugi> they have RG58 at $1.50 pm ish and free postage
[09:41] <Ugi> but you'll have to wait for it
[09:42] <Ugi> They also have a very handy "adaptor wizard" for joining your antenna with one connector to your radio/SDR with another
[09:42] <daveake> Also, Ugi, it's RG58
[09:42] <daveake> which is rubbish for decent lengths
[09:43] <Ugi> Sure - I thought it was RG58 that was wanted
[09:43] <Ugi> Chetic: said "they don't have RG58"
[09:43] <daveake> Sorry just jumping in without reading the history :)
[09:44] <mfa298> this is for on the payload I think (rather than the rx end)
[09:44] <daveake> ah np then
[09:44] <daveake> too short to worry about
[09:44] <Ugi> however, hopefully I will get to put up a proper antenna in a month or so - what coax would you use for that - will be maybe 10-15m
[09:44] <mfa298> at that point weight it probably more of a factor than loss
[09:44] <daveake> :)
[09:44] <daveake> I used RG174 for that reason
[09:45] <mfa298> rg213 or westflex for the rx end
[09:45] <gonzo__> rg58 is ok for rx, if you put the hab amp up at the antenna end
[09:45] <daveake> Well if anyone wants some I have loads and am happy to post some out foc
[09:46] <mfa298> I can see another wiki page coming on at some point (coax cables)
[09:46] <Ugi> that would be very handy!
[09:46] <daveake> Well there's one on the contensious subject of connectors, so why not? :)
[09:46] <gonzo__> one of my pico's had a length of rg174 as the feed and the antenna (sleeve dipole, made by pulling the braid back over the cable outer) and tied up with the cord to the balloons
[09:47] <daveake> yes I do that lots
[09:47] <Ugi> do the numbers actually have some meaning?
[09:47] <gonzo__> not really
[09:47] <daveake> erm no idea
[09:47] <craag> Ugi: They're ID numbers, no technical meaning.
[09:47] <mfa298> I probably ought to finish the one of rf connectors first though - I'd gotten sick of searching for images of the various ones out there when people asked about them
[09:47] <daveake> http://en.wikipedia.org/wiki/Coax is quite good
[09:48] <Ugi> Thanks
[09:48] <gonzo__> if you want rx feeder on a budget and are not going to want to tx with it as well, I use sat tv CT100.Supprisilgly low loss for the size/cost. But again, put the habamp up at the antenna
[09:48] <daveake> Why the particular numbers were chosen, I have no idea
[09:48] <gonzo__> just spec numbers
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[09:49] <gonzo__> there are the uniradio numbers too.
[09:49] <mfa298> chosen with a random number generator probalby
[09:49] <F5MVO> hello, B6 heard on 434.501.700
[09:49] <gonzo__> the RG are standards/spec. The UR are mfrs part numbers
[09:51] <number10> hello F5MVO
[09:51] <daveake> LeoBodnar My first "tiny" tracker - http://www.flickr.com/photos/daveake/6790713941/in/set-72157629102120711 - yours makes it look enormous!
[09:57] <Lunar_LanderU> yeah and mine is a giant then http://s.gullipics.com/image/n/h/b/5yv7u4-kraqln-1sob/IMG0222.jpeg
[09:57] <Lunar_LanderU> :)
[09:58] <daveake> Well we knew that :-)
[09:58] <daveake> But we've seen worse so don't worry :)
[09:58] <Lunar_LanderU> :)
[10:01] <mfa298> daveake: those are brave words in your email
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[10:03] <mfa298> it looks like griffonbot has left us as well.
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[10:04] <Jess--> mine was big in comparison http://www.titanballoon.co.uk/wp-content/uploads/2013/06/trackershrunk.jpg
[10:07] <daveake> mfa298 Yes I know :p
[10:08] <daveake> Well, not allowed to launch any earlier, and if we delay it'll be dark at apogee. So we'll have to prepare early and wait
[10:08] <craag> Heh that'll be a fun chase :)
[10:08] <Chetic> I was at Bauhaus btw, maybe they have that in the UK?
[10:08] <daveake> It's probably just telemetry from 2 simple trackers not much to worry about
[10:08] <craag> /recovery
[10:09] <daveake> Actually, night chases can sometimes be easy - the hi-viz tape on the payload box lights up a long way away with a powerful torch
[10:10] <craag> Cool! I've been considering trying it, for launching picos from soton after the airport closes.
[10:10] <eroomde> a good torch and a good knife are good for night hunting
[10:11] <Jess--> depends what you're hunting eroomde
[10:11] <eroomde> habs
[10:11] <eroomde> bears
[10:11] <eroomde> you name it
[10:13] <Chetic> guess I'll just order this?: http://www.rfstreet.com/ch_contentd.asp?id=2206
[10:14] <Laurenceb> http://www.youtube.com/watch?v=-HiKVix9Jeo&feature=player_embedded
[10:14] <Laurenceb> altertude?
[10:14] <daveake> torch - check
[10:14] <daveake> knife - ordered
[10:14] <daveake> torch is UpuWork-approved
[10:15] <Chetic> operating temp -20? will that be ok?
[10:15] <Chetic> it'll be completely exposed after all
[10:15] <LeoBodnar> Aha daveake ! Great "dead bug" construction! It looks like inside of those electronic valve radios that used direct point-to-point wiring. PCB? What PCB?
[10:15] <Chetic> god damn it I should've studied physics
[10:16] <gonzo__> uk wx, you need a torth that is waterproof to a depth of 1 puddle
[10:16] <gonzo__> (for sunner flights)
[10:16] <gonzo__> summer
[10:16] <LeoBodnar> Lunar_LanderU: yours is modular which is a great bonus if you need to swap parts in a hurry like I had.
[10:16] <mfa298> $1.7/m for rg58 sounds expensive although if shipping is free and you only want a couple of meters it's probably cheaper than the postage from a larger shop
[10:16] <daveake> LeoBodnar yeah I've not made a PCB since the days of transfers and tape. I should get round to it though.
[10:17] <Lunar_LanderU> yea
[10:18] <fsphil> gonzo__: it hasn't rained in 2 weeks! the end has come
[10:18] <mfa298> gonzo__: standard puddle or new forest puddle (I had a Doctor Foster experience with such a puddle in the new forest last year)
[10:20] <F5MVO> good stabylity frequency B6 with TXCO
[10:20] Action: Chetic enjoys seeing brits discuss puddles
[10:21] <mfa298> with the current weather we'll soon be talking about the lack of puddles
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[10:21] <gonzo__> global warming phil, put your ark project on hold
[10:21] <gonzo__> there must be a british standard puddle
[10:22] <gonzo__> saw a Dr foster when someone was driving a forklift around a farmyard, through the puddles
[10:22] <gonzo__> didn't know there was a 10ft deep hole in the yard where they had been digging a new drain chamber
[10:23] <gonzo__> he waslucky not to have drowned.
[10:24] <daveake> I bet he felt drained
[10:24] Action: daveake gets coat
[10:24] <fsphil> he needed a lift
[10:25] <x-f> that was deep
[10:25] <gonzo__> was a reall fork up
[10:25] <gonzo__> they had long reach diggers there the previous day but stopped work because of the heavy rains
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[10:26] <gonzo__> so lucky the cab had an open top roll cage
[10:26] <daveake> Was his name Doug?
[10:26] <gonzo__> floated up caughing muddy water
[10:26] <daveake> in tune?
[10:27] <gonzo__> hehe
[10:27] <daveake> He had the blues
[10:28] <daveake> Why do I have the feeling that the silence is because everyone is googling for muddy waters songs?
[10:29] <eroomde> paranoia
[10:30] <LeoBodnar> What is the centre frequency of the DominoEX "column" F5MVO ?
[10:31] <F5MVO> standby
[10:32] <F5MVO> 434.501.700
[10:33] <F5MVO> very stable
[10:33] <Laurenceb> wts gps locked
[10:34] <Laurenceb> which silabs ic is it using?
[10:34] <F5MVO> i use 400hz cw filter now
[10:36] <eroomde> overheard in the office with respect to computation fluid dynamics of rockets:
[10:36] <eroomde> 'the thing about transonics is you just shut your eyes and fly the fuck through it'
[10:37] <daveake> ^^ he swore ban him :-)
[10:37] <Laurenceb> LeoBodnar: how do you generate the correct tone spacing usign the silabs pll?
[10:38] <eroomde> he's irish
[10:38] <eroomde> we forgive him
[10:38] <eroomde> he also swore loudly on the rocket video i showed at last year's conference
[10:38] <Laurenceb> https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-ash4/1001505_10151483866421513_629231294_n.jpg
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[10:38] <fsphil> swearing is part of the language in ireland
[10:38] <fsphil> as in australia
[10:38] <Darkside> same here in australia
[10:38] <Darkside> hah
[10:39] adeptium (545cb1db@gateway/web/freenode/ip.84.92.177.219) joined #highaltitude.
[10:39] <daveake> I swore a bad word in front of kiddies
[10:39] <daveake> When my/their balloon escaped
[10:39] <Babs> sadly, both countries are necessary to Britain to ensure supplies of Guiness and Fosters
[10:39] <Laurenceb> Jimmy?
[10:39] <Darkside> eeeew
[10:39] <Darkside> fosters
[10:39] <Darkside> wht the hell man
[10:40] <Babs> It's better than Castlemaine XXXX
[10:40] <LazyLeopard> Nah. Australia just gets the blame for Fosters.
[10:40] <Babs> Also, it would be impossible to get served in pubs in Earls Court without Australian tourist visas.
[10:41] <Babs> daveake - can you swear a good word?
[10:41] <Babs> PS nic pics from the other day
[10:41] <Babs> *nice
[10:41] <daveake> Should get some nice pix Wednesday evening
[10:42] zohebsayed (825863e7@gateway/web/freenode/ip.130.88.99.231) joined #highaltitude.
[10:42] <Babs> I still haven't processed my photos from BABSHAB
[10:42] <Babs> you need to let us all catch up ;-)
[10:42] <F5MVO> LeoBodnar: you have receive my info ?
[10:43] <Laurenceb> http://www.markta.co.uk/b3ta/specificrim400.jpg
[10:43] <LeoBodnar> Laurenceb: their pll is high enough resolution
[10:44] <zohebsayed> hey guys.. I was working on my dissertation, and I wanted a camera small and light enough, which I could fit in my balloon platform.. and suggestions??
[10:44] <Laurenceb> datasheet says 14.3Hz?
[10:44] <Babs> zohebsayed - any canon that runs chdk
[10:45] <zohebsayed> Thanks a ton!
[10:45] <daveake> And uses AA batteries
[10:45] <Babs> http://chdk.wikia.com/wiki/CHDK
[10:45] <zohebsayed> could a suggest one which is less than 2 kg?
[10:45] <daveake> Erm all of them :)
[10:45] <F5MVO> LeoBodnar: i go to heat,see you later
[10:45] <Babs> zohebsayed - any canon post 1965 on that basis
[10:45] <daveake> Weights etc - http://en.wikipedia.org/wiki/Canon_PowerShot_A
[10:45] <zohebsayed> cool
[10:45] <LeoBodnar> Datasheets are for violating them with a smirk
[10:45] <daveake> The A560, A480, A495 have all been used with success
[10:46] <zohebsayed> you guys are awesome
[10:46] <zyp> zohebsayed, bullshit, my canon is easily over 2kg :p
[10:46] <Babs> zyp - canon, not cannon
[10:46] <zyp> expected that ;)
[10:47] <mfa298> if it's over 2kg you've not removed enough of the case or other un-needed components (based on what some have done)
[10:48] <daveake> Camera + tracker should be comfortably under 1kg
[10:48] <fsphil> my dslr is less than 2kg
[10:48] <daveake> I've managed around 200g
[10:48] <Babs> although not all canons are suitable for habbing http://www.rcsouthwark.co.uk/news_archive_2009_mar&april.html
[10:48] <fsphil> A560 without mods, tracker, uart camera and batteries is about 550g
[10:49] <zyp> fsphil, depends on the lens
[10:49] <fsphil> yes that's true
[10:49] <fsphil> some of them are basically telescopes
[10:50] <zyp> I have a 70-200/2.8 IS, it's almost 1.5kg by itself
[10:50] <zyp> add the body and you're over 2
[10:50] <Laurenceb> LeoBodnar: what frequency is the tcxo?
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[10:51] <x-f> has anybody run a prediction for B-6? the one i got shows it stopping, then going back N/NE and over the Netherlands - http://ready.arl.noaa.gov/hypubout/18045_trj001.gif
[10:52] <x-f> i'm not sure my input wasn't messed up
[10:53] <Babs> My DLSR I flew was 750g.
[10:53] <Babs> even a wide angle wouldn't ship it over 1000g
[10:53] <Babs> and the big telephoto isn't necessary unless you were going to do a reverse craag
[10:53] <Babs> which would be very cool
[10:53] <Laurenceb> oh i see now
[10:54] <Babs> damn, just invented another project
[10:54] <fsphil> Babs: very
[10:54] <Laurenceb> 32.678mhz tcxo and it works
[10:54] <eroomde> i love you Laurenceb
[10:54] <eroomde> good to hve you back
[10:54] <eroomde> i'm sorry i banned you that time
[10:54] <zyp> Babs, true
[10:55] <Laurenceb> lol ok
[10:55] <Laurenceb> no hard feelings
[10:55] <zyp> pretty pointless to bring a zoom aswell
[10:55] <Babs> wide angle would be nice
[10:55] <LeoBodnar> F5MVO yes, getting your decodes
[10:55] <mfa298> telephoto on a hab would be a good test of stabalization etc.
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[10:55] <Babs> the big advantage of the DSLR is that you can run magic lantern not chdk
[10:55] <eroomde> also nice glass
[10:56] <eroomde> i want a D600 to fly
[10:56] <eroomde> for pointy-wointy
[10:56] <SpeedEvil> :)
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[10:58] <eroomde> the low light performance is apparently very good
[10:59] <eroomde> which reduces the exposure time required
[10:59] <nosebleedkt> is this a HAB?
[10:59] <nosebleedkt> http://imagebin.org/264592
[10:59] <nosebleedkt> found in some place in greece
[10:59] <LeoBodnar> Anybody flown proper camera yet?
[10:59] <nosebleedkt> north greece
[10:59] <Laurenceb> LeoBodnar: what frequency is the tcxo?
[11:00] <craag> nosebleedkt: Looks like a standard MET sonde, so yes.
[11:00] <nosebleedkt> MET sonde?
[11:00] <x-f> meteosonde, radiosonde
[11:00] <craag> Launched by the weather forecasters to measure wind at altitude.
[11:00] <nosebleedkt> ahh
[11:00] <craag> /tmp/pressure/etc
[11:00] <nosebleedkt> lol
[11:01] <nosebleedkt> are they suppose to loose them ?
[11:01] <craag> yes, they don't recover them.
[11:01] <LeoBodnar> 16.something Laurenceb
[11:01] <Babs> Leobodnar - arguably, moi. Depends on how expensive a DSLR is before you call it proper. eroomde clearly has expensive tastes
[11:01] <craag> They are mass produced quite cheaply.
[11:02] <LeoBodnar> Nah, large format sheet film B&W preferrably made by Ilford
[11:02] <Laurenceb> LeoBodnar: interesting
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[11:02] <Laurenceb> silabs say 25 to 32mhz
[11:03] <zyp> eroomde, D600 or 600D? :p
[11:03] <LeoBodnar> Ansel Adams of HABing
[11:03] <LeoBodnar> 3 hours to compose the image
[11:03] <iainSGX_work> Need another tracker in south France, maybe post a request in the general amateur radio Facebook page?
[11:03] <Babs> LeoBodnar - no, all that work to gamble that one of your 36 photos isn't of the back of a car due to a delayed launch would be ballsy
[11:03] <eroomde> LeoBodnar: i was into that too
[11:03] <Laurenceb> LeoBodnar: got a part number of the tcxo?
[11:04] <eroomde> used to love b&w film photography
[11:04] <LeoBodnar> Ignore what Silabs say Laurenceb
[11:04] <Laurenceb> heh
[11:04] <Babs> pinhole camera eroomde?
[11:04] <eroomde> still occassionally almost buy a leica m6 off craiglist
[11:04] <Babs> if ever there was a second hand use for a quality street tin that would be it
[11:04] <zohebsayed> I was looking for a tracker for my HAB platform.. and I need something really light.. what do you guys suggest?
[11:05] <eroomde> indeed
[11:05] <eroomde> zohebsayed: building something
[11:05] <eroomde> people can make 10g trackers with off-the-shelf parts
[11:05] <LeoBodnar> I still have all my medium format stuff but got rid of the paper processor monster
[11:05] <eroomde> yes it's the faff of dark room that puts me off
[11:05] <eroomde> and also that i more like the act of photographing
[11:05] <eroomde> than developing
[11:06] <zohebsayed> no.. I just have to do a thesis
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[11:06] <zohebsayed> eroomde: for my dissertation
[11:06] <eroomde> zohebsayed: what do you mean 'no'. I didn't ask you a question
[11:07] <LeoBodnar> is no.. == No ?
[11:07] <craag> zohebsayed: Is this just a theoretical exercise then, or are you actually launching something?
[11:08] <Laurenceb> LeoBodnar: got a part number of the tcxo?
[11:10] <eroomde> zohebsayed: i have possibly misunderstood. maybe explain if and what you want to fly
[11:11] <LeoBodnar> If I push it I can probably make short-time sub-5g tracker but why? Balloon weighs 37g!
[11:11] <zohebsayed> its a theoritical exercise..
[11:11] <LeoBodnar> Laurenceb: I don't have it here but look for 32.768/2MHz TCXO
[11:12] <mattbrejza> Its hard to work out how much your tracker will weigh unless you draw a schematic, layout a PCB, but at this point you might as well make it
[11:12] <Laurenceb> im interested as you seem to have a 1.8v tcxo with cmos output?
[11:12] <eroomde> zohebsayed: ah ok
[11:12] <zohebsayed> I am new here.. so how to you reply to a particular person.. I can see that some people reply, and it appears in red..
[11:12] <zohebsayed> do*
[11:12] <eroomde> well, you can in theory build one from scratch that should weight maybe 15g total
[11:13] <Laurenceb> which i cant find anywhere...
[11:13] <zohebsayed> I dont need to build anything.. its just that I have to make a report, with the camera, the tracker and all the stuff which goes in the HAB, with the lowest weight possible..
[11:13] <LeoBodnar> I want to design a tracker from antimatter as theoretical exercise
[11:13] <zohebsayed> i should plan to THEORITICALLY fly it in the earth's atmosphere..
[11:13] <Laurenceb> antimatter has positiver mass
[11:13] <Laurenceb> *positive
[11:15] <eroomde> ok, well as i say people have built trackers which, inluding battery, weigh about 15g and will run conservatively for about 12hours
[11:15] <eroomde> 12-24 hours even
[11:15] <Lunar_LanderU> zohebsayed: the name in red happens if you type the exact nickname of the person, i.e. in that case you should get some sort of alert now as I wrote your name
[11:15] <zohebsayed> Lunar_LanderU: you mean like this?
[11:15] <zyp> just like that
[11:16] <Lunar_LanderU> exactly
[11:16] <LeoBodnar> zohebsayed: Here is something you can use as a practical basis http://leobodnar.com/balloons/B-2/Pages/2.html
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[11:16] <LeoBodnar> Lose clips for sub-10g tracker
[11:17] <Lunar_LanderU> are there flights in cambodia now?
[11:17] <chrisg7ogx> i lost b6 about half eleven our time
[11:17] <LeoBodnar> But why zohebsayed ? WHat is your camera theoretical weight?
