highaltitude.log.20140708

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[04:56] <SP9UOB-Tom> enening
[04:56] <SP9UOB-Tom> morning i mean ;-)
[04:56] <SP9UOB-Tom> please run aprs importer for sp9uob
[04:56] <SP9UOB-Tom> thank You
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[05:30] <Upu_M0UPU> done SP9UOB-Tom
[05:31] Nick change: Upu_M0UPU -> Upu
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[05:50] <SP9UOB-Tom> thanks Upu, can You please ask someone to expand my flight period. My efforts was futile ;-)
[05:53] <SP9UOB-Tom> time to work, CU
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[06:10] <DL7AD> thunderstorm here in berlin
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[07:36] <jed_edu> SLEET recovered again
[07:36] <fsphil> woo!
[07:37] <fsphil> it seemed to go on a little adventure overnight
[07:37] <fsphil> where did you find it this time?
[07:37] <amell> poor sleet
[07:37] <UpuWork> lol
[07:37] <LeoBodnar> yay
[07:37] <UpuWork> got pics lol
[07:37] <amell> the bastard child that nobody wants and keep trying to get rid of it.
[07:38] <UpuWork> flight doc is still active if you want to send it up again :)
[07:38] <UpuWork> I call this doing an Artur
[07:38] <UpuWork> longflight many times
[07:38] <fsphil> lol
[07:38] <LeoBodnar> artur it
[07:38] <UpuWork> same call sign same flight long flight
[07:38] <LeoBodnar> *long fly
[07:38] <amell> if you can drop it this way, i have enough helium for two :)
[07:39] <Steve_G0TDJ_AFK> 'Morning Guys
[07:39] Nick change: Steve_G0TDJ_AFK -> Steve_G0TDJ
[07:39] <UpuWork> morning Steve
[07:39] <fsphil> g'morn
[07:39] <jed_edu> In a tree in a church
[07:39] <UpuWork> this is beyond the call of duty :)
[07:40] <jed_edu> I have http://imgur.com/CDTBy1k
[07:40] <LeoBodnar> second coming
[07:40] <amell> oh. its latex?
[07:40] <fsphil> fake sun
[07:40] <amell> i thought you swapped for a foil
[07:40] <daveake> does a relaunch need a notam? :p
[07:40] <jed_edu> Dont have any foils
[07:41] <jed_edu> Its going up about 12:30
[07:41] <amell> how did you get it down
[07:41] <daveake> we shall pretend it landed and relaunched itself
[07:41] <amell> it all fits inside 2m so doesnt need a notam?
[07:41] <daveake> UpuWork Get your chase car ready this is coming your way
[07:41] <jed_edu> Went to wickes and bought 2 x 3m waste pipes
[07:41] <daveake> Possibly in a few days :p
[07:42] <jed_edu> and a hook
[07:42] Action: fsphil clears a weekend to track sleet. in august
[07:42] <amell> awesome, now what are you going to do with the waste pipes?
[07:43] <jed_edu> mmm
[07:44] <daveake> It's going for the artic challenge
[07:44] <fsphil> be quicker to wait for the next ice age
[07:45] <UpuWork> lol
[07:45] <LeoBodnar> lol
[07:45] <daveake> 2 launches 2 recoveries 0 bursts
[07:45] <LeoBodnar> amazing
[07:45] <mfa298> if it's the 34mm abs wsate pipe it doubles up quite nicely as an antennas support
[07:46] <LeoBodnar> heavens resist
[07:46] <amell> 50mm waste pipe is good for cable ducts
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[07:48] <jed_edu> How much free lift does it actually need to float
[07:48] <jed_edu> at a reasonable alt
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[07:54] <fsphil> it had 4g, so probably a little bit more than that :)
[07:54] <fsphil> if the sky is clear 4g might do
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[07:54] <fsphil> I think it was just the thick clouds that caused the descent
[07:55] <jed_edu> ahh wife has just turned laptop on its on the map
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[07:59] <daveake> Yep 4g good on a clear day
[08:04] <jed_edu> What is b63 on 434.500 ?
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[08:30] <Steve_G0TDJ> jededu: I've just started recieving B-63s pips on 434.500.20Mhz for 1500 center
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[08:35] <Ron_G8FJG> in the contessa64/1000 signal I decoded this ax25 message 1:Fm M0XER-3 To APRS63 <UI F/C Pid=F0 Len=46> [09:30:54R] !/4&PdN96+O H1!y/A=021696 ISM 10mW|"$Q='U>q!(|
[08:36] <Ron_G8FJG> how do I get it anywhere useful
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[08:38] <Ron_G8FJG> got to reboot system, so will be awol for 5 mins
[08:38] <Steve_G0TDJ> jededu: I'm recieving B-63s pips/data on 434.500.20Mhz for 1500 center
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[08:39] <jed_edu> thx
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[08:47] <amell> B-63? sneaky bugger!
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[08:49] <amell> Ron: you detected AX25 message on 434.500?
[08:49] <gonzo__> we need a keyword to wake up the irc clients if leo launches
[08:49] <gonzo__> 'leoisflying' !
[08:50] <Ron_G8FJG> yes decoded 3 in a row , then managed to lock up pc mission control here!!
[08:51] <amell> I dont think it is supposed to send AX25 messages on 434.500. LeoBodnar?
[08:53] <gonzo__> it's quite legal, may get people with fm only to rx it
[08:53] <amell> that is just incredible. I cant see B63 on my waterfall, but contesia is decoding :)
[08:53] <Ron_G8FJG> the ax25 is between the 64/1000...1:Fm M0XER-3 To APRS63 <UI F/C Pid=F0 Len=46> [09:52:48R] !/3vEHN6$MO H10F/A=028510 ISM 10mW|"4Qu(9>%!(|
[08:54] <Ron_G8FJG> no uz7ho software decoding
[08:55] <amell> nothing would listen to ax25 on 434.500, so i dont see the point of sending ax25 on that freq. might even be a bug.
[08:55] <Ron_G8FJG> but I dont know how to parse ? the info
[08:56] <mikestir-work> I think my igate is still tuned to 434.5
[08:56] <mikestir-work> hasn't received anything yet though
[08:58] <amell> the contesia is indistinguishable from my noise, and it still decodes :)
[09:01] <LeoBodnar> yes I am sending APRS on 434.500 ISM
[09:02] <LeoBodnar> you can igate them to aprs-is if you have igate software setup
[09:02] <mikestir-work> it's certainly doing a good job of demonstrating how crap my igate is
[09:02] <LeoBodnar> here we go http://aprs.fi/#!mt=roadmap&z=11&call=a%2FM0XER-3&timerange=3600&tail=3600
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[09:07] <Steve_M6SNK> Morning
[09:07] <UpuWork> morning
[09:07] <Steve_M6SNK> If I would like to start a discussion about the pros and cons of one of the guides on the wiki how would I go about it
[09:08] <UpuWork> shoot
[09:08] <Steve_M6SNK> its your interupt driven rtty guide :)
[09:08] <UpuWork> jolly good
[09:08] <UpuWork> is that on the wiki ?
