highaltitude.log.20140405

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[00:17] <g0pai_ian> For what it's worth - http://pastie.org/8995309
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[01:25] <g0pai_ian> 01:16 error - NTX2EN.print should read NTX2EN.write
[01:29] <g0pai_ian> Further investigation suggests that the syntax should be NTX2EN.print and not write
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[05:56] <tweetBot> @jonsowman: Two launches today from @SUSpaceflight and @cuspaceflight, including live imagery #ukhas #cusf http://t.co/fVFRg09HJC http://t.co/GlGqCco2FD
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[06:38] <ibanezmatt13> Has Mulder been recovered?
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[06:59] <ibanezmatt13> on the Pi, I've done a git clone to get ssdv from fsphil's github, I've changed directory to it, but can any one remember the command to do next to actually install it? There's a makefile in the directory
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[07:02] <ibanezmatt13> could be sudo make, but I'm not sure, or ./build or something
[07:02] <bertrik> sudo make install perhaps?
[07:02] <ibanezmatt13> that rings a bell
[07:02] <ibanezmatt13> I'll try it
[07:02] <ibanezmatt13> awesome, that's the one! Thanks :)
[07:02] <bertrik> you have to do make first as a regular user I think
[07:03] <daveake> make will make it make install will install it
[07:03] <ibanezmatt13> yeah I remembered there being something like that with it, cheers
[07:03] <ibanezmatt13> mulder recovered daveake?
[07:03] <daveake> It stopped txing at 5km or thereabouts
[07:03] <ibanezmatt13> damn, that's not great
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[07:06] <ibanezmatt13> Mulder was the first THOR tracker I ever tracker last night. And it was so damn amazing (as I could get it with loads of noise and a rubbish set up) that I'm gonna task myself with learning it for NORB4. Domino first, then THOR i hope.
[07:06] <ibanezmatt13> tracked*
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[07:07] <mikestir> ibanezmatt13: as a general rule on any linux you should never be "make"ing stuff as root (so don't use sudo). The exception is when you do "make install", because that needs to copy files to system directories.
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[07:07] <jarod> lol i keep forgetting the balloon map site, please? :)
[07:08] <mikestir> spacenear.us
[07:08] <ibanezmatt13> ah I see mikestir
[07:08] <jarod> thanks
[07:08] <ibanezmatt13> so it can do all that ok without sudo?
[07:08] <mikestir> as long as you didn't do the git clone as root
[07:08] <mikestir> if you did then all the files will be owned by root
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[07:08] <ibanezmatt13> ah I did.
[07:09] <ibanezmatt13> For next time I'll just use git on its own
[07:09] <mikestir> in general you should hardly ever do anything with sudo
[07:09] <ibanezmatt13> I've been using it for everything as a habit. I'll stop now :P
[07:10] <mikestir> sudo is the same as "run as administrator" on windows
[07:10] <ibanezmatt13> yeah, makes sense
[07:13] <mikestir> so are you tracking up the hill today?
[07:13] <ibanezmatt13> well
[07:14] <ibanezmatt13> I was going to do but its the sorta hill that people would stare at you for just staying up there looking at the views for 5 minutes
[07:14] <ibanezmatt13> So bringing a load of radio equipment, I'm not sure :)
[07:15] <ibanezmatt13> And laptop only gives me a little time on battery :(
[07:15] <mikestir> go up winter hill instead
[07:15] <jarod> anything active on 434.500 ?
[07:15] <ibanezmatt13> yeah that'd be nice, unfortunately I can't get up there that easily yet (can't drive)
[07:15] <ibanezmatt13> I seem to do ok from my window though, good enough for greens
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[07:34] <jarod> uhm
[07:35] <jarod> mega signal op 434.500
[07:35] <jarod> is it a balloon?
[07:35] <jarod> really weird
[07:38] <jarod> http://x264.nl/dump/52-2205/434.500khz-2014-04-05-0736utc.jpg any clue?
[07:39] <jarod> really strong
[07:39] <jarod> off air now
[07:39] <jarod> and on...
[07:42] <jarod> why in the balloon browser isn't there a frequency collom?
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[08:10] <tweetBot> @thecraag: Fixing up the payload batteries at Churchill #ukhas http://t.co/bFYnB73afB
[08:11] <gonzo___> jarod, you would need to look at that plot with much smaller bandwidth to be able to make ant id of the signal
[08:11] <gonzo___> but suns does not show anything flying
[08:12] <jarod> roger
[08:12] <gonzo___> not to say that it's not someone outside of our little collective
[08:13] <gonzo___> but it sounds like there will be something for you to liste for soon
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[08:16] <craag> Morning
[08:17] <gonzo___> porning phil
[08:17] <gonzo___> you at cambs?
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[08:19] <craag> Yes
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[08:21] <craag> Launch sometime before 11, followed by second launch ~30 mins later
[08:21] <craag> Live stream will be on once we start filling
[08:21] <number10> what one is the school launch craag , CEDARS?
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[08:22] <craag> Yes, CEDARS will be first
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[08:27] <ibanezmatt13> Does anybody have any suggestions for why the NTX2 sounds like this? http://1drv.ms/1dWEZRf
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[08:27] <ibanezmatt13> So even when I go to the next room and the signal is weak, it sounds very distorted and I can't pick the lines out on dl
[08:28] <eroomde> radio def in ssb?
[08:29] <eroomde> oh yeah it says so
[08:29] <ibanezmatt13> Worked perfectly tracking NORB 2 the other weekend and last night tracking some flights
[08:29] <eroomde> shift too big?
[08:29] <ibanezmatt13> not sure what you mean
[08:29] <eroomde> i meant is the receiver set upto receive ssb
[08:29] <eroomde> rather than, say, fm
[08:29] <ibanezmatt13> possibly but this should all be set up fine. It's set in USB mode
[08:29] <eroomde> but it is
[08:29] <eroomde> yeah
[08:30] <ibanezmatt13> yup, USB set. It was fine when it wasn't txing, the tone that's always there sounded fine, but when it started to tx it all sounded very distorted
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[08:31] <eroomde> good voltage supply to the ntx2?
[08:32] <ibanezmatt13> Should be, I'm powering off 6 new energizer ultimate AAs, doesn't work properly with mains adapter
[08:32] <ibanezmatt13> Pi and GPS working fine
[08:33] <ibanezmatt13> I'm wondering whether it's my code operating the UART, I'll give it a look over again
[08:33] <eroomde> what are you using the uart for?
[08:34] <ibanezmatt13> I've always done it this way with the Pi
[08:34] <ibanezmatt13> Though I could do PWM easily enough
[08:35] <ibanezmatt13> So I get my GPS data with the UART at 9600, close it, re-open it at 300 for radio transmission, etc. Worked fine for me last time and for several others. I might try PWM to see if it sorts it
[08:37] <eroomde> HOOOOOOOOOOOORRRRRRRRRRRRIIIIIIIIIIIIIIIIBBBBBBBBBBBBBBLLLLLLLLLLLLLLLLEEEEEEEEEEEEEEE
[08:37] <ibanezmatt13> that's reminded me, I steered clear of pwm on the Pi for timing issues
[08:37] <ibanezmatt13> :)
[08:37] <fsphil> could be really high baud rate
[08:37] <eroomde> keep you uart dedicated to the gps
[08:38] <mikestir> ibanezmatt13: looking at it in audacity it looks like the low tone is off the bottom
[08:38] <eroomde> run the ntx2 with pwm as you say, or just a single i/o pin for rtty
[08:38] <mikestir> is your shift too wide for the receiver?
[08:38] <ibanezmatt13> Im not sure mikestir since I shifted the freq and the tone on the right moved up but the other didn't
[08:38] <ibanezmatt13> ok eroomde
[08:39] <tweetBot> @SUSpaceflight: Polly the polystyrene penguin ready for a near space adventure #ukhas @Hobbycraft @OsbornePolly http://t.co/KKrQaxD13b
[08:39] <ibanezmatt13> fsphil: it's strange, its set to 300 baud
[08:40] <fsphil> do you have another receiver?
[08:40] <ibanezmatt13> no, fraid not
[08:41] <ibanezmatt13> Though I've just fired up the NORB board, receiver gets that perfectly
[08:41] <fsphil> check you're not toggling the ntx2's EN pin, rather than the data one
[08:42] <mikestir> if you tune the rx down by 500 Hz do you only see the one tone move?
[08:42] <ibanezmatt13> it's all good, the ntx2 txd pin is soldered to the tx on the uart
[08:42] <ibanezmatt13> I think so mikestir though I'll try it again
[08:43] <tweetBot> @thecraag: Nothing like payload construction at the launch site... #ukhas http://t.co/WYy5FOofaY
[08:45] <fsphil> that pic brings back memories
[08:45] <mfa298> ibanezmatt13: if it's a new raspbian image have you gone through and disabled the kernel messages and getty that normally run on the uart.
[08:46] <ibanezmatt13> yeah done all that no probs. GPS is working fine also
[08:46] <ibanezmatt13> mikestir: that thing on the left doesn't budge
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[08:47] <eroomde> can you cfheck the bud rate with a scope/salae?
[08:47] <mikestir> certainly sounds like it's only transmitting pulses on one frequency, so what fsphil said
[08:47] <eroomde> sorry about my typing
[08:47] <ibanezmatt13> I can eroomde
[08:47] <ibanezmatt13> So I'll probe the NTX2 tx pin, and ground?
[08:48] <eroomde> yep
[08:49] <ibanezmatt13> on it
[08:50] <ibanezmatt13> ok cool, I see signal
[08:50] <ibanezmatt13> on the scope, not sure how to find baud rate, I could fire up the salae which is probably better in this instance
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[08:53] <mfa298> scope will show you the voltage level going into the ntx2b so you can check that it's suitable to get the shift you want.
[08:54] <mfa298> you probably want around 0.2V difference from what I remember.
[08:54] <ibanezmatt13> ok, I'll check that
[08:54] <mfa298> it might also let you see if there's any other noise on the line
[08:55] <eroomde> on the scope, capture a chunk of it an calculate baud rate from the period length
[08:55] <eroomde> as you know the horizontal scale
[08:55] <eroomde> mfa298's point about it also measuring shift is exactly right
[08:56] <craag> Upu: When are you planning to launch?
[08:56] <mfa298> saleae on the tx pin of the pi would let you decode the data stream but might not show other issues
[08:56] <ibanezmatt13> ah yea, ok
[08:57] <mfa298> It might also be worth putting the scope on the en pin and possibly vcc to check they're on and stable
[08:58] <fsphil> always worth donig that
[08:58] <fsphil> doing too
[09:01] <mikestir> blimey http://goo.gl/E0AqHG
[09:04] <ibanezmatt13> eroomde: http://1drv.ms/1dWLu6E
[09:04] <ibanezmatt13> So that's 0.5v per division
[09:05] <fsphil> nice scope
[09:05] <ibanezmatt13> thanks :)
[09:05] <ibanezmatt13> So it looks just less than 0.5v shift?
[09:05] <fsphil> 0.3v from the looks of it
[09:06] <ibanezmatt13> so that's fine right?
[09:06] <ibanezmatt13> just trying to work out the baud rate, not sure I know what I'm doing :P
[09:07] <fsphil> should give you 600hz shift
[09:07] <fsphil> ish
[09:07] <ibanezmatt13> hmm, so not small but should be fine on waterfall
[09:07] <fsphil> it should fit
[09:08] <fsphil> have you checked the en and vcc pin?
[09:08] <ibanezmatt13> doing it now
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[09:09] <ibanezmatt13> hmm
[09:10] <mfa298> for baud rate you'll want to capture a few pulses so you can identify start/stop bits, then measure the time between them and divide by the number of bits should be in that time scale.
[09:10] <ibanezmatt13> EN/VCC pins should have a constant line on scope
[09:10] <mikestir> yes
[09:10] <ibanezmatt13> The square waves make it look like a signal, 1 and 0s
[09:11] <ibanezmatt13> so if the power pin is pulsing, then that would explain it
[09:11] <fsphil> yea
[09:11] <fsphil> you may have a short somewhere
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[09:12] <ibanezmatt13> ok, here's the situation
[09:12] <ibanezmatt13> VCC pin is fine, normal line
[09:12] <ibanezmatt13> one next to it is looking like a signal
[09:12] <ibanezmatt13> Just like the txd pin at other end why has less amplitude as expected
[09:13] <ibanezmatt13> So the EN pin must be connected somehow to the uart, surely
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[09:13] <mikestir> is it connected to anything?
[09:14] <ibanezmatt13> I'm just powering off now, gonna do some continuity
[09:15] <daveake> ibanezmatt13, if this is the Pi Sky board, suggest you read the notes :)
[09:15] <ibanezmatt13> it is, I've read them, I'm using my own code and I've soldered the jumper :)
[09:15] <ibanezmatt13> I'll read them again though
[09:15] <daveake> Specifically the stuff about the NTX2B enable line
[09:16] <ibanezmatt13> oh
[09:16] <ibanezmatt13> NTX EN is BCM GPIO17
[09:16] <ibanezmatt13> 1 sec
[09:17] <ibanezmatt13> wait a minute, why is the EN for NTX2 connected to the UART
[09:18] <daveake> programming
[09:18] <eroomde> :)
[09:18] <daveake> read_the_notes
[09:18] <fsphil> that poor uart
[09:18] <fsphil> it's overworked
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[09:19] <ibanezmatt13> Ok so, I have to enable it using wiringPi from shell, that's my problem? I thought I could get this to work without wiring Pi. So expected to turn the EN pin high but now I realise it's on the UART and I'm confused :)
[09:19] <ibanezmatt13> (having thoroughly read notes)
[09:20] <daveake> Installing wiringpi was *_in_the_installation_notes_
[09:20] <ibanezmatt13> yeah I've got wiring pi, followed it to the letter
[09:20] <daveake> You can use whatever you like to set that pin, but you have to set it a) as o/p b) high
[09:21] <ibanezmatt13> ah
[09:21] <daveake> doing so enables the ntx2, funnily enough
[09:21] <daveake> and decouples the enable pin from the uart
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[09:22] <ibanezmatt13> well, the main thing is, I got to do a lot of troubleshooting with scopes and logic analyzers which, lets be honest, it always super fun :P
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[09:23] <ibanezmatt13> damn, of course. I apologise for the sheer incompetence presented this past half hour
[09:23] <fsphil> always fun getting the scope out
[09:23] <ibanezmatt13> oh yea :)
[09:23] <ibanezmatt13> best thing I ever got
[09:25] <mfa298> a scope is still something I need to invest in - although space to put it would help first
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[09:27] <fsphil> space is my biggest issue atm
[09:27] <mikestir> I could do with a dso. I have a big old analogue crt one. I've tended just to borrow a dso from work if I've needed one
[09:28] <mfa298> the other problem is deciding which dso to get - do you spend that little bit more to get something that little bit better (which is always a never ending cycle)
[09:29] <fsphil> oh that's easy. find the cheapest you like, then go the next model up :)
[09:30] <ibanezmatt13> working perfectly now
[09:30] <mikestir> I want that Tek mixed signal thing
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[09:32] Chris_M6CSV (5208e3f4@gateway/web/freenode/ip.82.8.227.244) joined #highaltitude.