[11:17] <LeoBodnar> Still bloody good going chrisg7ogx
[11:17] <eroomde> yes, what constitutes the main purpose of this theoretical study?
[11:18] <eroomde> i mean we can just tell you a tracker is 15g and a camera is 50g but that does not a thesis make :)
[11:18] <Lunar_LanderU> is it about the dynamics of a balloon with a given inflation and payload?
[11:18] <LeoBodnar> A thesis makes what eroomde yes?
[11:19] <chrisg7ogx> leobodnar tks i think I'm going to get a 70cmsbeam
[11:20] <LeoBodnar> Make the balloon infinitesimally thin and in theory it needs no free lift to go up.
[11:20] <fsphil> vacuum balloon
[11:21] <fsphil> stays afloat forever
[11:21] <eroomde> a thesis makes prizes LeoBodnar
[11:23] <LeoBodnar> Does vacuum balloon attain enough kinetic energy to leave solar system?
[11:24] <Laurenceb> Leobodnar: tcxo is running on 2v?
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[11:24] <fsphil> if it was big enough I guess solar winds would push it
[11:25] <eroomde> i don't think an infinitessimally thin balloon would float
[11:25] <eroomde> as balloons rely on the presure difference between the top and bottom of them
[11:25] <LeoBodnar> WHat if vacuum balloon is so big it displaces enough atmosphere to affect tidal pattern? Is it good for the economy or not?
[11:26] <eroomde> it might affect house prices
[11:26] <fsphil> increase immigration
[11:26] <eroomde> claim beenfits
[11:27] <daveake> prevent global warming
[11:27] <fsphil> I'm surprised the daily mail hasn't had a story about foreign air getting into the country, poisioning kids
[11:27] <LeoBodnar> eroomde: Does that mean that taller balloons have less lift?
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[11:27] <fsphil> damanding a 100km wall be built around the country
[11:27] <fsphil> *tall
[11:28] <chrisg7ogx> is that up to 26,000 per household or per balloon?
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[11:28] <daveake> Well Upu could retire his fence code
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[11:29] <eroomde> LeoBodnar: probably more
[11:30] <fsphil> be more aerodynamic too
[11:30] <fsphil> rocket shaped balloons
[11:30] <LeoBodnar> Rockets are lighter when vertical?
[11:31] <fsphil> same weight no matter what way they are
[11:31] <eroomde> i suspect their weight is the same
[11:31] <fsphil> top tip: if one is falling, don't run towards the shadow
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[11:32] <LeoBodnar> on a rainy day fsphil
[11:35] <fsphil> don't launch on a rainy day
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[11:35] <fsphil> or in scotland
[11:41] <eroomde> i've launched in scotland
[11:41] <eroomde> wasn't so much rain as horizontal blizaard
[11:41] <eroomde> then sun
[11:41] <eroomde> then blizzard
[11:41] <eroomde> with a 30min period
[11:41] <Laurenceb> Leobodnar: tcxo is running on 2v?
[11:42] Action: Laurenceb is very confused as to how LeoBodnar managed to get the tcxo running
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[11:42] <Laurenceb> does pic have clipped sine input or something?
[11:43] <Lunar_LanderU> fsphil: archimede's principle is good
[11:43] <Lunar_LanderU> :) I like the idea that you could do HAB on Venus with water vapour
[11:44] <Laurenceb> as 2v tcxos with cmos output seem not to exist
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[11:49] <fsphil> Lunar_LanderU: you'd need a vacuum balloon on jupiter
[11:49] <fsphil> or very hot hydrogen
[11:50] <Lunar_LanderU> yea
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[11:53] <UpuWork> ok so does an AA battery last longer than an AAA - confirmed it does
[11:53] <zyp> wonder why
[11:53] <zyp> &
[11:53] <UpuWork> what else are we testing LeoBodnar ? :)
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[11:54] <Laurenceb> multi day float
[11:54] <mfa298> wow, almost 50k positions on spacenear.us
[11:54] <Lunar_LanderU> ohhh testing
[11:54] <Lunar_LanderU> GLaDOS
[11:55] <LeoBodnar> UpuWork: ability of spacenear.us to cope with a lot of track points :)
[11:55] <mfa298> G4MYS is doing well. although he's got a pretty good path down southampton water
[11:56] <x-f> battery and temperature - http://i.imgur.com/sAM3Wli.png
[11:56] <UpuWork> oh we can prune those
[11:56] <UpuWork> it can handle it
[11:56] <LeoBodnar> Seriously, if it loses He and descends to ground overnight then we have to re-think floating concept
[11:56] <x-f> how come B-6 is still ascending?
[11:57] <UpuWork> its unusual to last 2 day night cycles
[11:57] <LeoBodnar> Laurenceb: yes it does run off 2v
[11:57] <UpuWork> really unusual
[11:57] <UpuWork> amazed its still up
[11:57] <Laurenceb> LeoBodnar: and its logic output?
[11:57] <Laurenceb> where did you find it?
[11:57] <LeoBodnar> No, 0.8v sinewave
[11:58] <Laurenceb> aha
[11:58] <gonzo__> didn't realise anything was flying. Checked mail ansd spacenear yesterday
[11:58] <Laurenceb> so how do you convert to logic level for the silabs?
[11:59] <Laurenceb> oh
[11:59] <Laurenceb> silabs can take sine
[11:59] <Laurenceb> nice stuff
[11:59] <LeoBodnar> I can't remember Laurenceb , it just works. I have designed it almost a month ago - it's like eternity since then
[12:00] <Ugi> is B-6 up now? Nothing on spacenear for me all morning
[12:00] <Laurenceb> looks like si446x is happy with sine
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[12:00] <mattbrejza> doesnt a normal crystal give a lowish amplitude sine anyway?
[12:00] <mfa298> Ugi: it's still up and should appear but there's a fair bit of data for your browser to load
[12:00] <mfa298> also don't use IE
[12:00] <UpuWork> Ugi its up and working fine
[12:01] <x-f> ground speed is ~13 km/h
[12:01] <Lunar_LanderU> LeoBodnar: in your B-5 flight log, the pressure is in what units?
[12:01] <Lunar_LanderU> kPa?
[12:01] <LeoBodnar> Depends on the drive circuit gain mattbrejza
[12:01] <LeoBodnar> yes Lunar_LanderU
[12:01] <Lunar_LanderU> thanks
[12:02] <Laurenceb> and you can use the silabs si446x as a sine to logic level converter as well
[12:02] <Laurenceb> very smart
[12:02] <SpeedEvil> Wait - was this the delta-p flight?
[12:02] <Laurenceb> and very low current daw
[12:02] <SpeedEvil> Or has that already flown.
[12:02] <Laurenceb> just passed midday
[12:03] <LeoBodnar> Laurenceb: you can use it as low phase noise LO. But it has class-E amp (~OC output) so filter it well
[12:03] <Laurenceb> yeah i know
[12:04] <LeoBodnar> Phase noise is excellent on Si446* and Si406*
[12:04] <Laurenceb> http://i.imgur.com/9cC04.jpg
[12:04] <Laurenceb> made that a couple of years ago
[12:04] <Laurenceb> using earlier silabs
[12:04] <LeoBodnar> Good job! Any more details?
[12:05] <Laurenceb> https://github.com/Laurenceb/Dactyl
[12:05] <Laurenceb> its kind of abandoned
[12:05] <Laurenceb> im going to make a version two and port taulabs firmware to it
[12:05] <LeoBodnar> What's U11 - level converter?
[12:05] <Laurenceb> rf switch
[12:06] <Laurenceb> sorry
[12:06] <Laurenceb> yes
[12:06] <Laurenceb> U4 == rf switch, u11 = 3v3 to 5v convertor for servos
[12:06] <Laurenceb> U2 = rs485
[12:06] <LeoBodnar> Is STM32 a Cortex-M3?
[12:06] <Laurenceb> yes
[12:07] <Laurenceb> it was kind of a "does it all" autopilot board
[12:07] <LeoBodnar> What is their lowest consumed power? I have used SAM3U but current draw is massive compared to AVA/PICs
[12:07] <Laurenceb> well if you use sleep mode...
[12:07] <Laurenceb> its microamps
[12:07] <Laurenceb> but you lose ram
[12:08] <zyp> stm32l is probably more power efficient than AVR
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[12:08] <LeoBodnar> I mean when you need to do something otherwise why spec 32 bit stuff?
[12:08] <cyclops> Hi!
[12:08] <Laurenceb> id imagine on stm32f103 its a few hundred microamps at low speed with ram and flash running
[12:08] <zyp> Laurenceb, there are different sleep modes, you don't need to go to the deepest to see power savings
[12:08] <eroomde> yeah, i've found their joules per computation to be better
[12:08] <Laurenceb> stm32l1 is massively better than avr, its even better than msp430 by most measures
[12:08] <Laurenceb> yeah
[12:08] <zyp> LeoBodnar, why not? 8-bit is pretty much obsolete by now anyway
[12:09] <craag> The new M0+ looks fantastic for power efficiency.
[12:09] <craag> Same current as an AVR or less, at 48MHz 32-bit.
[12:09] <Lunar_LanderU> LeoBodnar: http://s.gullipics.com/image/4/i/m/ji1rd83-ksgn31-kbew/Graph6.png and http://s.gullipics.com/image/o/f/3/ji1rd83-ksgn81-je76/Graph7.png
[12:09] <Lunar_LanderU> :)
[12:09] <SpeedEvil> It brings into possibility something I've been wondering about for a while.
[12:09] <SpeedEvil> A button-cell class device powered keyring finder.
[12:10] <Laurenceb> interesting profile
[12:10] <SpeedEvil> That detects a whistled tune.
[12:10] <Laurenceb> maybe less sun hits it towards midday
[12:10] <SpeedEvil> FFT (or similar) to detect specific notes at appropriate timing intervals.
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[12:11] <Laurenceb> Leobodnar: for version 2 of that board, i need to devise some better rf
[12:11] <Laurenceb> ill prob go with si446x and sine tcxo
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[12:14] <cyclops> Guys
[12:14] <Laurenceb> silabs now do arm micros
[12:14] <Laurenceb> http://www.silabs.com/products/mcu/lowpower/Pages/SiM3L1xx.aspx
[12:14] <cyclops> The RTTY used in the balloons radio is able to send info at which speed?
[12:14] <Laurenceb> ^those are nutty low power
[12:15] <daveake> cyclops Various but 50 is most common
[12:15] <mfa298> cyclops: people have done 600baud rtty but for starting off 50baud is easier
[12:15] Nick change: WillDuckworth_ -> WillDuckworth
[12:16] <eroomde> LeoBodnar: any thoughts on 2-core wire, ideally 1mm^2, silicone insulation? figure-8 wire not something in a huge outer jacket
[12:16] <cyclops> hum
[12:16] <cyclops> will I have any speed problem if I want to send GPS Coords, Speed, Acc, Temp and other simple data?
[12:17] <mfa298> that sounds like similar sorts of data that other people send
[12:17] <eroomde> well that depends on how fast you want it doesn't it
[12:17] <daveake> Well typically with those it'll be 15-20 seconds per sentence which is fine
[12:17] <craag> cyclops: 50baud: With just gps co-ordinaates you'll get new data every 10s, with that telemetry about 15s
[12:17] <daveake> fine for chasing anyway
[12:17] <cyclops> Great
[12:18] <daveake> If you want to do something with the data you may want it faster, or store locally
[12:18] <daveake> But for chasing and "ooh it's cold up there", 15 seconds or so is just fine
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[12:19] <mfa298> I'd get it working at 50baud first, once you understand how the code works it shouldn't be hard to speed it up if you want more.
[12:19] <cyclops> perfect
[12:19] <cyclops> Ill try to ad a micro sd module
[12:20] <cyclops> so the arduino also logs it locally
[12:20] <eroomde> that's a very good idea
[12:20] <eroomde> having a good post-flight data log is very useful
[12:20] <mfa298> 50baud is likely to be easier if you're trying to get local hams recieving the data as well. 300baud seems to take people longer to grasp.
[12:20] <eroomde> and you can log sensor information for which the update rates the radio would make it not very useful
[12:20] <eroomde> eg gyro data
[12:22] <cyclops> Ill try to sort out how to do it :P
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[12:22] <Laurenceb> did someone say arduino?
[12:22] <eroomde> no
[12:22] <cyclops> Yep
[12:22] <eroomde> no you didn't
[12:22] <Laurenceb> lolz
[12:22] <eroomde> i'm enjoying hyde Laurenceb
[12:22] <UpuWork> lol
[12:22] <cyclops> so for logging
[12:23] <eroomde> i mean jekyll Laurenceb, even
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[12:24] <Ugi_> Hummm. not sure what happened there. Kicked off the work server
[12:24] <cyclops> a Micro sd shield would do the job?
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[12:36] <cyclops> Any reccommendd hardware to log from arduino to an sd/microsd?
[12:36] <craag> microsd shield would do the job
[12:37] <craag> If you want to make it cheaper, look at the schematic and built it yourself.
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[12:38] <Laurenceb> slightly worrying upward drift
[12:39] <cyclops> like this one crag http://www.ebay.es/itm/MicroSD-SD-Adapter-Shield-For-UNO-R3-MEGA-1280-2560-Arduino-Freeduino-Duino-/121116590931?pt=Vintage_Electronics_R2&hash=item1c331c8353&_uhb=1#ht_1952wt_1141
[12:39] <craag> Erm notice that one says it has a 5V converter on it
[12:39] <craag> I'd suggest using a 3.3V arduino
[12:40] <craag> So you want one without the 5V converter (as microsd is 3.3V)
[12:40] <cyclops> ok
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[12:43] <cyclops> http://bit.ly/1bg4YzY like this one?
[12:44] Rom (5ad07859@gateway/web/freenode/ip.90.208.120.89) joined #highaltitude.
[12:44] <Rom> hello is upu about?
[12:45] <UpuWork> o7
[12:45] <craag> cyclops: Looks great.
[12:46] <craag> I don't think it'll fit into the arduino headers, so you'll have to wire it up.
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[12:46] <cyclops> One noob question
[12:46] <cyclops> if i stack one module
[12:46] <craag> But I'd suggest soldering everything rather than relying on headers anyway.
[12:46] <cyclops> i can still atach more sensors/sd modules
[12:46] <Rom> been asked to speak to you about the GPS module before purchasing
[12:47] <LeoBodnar> Good analysis Lunar_LanderU !
[12:47] <Lunar_LanderU> you're welcome :)
[12:47] <craag> cyclops: I think you can, as long as they don't use the same pins. But I've never played around with stacked modules.
[12:49] <cyclops> was planning to stacks upus Habduino http://www.habduino.org/data/uploads/img_1844.jpg
[12:49] <Darkside> wait
[12:49] <Darkside> MTW?
[12:49] <Darkside> not MTM
[12:49] <Darkside> argh
[12:49] <iain_G4SGX> Is it worth seeing if facebook amateur radio page can get us any more mid/south France trackers? May be worth a try. Battery is still looking good.
[12:49] <LeoBodnar> eroomde: I haven't used much silicon wire, does Farnell have anything along these lines?
[12:50] <eroomde> doesn't seem to
[12:51] <eroomde> increasingly thinking i'll be lucky to find any
[12:52] <UpuWork> hi Rom
[12:52] <LeoBodnar> How about good quality instrument probe wire? Do they have to be joined?
[12:52] <Rom> hi upuwork
[12:52] <UpuWork> how can I help ?
[12:53] <eroomde> LeoBodnar: yes
[12:53] <eroomde> otherwise i have to manually join them into a pair
[12:53] <eroomde> and that's annoying
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[12:55] <Rom> upuwork ; i am about to purchase a gps module and radio module, however it says in the description that i should come on here to discuss which one, as i am about to get the radio module i guess my options are between the NTX2 434.075 and the 434.650?
[12:56] <eroomde> yes it's all about frequency choice as you're about to discover via pm :)
[12:57] <UpuWork> you have a PM Rom
[12:58] <Laurenceb> http://i.imgur.com/IRK0T3T.png
[12:58] <Laurenceb> pressure control LIKE A BOSS
[13:00] <LeoBodnar> I am struggling to find anything eroomde
[13:01] <x-f> iain_G4SGX, predictor thinks, it's not worth it - http://predict.habhub.org/#!/uuid=99eabd96972165a496c9a7942301dd6eb6e3e785
[13:02] <craag> Yeah this is the point where it u-turns and goes back over holland according to the predictions yesterday as well.
[13:02] <craag> which would be awesome :D
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[13:04] <cyclops_> tes
[13:04] <craag> Ah another 2 hours til u-turn.
[13:05] <PE2G> Hi all, what's the dial for B-6?
[13:06] <craag> 434.500
[13:06] <x-f> 434.501.700
[13:06] <PE2G> Thanks
[13:06] <x-f> LeoBodnar, do you paint faces on your payloads?
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[13:06] <Laurenceb> no
[13:06] <Laurenceb> primary school is that way ->
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[13:07] <gonzo__> pass me the hand paints
[13:07] Action: Steffanx puts that sentence from laurenceb into his list of quotes.
[13:07] <craag> I'm going to predict that it'll reach Rambouillet before deciding it's had enough of France and heading up to see our dutch friends :)
[13:08] <x-f> Laurenceb, what, it's pretty - http://ava.upuaut.net/wp-content/uploads/2013/04/IMG_1529-1024x768.jpg
[13:08] <Laurenceb> http://www.st.com/st-web-ui/static/active/en/fragment/sales_and_marketing/banner/homepage_banner/STM32L1_homepage.jpg
[13:08] <Laurenceb> x-f: rocketboy doesnt look too exited by itv
[13:08] <Laurenceb> *it
[13:08] <LeoBodnar> I put a smiley on. There is too little surface area. I tried to put "harmless scientific experiment" on it but run out of space after "harm.."
[13:08] <daveake> he prefers bbc
[13:09] <daveake> hah
[13:10] <Laurenceb> big black... ?
[13:10] <daveake> big balloon corp
[13:10] <mfa298> need to find enough space for "mostly harmless"
[13:11] <LeoBodnar> Maybe just "1 of ur 5 a day"
[13:14] <UpuWork> I think the most amusing part of that silly face
[13:14] <UpuWork> is Radim climbed up a 1 mile high mountain to be met with that
[13:15] <fsphil> still smiling
[13:15] <x-f> "friends have come to rescue me!"
[13:15] <fsphil> "oh no, they've put me in a bag!"
[13:16] <Babs> someone should put a jack in the box in one
[13:16] <Babs> scared sh1tless can still be harmless
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[13:24] <LeoBodnar> I wonder if from the ascent profile one can deduce whether there is Helium leak or not.
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[13:26] <Laurenceb> LeoBodnar: i was wondering that
[13:26] <Laurenceb> theoretically it should reach max altitude slightly after midday
[13:27] <Laurenceb> but theres so much atmospheric stuff going on..
[13:27] <Laurenceb> and you'd expect a little creep
[13:27] <Laurenceb> id say if it goes above 7km there might be an issue
[13:28] <Laurenceb> OH
[13:28] Action: Laurenceb just saw the map of paris, with all the numbers
[13:29] <Laurenceb> now i understand the address system
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[13:30] <fsphil> annoyingly simple
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[13:31] <LeoBodnar> This is interesting (re:numbering systems) http://www.youtube.com/watch?v=q1zh49J5rsg
[13:36] <Steffanx> Terrible numbering system :S
[13:47] <UpuWork> Icarus is launching tommorrow
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[13:49] <G0TDJ_AFK> UpuWork: Any idea when tomorrow for Icarus?
[13:49] <UpuWork> nope
[13:49] <UpuWork> further info when I have it
[13:49] <G0TDJ_AFK> OK
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[13:51] <Babs> Is that a robert harrison balloon upuwork?