[09:08] <Steve_M6SNK> using interupts is nice
[09:08] <Steve_M6SNK> I think so
[09:09] <Steve_M6SNK> http://ukhas.org.uk/guides:interrupt_driven_rtty?s[]=interrupt
[09:09] <Steve_M6SNK> I think there are other references as well
[09:09] <Steve_M6SNK> I just wanted to drill in to it a bit more
[09:09] <UpuWork> that was done by ibanezmatt actually but I think it was based on some code I did originally
[09:09] <Steve_M6SNK> post thoughts etc
[09:10] <UpuWork> http://ava.upuaut.net/?p=408
[09:10] <Steve_M6SNK> I have it working but I may move away from it
[09:10] <UpuWork> well I would always time your transmission on an interupt
[09:11] <Steve_M6SNK> well I think there are other considerations
[09:11] <Steve_M6SNK> but rather than just jotting them all here
[09:11] <Steve_M6SNK> I was wondering if there was way for others to input as well via a comments section for example
[09:11] <UpuWork> generally the over riding need to ensure accurate timing for the transmissions necessitates using interupts
[09:11] <UpuWork> you can get away with it without at slower baud rates
[09:12] <Ron_G8FJG> I've got APRSS32 , but am running out of screens to play.I'll look into it later
[09:12] <UpuWork> whats your other considerations ?
[09:12] <Steve_M6SNK> One interesting thing that I noticed was when I was trying to debug I put log statements in the interupt service routine
[09:12] <Steve_M6SNK> that in itself caused timing issues
[09:12] <Steve_M6SNK> there are others as well
[09:12] <Steve_M6SNK> for example the complexity of the code
[09:13] <Steve_M6SNK> the randomness of what is actuall executing
[09:13] <Steve_M6SNK> well not really random but ..
[09:13] <UpuWork> yeah you can't really do that
[09:13] <Steve_M6SNK> also I have actually done this
[09:13] <Steve_M6SNK> if mode =1 read sensors and generate telemery
[09:13] <Steve_M6SNK> if mode = 2 transmit
[09:14] <Steve_M6SNK> things like reading analog sensors means that you have to disable interupts
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[09:14] <Steve_M6SNK> it all makes for a complicated code base
[09:15] <Steve_M6SNK> where as your other examples with a simple delay work fine as well
[09:15] <UpuWork> if thats dedicated it should work but interupts are a more elegant way of dealing with it
[09:15] <UpuWork> yes they work but as your code gets more complex
[09:16] <UpuWork> you may start to run into timing issues
[09:16] <Steve_M6SNK> the reasoning on the wiki (there may be of course other considerations) is that it allows more processing time for doing other stuff
[09:16] <UpuWork> that on the wiki is just a guide for you to develop
[09:16] <daveake> If (say) an analog sensor takes a while to run, you can usually trigger the measurement then come back later to get the result. General plan for ISRs is to do as little as possible in them.
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[09:19] <Steve_M6SNK> I know the wiki is a guide and its great that there are interupt driven examples there
[09:20] <Steve_M6SNK> its a really good learning resource
[09:20] <UpuWork> anyway
[09:20] <UpuWork> ibanezmatt13 did it
[09:20] <UpuWork> so blame him
[09:20] <Steve_M6SNK> :)
[09:20] <UpuWork> oh hai ibanezmatt13
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[09:20] <ibanezmatt13> morning... :)
[09:20] <Steve_M6SNK> It would be good to be able to comment on the wiki pages somewhow
[09:21] <ibanezmatt13> yeah I asked this before, if there's something wrong on there, please feel free to change it :P
[09:21] <UpuWork> you can its an open wiki
[09:21] <UpuWork> give me your login and I'll give you permissions to edit articles
[09:21] <mikestir-work> Steve_M6SNK: you'd need to be using interrupts if you want to achieve minimum power consumption, so it's worth getting the hang of it for when you decide to develop a pico payload :)
[09:22] Nick change: DL7AD_ -> DL7AD
[09:22] <Steve_M6SNK> I already have permissions thanks - I didnt want to change it without some sort of moderation though
[09:22] <Steve_M6SNK> why is interupt driven code more power efficent than a delay?
[09:23] <mikestir-work> because you put the cpu to sleep while you wait for something to happen
[09:23] <mikestir-work> in embedded software in general, spinning in a loop doing nothing is called a "busy wait" and is frowned upon
[09:23] <Steve_M6SNK> I have interupts sorted - its just that I think that they are a complication that can cause issues
[09:24] <Steve_M6SNK> were doing that anyway in the AVR code
[09:24] <Steve_M6SNK> loop() { do stuff; delay(500); }
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[09:26] <Steve_M6SNK> Its still very nice to have the interrupt driven RTTY example there to be developed
[09:27] <Steve_M6SNK> and I am not suggesting at all to remove it
[09:27] <Steve_M6SNK> Or that in some cases its the right thing to do
[09:32] <gonzo__> interrupt driven is the clean way to do it. But it needs more thougght and a peoper undersstanding of what is going on
[09:36] <mikestir-work> that wiki example is pretty good really. There are some optimisations that could be made, but the way it is written is clearer for a beginner I think
[09:40] <Steve_M6SNK> yes but I aslo think that it would be good to put some detail about why you would want to use interupts along with other ways of implementing
[09:40] <mikestir-work> Steve_M6SNK: I wonder if you're struggling because you're trying to put too much in the isr? All that should be in there is the code to generate the rtty bits at the right time - this is the time critical part. Sampling sensors, reading from the gps and generating the sentence to be transmitted are not time sensitive and should be done in the main line
[09:40] <Steve_M6SNK> I know there is a delay example
[09:40] <Steve_M6SNK> I have it all working
[09:40] <Steve_M6SNK> and I have several variations that I have been playing with
[09:41] <Steve_M6SNK> not struggling just sharing what I have come across while implementing
[09:42] <Steve_M6SNK> I think that the best way to document it would be to provide the interupt example as an alternative with reasons why you might like to use it
[09:43] <mfa298> If you havn't already it's potentially worth using something like github to manage your code. That way you can also easily share what you've done and someone might spot if there's something obvious you've done wrong
[09:43] <Steve_M6SNK> I am happy to put a page or two together if wanted
[09:43] <Steve_M6SNK> I was thinking about that
[09:44] <Steve_M6SNK> Is there a UKHAS github repository already setup
[09:44] <mfa298> people generally setup their own and provide links to their own repositories
[09:45] <Steve_M6SNK> Do you think there would be a use for a centeralised repository so people dont have to dig around
[09:46] <mfa298> centralised repository only really makes sense if there's several people working on the same set of code which doesn't tend to happen for trackers.
[09:47] <Steve_M6SNK> might as well post it in the projects section of the wiki?
[09:48] <mfa298> that's the sort of thing that tends to happen.
[09:49] <mfa298> either projects like that, or example sets of code for guides etc (There's a link to some of my code in the raspberry Pi guides where I've tried some slightly more out there methods)
[09:51] <Steve_M6SNK> I may start my own project section a pop it all there
[09:52] <Steve_M6SNK> Goodo - back to work for now :)
[09:52] <Ron_G8FJG> got to go, leave kit to own devices!
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[10:00] <LeoBodnar> http://leobodnar.com/balloons/files/B-63-QRM.png
[10:00] <UpuWork> quite impressive
[10:01] <Steve_G0TDJ> I have the opposite, I can hardly see a signal and it's still decoding (most of the time)
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[10:04] <fsphil> the only way better than interrupt is to use a hardware uart
[10:05] <amell> ooh, is B63 coming at me
[10:07] <fsphil> B-63 is probably in range of me and my radio isn't on
[10:09] <daveake> It's much higher than SLEET managed :/
[10:10] <gonzo__> except uarts often will not go down to the speeds we use. (And won'y do 5 bit, so no baudot)
[10:11] <daveake> Yeah that last one is a biggy :p
[10:11] <adamgreig> use an FPGA, your UART can go down to any speed and bit length :P
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[10:11] <adamgreig> power consumption a minor concern only
[10:11] <fsphil> no baudot? nooooooo
[10:12] <fsphil> 50 is too slow
[10:12] <fsphil> no reason not to use 100 or 150
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[10:16] <gonzo__> hehe i like baudot. Mechanical teleprinters rule
[10:16] <gonzo__> I would like one of the odl telegram printers that print on a strip of tape. Never seen one for sale though
[10:16] <gonzo__> old
[10:18] <adamgreig> would love to tear it off and read out the balloon position
[10:18] <amell> is sleet going back up today?