[09:33] Herman-PB0AHX (53543ecf@gateway/web/freenode/ip.83.84.62.207) joined #highaltitude.
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[09:33] <andy_vk3yt> hi, could someone please clear data for VK3YT-11? the timestamp went from local to UTC and it appears to be stuck at the later local timestamp
[09:35] <Herman-PB0AHX> GM to all
[09:35] passingby (b91ab624@gateway/web/freenode/ip.185.26.182.36) joined #highaltitude.
[09:35] <ibanezmatt13> lookin' good eh fsphil: http://pbrd.co/1gYN0Ez :)
[09:36] <ibanezmatt13> So I don't have a Pi Cam yet, so I thought I'd google 320x240 jpegs and that's what I settled for
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[09:37] <Darkside> on spacenear.us?
[09:38] <Darkside> andy_vk3yt: i'v just cleard all VK3YT data off
[09:38] <andy_vk3yt> thanks Darkside
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[09:40] <ibanezmatt13> fsphil: checksum not looking good, checksums like *0X5815 at end. Remember the other day we were talking about this
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[09:42] <fsphil> what's the code that prints the checksum look like?
[09:42] <ibanezmatt13> http://pastebin.com/ijGaCyZ2
[09:42] <ibanezmatt13> of course the indents are fine, just the pasting did that
[09:43] <ibanezmatt13> so on the .upper, there was a [2:0] on the end previously, then we were talking and decided to get rid of it
[09:43] <fsphil> ah
[09:43] <fsphil> I thought that was stripping the $$'s from the telemetry line
[09:43] <fsphil> but it doesn't have that yet
[09:44] <ibanezmatt13> yeah so we got rid of it because it didn't have any $$ on the front, I think
[09:44] <fsphil> yea. it'll need to go back
[09:44] <craag> http://batc.tv/ch_live.php?ch=5&id=1287
[09:44] <craag> arggh
[09:45] <craag> http://batc.tv/streams/m0dny
[09:45] <fsphil> I don't think you need that str() around the result from hex()
[09:45] <fsphil> hex should return a string already
[09:45] <ibanezmatt13> ah ok
[09:45] <craag> Comments on video stream (jerky etc) please
[09:45] <ibanezmatt13> sure craag
[09:45] <ibanezmatt13> looks perfect to me
[09:46] <ibanezmatt13> thanks fsphil
[09:47] <craag> ibanezmatt13: Thanks :)
[09:47] <ibanezmatt13> np, in fact that's an awesome live stream. 3G?
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[09:48] <craag> Yeah, 3g router on the car about 50m away
[09:48] <ibanezmatt13> awesome
[09:48] <craag> Will try taking the camera closer
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[09:52] <ibanezmatt13> looks windy
[09:52] <fsphil> hehe, I thought for a moment their people where going to walk in front of the camera with banners
[09:52] <fsphil> like an early silent movie
[09:52] <tweetBot> @SUSpaceflight: Quick trip back to the lab to pick up the spanner for the He tank #ukhas
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[09:54] <G8UVS> Phill where are you launching from? Andy
[09:54] Upu_M0UPU (Upu_M0UPU@ptr-98.244.219.82.rev.exa.net.uk) joined #highaltitude.
[09:54] <Upu_M0UPU> morning
[09:54] <Upu_M0UPU> my stream is up
[09:54] <fsphil> morn
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[09:57] <Upu_M0UPU> sorry pressed power button on the etbook
[09:57] Nick change: crash_18974_ -> crash_18974
[09:57] <Upu_M0UPU> stream should be up
[09:59] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[09:59] <G8UVS> stream is up... but map is not! Andy
[09:59] <Upu_M0UPU> map ?
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[10:00] <G8UVS> Tracker map ! you want to be tracked I assume!!
[10:00] <Upu_M0UPU> oh trackers are off
[10:00] <Upu_M0UPU> can I ask if you're not in the air today and you want to test do it in offline mode pls
[10:01] <G8UVS> I donr have a ballon! - I track HI
[10:02] <Upu_M0UPU> we'll start trackers shortly
[10:04] <G8UVS> Good to see the payload lads thanks!
[10:08] whiteg6 (519f4064@gateway/web/freenode/ip.81.159.64.100) joined #highaltitude.
[10:09] <tweetBot> @SUSpaceflight: Duck Aldrin ready for his edge of space mission today :) @AstroPhysSoton #spaceteddy #ukhas http://t.co/3bFSnA3ai9
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[10:11] Nick change: crash_18974_ -> crash_18974
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[10:20] <Neil_M0CJM> Morning all
[10:20] <Upu_M0PU> morning
[10:21] <Upu_M0PU> stram should be back up
[10:21] <Upu_M0PU> stream
[10:21] Nick change: mikestir -> mikestir_2E0MXS
[10:21] Nick change: number10 -> number10_M0MDB
[10:21] <Neil_M0CJM> How is it going? Launches all set or is the WX hampering plans?
[10:21] <Geoff-G8DHE> Is Dave & SPB flying as well today ?
[10:22] <tweetBot> @AnthonyStirk: Stream brought to you by a precariously balanced netbook #ukhas http://t.co/HpPhxR3751
[10:23] <craag> We're filling
[10:23] <Geoff-G8DHE> Is that CEDARS filling ?
[10:23] <number10_M0MDB> yes
[10:23] <craag> Watch on the stream http://batc.tv/streams/m0dny
[10:24] PE2G (~Miranda@a83-161-208-176.adsl.xs4all.nl) joined #highaltitude.
[10:25] <G8UVS> Mightbe usefull to have a frequency to track on please!
[10:25] <ulfr> heh
[10:25] <ulfr> The battle of the balloon. It's always fun to keep control of it, especially in windy conditions.
[10:25] <craag> CEDARS 434.450 50baud
[10:26] <Upu_M0PU> http://batc.tv/streams/m0upu for us
[10:28] <fsphil> need more screens
[10:28] <craag> Nah, close his, just watch our fun ;)
[10:28] <Geoff-G8DHE> tell me!
[10:28] <f5vnf> just what i was thinking
[10:29] <Geoff-G8DHE> If the SPB is flying today as well I'll need 7 channels!
[10:29] <mfa298> G8UVS: all the frequencies *should* be on the info box on spacenear.us - although it looks like the susf frequencies aren't there currently - they should be on the mailing list though.
[10:29] <Geoff-G8DHE> Oh blimey 5 payloads on LOHAN!
[10:30] <Herman-PB0AHX> Upu_M0PU: on wat freq u tx ??
[10:30] <G8UVS> Mailing list is one thing Ive not got round to sorting out but many thanks Andy
[10:30] <G8UVS> 434.450Mhz
[10:31] <mfa298> with the way people keep sending more and more trackers I'm going to need another fcd or 3
[10:31] <Herman-PB0AHX> ok tnx
[10:32] <Geoff-G8DHE> CEDARS-2 SUS-3 LOHAN -5 10 channels!
[10:33] <Herman-PB0AHX> by cedars a lot of windy i see
[10:34] dg9bfc_sigi (4fc38f5c@gateway/web/freenode/ip.79.195.143.92) joined #highaltitude.
[10:34] <mfa298> Geoff-G8DHE: and no doubt they're over several different 192khz blocks of spectrum.
[10:35] <dg9bfc_sigi> gooood morning
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[10:35] <db_g6gzh_> Dave nearly got flattened by a gas bottle then!
[10:35] <Geoff-G8DHE> So long as they are within 2MHz don't mind on a dongle ;-)
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[10:37] <Herman-PB0AHX> a lot of bottles on a small sail
[10:43] <Geoff-G8DHE> Somethink has been forgotten!
[10:43] <G8UVS> turn the tx on?
[10:44] <Geoff-G8DHE> Nah, Telemetry is coming in!
[10:44] <fsphil> is the batc stream choppy or is it my internet?
[10:44] <Geoff-G8DHE> Ur internet
[10:45] <G8UVS> not high quality, but not choppy
[10:46] <fsphil> ah, mplayer had the wrong frame rate
[10:46] <fsphil> no, still pausing
[10:46] <Geoff-G8DHE> Another burst balloon if they hang about much longer :-(
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[10:49] <G8UVS> surprised its not gone bang yet
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[10:51] <amell> a bit windy perhaps
[10:51] <amell> btw are we missing a backup tracker in snus?
[10:51] <craag> Change of plan at cambridge
[10:51] <Geoff-G8DHE> Haven't seen any sign of JOEY
[10:52] <amell> oh ok
[10:52] <amell> let us know new plan when you can
[10:52] <craag> POP, POPEYE anfd ASTRA flying first
[10:52] <Geoff-G8DHE> I thought that was CEDARS on the filed ?
[10:52] <Geoff-G8DHE> field
[10:52] <amell> so did i. confusing
[10:54] <dg9bfc_sigi> too long tethering on ground is not that good for a balloon ... (rough guess)
[10:54] <x-f> what are they still doing there? :/
[10:54] <eroomde> dg9bfc_sigi: a fair guess
[10:54] <mfa298> I'd guess cedars first was Plan A, pop/popeye/astra first is plan B
[10:55] <Geoff-G8DHE> and with that POP1 appears
[10:55] <craag> x-f: Little niggles :)
[10:55] <craag> Prepping payload train now
[10:56] <craag> no real reason for this one first
[10:56] <dg9bfc_sigi> if they wait too long then it will pop while still on the ground :-(
[10:56] <craag> Just handling 2x balloons is going to be hard (we were planning simultaneous)
[10:57] <dg9bfc_sigi> should not the payload be prepared first?? (before filling the balloon)
[10:57] <fsphil> normally yes
[10:58] <x-f> dg9bfc_sigi, in theory yes, but in practice theory and practice differs :)
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[10:58] <craag> Can some check that POPEYE is on habhub for me?
[10:58] <G8UVS> so what is the planed rf frequency for Pop1?
[10:58] <craag> (ssdv)
[10:59] <Geoff-G8DHE> POP1 is up on SNUS
[10:59] <craag> POP1 434.075
[10:59] <G8UVS> many tnx
[10:59] <craag> POPEYE 434.200
[10:59] <Geoff-G8DHE> Nothing on logtail for POPEYE
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[11:00] <Upu_M0PU> we are just holding atm due to wind
[11:00] <Upu_M0PU> d
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[11:02] <craag> Geoff-G8DHE: It's ssdv, and looks to be wroking :)
[11:02] <craag> working even!
[11:03] <amell> surprised that balloon hasnt popped yet
[11:03] F5vnf-m (5c92727c@gateway/web/freenode/ip.92.146.114.124) joined #highaltitude.
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[11:05] <fsphil> ah, pics on http://ssdv.habhub.org/
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[11:13] <Willdude> Will telnet work better over bad internet than ssh?
[11:14] <eroomde> depends what kind of bad the internet is
[11:14] <eroomde> bad people internet, no :)
[11:14] <Neil_M0CJM> Willdude Hello across the village
[11:14] <fsphil> yea telnet isn't worth it
[11:14] <mfa298> it's unlikely to work much better and it's totally unsecure.
[11:15] <Willdude> Hello Neil_M0CJM
[11:15] <Neil_M0CJM> Hi
[11:15] <BrainDamage> there's mosh that is designed to be used with less reliable networks
[11:15] <Willdude> I saw some one time pass thing that you can use with telnet
[11:15] <mfa298> if your thinking of using telnet, ask yourself would you send that information on the back of a postcard.
[11:15] <fsphil> POPEYE's got a fair bit of packet loss
[11:15] <BrainDamage> but it's relatively new, and not as tested wrt security
[11:15] <sp2ipt> Willdude: should work worse than ssh (you can compress data with ssh)
[11:16] <Geoff-G8DHE> There is only 1 station receiving it at present
[11:16] <Geoff-G8DHE> ah 8KNN as well now
[11:17] <fsphil> M0DNY is pretty close :)
[11:18] <Willdude> BrainDamage, saw that
[11:18] <Willdude> No windows client
[11:18] <fsphil> easy solution to that
[11:18] <Willdude> fsphil, yeah, nop
[11:18] <Willdude> *no
[11:18] <mikestir_2E0MXS> get yourself a proper os
[11:18] <fsphil> I mean Virtualbox :)
[11:19] <mfa298> Willdude: so go via a linux machine (you've got a Pi and BBB from what I remember)
[11:19] <Willdude> What as in have local network ssh to that and mosh to the server?
[11:19] <Willdude> Good idea
[11:20] <mfa298> I seem to recall suggesting the same solution several months back when you asked the same question.
[11:20] DutchMillbt (3e2d8485@gateway/web/freenode/ip.62.45.132.133) joined #highaltitude.
[11:21] <Willdude> I think we have about 15 pis at school - with access to the network that isn't filtered
[11:22] DL7AD (~quassel@p50865D78.dip0.t-ipconnect.de) joined #highaltitude.
[11:22] <Willdude> Or for a simpler solution, I guess I could run a VM, ssh into that
[11:22] <Willdude> Oh fsphil suggested that
[11:22] <mfa298> if you run a local vm you could just use the vm window
[11:23] <fsphil> yea virtualbox is pretty good for that
[11:23] <mfa298> a;though you'll have to download virtualbox and a linux iso first which if your internet is dodgy (presumably the reason you were asking about telnet/mosh) that could take a while
[11:23] <fsphil> with the proper drives installed there is very little latency
[11:23] <fsphil> drivers
[11:23] <Willdude> Got virtualbox installed
[11:23] <Willdude> Might have a linux image around
[11:23] <Willdude> Or CD
[11:24] <mikestir_2E0MXS> how come your internet is so bad? it's been bad for months
[11:24] <dg9bfc_sigi> he is using a 33k dial up modem (just kidding)
[11:24] Apis (568e4015@gateway/web/freenode/ip.86.142.64.21) joined #highaltitude.