[13:52] <UpuWork> yes Babs
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[13:53] <Babs> Cool. He was the first guy I remember I heard of doing this (this may be because he was indeed the first guy who did this). I have him down as the Mr Miyagi of HAB-ing. Or equivalently, for those who skateboarded in their youth in the 1980s, Animal Chin.
[13:55] <daveake> Babs First in UK was jcoxon followed by rocketboy
[13:55] <daveake> Rob though got the full media treatment
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[13:57] <Laurenceb> CUSF were second
[13:57] <Babs> daveake - good knowledge. I remember my maths tutor saying that his favourite people were not those who finessed a solution to a theorem, but more those that first broke the back of it.
[13:57] <Laurenceb> 1) jcoxon, 2) cusf, 3) jcoxon/rocketboy + me
[13:58] <daveake> I sit corrected
[13:59] <Laurenceb> cant remeber if cusf were flying 434mhz
[14:00] <Laurenceb> jcoxon was flying an off the shelf digital module
[14:00] <Laurenceb> rocketboy flew 434mhz, i was flying an ericsson t26
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[14:01] <Laurenceb> with atmega8 and sirf2 :P
[14:01] <Laurenceb> jcoxon was flying old xscale basedgumstix
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[14:03] <Laurenceb> 17 hours float :P
[14:05] <Laurenceb> http://www.pegasushabproject.org.uk/wiki/doku.php/missions:pegasus1
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[14:14] <x-f> nice story, it wasn't all that easy back then
[14:15] Nick change: Steffanx -> Steffann
[14:16] Nick change: Steffann -> Steffanx
[14:18] <Laurenceb> i came up with the idea independently around 2001, but took a while to get the kit together
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[14:19] <fsphil> I'd seen video of the flights being done in the uS, and I don't remember how I found the channel but I somehow ended up here
[14:20] <fsphil> just before Rob's media flutter
[14:22] <daveake> Not sure if I saw Rob's thing or not. Probably did. I didn't think of having a go myself till I saw a YT video in Feb 2011
[14:22] <LeoBodnar> Does Rob visit this channel?
[14:22] <daveake> That just used a GSM tracker but it didn't take much googling till I found the One True Way and this place
[14:23] <daveake> not often
[14:24] <LeoBodnar> B-6 baby, turn back
[14:24] <Babs> my first one had a GSM tracker. I loved watching the track of the balloon all the way up and down in May, but the silence and then bam! of a text message indicating that the thing was down on my first go was more of a suspense thrill
[14:24] <fsphil> yea I don't think I'd like that
[14:24] <fsphil> esp. as it's quite often followed by annoying silence
[14:24] <Babs> although there was enough suspense when daveake told me BABSHAB was going up at 1.8m/s and was going to land in the Irish Sea
[14:25] <daveake> it did look like it!
[14:25] <Babs> I guess knowing how it was going to die was better than not knowing how it had died
[14:25] <Babs> On my first go I felt like Mrs Steve Fosset
[14:25] <GMT> in 2005 I can remember seeing a YT video and web-site for some US launches; I managed to find them again last year, and from those vids I found the UK vids that led to here
[14:25] <Babs> those were scary times daveake
[14:26] <Babs> looking at the telemetry later it did get a lot faster when the atmosphere thinned
[14:26] <daveake> I bet
[14:27] <Babs> I think it was definitely an issue of the calculator becoming more innaccurate with a mahusive highly filled balloon with all attendant increased surface area etc.
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[14:27] <daveake> Remind me ... what balloon / payload weight / neck lift?
[14:28] <UpuWork> LeoBodnar if it survives 2 nights I'll be properly impressed
[14:28] <daveake> Doens't look like giving up anytime soon
[14:28] <UpuWork> but you have battery until 1900 tommorrow evening so this should be fun
[14:31] <Babs> 2000g hwoyee, 3.65kg payload, 1.4kg of free lift.
[14:31] <fsphil> just hope it stays in range of someone
[14:31] <craag> fsphil: It's about to u-turn in the next hour and head up to the netherlands!
[14:32] <daveake> Babs OK a bit heavier than LOHAN then (2000/2700/1.8kg IIRC)
[14:32] <fsphil> ah perfect
[14:32] <Babs> just looking, average climb 2.7m/s, max climb 5.66m/s, min climb 1.3kg.
[14:32] <eroomde> that u-turn behaviouris bazarre
[14:32] <eroomde> assumed a predictor bug when i first saw it
[14:33] <fsphil> travelling into a different weather system?
[14:33] <Babs> what was your climb rate daveake? did you use the predictor for that or eyeball it?
[14:33] <daveake> 5m/s pretty much
[14:33] <daveake> H2 btw
[14:33] <daveake> Yes predictor
[14:33] <Babs> so you aimed for 5 m/s and got 5m/s?
[14:34] <Upu> http://ready.arl.noaa.gov/hypubout/12782_trj001.gif
[14:34] <daveake> It was supposed to be a 3kg payload and I ran the calc for that. In the end 1 GoPro wasn't used (wasn't charged)
[14:34] <daveake> Started at 4.4 crept up through 5
[14:34] <daveake> Dunno what it ended up at, but H2 does tend to accelerate
[14:34] <Babs> ahhh ok. i learnt the meaning of a stirk that day.
[14:34] <daveake> :)
[14:34] <UpuWork> lol
[14:35] <fsphil> "the meaning of stirk" .. there's a book someone needs to write
[14:35] <UpuWork> B-6 should about turn into the welcoming arms of our .nl listeners
[14:35] <UpuWork> I think its going to be in range
[14:35] <Babs> but all well that went well, the weather was on my side. there is a hilarious sequence of pictures of BABSHAB circling an airfield for 30 mins on the way up. virtually no horizontal movement.
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[14:36] <Piet0r> Hi
[14:36] <x-f> hi, Piet0r
[14:37] <Piet0r> I'm looking at spacenear.us
[14:38] <Piet0r> And I see Infinity_chase is en route .. but he has quite some KM's te drive :p
[14:38] <Piet0r> *to drive
[14:38] <UpuWork> i think that is an error
[14:38] <Piet0r> Oh ok
[14:38] <fsphil> 500km is nothing to infinity
[14:38] <Piet0r> Ha ;)
[14:38] <UpuWork> someone testing the chase car
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[14:38] <fsphil> yea nobody is chasing b6
[14:39] <x-f> (for now)
[14:42] <Piet0r> So who will be collecting b6?
[14:42] <UpuWork> no one
[14:42] <Piet0r> Some french guy?
[14:42] <Piet0r> Oh
[14:43] <Piet0r> So how does that work?
[14:43] <Piet0r> If someone finds it he can keep it?
[14:43] <UpuWork> it burst and lands and no one picks it up
[14:43] <craag> He just makes more..
[14:43] <UpuWork> quite easy really :)
[14:43] <daveake> Cheaper than chasing it. Plus more money for his component suppliers .............
[14:44] <craag> The idea is that the battery will run out before the balloon bursts, so there'd be no way to find it anyway.
[14:44] <Piet0r> Ah
[14:44] <Piet0r> That would be a nice present to find ;)
[14:45] <craag> It would, they are lovely-looking boards.
[14:45] <craag> If it does burst, and someone wants to get it, then they can.
[14:45] <daveake> Even tinier in real life than in the pic
[14:45] <Piet0r> It is hovering now
[14:45] <LeoBodnar> Yes, please keep it as a souvenir. Or stick new battery and fly it again.
[14:46] <daveake> HAB Relay
[14:46] <fsphil> relay
[14:46] <Piet0r> Ah
[14:46] <fsphil> wait for the winds to change, fly it back
[14:46] <daveake> I did try to fly a tracker back to Upu once
[14:47] <daveake> Fell short, and he couldn't be bothered to fetch it :p
[14:47] <UpuWork> lol
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[14:52] <Maxell> B-6's voltage is pretty stable :o
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[14:53] <Piet0r> Gut is the current location shown on spacenear.us accurate?
[14:53] <Piet0r> But*
[14:53] <fsphil> yes
[14:53] <GMT> accurate to within a few metres
[14:53] <Piet0r> Nice
[14:54] <GMT> the time listed at the top of the box shows how recent that position was taken
[14:55] <Piet0r> How often are these balloons launched?
[14:55] <UpuWork> haha
[14:55] <UpuWork> usually about once a month
[14:55] <UpuWork> however pretty much daily for the last month
[14:56] <Maxell> :O Wouter-[pa3weg]_ uploaded HABANERO launch https://www.youtube.com/watch?v=KT5m_S8ON4w
[14:56] <UpuWork> there is one tommorrow
[14:56] <UpuWork> and wednesday
[14:56] <Piet0r> wow
[14:56] <mfa298> and Leo's not announced B-7 yet!
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[14:57] <x-f> B-6 speed is about 8 km/h
[14:57] <Piet0r> Ha I hear Dutch in that YouTube video ;)
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[14:58] <daveake> At this rate he'll be launching B7 before B6 has landed
[15:00] <Babs> I'm expecting something special for B52's payload
[15:00] <mfa298> if Leo goes for 1 balloon a day how many can he have in the air at the same time?
[15:00] <Laurenceb> 18 hours float :P
[15:01] <craag> mfa298: He had talked of launching a few as a cluster :P
[15:01] <Laurenceb> just PicoAtlas IX to beat now
[15:02] <Maxell> Piet0r: yeah, duh :P
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[15:02] Action: SpeedEvil idly wonders about shapeways 3d printing technology and micro jet engines.
[15:02] <Piet0r> Ja ik weet toch niet dat er ook Nederlanders bij betrokken zijn ;)
[15:03] <Piet0r> If one of those balloons drops near Utrecht I jump in my car to pick it up!
[15:03] <GMT> UpuWork: what balloon tomorrow?
[15:04] <f5vmh_theo> We will organise ,togheder ADRASEC 28 to pick up it
[15:04] <f5vmh_theo> if it will drop in France
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[15:05] <Jess--> 21 hours and still going strong for B-6... Nice
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[15:07] <GMT> can anyone advise best way to make a cable to connect my scanner to smartphone for habbing?
[15:08] <craag> GMT may I point you to the wiki... http://ukhas.org.uk/projects:hab_modem
[15:08] <Jess--> GMT: some wire and a couple of plugs would be a good start ;)
[15:08] <Jess--> sorry... couldnt resist it
[15:10] <GMT> craag: but the socket on my scanner does not look like that, it's a standard mono 3.5mm socket
[15:11] <craag> GMT: Where is says TIP and GND on the diagram, connect that to TIP and GND of the mono 3.5mm
[15:12] <GMT> okay, I will give it a go.
[15:13] <Maxell> Piet0r: HABANERO crew is 100% Dutch :-)
[15:14] <Maxell> Piet0r: https://revspace.nl/HAB_launch_2 :p
[15:14] <UpuWork> no idea GMT
[15:15] <GMT> UpU: you said about 'one tomorrow, one wednesday' ... Daves, on Weds eve; Tuesday? I will check notams
[15:15] <UpuWork> Icarus
[15:17] <GMT> There's a 'open ended' NOTAM for another flight from Boston Spa (your's Jess, I think)
[15:17] <UpuWork> thats the one
[15:18] <daveake> I don't have a notam yet but it's promised
[15:18] <GMT> okay, just trying to work out when launches are, so that I can arrange for a friend to see/watch spacenear, and maybe join on IRC
[15:18] <daveake> Fairford Air Show this weekend. That's the only thing that's stopped me getting a NOTAM in the past
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[15:19] <daveake> and their NOTAM (a big red "R" one) starts Wednesday
[15:20] <Jess--> boston spa isn't mine
[15:20] <GMT> Jess--: oh, okay!
[15:20] <UpuWork> you're up for a late night daveake
[15:21] <daveake> Yup
[15:21] <daveake> I know
[15:21] <daveake> But sunset photos
[15:21] <daveake> I'll fly the 810 see how gootd that is
[15:22] <craag> Hmm another 31.4km photo at sunset..
[15:22] <craag> That would look good.
[15:22] <daveake> Moon is up then too
[15:22] <Jess--> GMT: where are you seeing the notam?
[15:22] <GMT> US Dept of Defence site
[15:23] <craag> Yeah, also balloon would be brightly lit, but lower atmosphere not so much :)
[15:23] <daveake> AIS should be quicker
[15:23] <Jess--> link?
[15:23] <GMT> https://www.notams.faa.gov/dinsQueryWeb/
[15:24] <GMT> and put in the code for UK airspace as 'EGTT' ... you get another window with the full notam text, and then search for 'balloon'
[15:25] <Jess--> cheers, that's much better than where I was looking... http://notaminfo.com/ukmap
[15:25] <daveake> Yeah notaminfo is good for seeing the map but can be slow to update
[15:26] <GMT> the map method is good, the plain-text method (wot I said above) gives a plain text version so you can search for things
[15:26] <daveake> For that I just go to the AIS site
[15:26] <GMT> it's all the same source, one draws a pretty picture
[15:26] <GMT> and you don't have to register
[15:27] <LeoBodnar> UpuWork: daveake Pete I was with on Saturday has met a team of guys taking the photo of LOHAN balloon. He chatted to them and they said they were "unofficial chase team". They had a telescope and could see the burst moment while they were talking. It was at Holiday Inn at Solstice business park services. I think they were photo stills.
[15:28] <mfa298> LeoBodnar: that was craag and myself that he met
[15:28] <LeoBodnar> Ah! A small world! :)
[15:28] <daveake> Yeah we met them all :)
[15:28] <daveake> They did better than the official chase team :p
[15:28] Nick change: Jess-- -> Jess--away
[15:29] <mfa298> you can see the pics that craag took here: https://www.thecraag.com/photos/index.php?album=lohan-hab-chase/
[15:30] <craag> Ah, the guy in the camper van?!
[15:33] <LeoBodnar> Yes
[15:33] <craag> Cool, small world indeed!
[15:33] <LeoBodnar> Just showed Pete pics
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[15:37] <DL7AD> good morning!
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[15:39] <UpuWork> Yes LeoBodnar
[15:39] <UpuWork> it was craag :)
[15:39] <LeoBodnar> morning DL7AD
[15:40] <LeoBodnar> Does anybody have high res closeup photo of malfunctioned pyro/release cord?
[15:40] <DL7AD> i found out the french station antennas are not as good as i exspected
[15:41] <LeoBodnar> Really? What was the problem?
[15:41] <UpuWork> mfa298 & craag met us at the landing site too
[15:42] <craag> LeoBodnar: No, I assumed elReg would cover that themselves.
[15:43] <craag> The pyro cords has just gone out, about an inch from the ignitor assembly.
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[15:44] <craag> We reckoned that it didn't produce enough heat to ignite the rest of the cord (at <-20) at some imperfection.
[15:45] <F5mvo> LeoBodnar : have you receive my info about B6 frequency this morning ?
[15:46] <LeoBodnar> F5mvo: No, what email address did you send it to?
[15:46] <F5mvo> i send on this forum
[15:46] <F5mvo> LeoBodnar : 434.501.700
[15:47] <LeoBodnar> Ah, I sorry I might have been driving to work. Merci very much F5mvo !
[15:47] <F5mvo> LeoBodnar : very stable
[15:47] <LeoBodnar> Cool! This is what I was trying to achieve
[15:48] <Laurenceb> LeoBodnar: so you clock the pic off the silabs clkout pin?
[15:48] <LeoBodnar> Used to in the Rev.A but now directly from the TCXO
[15:49] <F5mvo> LeoBodnar : its a good assembly
[15:49] <Laurenceb> oh, pic can clk off sine wave?
[15:49] <LeoBodnar> Thanks F5mvo !
[15:49] <LeoBodnar> With a bit of swearing-word-saying and furniture-kicking it can Laurenceb
[15:50] <Laurenceb> lol i see
[15:50] <Laurenceb> i had to use a not gate on my stm32
[15:50] <Laurenceb> but im not sure if there are haxor ways to make it work
[15:51] <Piet0r> I have to go
[15:51] <Piet0r> Thank you for the info and good luck :)
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[15:53] <F5mvo> LeoBodnar : its up since what time ?
[15:53] <UpuWork> 24 hours is 18:38 UTC F5mvo
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[15:54] <UpuWork> Power on was 18:38 UTC yestrerday
[15:55] <F5mvo> UpuWork : thank, good assembly
[15:55] <LeoBodnar> 0.8v is a bit too small for ST input even with 1.8v Laurenceb
[15:55] <Laurenceb> i know
[15:55] <LeoBodnar> Laurenceb: but there is a way Laurenceb :)
[15:55] <Laurenceb> i had to add a not gate
[15:56] <Laurenceb> put it in xtal mode and confuse it into running?
[15:56] <Laurenceb> xtal at low drive level?
[15:56] <LeoBodnar> Yes, make it self-bias and inject the sinewave
[15:56] <Laurenceb> very clever
[15:56] <Laurenceb> ill have to try on my stm32f4 boards
[15:56] <Laurenceb> thanks for the tip
[15:57] <LeoBodnar> Woz would have done it this way I am sure
[15:57] <daveake> Can't say higher than that
[15:58] <LeoBodnar> I admire the guy
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[15:58] <LeoBodnar> He should be HABbing
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[15:59] Nick change: number10_M0MDB -> number10
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[16:02] <Laurenceb> looks like altitude might have stabilized
[16:02] <LeoBodnar> It just does not make any sense, prediction is directly opposite to where B-6 is going http://ready.arl.noaa.gov/hypubout/14440_trj001.gif
[16:03] <Laurenceb> lol
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[16:03] <Laurenceb> be interesting to see what happens at sunset
[16:03] <LeoBodnar> You can't blame it on units system
[16:04] <Laurenceb> i suspect picoatlas IX got condensation
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[16:04] <Laurenceb> i think this is too high for that
[16:04] <eroomde> that's what i did with the gps receiver clock
[16:04] <eroomde> ac coupled and self-biasing
[16:04] <Laurenceb> lolz
[16:04] <Geoff-G8DHE_> Oh partial decodes from Seaford Head
[16:04] Action: Laurenceb was trying to solve same issue
[16:04] <Laurenceb> for SDr GPS
[16:04] <LeoBodnar> LeoBodnar shakes eroomde's hand
[16:04] <eroomde> yes
[16:04] <LeoBodnar> in a secret handshake manner
[16:04] <eroomde> didn't want to pull the crystal around too much as i wanted it to be accurate
[16:05] <Laurenceb> i now have a deadbugged sot-70 on my lovely board :(
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[16:05] <eroomde> though that was pointless really because the kalman filter tracks the receiver clock freq anyway
[16:05] <eroomde> the happy news is that the tcxo is good to 0.1ppm
[16:05] <eroomde> as compared to the gps clocks
[16:06] <Laurenceb> yeah, tens of Khz doppler
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[16:06] <eroomde> the excap dongle is
[16:06] <eroomde> wait for it
[16:06] <eroomde> *atrocious*
[16:06] <Babs> eroomde - are you going to do kalman filters in your talk?
[16:06] <Babs> pleeeeeeeeeeeeeeeeeeeeeeease
[16:06] <Laurenceb> LeoBodnar: i think the prediction is just out in its timing
[16:06] <Laurenceb> you often see that
[16:07] <eroomde> so much phase noise it might aswell be governed by nuclear decay or something
[16:07] <Laurenceb> wind will change .. later
[16:07] <Babs> you can have first dibs on the cakes i will bring
[16:07] <Babs> (which includes a Giant Jaffa, just in case anyone else needs an incentive to buy a ticket)
[16:09] <eroomde> Babs: i can't do that AND gps in 2 hours
[16:10] <eroomde> not in the 'the only prerequisite is you need to know how to multiply 2 numbers' style i'm aiming for with the gps talk
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[16:11] <eroomde> there's already enough to do there, like explaining sampling theory and fouriter transforms and stuff
[16:11] <eroomde> i really need to test-run this talk on some poeple before
[16:11] <Babs> eroomde - I'll reserve a couple of out of code Tesco value jam tarts for you on that basis.