[10:19] <adamgreig> "we've received a telegram from the balloon!" "where is it?" *tear* "51 degrees, 12 minutes and 14 seconds north, two minutes and sixteen seconds west!" "let's go!"
[10:19] <adamgreig> maybe should stick a thermal receipt printer in a box with a radio
[10:19] <adamgreig> could include a little black-and-white photo "wish you were here"
[10:19] <fsphil> print out of hellschriber signal
[10:20] <adamgreig> that works
[10:20] <fsphil> not sure how
[10:20] <fsphil> reel of thermal paper, 16 heating elements (nichrome?)
[10:20] <amell> would it be possible at all to put a tiny camera on B picos?
[10:21] <fsphil> or 16 bright IR LEDs focused on the paper
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[10:21] <fsphil> amell: yes though the power and memory requirements might be a bit high
[10:22] <amell> just turn it on once an hour and snap a pic&.
[10:22] <fsphil> not sure how much of a problem weight is. cmos sensors are not too heavy
[10:22] <fsphil> amell: then you have to store the image somewhere
[10:22] <adamgreig> gotta run the radio for a while too
[10:22] <amell> true. hmm.
[10:22] <LeoBodnar> let me master floating first
[10:22] <fsphil> even small images would take a few minutes
[10:22] <fsphil> though at 1200 baud packet it wouldn't be too bad
[10:23] <amell> LeoBodnar: hahahaha - this coming from the master of floating? :)
[10:23] <daveake> https://imgflip.com/i/a4z0d
[10:23] <gonzo__> I have seen a real hell machine, but they wanted a grand for it.
[10:23] <amell> ^^ lol daveake
[10:23] <fsphil> the devils!
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[10:26] <gonzo__> amell: decoding my first tracker design www.g0nzo.co.uk/misc/tty/mechtty.AVI
[10:27] <amell> camera for a B? http://www.ovt.com/uploads/parts/OVM7690_PB(1.0)_web.pdf only 2.9mm square
[10:28] <amell> cant find weight, but probably less than a gram, seeing as its 2.5mmx 2.9mm x 2.5mm
[10:30] <mikestir-work> good luck getting the good cameras out of omnivisio
[10:30] <mikestir-work> n
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[10:32] <amell> would be nice to get an image from the artic or far siberia :)
[10:32] <amell> also opens up the possibility of star tracking
[10:33] <mikestir-work> anyone here familiar with metcal irons?
[10:33] <amell> my wife is good with irons
[10:34] <mikestir-work> you'd better hope she's not good with irc logs ;)
[10:35] <fsphil> none of the cameras I tried could image anything but the very brightest stars
[10:35] <adamgreig> mikestir-work: I've used them
[10:36] <adamgreig> they are my favourite ever irons
[10:36] <mikestir-work> we have one here and it's totally unusable. I'm wondering if it's bust
[10:36] <mikestir-work> it's just not hot enough
[10:36] <adamgreig> the temperature is regulated by the tip
[10:36] <adamgreig> so maybe you need a new tip
[10:36] <amell> what is the tip temp? try IR thermo on it
[10:36] <mikestir-work> I know. It's a brand new tip
[10:36] <adamgreig> and they're single-temperature per tip (by design), so if you have a lead-soldering tip and are trying to do lead-free, you'll have issues
[10:37] <mikestir-work> lol IR thermometer - we're a startup you know :)
[10:37] <fsphil> are they the ones with the coil in the tip?
[10:37] <mikestir-work> we barely have chairs
[10:37] <mikestir-work> yeah they're inductively heated
[10:37] <fsphil> self regulating
[10:37] <adamgreig> uses magnets too aiui
[10:37] <fsphil> very neat design
[10:37] <adamgreig> lots of magic
[10:37] <adamgreig> they're great
[10:37] <adamgreig> mikestir-work: that sounds dubious then
[10:37] <fsphil> some day when I'm growed up I'll get one :)
[10:37] <adamgreig> any reason to suspect it might be bust besides that? is it particular old or dubious looking?
[10:38] <mikestir-work> no it's only a year old apparently
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[10:41] <adamgreig> :(
[10:41] <adamgreig> sounds upset
[10:46] <Ian_> gonzo [11:16] Creed 85R printing reperforators, noisy beasts and from another era altogether. Don't miss masses of tape one little bit, but appreciate the nostalgia.
[10:46] <LeoBodnar> i think it's Curie effect not magnets
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[10:49] <mikestir-work> I found another tip and it seems better
[10:49] <I0N2NF> What freq is B-63 on please ?
[10:51] <daveake> *LeoBot 434.500 MHz
[10:52] <I0N2NF> 50 bps rtty ?
[10:55] <I0N2NF> $$B-63,199,105150,140708,52.704,-0.8896,12318,8,0,4.5,0.63*E67A $$B-63,200,105335,140708,52.7043,-0.8863,12325,9,6,4.52,0.6*D6C4
[10:55] <I0N2NF> Got it, thanks for that..
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[10:57] <Herman-PB0AHX> gm all
[10:58] <gonzo__> Ian_, That one lives in my front room. I can get print roll for it, but punch tape seems to be hard to get now (no idea why!)
[10:58] <gonzo__> a place in states makes it, but sold by the box and post will be high!
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[11:02] <tweetBot1> @daveake: Blog post re yesterday's @pitsproject test flight http://t.co/XSvQVNGEE6 #raspberrypi #UKHAS
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[11:06] Nick change: Steve_G0TDJ_ -> Steve_G0TDJ
[11:10] <Ian_> gonzo_, alas but hooray, the world has moved on from 11/16" parchmentised paper tape. The 85R was a printing reperforator, not a page printing re/perforator. Sounds like a smaller one if it's in a family front room . . . with lift/rotate aggregate print head.
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[11:18] <DL7AD> morining
[11:18] <DL7AD> *morning
[11:21] <Herman-PB0AHX> DL7AD: good morning
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[11:36] <Herman-PB0AHX> LeoBodnar: leo is it the same power as usual for B63 ??
[11:37] <DL7AD> Hi Herman-PB0AHX
[11:38] <Herman-PB0AHX> DL7AD: hi hi
[11:48] <LeoBodnar> yeah Herman-PB0AHX
[11:55] <amell> It does seem quieter.
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[12:52] Nick change: cardre_ -> cardre
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[12:57] <fsphil> anyone played with the Spark Core?
[12:57] <fsphil> http://cpc.farnell.com/jsp/bespoke/bespoke2.jsp?bespokepage=cpc/en_CC/special_offers/bargains/part_detail/Spark_lp.htm
[12:58] <fsphil> stm32f103 processor with built in wifi
[12:58] <fsphil> range not too useful for HAB'ing but it looks like a neat device
[12:59] <adamgreig> cute
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[13:05] <mattbrejza> its a stm32 + cc3000 that is somehow arduino compatible?
[13:06] <adamgreig> so many of these dev boards flooding the market now :P
[13:06] <mattbrejza> 'The Core uses Wiring, the same programming language that Arduino uses' :/
[13:06] <adamgreig> i.e. c++ and some libraries to make single pin gpio easier
[13:07] <mattbrejza> and the stm32 has some usb bootloader and config it seems
[13:07] <mattbrejza> didnt know arduino had 'renamed' c++
[13:08] <fsphil> neither did I
[13:08] <fsphil> annoying enough that they use a different extension
[13:08] <adamgreig> so arduino didn't
[13:08] <adamgreig> wiring precedes arduino
[13:09] <adamgreig> it's a language, libraries/api and IDE from way back
[13:09] <adamgreig> there was a 'wiring board' once
[13:09] <fsphil> ah
[13:09] <adamgreig> it's basically some people trying to make c++ easier in embedded stuff
[13:09] <adamgreig> arduino took it and ran with it
[13:09] <adamgreig> I'm surprised these spark people even knew about it I guess :P
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[13:22] <io92nf> Is SLEET off air ?