[11:25] <Willdude> mikestir_2E0MXS, talktalk
[11:25] <Willdude> Parental reluctance to get fibre optic
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[11:26] <amell> what is happening in cambridge?
[11:26] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) left irc: Remote host closed the connection
[11:26] <amell> WIlldude: I have 79MB down/10MB up being installed on Tuesday afternoon :)
[11:26] <mfa298> based on most of the screen shots we've seen of Willdude's desktop I'd guess uTorrent is to blame half the time (either on his machine or someone elses)
[11:27] <Willdude> mfa298 tis off
[11:27] <amell> Is anyone else watching Upu cam?
[11:27] <mfa298> amell: I've been watching most of them at various times
[11:28] <Upu_M0PU> red neck wind sock cam to you
[11:28] <amell> Wind at Upus is crazy
[11:28] G____ (2e40816b@gateway/web/freenode/ip.46.64.129.107) joined #highaltitude.
[11:28] <Upu_M0PU> unless wind dies down we aren't launching
[11:29] <amell> yeah, that wind looks nuts
[11:29] <Upu_M0PU> craag launched ?
[11:29] <amell> not yet
[11:29] <amell> 2 balloons on ground tethers are up
[11:29] <amell> not released yet
[11:31] <amell> upu: inbound clouds looking nasty!
[11:31] [1]Geoff-G8DHE (~Geoff-G8D@geoffg8dhe.plus.com) joined #highaltitude.
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[11:31] Nick change: [1]Geoff-G8DHE -> Geoff-G8DHE
[11:31] <Upu_M0PU> k
[11:31] <Willdude> mfa298 nobody else in my house torrents - I stopped.
[11:32] <mikestir_2E0MXS> it's almost completely still here
[11:33] <fsphil> nice here too
[11:33] <fsphil> even the odd bit of sunshine
[11:33] <mikestir_2E0MXS> should have stayed up north Upu_M0PU
[11:34] <number10_M0MDB> dont like those power lines nearby Upu_M0PU
[11:34] <Willdude> Upu_M0PU I like your new callsign :P
[11:34] <daveake> Lauch would be from the field, far away from the lines
[11:35] <ibanezmatt13> looks like a launch for SUSF
[11:35] <jonsowman> yep
[11:35] <jonsowman> and cedars
[11:36] <fsphil> yea first image from the air
[11:38] <jonsowman> only 2.7m/s on POP
[11:38] <jonsowman> can't remember which baloons they're on
[11:38] <jonsowman> *ll
[11:38] <daveake> might not pop
[11:38] <LeoBodnar> aye
[11:38] G8GKQ (d9a46e70@gateway/web/freenode/ip.217.164.110.112) joined #highaltitude.
[11:38] <jonsowman> that would be ironic
[11:39] <jonsowman> (Physics Outreach Project btw)
[11:39] <jonsowman> not purely just for the purpose of tempting fate
[11:39] <LeoBodnar> outreach ffs
[11:39] <daveake> ah :)
[11:39] <jonsowman> this isn't actually outreach
[11:39] <jonsowman> changing the callsign of the tracker was too much effort
[11:40] <LeoBodnar> this word is reserved for councils and top management
[11:40] <daveake> :)
[11:40] <fsphil> fits nicely into the ssdv callsign limit
[11:40] <daveake> Yes, we messed up when we opted for RICHARD for the Pi
[11:41] <Martin_G4FUI> ... as long as we don't start talking about "Workstreams" ... !! :)
[11:41] bearfollower (56d16550@gateway/web/freenode/ip.86.209.101.80) joined #highaltitude.
[11:41] <jonsowman> both past the Coxon Kilometre anyway
[11:44] <jonsowman> prediction paths look nice
[11:45] <DutchMillbt> Good morning what's the frequency for ASTRA1 ?
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[11:46] <chrisstubbs> 434.075 according to mailing list
[11:47] <DutchMillbt> oke thankz chriss
[11:48] <fsphil> there are quite a few bits being used to transmit those two temperatures :)
[11:48] <craag> Fun launch :)
[11:48] <chrisstubbs> Yep I can see it just above. Bacon time :)
[11:48] <Neil_M0CJM> GREEN from cedars here
[11:48] <eroomde> http://31.media.tumblr.com/tumblr_lz1pukKd3M1r5zttro1_400.gif
[11:49] <eroomde> i think fldigi should have this built-in for when you get your first good decode ^
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[11:49] <craag> Hows POPEYE?
[11:49] <fsphil> spectrum is green
[11:49] <jonsowman> looking good craag
[11:49] <fsphil> so far so good craag
[11:50] <jonsowman> #66 was quite upside downy
[11:50] <Willdude> eroomde, nice new haircut
[11:50] G4AIU-Eugene (568b69bc@gateway/web/freenode/ip.86.139.105.188) joined #highaltitude.
[11:50] <eroomde> Willdude: thanks
[11:50] <eroomde> i'm trying it out
[11:51] <fsphil> gone a bit too far with the UV bed
[11:51] <daveake> Banging your head against the wall will be harder
[11:51] <daveake> but less painful
[11:52] <Willdude> In that case, I may as well get a haircut like that before I start trying some Surface Mount soldering
[11:52] <g4tvp> how did i find out the frequency for the two balloons launched from Cambridge?
[11:53] f5vnf (5c92727c@gateway/web/freenode/ip.92.146.114.124) joined #highaltitude.
[11:53] <daveake> you looked at the mailing list?
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[11:53] <Upu_M0PU> whats on 434.450 ?
[11:53] <Upu_M0PU> which payload ?
[11:53] <fsphil> colinh
[11:53] <fsphil> is still in the atlantic
[11:53] <fsphil> er, north sea
[11:55] <Upu_M0PU> anyone ?
[11:55] <eroomde> the one time i need an arduino i can't actually find one anywhere in the damn building
[11:55] <mikestir_2E0MXS> cedars school according to the mailing list Upu_M0PU
[11:55] <daveake> Upu_M0PU, 'CEDARS' - 434.450 - 50 baud
[11:55] <Upu_M0PU> on a very slow netbook I can see it
[11:55] <Upu_M0PU> very wide shift ?
[11:55] <fsphil> CEDARS on 434.450
[11:55] <chrisstubbs> yeah
[11:56] <Upu_M0PU> ta
[11:56] <Upu_M0PU> click a button wait 30 s
[11:56] <Upu_M0PU> trying to remotely do it from home
[11:56] <daveake> Welcome to my internet
[11:56] <daveake> All this uploading is slowing it down
[11:56] Action: daveake counts the days till fibre
[11:57] <fsphil> ross-on-line
[11:57] <daveake> or everyone could switch to the mifi that would help :)
[11:57] <daveake> "fastershire"
[11:57] <daveake> (seriously)
[11:57] <Upu_M0PU> I'm on 3G
[11:57] <daveake> ok
[11:57] <Upu_M0PU> your wireless wasn't working this morning
[11:57] <daveake> should be
[11:57] <Upu_M0PU> and you were busy so I decided not to mention it
[11:57] <daveake> :)
[11:57] <daveake> Probably Lester downloading porn
[11:58] <Willdude> Lester?
[11:58] <fsphil> uncle festers brother
[11:58] <eroomde> Lester worry about on the technical side
[12:01] <Herman-PB0AHX> is autoconfigure for popeye ok in fldigi ??
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[12:04] <Geoff-G8DHE> Need to set the Bandwidth much wider to match Baud rate
[12:04] <PE2G> Herman-PB0AHX: Do you have anything on 4.075?
[12:04] <Geoff-G8DHE> in the modem settings
[12:04] <Geoff-G8DHE> ASTRA1 on 075
[12:04] <Herman-PB0AHX> PE2G: yes on 200 also
[12:05] <Geoff-G8DHE> 200 is POPEYE
[12:05] <PE2G> Ok tnx, Herman-PB0AHX
[12:05] <Herman-PB0AHX> yes i found astra now
[12:05] <x-f> looks like Uggy will launch soon, too
[12:06] <x-f> France is quite hot - 45C temp
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[12:12] <Martin_G4FUI> What's the transmission format for POPEYE?
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[12:15] <PE2G> First greens from CEDARS at -0.2 deg, 416 km
[12:16] <PE2G> CEDARS on 434.451.6 here
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[12:17] Action: bertrik is quickly powering up the habtracker
[12:19] <G8UVS> do the ballons have aerials?
[12:19] <bertrik> oh wait, *four* payloads to track? :D
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[12:22] <bertrik> PE2G: what shift do you have on CEDARS, I need about 850 Hz
[12:22] <PE2G> 859 Shift bertrik
[12:23] <PE2G> Filter bandwdth 280 Hz
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[12:25] <bertrik> I don't always get to see the range and bearing in dl-fldigi, for example I got no range/bearing for MULDER last night, but I do get it now for CEDAR
[12:26] <Herman-PB0AHX> a lot of qrm on 434 band here lost a lot
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[12:26] <mikestir_2E0MXS> PE2G: you can have the filter way narrower than that for CEDARS - it's only 50 baud
[12:27] <jarod> wow in range bertrik?
[12:27] <PE2G> mikestir_2E0MXS: Yeah, I should. But I get more reds when i make it narrower...
[12:27] <mikestir_2E0MXS> that's interesting
[12:27] <bertrik> jarod: yes, I am in Gouda, but the receiver I'm controlling is in the hague, which is very well in range now
[12:28] <PE2G> I'll try POPEYE now
[12:28] <jarod> which freq?
[12:29] <Herman-PB0AHX> i have also lot of red lines from astra1 grgrgr
[12:29] <PE2G> POPEYE on ~434.200
[12:29] <jarod> and cedars?
[12:30] <Herman-PB0AHX> cedars on 450
[12:30] <jarod> nothing there :/
[12:31] <Herman-PB0AHX> PE2G: wat mode is on 200 ??
[12:31] <homewld> Hi i am tracking and uploading ASTRA (G3WDI) but dont appear on the map?
[12:32] <PE2G> Herman-PB0AHX: 600 bd 7n2
[12:32] <Geoff-G8DHE-M> Have you setup the dlconfiguration Tab for Location ?
[12:32] <PE2G> Shift 600 Hz
[12:32] <homewld> yes and I usually appear
[12:33] <Geoff-G8DHE-M> Try refreshing the browser then it can be a bit slow at times
[12:34] <jarod> i have to go
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[12:36] <PE2G> Herman-PB0AHX: use auto-configure for POPEYE (It's under SUFS L3)
[12:38] <Herman-PB0AHX> popeye is strong but wil not writing here
[12:39] <Herman-PB0AHX> i go back to astra1
[12:39] <DutchMillbt> Herman QRM @your QTH too?
[12:39] <Herman-PB0AHX> DutchMillbt: yes a lot here
[12:40] <DutchMillbt> Yep good signal but no decodes ;(
[12:40] <Herman-PB0AHX> here also
[12:40] <junderwood> Anyone know the frequency for Uggy?
[12:41] <junderwood> Ah never mind - it's in France
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[12:42] <PE2G> Here much qrm on POPEYE 434.200 too, but it will decode nonetheless
[12:42] <PE2G> http://s24.postimg.org/revyaysc5/Screen1378.jpg
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[12:50] <dg9bfc_sigi> frits ... nothing here yet :-(
[12:51] <PE2G> dg9bfc_sigi: Schade :(
[12:51] <PE2G> dg9bfc_sigi: Where are you curently?
[12:52] <G8UVS> signals low this afternoon from these ballons
[12:52] <dg9bfc_sigi> where?? at home :-)
[12:53] <PE2G> dg9bfc_sigi: I can't find you on snus
[12:53] <dg9bfc_sigi> beam set to west and also tried with dualband vertical
[12:54] <dg9bfc_sigi> snus?!?!
[12:54] LA3EQ (50d5d0b5@gateway/web/freenode/ip.80.213.208.181) joined #highaltitude.
[12:54] <DL7AD> dg9bfc_sigi: spacenear
[12:54] <LA3EQ> What mode and frequency for POP1???
[12:55] <chrisstubbs> 464.200
[12:55] <number10_M0MDB> 300 baud rtty
[12:55] <chrisstubbs> 600 baud?
[12:55] <LA3EQ> thanks guyds
[12:56] <number10_M0MDB> 300 for pop1, 600 for popeye ssdv
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[12:56] <chrisstubbs> ah right
[12:57] <daveake1> We're calling the LOHAN flights off. Too windy.
[12:57] <jeffewil> hi, can anyone help me with setting up dl-fldigi for tracking the flights going on at the moment - I only seem to be receiving random letters...
[12:58] <number10_M0MDB> what one are you runed to jeffewil ?
[12:58] <chrisstubbs> better luck next time daveake1
[12:58] <amell> surprised at lack of receivers for POP1
[12:58] Nick change: daveake1 -> daveake
[12:58] <jeffewil> 434.078
[12:58] <daveake> It was do-able early on, but the wind picked up
[12:59] <amell> any phone call from cheltenham btw?
[12:59] <adamgreig> daveake: aw :(
[12:59] <adamgreig> it was pretty windy at camb
[12:59] <adamgreig> some amusing launches
[12:59] <adamgreig> there's a third balloon up with just gsm gps from another school too
[12:59] <adamgreig> had three balloons filled all out on the field
[12:59] <daveake> Yeah, didn't fancy trying to launch with 3.5kg of neck lift in this wind
[12:59] <number10_M0MDB> thats straight forward rtty - all you need to know id here jeffewil : http://www.ukhas.org.uk/guides:tracking_guide
[12:59] <daveake> or indeed filling
[12:59] <adamgreig> I was the only cusf person around too so we had a great time
[13:00] <adamgreig> running between them all and phoning the tower :P
[13:00] <daveake> :)
[13:00] <number10_M0MDB> sounds like ity was a little hectic adamgreig
[13:00] <jonsowman> it's kinda fun to watch/judge
[13:00] <daveake> There's nothing to block the wind up here
[13:00] <adamgreig> it was hectic but that's how I like it
[13:00] <adamgreig> very fun
[13:01] <adamgreig> most of the balloons were horizontal or on the ground
[13:01] <adamgreig> just waited for a brief lull
[13:01] <jeffewil> number10_M0MDB I have done all that but no bytes seem to be compiled - wondered if I was missing something simple....
