highaltitude.log.20100717

[00:03] <Laurenceb> SpeedEvil: http://www.hottackle.com/product_info.php?products_id=6436
[00:04] <Laurenceb> ^ fishing line made from PBO fibre
[00:12] Laurenceb (~laurence@host86-136-234-149.range86-136.btcentralplus.com) left irc: Remote host closed the connection
[00:16] <natrium42> naudin is a well known crackpot
[00:16] <natrium42> jonsowman, did you fix it?
[00:27] <SpeedEvil> Interesting.
[00:27] <SpeedEvil> Also - pong from last night
[00:27] <SpeedEvil> well - a couple of nights ago
[00:27] <SpeedEvil> Debating with crackpots can be useful
[00:28] <SpeedEvil> It can harden your knowledge of a topic to debate it.
[00:36] <natrium42> Matt_soton / jonsowman, there?
[00:54] <Randomskk> they are asleep
[00:54] <Randomskk> wake at 0530
[00:54] <Randomskk> so am I, but I'm more hardcore
[00:55] <Randomskk> but I'm around and speaking to them soon and such, what's up?
[00:55] <Randomskk> we broke the power in the room we were in
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[00:57] <natrium42> Randomskk, they need to use ; as a separator in their custom field
[00:57] <natrium42> example: APEX,285,21:57:17,5212.4558,00007.2076,23,000,000,06;19.88;19.88;D13;8D9;0000;0000;000000005;25*39B3
[00:57] <natrium42> also, i am not sure about formula for pressure calculation and voltage calculation
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[01:14] <natrium42> ok, i just did
[01:15] <natrium42> pressure = value/3.312
[01:15] <natrium42> voltage = 10*value/4096
[01:15] <natrium42> not sure if it's right or not
[01:20] <Randomskk> cool okay
[01:21] <Randomskk> will confirm with him tomorrow
[01:21] <Randomskk> don't think he can change the separator before launch
[01:21] <Randomskk> how critical is that?
[01:24] <natrium42> custom fields won't get sent to spacenear.us tracker if he uses commas
[01:24] <natrium42> not sure how hard it is to change rob's dl server to work with commas
[01:25] <natrium42> the custom field is one field in the xml file, so you need to use different separators inside of it
[01:38] <Randomskk> okay will tell him
[01:38] <Randomskk> sleep now, I'll let him know in the am, hopefully have enough time to fix
[01:41] <natrium42> kk, nite
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[06:00] <griffonbot> @adamgreig: Up and running nice and early for #apex2 #ukhas [http://twitter.com/adamgreig/status/18743578654]
[06:02] <natrium42> \o/
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[06:26] <Randomskk> "nice" and early
[06:28] <Randomskk> we are going back to the old xml with lots of entries rather than change the tranmitted telem
[06:31] <natrium42> alright
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[06:54] <m1x10> morning
[07:00] <Randomskk> yo
[07:02] <natrium42> hi
[07:06] <m1x10> I've spotted the RadioShield
[07:06] <m1x10> try to unserstand if it does AFSK demodulation and AX.25 frame decoding
[07:09] <Randomskk> natrium42: ping
[07:09] <natrium42> pong
[07:09] <Randomskk> can we have the dynamic predictor enabled for apex please?
[07:09] <natrium42> oh, sure
[07:10] <Randomskk> thank you
[07:10] <natrium42> what's expected ascent & descent rates and burst altitude?
[07:11] <Randomskk> ascent 5-6m/s
[07:11] <Randomskk> descent 5m/s
[07:11] <Randomskk> burst 33km
[07:11] <natrium42> alright
[07:12] <natrium42> should i clear horus?
[07:13] <Randomskk> yes please natrium42
[07:14] <natrium42> omg, chase-vk5vci : 1337 positions
[07:15] <Randomskk> blimey
[07:17] <natrium42> done
[07:19] <Randomskk> thank you
[07:21] <natrium42> np, good luck with the launch!
[07:26] <Randomskk> thank you, est 8.30 launch
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[07:53] <juxta> hi all
[07:54] <juxta> ben_apex: sure, it should be compatible - just edit the config and put in the correct serial port
[07:57] <Randomskk> juxta: hi
[07:57] <Randomskk> need you
[07:57] <Randomskk> chase car thing
[07:57] <juxta> sure
[07:57] <Randomskk> how does I post gps
[07:57] <juxta> what's up?