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[13:33] <DutchMillbt> Afternoon PE2G in the house?
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[13:50] <chrisg7ogx> nice big electric storm here aerials disconnected
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[13:58] <fsphil> there's a few small storms dotted around england atm
[13:58] <gonzo__> we had one coming over when we were taking down the masts at VHF NFD over the weekend
[13:58] <gonzo__> on a hill top with metal poles
[14:00] <gonzo__> someone suggested we abandoned and went to a safe distance (that was the guy who was trying to instruct us on the safe use of a ladder). I ignored hima nd said, crank faster!
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[14:03] <chrisg7ogx> TThor. is. angry on the s
[14:03] <Ian_> looks like the rain is socked in for the day in West Midlands.
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[14:05] <chrisg7ogx> i
[14:05] <chrisg7ogx> Thor is angry on the South Coast
[14:08] <myself> That reminds me, I need to order parts for a blitzortung detector.
[14:09] <fsphil> I need a permenant home for mine. I keep tripping over the cable
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[14:09] <myself> How much work was it to get it up and running?
[14:10] <fsphil> not too bad. a few hours soldering. (then in my case a >1 year gap while i worked on other things)
[14:10] <fsphil> software is pretty simple
[14:11] <fsphil> I haven't found a proper location for the gps yet
[14:11] <fsphil> it's sitting on my window atm
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[14:15] <Laurenceb_> not very windy up there today
[14:17] <gonzo__> not seen him here yet
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[14:24] <amell> Is sleet going up again soon?
[14:26] <gonzo__> if so it would qualify for the yoyo award
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[14:31] <Laurenceb_> does sp9uob have solar?
[14:38] <Ian_> Either that or Magic :)
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[14:47] <fsphil> sleetyolo
[14:51] <amell> droll, very droll
[14:52] <aadamson> Not sure if this will be live today or not - http://www.roscosmos.ru/317/
[14:52] <aadamson> http://vk.com/spacelaunches
[14:54] <aadamson> this may be an alternate video link - http://tv-tsenki.com/index2.php
[15:03] <jededu> Weather is looking better SLEET is ready
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[15:11] <amell> dont forget the ISEE-3 TCM burn tonight. Probably live tweets
[15:11] <amell> SLEET or B-63 - there is a quandary
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[15:13] <jededu> Still quite cloudy but clearing it will be a while yet
[15:14] <amell> is there a contesia code for arduino?
[15:16] <mfa298> I'm not aware of anyone trying that
[15:17] <mfa298> although th dominoex guide should give some ideas of how to get the tones. iu then just need to find out the tones and spacings you need to use
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[16:18] <amell> wtf, red decodes on B-63 :(
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[16:19] <ProSpectre> afternoon gents
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[16:23] <aadamson> http://www.spaceflight101.com/soyuz-2-1b---meteor-m-2-launch-updates.html
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[16:25] <aadamson> also on isee3 - realtime telem - http://www.amsat-dl.org/
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[16:28] <jededu> I can barely hear B-63 but it still decodes how does it do that
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[16:58] <LeoBodnar> it's always nice to see a balloon crossing its own path
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[17:04] <arko> heh
[17:06] <bertrik> can't see B-63 on the waterfall, should be in range
[17:07] <Maxell> bertrik: B-63? Nice!
[17:07] <Maxell> I should be home really checking out how well current antenna setup works.
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[17:13] <amell> B-63 works good
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[17:17] <Maxell> Not here! :o
[17:17] jarski (5b99dbb9@gateway/web/freenode/ip.91.153.219.185) joined #highaltitude.
[17:18] <amell> Arecibo is locked onto ISEE3 - getting ready for TCM - http://www.amsat-dl.org
[17:18] <Maxell> bertrik: I wonder what is going on with the hab tracker + b-63
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[17:19] <amell> bertrik: contesia is often indistinguishable from noise :)
[17:20] <Maxell> amell: the pips are not and we are in the blue circle...
[17:21] <amell> pips seem a little narrower in frequency spread than the previous B.
[17:23] <amell> are you all watching iSEE3 twitter feed?
[17:23] <arko> YES WE ARE OK
[17:26] <arko> time to buy the movie rights to ISEE-3
[17:27] <amell> definately a movie in this.
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[17:32] <fsphil> there is a film crew with them, so at least a documentary coming
[17:32] <arko> :D
[17:32] <arko> nice
[17:32] <arko> i didn't know that
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[17:34] <amell> they seem to have got commanding down pat now
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[17:38] <fsphil> 10 minutes... woo
[17:38] <fsphil> they seem to be able to command it much more reliably now
[17:38] <arko> https://twitter.com/ISEE3Reboot
[17:38] <arko> oops
[17:38] <arko> i copy/pasted
[17:38] <amell> noticed they have different thrusters selected to what they said they were, so i have tweeted them
[17:38] <amell> F,K not F, N
[17:39] <amell> hope mistake in the tweet
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[17:48] <Ron_G8FJG> been away 8+ hours B63 not moved in frequency ...or position on the map it would sppear!!
[17:48] <Ron_G8FJG> appear
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[17:51] <LeoBodnar> it's in lightbulb mode
[17:51] <fsphil> ISEE-3 first burn completed
[17:52] <fsphil> seems to have survived and worked perfectly
[17:52] <jcoxon> awesome
[17:52] <arko> :D
[17:57] <amell> ah. they found the bug i reported :)
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[18:04] <Upu> if anyone is running an igate B-63 is transmitting APRS on 434.500 @ 10mW
[18:05] <amell> #ISEE3 TCM maneuver targeted to move 8-10-14 Periselene distance from ~30,000 km to 50 km to re-capture spacecraft in E-M system.
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[18:28] <Reb-SM0ULC> fsphil: wow
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[18:30] <fsphil> ooh problems
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[18:53] <YO9ICT> Hello guys, has anyone tried this : https://www.youtube.com/watch?v=zdFor-azNk8&feature=youtube_gdata_player
[18:54] <fsphil> hehe, I have the same table and chairs
[18:56] <fsphil> the trouble with that is, you're generating O along with your H2
[18:59] <YO9ICT> i have tried a couple of hours ago, but it seems i can only generate steam, not H2
[19:00] <YO9ICT> maybe someone here has tried this method succesfuly
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[19:11] <fsphil> low on fuel or valve not working. eek
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[19:18] <as14af> Good evening highaltitude, I have been reading into several blogs and your docs and made me determined to build a low-end weather balloon
[19:19] <as14af> Most of the parts I think I'll need are already in my posession, but I don't intend to make a radio communication circuitry for GPS trace transmitting
[19:20] <as14af> Is there any more mainstream way to do accomplish this? The balloon in question won't travel as far or high as most of the projects I've seen around.
[19:21] <mikestir> if you have a ham licence and you're in a country that allows airborne operation then you could use an off the shelf aprs tracker
[19:22] <mikestir> gsm isn't very reliable and doesn't work in the air
[19:22] <mikestir> other option would be something like spot messenger, but they have been known to fail as well
[19:24] <as14af> mikestir: I'm looking up the laws of my country
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[19:31] <Upu> which country ?