[16:11] <Babs> kalman filters for 2014 then ;-)
[16:12] <eroomde> i might do a vidcasty thing on them
[16:12] <eroomde> if people like the gps talk
[16:12] <F5mvo> LeoBodnar : its plane slowly around at 21 kms
[16:12] <eroomde> i can do vidcasty things in a similar vein
[16:12] <F5mvo> LeoBodnar : its plane slowly around at 21 kms/h
[16:13] <Babs> There's certainly been a gap in the presenting market since Magnus Pyke died
[16:13] <eroomde> i don't know who he is
[16:13] <eroomde> he died when i was 4
[16:13] <eroomde> says wikipedia
[16:13] <Babs> I was watching him aged 4
[16:13] <eroomde> i wasn't
[16:13] <Babs> You had your chance
[16:13] <eroomde> because he was dead
[16:14] <Babs> He was like Adam Hart Davis for the 1980s
[16:14] <Babs> although with a crazy delivery, even by Hart Davis's standards
[16:14] <Babs> daveake will remember him
[16:15] <eroomde> i missed but have rewatched james burke
[16:15] <GMT> james burke was good, spoke very fast
[16:16] <GMT> Pyke was good too
[16:16] <Laurenceb> http://goldenageofmusicvideo.com/wp-content/uploads/2012/03/MagnusPyke.jpg
[16:16] <Laurenceb> hmmm
[16:16] <eroomde> that is so so pro, you don't get better presenting than that
[16:17] Action: cm13g09 thought he's got rid of dippy users by going to work on 3rd line support.....
[16:18] <g4sgx-iain> Hi y'all.Got GPS working in my thinkpad, but Dl-Flidgi doesn't wanna read it. Is there an issue with Flidgi makes this more difficult than it should be? .
[16:18] <F5mvo> LeoBodnar : during the night the protocol transmitter its the same ?
[16:18] <SpeedEvil> Patrick Moore (before the last decade) was insanely fast.
[16:19] <LeoBodnar> F5mvo: it is supposed to turn around 180 degrees and go North
[16:20] <F5mvo> LeoBodnar : during the night its transmitt like now ?
[16:20] <LeoBodnar> F5mvo: yes, but it transmits for 2 minutes, then beeps for 4 minutes and repeat again. 23:00 - 05:00 UTC
[16:20] <LeoBodnar> Same frequency and information
[16:21] <Ugi> g4sgx-iain: I'm not sure Fldigi can handle GPS under windows.
[16:21] <Ugi> I tried once and failed
[16:21] <Ugi> but others have also had issues
[16:21] <Ugi> mind you - it was not helped in my case by windows thinking my GPS was a mouse!
[16:22] <Ugi> of course you may be using another OS entirely
[16:22] <Geoff-G8DHE_> Still copying from the UK! Had to move a bit however ;-)
[16:22] <LeoBodnar> F5mvo: do you have the pool by your house? :)
[16:23] <SpeedEvil> cm13g09: On the terms of justifiable homicide in tech support - 'I do not think it is a glitch. There are aspects of security about that-getting halfway through, leaving something effectively open and then returning to it. In many ways it is safer to shut it down and start again from a security point of view.'
[16:23] <F5mvo> LeoBodnar : no sorry, not swimming poll at home !
[16:24] <SpeedEvil> (Speaking of the application form for universal credit, which does not support saving in the middle of an hour-plus long effort)
[16:24] <F5mvo> LeoBodnar : you see on googleeearth ?
[16:24] <F5mvo> LeoBodnar : you see it on googleeearth ?
[16:25] <g4sgx-iain> upu; Well oddly enough I run both but starting with windows. Got other apps picking the nmea up ok. Odd.
[16:26] <Laurenceb> a bit turbulent up there
[16:28] <LeoBodnar> yes, just zoomed on your receiver icon :) F5mvo
[16:28] <Laurenceb> 20 hours float :P
[16:28] <cm13g09> SpeedEvil: lol
[16:28] <F5mvo> LeoBodnar : 30 degrees celsius outside
[16:28] <cm13g09> that pales into insignificance
[16:29] <cm13g09> with somebody who uses Word to manage their files :)
[16:29] <LeoBodnar> Oh! 30 degrees in big city must be tough
[16:30] <SpeedEvil> cm13g09: To a degree - but in principle you'd hope people actually employed to design things would have a clue. Users have excuses - often semi-valid ones. Even if only stupidity or inertia.
[16:30] <eroomde> how do you manage files with word cm13g09 ?
[16:32] <Babs> In my early years one of my colleagues had an old secretary (it was a new job). One of the senior guys asked me to go and get a "letter he had written to X" on some date or other.
[16:33] <Ugi> g4sgx-iain: I had the GPS strings printing fine to the serial monitor but fldigi would not read it. Then Windows decided it was a mouse and the world went mad.
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[16:33] <Ugi> I suspect if you have access to another OS then you will have an easier time in that.
[16:33] <Babs> So I went to the secretary and asked for "the letter he had written to X". She went to her desktop, opened a folder and there were 700 or so files in it, all numbered from 1 to 700.
[16:34] <eroomde> holy...
[16:34] <Babs> She picked like file number 348 and up popped the letter. I said "that's amazing, how did you know where to find the file?"
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[16:35] <Babs> and she pulls out this hand written book, with numbers from 1 to 700 and descriptions of each of the file in them
[16:35] <SpeedEvil> Sigh.
[16:35] <Babs> I think she was pre-IT generation
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[16:35] <SpeedEvil> I wonder if that originated on card-files?
[16:35] <Geoff-G8DHE_> Right back down to sea level, cul
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[16:36] <Herman-PB0AHX> Good evening to all wow B6 is stil flying
[16:37] <daveake> I once went to chat with a guy about how to improve his use of IT. I had to wait while he finished something, which turned out to be him reading off data from a massive printout on fanfold paper, printed on one machine, and type it into a spreadsheet on another
[16:37] <daveake> I said "I should have got here earlier"
[16:38] <Babs> arf
[16:38] <Babs> although at least you could charge more to undo a larger problem
[16:38] <Babs> fanfold. quality.
[16:38] <Babs> the scrap paper of my childhood.
[16:38] <daveake> this was some time ago :)
[16:38] <GMT> hopefully that fanfold stuff was green-lined
[16:38] <Babs> careful, i'm not that old.
[16:39] <GMT> with sprocket hols
[16:39] <eroomde> yes, people who manually process lists of numbers are just...
[16:39] <GMT> Accountants
[16:40] <eroomde> my colleague iain has lots of stories about how he's shown some of his friends, doing an experimental biology PhD, how to use awk
[16:40] <eroomde> they just had no idea
[16:40] <eroomde> they'd be doing everything manually
[16:40] <eroomde> they'd say
[16:40] <eroomde> 'you have to do it manually because it won't import into excel because look there's a sentance'
[16:41] <eroomde> i think he had a bit of a meltdown before showing them sed, grep and awk
[16:41] <GMT> I went to install a spell-checker in a WP program for a mates company; turns out, it was already installed and working, but secretary had not noticed the F-key to run it.
[16:44] <GMT> (hands-up anyone who remembers WordStar)!
[16:45] <eroomde> same guy had someone in his own lab, i.e. an engineering lab, who had been working on modifying some software for like 8 months, ask him, when they were writing some code together because iain had to use it, 'ah, so what does it actually mean when you have things like 'void' or 'int' before a function? always wondered...'
[16:45] <SpeedEvil> ...
[16:45] <eroomde> i think he said something like 'OH MY GOD YOU@RE DOING A PHD IN COMPUTATIONAL FLUID DYNAMICS'
[16:45] <arko> thats cool stuff
[16:47] <GMT> ... has just googled void functions and int functions
[16:47] <eroomde> fine if you don't know, terrible if you've spent in theory 8 months writing c++
[16:47] <arko> how do you not know what that means?!
[16:48] <arko> i just read the scrollback
[16:48] Action: SpeedEvil wonders if large global memory allocations functioned large in his code.
[16:48] <Babs> I know what void and int are. I even do a float when I'm feeling adventurous, and I'm to C++ what Hawking is to the triple jump.
[16:48] <GMT> well, I'm not a C (of any flavour) person, but I understood the description
[16:48] <eroomde> he had done everything as macros apparently
[16:49] <Steffanx> stories :)
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[16:55] <LeoBodnar> Babs I have tonnes still
[16:55] <Babs> fanfold?
[16:55] <arko> LeoBodnar: glad to see she's still a float/alive :)
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[16:56] <cm13g09> apologies for vanishing, but never eroomde
[16:56] <cm13g09> because I do not have Word
[16:57] <LeoBodnar> Yes, fanfold with numbered lines
[16:57] <LeoBodnar> We had chain printer at previous workplace
[16:57] <Babs> Quality LeoBodnar - i'm out of here - good luck B6!
[16:57] <LeoBodnar> Thanks Babs !
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[16:59] <GMT> first job: computer op, cleaning printers, cleaning drums, decollating chopping and trimming
[16:59] <Ugi> How long is B-6 likely to keep transmitting?
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[17:00] <craag> Ugi: About another 28 hours
[17:00] <Ugi> wow!
[17:00] <Ugi> just on one AA lithium cell>
[17:00] <Ugi> ?
[17:00] <craag> Estimated.. but should be at least 20
[17:00] <craag> yep
[17:01] <Ugi> lots of GPS power management?
[17:01] <craag> power-saving mode on the GPS, and switched off for quite a bit overnight I believe.
[17:02] <craag> But also the transmitter is quite efficient I think.
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[17:02] <Ugi> Sounds like a good plan! What transmitter is it using?
[17:02] <craag> It's a custom one.
[17:03] <Ugi> very flash
[17:03] <craag> Built using a chip similar to the one in the RFM22
[17:03] <Ugi> OK. I'm beginning to see how it's so small and so efficient!
[17:04] <craag> Yeah Leo's put a fair bit of work and expertise into it!
[17:05] <Ugi> That's a considerable step above my abilities at the moment. But maybe someday....
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[17:06] <Ugi> I had better run before my children forget who I am.
[17:06] <Ugi> TTNf
[17:06] <Ugi> TTFN
[17:07] <LeoBodnar> Cheers Ugi
[17:07] <Ugi> Good luck - hope it's still up there tomorrow!
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[17:08] <eroomde> Laurenceb: you'll like this
[17:09] <eroomde> search for max2769 (cos google is faster at finding datasheets than my os's search function) i come across arduino forum posts
[17:09] <eroomde> 'hey i noob lol i got max2769 how i connect to arduino for gps plz halp'
[17:09] <eroomde> poor bloke
[17:10] <LeoBodnar> Is it RF frontend only?
[17:10] <eroomde> yes
[17:10] <arko> hahahaha
[17:10] <eroomde> it spits out adc samples at many megabits
[17:10] <LeoBodnar> Hihi good luck
[17:10] <eroomde> not quite what this chap was hoping for i don't think
[17:11] <arko> eroomde: gps project i see? :)
[17:11] <DL7AD> LeoBodnar When ware you working? Can you watch your balloon when you are at work? ^^
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[17:11] <eroomde> notice is company website is called 'leobodnar.com' DL7AD
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[17:12] <eroomde> i don't think he has people telling him what to do :)
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[17:12] <LeoBodnar> DL7AD: I work for myself so I can look at it anytime (after a short discussion with my alter ego)
[17:12] <DL7AD> ahhh :D
[17:12] <eroomde> it's very exciting that it's making the turn and heading back
[17:13] <eroomde> is it still due to swing towards the dutch and the poles?
[17:13] <LeoBodnar> That's what NOAA was saying
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[17:13] <SP3OSJ> Hallo all people hallo Chris (Stubbs)
[17:14] <LeoBodnar> Predictor has been suggesting 90 degrees turn for quite awhile
[17:14] <KT5TK> I wish there was a camera on board of B-6 http://postimg.org/image/t8gbfs42d/
[17:14] <eroomde> it seems to be doing it
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[17:14] <Piet0r> Hi
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[17:17] <eroomde> KT5TK: that translates to 'the neighbours' castle'
[17:17] <eroomde> which must confuse the postman
[17:17] <LeoBodnar> Or taxman
[17:18] <LeoBodnar> It's not mine, gov
[17:19] <KT5TK> LeoBodnar: You know that you need to pay tax as soon as your transmitter hits the ground ;)
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[17:20] <KT5TK> Importing high tech electronic prototypes of extremely high value..
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[17:20] <LeoBodnar> Home run! See you later!
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[17:23] <Gadget-Mac> Evening folks
[17:25] <PE2G> Here's the forecast based on GFS 12UTC: http://ready.arl.noaa.gov/hypubout/15577_trj001.gif
[17:25] <Gadget-Mac> http://www.bigspaceballoon.co.uk/about.php
[17:26] <arko> 500kg-700Kg
[17:26] <arko> wow
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[17:27] <eroomde> it really is going at walking pace
[17:29] <eroomde> i don't think f6agv's appeal for alight annoucements a few days before is going to work with leo
[17:30] <eroomde> that would be like 4 habs in advance
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[17:33] <Lunar_Lander> hello
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[17:34] <PE2G> Hi Lunar_Lander
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[17:36] <PE2G> Lunar_Lander: With a bit of luck B-6 wil pay us a visit :)
[17:37] <Lunar_Lander> cool
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[17:40] <Herman-PB0AHX> PE2G do you really think he is on our side would be very nice
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[17:41] <PE2G> Herman-PB0AHX: Fingers crossed here
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[17:41] <Herman-PB0AHX> ok me to crossing fingers
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[17:47] <Maxell> bertrik: also keep fingers crossed ok
[17:47] <Maxell> i want this balloon to fly above .nl
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[17:48] <bertrik> which one?
[17:49] <Maxell> B-6 :P
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[17:49] <Maxell> Going like this right? http://ready.arl.noaa.gov/hypubout/15577_trj001.gif
[17:49] <bertrik> oh, pretty cool it's still flying, but not likely over the netherlands
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[17:50] <Maxell> How so? It's doing it's loop right now.
[17:50] <fsphil> B-6 seems to have drawn a hockey stick
[17:50] <PE2G> It's turning nicely
[17:51] <Maxell> *snif* science is strong with this one
[17:51] <Maxell> predictor kicking mother nature' butt
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[17:56] <LeoBodnar> Big question is how much Helium it has lost during the day. Even 2% means it is coming down.
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[17:57] <arko> why not H2?
[17:57] <arko> leaks more?
[17:57] <SpeedEvil> H2 will leak less probably
[17:58] <arko> oh?
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[17:58] <x-f> H2 has bigger molecules
[17:58] <LeoBodnar> It's a bit dangerous with floaters because they can come down pretty much fully inflated
[17:58] <arko> ohh
[17:59] <Wouter-[pa3weg]_> let it do the magic roll, I am ready :D
[18:00] <Upu> Seen enough of France now heading back
[18:01] <arko> lol
[18:01] <Upu> you don't get "party" H2 Arko :)
[18:01] <arko> France is a silly place
[18:01] <LeoBodnar> Baby, come back!
[18:01] <arko> party H2?
[18:02] <arko> i forgot the atomic radii of H2 is larger
[18:02] <arko> <-- derp
[18:03] <arko> ohh party gradeH3
[18:03] <arko> err
[18:03] <arko> H2 even
[18:03] <Upu> He ?
[18:03] <arko> party He
[18:03] <LeoBodnar> D2 balloon?
[18:03] #highaltitude: mode change '+o eroomde' by ChanServ!ChanServ@services.
[18:03] #highaltitude: mode change '-b Willdude123!*@*' by eroomde!~ed@kraken.habhub.org
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[18:04] <OE1FEA> Hallo @ll :)
[18:04] <LeoBodnar> T2 balloon?
[18:04] <fsphil> It'll Be Back
[18:04] <OE1FEA> Has anyone a website for more infos about the B_6 mission?
[18:05] <nick_> eroomde: are you an astro nerd?
[18:05] <eroomde> astronomy?
[18:05] <nick_> yes
[18:05] <eroomde> i enjoy it, i know very little
[18:05] <Upu> OE1FEA http://leobodnar.com/balloons/B-6/
[18:05] <OE1FEA> merci
[18:05] <bertrik> level: rocket scientist, right? :)
[18:06] <nick_> Chris Lontott will be giving a talk about it in about an hour
[18:06] <eroomde> i know more about rockets than astronomy
[18:06] <nick_> Lintott even
[18:06] <eroomde> sadly i have a match this evening
[18:06] <eroomde> otherwise would love to go
[18:07] <OE1FEA> Leo, are more infos also available?
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[18:08] <Upu> what do you want to know OE1FEA ?
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[18:08] Action: nick_ has been having a nerdtastic week
[18:08] <OE1FEA> Petro, more infos about this project :) Ballon size, HW, a.s.o.
[18:09] <eroomde> nick_: oh?
[18:09] <Upu> 36" Qualatex
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[18:09] <eroomde> enjoying your generally cushy life now :)
[18:09] <Upu> custom PIC + ublox hardware
[18:09] <nick_> At the intelligent front end school
[18:09] <Upu> http://leobodnar.com/balloons/B-2/
[18:10] <OE1FEA> looks fine, which radio?
[18:11] <Upu> SI4030 I think
[18:11] <OE1FEA> the custom pic looks like byonics ... :)
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[18:12] <Upu> byonics haha no it weighs 3g not 600g
[18:12] <LeoBodnar> OE1FEA: there are more http://leobodnar.com/balloons/B-3/ http://leobodnar.com/balloons/B-4/ http://leobodnar.com/balloons/B-5/ but hardware is pretty much the same
[18:12] <arko> lol byonics
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[18:13] <eroomde> lol byonics
[18:13] <eroomde> i don't get it
[18:14] <arko> byonics is a really overly priced heavy tracker
[18:14] <OE1FEA> I think, the one full day limit has passed :) How long the AA will operate?
[18:14] <arko> microtraks at least
[18:15] <OE1FEA> AA only lost 0.01 V since yesterday :)
[18:15] <Upu> 48 hours OE1FEA
[18:15] <Upu> possibly longer
[18:15] <Upu> its running a MAX7C so I'm very interested in this
[18:16] <Upu> the MAX6G can do ~ 48 hours from a AA
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[18:18] <OE1FEA> and radio take how much energy?
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[18:19] <Upu> 10mW so not much
[18:19] <OE1FEA> very interessting HW assembling :) which radio is used?
[18:20] <OE1FEA> so the payload will not be recovered, if AA runs empty :(
[18:20] <OE1FEA> .. before landed ...
[18:22] <Maxell> AA 1.5 volts? Currently running at 1.43 volts holy!!
[18:22] <mclane> amazing - B6 is still up and running - survived the day!
[18:22] <Upu> Maxell 1.8v fresh
[18:23] <Maxell> ah
[18:23] <OE1FEA> I give a big LIKE for this project :)
[18:25] <Herman-PB0AHX> LeoBodnar look private chat ?
[18:25] <OE1FEA> the burst predict on a floating ballon is nice ;)
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[18:31] <jcoxon> evening
[18:31] <Upu> evening jcoxon
[18:31] <jcoxon> oooo go B-6
[18:32] <LeoBodnar> evening jcoxon !
[18:32] <jcoxon> good work LeoBodnar
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[18:33] <LeoBodnar> It's not me, balloon does all the hard work, I just drink coffee here.
[18:33] <jcoxon> haha
[18:33] <jcoxon> coming up to 24 hours
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[18:35] <LeoBodnar> I'm very curious to see how much He it has lost over the day
[18:35] <F5mvo> LeoBodnar : have you a inside picture payload ?