[13:01] <adamgreig> still had the payload hit the ground
[13:01] <daveake> I am tempted to fill a 100g indoors for a floater, the lob it up
[13:01] <daveake> but I won't :)
[13:01] <LA3EQ> Frequency for CedARS pse???
[13:02] <number10_M0MDB> if you followed that jeffewil it should work if you are tuned correctly to usb
[13:03] <PE2G> LA3EQ: CEDARS was on 434.451.6 when I left it a while ago
[13:03] <LA3EQ> Thanks PE2G
[13:04] <G8UVS> 434.451.930 and stable de G4MYS
[13:05] <G8UVS> stable enough for me to wander off for 10 mins and do other things!
[13:09] <dg9bfc_sigi> frits .. something seems to be wrong in my setting ... hlp pls
[13:09] <PE2G> dg9bfc_sigi: OK, what's the problem?
[13:10] <dg9bfc_sigi> my station does not show up
[13:10] <dg9bfc_sigi> location is set
[13:10] <LA3EQ> dg9bfc not mine too...it's normal
[13:10] <RichardAKJ> When's the next attempt daveake?
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[13:11] <PE2G> dg9bfc_sigi: DL Client > Configure > Location > enter yr decimal coordinates
[13:11] <LA3EQ> dg9bfc it could take some hours befor it shows up on screen
[13:11] <dg9bfc_sigi> did that (lat and long set)
[13:11] <PE2G> dg9bfc_sigi: And clicked save?
[13:11] <dg9bfc_sigi> yep
[13:11] <homewld> same here!
[13:12] <PE2G> dg9bfc_sigi: How long ago?
[13:12] <dg9bfc_sigi> a few mins
[13:12] <dg9bfc_sigi> do i have to wait longer?
[13:12] <dg9bfc_sigi> or restart soft (so it connects again with refreshed data)
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[13:12] <PE2G> I don't know. maybe the server load is high??
[13:14] <fsphil> what frequency is popeye on?
[13:14] <homewld> Ok took about half an hour for G3WDI to appear on the map
[13:14] <G8KNN> 434.199 fsphil
[13:15] <bertrik> When UGGY comes in range, I'll switch to that I think, sorry UK :)
[13:15] <PE2G> dg9bfc_sigi: DL Client > Configure > Operator > Did you fill your c/s?
[13:15] <fsphil> G8KNN: thanks
[13:15] <fsphil> looks like it's a bit too weak for me
[13:16] <steve_2e0vet> is there a way in spacenear.us to see the frequencies or do you have to look elsewhere
[13:16] <dg9bfc_sigi> yes .. all data filled in like i did on my other pc ....#
[13:17] <G8KNN> dg9bfc_sigi: I can see you on the map
[13:17] <fsphil> there is quite a bit of caching on the website
[13:17] <fsphil> things can sometimes take time
[13:17] <amell> strange picture
[13:17] <dg9bfc_sigi> yes ... seems as starting new and connecting again to server solved the problem ... tnx anyway
[13:17] <fsphil> someone forget to program the temperature sensors to handle negatives? :)
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[13:18] <PE2G> dg9bfc_sigi: I refreshed snus and now I see you too :)
[13:18] <LA3EQ> strange sweeping noise come on 434.500...must be a satellitte
[13:18] <fsphil> 119 is a nice image
[13:18] <daveake> RichardAKJ Looking at options now
[13:18] <amell> whats with the OSD, surely it can come in telemetry
[13:18] <fsphil> yea that's a lot of bits to send temperature
[13:19] <amell> noticed the radiation variables are not moving 0
[13:19] <jonsowman> amell: they're known to break at altitude
[13:19] <PE2G> fsphill: Very nice indeed! The lower level pics between cloud layers were also very nice
[13:20] <fsphil> cedars is on the way down
[13:20] <amell> yikes, fast fall
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[13:21] <fsphil> popeye's on the same balloon as astra1?
[13:21] <amell> wonder who M0MDB is, he could do to be sending in positions
[13:22] <fsphil> number10_M0MDB would know
[13:22] <eroomde> adamgreig: i think John Cormack is about to hail you with some panicy crap
[13:22] <jonsowman> Yes I think he would
[13:22] <eroomde> good luck
[13:22] <jonsowman> ...
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[13:24] <steve_2e0vet> are any of the ballons on or around 434.700
[13:26] <amell> impressive chase car positiioning
[13:27] <adamgreig> eroomde: ah yes
[13:27] <adamgreig> what aer we overflying?
[13:29] <adamgreig> I can't see any issues?
[13:29] <dg9bfc_sigi> frits .. on what qrg do you receive popeye .. 434.200 is correct?
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[13:30] <Upu_M0PU> offically not launching
[13:30] <adamgreig> aww :(
[13:30] <fsphil> dg9bfc_sigi: 434.198.5 here
[13:30] <PE2G> dg9bfc_sigi: yes, that's POPEYE at 600 bd
[13:31] <fsphil> I can see the carrier but it's a bit too weak for me to decode on the colinear
[13:32] <PE2G> dg9bfc_sigi: I have POPEYE on 434.199.8 cursor ~1100Hz
[13:32] <fsphil> given the amount of wobble I'd say this was an NTX2A :)
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[13:34] Action: bertrik is switching to UGGY
[13:35] <dg9bfc_sigi> 850 shift and 600bd .. right?
[13:35] <fsphil> 600hz shift, 600 baud
[13:35] <fsphil> 8bit, no parity, 2 stop bits
[13:36] <PE2G> dg9bfc_sigi: http://s30.postimg.org/s9ka8xf4x/Screen1379.jpg
[13:36] <amell> nice contrail pattern from stansted
[13:36] <gonzo___> what freqsare what paYLOADS?
[13:36] <eroomde> adamgreig: not overflying anyhting as far as i cna see
[13:36] <steve_2e0vet> is my ublox kaput!! I cannot seem to get any sat info from it, also the set flight mode command always fails
[13:36] <gonzo___> SEE STRONG SIGS .200
[13:37] <Geoff-G8DHE> Thats POPEYE SSDV
[13:37] <gonzo___> ta
[13:37] <adamgreig> he seems very very panicked eroomde
[13:38] <adamgreig> "I hope to god this is not the first you're hearing of this"
[13:38] <adamgreig> wants the live feed cut etc
[13:38] <adamgreig> lol
[13:38] <jonsowman> shut up zeusbot
[13:38] <amell> wtf is john cormack?
[13:38] <bertrik> UGGY seems very unstable wrt frequency in the short term
[13:39] <fsphil> Like John Carmack, but less famous?
[13:39] <jonsowman> lol
[13:39] <amell> i already googled that one
[13:40] <jeffewil> Would anyone be able to share the initialisation string code for a Ublox 7q - I don't know where to start. jcoxon 's guide for the 6Q doesn't seem to bare resemblance to the Receiver spec description...
[13:40] Action: amell wonders if jc is some hab-hater
[13:40] <LeoBodnar> start with receiver spec description
[13:40] <eroomde> jeffewil: even better - grab the ublox 7 receiver protocol description pdf document
[13:41] <eroomde> that way you can understand what's actually going on
[13:41] <eroomde> magic strings are in no-one's interests
[13:41] <eroomde> adamgreig: tell him to f off
[13:41] <fsphil> popeye's signal is improving a bit
[13:41] <eroomde> and write his thesis
[13:41] <amell> a bit like the reverend fred phelps of hab.
[13:41] <adamgreig> he's worried about stanstead airport
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[13:42] <amell> uh, not going near there.
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[13:42] <bertrik> getting only partials from UGGY
[13:42] <amell> but we can see the contrails of stanstead approach :)
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[13:43] <amell> image 126,127 and 130
[13:43] <fsphil> at that height you could see belfast airport if it was clear enough
[13:43] <jeffewil> eroomde - I have that, I thought it might be similar to jcoxon's instructions for the 6Q and therefore be a good place to start - but it's not - not for me any way
[13:43] <gonzo___> excellent sigs from popeye, now i've sorted the settings
[13:43] <LeoBodnar> approach has contrails?
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[13:44] <jonsowman> jeffewil: there's also another manual that provides a good overview of the device
[13:44] <eroomde> jeffewil: well, the important thing is to put it into airborne mode
[13:44] <eroomde> so it works at altitude
[13:44] <jonsowman> think it's called Hardware Integration Manual or something
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[13:44] <eroomde> after than you might be interested in configuring which messages you wish to receive
[13:44] <eroomde> eg perhaps just the GGA message from NMEA
[13:44] <jonsowman> it's worth a flick through before trying to understand the protocol desc
[13:44] <G8UVS> Steeple Bumpstead is a good name for the ballons to cross over!
[13:46] <Herman-PB0AHX> going HL1 also fly today ??
[13:47] <jeffewil> Thanks jonsowman and eroomde : it's the message syntax I don't understand to talk to the UART. Jcoxon's guide has commands and hex configuators that don't tally - so if it would be good to have a more familiar place to start. Do you have initialisation code for the 7Q you could share?
[13:47] <LeoBodnar> wow! London City had 7.5º glideslope before 1992 then reduced to 5.5º. This is freaking scary in a passenger a/c
[13:48] <eroomde> jeffewil: not on me - but i promise all i've ever done to talk to a gps was read through the datasheet from scratch with a cup of tea
[13:48] <jonsowman> jeffewil: I don't, sorry. I'm sure someone does. Though as eroomde says, you'll almost certainly find you need to understand the fundamentals of communication with the unit at some point, so you might as well start
[13:48] <eroomde> and never used anyone else's incantations
[13:48] <DL7AD> LeoBodnar: yes... did this approach already in a full motion simulator. i often used the speedbrakes in the final ;)
[13:48] <jonsowman> jeffewil: I'm sure the protocol description gives an overview of the message syntax
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[13:49] <jonsowman> I can't imagine that the 6->7 transition changed it too drastically? Speculation though
[13:49] <amell> im really confused.
[13:49] <amell> there were two balloons launched today, right?
[13:49] <LeoBodnar> i think i have once tried it with instructor in Arrow and it feels just like a helicopter landing
[13:49] <jeffewil> yes - agree - I don't to copy it straight - just have a working example to use as reference. I'll keep reading.
[13:49] <jonsowman> amell: two from cambridge
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[13:49] <fsphil> I read the navmode packet, if that particular byte is not correct I set it and then send it all back
[13:49] <jonsowman> (three actually but one is GSM only)
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[13:50] <bertrik> nice, jijdaar got a fix on UGGY
[13:50] <eroomde> my boss james, who has a CPL, said of 7.5 degrees approach: "Gosh, that's a bit sporting"
[13:50] <LeoBodnar> it's pretty much a controlled falling out of the sky
[13:50] <Laurenceb> oooh lots of stuff in the sky
[13:50] <jonsowman> jeffewil: is it this you're reading? http://ukhas.org.uk/guides:ublox6
[13:50] <jeffewil> yes
[13:50] <Laurenceb> is this the Register igniter test?
[13:50] <amell> why are joey and cedars flying apart? i thought they were tethered
[13:51] <number10_M0MDB> thats not going up Laurenceb
[13:51] <fsphil> Laurenceb: nah, that's been delayed due to wind
[13:51] Upu_M0PU (~UpuMobile@daveake.plus.com) left irc:
[13:51] <amell> or are they on two separate chutes?
[13:51] <Laurenceb> oh
[13:51] <jonsowman> jeffewil: yeah the binary sequences are quite opaque. you could compare that code to the ublox 6 protocol description if you want to check your understanding
[13:51] <Laurenceb> so whats JOEY and CEDARS?
[13:51] <Geoff-G8DHE> Look at the telemery times JOEY is 10 minutes out od date
[13:51] <Laurenceb> nothing to do with register?
[13:52] <amell> Geoff: Ahhhh
[13:52] <amell> Geoff now that makes more sense. seems strange
[13:52] <jonsowman> Geoff-G8DHE: it's a backup tracker so it may be that nobody['s tracking it right now
[13:52] <Geoff-G8DHE> I never heard JOEY at all I suspect its low power or danaged aerial
[13:53] <amell> POP1 must be close to bursting now
[13:53] <craag> Hi Guys
[13:53] <craag> POP1 we're hoping will break our 37km society record :)
[13:54] <amell> it already has
[13:54] <craag> oh
[13:54] <craag> :D
[13:54] <jonsowman> lol
[13:54] <amell> 37827
[13:54] <craag> woo
[13:54] <amell> sorry 37212
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[13:54] <craag> So we're hoping it'll hold out a bit, then land on our heads
[13:55] <craag> (mystery van chase)
[13:55] <amell> youre getting radiation readings i have just seen
[13:55] <craag> Yes, a couple of geiger tubes
[13:55] <dg9bfc_sigi> frits ... i can receive on 200 ... but not enough to decode :-(
[13:56] <amell> ir and light - what units are these?
[13:56] <fsphil> the AFC seems to want to stay 100hz below the signal
[13:56] <craag> ssdv is looking good, shame about bash's floating point bug :P
[13:56] <craag> amell: I don't know, mattbrejza will, but is chasing CEDARS right now.
[13:56] <x-f> nats`, why are you offline right now?
[13:57] <jonsowman> craag: great job, pics look fantastic
[13:57] <amell> and you just smashed 38000
[13:58] <fsphil> what's the highest live images again?
[13:58] <craag> fsphil: THat would be Dave's float, like 42km
[13:58] <craag> iirc
[13:58] <number10_M0MDB> not sure fsphil but I know its lower than the highest images :)
[13:58] <fsphil> ah yes, that thing floated really high
[13:59] <craag> yeah.... grrr
[13:59] <fsphil> number10_M0MDB: still got that eh? :)
[13:59] <PE2G> Burst
[13:59] <jonsowman> lol
[13:59] <number10_M0MDB> yes fsphil
[13:59] <fsphil> yea signal's gone here
[13:59] <fsphil> number10_M0MDB: what was it again?
[13:59] <eroomde> i imagine jon cormack is now going out of his mind with fear
[13:59] <amell> yeah it was a burst at 38544
[14:00] <Herman-PB0AHX> astra1 going down here now
[14:00] <jonsowman> eroomde: I'm not missing something - this is definitely OK right? I can't see what he's worrying about
[14:00] <number10_M0MDB> 42545 fsphil with a lardy 750g payload
[14:00] <fsphil> nice
[14:00] <fsphil> I've yet to beat 40km
[14:01] <fsphil> oh balloon bits
[14:01] <fsphil> or whatever that is
[14:01] <gonzo___> yep nice shot
[14:02] <fsphil> alien tracker beam
[14:02] <gonzo___> tractor
[14:02] <fsphil> farmer aliens
[14:02] <jonsowman> lol
[14:02] <eroomde> adamgreig: any idea who took that from the launch box?