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[19:37] <Lunar_Lander> evening
[19:38] <aadamson> well, looks like the new sat launch was successful, ukube-1 and dx-1 heard from within the last hour
[19:38] <aadamson> I think that means funcube-2 at some point when the turn it on
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[19:44] <mikestir> b-63 seems to be doing an awful lot of loitering
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[19:48] <as14af> Upu: the Netherlands
[19:48] <Upu> not sure about that one
[19:48] <Upu> you're not in europe
[19:48] <Upu> however the ISM bands may apply to you
[19:49] <Upu> err
[19:49] <Upu> sorry
[19:49] <Upu> derp not Norway
[19:49] <Upu> you can use ISM band
[19:49] <Upu> 434Mhz
[19:50] <mikestir> netherlands can use aprs can't they?
[19:50] <Upu> yeah think so
[19:53] <as14af> mikestir: I'm not very familiar with ARPS, but from what I know is that it is a technology developed to transmit metadata over amateur frequencies
[19:54] <as14af> *APRS
[19:55] <as14af> http://www.trackuino.org/ but this looks useful
[19:55] <PE1RQM> as14af, announce your flight and we tune on your ISM frequency to receive your data
[19:55] <mikestir> as14af: sure, but if you're going to build an aprs tracker you might as well use a 434 MHz beacon
[19:55] <mikestir> if you want mainstream you can at least buy an aprs tracker off the shelf
[19:57] <mclane_> as14af: why dont you want to build a tracker yourself? That is really a very good learning experience - and balloon tracking and chasing is really fun!
[19:57] <as14af> I admire everyone's enthousiasm, but I have to do my calculations first. Qua budget and material I'm almost set, but I still have to think whether the conditions are good enough for such a balloon
[19:57] <mclane_> what kind of balloon?
[19:58] <PE1RQM> where in the Netherlands are you, as14af?
[19:58] <as14af> Several friends came up with the idea to take some self-made photographs of the atmosphere for a geography project they are working on
[19:58] Nick change: pd3t -> pd3t_pb1dft
[19:58] <as14af> PE1RQM: near Rotterdam
[19:59] <PE1RQM> I'm in the middle, so I can tune my receiver on your frequency if you let me know
[19:59] <as14af> mclane_: First I had plans to launch a RPi and make use of its camera module which hasn't been released too long ago, but an Arduino is also good for basic measurements. Not sure what to use so far
[20:00] <PE1RQM> Or just announce on UKHAS Google groups
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[20:01] <mclane_> start with Arduino
[20:02] <as14af> PE1RQM: In the middle?
[20:02] <PE1RQM> I live in Leusden. Name is Tjalling btw. :)
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[20:08] <as14af> as14af: At the moment I'm examining the possibilities of Arduino. The Atmel itself is incapable of handling video streams, but there could be some external shield perhaps that could transmit it
[20:09] <mikestir> as14af: The Atmel itself is incapable of handling video streams <-- you'd better tell fsphil
[20:10] <as14af> fsphil: ^
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[20:11] <sp2ipt> howdy
[20:12] <mikestir> you haven't got enough downlink bandwidth to send back video in real time, but you can send back images very slowly. An AVR is more than capable of handling this with the caveat that you need some external hardware to handle the raw image data. It has been done using a camera that output pre-compressed jpegs, for example
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[20:14] <mikestir> as14af: if your aim is just to take pictures then you might want to have a look at the chdk project, which is a replacement firmware for some canon cameras
[20:16] <Boelle_DK> Q... just formatted the macbook and setting it for listning.... i dont have a callsign... and do i really need one? or can i pick something that clearly says who i'm ?
[20:16] <fsphil> as14af: http://www.adafruit.com/product/397 -- pictures from this can be transmitted (slowly). the quality isn't great but it isn't terrible either
[20:17] <sp2ipt> Boelle_DK: you can pick any name
[20:17] <Boelle_DK> oki
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[20:17] <Boelle_DK> sure i will fire a few Q's here
[20:18] <Boelle_DK> QTH.. whats that? and locator?
[20:18] <mikestir> you don't need to fill those in
[20:18] <mikestir> only the lat/long on the dlclient page
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[20:19] <sp2ipt> Boelle_DK: QTH is just the place where you are, locator is a letter and number combination describibg the place you are (it can be very precise)
[20:19] <sp2ipt> Boelle_DK: take a look at http://qthlocator.free.fr click and play :)
[20:19] <Boelle_DK> hehe
[20:19] <Boelle_DK> thanks
[20:21] <sp2ipt> np
[20:23] <sp2ipt> WTF - I've just connected those damned nucleo boards again and ST-Link works. Guess I've just bought j-link for nothing :/
[20:23] <sp2ipt> at least sort of nothing :)
[20:24] <mikestir> naa jlink is better anyway
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[20:26] <sp2ipt> prolly so but I should rather spend money now on az-el antenna mount :)
[20:26] <Boelle_DK> sp2ipt: so jo55fh tells you where i'm within a box of a few sqare km or so?
[20:27] <sp2ipt> Boelle_DK: yes, when you work on microwaves you sometimes go into more detailes numbers
[20:28] <Boelle_DK> oki... i dont mind to be detailed... but well i guess this is enough for hab
[20:28] <Boelle_DK> i plan to enter gps cords anyway
[20:29] <sp2ipt> yes it's enough for low microwave bands even :)
[20:29] <jededu> SLEET is going up in the morning about 8:00 with an AA in it
[20:29] <Lunar_Lander> nice jededu
[20:30] <jededu> ping upu
[20:30] <Upu> hi jededu
[20:30] <jededu> Do I need to do a flight doc
[20:31] <jededu> for SLEET
[20:31] <fsphil> B-63 is teasing me
[20:31] <fsphil> it's a fraction of a degree below my horizon
[20:31] <Upu> yeah I suspect the existing one will expire at midnight
[20:32] <arko> fsphil: it
[20:32] <jededu> Ok
[20:32] <arko> it's reached the event horizon
[20:32] <Upu> foil or latex ?
[20:32] <jededu> Latex
[20:32] <fsphil> hah
[20:32] <arko> rather the inverse event horizon
[20:32] <arko> azimtote
[20:32] Nick change: pjm_ -> pjm
[20:33] <Boelle_DK> sp2ipt: my sdr dongle is still in the mail... how far can i actually configure things?
[20:33] <Upu> cool yeah will probably need a new doc
[20:33] <duckmann> Hi ! I'm looking for B-63' QRG to decode from brittany this night ... please
[20:33] <Upu> want me to do it ?
[20:33] <Upu> 434.500 duckmann
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[20:33] <duckmann> tnx
[20:33] <Upu> Contestia 64/1000 (stick RSID on)
[20:34] <Upu> also TXing APRS on 434.500
[20:34] <LeoBodnar> any theories as to what have happened to sp9uob?
[20:35] <LeoBodnar> looks quite healthy (voltage: 1.432 V, sat: 7, temp: -7.820 C, pressure: 34060 Pa, p. altitude: 8304 m)
[20:36] <jededu> Upu yes please
[20:36] <sp2ipt> Boelle_DK: don't think anything other than your location, altitude and name. Search for some 'virtual audio cable' to pass audio decoded from sdr app to dl-fldigi
[20:37] <sp2ipt> Boelle_DK: that'd be all
[20:37] <Boelle_DK> oki... running mac... but yes.. will see the guide also...
[20:37] <Boelle_DK> have done once...
[20:38] <Upu> shot down LeoBodnar
[20:38] <LeoBodnar> for using WIDE1-1 ?
[20:38] <fsphil> rsid match for b-63
[20:39] <LeoBodnar> it's rushing towards you
[20:39] <LeoBodnar> can you hear Doppler?