[18:36] <arko> LeoBodnar: no pressure sensors this flight?
[18:36] <LeoBodnar> F5mvo: same as http://leobodnar.com/balloons/B-2/ but the battery is AA this time, not AAA like on B-2
[18:37] <LeoBodnar> No sensors or other fluff, it is already fat and heavy
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[18:37] <jcoxon> LeoBodnar, so what do we predict
[18:37] <LeoBodnar> It's a flying AA pretty much
[18:37] <rharrison_> ping Upu
[18:37] <arko> but i guess you can estimate loss based on comparing the two days max altitude
[18:37] <rharrison_> Evening jcoxon
[18:37] <jcoxon> either it drops down to night time float or descends
[18:37] <Upu> hey Rob
[18:37] <jcoxon> hey rharrison_ long time
[18:37] <arko> but im not sure how accurate that would be
[18:37] <rharrison_> jcoxon, yeah launch tomorroe too
[18:38] <jcoxon> oh cool
[18:38] <rharrison_> upu a45:650?
[18:38] <rharrison_> Upu, 145:650?
[18:38] <Upu> 1 sec
[18:38] <LeoBodnar> I can't predict anything because I have never floated over the full day. jcoxon did! http://ukhas.org.uk/projects:picoatlas:picoatlasix
[18:38] <rharrison_> jcoxon, Boston Spa school calling
[18:38] <jcoxon> LeoBodnar, similar float profile really
[18:39] <jcoxon> but heavier payload so lower float
[18:39] <rharrison_> jcoxon, any new break thoughs in the world og HAB
[18:39] <jcoxon> rharrison_, of course!
[18:39] <LeoBodnar> Exactly, but where would you say the first sign of He loss is on yours?
[18:39] <jcoxon> mini payloads are all the rag
[18:39] <jcoxon> e
[18:39] <rharrison_> I see steve is the alt king
[18:39] <Upu> 145.650 Rob ?
[18:39] <Upu> Its not steve any more Rob
[18:39] <Upu> Mondo Mick
[18:39] <rharrison_> Yep I have seen upus boards make mine look positivly dianasor
[18:39] Action: Gadget-Mac has discovered on of his fellow scout leaders is an RSGB regional manager.
[18:40] <Upu> have you seen Leos :)
[18:40] <jcoxon> LeoBodnar, there is a hint of descent already i think
[18:40] <rharrison_> Upu, freq QSL
[18:40] <Gadget-Mac> So, what would we like the RSGB to change ?
[18:40] <Upu> 1 sec I have repeater set up on this freq for some reson
[18:40] <rharrison_> Let me check that this is the free one
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[18:41] <Upu> TXing on 145.650 now
[18:41] <rharrison_> I can hear you
[18:41] <rharrison_> Did you get me or are you listening on another freq
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[18:41] <Upu> nothing heard
[18:41] <rharrison_> Opps it's me
[18:41] <Upu> lol
[18:41] <Geoff-G8DHE-> Evening all
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[18:42] <rharrison_> Wait a sex this must be the wrong freq
[18:42] <Upu> it was 144. something
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[18:43] <LeoBodnar> Such a short wait?
[18:44] <Upu> that a repeater I think Rob
[18:44] <rharrison_> Upu, 144:650
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[18:45] <craag> Gadget-Mac: Airborne operation permitted on 2m pleeeease.
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[18:45] <Gadget-Mac> craag: wouldn't that be nice.
[18:46] <craag> They are going to talk about it at the next ofcom consultation meeting I heard.
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[18:46] <Geoff-G8DHE-> Whats prediction like for B-6 tonight ?
[18:46] <craag> From someone else here with connections.
[18:46] <craag> Geoff-G8DHE-: Netherlands!
[18:47] <Gadget-Mac> craag: Would be interesting if there are some details. The more people that are interested / aware the better I'd guess
[18:47] <Geoff-G8DHE-> Still on for that ! Great
[18:48] <craag> Gadget-Mac: Not any more details as far as I know.. just trying to find it if we could get airborne operation in a primary allocation really.
[18:48] <craag> Possibly at limited ERP.
[18:48] <Gadget-Mac> As we know, you don't need much for it to be useful
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[18:48] <craag> Yeah 1W ERP would be fantastic for us.
[18:48] <fsphil> not sure what I'd do with 1W
[18:49] <jcoxon> craag, even 300mW would do
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[18:49] <Gadget-Mac> Going to need bigger batteries for a start ;)
[18:49] <craag> Well 1W opens up more atv possibilities.
[18:49] <jcoxon> the hx=1 works well
[18:49] <Maxell> 25 watts 2 meter whaat
[18:49] <Maxell> where do we lobby?
[18:49] <Upu> rharrison_ http://leobodnar.com/balloons/B-2/
[18:50] <Gadget-Mac> Sounds like a little more co-ordination is needed
[18:50] <fsphil> ah good evening mr.rharrison_
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[18:51] <craag> Well if we find out that ofcom is not just going to say 'No' then I reckon we should put together an article for the comic.
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[18:53] <craag> As it would be a new part of Amateur Radio - expanding the hobby, which the RSGB would gobble up.
[18:53] <Laurenceb_> 22hours floating :P
[18:53] <LeoBodnar> Geoff-G8DHE: it will be clear 1-2 hours after the sunset. If it has lost Helium then descend to ground still in France
[18:54] <Laurenceb_> i predict float
[18:54] <Laurenceb_> just doing some maths..
[18:54] <Geoff-G8DHE-> Lets keep fingers crossed!
[18:54] <Gadget-Mac> craag: Indeed. Now if there was a kit you could use.........
[18:54] <Laurenceb_> looks like make float altitude increase due to lost helium was 100m
[18:54] <Laurenceb_> not enough to lose bouyancy
[18:54] <Laurenceb_> and its already freezing up there
[18:54] <Laurenceb_> thats good news
[18:55] <LeoBodnar> As far as I know there was only one Pico flight to go through the full day and enter the night. And it lost He and descended
[18:56] <Laurenceb_> yeah
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[18:56] <Laurenceb_> but that was at low altitude
[18:56] <LeoBodnar> So the statistical dataset has one single datapoint
[18:56] <Laurenceb_> picoatlas - looks to me like it picked up dew at sunset
[18:56] <Laurenceb_> well this is _very_ different
[18:57] <Laurenceb_> much higher, much nicer conditions
[18:57] <LeoBodnar> We shall see, I really like this
[18:57] <Laurenceb_> float at 2Km is nasty
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[18:57] <Willdude123> Hi.
[18:57] <LeoBodnar> Why 2km?
[18:58] <Willdude123> I missed you guys.
[18:58] <Laurenceb_> huh?
[18:58] <craag> welcome back Willdude123
[18:58] <Laurenceb_> i missed you too
[18:58] <Laurenceb_> no-one to troll :(
[18:58] <arko> well hello mr dude
[18:59] <Laurenceb_> LeoBodnar: lots of dew at that altitude
[18:59] <Willdude123> *I missed you guys, and also Laurenceb_
[18:59] <mclane> Hello LeoBodnar - let me ask again: would you mind to share the schematics of your design?
[18:59] <mclane> I am really curious
[18:59] <Willdude123> Right. So where was I?
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[19:00] <Willdude123> In the past day I've discovered my BBB is txing correctly over serial.
[19:00] <Willdude123> So I need to figure out what this means.
[19:00] <Willdude123> It's unlikely to be a fault ntx2.
[19:00] <GMT> Upu: try to find out launch time and freq from Bostan Spa flight
[19:01] <Willdude123> Could be my receiver set up, I suppose.
[19:01] <fsphil> it's how you're using fldigi. the sample you posted decoded fine
[19:01] <LeoBodnar> mclane: I am not happy with a few details just yet, i.e. I had a tracker failed a few flights ago for no particular reason.
[19:02] <LeoBodnar> You know all the components I have used - the rest is just details
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[19:02] <Willdude123> fsphil: I followed the settings you posted as best I could.
[19:02] Nick change: Geoff-G8DHE- -> Geoff-G8DHE_M
[19:02] <fsphil> did you set the frequency on the waterfall correctly?
[19:03] <fsphil> fldigi won't just decode if the signal is on there. you have to tell it where it is
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[19:04] <LeoBodnar> Sorry, I don't want to distribute a design with potential problems in it mclane. I hope you understand!
[19:04] <Willdude123> Yeah, I moved it a bit, it's difficult to locate though.
[19:05] <fsphil> just put the two lines over the two blobs on the waterfall
[19:05] <Wouter-[pa3weg]_> yeehaa B-6
[19:05] <mclane> I am particularly interested how you do the dominoex with the si4060; all the rest I can imagine myself
[19:05] <mfa298> Gadget-Mac: I think it was Iain G4SGX who had been having some chats with the RSGB about airborne use.
[19:06] <Geoff-G8DHE_M> It is
[19:06] <Geoff-G8DHE_M> If you ask he will copy u in on the emails to date
[19:07] <Gadget-Mac> Cool. Wonder if there should be a page on the wiki ?
[19:08] <mattbrejza> mclane: tcxo drives the si radio, the radio has a small enough pll step size for the domex spacing. Also the GPS PPS is used to compensate the TCXO. (im sure Leo has got fed up of repeating this :P)
[19:08] <F5mvo> LeoBodnar : its seam to down very slowly now since 5 mn
[19:09] <LeoBodnar> Lol mattbrejza , I am trying to answer all the questions that would direct towards the solution without walking people there one by one
[19:09] <rharrison_> upu im getting splatter on 650 try 662.5
[19:10] <rharrison_> fsphil, hi sorry sorting out tracker
[19:10] <Upu> 1 sec
[19:10] <Upu> something up with this signal
[19:10] <LeoBodnar> F5mvo: it is cooling down rapidly and shrinking in size
[19:12] <F5mvo> LeoBodnar : the sun down also
[19:12] <Willdude123> Pretty sure this is lined up correctly. http://imgur.com/yVMe5Xm
[19:13] <LeoBodnar> Yes, we will know hat happens in a an hour or two
[19:13] <LeoBodnar> *what
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[19:14] <LeoBodnar> Laurenceb_: how do you analyse possible dew and condensation effects?
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[19:15] <OZ1SKY_Brian> hi
[19:15] <Laurenceb_> http://serc.carleton.edu/images/research_education/equilibria/h2o_phase_diagram_-_color.v2.jpg
[19:15] <LeoBodnar> Ooh! 10 sats with chip antenna. I think I am liking MAX-7
[19:15] <Laurenceb_> LeoBodnar: currently B-6 is in the ice region
[19:15] <Laurenceb_> with is good
[19:15] <craag> LeoBodnar: Are you testing one on the ground now?
[19:15] <Laurenceb_> *which
[19:16] <LeoBodnar> No craag
[19:16] <LeoBodnar> Are you RXing?
[19:16] <Geoff-G8DHE_M> 11 reported now
[19:16] <craag> I thought you flew a MAX-6?
[19:16] <LeoBodnar> No, forgot to change the info line
[19:16] <LeoBodnar> I have sent all MAX-6s away! :)
[19:17] <craag> Ah, I thought you said you'd swapped it out, or was that jsut for another -7 module?
[19:17] <LeoBodnar> I don't have any MAX left!
[19:17] <LeoBodnar> craag: swapped 7 for another 7
[19:17] <craag> ah ok kl.
[19:17] <craag> Good to know it works!
[19:18] #highaltitude: mode change '+o Upu' by ChanServ!ChanServ@services.
[19:19] <mfa298> Willdude123: you might need to increase the audio level into dl-fldigi the diamond at the bottom (next to AFC) should be green (not black)
[19:19] #highaltitude: mode change '-o Upu' by ChanServ!ChanServ@services.
[19:20] <fsphil> Willdude123: your filter needs to be equal or more than the baud rate
[19:20] <fsphil> it's 262 atm
[19:20] <fsphil> ticking Auto should do it
[19:21] <Upu> ping rharrison_ I can see it but must be weak as its not decoding
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[19:23] <jcoxon> how is PA3WEG rx'ing B-6
[19:23] <jcoxon> must be very much below his horizon
[19:23] <Laurenceb_> hi Upu
[19:23] <Laurenceb_> flexing those banfingers?
[19:24] <craag> Wouter-[pa3weg]_: Using your satellite tracking array?
[19:24] <Maxell> lolll hes cheating again
[19:25] <mfa298> that must be approaching the best range for a pico (if there's a record for that)
[19:25] <craag> With the amount of gain he has, and the snr performance of dominoex, I wonder if he's seeing some non-LOS propagation.
[19:26] <Laurenceb_> well its way over the horizon
[19:26] <Laurenceb_> in fact - havent seen that far over the horizon before
[19:27] <craag> exactly!
[19:27] <Maxell> omfg witchcraft
[19:27] <craag> And it's no like he's up a mountain
[19:27] <mfa298> degrees above/below the horizon might be a better measure of tracking
[19:27] <Laurenceb_> very impressive
[19:28] <Laurenceb_> getting rather cold
[19:28] <mfa298> looks like ASTRA is doing well as well
[19:29] <craag> I'm guessing he's got this up and running again http://www.pa3weg.nl
[19:29] <mfa298> although that's probably right on the horizon
[19:31] <db_g6gzh_> I got a few good decodes this morning at -0.5 elevation reported by dl-fldigi just using a colinear, mostly thanks to DominoEX's performance
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[19:31] <Laurenceb_> if you had the FEC dominoex mode...
[19:32] <Laurenceb_> thats got to be about -1 degree?
[19:33] <db_g6gzh_> Fortunately I'd left the radio on over night as there wasn't enough signal visible on the waterfall to have tuned it in
[19:33] <LeoBodnar> I can drop the Domino bitrate by a factor of 4 ad use FEC. It will probably improve S/N by 7-8dB but it will be SSSSSSSSSSSOOOOOOOOO SSSSSSSSLLLLLLLLLLOOOOOOOOOOWWWWWWW
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[19:34] <craag> meh, just use the 88 mode instead then!
[19:34] <Laurenceb_> what the float record?
[19:34] <Laurenceb_> CNSP?
[19:34] <LeoBodnar> I think current bitrate is a good balance
[19:35] <Laurenceb_> the transatlantic with 3nights, 2 days?
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[19:35] <craag> Yeah I was joking.
[19:35] <LeoBodnar> How can they do it? It takes all day to go around Paris
[19:35] <Laurenceb_> 31Km float with latex
[19:35] Nick change: Wouter-[pa3weg]_ -> Wouter-[pa3weg]
[19:35] <Laurenceb_> and H2
[19:36] <Wouter-[pa3weg]> yes, using the satellite array
[19:36] <Upu> float at 33km and the winds are much quicker
[19:36] <LeoBodnar> Lol craag you need to give two day notice to some
[19:36] <Upu> LeoBodnar you're in the air so long who cares how slow the telemetry is :)
[19:36] <Laurenceb_> CNSP managed two full days float didnt they?
[19:36] <Laurenceb_> heh
[19:36] <craag> Yeah slower telemetry = faster loading of spacenearus :)
[19:37] <LeoBodnar> Should we try slowest Domino then next time?
[19:37] <Laurenceb_> im not convinced itll be much better
[19:37] <Laurenceb_> due to narrower bandwidth
[19:37] <craag> No, yours is good.
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[19:37] <Laurenceb_> id try the current mode with FEC perhaps
[19:37] <craag> But adding FEC might be good
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[19:37] <PE2G> Wouter-[pa3weg] How far do you rx it below the horizon?
[19:37] <rharrison_> ok how do we start fldigi in hab mode --hab?
[19:37] <LeoBodnar> I can drop speed in half and it is the same b/w = 3dB improvement
[19:37] <craag> rharrison_: yep
[19:38] <Geoff-G8DHE_M> Why not run thru a variety of modes say every two hours with 10 minutes each then back to normal?
[19:38] <LeoBodnar> DominoEX 8 - tried and confirmed working
[19:38] <Wouter-[pa3weg]> -1 degrees at the moment
[19:38] <craag> Geoff-G8DHE_M: NO
[19:38] <Wouter-[pa3weg]> depending on condx
[19:38] <PE2G> very nice!
[19:38] <Geoff-G8DHE_M> Only one flight
[19:38] <LeoBodnar> You need to manually keep changing dl-fldigi Geoff-G8DHE_M
[19:38] <craag> Geoff-G8DHE_M: It's a pain to track, especially compared to it now!
[19:39] <Geoff-G8DHE_M> The main thing for tracking is f stability, one test flight express purpose to evaluate modes
[19:39] <LeoBodnar> Let's make sure freq is holding. I am still not 100% convinced it is
[19:40] <LeoBodnar> With lower S/N you won't be able to see it on the watefall
[19:40] <Geoff-G8DHE_M> How is freq being counted at tcxo freq or higher?
[19:40] <LeoBodnar> TCXO
[19:41] <Geoff-G8DHE_M> By procesor?
[19:41] <LeoBodnar> I am very curious Geoff-G8DHE_M maybe we should do an experimental modes testing flight
[19:41] <rharrison_> weird i get fldigi --hab unrecognised option
[19:41] <LeoBodnar> Yes, hardware gated capture
[19:41] <Geoff-G8DHE_M> Nice!
[19:41] <Upu> has to be dl-fldigi Rob
[19:42] <rharrison_> hum I have apt-get dl-fldigi
[19:42] <Geoff-G8DHE_M> So huffpuff by changing division ratio
[19:43] <F5mvo> LeoBodnar : very very stable inside 320 hz cw filter
[19:43] <LeoBodnar> Oh, good F5mvo !
[19:43] <Wouter-[pa3weg]> you can not apt-get it as far as I know
[19:44] <db_g6gzh_> You could do each mode on a different frequency and rotate round them. It would be a bit like night mode is now on any given frequency.
[19:44] <Wouter-[pa3weg]> only fldigi (the non-dl)
[19:44] <LeoBodnar> Sort of Geoff-G8DHE_M. Huffpuff is PID loop while I use open loop system
[19:44] <Laurenceb_> sunset in 5 minutes
[19:44] <Wouter-[pa3weg]> so get it from http://ukhas.org.uk/projects:dl-fldigi
[19:44] <Geoff-G8DHE_M> Carrier between modes to allow siting on w/f
[19:45] <mfa298> there is a packaged version for ubuntu which you can add a repositry for so you can apt-get it
[19:45] <LeoBodnar> Good idea, But from all the digimode I think only Domino and RTTY are OKish. Others either need PSK or very very stable LO
[19:45] <Geoff-G8DHE_M> U count freq. And adjust with long time constant?
[19:46] <LeoBodnar> Count period is 16 sec now
[19:46] <arko> looks like Leo is doing donuts on france
[19:46] <Wouter-[pa3weg]> ah ok, same .deb as the download one then
[19:46] <LeoBodnar> I can't believe it is taking so long to clear Paris! I could just walked faster! XD
[19:47] <arko> haha
[19:47] <arko> it's practicing drifting
[19:47] <DL7AD> :D
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[19:47] <daveake> Stuck on the Peripherique?
[19:47] <DL7AD> does anybody know if its taking a turn more or goin north?
[19:47] <arko> LeoBodnar: maybe it's writing something out
[19:47] <Upu> going north
[19:47] <Upu> or should be
[19:48] <gonzo__> back home
[19:48] <F5mvo> Wouter-[pa3weg]: hello what do you use like yagi tracking from pa ?
[19:48] <LeoBodnar> I like daylight overlay on http://habitat.habhub.org/mobile-tracker/
[19:48] <Laurenceb_> sunset
[19:48] <arko> battery seems to be dropping off more
[19:48] <Laurenceb_> its not really dropping
[19:48] <Laurenceb_> theres a temperature swing effect
[19:48] <LeoBodnar> It's temperature-dependent
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[19:49] <LeoBodnar> Or rather internal resistance is
[19:49] <Upu> http://ready.arl.noaa.gov/hypubout/17464_trj001.gif
[19:49] <lz1dev> LeoBodnar: thanks :P
[19:49] <LeoBodnar> Am I right?