[14:02] <gonzo___> massey fergusun in spaaaaaaccceeeee
[14:02] <Herman-PB0AHX> bertrik: u know the freq off uggy ?
[14:02] <eroomde> that should be an offense punishable by death
[14:05] <x-f> Herman-PB0AHX, 434.650
[14:05] <Herman-PB0AHX> x-f: tnx
[14:06] <eroomde> these seem to be coming in a bit hot, chaps
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[14:06] <eroomde> at the current descent rate at the current altitude, i make it a sea-level descent rate of over 13m/s
[14:07] <eroomde> chute failure?
[14:08] <jonsowman> it was a fairly large spherachute iirc
[14:08] <eroomde> is that scrunched up orangey thing in some of the photos meant to be a chute?
[14:08] <eroomde> because it doesn't look very open
[14:08] <jonsowman> indeed
[14:08] <eroomde> and the payloads are coming in massively too fast
[14:08] <LeoBodnar> what's the deal with temperatures?
[14:08] <jonsowman> mm something is definitely up with chutes
[14:09] <eroomde> heads below
[14:09] <eroomde> meteorhab coming in
[14:10] <jonsowman> other one was/is ok
[14:10] <jonsowman> 4.5m/s
[14:10] <daveake> <craag> fsphil: THat would be Dave's float, like 42km
[14:10] <daveake> The float was about 41km iirc
[14:10] <daveake> I have beaten it, just
[14:11] <eroomde> descent rate at sea level about 15m/s based on the current ballistic coefficient
[14:11] <daveake> nice
[14:11] <Herman-PB0AHX> yessss green lines from uggi nice
[14:11] <eroomde> that's about 10 times the design kinetic energy :)
[14:11] <x-f> speaking of meteorites - a skydiver filmed one rushing past him - http://norskmeteornettverk.no/wordpress/?p=1399
[14:12] <eroomde> if you can tell the chase team to get decent forensic photos of the failed chute, before picking it up, that could be useful
[14:12] <tweetBot> @daveake: LOHAN test flights called off for today. Backup plan is to launch Wednesday/Thursday when the winds should be kinder. #UKHAS #raspberrypi
[14:12] <jonsowman> eroomde: will try
[14:13] <jonsowman> craag: ^
[14:13] <Herman-PB0AHX> UGGY distance 495.7 km very nice
[14:13] <bertrik> nice one PE2G!
[14:14] <bertrik> and Herman-PB0AHX :)
[14:14] <bertrik> what settings do you use in dl-fldigi?
[14:14] <Herman-PB0AHX> PE2G: nice signaal from uggy hihihihihi strange here
[14:14] <Herman-PB0AHX> tnx bertrik
[14:14] <Laurenceb> POP1 is going to get smasherooned shortly
[14:14] <daveake> SPLAT1
[14:14] <Herman-PB0AHX> autoconfiure
[14:15] <Herman-PB0AHX> +g
[14:15] <G6SUQ_Graham> what freq for UGGY?
[14:15] <PE2G> UGGY is extremely wobbly. Jittery more like..
[14:15] <Herman-PB0AHX> 434.651 here
[14:15] <PE2G> http://s27.postimg.org/62tggsfv7/Screen1380.jpg
[14:16] <PE2G> I have UGGY on 434.653.0
[14:16] <bertrik> Laurenceb: I hope it lands in a field, which looks probable so far
[14:17] <jonsowman> down to 7.6m/s eroomde
[14:17] <x-f> retrorockets firing
[14:18] <eroomde> or chute becoming happier
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[14:19] <Herman-PB0AHX> UGGY going down now
[14:20] <bertrik> Herman-PB0AHX: UGGY is so jittery that I can't decode it, I get a lot of partials, but no full decode yet
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[14:21] <PE2G> bertrik: here the same: 90% partials
[14:21] <Herman-PB0AHX> distance of UGGY max by me 506 km very nice
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[14:22] <Herman-PB0AHX> here agn lot of qrm now
[14:22] <amell> is cedars recovered?
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[14:23] <amell> it must be visible
[14:23] <dg9bfc_sigi> almost in g8knn´s garden ... no need for a chasing car cause he can WALK there (grin)
[14:24] <amell> popeye looks like it landed in a road or some trees
[14:24] <mikestir> it's down isn't it
[14:24] <mikestir> in a garden
[14:25] <adamgreig> looks like
[14:25] <mikestir> there's data on the ground from ASTRA1
[14:25] <amell> looks like a paddock to me
[14:25] <adamgreig> pretty sure it's in the garden not the paddock
[14:25] <adamgreig> hopefully not in the conservatory
[14:26] <mikestir> it might be in the tree in the garden
[14:26] <adamgreig> hehe
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[14:26] <adamgreig> given the poor GPS signal I imagine not on the top of a tree
[14:27] <adamgreig> guess they'll find it pretty soon
[14:27] <amell> just seen some pylons across the field. hope it didnt hit
[14:29] <cm13g09> mfa298: ping
[14:30] <mfa298> cm13g09: pong
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[14:34] <Herman-PB0AHX> mni tnx to all from the netherlands i go to dinner
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[14:38] <number10_M0MDB> just gpt a
[14:39] <number10_M0MDB> just got a couple of ssdv packets
[14:39] <number10_M0MDB> think they must have switch it off
[14:42] <craag> POP recovered :)
[14:43] <craag> Balloon on a roof, payload on concrete
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[14:43] <craag> Had hit pretty hard!
[14:44] Nick change: daveake_M0RPI -> daveake
[14:46] Nick change: number10_M0MDB -> number10
[14:46] <eroomde> not surprised!
[14:47] <eroomde> how was the parachute?
[14:47] <eroomde> it looked like it had failed for 90% of the descent
[14:47] <craag> It had tangled with the balloon
[14:48] <craag> Most of the latex was left
[14:49] <cm13g09> craag: oh dear
[14:50] <Geoff-G8DHE> Object Movie for CEDAR http://360.g8dhe.net/HAB_Flights/2014_Flights/CEDARS_20140405/CEDAR_20140405.html
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[14:52] <batuhangenc> hello there !
[14:52] <batuhangenc> is anyone there?
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[14:53] <batuhangenc> hello?
[14:53] <jonsowman> hello
[14:53] <Geoff-G8DHE> Yes hello what can we do ?
[14:54] <batuhangenc> i was just thinking about highaltitude balooning
[14:54] <batuhangenc> i've had a raspberry pi for a while
[14:54] <batuhangenc> soo
[14:54] <batuhangenc> balooning is something awesome
[14:54] <Geoff-G8DHE> I would eat it before it goes off then
[14:54] <eroomde> you've come to the right place
[14:55] <batuhangenc> in my opinion
[14:55] <eroomde> although people are generally (correctly) quick to suggest that the Pi is not the best thing to use as a high altitude balloon flight computer
[14:55] <batuhangenc> so what is it?
[14:55] <eroomde> but if you have one already and want to use it, here we are
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[14:55] <batuhangenc> im very interested
[14:56] <eroomde> well, for a basic tracker, you need the following 2 things really
[14:56] <eroomde> 1) a GPS receiver
[14:56] <eroomde> 2) a radio to transmit telemetry
[14:56] <eroomde> the gps receiver will be sending a text-based message out on its serial port at about one message a second
[14:56] <batuhangenc> about recording, i was thinking about gopro..
[14:56] <eroomde> say at 9600 baud
[14:56] <batuhangenc> hmm
[14:56] <batuhangenc> i understood
[14:57] <batuhangenc> according to my research some of the balooners uses barometers
[14:57] <eroomde> the radio needs to send something down, usually we use 50-baud RTTY (like the very simple cold-war film typing on the screens you use - rtty = radio teletype)
[14:57] <eroomde> barometers are hard to do well in the really thin atmospheres balloons go to
[14:57] <eroomde> unless you know what you're doing, they're not that useful
[14:57] <eroomde> 99.9% of people get altitude from gps
[14:57] <eroomde> anyway, my point was going to me
[14:57] <mfa298> batuhangenc: if you're wanting to capture pictures/video and you're sending up a Pi then using the PiCam might make more sense.
[14:58] <batuhangenc> thanks mfa
[14:58] <eroomde> you have to take like 100 bytes of message from a gps, and retransmit it at about 50bits per second on a radio
[14:58] <daveake> cheaper and lighter than a gopro
[14:58] <eroomde> and the simplest of microcontrollers is perfectly capable of doing that
[14:58] <eroomde> for about 1000th the power budget of a raspberry pi
[14:58] <batuhangenc> gopro is capable recording hd videos i guess
[14:58] <eroomde> and 1000th the complexity
[14:59] <batuhangenc> but you're right
[14:59] <batuhangenc> does the power is a issue?
[14:59] <eroomde> depends
[15:00] <eroomde> a single AA battery can power a microcontroller-based flight computer for like 2 days
[15:00] <eroomde> whereas you might need quite a lot of AA batteries to keep a raspberry-pi based tracker going for, say, 5 hrs
[15:00] <batuhangenc> for pi?
[15:01] <batuhangenc> i was expecting like 2 hours
[15:01] <mfa298> there's two potential issues with something that uses more power - more weight in terms of batteries and more heat you might need to get rid of (which could be more of an issue than you think)
[15:01] <batuhangenc> ow
[15:01] <batuhangenc> i really didn't think about the heat
[15:01] <eroomde> don't get me wrong, people do make simple flgiht computers from Pis
[15:01] <daveake> 2 hours is nowhere neat enough
[15:01] <eroomde> but they do it because Pi's are fashionable and they're doing it to learn
[15:01] <daveake> you need 1 hour of pratting-around-before-launch time
[15:01] <eroomde> my point is just that it's not the right answer from a simple engineering point of view
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[15:01] <daveake> then up to 3 hours of flight time
[15:02] <daveake> and 2 more of finding the damn thing time
[15:02] <batuhangenc> its not about the pi anyway
[15:02] <batuhangenc> i can use a microcontroller
[15:02] <eroomde> ok cool
[15:02] <batuhangenc> like arduino
[15:02] <batuhangenc> i'll try to learn
[15:02] <eroomde> well in that case most people use (to begin with) the Arduino
[15:02] <eroomde> there's loads of stuff on our wiki about doing this with Arduinos
[15:02] <batuhangenc> UNO is suitable, isn't it?
[15:02] <eroomde> eg a guide on how to connect the arduino to the radios we mostly use
[15:02] <eroomde> yes uno is suitable
[15:03] <eroomde> zeusbot has packed up
[15:03] <eroomde> http://ukhas.org.uk/guides:linkingarduinotontx2
[15:03] <batuhangenc> also i want to ask something
[15:03] <batuhangenc> how much distance does balloon goes
[15:03] <batuhangenc> sorry for my horrible english ..
[15:04] <batuhangenc> im not native
[15:04] <mclane> that depends on the winds
[15:04] <batuhangenc> for example?
[15:04] <eroomde> your english is fine - we have no problems understanding
[15:04] <batuhangenc> oh thanks
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[15:05] <mclane> and how you fill your balloon
[15:05] <mclane> can be 20 km can be 2000 km
[15:05] <eroomde> some people's balloons go up until they burst and then come back down. for that kind of flgiht, depending on winds, 50-100km would be quite normal
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[15:05] <eroomde> however some kinds of balloons get to a certain altitude then stay there and float, going with the winds
[15:05] <mclane> 2000 km in case of a "float"
[15:05] <batuhangenc> 2000km is exteme :)
[15:05] <eroomde> they can be up for several days and can go 1000s of km
[15:06] <batuhangenc> so i couldn't get my items back
[15:06] <batuhangenc> probably
[15:06] <eroomde> you should be OK if you go up an up-down flight, rather than a floating flight
[15:06] <batuhangenc> what is the diffrence?
[15:06] <batuhangenc> how can i control the altitude
[15:06] <batuhangenc> ?
[15:07] <mclane> may happen even in case of an up-down flight (-> trees!)
[15:07] <eroomde> floating is done with very light payloads going up slowly
[15:07] <batuhangenc> oh.
[15:07] <eroomde> but if you do a heavier payload and put more helium in so it goes up faster, it will burst
[15:07] <mclane> altitude cannot be controlled
[15:07] <eroomde> eg if you do a 1kg payload going up at 5m/s, it should burst
[15:07] <eroomde> but a 100g payload going up at 2m/s might float
[15:07] <mclane> depends on helium fill and balloon
[15:07] <batuhangenc> after the burst? what would happen
[15:07] <batuhangenc> =
[15:07] <batuhangenc> ?
[15:08] <eroomde> it's all because of how much pressure the helium inside can put on the balloon plastic
[15:08] <batuhangenc> it would be extremely fast..
[15:08] <eroomde> after burst it falls back to earth on a parachute
[15:08] <batuhangenc> isn't it?
[15:08] <batuhangenc> how does the parachute system works
[15:08] <eroomde> it starts off falling fast, but then falls slower as the atmosphere gets thicker
[15:08] <batuhangenc> is there anything like motor to pull it?
[15:08] <mclane> no
[15:09] <batuhangenc> do i have to wrap it around the baloon
[15:09] <batuhangenc> ?
[15:09] <batuhangenc> when the baloon pops, the parachute would be open
[15:09] <mclane> no you just put it between balloon and payload
[15:10] <batuhangenc> ok.
[15:10] <eroomde> http://blog.jgc.org/2011/03/gaga-1-stack.html
[15:10] <batuhangenc> also how does photography works?
[15:10] <tweetBot> @SUSpaceflight: Saw it land #ukhas
[15:10] <eroomde> there's a good picture here
[15:10] <eroomde> batuhangenc: for photography, people often use Canon digital cameras
[15:10] <batuhangenc> but we couldn't be able to taking it again
[15:10] <eroomde> they have a programme on them called CHDK that lets you write a little script to automatically take photos and videos
[15:11] <batuhangenc> or do we
[15:11] <batuhangenc> ?