[20:39] <fsphil> it's rushing along side me
[20:39] <fsphil> it taunts me it does
[20:40] <arko> this is what happens when you get to lose to the fsphil asymptote.. you divide my zero
[20:40] <arko> too close*
[20:40] <arko> LOL i just saw SLEET
[20:41] <arko> will someone recover this poor thing
[20:41] <arko> i feel so bad for it
[20:41] <fsphil> it's being relaunched tomorrow morning :)
[20:41] <LeoBodnar> my zero is indivisible
[20:41] <arko> it's going door to door
[20:42] <LeoBodnar> it landed in a churchyard
[20:42] <LeoBodnar> from spaaaace
[20:42] <LeoBodnar> heavenly thing
[20:42] <mikestir> what happened to sleet? did it take off again and land around the corner, or was that when jededu was collecting it?
[20:42] <Upu> ok approved jededu
[20:42] <jededu> I have it its going up tomorrow
[20:42] <jededu> thx upu
[20:43] <arko> sleet is yours?
[20:43] <Upu> its mine
[20:43] <fsphil> it's the energiser bunny of habs
[20:43] <Upu> I've been trying to get rid of it
[20:43] <jededu> via upu
[20:43] <arko> oh thats you Upu?
[20:43] <arko> ahh!
[20:43] <Upu> dave launched it
[20:43] <fsphil> forget isee-3, sleet is the real story
[20:43] <arko> hahaha
[20:43] <Upu> it came down
[20:43] <arko> fsphil: hahahaha
[20:43] <Upu> jededu recovered and relaunched it a few hours later
[20:43] <Upu> it came down
[20:43] <arko> lol
[20:43] <Upu> jededu went back out and got it
[20:43] <Upu> it had a siesta
[20:43] <Upu> and its going back up tommorrow
[20:44] <arko> i love watching SLEET
[20:44] <fsphil> it had a little wander around town overnight
[20:44] <Upu> remember that glider we did ?
[20:44] <arko> oh yeah
[20:44] <Upu> there were meant to be 2 SLEET and SNOW
[20:44] <Upu> we never launched the second one as it was too windy
[20:44] <arko> ahh
[20:44] <Upu> code is buggy
[20:44] <Upu> it needs to be los
[20:44] <Upu> lost
[20:45] <LeoBodnar> good tracker does not get lost
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[20:45] <Boelle_DK> yaaaa... i'm on the map
[20:46] <Boelle_DK> ie on space near us
[20:46] <Boelle_DK> going off again... just had to brag about it
[20:46] <Upu> :)
[20:46] <Boelle_DK> dont know when dongle is here
[20:46] <Boelle_DK> during the week....
[20:46] <arko> upu lol
[20:46] <Boelle_DK> and have to fabricate me an omni
[20:47] <Boelle_DK> hmmm....
[20:47] <Boelle_DK> looking at flights... if i read corrected SP3 should burst over DK right?
[20:47] <Upu> just make a 1/4 wave
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[20:48] <SP9UOB-Tom> evening All
[20:49] <sp2ipt> SP9UOB-Tom: hi ;)
[20:49] <Upu> hey Tom
[20:49] <SP9UOB-Tom> Hi Upu, Kuba
[20:49] <Lunar_Lander> hello
[20:49] <PE1RQM> hi Tom
[20:50] <Boelle_DK> Upu.... yes.... i dont know how far away from building wifi covers.. but next month i plan to get me an phone that can make wifi spot so i can get a bit out in the clear
[20:51] <SP9UOB-Tom> Upu: thanks for the intervention :-) Unfortunetly this is propably the end od PICO-19
[20:52] <SP9UOB-Tom> *unfortunately
[20:52] <sp2ipt> Freddie once sang: who wants to live forever... ;)
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[20:53] <Upu> did it die ?
[20:53] <SP9UOB-Tom> LOL, battery heated by black scotch tape was doing well :-)
[20:53] <SP9UOB-Tom> Upu: yes, after sunset battery woltage was dropped rapidly: http://aprs.fi/telemetry/a/SP9UOB-12
[20:53] <SP9UOB-Tom> voltage
[20:53] <Upu> oh ok
[20:54] <Boelle_DK> Who send up B62? still amazing..... and more amazin we can track it that far
[20:54] <Upu> I've killed the importer
[20:54] <Upu> Boelle_DK -> LeoBodnar
[20:54] <LeoBodnar> hey Tom
[20:54] <Upu> Good effort though Tom
[20:54] <LeoBodnar> what happened to sp9uob?
[20:54] <SP9UOB-Tom> Upu: please leave it for one more day, maybe it will wake up after sunrise
[20:54] <Boelle_DK> LeoBodnar: might have said some less nice things in your direction.... but hats of to you with b62
[20:54] <SP9UOB-Tom> LeoBodnar: got cold - i suppose
[20:55] <Upu> your wish is my command
[20:55] <SP9UOB-Tom> Upu: ;-)
[20:55] <LeoBodnar> well say it Boelle_DK
[20:55] <LeoBodnar> SP9UOB-Tom: (voltage: 1.432 V, sat: 7, temp: -7.820 C, pressure: 34060 Pa, p. altitude: 8304 m)
[20:56] <SP9UOB-Tom> LeoBodnar: http://aprs.fi/telemetry/a/SP9UOB-12
[20:56] <LeoBodnar> sounds like sudden death
[20:56] <Boelle_DK> just a shame its 4 days ago since last contact...
[20:56] <Laurenceb> id didnt have solar?
[20:56] <SP9UOB-Tom> look at the graphs, last night it was only 1.18V
[20:57] <LeoBodnar> you must have reached 190 hours
[20:57] <LeoBodnar> but quicker
[20:57] <SP9UOB-Tom> LeoBodnar: voltage was rapidly drop after sunset
[20:57] <SP9UOB-Tom> LeoBodnar: from single AAA ?
[20:57] <Laurenceb> <- lolling at world cup
[20:58] <SP9UOB-Tom> LeoBodnar: im affraid thats impossible ;-)
[20:58] <mattbrejza> oh lol Laurenceb
[20:58] <mattbrejza> wasnt expecting that
[20:58] <Lunar_Lander> xD
[20:58] <Laurenceb> annihilated
[20:59] <LeoBodnar> world cup of tea?
[20:59] <SP9UOB-Tom> lol
[20:59] <SP9UOB-Tom> night all
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[20:59] <Laurenceb> its almost as bad as if germany played against england
[21:00] <gonzo__> b63 shifted LF about 1.5kHz
[21:00] <Laurenceb> tho that would probably be 50-0
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[21:03] <mattbrejza> goal 4 was bad
[21:04] <arko> lol
[21:04] <arko> poor brazil
[21:05] <mattbrejza> http://www.bbc.co.uk/sport/live/football/28151201 you can click on the little markers to see the goals, the fans' reactions are less than happy
[21:07] <mfa298> I turned it on, looked at the score, thought 5-0 wasn't too bad then realied this isn't a real sport like Rugby and that's a big difference
[21:07] <Lunar_Lander> xD "This is not the real game, this is Fifa pro for Playstation 5 being tested on live television. The guy playing with Brazil in this has fallen asleep on the controls."
[21:07] <arko> heck, even the us scored a goal against germany
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[21:14] <jededu> B-63 drifting or is it me
[21:14] <Boelle_DK> on top of listning.... does any of you have an APRS repater / igate ?
[21:14] <mikestir> yes but it's not very good - the antenna is in the loft
[21:15] <mikestir> jededu: temperature is too cold for the tcxo to keep up
[21:16] <Boelle_DK> i have seen very few guides on how to use a pi ...
[21:16] <Boelle_DK> had thought of something like it
[21:16] <Boelle_DK> and could find a better spot than here
[21:16] <Boelle_DK> have a few options....