[07:57] <Randomskk> can't get java working it seems
[07:57] <Randomskk> well I could but it's weird
[07:57] <Randomskk> linux
[07:57] <juxta> oh
[07:57] <Randomskk> but is it simple to hack in python?
[07:57] <juxta> yep
[07:57] <Randomskk> I can read serial
[07:57] <juxta> 2 secs
[07:58] <juxta> Randomskk: pm
[07:58] <Randomskk> thanks
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[08:06] <juxta> afk for a little while
[08:22] <G8DSU> Morning all. Is anybody going to be streaming video of the launch today?
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[08:31] <fsphil> eek, 8:30 launch?
[08:31] <g8tmv> utc?
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[08:35] <fsphil> e-mail didn't say, assuming BST
[08:36] <fsphil> looks like it's being transported to the field now
[08:36] <fsphil> the chase car is on the move too
[08:36] <G8DSU> Earlier announcement was for 09:00-10:00 BST, so I also assume BST.
[08:38] <fsphil> unless the payload is in the chasecar, and the gps in the two are off a bit
[08:48] <Randomskk> https://randomskk.net/apex2/
[08:48] <Randomskk> sensor readings
[08:48] <Randomskk> in chasecar here
[08:48] <Randomskk> payload on field
[08:49] <Randomskk> about to launch
[08:49] <Randomskk> just finished hacking those graphs up
[08:49] <G8DSU> Neat!
[08:51] <m6lep> tracker frequency on dial?
[08:52] <Randomskk> 43407600
[08:53] <m6lep> thanks
[08:53] <g8tmv> morning Rick
[08:56] <m6lep> hiya. busy day ahead...
[08:57] <g8tmv> indeed, I woke up late so didn't get the clansman out
[08:58] <g8tmv> ok, I'm set for tracking, but only on an indoor helical
[09:07] <m6lep> set, too, I hope. Wonder what the delay is? The position showing is, I guess, still indoors...
[09:08] <g8tmv> filling maybe
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[09:10] <M0VFC> Morning all; Apex II still on the ground I assume?
[09:10] <g8tmv> yup, according to the tracker
[09:10] <M0VFC> ah, morning Colin :-)
[09:11] <g8tmv> Hi Rob
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[09:11] <g8tmv> I'm not going to be much help today, working from the helical on the 817 - don't have time for a propper setup since I've a wedding to go to
[09:11] <g8tmv> Rob, are you using flossie?
[09:12] <M0VFC> ah, sadly not - give me another month and I will!
[09:12] <M0VFC> (Flossie = http://www.flickr.com/photos/rmc47/4686560952/ for those wondering)
[09:13] <g8tmv> that would be good, count me in when you do
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[09:13] <G8DSU> Looks like they're moving to the launch position...
[09:13] <g8tmv> Ah yes
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[09:13] <M0VFC> ok, starting to hear telemetry on 434.074.3 now
[09:16] <M0VFC> ooh, that's launched
[09:16] <M0VFC> S9
[09:16] <G3VZV_Graham> its stopped
[09:16] <G3VZV_Graham> its started again with 300bd
[09:16] <M0VFC> seems to be in periods - tone, data, tone, data, pause
[09:17] <g8tmv> right I've got it - remember it's supposed to alternate 50 baud and 300 baud
[09:18] <Randomskk> we're up!
[09:18] <G3VZV_Graham> its difficult with only one frame at each speed and a gap between and it comes back on slightly different freqeuncy
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[09:19] <G8DSU> Receiving in Twickenham but not yet decoding...
[09:20] <griffonbot> @apex_ii: graphs of live sensor data https://randomskk.net/apex2/ #apexhab #ukhas [http://twitter.com/apex_ii/status/18752979359]
[09:20] Nick change: fsphil -> fsphil|eee
[09:20] <LazyLeopard> Seeing a very strong signal but not decoding at all.
[09:21] <G3VZV_Graham> nothing deoded here either at either speed
[09:21] <G3VZV_Graham> *decoded
[09:21] <M0VFC> I can decode the latter half of each string, but keep missing the start :-)
[09:22] <g8tmv> me too - it's getting confused by the changes
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[09:22] <M0VFC> Yay, got a packet
[09:23] <M0VFC> align based on the initial solid carrier, and hopefully it's then good enough to get you the initial $$APEX
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[09:24] <G8KHW> yo - its up then
[09:24] <G8KHW> whats the format?