[15:11] <eroomde> e.g., you could take a photo every 10 seconds
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[15:11] <eroomde> or you could write the script to take 4 photos in a row with a 10s gap, then 20s of video, and repeat that every minute
[15:12] <batuhangenc> is there anyway to control it remotely?
[15:12] <batuhangenc> radio signals are one way as i know
[15:13] <bertrik> there usually is not that much on a balloon that you can control
[15:14] <eroomde> people have built receivers on balloons
[15:14] <eroomde> but it requires a bit more know-how
[15:15] <eroomde> i would save that for your 2nd mission :)
[15:15] <batuhangenc> :)
[15:15] <batuhangenc> actually im kinda busy
[15:15] <batuhangenc> after 1 year
[15:15] <batuhangenc> i'll be in my university exam
[15:15] <batuhangenc> such a pain
[15:15] <batuhangenc> i'll do the ballooning thing just for fun :)
[15:16] <batuhangenc> if i could create enough time
[15:16] <batuhangenc> where are you from eroomde?
[15:17] <eroomde> i live in oxford
[15:17] <eroomde> but i started ballooning when i was a university student
[15:17] <batuhangenc> that's pretty cool
[15:17] <eroomde> also in free time!
[15:17] <batuhangenc> im living in turkey, istanbul
[15:17] <batuhangenc> im just 17
[15:18] <batuhangenc> and im begging to do something with something
[15:18] <eroomde> ah, we could do with some receivers in turkey
[15:18] <eroomde> some balloons have recently made it to turkey
[15:18] <eroomde> from the uk
[15:18] <eroomde> but no-one was there to hear them
[15:18] <batuhangenc> if i could gain experience, why not :)
[15:18] <batuhangenc> i'll be happy to help you
[15:18] <batuhangenc> take my email if you need
[15:19] <batuhangenc> gncbatuhan@gmail.com
[15:19] <eroomde> well, sign up to the ukhas mailing list
[15:19] <eroomde> it's where all the launches are announced
[15:19] <batuhangenc> can you give me link?
[15:19] <eroomde> so you should hear if there is something heading your way
[15:19] <eroomde> sure, one moment
[15:20] <eroomde> https://groups.google.com/forum/#!forum/ukhas
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[15:21] <batuhangenc> give me a sec im changing to my private email account :)
[15:22] <batuhangenc> ok im in :)
[15:22] <eroomde> great!
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[15:23] <batuhangenc> also what do i need to be a reciever?
[15:25] <number10> lots of info here batuhangenc http://www.ukhas.org.uk/
[15:25] <batuhangenc> oh thanks :)
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[15:25] <batuhangenc> there are tons of info for me
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[15:26] <eroomde> there is a link on that page to the tracking guide
[15:26] <eroomde> including in lots of languages!
[15:26] <eroomde> (you could add a turkish translation!)
[15:26] <number10> there is also some info about using a pi as a tracker - not how to do it, but things you should considder http://ukhas.org.uk/guides:raspberrypi
[15:26] <number10> -d
[15:28] <batuhangenc> i'd love to translate it (as much as i can :))
[15:28] <batuhangenc> as i said before, rpi is not my priority
[15:28] <batuhangenc> i just want to fly :)
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[15:32] <batuhangenc> eroomde thanks for your assist
[15:32] <batuhangenc> i'll make a research about arduinos, gps usage and also reciever usage
[15:32] <batuhangenc> recievers are bit pricey, aren't them
[15:32] <batuhangenc> :)
[15:33] <Geoff-G8DHE> Start with an SDR Dongle much cheaper!
[15:33] <batuhangenc> SDR dongle?
[15:33] <batuhangenc> is it a gps or reciever?
[15:33] <Geoff-G8DHE> Software Defined Radio
[15:34] <Geoff-G8DHE> There are TV dongles available which make good cheap recerivers w
[15:34] <Geoff-G8DHE> using free software
[15:34] <batuhangenc> i just think about how do i convert the radio signals to text?
[15:34] <batuhangenc> for gps location info etc
[15:35] <Geoff-G8DHE> Let me get you a link for a DOngle then then deal with software
[15:35] <batuhangenc> what is the approx, distance for that dongle?
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[15:36] <Geoff-G8DHE> https://www.cosycave.co.uk/product.php?id_product=287 try that for a Dongle, then you use SDR# or SDR-Radio to tune the signal all free software, and then you use dl-fldigi available from the wiki site here to turn it into text.
[15:36] <Geoff-G8DHE> The only other item is an aerial you will need
[15:36] <eroomde> you can get the dongles for about 10 euros
[15:37] <batuhangenc> oh they are so cheap
[15:37] <batuhangenc> against the yaesu models
[15:37] <eroomde> yeah!
[15:37] <fsphil> they certainly are
[15:37] <eroomde> yeah
[15:37] <eroomde> however you might want to get the 'habamp'
[15:37] <Geoff-G8DHE> With e decent beam aeria I track to over 300Kms without much difficulty
[15:37] <Geoff-G8DHE> Thats LOndon to Paris
[15:37] <eroomde> it is a filter and amplifier that makes the dongles a lot more sensitive to the frequency that balloons use
[15:38] <eroomde> Upu, who you will see here, can sell you one
[15:38] <fsphil> http://ava.upuaut.net/store/index.php?route=product/product&product_id=83
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[15:38] <eroomde> that shop that fsphil linked to also sells the gps and radio for the balloon that most of us use
[15:38] <fsphil> I've used the habamp with a funcube dongle and the rtlsdr, it works well
[15:38] <batuhangenc> am i going to plug this to baloon or sdr dongle?ü
[15:39] <fsphil> the dongle
[15:39] <eroomde> sdrdongle
[15:39] <batuhangenc> it seems heavy
[15:39] <batuhangenc> ok :)
[15:39] <eroomde> it's for receiving on the ground
[15:39] <fsphil> it filters out all of the unwanted signals
[15:39] <fsphil> which can sometimes overload the rtlsdr
[15:39] <batuhangenc> thanks for everything guys :)
[15:39] <eroomde> the sdr dongles, on their own, are not as sensitive or selecting to frequency as the yeasu (that helps explain the price difference), but this habamp can help overcome that problem, at least for the balloon frequency
[15:39] <Geoff-G8DHE> Object Movie of flight path for the SUS_L3 flight http://360.g8dhe.net/HAB_Flights/2014_Flights/SUSF_L3_20140405/SUS_L3_20140405.html
[15:40] <batuhangenc> thanks guys i have to leave now but i'll make some research and come back later
[15:40] <eroomde> nice Geoff-G8DHE
[15:41] <eroomde> batuhangenc: good luck
[15:41] <eroomde> and see you soon
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[15:48] <Geoff-G8DHE> OT but related seeing as we have it lying around http://tinyurl.com/n9cjhok
[15:53] <Geoff-G8DHE> Did Dave and Upu get Mulder back at all after last nights flight ?
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[15:59] <number10> dont think so
[16:00] <Laurenceb> http://www.riotboard.org/
[16:01] <Laurenceb> i lolled
[16:02] <G4BWR_Mark> Been out all day, did the Lohan launch go ahead??
[16:03] <eroomde> nope
[16:03] <eroomde> dave said it was too windy
[16:03] <mclane> ping upu -> pm
[16:03] <eroomde> but enough about upu
[16:04] <G4BWR_Mark> not surprised, twas horrible out at times. any news on rescheduling?
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[16:12] <mfa298> G4BWR_Mark: I think I saw they were planning on trying again midweek
[16:14] <G4BWR_Mark> ok thanks...
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[16:23] <daveake> yeah possibly wednesday
[16:24] <daveake> Depending on landing/wind predictions Monday morning I'll put an application in for wed or Thurs if either looks likely
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[16:53] <eroomde> kurt cobain died at my age
[16:53] <eroomde> so did amy winehouse
[16:55] <Laurenceb> happy birthday ed?
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[17:09] <Laurenceb> http://store.openpilot.org/home/21-revolution-hardware-kit.html
[17:09] <Laurenceb> nice price, pity there is no stock
[17:13] <Lunar_Lander> evening
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[18:01] <aadamson> Laurenceb, there are all kinds of alternatives to OpenPilot, in fact most of the efforts now are over on the TauLabs front
[18:01] <aadamson> #taulabs if interested
[18:01] <Laurenceb> i know
[18:01] <aadamson> ah ok
[18:01] <Laurenceb> i hang out there :P
[18:01] <aadamson> :)
[18:01] <Laurenceb> massive dramaz tho
[18:01] <aadamson> oh good
[18:01] <aadamson> always drama around OP - and it's derivatives
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[18:03] <aadamson> so I got my radio up with the DPLL, actually works better than I expected... came right up, on perfectly on frequency, also my DDS generated AFSK tones were spot on as well
[18:04] <aadamson> so DDS generated PWM tones via VCXO input to the DPLL seems to work
[18:04] <aadamson> and I even used XIN on the 4463 :) Imagine that
[18:05] <aadamson> I played with adding or subracting 1pf of capacitance on the 27mhz crystal on the DPLL, but in the end, the 10pf default was just about perfect
[18:06] <eroomde> if i ever started an open source project i'd be so bossy
[18:07] <eroomde> as so many 'let's run this with some form of democracy/anarchy' OS projects just become pissing matches on mailing lists
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[18:07] <eroomde> you see it in hackspaces too
[18:07] <eroomde> if i started a hackerspace i'd run it like a gym - you give me £30/mo, i give you access to these tools, and no I don't care what you think about putting QR codes on all the pencils
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[18:13] <amell> hmm? is ardupilot so last century now?
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[18:16] <MatB> taulabs.org looks interesting, particularly the price and availability of the f3discovery board
[18:16] <MatB> might be a good upgrade for my multiwiicopter
[18:19] <Willdude> I was thinking of taking another irc break. Maybe a bit longer
[18:19] <Willdude> Fancy a year long irc break eroomde ?
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[18:23] <mfa298> Full IRC break or just break from #ha (like you did last time?)
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[18:28] <ibanezmatt13> is there an equivalent of uint8_t in visual c++?
[18:29] <ibanezmatt13> it doesn't seem to like it
[18:29] <zyp> include stdint.h
[18:29] <mikestir> cstdint in c++
[18:29] <mikestir> but I think it's only in C++11
[18:29] <ibanezmatt13> ah right
[18:29] <mikestir> you could see if your compiler has it
[18:29] <Willdude> mfa298, full perhaps
[18:29] <ibanezmatt13> I'll have a look
[18:29] <mikestir> or just include the c header as zyp says
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[18:30] <ibanezmatt13> yeah I'll do tha
[18:30] <ibanezmatt13> solved, cheers
[18:32] Nick change: RaptorJesus_ -> RaptorJesus
[18:38] <Upu> evening
[18:38] <Upu> ping mclane
[18:38] <mclane> evening upu
[18:39] <Upu> you pung
[18:39] <mclane> I have send you a pm
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[19:15] <ibanezmatt13> how many days does it take roughly with HK post from Mitch?
[19:16] <ibanezmatt13> wrong window :P
[19:16] <Upu> 9-16
[19:16] <ibanezmatt13> oh, nvm :)
[19:16] <ibanezmatt13> thanks
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[20:07] <steve_2e0vet> hi all, can anyone shed any light on why the ublox wont initialise, it continually fails trying to set flight mode http://pastebin.com/AgJ3AXFF
[20:09] <fsphil> hehe, sizeof(uint8_t)
[20:10] <steve_2e0vet> ok... tell me more (please0
[20:10] <fsphil> the bits of code that actually talk to the gps are missing from that paste
[20:10] <steve_2e0vet> ok i'll post the full code
[20:10] <fsphil> oh I'm just easily amused. sizeof(uint8_t) is always 1
[20:11] <steve_2e0vet> http://pastebin.com/ygVtQZcQ
[20:12] <fsphil> software serial may (likely) cause you problems later
[20:13] <steve_2e0vet> i know, problem is i have been away from this for a number of months and just trying to rob some code at the moment to get something working
[20:13] <steve_2e0vet> and i lost my previous sketch that i spent months doing
[20:14] <fsphil> line 178, you probably want Serial there, not GPS
[20:14] <eroomde> that's annoying!
[20:15] <fsphil> SoftwareSerial GPS(3, 4); -- double check these are the correct pins
[20:16] <steve_2e0vet> i have RTTY sorted (again) and I have various GPS sketches some work some dont so i think the modules working
[20:16] <steve_2e0vet> yes 3 and 4 are ok
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[20:17] <steve_2e0vet> Got this out of dl-fldigi ealier with another script$GPRMC,193509.00,A,5338.58678,N,00144.61833,W,1*DFE2
[20:17] <steve_2e0vet> $GPRMC,193523.00,A,5338.58730,N,00144.61974,W,1.175,56.82,05041*9D45
[20:17] <steve_2e0vet> $GPRMC,193537.00,A,5338.58763,N,00144.61744,W,0.050,,050414,,,A*6909
[20:17] <steve_2e0vet> $GPRMC,193551.00,A,5338.58745,N,00144.61612,W,0.016,,050414,,,A*FA94
[20:17] <steve_2e0vet> $GPRMC,193605.00,A,5338.58732,N,00144.61554,W,0.044,,050414,,,A2*44A2
[20:18] <fsphil> you have two variables, GPS and gps
[20:18] <fsphil> don't do that :)
[20:18] <steve_2e0vet> but would it stop it from working?
[20:18] <steve_2e0vet> theres good practice and there is "I want to get it working"
[20:20] <fsphil> no it'll work, but it's terribly confusing
[20:21] <steve_2e0vet> agreed I have changed them
[20:21] <fsphil> what error are you getting?
[20:22] <steve_2e0vet> no error, its lines 56-60 that are the problem it wont set flight mode so just loops
[20:22] <steve_2e0vet> 53-60
[20:23] <fsphil> what gets printed?
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[20:24] <steve_2e0vet> B562624240FFFF63000010270050FA0FA06402C10000000000000016DC * Reading ACK response: (FAILED!)
[20:24] Last message repeated 3 time(s).
[20:24] <steve_2e0vet> etc etc
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[20:27] <fsphil> B5 62 62 <-- this hex sequence doesn't seem to appear in the code
[20:27] <steve_2e0vet> in what code? (I'm still a total noob 18 months on)
[20:27] <fsphil> your code :)
[20:27] <craag> This is why POP1 was a little keen to get back to mother earth: http://i.imgur.com/m8YQrJG.jpg
[20:28] <steve_2e0vet> nce
[20:28] <steve_2e0vet> nice even
[20:28] <fsphil> did you fix line 178?