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[21:17] <jededu> mikestir just noticed temp
[21:19] <arko> b-63 is experiencing radiation events
[21:19] <arko> :P
[21:21] <Upu> having issues decoding B-63 now
[21:21] <Upu> though APRS is still working
[21:22] <LeoBodnar> -51C oi!
[21:22] <LeoBodnar> peak of English summer
[21:22] <Upu> yeah think the output power has dropped or something
[21:22] <arko> http://earth.nullschool.net/#current/wind/isobaric/500hPa/orthographic=-1.01,52.29,1969
[21:22] <arko> wweee
[21:23] <arko> fast winds
[21:24] <LeoBodnar> can you hear pips still?
[21:25] <jededu> Good signal from B-63 just cant keep up with the drift
[21:25] <Upu> yeah its transmitting
[21:25] <Upu> just not decoding properly
[21:25] <Upu> drifting quite a bit
[21:25] <mattbrejza> germany++;
[21:25] <Lunar_Lander> yea
[21:25] <jededu> I get the first 20 chars
[21:25] <Upu> dropped 3khz its on 434.497 now
[21:28] <Upu> signal looks fine
[21:28] <Upu> just getting errors
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[21:34] <Lunar_Lander> german singing in the stadium
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[21:37] <arko> this is sad
[21:38] <arko> they need to call the game, i cant watch it anymore
[21:38] <arko> its like game of thrones
[21:38] <Lunar_Lander> yea
[21:39] <arko> the office is still crowded around the tv
[21:39] <Boelle_DK> Hmm.... looking at these guides on setting up a APRS repeater / igate... most use radio plus sound card... are there not other ways to do it... ie NTX modules and direct connect to pi?
[21:41] <mfa298> radio and soundcard is the most common way of doing it but you can get hardware TNC's to do it
[21:41] <mfa298> There's a TNC designed for the Pi
[21:41] <Boelle_DK> mfa298: do you know any? ok if not...
[21:42] <Boelle_DK> yep i saw one... but that only one i found so far was with DB9 to connect to radio :-/
[21:42] <mfa298> although with TNC's you tend to still need the radio (they need to get aprs data from somewhere)
[21:42] <mfa298> TNC's tend to be audio in, serial out (for receive)
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[21:42] <mikestir> you can use a cheap fm only receiver for the radio though
[21:43] <mfa298> the options that are software only (e.g. agwpe on windows) replace the hardware TNC with software and the soundcard.
[21:45] <Boelle_DK> oki... so an NTX at the right freq?
[21:45] <mfa298> the closest similar thing to a TNC you may have come accross is an old dialup modem. The Modem and TNC both do a very similar job. Just a different way of sending the data over an audio link
[21:45] <mfa298> NTX is a transmitter only and wrong frequency
[21:45] <Boelle_DK> upu has them at 144 mhz
[21:45] <mikestir> tx
[21:45] <mfa298> the NTX2s are all around 434 MHz,
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[21:45] <Upu> though to confuse matters I have a MTX1 here on 144.800Mhz
[21:46] <mfa298> there's the HX1 which is a 144.8 transmitter
[21:46] <Upu> I have HX1's
[21:46] <jededu> But do you have MTX2
[21:46] <mfa298> but if you want to receive aprs then a transmitter is the wrong thing to do that with
[21:46] <mikestir> just use a baofeng
[21:46] <mikestir> seems to work ok for upu
[21:47] Action: mfa298 has an Upu HX1 in a box in the other room waiting to do something interesting.
[21:48] Action: ibanezmatt13 still hasn't worked out how to get his working.
[21:48] <Boelle_DK> oki... i just thought there was something i could connect more direct to the pi and avoid 2-3 bits of hardware
[21:48] <mfa298> ibanezmatt13: if it's come out of the Upu box you've made more progress than me !
[21:49] <ibanezmatt13> lol, it has made it to a breadboard, but isn't actually functioning yet :P
[21:49] <mfa298> it *may* be possible to do it all in software with an rtl-sdr but I'm not aware of anyone trying and CPU may become a limiting factor (as it often is on the Pi)
[21:50] <Upu> in theory it should work
[21:50] <Lunar_Lander> Grand Final!
[21:50] <Upu> but I could never get it working
[21:50] <mikestir> you might get soundmodem/aprx to run on the pi with that wolfson audio card
[21:50] <Boelle_DK> bummer....
[21:50] <Boelle_DK> oh...
[21:50] <mikestir> although my experience of soundmodem is that it isn't very reliable
[21:51] <Upu> http://i.imgur.com/E3O3jMB.jpg
[21:51] <Upu> this works and is reliable
[21:51] <Boelle_DK> that card seemed compact
[21:51] <mfa298> other trick that might work would be rtl-sdr with rtlfm feeding audio into the pi-tnc
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[21:52] <Boelle_DK> upu...what is that? can see gps... tnc
[21:52] <Upu> its a hardware TNC for the Pi
[21:52] <Upu> with a GPS on it for NTP server
[21:53] <mikestir> is that one of yours upu?
[21:53] <Upu> yeah
[21:53] <Upu> well
[21:53] <Upu> its the Costal Chipworks one redone with SMD and with the GPS bits
[21:53] <mikestir> looks nice. surprised you can still get those cml fsk modem chips
[21:53] <Boelle_DK> any more details on it?
[21:53] <Boelle_DK> maybe it would help me....
[21:53] <Upu> well the reason its through hole
[21:53] <Upu> is because someone has 1000 of them :)
[21:54] <Upu> you should be able to plug in any old radio output in the jack
[21:54] <Upu> and work as an igate
[21:54] <Upu> I have one here working with a Baofeng currently RXing Leo's payload
[21:54] <Upu> well I was recieving
[21:54] <Upu> http://aprs.fi/#!mt=roadmap&z=11&call=a%2FM0XER-3&timerange=21600&tail=21600
[21:55] <Upu> but still beta and testing
[21:55] <mikestir> my igate hasn't heard it at all. the antenna is a discone on a fair bit of RG58 so it's probably useless at 70cm
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[21:56] <Upu> well in fairness its plugged into the 19 element yagi atm :)
[21:56] <aadamson> as an fyi, I use soundmodem (it actually works great) *or* agwpe (also works great) either being fed with a FCP+ and sdrsharp
[21:57] <aadamson> and for the igate, I use agwuidigi - works with either soundmodem or agwpe
[21:57] <jededu> upu any news on mtx2
[21:57] <Boelle_DK> hmmm.... so i just need an radio....
[21:57] <Upu> 6 week lead time jededu
[21:57] <jededu> thx
[21:57] <Upu> ordered them
[21:57] <jededu> I can wait :)
[21:59] <Boelle_DK> would an baofeng bf-888s make do?
[22:01] <Boelle_DK> Upu... this board is that up for sale?
[22:02] <Boelle_DK> and do you have a small guide on how to setup software etc?
[22:02] <Boelle_DK> the baofeng bf-888s if its ok does not take up much space
[22:02] <Boelle_DK> should be able to box it all up small enough to hide anywhere
[22:03] <mikestir> you still need an antenna remember
[22:03] <Boelle_DK> of course :-D
[22:04] <Upu> not yet Boelle_DK
[22:04] <mfa298> most handheld radios and scanners that cover 144MHz should work but only with a decent antenna
[22:04] <Boelle_DK> going to build both yagi's and omni's for the boat project... and yes i know the one for APRS has to be tuned for 144
[22:05] <Boelle_DK> yep.. the small rubber duck is not enough.... but antenna can be on a long cable :-D
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[22:17] <DL7AD_mobile> Morning
[22:17] <Lunar_Lander> hello
[22:17] <Reb-SM0ULC>
[22:17] <DL7AD_mobile> Did germany win? ^^
[22:17] <Lunar_Lander> yes
[22:19] <daveake> Apparently someone bet on that scoreline and wins €16,000
[22:20] <Lunar_Lander> wow
[22:21] <Lunar_Lander> in the break they brought on the news
[22:21] <Lunar_Lander> said that there is war in Israel
[22:22] <DL7AD_mobile> Hm. Saw this.