[19:49] <Laurenceb_> i guess when sunset reaches the blue line, its in full darkness
[19:50] <LeoBodnar> Is open circuit voltage on Lithiums dropping at low temps or not?
[19:50] <Laurenceb_> it does drop, yes
[19:50] <daveake> Yes both
[19:50] <DL7AD> every batt does drop.
[19:50] <daveake> o/c voltage drops and internal r rises
[19:51] <Wouter-[pa3weg]> F5MVO, I use 15 elements crossed yagi´s
[19:51] <Wouter-[pa3weg]> so 30 elements total
[19:51] <Laurenceb_> 23 hours float :P
[19:52] <Upu> 25 Laurenceb
[19:52] <F5mvo> Wouter-[pa3weg]: sea up level ?
[19:52] <Upu> 18:38UTC was launch
[19:52] <Laurenceb_> i meant float time
[19:52] <Wouter-[pa3weg]> http://www.m2inc.com/index.php?ax=amateur&pg=106
[19:52] <Laurenceb_> float record is 24hours for pico
[19:53] <Wouter-[pa3weg]> about 15m above on the set I am using now, the other two are at 100m
[19:53] <Wouter-[pa3weg]> but PA is very flat, so 15m is enough
[19:53] <LeoBodnar> Woohoo! Nice antenna
[19:53] <Upu> 25 now Laurenceb :)
[19:54] <mattbrejza> astra in soton is getting some very occasional packets at -0.3 elev
[19:54] <DL7AD> KT5TK and i had a talk of saving energy in positioning. another option than gps could be VOR which are used in aviation. its required to demodulate fm and am at the same time. but when you received 2 VORs, its possible to determine a 2D position. the fix can be determined by this way in milli-seconds.
[19:54] <LeoBodnar> Bring back LORAN-C
[19:54] <rharrison_> seems tp pull fldigi with ok I should be uploading to habitat according to the output is there a way i can see what habitat is getting?
[19:54] <LeoBodnar> AND VOR have CW IDs!
[19:55] <Laurenceb_> or just transmit a spread packet
[19:55] <Laurenceb_> and correlate on the ground
[19:55] <F5mvo> Wouter-[pa3weg]: ok for link antenna, you use two polarisation in same time now
[19:55] <LeoBodnar> Spark gap transmitter?
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[19:55] <Laurenceb_> just that existing silabs
[19:55] <Laurenceb_> its can do a few hundered Kbps
[19:56] <Laurenceb_> masses of bandwidth
[19:56] <LeoBodnar> Does SiLab have spark gap transmitter chip?
[19:56] <Wouter-[pa3weg]> it is circular actually
[19:56] <Laurenceb_> lol
[19:56] <fsphil> rharrison_: http://habitat.habhub.org/logtail/
[19:56] <DL7AD> you do not need any directional antenna. just fm and an demod which consumes a bit of power. but its only required to be switched on less than half a sec
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[19:56] <Laurenceb_> LeoBodnar: easy firmware mode
[19:57] <LeoBodnar> Isn't 434MHz ISM limited to 25kHz bandwidth?
[19:57] <fsphil> rharrison_: don't see anything there. running in --hab mode ok?
[19:57] <F5mvo> Wouter-[pa3weg]: its effective !
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[19:57] <Laurenceb_> LeoBodnar: the badn is wider than that
[19:57] <Laurenceb_> *dand
[19:57] <Laurenceb_> *band
[19:58] <LeoBodnar> Ah, but then we don't need 100% duty tx
[19:58] <rharrison_> fsphil, I have pulled this for ubuntu from simruns page
[19:58] <Laurenceb_> to be cheap, steal the GPS PRN codes
[19:58] <Laurenceb_> 1024 bits long, at 100Kbps thats 10milliseconds or so
[19:58] <LeoBodnar> I hope they are not patented
[19:59] <rharrison_> dpkg says it's installed fldigi but it has all the hab settings
[19:59] <Laurenceb_> lol
[19:59] <mikestir> has anyone looked at using argos for tracking and/or data backhaul for really long range stuff?
[19:59] <rharrison_> when running it it send output to the shell sugesting its communicating
[19:59] <craag> mikestir: I think SGS did for their kraken sea buoy, and it was expensive.
[19:59] <fsphil> rharrison_: it'll be dl-fldigi you need
[19:59] <LeoBodnar> Argos it!
[20:00] <Willdude123> fsphil: It is more than the baud rate.
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[20:00] <mikestir> yeah I can imagine it would be!
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[20:00] <Willdude123> Oh should I turn AFC on then mfa298
[20:00] <rharrison_> interesting apt-get install dl-fldigi installs fldigi
[20:00] <fsphil> rharrison_: you'll know you've got the right one if there's no TX text area, and the View menu contains SSDV
[20:00] <Willdude123> Well, I thought it was.
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[20:00] <Willdude123> fsphil: Ah no it's not.
[20:00] <Laurenceb_> coming up to sunset at altitude
[20:00] <fsphil> Willdude123: I didn't say baud rate :)
[20:01] <craag> mikestir: The Rockblock modem is good for that, but is far too heavy/power hungry for something like this.
[20:01] <mikestir> is that the iridium one that one of the register's flights used?
[20:01] <craag> yes
[20:01] <Willdude123> 15:20 < fsphil> Willdude123: your filter needs to be equal or more than the baud rate
[20:01] <fsphil> Willdude123: *filter*
[20:01] <craag> That's what SGS used for their sea buoy in the end, and works great for them (they only switch it on every 6 hours)
[20:02] <Willdude123> I thought the filter was higher, but I was mistaken.
[20:02] <fsphil> at 300 baud, the filter needs to be 300 or higher
[20:02] <fsphil> but not much higher
[20:02] <mfa298> Willdude123: not afc, you need to turn the audio level up
[20:03] <mfa298> the diamond is an indicator of the signal dl-fldigi is recieving
[20:03] <Willdude123> Ah right.
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[20:04] <mfa298> Willdude123: from what was in your display it looked like you're close (you were getting part of the string) so it's just tweaking things to improve how its working
[20:05] <Willdude123> http://imgur.com/5qPjUFQ still no decode.
[20:05] <craag> Willdude123: You're off the edge of the passband
[20:05] <fsphil> you're too near the edge
[20:05] <Gadget-Mac> g4sgx-iain: Arounf ?
[20:05] <Upu> Willdude123 get that signal in the middle of the waterfall
[20:05] <Gadget-Mac> or even around ?
[20:05] <craag> Tune it so it's around 1500
[20:05] <LeoBodnar> Geoff-G8DHE: Could you please do your 3D magic for this Paris donut ?
[20:07] <fsphil> mmmm
[20:08] <Geoff-G8DHE_M> Not tonight im out in the campervan on aNexus!
[20:08] <Willdude123> This right? http://imgur.com/oz8h6Qu
[20:08] <Willdude123> LeoBodnar: I think that wins the award for the weirdest message of the year.
[20:08] <Laurenceb_> sunset
[20:08] <Geoff-G8DHE_M> But provided i get the data saved or downloasd from habitast lster I will promise!
[20:09] <LeoBodnar> Sure does!
[20:09] <Willdude123> Not sure exactly where it's supposed to go.
[20:09] <Laurenceb_> now we see what the altitude down over next 30 minutes or so...
[20:09] <Laurenceb_> *does
[20:09] <Willdude123> How come the signal is so wide?
[20:10] <Willdude123> Talking of awards, I won the KS3 award for english, and I wasted an hour and a half to receive.
[20:10] <Upu> How are you receiving this Will ?
[20:10] <Upu> SDR ?
[20:10] <LeoBodnar> Yep
[20:10] <Willdude123> Yaesu receiver thing, without habamp.
[20:10] <fsphil> are you actually transmitting 7-bits?
[20:10] <Willdude123> Yesh
[20:11] <fsphil> then that might be what you're actually transmitting
[20:11] <Willdude123> I checked with the ftdi, it isn;t.
[20:11] <Upu> tune about a bit and check you're not tuned into an echo
[20:12] <fsphil> yea it's a bit noisy
[20:12] <fsphil> try increasing the filter to 350 too
[20:13] <LeoBodnar> Woo! This looks promising. Could it have stretched over the day?
[20:13] <Willdude123> It's on 434.071
[20:13] <LeoBodnar> Second night = higher float level?
[20:13] <Upu> not quite dark yet
[20:13] <LeoBodnar> THis would be insanely cool
[20:13] <Upu> but interesting
[20:13] <jcoxon> LeoBodnar, yes that would be
[20:15] <LeoBodnar> Maybe we can pre-stretch 36"ers on the ground? Also rejecting those that burst too easily?
[20:15] <mfa298> Willdude123: try tuning your reciever around a bit, with a strong signal you often see echos of the real signal (this is why removing antennas etc. helps as it make the signal weaker)
[20:16] <Willdude123> mfa298: This is the original signal, nothing else found.
[20:16] <mfa298> maybe tune from 434.070 to 434.080 and make a note of when you see the signal on the waterfall and how strong the signal is
[20:17] <LeoBodnar> Where is fast forward button on the spacenear.us page?
[20:17] <rharrison_> compiling from scratch
[20:17] <rharrison_> Nearly therer
[20:18] <rharrison_> my eeepc is so slow these days
[20:18] <LeoBodnar> [<< ][ < ][ > ][ >>]
[20:18] <Willdude123> Strongest is on 070
[20:18] <rharrison_> 900 for those who rember them
[20:18] <LeoBodnar> ^ this one
[20:18] <rharrison_> opps sorry LeoBodnar
[20:18] <LeoBodnar> Haha! XD
[20:19] <fsphil> rharrison_: ooh I still have one of those
[20:19] <fsphil> they get really toasty compiling stuff
[20:19] <fsphil> actually they get really toasty sitting idle
[20:19] <Willdude123> Erm.
[20:19] <Willdude123> What should I do?
[20:19] <Willdude123> I can probably move the BBB.
[20:20] <Willdude123> Actually no;.
[20:20] <Willdude123> I can't.
[20:20] <LeoBodnar> How do you know sunset time at altitude?
[20:20] <fsphil> I'd transmit a longer and more interesting message for a start :)
[20:20] <mfa298> Willdude123: physical seperation might help if you can
[20:20] <Willdude123> Not really.
[20:20] <Willdude123> But I'll try
[20:20] <Willdude123> I can't really do it.
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[20:22] <bertrik> LeoBodnar: just a guess, take the sunrise time for a location shifted to the east by the size of the radio horizon
[20:22] <Wouter-[pa3weg]> Does spacenear.us have autoreverse then?
[20:22] <Wouter-[pa3weg]> looks like B-6 just did that
[20:22] <Wouter-[pa3weg]> B-side ;)
[20:22] <LeoBodnar> B-6 side XD
[20:22] <Wouter-[pa3weg]> yup ;)
[20:23] <LeoBodnar> bertrik: yes good idea
[20:23] <Wouter-[pa3weg]> right, I am still sortakinda tracking, but also preparing for the AMSAT-UK Colloquium
[20:23] <bertrik> as a rough approximation
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[20:24] <LeoBodnar> Get sunset time on the edge of radio horizon along the terminator travel path
[20:24] <Laurenceb_> yeah
[20:24] <Laurenceb_> about 30minutes ago
[20:24] <LeoBodnar> Not Terminator 2 or anything, just the terminator
[20:24] <mfa298> Willdude123: is there a 2nd computer you could use to run dl-fldigi in a different room with the radio on that ?
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[20:24] <Laurenceb_> temrinator3: rise of the machines?
[20:25] <Laurenceb_> just a guess, but it might be levelling out at ~6.3Km ?
[20:25] <bertrik> hm, 300 km is only about 10 minutes or so earlier
[20:26] <Laurenceb_> its sunset now for sure
[20:26] <LeoBodnar> Looks like it Laurenceb_ and I like the looks of it
[20:27] <Upu> why is it floating higher :/
[20:27] <LeoBodnar> Never thought it would be possible. So the balloon has stretched AND ded not leak
[20:27] <Laurenceb_> envelope creep
[20:27] <Laurenceb_> yeah looks like it
[20:27] <LeoBodnar> It has been stretched Upu
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[20:27] <Upu> interesting
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[20:28] <LeoBodnar> Shocking
[20:28] <LeoBodnar> It's backwards from gut feeling
[20:28] <Laurenceb_> be interesting to see if its reached the limit
[20:28] <jcoxon> tis the dream
[20:28] <Laurenceb_> dont know if it will last that long
[20:29] <Laurenceb_> my guess: envelope stretched in places where stress was concentrated
[20:29] <Laurenceb_> and it wont stretch more
[20:29] <LeoBodnar> Seams and neck
[20:29] <Laurenceb_> as its now nicely distributed the stress
[20:29] <LeoBodnar> I think it makes sense to pre-stretch them on the ground
[20:30] <Laurenceb_> guess we might just see another night before the batteries die
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[20:30] <jcoxon> LeoBodnar, worth a go
[20:30] <Upu> you could inflate it
[20:30] <LeoBodnar> Let's see what happen next...
[20:30] <Upu> would be tough to let the air out though
[20:30] <LeoBodnar> Upu: with controlled pressur?
[20:30] <Geoff-G8DHE_> There you go Domut around Paris http://360.g8dhe.net/hab_flights/B-6/index.php?ind=5
[20:30] <Laurenceb_> nice oscillation
[20:30] <Upu> yeah
[20:30] <Laurenceb_> i was thinking of using a blood pressure cuff with custom firmware
[20:31] <Laurenceb_> seeing as i have tons at work
[20:31] <LeoBodnar> Cheers Geoff
[20:31] <Geoff-G8DHE_> Must go the L/B is being caned by this laptop ;-)
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[20:33] <Willdude123> mfa298: No.
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[20:38] <Laurenceb_> coming up on 24hours float time
[20:39] <Laurenceb_> going to take record from picoatlas
[20:40] tom_ (50b1dfe4@gateway/web/freenode/ip.80.177.223.228) joined #highaltitude.
[20:41] <Willdude123> My art homework was to make an edible sculpture. https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-frc1/1064412_183044271872522_1574912957_o.jpg
[20:41] <rharrison_> ping upu 662.5
[20:41] <Laurenceb_> lol spacenear is going mad
[20:42] <Laurenceb_> i think too many points
[20:42] <Upu> hey rharrison_ wife has gone to to bed not feeling well so keep it here
[20:42] <Willdude123> I call it Jesus on Toast.]
[20:42] <rharrison_> ok cool
[20:42] <Laurenceb_> tiles are randomly flying around
[20:42] <craag> Laurenceb_: refresh, 90% have been deleted.
[20:42] <Upu> got it workinh ?
[20:42] <rharrison_> I seem to be posting to habitat now but not sure if it's passing ok
[20:42] <Upu> working
[20:42] <Laurenceb_> cragg: i just did, works now
[20:42] <Upu> its not keep uploading 1 sec
[20:42] <Laurenceb_> some kind of javascript overflow?
[20:42] <Willdude123> Who likes my Jesus on Toast?
[20:42] <Laurenceb_> google map tiles went mad for a while :P
[20:43] <craag> Laurenceb_: You were probably approaching 64k points.
[20:43] <Upu> [2013-07-15 20:42:09,596] DEBUG habitat.parser MainThread: CantExtractCallsign exception in simple_binary: CantExtractCallsign
[20:43] <Upu> [2013-07-15 20:42:09,596] DEBUG habitat.parser MainThread: Exception in UKHAS main parse: ValueError: Invalid XOR checksum.
[20:43] <Upu> [2013-07-15 20:42:09,595] DEBUG habitat.parser MainThread: Selected payload_configuration 66814dc14a62e1e65f46de3504a19346 for 'icarus'
[20:43] <Upu> [2013-07-15 20:42:09,539] INFO habitat.parser MainThread: Parsing [ascii] '$$icarus,387,20:41:52,53.617229,-1.713083,163,0.00,0.0,17.0,17.2*96AC\n' (8fbc9ac77ae34d026dffc8f37bccbca8e954854c1b56183ee81d05cee1dab953) from M0RJX_M
[20:44] <Upu> I think you must have wrong check sum on payload doc
[20:44] <Upu> as its expecting XOR
[20:44] <Willdude123> Anyway, I moved the NTX2 away, still doing exactly the same thing! But I'm not gonna swear.
[20:45] <Laurenceb_> arse
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[20:45] <rharrison_> Weird cos it's working it out herer on fldigi
[20:45] <rharrison_> ie green
[20:45] <Upu> hmm
[20:45] <Upu> well locally checksum works
[20:46] <Upu> hang on
[20:46] <rharrison_> can I edit my doc very easily?
[20:46] <daveake> fldigi doesn't know what type of checksum it just assumes it's xor if it's 2 chars or crc16 if 4
[20:46] <rharrison_> it's 4 and crc16
[20:46] <Upu> doc is correct
[20:46] f5ct (53735561@gateway/web/freenode/ip.83.115.85.97) left irc: Quit: Page closed
[20:46] <Laurenceb_> 24hours float, b6 takes the crown
[20:46] <Willdude123> What's the longest whole word dl-fldigi has "accidentally" decoded?
[20:46] <LeoBodnar> Thanks to all who has tracked and who are continuing to track B-6!
[20:47] <Laurenceb_> uk float and world pico balloon float records :P
[20:47] <Willdude123> I'm now adjusting it 1hz at a time.
[20:47] <LeoBodnar> Lol are you the official timekeeper Laurenceb_ XD
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[20:47] <Laurenceb_> well according to ukhas wiki...
[20:48] <Laurenceb_> i just grabbed times from there
[20:48] <Upu> check sum is wrong Rob
[20:48] <Upu> [2013-07-15 20:45:05,788] INFO habitat.parser MainThread: Parsing [ascii] '$$icarus,398,20:44:48,53.617237,-1.713068,162,0.00,0.0,17.7,17.8*B733\n'
[20:48] <LeoBodnar> Oh, by the way how do you define float as jcoxon one just rolled over the top and kept descending? Is it crossing original float altitude?
[20:49] <LeoBodnar> It's an interesting dilemma
[20:49] <Laurenceb_> picoatlas floated until sunset
[20:49] <Laurenceb_> LeoBodnar: you could try MFSK-64, it has FEC and there is code on the wiki
[20:49] <Laurenceb_> but it needs good frequency control
[20:50] <Upu> rharrison_ you're calculating the CRC wrong
[20:50] <Upu> you're CRCing "$$icarus,398,20:44:48,53.617237,-1.713068,162,0.00,0.0,17.7,17.8*"
[20:50] <LeoBodnar> Ah, cool, I did not know there was a list of float times Laurenceb_
[20:50] <Upu> you should be CRCing "icarus,398,20:44:48,53.617237,-1.713068,162,0.00,0.0,17.7,17.8"
[20:51] <Upu> I think
[20:51] <Willdude123> Still no proper decodes.
[20:51] <Willdude123> :C
[20:51] <Willdude123> I am absolutely annoyed at this.
[20:52] <rharrison_> weird is that new
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[20:52] <rharrison_> i get checksum good on dl-fldigi
[20:52] <Upu> have you changed the code ?
[20:52] <rharrison_> nope
[20:53] <Upu> I'm not sure
[20:53] <Willdude123> Even with the red bars exactly positioned on the right frequency.
[20:53] <Laurenceb_> http://www.arhab.org/#
[20:53] <Laurenceb_> oops - they have world records
[20:53] <Willdude123> No <omit word> decodes.