[20:28] <fsphil> ooch
[20:28] <gonzo___> I saw popeye's last frame looked like a bit of tree. Did it get retrieved ok?
[20:28] <steve_2e0vet> yes the GPS to Serial
[20:28] <craag> gonzo___: Yeah, it was 2 ft off the ground :)
[20:28] <SIbot> In real units: 2 ft = 0.61 m
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[20:28] <fsphil> love Chris's expression
[20:30] <LeoBodnar> madness... i find the whole HAB scene codebase an eclectic mix of useless high level structuredness and bizarre hex number nonsense...
[20:31] <ulfr> heh
[20:32] <fsphil> not the whole HAB scene surely :)
[20:32] <LeoBodnar> why not at least break up UBLOX statements into some meaningful parameters
[20:33] <LeoBodnar> and for god's sake don't hardcode checksums
[20:33] <steve_2e0vet> im about to start again from scratch
[20:33] <Laurenceb> somewhere i have a ubx library that handles this...
[20:33] <Laurenceb> but just code your own ffs :P
[20:33] <LeoBodnar> indeed
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[20:35] <fsphil> steve_2e0vet: possibly a good idea. I'd be reluctant to fly that code
[20:35] <fsphil> actually not reluctant. I just wouldn't :)
[20:36] <steve_2e0vet> lol
[20:36] <Laurenceb> #include <SoftwareSerial.h>
[20:36] <Laurenceb> uh oh
[20:36] <fsphil> yea lol
[20:37] <steve_2e0vet> which sentances do pople tend to use specific ones or all (thats in relation to the GPS)
[20:37] <steve_2e0vet> i need a new keyboard
[20:38] <eroomde> GGA is really all you need
[20:38] <eroomde> lat, lon, alt, number of visible sats
[20:38] <eroomde> etc
[20:39] <steve_2e0vet> ok well i have got a load of gps data pumping out at the moment so next step is to try and stop the sentences that i dont need
[20:39] <gonzo___> craag, Ah that's good. It looked like it was in a private garden.
[20:39] <fsphil> I never understood why people do that. just ignore the sentences you don't need
[20:39] <eroomde> mo interrupts
[20:40] <gonzo___> you still end up with the same number of interrupts, un less you can turn off the gps sending them
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[20:41] <gonzo___> but even processing them oaa should not have that much impact
[20:41] <gonzo___> akk
[20:41] <fsphil> maybe, but I doubt most of these programs are so tight with resources that they'd notice. or even use interrupts to begin with
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[20:44] <steve_2e0vet> is there a decent book about to learn arduino programming?
[20:44] <Lunar_Lander> ah I know not really a book, but a video series on youtube
[20:44] <Lunar_Lander> it's by jeremy blum
[20:45] <steve_2e0vet> cheers for that
[20:45] <Lunar_Lander> http://www.jeremyblum.com/
[20:45] <Lunar_Lander> you are welcome
[20:45] <craag> Evening Lunar_Lander
[20:45] <Lunar_Lander> evening craag
[20:45] <Lunar_Lander> how's life?
[20:45] <craag> Good
[20:45] <craag> tired
[20:45] <fsphil> steve_2e0vet: I'd suggest starting with just a basic working program that can transmit rtty
[20:45] <craag> Launch today went well though :)
[20:45] <fsphil> then add GPS (not software serial!)
[20:46] <craag> http://imgur.com/a/qDDbM
[20:46] <fsphil> you can send your messages through rtty
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[20:47] <Lunar_Lander> craag, cool! nice to see a friend of our balloon team was there
[20:47] <steve_2e0vet> its a start http://imgur.com/Tcfpev7
[20:47] <Lunar_Lander> first photo, rightmost person in the red jacket looks strikingly like someone I know
[20:47] <Lunar_Lander> :P
[20:48] <craag> Lunar_Lander: It's matt brezja
[20:48] <Lunar_Lander> oh :P
[20:48] <Lunar_Lander> sorry :)
[20:48] <Lunar_Lander> cool on-site soldering!
[20:48] <jeffewil> hi, is there any trick to calculating the UBX checksum for GPS? Can't seem to make it add up
[20:48] <Lunar_Lander> what were the small eggs for?
[20:49] <steve_2e0vet> i thought the software serial was just for debugging i have the GPS on 0 & 1
[20:49] <jeffewil> Sorry - can some one help me with GPS configuration
[20:49] <fsphil> steve_2e0vet: in your code you have gps on software serial
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[20:50] <craag> Lunar_Lander: We launched one in front of the camera to see what would happen - I won't comment now as video has yet to be released - but it's cool ;)
[20:50] <Lunar_Lander> ah :)
[20:50] <steve_2e0vet> fsphil I've moved on from that now im looking at this one http://pastebin.com/wGS63f6j
[20:51] <mikestir> jeffewil: the UBX binary protocol or UBX NMEA extensions?
[20:51] <Lunar_Lander> craag, earlier I embarged on a very special flight
[20:51] <Lunar_Lander> it ended quite quick
[20:51] <Lunar_Lander> http://s.gullipics.com/image/v/9/q/5yv9r7-k6158l-vwnw/EngiAO2Fail.png
[20:51] <Lunar_Lander> there
[20:51] <craag> hehe
[20:51] <jeffewil> mikestir: the binary protocol I think
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[20:52] <fsphil> steve_2e0vet: ok that's better
[20:52] <steve_2e0vet> fsphil i just need to try and work out how to get the sentence into the proper format
[20:53] <mikestir> jeffewil: you need two nested counters. the first byte is just a simple checksum of the buffer, the second byte is the accumulation of the first byte
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[20:53] <mikestir> there's example code in the ublox protocol spec document
[20:55] <jeffewil> mikestir: I'm looking at that now - What does it mean by masking the counters by 0xFF
[20:55] <mikestir> just means they are 8-bit counters
[20:55] <mikestir> if you use uint8_t variables then you won't need to worry about masking
[20:56] <fsphil> I've used this cryptic code to calculate it: ck_b += ck_a += b;
[20:56] <fsphil> b is each byte in the packet, excluding the first two
[20:57] <jeffewil> I'm not coding in C, - I think my error is the 8 bit counter
[20:57] <mikestir> what language?
[20:57] <fsphil> yea if you're not using an 8-bit variable or masking it then it won't work
[20:58] <jeffewil> It will by Python, but I'm currently trying to code it in VBA so I can understand it
[20:58] <jeffewil> What is masking?
[20:59] <mikestir> bitwise AND
[20:59] <mikestir> so in python (and C) n & 0xff
[20:59] <mikestir> no idea what you'd do in VBA!
[20:59] <mikestir> presumably that, or the word 'and'
[20:59] Action: fsphil hides
[21:01] <fsphil> yea it's 'and'
[21:01] <fsphil> 0xFF = 255
[21:01] <fsphil> which in binary is 11111111
[21:01] <jeffewil> Thanks, I;ll give it a try - I think VBA might be more trouble than it's worth
[21:01] <fsphil> when you AND any value with this, the result is only the lowest 8-bits of your value
[21:01] <fsphil> VB is *always* more trouble than it's worth
[21:03] <gonzo___> high level languages are not really a good choice for flight code
[21:04] <fsphil> python doesn't do too badly
[21:04] <jeffewil> fsphil presumably the Mod operator would achieve this
[21:04] <fsphil> jeffewil: yes
[21:04] <jeffewil> Hmmmm.......
[21:04] <fsphil> mod 256
[21:04] <jeffewil> That I can do!
[21:04] <fsphil> but the and operator is there too
[21:04] <fsphil> and 255
[21:05] <fsphil> same thing
[21:05] <fsphil> probably quicker
[21:05] <fsphil> though vb, hard to tell
[21:05] <mikestir> I was going to say that, but then I remembered VBA
[21:06] <fsphil> (you may be able to tell I don't like VB -- from having to work with a lot of old VB code at work)
[21:06] <jeffewil> It works!
[21:06] <fsphil> that's no excuse :)
[21:06] <fsphil> or do you mean your crc code works? :)
[21:06] <jeffewil> I was also using 255 as the divisor which didn't help
[21:06] <jeffewil> the CRC works...
[21:06] <fsphil> nice
[21:06] <jeffewil> Thanks for your help
[21:06] <mikestir> my hatred of VB comes from having to hack together overcomplicated excel spreadsheets for my mrs's work when they should really have been using a database
[21:07] <jeffewil> Yes - the same reason why I know anything about it at all
[21:07] <fsphil> I feel your pain
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[21:11] <jeffewil> hang on - why should it be 256 not 255?
[21:11] <mikestir> mod is the remainder after division, so it wraps at one less than 256
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[21:13] <mikestir> or rather it wraps at 256, so you never get a value greater than 255 as a result
[21:14] <fsphil> easier if you look at it in hex or binary
[21:14] <fsphil> 256 is 0x100
[21:14] <fsphil> if you mod it by 0x100, you get 0x00-0xFF
[21:14] <fsphil> divide it even, the remainder will be 0x00-0xFF
[21:18] <jeffewil> I think I understand....
[21:18] <jeffewil> I'll get out the pen and paper...
[21:18] <ulfr> it's kind of, you count from 0 to 255 instead of from 1 to 256
[21:19] <ulfr> It gets very confusing sometimes...
[21:19] <mikestir> think of it in decimal - if you have 2 digits the highest number you can represent is 99, and you would enforce this by using mod 100
[21:19] <mikestir> what you have here is the same except you are restricting it to 8 digits when written in binary
[21:20] <ulfr> Because you read 0 as a value, basically..
[21:20] <jeffewil> Now I get it! - the 99 decimal example.\
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[21:20] <jeffewil> :)
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[21:21] <LeoBodnar> normal clock is time mod 24 hours
[21:22] <LeoBodnar> *military clock
[21:22] <LeoBodnar> normal is time mod 12 hours
[21:22] <jeffewil> ?
[21:24] <mikestir> there's nothing magical about different number bases. It's just the number at which you start a new digit. The rules of arithmetic don't change at all.
[21:25] <Laurenceb> military clock?
[21:25] <jeffewil> starting with 0 rather than 1...?
[21:25] Action: SpeedEvil passes mikestir non-integer complex bases.
[21:25] <Laurenceb> "THE TIME IS NOW 10:25PM SIR YES SIR"
[21:26] <UKC_WTM5> Hey guys
[21:26] <SpeedEvil> There could in principle be girls here.
[21:26] <steve_2e0vet> does the following pull in any particular sentence from the ublox or just poll it $PUBX,00*33
[21:26] <SpeedEvil> Also - holy shit - 166 users.
[21:27] <LeoBodnar> private Laurenceb your potato peeling shift starts at 2300
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[21:29] <UKC_WTM5_> We launched a payload off Kent Uni on Friday.. I think I have managed to find it, I'm getting a very high signal (2 red lines on the cheap rtl-sdr dongle) right next to a massive evergreen tree... I have a feeling its in the top of the tree, i checked with binoculars but can't see it... Would anyone here roughly know the range between the NTX2B and the cheap rtl-sdr dongle if 2 red lines
[21:29] <UKC_WTM5_> are showing in SDR#?
[21:29] <aadamson> Upu, ping?
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[21:30] <UKC_WTM5_> And thanks to people trying to track it! Unfortunately the GPS didn't lock (for unknown reasons) so we have been usingtriangulation
[21:31] <aadamson> quick question for anyone in the know... The thor16 implementation that Upu has used, it's a 15.625 baud implementation, and because I forced myself to forget all the AVR stuff,
[21:31] <aadamson> is the interrupt on the timer set for 15.625hz?
[21:31] <aadamson> it appears it is
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[21:31] <aadamson> 64ms
[21:32] <mikestir> UKC_WTM5_: you need to get some bearings from a few different places to triangulate
[21:32] <mikestir> a total guess on range isn't going to be very helpful
[21:34] <mfa298> I've had strong signals on a radio from a payload in a tree from several km distance.
[21:34] <Willdude> Are you thinking what I'm thinking? http://hackaday.com/2014/04/04/powering-a-rpi-with-hydrogen/
[21:34] <eroomde> yeah Willdude
[21:34] <eroomde> there are way too many RPi articles on hacladay
[21:35] <Willdude> Wait that would be difficult
[21:35] <UKC_WTM5_> Thanks guys, we do have bearings and I've done some triangulation on a map all pointing to the same tree... but I couldn't see it so still a bit skeptical
[21:35] <Willdude> And pointless
[21:36] <LeoBodnar> it's not really a "hack" it's just combination of two pointless technologies
[21:36] <eroomde> i love the 2nd comment
[21:36] <eroomde> http://hackaday.com/2014/04/05/web-interface-for-the-fram-launchpad/#comments
[21:36] <eroomde> someone having an awakening
[21:36] <mikestir> UKC_WTM5_: if you think you are on top of it then you need to verify that by reducing your receiver sensitivity (like by taking the antenna off and seeing if you can still hear it)
[21:36] <Laurenceb> hackaday is full of trolls :P
[21:37] <Willdude> eroomde, I've not got much better to do than read hackaday despite the fact it gets a bit boring
[21:38] <mfa298> UKC_WTM5_: also if you can reduce the receiver sensitivity you can do bearing from much closer in - although you might be better off with a simpler antenna and search for nulls instead of strong signals
[21:39] <UKC_WTM5_> Right, I didn't think of that at the time... the batteries ran out earlier today.. I was only getting the strong signal if i pointed the antenna at a very specific angle
[21:39] <UKC_WTM5_> but might try to go back tomorrow morning and see if I can find out some more based on my triangluation off other readings
[21:39] <mfa298> Willdude: I'm sure there's plenty of stuff you can do rather than being bored reading hackaday
[21:40] <mikestir> UKC_WTM5_: is this tree in open space?
[21:40] <Willdude> mfa298 I guess I could be bored reading reddit, or be bored reading gizmodo
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[21:41] <eroomde> someone has cracked the problem of good facial hair
[21:41] <eroomde> http://i.imgur.com/smVCJ0U.jpg
[21:41] <mfa298> Willdude: wern't you complaining a while ago that you didn't have enough time to do all the projects you wanted to do (build a payload, learn networking, ...)