[09:25] <G3VZV_Graham> the shift seems low already ?400Hz?
[09:25] <Dave_fev> I had to switch to LSB instead of USB to get any data. I suspect the data may be inverted.
[09:25] <Dave_fev> Using the 300 baud setting here
[09:25] <M0VFC> Dave_fev: yes - or hit the Rv button :-)
[09:26] <Randomskk> it is lsb
[09:26] <m6lep> Ah. LSB at 43407677
[09:27] <G3VZV_Graham> ooooh
[09:27] <m6lep> That's better
[09:27] <M0VFC> frequency seems to be stabilising a little now too
[09:28] <g8tmv> yeah, lsb seems better
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[09:28] <G3VZV_Graham> pefrfect
[09:30] <G3VZV_Graham> shift now down to around 360
[09:31] <G3VZV_Graham> the break in the carrier defeats the auto freq control of fldigi tho:(
[09:32] <g8tmv> Argh! He's using the new checksum - how do you tell dl-fldigi what it is?
[09:33] <M0VFC> if you're on r112, you should be able to download the latest list of data from the server and use the apex flight profile
[09:33] <fsphil> fldigi is automatic
[09:33] <g8tmv> I'm using the latest - but I'm seeing all red data decodes
[09:34] <fsphil> can you paste an example?
[09:34] <LazyLeopard> Re-download the XML?
[09:34] <G8DSU> Yippe, got one!
[09:35] <russss> screechy noises not good for hangover
[09:35] <LazyLeopard> Another time, 300 baud after 50 baud ;)
[09:35] <M0VFC> I seem to be making it to http://www.robertharrison.org/listen/view.php, but not on to the list of listeners on the tracker page - any ideas?
[09:35] <Randomskk> g8tmv: be sure to hit autoconfigure after selecting apex
[09:36] <LazyLeopard> Frequency's drifting fast
[09:36] <fsphil> g8tmv, quick look at the listener shows the two strings you uploaded are bad - the checksum is working :)
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[09:38] <M0VFC> (oh, hang on, spacenear.us/tracker just hasn't updated since 0826UTC)
[09:38] <g8tmv> Yeah, it's the frequency drift that is killing me I think
[09:39] <russss> payload dropdown isn't working
[09:40] <fsphil> russss, dl client, refresh payload data?
[09:40] <LazyLeopard> Shift about 360 now, Frequency 4340730
[09:40] <russss> ah wait, not in online mode
[09:40] <russss> silly me
[09:40] <fsphil> ooh are you're right M0VFC
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[09:42] <LazyLeopard> Make that shift nearer 330
[09:42] <G3VZV_Graham> the break in transmission, the reducing shift and freqeuncy drift are all consipiring to make it v difficult to grab the data...
[09:42] <russss> yeah
[09:42] <russss> I keep missing the first $
[09:43] <M0VFC> yup, you have to correct it as soon as the 300 baud finishes
[09:43] <fsphil> might be wise to transmit a few more $'s in future
[09:43] <russss> not a bad plan
[09:43] <G8DSU> Or several strings in a row at each baud rate
[09:43] <russss> what's with the frequency sweep at the start
[09:43] <M0VFC> I guess that's just battery voltage instability
[09:44] <russss> set your top line to the frequency that the sweep ends on
[09:44] <russss> it'll ignore the 300 baud and then it's in the right position for the 50baud
[09:45] <LazyLeopard> Yeah. the 300 to 50 switch seems to shift the frequency slightly. Also getting some payload spin now.
[09:45] <fsphil> right, afk for a minute -- heading up the mountain :)
[09:46] <LazyLeopard> ...but frequency more stable.
[09:46] <M0VFC> am I right in thinking the two fields after the time are lat/long * 100?
[09:47] <LazyLeopard> Does seem to have a misplaced decimal point there, yes.
[09:47] <G3VZV_Graham> if you make the rtty configuration receive filter abndwidth wider - say 400 Hz it makes the drift and shift settings less critical
[09:47] <g8tmv> I'm giving up, what with no external antenna and the drift etc
[09:48] <M0VFC> G3VZV: good call
[09:49] <russss> woah, 300 baud is fun
[09:49] <russss> zoooom
[09:49] <LazyLeopard> Yeah, that helps.