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[20:53] <Laurenceb_> CNSP is 57hours :-S
[20:54] <Laurenceb_> batteries wont last that long
[20:54] <craag> Willdude123: Have you tried decoding RTTY samples from the wiki?
[20:54] <Willdude123> craag: Many times.
[20:54] <Upu> will are you using software serial ?
[20:54] <craag> and it works?
[20:54] <Willdude123> Yes, I believe it does.
[20:54] <Upu> yes you're using software serial ?
[20:55] <rharrison_> Upu, weird seems to work now
[20:55] <Willdude123> Pyserial.
[20:56] <Upu> oh yes on the map
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[20:56] <rharrison_> i just created icarus-new
[20:56] <Upu> ok
[20:56] <Willdude123> Don't think it's software.
[20:56] <rharrison_> i wonder which doc is been used to decode
[20:56] <mfa298> Willdude123: it might help if you send a longer bit of text and maybe provide us with a recording and a list of your code
[20:56] <daveake> Upu Can I guess something?
[20:56] <Upu> also Willdude123 turn interupts off as you transmit
[20:56] <Upu> yes
[20:56] <Willdude123> F08RTTY,1r{WVIE9MIE)F08RTTY,1rIM1MIE9MIe)F08RTTY,1r{_VIE9MIE)F08RTTY,1r{wVIE9MIE)x8RTTY,Y[IM1MIE9MIE)F08RTTY,qz[VIE9MIE)F08RTTY,1rsVIE9MIE)F08RTTY,yZIM1MIE9MIE*CF0xRTTY,qz[IE9MIEicF28RTTY,q2[VIE9MIE)F08PTTYVIM1MIE9MIE)CF08RTTY,1r[VIE9MIE)F08RTTY,12svVIE9MIE)F08RTTY,q
[20:56] <daveake> That habitat "knows" about "icarus"
[20:56] <Willdude123> r{_VIE9MIE)F08RTTY,1rIM1MIE9MIE*CF08RTTY,qsIM1MIE9MIEiCF08RTTY|y{IM1MIE9MIE*CF08RTTYly{IM1MI1.3210~RTTY|y{IM1MI1.321 cgx\RTT}~VIM1Mie.32qpRT\y|VIMq3zIEycfx|R||>VIMl{{IE`z{~~>_>___\~k_{_~_~~_7?o}vn[~???~O?//u?c{]]}?_t]o~;_m_4_dbyc>s{R>,gk=hE~k3o}{RTTY,12sWVIE9MIE)F08R
[20:56] <Willdude123> TTY,1rsWVIE9MIE)F08\'OO@|/_bg[n~~zrE;zZ7vw)Z{r3csAY?Ogk x_ I-n
[20:56] <daveake> i.e. special codez
[20:56] <Upu> OH
[20:56] <Willdude123> ZBhZPdpIZn7A`ii~RTTY,123IE)F08RTTY,12sVIE9MIE)F08RTTm{IM9EIM,3>5IEyF08RTTY,123.IE)F08RTTY,123.IE)F08RTTY,123.IE)F08RTTY,123IE)F08RTTY,123IE)F08RTTY,123.IE)F08RTTY,123.IE)F08RTTY,123.IE)F08RTTY,123.IE)F08RTTY,123IE)F08RTTY,123.IE)F08RTTY,123&IE)F08RTTY,123IE)F08RTTY,1
[20:56] <Upu> wait
[20:56] <Upu> Willdude123 stop it
[20:56] <Willdude123> Oops. It looks shorter in dl-fldigi
[20:57] <Upu> Got it rharrison_ someone else has a payload doc for Icarus
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[20:57] <rharrison_> I have a trademark
[20:57] <Willdude123> Very sorry about that.
[20:57] <Upu> someone else has a payload with that call sign
[20:57] <Upu> lol
[20:57] <Upu> anyway you've just over written it
[20:57] <Willdude123> There.
[20:58] <Willdude123> http://pastie.org/8143739
[20:58] <Upu> and fixed the problem in the process
[20:58] <Willdude123> recording coming right up.
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[20:58] <mfa298> Willdude123: I meant your python code (assuming it's python)
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[20:59] <Willdude123> http://pastie.org/8143745
[20:59] <Upu> lets get a fligth doc rharrison_
[20:59] <daveake> Steady on it's not even flight day yet :p
[20:59] <Upu> lol
[20:59] Action: Laurenceb_ lolling
[20:59] <rharrison_> upu http://www.ipo.gov.uk/tmcase/Results/1/UK00002557550
[20:59] <Laurenceb_> lolling in a bad way
[21:00] <Laurenceb_> laugh or cry time
[21:00] <Upu> oh wow you were serious :)
[21:00] <Laurenceb_> just realised ive wasted the past 2 years
[21:00] <Laurenceb_> work
[21:00] <rharrison_> I work for an IP firm its what we do so I get a free tm
[21:00] <daveake> Willdude123, for a start please add a linefeed to what you're sending. Might make it easier to watch the output
[21:00] <Laurenceb_> my PhD is utter shit
[21:00] <Upu> can you trade mark a call sign ?
[21:01] <Upu> anyway fligth doc locks it for the duration of the flight doc
[21:01] <daveake> $$YESYOUCAN
[21:01] <Willdude123> Laurenceb_: It'll get you a good job surely, and no that's not what she said.
[21:01] <Willdude123> https://dl.dropboxusercontent.com/u/9477294/wavwav.wav
[21:01] <Willdude123> mfa298: ^
[21:02] <KT5TK_QRL> Mosquito1, the 2m version of the HabAmp: http://kt5tk.wordpress.com
[21:03] <Upu> cool Thomas
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[21:03] <Upu> Saw is larger :)
[21:03] <KT5TK_QRL> Yes, there are not many choices and the costs are higher
[21:04] <Upu> jumper selectable power :)
[21:04] <Upu> that was my contribution :)
[21:04] <KT5TK_QRL> You know where this comes from?
[21:04] <Upu> the design ?
[21:04] <KT5TK_QRL> Yes, I quoted you...
[21:04] <Willdude123> If anyone want to help me, they're welcome to.
[21:05] <Willdude123> http://pastie.org/8143739 is my code
[21:05] <Willdude123> *http://pastie.org/8143745
[21:05] <Willdude123> https://dl.dropboxusercontent.com/u/9477294/wavwav.wav
[21:05] <Willdude123> ^is what I'm rxing.
[21:06] <Upu> I like it , you know VK5QI is Darkside though ?
[21:06] <Lunar_Lander> Upu, got a few moments for PM?
[21:07] <Upu> if its quick Lunar
[21:07] <Upu> dog pestering
[21:07] <Lunar_Lander> ah
[21:07] <Upu> cheers for linking the shop btw KT5TK
[21:07] <Upu> appreciated
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[21:07] <rharrison_> Upu, can you approve 46ddbc41db3efee26a02f407f18269e1
[21:08] <Lunar_Lander> hello rharrison_ !
[21:08] <rharrison_> hi Lunar_Lander
[21:08] <GMT> rharrison_: your launch tomorrow ... what time approx, what freq?
[21:08] <Upu> done Rob
[21:08] <rharrison_> launch 9:30 bst 8:30UTC
[21:08] <rharrison_> 434.075
[21:09] <GMT> many thanks ... will be listening.
[21:09] <Willdude123> I think my NTX2 wants me to paRTTY
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[21:09] <rharrison_> Hum icarus not in the active flight list yet
[21:09] <Willdude123> urg
[21:10] <rharrison_> is now :-)
[21:10] <Willdude123> I guess I best come back tomorrow for help, since it seems a bit busy in here.
[21:10] <mfa298> Willdude123: I suspect there might be some timing issue going on or similar both strings almost decoded in the same way
[21:10] <Upu> yeah be patient will sorry its bust tonight
[21:11] <mfa298> having a much longer string - make it several times longer and recording a longer bit of audio might be useful
[21:11] <Upu> I'll update spacenear.us now
[21:12] <Upu> whats balloon and est burst rharrison_
[21:13] <mfa298> Willdude123: remember it can also take people a while to look at what you've provided and get things setup
[21:13] <KT5TK_QRL> Upu: Yes, I know Darkside. We're often chatting while you guys are asleep ;)
[21:13] <Upu> lol
[21:14] <rharrison_> 25k
[21:14] <rharrison_> upu
[21:14] <Upu> ok all set live prediction etc
[21:15] <rharrison_> upu not sure if you can fix this but my external temp and internal temp is around the wrong way
[21:15] <Laurenceb_> this is one slow balloon
[21:15] <rharrison_> we need an edit facility :-)
[21:15] <Upu> I can't
[21:15] <Upu> but DanielRichman maybe able too
[21:15] <mikestir> Willdude123: I decoded some of your wav with audacity and a piece of paper. it says RTTY,123.123
[21:16] <Upu> right dog walk
[21:16] <Upu> bbs
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[21:16] <rharrison_> it's not a prob
[21:16] <rharrison_> Upu, cheers for your help
[21:16] <fsphil> mikestir: dedication!
[21:17] <fsphil> I need to remember to leave my radio connected tomorrow
[21:17] <mfa298> from the source the string should be "
[21:17] <mfa298> lets try this again...
[21:17] <mfa298> from the source the string should be "RTTY,123.123,321.321 *CF08"
[21:17] <mikestir> yeah I didn't decode it all - I'm not that dedicated
[21:17] <mikestir> but it looks ok and the timing seems reasonable
[21:18] <mikestir> I reckon decoding issue
[21:18] <mfa298> I seem to get the first RTTY,12 decoding and the end F08 in dl-fldigi
[21:18] <mfa298> but the middle is generally corrupt (and often in a similar way)
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[21:18] <mfa298> I'm wondering if the timing in the UART is slightly off.
[21:19] <fsphil> I think you've a software problem Willdude123
[21:19] <mfa298> I think it's suposed to be a hardware uart (assuming he's still using the BeagleBone) but it might not be so happy with 300baud
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[21:20] <fsphil> a longer string would help
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[21:20] <rjharrison_eee> This is a test
[21:20] <fsphil> 4/5
[21:20] <fsphil> would recommend
[21:21] <rjharrison_eee> Cool all set up for mobile ops tomorrow
[21:23] Nick change: Steffann -> Steffanx
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[21:24] <daveake> Willdude123, I'd install minicom and use that to send serial data to the port. See if that works then you'll know where to start looking next
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[21:27] <fsphil> yea there's something happening in the middle of each string
[21:27] <fsphil> are you flushing the data?
[21:27] <Willdude123> Hmm No, i don't think.
[21:28] <daveake> no
[21:28] <mikestir> ahh I wonder if it's ISI because the shift isn't wide enough
[21:28] <fsphil> I've used 350hz
[21:28] <mikestir> I've been trimming the sample rate and can't get any decodes
[21:28] <Willdude123> -mikestir, indeed, that's it.
[21:28] <Willdude123> So it must be a decode problem
[21:28] <fsphil> nope
[21:29] <daveake> fsphil his code is: send string; wait 3 secs; loop
[21:29] <fsphil> does it keep the serial opened?
[21:29] <daveake> yes
[21:29] <mikestir> mind you I can decode it with mark 1 eyeball so fl-digi should have no problem
[21:29] <mfa298> Willdude123: a long string of a few characters (or even one character) might be useful (at least for people trying to analyse the audio)
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[21:29] <fsphil> it's the characters after the 123
[21:30] <Willdude123> Yeah
[21:30] <mikestir> Willdude123: can you send a long string of hex AA or 55?
[21:30] <fsphil> it looks like the characters after that are fine, but out of sync
[21:30] <Willdude123> well, not from my bed, no. But I will tomorrow.
[21:31] <Willdude123> daveake: For debug or as a solutiom.?
[21:31] <Upu> rjharrison Daniel has fixed the temps
[21:32] <daveake> It's a serial terminal you can't use that as a solution!
[21:32] <Willdude123> Hehe can't wait to see what my art teacher thinks of Jesus on Toast.
[21:32] <Lunar_Lander> wb cuddykid
[21:32] <daveake> It means you're not using your code and Python so it removes those two from the possibilities
[21:32] <Willdude123> Yeah
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[21:33] <Willdude123> The ftdi cable rxed fine.
[21:33] <daveake> OK, that's new info, I thought someone asked you to try that and you said you couldn't
[21:34] <Laurenceb_> i bet a snail could move faster than this hab
[21:34] <gonzo__> hell of a float
[21:34] <daveake> Are the French on their hols yet? That usually slows things to a crawl
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[21:35] <mikestir> got a decode
[21:35] <mikestir> it's 1.3% too fast
[21:35] <gonzo__> it's hot wx, it just wants to find a nice pub beer garden to settle in
[21:35] <daveake> 1.3% isn't much
[21:35] <mikestir> no
[21:35] <Upu> is this on a Beagle bone ?
[21:35] <mikestir> I'm surprised fldigi can't handle thta
[21:35] <daveake> < 5% /ought/ to decode
[21:35] <fsphil> I've had worse
[21:36] <mfa298> Upu: I'm assuming it still is
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[21:37] <daveake> I'd give the Beagle Bone the elbow
[21:37] <LeoBodnar> Has it become a geostationary balloon?
[21:37] <daveake> Use something that works
[21:37] <Willdude123> daveake: It's a challenge though.
[21:37] <fsphil> mikestir: I can't see the raw bits, is it 1 or 2 stop bits?
[21:37] <mikestir> 1 stop
[21:38] <fsphil> there you go
[21:38] <Willdude123> upu yeah
[21:38] <mikestir> actually I can get decodes with -5% pitch shift
[21:38] <rharrison_> OK guys I'm off to bed. Payload should up by 9:30am tomorrow
[21:38] <fsphil> fldigi doesn't work well with 1 stop bit and > 50 baud
[21:38] <mikestir> so it's actually much too fast
[21:38] <fsphil> g'luck tomorrow rharrison_
[21:38] <daveake> Willdude123, Set 2 stop bits in the code and dl-fldigi then try again
[21:38] <mfa298> I suspect the UART doesn't like being driven that low
[21:38] <fsphil> I'll have a listen
[21:38] <rharrison_> Cheers like oldtimes
[21:38] <mikestir> the 1.3% figure came from measuring it on screen, but error could be severe on such a short section
[21:38] <Willdude123> I'm supposed to be in bed atm but will do tomorrow.
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[21:38] <daveake> ok
[21:39] <fsphil> I've had many issues with 1 stop bit
[21:39] <fsphil> 1.5 or 2 works
[21:39] <fsphil> 2 is easier
[21:39] <mfa298> Willdude123: make a note of all these ideas and then work through them tomorrow
[21:39] <LeoBodnar> I like 7N2 most
[21:39] <Willdude123> But the code only has one!
[21:39] <fsphil> one is fine at 50 baud
[21:39] <LeoBodnar> Tell it to have two!
[21:40] <daveake> <daveake> Willdude123, Set 2 stop bits in the code and dl-fldigi then try again
[21:40] <daveake> ^^ this
[21:40] <fsphil> setting 2 stop bits in pyserial is trivial too
[21:40] <fsphil> infact pyserial should be how serial works all the time
[21:41] <Laurenceb_> get to bed Willdude
[21:41] <Laurenceb_> or naughty step for you
[21:41] <Laurenceb_> dont make me shout
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[21:41] <Willdude123> Laurenceb_: <omit word> off
[21:41] <Willdude123> please
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[21:42] <Lunar_Lander> LeoBodnar, is B-6 still operational?
[21:42] <LeoBodnar> Yes Lunar_Lander
[21:42] <Willdude123> Laurenceb_: I am actually in bed.
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[21:42] <Lunar_Lander> cool
[21:42] <LeoBodnar> Depending on what you call operational
[21:42] <Lunar_Lander> like still broadcasting and GPS still running
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[21:43] <LeoBodnar> Yes, but it has not moved beyond 5mi radius for the last 12 hours
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[21:43] <mikestir> it's probably stuck up a really tall tree
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[21:43] <LeoBodnar> Can I apply for the shortest distance traveled on the ballon within 12 hours record?
[21:44] <LeoBodnar> balloon
[21:44] <Lunar_Lander> a very interesting weather system
[21:44] <eroomde> well no not really
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[21:44] <daveake> LeoBodnar that's been beaten by several tree-bound balloons :)
[21:44] <eroomde> it's about the least interesting weather imaginable
[21:44] <eroomde> there is no weather
[21:44] <LeoBodnar> is it the noweather?
[21:45] <Willdude123> Has any payload ever landed at the launch site.
[21:45] <Willdude123> ?
[21:45] <daveake> not quite
[21:45] <eroomde> got within about 1-2km before
[21:45] <daveake> My closest was 100 miles but I know there have been closer ones
[21:45] <daveake> er
[21:45] <daveake> 11
[21:45] <craag> Your one for wednesday looks quite close dave
[21:45] <Laurenceb_> need a time warp mode
[21:45] <eroomde> from a proper 30km flight
[21:45] <Laurenceb_> to make something interesitng happen
[21:45] <fsphil> 100 miles would be easy :)
[21:45] <Laurenceb_> this is very slow going
[21:46] <daveake> craag yeah not bad that one
[21:46] <fsphil> I've had predictions landing really close but they never overlap with permission
[21:47] <Laurenceb_> at least its not flying out of range
[21:47] <daveake> 15 miles for Wednesday, at the mo
[21:47] <LeoBodnar> Willdude123: world record is 289m from the launch site http://www.arhab.org/#
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[21:48] <eroomde> link fail
[21:48] <fsphil> haha
[21:48] <eroomde> 2km was the best i've seen
[21:48] <eroomde> for a decent alt flight
[21:48] <fsphil> it's like they don't want people using their site
[21:48] <Willdude123> Let's just all give up and play ksp.
[21:48] <eroomde> about about 3m for a high pwoered rocket
[21:48] <eroomde> meters not miles
[21:49] <Laurenceb_> eroomde: so im writing my thesis, its on combining automated "capillary refill" with near infrared spectroscopy for blood flow monitoring...
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[21:49] <Laurenceb_> then i find this
[21:49] <Laurenceb_> http://www.assh.org/Professionals/ProdsSvcs/journalclub/Pages/TheAssociationbetweenCapillaryRefillTimeandArterialFlowinthePediatricUpperExtremity.aspx
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[21:50] <eroomde> that's why you spend the first year of a PhD reading everything in the field i suppose
[21:50] <Laurenceb_> indeed
[21:50] <Laurenceb_> 3 years wasted
[21:50] <Laurenceb_> oh well....
[21:50] <eroomde> there's always something salvageable
[21:51] <eroomde> remember a PhD is just a small dent
[21:51] <Laurenceb_> to be fair my data is showing it doesnt work
[21:51] <Laurenceb_> this is why i was looking and found this
[21:51] <eroomde> in the sphere of human knowledge
[21:51] <Laurenceb_> so i can prove all the medical textbooks wrong
[21:51] <Laurenceb_> they all say it works :P
[21:51] <LeoBodnar> Chose better acronym for your website than that one Laurenceb_
[21:51] <eroomde> this is good viewing
[21:51] <eroomde> https://www.facebook.com/video/video.php?v=10151234058075173
[21:51] <Laurenceb_> lol
[21:52] <eroomde> i spent a similar day trying to play apple in designed our company latex document for tech notes
[21:52] <eroomde> various voices calling for company smallprint and vat numbers on every page etc
[21:52] <Lunar_Lander> Laurenceb_, do you still have the dust collector?
[21:52] <eroomde> and document numbers in large font, ours and customers where they differ, in bold on the header and so on and so on
[21:53] <eroomde> apple in designing*
[21:54] <eroomde> "This makes the results of this study very confusing and difficult to interpret. The take home point is that capillary refill time can not be taken in isolation to demonstrate adequate perfusion. "
[21:54] <eroomde> sounds like they also didn't get anywhere
[21:54] <LeoBodnar> Hasn't this clip been made INSIDE Microsoft by frustrated employees?