[21:41] <LeoBodnar> Willdude: neither constitutes "reading"
[21:41] <Willdude> I suppose
[21:42] <UKC_WTM5_> https://www.google.co.uk/maps/dir/51.3086888,1.1354247/51.308911,1.1359547/@51.3085818,1.1365127,306m/data=!3m1!1e3!4m4!4m3!1m0!1m0!3e2
[21:42] <UKC_WTM5_> I think it's that tree, but its too tall to confirm visually
[21:42] <Willdude> mfa298, there are reasons that I'm losing interest in stuff I used to be interested in but I'm not really comfortable talking about them. (sort of an "it's not you, it's me")
[21:43] <UKC_WTM5_> I have been in all the gardens surrounding that house as well
[21:43] <UKC_WTM5_> (with permission)
[21:45] <mikestir> try again with attenuation. also tune to the harmonics to see if you can hear anything there - you are very close if you can
[21:46] <Willdude> "Sometimes recent OS like Windows 2000 causes it" you know you're using old software when you see that in a readme/changelog
[21:48] <fsphil> or the changelog is written on a stone tablet
[21:50] <UKC_WTM5_> mikestir: unfortunately the battery is dead now... this is as far as i got: http://maarseveent.com/private/t.jpg
[21:50] <UKC_WTM5_> Sorry the picture isnt very clear
[21:52] <fsphil> not a huge area to search
[21:52] <LeoBodnar> changelog is a warning flag on a fireplace
[21:52] <fsphil> how far away where you receiving it UKC_WTM5_ ?
[21:52] <Upu> UKC_WTM5 what was the pre launch prediction ?
[21:53] <fsphil> if it was being received a few km away, it may be up high
[21:53] <UKC_WTM5_> about 500ft away I still received a very faint signal from various directions
[21:53] <SIbot> In real units: 500 ft = 152 m
[21:53] <UKC_WTM5_> the prediction was in the fields behind these houses...
[21:54] <LeoBodnar> do you have directional antenna UKC_WTM5_ ?
[21:54] <mikestir> with the yagi?
[21:54] <UKC_WTM5_> but it came down a bit earlier
[21:54] <UKC_WTM5_> 1/4 wave ground plane with the rtl-sdr.. i wasn't relying on it but the gps for some reason didnt lock, which never happened before
[21:54] <UKC_WTM5_> so i was left with triangluation
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[21:55] <UKC_WTM5_> i was using the rtl-sdr dongle with an aerial antenna
[21:56] <LeoBodnar> triangulation with omni antenna?!!
[21:57] <LeoBodnar> build a simple yagi from a broomstick and coathangers
[21:57] <Upu> battery is dead too late for that
[21:57] <mikestir> so how did you get those bearings if you were using an omni?
[21:58] <UKC_WTM5_> sorry i meant yagi, i believe i might have mixed the 2 up
[21:59] <mikestir> so you got 150m with a yagi?
[21:59] <UKC_WTM5_> we had a folded dipole so it wouldnt have been a aerial
[21:59] <UKC_WTM5_> an* aerial right?
[21:59] <fsphil> it sounds like it's on the ground
[21:59] <fsphil> actual ground, not on a tree or roof
[21:59] <mikestir> I agree
[22:00] <mikestir> either that or the antenna got ripped off
[22:00] <UKC_WTM5_> hmmm, in which case i might have been looking in the wrong locations... i got confused because i believed the signal was being bounched off by buildings
[22:00] <fsphil> you're quite fortunate the prediction got you close enough to receive it
[22:00] <ulfr> with two antennas and two receivers you can listen for "rebounce"
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[22:01] <Upu> did it have contact details on it ?
[22:01] <fsphil> it can reflect of buildings but you've got a fair few lines going through the same area
[22:01] <UKC_WTM5_> yes i believe the prediction was very close
[22:01] <UKC_WTM5_> its got my number and email on all sides
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[22:01] <UKC_WTM5_> it was covered in ductt tape
[22:02] <UKC_WTM5_> i think we tried to live stream the entire thing as well but not sure how that went as i was busy filling the balloon
[22:02] <ulfr> heh
[22:02] <ulfr> happens
[22:03] <ulfr> redundancy is also good if the payload needs retrieval
[22:03] <UKC_WTM5_> if it was in a forest would i still be able to pick up the signal from outside the forest? would it be bounched off by the trees?
[22:03] <ulfr> no
[22:03] <UKC_WTM5_> right
[22:03] <ulfr> unless you're in the SHF or higher
[22:03] <UKC_WTM5_> 434.125m
[22:03] <ulfr> could bounce off by the water particles within trees.
[22:03] <UKC_WTM5_> so no
[22:03] <fsphil> if it had been in a tree the range would have increased quite a bit
[22:03] <UKC_WTM5_> hmm
[22:04] <ulfr> it can attunate the signal tho
[22:04] <LeoBodnar> take antenna off and find the maximum of the signal
[22:04] <LeoBodnar> then pick your payload up
[22:04] <ulfr> Also
[22:04] <fsphil> I've had payloads land in a forest, and still received the signal from about 10km away
[22:04] <ulfr> A dipole has a special curve
[22:04] <UKC_WTM5_> Oh wow
[22:05] <UKC_WTM5_> Hmmm, if I can think of any alternative landing spots from my bearings I might go back tomorrow
[22:05] <ulfr> when you're pointing directly at it (given a 1/2 wave dipole) you should recieve less signal then being 45° to the signal
[22:05] <LeoBodnar> signal can bounce off things but this will not make it stronger
[22:05] <ulfr> It should attenuate
[22:05] <ulfr> http://upload.wikimedia.org/wikipedia/commons/thumb/8/81/VFPt_dipole_point.svg/250px-VFPt_dipole_point.svg.png
[22:05] <ulfr> this probably clears it up a bit better
[22:06] <ulfr> the middle is the "connection joints" on the dipole
[22:06] <ulfr> the ends have attenuation, and the middle has a "dead" zone
[22:06] <UKC_WTM5_> Riight i see where you're coming from
[22:06] <ulfr> Yes, I'm from Iceland.
[22:06] <ulfr> :D
[22:06] <UKC_WTM5_> haha
[22:07] <ulfr> sorry, it was rude to make fun of your language. haha
[22:07] <fsphil> hey we do all the time :)
[22:07] <ulfr> yeah
[22:07] <UKC_WTM5_> Thats okay haha, just very tired at the moment! been messing around trying to pinpoint my payload for over 24 hours now ;)
[22:07] Action: ulfr is heat testing his payload at the moment
[22:07] <mikestir> you can get misleading bearings in a built up area, e.g. you may have a good reflected path off a building, but a poor direct path
[22:08] <ulfr> UKC_WTM5_: You might make a simple Yagi antenna
[22:08] <UKC_WTM5_> Yeah, the batteries are dead now though.. so for my next payload i know what to avoid now
[22:08] Action: mikestir remembers a 2m DF hunt where the fox had been deliberately located under a motorway flyover with a small yagi pointing at a gasometer half a mile away
[22:08] <ulfr> hahahaha
[22:08] <fsphil> lol
[22:08] <UKC_WTM5_> lol
[22:08] <fsphil> evil
[22:08] <ulfr> pranksters
[22:09] <ulfr> some recoveries are tougher than others.
[22:10] <ulfr> http://skywardsphere.weebly.com/main-flight-recovery-images.html
[22:10] <ulfr> this took 14 hours iirc
[22:11] <mfa298> UKC_WTM5_: range tends to depend a lot on Line of Sight. In this example one tracking station recieved the tracker before it was launched (tracker was 15 miles away) and was still getting data after the payload landed in a tree (even further away). https://www.philcrump.co.uk/CRAAG1_Camera_Launch_26th_November
[22:12] <UKC_WTM5_> ulfr: looks like your weather conditions were slightly worse than mine! looks like fun!
[22:12] <ulfr> UKC_WTM5_: it was fun yes...
[22:12] <ulfr> But did take alot of energy
[22:13] <UKC_WTM5_> mfa298: thanks, reading now
[22:13] <fsphil> http://skywardsphere.weebly.com/uploads/1/1/9/1/11918025/4624994_orig.jpg
[22:13] <fsphil> angry face :)
[22:14] <fsphil> "What do you mean he ate my cake? That was my cake! MINE!"
[22:14] <ulfr> haha
[22:15] <UKC_WTM5_> haha, thanks guys! will let you know if i (ever) find it!
[22:16] <fsphil> good luck!
[22:16] <ulfr> pinpoint your search area and walk in circles...
[22:17] <ulfr> You'll find it eventually.
[22:17] <ulfr> Well, I think I'll head home, and let my payload heat up a bit over the night.
[22:18] <ulfr> check the temp readouts tomorrow morning...
[22:18] <UKC_WTM5_> Thanks! i hope so!
[22:18] <UKC_WTM5_> good luck too!
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[22:46] Nick change: RaptorJesus -> HarryPotter
[22:46] Nick change: HarryPotter -> RaptorJesus
[22:47] Nick change: RaptorJesus -> MmmmmDrugs
[22:47] Nick change: MmmmmDrugs -> StoneyPothead
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[22:57] <steve_2e0vet> is any one familar with TinyGPS
[22:57] <kc2pit> A little bit, yeah.
[22:58] <steve_2e0vet> Im having terrible problems getting my head round it
[22:59] <steve_2e0vet> any idea why the folloing statement wouldnt get a true value
[22:59] <steve_2e0vet> if (gps.encode(c))
[22:59] <steve_2e0vet> {
[22:59] <steve_2e0vet> // process new gps info here
[22:59] <steve_2e0vet> }
[23:00] <kc2pit> gps.encode(c) only returns true if c finished off an NMEA sentence.
[23:00] <steve_2e0vet> how does it determine if its a finished?
[23:01] <kc2pit> Or rather, if parsing c caused it to know something new about its state, which isn't identical to finishing an NMEA sentence.
[23:02] <kc2pit> It knows the structure of at least a couple standard sentence types.
[23:02] <steve_2e0vet> Ive got this code http://pastebin.com/tbqWHX3N and the only way out of the loop i can see is the break at line 21
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[23:02] <steve_2e0vet> but line 18 is never true
[23:04] <kc2pit> If the sentences don't contain a valid fix, like if you're testing your code indoors and the GPS can't see satellites, then it won't.
[23:05] <steve_2e0vet> oh ok. yes its not getting a fix (im in the garage)
[23:06] <kc2pit> Yeah, maybe log some valid sentences to a text file and paste them into a serial console to imitate a happy GPS, if going outside is too much trouble.
[23:06] <steve_2e0vet> this is what i am getting
[23:06] <steve_2e0vet> $PUBX,00,013140.00,0000.00000,N,00000.00000,E,0.000,NF,5427208,3757133,0.000,0.00,0.000,,99.99,99.99,99.99,0,0,0*22
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[23:08] <steve_2e0vet> what would determine if it had a full sentence would it be the $GPGAA at the begining
[23:09] <kc2pit> Also, I don't think the regular TinyGPS knows $PUBX. It looks like somebody's written a version that does.
[23:09] <kc2pit> "The NMEA sentences must report valid data. If the $GPRMC sentence reports a validity of V (void) instead of A (active), or if the $GPGGA sentence reports fix type 03 (no fix) then those sentences are discarded."
[23:09] <steve_2e0vet> yeah this is someone elses code that i am trying to get working
[23:10] <kc2pit> Oh joy.
[23:10] <steve_2e0vet> im new to all this so no way could i write one from scratch
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[23:11] <steve_2e0vet> what would this command do Serial.println("$PUBX,00*33"); I dont suppose it is a command telling the GPS to return a particular string?
[23:12] <kc2pit> Probably.
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[23:12] <kc2pit> Some kind of configuration command anyway, I think.
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[23:12] <steve_2e0vet> thought about changing it to Serial.println("$GPGGA,00*33"); just a wild guess lol
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[23:15] <kc2pit> It looks like $Pxxx are manufacturer-proprietary commands, UBX is ublox, and 00 tells it to output lat/lon data. The *33 is a checksum.
[23:16] <steve_2e0vet> ok thanks which is why my previous idea didnt work
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[23:20] <Babs_> steve_2e0vet - if you have a ubx i would just use the ubx protocol to probe the chip
[23:20] <Babs_> i'm a total beginner at coding but got my head around it in a couple of weeks
[23:20] <steve_2e0vet> i think im doing that
[23:21] <Babs_> just poll the ubx for what you need and it spits it out
[23:21] <steve_2e0vet> do you have an example of a line of code that does it
[23:22] <steve_2e0vet> at the moment i am doing Serial.println("$PUBX,00*33")
[23:22] <Babs_> http://pastie.org/8997299
[23:23] <Babs_> its a bit clunky and works off jcoxon upu and fsphil's code but uses the ubx protocol to probe for all of the key variables you will need
[23:24] <steve_2e0vet> at the moment mine is returning $PUBX,00,014815.00,0000.00000,N,00000.00000,E,0.000,NF,5507158,3761430,0.000,0.00,0.000,,99.99,99.99,99.99,0,0,0*2A
[23:24] <steve_2e0vet> but for some reason its not valid
[23:24] <steve_2e0vet> i'll taker a look at that code
[23:24] <steve_2e0vet> thanks
[23:24] <Babs_> no worries.
[23:24] <Babs_> do you have the ublox manual?
[23:25] <steve_2e0vet> no - dont do manuals lol but think i might take a look at it
[23:25] <Babs_> its the easiest way. breaks all of the protocols and commands down
[23:25] <steve_2e0vet> i dont suppose that bit of codes transmits using the NTX2 as well
[23:25] <kc2pit> The sentence structure might be valid, but the fix data isn't. TinyGPS will discard that.
[23:28] <steve_2e0vet> ive printed that code, so will read it in the morning
[23:34] <Babs_> the code doesn't transmit using the NTX2, thats my next stage. But breaking down each of the variables (lat long, fix etc.) should mean it is relatively easy to make them back up into a string that you can use in the ntx-2 example
[23:36] <steve_2e0vet> i notice its for the ublox 7 will it still work with ublox6
[23:36] <steve_2e0vet> think we might be at about the same place then
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[23:40] <steve_2e0vet> Babs_ whare will i get the manual from ?
[23:41] <steve_2e0vet> *where
[23:41] <Babs_> https://www.u-blox.com/images/downloads/Product_Docs/u-blox7-V14_ReceiverDescriptionProtocolSpec_Public_%28GPS.G7-SW-12001%29.pdf
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[23:47] <steve_2e0vet> thanks, I hope its the same as the ublox MAX6Q
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[23:49] <Babs_> its all the same
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[00:00] --- Sun Apr 6 2014