[22:22] <cm13g09> so, I heard about the football.... and from what I'm hearing Germany's first goal was in fact......a Müller corner.
[22:22] Action: mfa298 wonders if that person would share some of those winnings with me seeing as I had Brazil for the work sweepstakes
[22:23] <cm13g09> evening mfa298
[22:24] <Boelle_DK> well out... hanging over the edge of chair....
[22:24] <mfa298> evening cm13g09
[22:25] <Boelle_DK> upu... let me know if board becomes for sale... if you have boards left over and the parts i can do assemble by hand :-D
[22:25] <Boelle_DK> but need to source an radio also so no rush
[22:28] <Steve_G0TDJ> 'Evening Guys
[22:28] <Steve_G0TDJ> Can anyone give me a dial freq. for B-63 please?
[22:29] <arko> 434.LEO
[22:29] <DL7AD_mobile> 434.5
[22:29] <Steve_G0TDJ> LOL
[22:29] <Steve_G0TDJ> Is it that consistient (why am I bothering asking)
[22:32] <jededu> B-63 drifting badly at the moment
[22:32] <Boelle_DK> before i go: BAOFENG Dual band radio UV-5RE+ Plus VHF/UHF 136-174 / 400-520 FM 65-108MHZ
[22:32] <Boelle_DK> seems like it can do both APRS and used for listning/decode of hab's ?
[22:35] <amell> wheres B63? I lost it 1h47m ago
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[22:36] <Maxell> arko: 434.536 mhz?
[22:36] <amell> something happened to it?
[22:36] <amell> not many receivers
[22:36] <Maxell> Boelle_DK: no
[22:36] <LeoBodnar> it went down in freq
[22:36] <arko> Maxell: i have no clue dude, im in Los Angeles :)
[22:36] <LeoBodnar> due to -54C
[22:36] <LeoBodnar> about 3kHz down
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[22:36] <Maxell> Boelle_DK: you are not able to hear habs with FM receivers
[22:36] <Maxell> arko: < arko> 434.LEO ;-)
[22:37] <Maxell> LEO = 536
[22:37] <Boelle_DK> Maxell: VHF/UHF 136-174
[22:37] <Maxell> Boelle_DK: please stop
[22:37] <Maxell> Boelle_DK: HABs use USB modulation
[22:37] <Maxell> Baofeng only recieves FM signals.
[22:37] <Boelle_DK> doooh
[22:38] <Boelle_DK> yes.... side band...
[22:38] <Boelle_DK> fuck me
[22:38] <Maxell> https://en.wikipedia.org/wiki/Single-sideband_modulation vs https://en.wikipedia.org/wiki/Frequency_modulation
[22:38] <Maxell> You will have to go FT-817 or SDR
[22:39] <Maxell> Boelle_DK: mixing up modulation stuff is a serious no-go
[22:39] <amell> I think i found b63 pips.
[22:40] <Boelle_DK> or search for stuff when all braincells are in gear
[22:40] <Maxell> Boelle_DK: yes time to do that nap
[22:40] <Steve_G0TDJ> amell - What frequency please?
[22:40] <Maxell> aka "time to go" ;)
[22:40] <Boelle_DK> clearly.... a good long one
[22:40] <amell> about -4kHz down
[22:40] <Boelle_DK> a 12+ hour one if i can get away with it
[22:40] <amell> not convinced yet, wait for a tx
[22:41] <gonzo__> the US guys use FM and AX25, but FM is not a very efficient way of sending telemetry. They can do it because they fly high power transmitters
[22:41] <Maxell> Is B-63 really weak or something?
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[22:42] <amell> at the moment, seems to be.
[22:42] <gonzo__> in the UK and some of europe, we are limited to small/low power transmitters, so we have to use more efficient modes. And ssb is more efficient
[22:42] <Maxell> gonzo__: makes me wonder why APRS is still FM
[22:42] <amell> poor thing is fucking freezing
[22:42] <Maxell> is the ease of tuning?
[22:42] <gonzo__> fm is cheap
[22:42] <mfa298> ease of tuning and cheap tx/rx
[22:42] <Maxell> Or even the large amount of devices being able to to fm
[22:42] <Maxell> yeh ok
[22:42] <Maxell> clear
[22:43] <Steve_G0TDJ> amell - Got it 434.496.60 for 1500 center
[22:43] <mfa298> sooo many hams don't realise there's a life outside fm on vhf/uhf
[22:43] <amell> i see contesia now, but wasnt in the right place
[22:43] <Steve_G0TDJ> Only got partials
[22:44] <gonzo__> Maxell. the SARSATs used to use FM for the downlinks. They take a chunk of spectrum and modulate it down on afm fm carrier. to take out the doppler
[22:44] <arko> Maxell: LeoBodnar: http://i.imgur.com/3kKCg78.jpg
[22:44] <Steve_G0TDJ> amell: slight correction 434.496.66 for 1500 center
[22:44] <amell> the cold is weakening the tx as well as shifting freq?
[22:44] <Maxell> mfa298: have to get my vertical on the roof just for this
[22:44] <arko> im ready just in case
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[22:44] <gonzo__> sarsat-search and rescue satellites
[22:44] <Maxell> arko: NICE!
[22:45] <amell> Steve: can you let me know as soon as you see contesia? i cant see the pips in the noise
[22:45] <Steve_G0TDJ> Roger
[22:45] <Maxell> too bad LeoBodnar didn't choose 434.536 tho
[22:46] <Maxell> gonzo__: yeah doppler on fm is quite easy just retune a bit as soon as it gets noisy
[22:46] <Steve_G0TDJ> amell: B-63 Tx now
[22:47] <amell> roger
[22:47] <Steve_G0TDJ> Not strong enough here
[22:47] <gonzo__> an fm rx is pretty much self tracking, so for sarsats you take the demodulated baseband from the FM and put it through a further ssb RX
[22:48] <amell> i see something, but its faint
[22:48] <Steve_G0TDJ> Yeah, it's pretty much in the noise here. I only knew it was TXing from the data display
[22:49] <gonzo__> Maxell, so you could take the wide band FM rx, connect the audio out to an sdr program and then tune about for ssb in the audio signal. And hear the ssb that the satellite is receiving
[22:49] <gonzo__> andthe dopler of the sat downlink goes away
[22:50] <amell> i have interference at 434.400
[22:50] <Steve_G0TDJ> amell: B-63 Tx now
[22:50] <gonzo__> the dopler in the uplink, from the emergency beacon used to be important to direction find the beacon. In the days befoire gps
[22:50] <amell> i mean.LEO
[22:51] <amell> I think i see it. Theres a disturbance in the force, but long way off decoding
[22:52] <Steve_G0TDJ> I got a few characters on the last Tx
[22:52] <amell> you clearly have a bigger stick than me
[22:52] <mikestir> I think argos still uses the doppler method for location of simple beacons with no gps (like long term tracking of animals)
[22:52] <Steve_G0TDJ> I'll be calling it a day when I finish my tea ;-)
[22:54] <Steve_G0TDJ> amell: B-63 Tx now
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[22:55] <Steve_G0TDJ> end
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[23:00] <Steve_G0TDJ> amell: Not getting a lot now. I hope you have better luck. I'm off for tonight. Goodnight people :-)
[23:01] Nick change: Steve_G0TDJ -> Steve_G0TDJ_AFK
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[23:20] <Lunar_Lander> good night
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[00:00] --- Wed Jul 9 2014