[21:54] <Laurenceb_> its at my old uni Lunar
[21:54] <eroomde> yes LeoBodnar
[21:54] <Laurenceb_> you could ask to borrow it XD
[21:54] <eroomde> about 8 years ago or something
[21:54] <Laurenceb_> dont hold out much luck there
[21:54] <LeoBodnar> I remember it from some time ago
[21:54] <eroomde> snap
[21:54] <Laurenceb_> i believe they have a PhD student working on it atm
[21:54] <eroomde> gcse design and technology
[21:54] <eroomde> well, maybe AS level
[21:54] <eroomde> i am going to email it around tomorrow
[21:55] <fsphil> don't think I've seen that. is it on youtube? facebook basically doesn't work here
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[21:55] <Laurenceb_> eroomde: thats the point
[21:55] <eroomde> yes but crap quality
[21:55] <Laurenceb_> it DOESNT WORK
[21:55] <Laurenceb_> it tells you jack shit
[21:55] <Laurenceb_> thats what my data shows.. i was like wtf
[21:55] <Laurenceb_> until i found that
[21:56] <LeoBodnar> Nobody reads PhD submissions anyway
[21:56] <Laurenceb_> i've just spent 3 years automating it with near infrared spectroscopy
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[21:56] <eroomde> the average master's thesis is read 1.25 times
[21:56] <Laurenceb_> planetary scale fail
[21:56] <eroomde> that includes the author
[21:57] <daveake> haha
[21:57] <daveake> was about to ask that :)
[21:57] <Laurenceb_> my masters thesis is on the wiki.. sure its been read more than that
[21:57] <eroomde> yeah but it's shorter
[21:57] <eroomde> written like a journal paper
[21:57] <daveake> Hence the average being so higj
[21:58] <daveake> high
[21:58] <eroomde> usually they're like 50 pages/12k words
[21:58] <Laurenceb_> im sure there is a PhD comics for this...
[21:58] <Willdude123> Laurenceb_: Surprised it isn't in IRC trolling.
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[21:58] <Laurenceb_> yeah ill change the title to "Internet trolling"
[21:58] <Laurenceb_> i can do that easily
[21:58] <LeoBodnar> One of my friends challenged me to prove this and put a line in his "this apparatus is being cooled by an appointed slave bearing a feather fan." It went through into printed copies undetected by reviewers.
[21:59] <eroomde> nice
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[22:00] <Maxell> High Altitude Balloon payload doing it wrong http://imgur.com/gallery/q2A7b
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[22:00] <eroomde> this is like irc encouranging LeoBodnar
[22:00] <eroomde> http://img.gawkerassets.com/img/18tuhsl38p3dygif/ku-xlarge.gif
[22:01] <DL7AD> lol
[22:01] <Willdude123> afk reddit
[22:01] <Laurenceb_> wtf
[22:02] <LeoBodnar> Haha nice
[22:03] <LeoBodnar> eroomde: what is this guy holding in his right hand? Rubber duck head or revolver?
[22:03] <eroomde> this is laurence when someone comes in for arduino help
[22:03] <eroomde> http://img.ifcdn.com/images/6fee683df5683773e4c639bb6b2c607969577ec10b5a8c339439538599240c52_1.gif
[22:04] <Laurenceb_> true dat
[22:04] <eroomde> this is upu when will swears too much
[22:04] <eroomde> http://i.imgur.com/fpA6PCB.jpg
[22:04] <LeoBodnar> battery powered drill?
[22:04] <fsphil> lol
[22:04] <daveake> lol
[22:04] <Laurenceb_> looks like how i imagined willdude
[22:04] <eroomde> this is discussing fets with someone in particular
[22:04] <eroomde> http://i.imgur.com/LcdLm9r.jpg
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[22:04] <fsphil> have .. you been collecting these?
[22:05] <Steffanx> eroomde is hacked by Laurenceb_ ?
[22:05] <Laurenceb_> it seems to be eroomdepostssillypics o clock
[22:05] <Steffanx> Mind control?
[22:05] <LeoBodnar> Are they pee channel fets?
[22:05] <mfa298> on a similar idea I've heard the suggestion of putting a line into long reports for a meeting along the lines of "the first person to shout bananas during the meeting gets chocolage and beer"
[22:06] <Steffanx> eroomde, you know i now blame you for it.. Laurenceb_ likes to repost this crap in other channels.
[22:06] <eroomde> i just have the odd five minutes of internet purge
[22:06] <LeoBodnar> Spread the good news
[22:07] <LeoBodnar> Anybody played BS bingo at meetings?
[22:07] <mfa298> LeoBodnar: I've been very tempted sometimes.
[22:07] <eroomde> LeoBodnar: i previously worked on ExoMars
[22:07] <Laurenceb_> unfortunately im the only player :(
[22:07] <eroomde> the game is over by the time the agenda has been handed out
[22:07] <Laurenceb_> everyone at my meeting is BS central
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[22:08] <Laurenceb_> "we need to touch base on these issues"
[22:08] <LeoBodnar> Oh, no!
[22:08] <mfa298> eroomde: that last image reminds me of http://www.humorbin.com/showitem.asp?item=266
[22:08] <Laurenceb_> "Capillary refill is a waste of time?! We'll explore synergies with other areas then"
[22:09] <LeoBodnar> I had a boss who always said "to raise the flag" = show
[22:09] <LeoBodnar> "to close the gap" = fix
[22:09] <LeoBodnar> "to educate somebody about smth" = tell
[22:09] <Laurenceb_> heh
[22:09] <Laurenceb_> my boss says "close the gap"
[22:09] <eroomde> i once had
[22:09] <fsphil> "going forward"
[22:10] <eroomde> "could you cascade that information down the employee hierarchy"
[22:10] <fsphil> I've hit people for saying that
[22:10] <eroomde> meaning: 'email this'
[22:10] <Wouter-[pa3weg]> that´s a nice one
[22:10] <eroomde> basically i survived 6 months in the world of work
[22:10] <daveake> http://dilbert.com/strips/comic/2009-09-26/
[22:10] <Laurenceb_> lol its scary how much of this i hear at work
[22:10] <eroomde> before joining a company of 2 people
[22:10] <Wouter-[pa3weg]> I´ll cascade some info tomorrow
[22:10] <eroomde> now i am much happier
[22:11] <fsphil> we clearly need to close the gap where I work, we've lost our synergy
[22:11] <Wouter-[pa3weg]> we tend to use the dilberts in our company to prevent that kind of stuff
[22:11] <Laurenceb_> im thinking of moving to another company
[22:11] <Laurenceb_> http://gb.moor.co.uk/
[22:11] <LeoBodnar> "to increase visibility" = ??? just insert it randomly in front of something
[22:11] <Laurenceb_> not named after eroomde :P
[22:11] <Laurenceb_> but same managers :S
[22:11] <eroomde> i don't like being thanked for 'reaching out'
[22:12] <eroomde> as in, 'dear ed, thank you for reaching out to us'
[22:12] <fsphil> I'm making it a requirement that my next job doesn't involve VB
[22:12] <daveake> http://dilbert.com/strips/comic/2007-06-11/
[22:12] <eroomde> like it's the fucking Creation of Adam
[22:12] <LeoBodnar> Oh Dilbert! The only thing that got me through! Cheers daveake
[22:12] <Laurenceb_> wtf @ live chat app
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[22:13] <Brian_DK> gn all
[22:13] <DL7AD> gn
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[22:13] <DL7AD> did the balloon switch in night mode?
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[22:14] <LeoBodnar> gn!
[22:14] <fsphil> B-6 is still updating
[22:14] <LeoBodnar> It should start night mode in 45 minutes at 23:00 UTC
[22:15] <lz1dev> how much battery left?
[22:15] <DL7AD> thats what i remeber. nevertheless it stopped for one minute
[22:16] <LeoBodnar> It stops if it loses GPS lock.
[22:16] <DL7AD> should be at least 15h left from now some said
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[22:16] <Wouter-[pa3weg]> Leo, at what voltage will the DCDC quit?
[22:17] <DL7AD> b-5 stopped at 0.8v
[22:17] <LeoBodnar> Wouter-[pa3weg]: 0.8V is dead, 1.0V is about 40 minutes left
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[22:17] <LeoBodnar> I don't know much about AA, I have only used AAA before
[22:18] <jcoxon> awesome float
[22:18] <LeoBodnar> Night jcoxon
[22:18] <Laurenceb_> how much current does night mode save?
[22:18] <DL7AD> what about C type next time? :)
[22:18] <LeoBodnar> It hasn't moved for the last 12 hours jcoxon, can apply for record?
[22:18] <jcoxon> sure
[22:19] <eroomde> most stagnant
[22:19] <LeoBodnar> Laurenceb_: I guess 50-70% savings?
[22:19] <Laurenceb_> nice
[22:19] <Laurenceb_> just tx off?
[22:19] <LeoBodnar> So you buy yourself 3-4 extra hours.
[22:19] <DL7AD> cool Leobodnar
[22:19] <Wouter-[pa3weg]> Thanks
[22:20] <Laurenceb_> so about 53hours total going from B-4 ?
[22:20] <LeoBodnar> Have a look at battery discharge profile for B-4 http://x-f.lv/dev/habitat-graphs/payload/ee00b5b1db6f3d8067ccaa8e6733743e it's probably similar for AA
[22:20] <jcoxon> will check in the morning
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[22:21] <Laurenceb_> oh nice tool
[22:23] <Laurenceb_> yeah i get 53hours by scaling + night mode
[22:23] <Laurenceb_> not enough to beat CNSP :(
[22:25] <LeoBodnar> Lol I'll settle for less :)
[22:25] <Laurenceb_> enough to get to the third night
[22:25] <Laurenceb_> and see if it still floats
[22:25] <LeoBodnar> It is as slow as this http://en.wikipedia.org/wiki/Pitch_drop_experiment
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[22:26] <LeoBodnar> I think they have missed the 9th drop drop as due to video camera malfunction.
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[22:28] <DL7AD> does anybody know something about VOR decoding which could be used for position determination? this could be more efficient than gps in power consumption.
[22:28] <Laurenceb_> LeoBodnar: I bet you could take the float record if you improved power saving
[22:29] <Laurenceb_> 84.00 hours Project Blue Horizon 1969-12-31
[22:29] <Laurenceb_> dunno if that counts as amateur
[22:29] <LeoBodnar> It is very simple but VORs must be positively IDed before using them.
[22:29] <Laurenceb_> world record is an MIR balloon from CNES
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[22:30] <LeoBodnar> I have a few books on avionics and it is really simple system
[22:30] <Laurenceb_> actually no, superpressure has managed years
[22:30] <Laurenceb_> that was the CNES record iirc
[22:30] <Laurenceb_> using unpressurised balloon
[22:31] <DL7AD> LeoBodnar: yes them problem is you have to decode fm and am at the same time
[22:31] <DL7AD> LeoBodnar: there are good fm receivers but no goodam chips
[22:31] <LeoBodnar> Now it DOES make sense to look at solar powered source. B-6 mission is pretty much successfully finished now.
[22:32] <LeoBodnar> Antenna size is a bit of a problem too
[22:32] <Laurenceb_> http://ballonsolaire.pagesperso-orange.fr/en-historique3.htm
[22:32] <Laurenceb_> this is a novel idea
[22:32] <LeoBodnar> Very good idea DL7AD. I always wanted to make VOR receiver
[22:32] <Laurenceb_> impractical at small scales :(
[22:33] <Laurenceb_> LeoBodnar: transmit PRN
[22:33] <LeoBodnar> http://lea.hamradio.si/~s53mv/avionics/avionics.html
[22:34] <DL7AD> LeoBodnar received fm and am. compute the difference of phase. thats it.
[22:34] <DL7AD> LeoBodnar: thx for the link
[22:34] <LeoBodnar> I know, it's 60 years old technology!
[22:35] <Laurenceb_> LeoBodnar: maybe you could rx with the silabs...?
[22:35] <Laurenceb_> i dodnt know if si446x can output raw if
[22:35] <Laurenceb_> the chipcon stuff can
[22:36] <Laurenceb_> si4432 cant
[22:36] <Laurenceb_> http://ukhas.org.uk/guides:chipcon_cc1020_software_define_radio
[22:37] <LeoBodnar> I have it covered Laurenceb_ , I have made a single chip receiver based on AD607.
[22:37] <DL7AD> LeoBodnar i thought to do it first with an rtlsdr because for beginning this is the simplest way
[22:37] <LeoBodnar> It's a great chip but a bit silly with reference levels.
[22:38] <Laurenceb_> oh nice
[22:38] <LeoBodnar> http://www.analog.com/static/imported-files/data_sheets/AD607.pdf front end, mixers, I/Q demod, etc http://www.analog.com/static/imported-files/data_sheets/AD607.pdf
[22:38] <Laurenceb_> wow interesting ic
[22:39] <LeoBodnar> Just need an external synth - enter Si4432 or Si4060
[22:39] <LeoBodnar> Yes DL7AD I think Si4060 - > AD607 -> dsPIC33 will do the job
[22:40] <Laurenceb_> wait AD607 has its own pll?
[22:40] <Laurenceb_> im confused
[22:40] <LeoBodnar> Or whatever DSP is flavour of the month. Cortex-M*?
[22:40] <LeoBodnar> Yes, for second mixer
[22:40] <Laurenceb_> oh i see
[22:40] <LeoBodnar> It needs it for I/Q demod
[22:40] <Laurenceb_> so can it input 500mhz or not?
[22:41] <LeoBodnar> to recreate 90 degrees phase shift
[22:41] <Laurenceb_> grr i cant find a block diagram
[22:41] <Laurenceb_> http://webpages.charter.net/wa1sov/technical/Image48.gif
[22:41] <LeoBodnar> Ihttp://www.analog.com/static/imported-files/data_sheets/AD607.pdf page 14
[22:41] <Laurenceb_> aha
[22:42] <Laurenceb_> so how fast cant its pll go? 12mhz?
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[22:43] <LeoBodnar> This is for 2nd IF I think - it's been awhile
[22:43] <Laurenceb_> hmm im not sure this will be better than ublox
[22:43] <Laurenceb_> can max7 sleep with ram backup?
[22:43] <Laurenceb_> my ublox6 will reaquire in <450ms from full sleep with ram backup
[22:44] <LeoBodnar> Yes, 12MHz max for PLL, its VCO won't adjust to above that
[22:45] <Laurenceb_> i see
[22:45] <Laurenceb_> id put ublox into sleep with RTC only
[22:45] <LeoBodnar> Screw the power, it's just a cool toy! :)
[22:45] <Laurenceb_> hang on.. does max7 have rtc?
[22:45] <Laurenceb_> lol
[22:45] <LeoBodnar> Analogue makes an evaluation board with it on
[22:45] <Laurenceb_> if you have rtc + ram on ublox6 it will reaquire in milliseconds
[22:46] <Laurenceb_> and draws microamps inbetween
[22:46] <Laurenceb_> only needed to run for ~1second for each fix
[22:47] <LeoBodnar> Yeah but it won't get any useless-but-cool points
[22:47] <LeoBodnar> UBLOXes are full of dark matter. I don't understand how they work.
[22:48] <Laurenceb_> arm7tdmi with tons of dsp accelerators hanging off the AHB bus
[22:48] <LeoBodnar> They wake up when they feel like it and go to sleep just as well
[22:48] <Laurenceb_> at least ublox5 + is
[22:48] <Laurenceb_> earlier is multi chip thingy licensed from atmel
[22:49] <LeoBodnar> Ah, I haven't looked into them that close
[22:49] <LeoBodnar> They beauty of them was supposed to be that you don't have to
[22:49] <Laurenceb_> unless you want the ubx to work...
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[22:51] <Willdude123>
[22:51] PE2G (Miranda@a83-161-208-176.adsl.xs4all.nl) left #highaltitude.
[22:51] Action: Willdude123 Is going to sleep now.
[22:51] <Wouter-[pa3weg]> lots of QRM here for B-6
[22:52] <Wouter-[pa3weg]> so no decoding for quite a while
[22:52] <Maxell> :o
[22:52] <Maxell> :(
[22:53] <LeoBodnar> It's started going your way Wouter-[pa3weg]
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[22:53] <Maxell> Yep. I hope it's within my horizon too tomorroq
[22:54] <Maxell> I tested two payloads decoding at the same time so that should just work fabalous
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[22:56] <Lunar_Lander> LeoBodnar, it is awesome that you made six flights in rapid succession, flew to france twice, established DominoEX
[22:56] <Lunar_Lander> and got some superpressure readings )
[22:56] <Lunar_Lander> :)
[22:57] <LeoBodnar> Cheers Lunar_Lander I am enjoying doing this :)
[22:57] <Maxell> Is the DominoEX code out somehwere?
[22:58] <LeoBodnar> I think dl-fldigi source has it or fldigi
[22:58] <Laurenceb_> its tied a knot
[22:58] <Lunar_Lander> :)
[22:59] <DL7AD> P-6 is still strong at F5VMH
[22:59] <Willdude123> How does dominoex work?
[23:00] <Laurenceb_> by dropping dominoes from the hab
[23:00] <Laurenceb_> they have the position written on them
[23:00] <Laurenceb_> but they are mixed up with pron, hence the x
[23:00] <LeoBodnar> It looks like it will finally start moving towards BE/NL http://ready.arl.noaa.gov/hypubout/18588_trj001.gif
[23:00] <Laurenceb_> this ensures they are found
[23:01] <F5mvo> LeoBodnar : now its beep
[23:01] <LeoBodnar> It is OK, it will beep for 4 minutes and send more coordinates after that = Night mode
[23:02] <LeoBodnar> Thanks for tracking so late F5mvo by the way !
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[23:02] <LeoBodnar> Where is "S" in DominoEX?
[23:03] <F5mvo> LeoBodnar : i go to sleep, see you tomorrow
[23:04] <LeoBodnar> Thank you F5mvo good night!
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[23:04] <Laurenceb_> fldigi should track it fine without manual assistance right?
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[23:04] <Laurenceb_> thats an issue with mfsk - autotune is glitchy in fldigi
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[23:05] <LeoBodnar> Yay! update
[23:05] <LeoBodnar> Night mode works. I think I'll have some sleep too.
[23:05] <Laurenceb_> and... not much is happening
[23:05] <Lunar_Lander> LeoBodnar, what is MainBusB ?
[23:05] <Laurenceb_> cya
[23:05] <Lunar_Lander> hommage to Apollo 13?
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[23:06] <Lunar_Lander> and good night :)
[23:06] <LeoBodnar> Lunar_Lander: it's processor power circuit stepped up from battery voltage. Must be at 2.0V all the time
[23:06] <Lunar_Lander> ah :)
[23:06] <LeoBodnar> Yep!
[23:06] <Lunar_Lander> good night :)
[23:07] <LeoBodnar> OK, good night chaps. It's been a great day, let's see what happens in the morning.
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[23:23] <Laurenceb_> is it still alive?
[23:23] <Laurenceb_> no listeners?
[23:29] <DL7AD> wow..... what a shift of the transmitter...
[23:29] <DL7AD> it has gone in night mode
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[23:30] <DL7AD> it tansmits only serval times and not continuous
[23:30] <DL7AD> Laurenceb_
[23:30] <Laurenceb_> ah - thought i hadnt seen it for 15min tho
[23:30] <Laurenceb_> back now
[23:31] <DL7AD> yes. and now its sleeping again. its beeping on the band
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[23:34] <Maxell> How does that beeping looks on the waterfall?
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[23:56] <DL7AD> beeping: http://i.imgur.com/BL2dwmY.png
[00:00] --- Tue Jul 16 2013