[09:49] <Dave_fev> This one is certainly hard work. Need to manually tune every time.....
[09:50] <M0VFC> feature request: keep recording the last 5 seconds of the whole spectrum on a loop, allowing tuning after the fact
[09:50] <russss> my trick is to tune to the frequency that the sweep ends up at
[09:51] <M0VFC> i.e. I can click on it *after* it starts, and it'll then go back and decode the previous few seconds based on that click
[09:51] <russss> 300 baud seems no less reliable than 50 baud
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[09:51] <LazyLeopard> I guess the tracker's completely horlicksed by the mis-placed decimals in the positions
[09:52] <Randomskk> not misplaced
[09:52] <Randomskk> it is DDMM.SSSSS
[09:52] <Randomskk> tracker is okay
[09:52] <M0VFC> Randomskk: still showing it just north of the A14 for me though?
[09:52] <g8tmv> this seems like a good lesson in the "try one new thing at a time" idea - too many changes causing problems
[09:52] <M0VFC> (@0826UTC)
[09:53] <LazyLeopard> Why's it not updating the tracker?
[09:53] <Randomskk> hmm
[09:54] <G8DSU> wow 300b is the way to go!
[09:54] <russss> heh yeah
[09:54] <LazyLeopard> Yep, 300 baud comes in fine at least when the signal's strong. Of course it then produces about six lines of garbage as the 50 baud signal rolls by...
[09:54] <LazyLeopard> ;)
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[09:55] <Randomskk> eroomde: tracker is broken
[09:55] <eroomde> i noticed
[09:55] <LazyLeopard> ...and dl-fldigi r113 (which I seem to have built last night, apparently :/ ) doesn't grok the DDMM.SSS format
[09:55] <M0VFC> chase car is being tracked nicely though ;-)
[09:55] <eroomde> balloon hasn't moved for half an hour
[09:55] <G3VZV_Graham> I miss the A of Apex every time - there used to be a standrad to htransmit a few RYRYRYs at the start of every transmission to help tuning "in my day!"
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[09:56] <eroomde> do you have a soft or hard sqelch on the radio/modem G3VZV_Graham ?
[09:56] <russss> I'm decoding on 300 baud here and it doesn't even need re-tuning now
[09:56] <eroomde> so what's the latest good string seeing as the tracker is brokked
[09:56] <M0VFC> APEX,224,08:56:00,5214.3338,00033.7296,14881,044,021,10,-32.44,-33.25,066,88A,00D3,0000,4C3F20291,37*CFD5
[09:57] <G3VZV_Graham> eroomde no squelch at all..
[09:57] <eroomde> maybe we could have people strictly paste only telem strings (no other noise) into #highaltitude2
[09:57] <Randomskk> eroomde: view.php works
[09:57] <Randomskk> racker
[09:57] <M0VFC> eroomde: it's making it to view.php
[09:57] <LazyLeopard> G3VZV: Make sure SQL is off, and widen the receive filter bandwidth to about 300
[09:57] <eroomde> oh right fine
[09:58] <G3VZV_Graham> 15422 metres
[09:58] <eroomde> blimey it's fast
[09:58] <G3VZV_Graham> at 8:57:42
[09:58] <eroomde> ha that never gets old :|
[09:58] <Randomskk> nope
[09:59] <russss> heh, it tunes fine until the currentcost vomits all over my waterfall display every 2 minutes
[09:59] <Randomskk> rharrison seems okay but test.php ends in "sentence rejected : 2
[09:59] <Randomskk> "*
[09:59] <russss> that throws the AFC off
[09:59] <G8DSU> Interestingly, dlfldigi gives me a distance to the balloon of 574316.6 which, if km, is some DX!
[09:59] <eroomde> wow :)
[09:59] <eroomde> probably cm
[09:59] <Randomskk> any thoughts on tracker?
[10:00] <juxta> Randomskk: I can manually add points using the get queries if you like
[10:00] <Randomskk> chase car still updating
[10:00] <eroomde> can you 'tail -f' a url?
[10:00] <Randomskk> no
[10:00] <juxta> can be done with a bit of script
[10:00] <Randomskk> well
[10:00] <Randomskk> yea
[10:00] <Randomskk> you could script it
[10:00] <eroomde> i mean i know you can't, but i'm wondering if there's some way of replicating the functionality
[10:00] <Randomskk> but http doesn7t usually do that
[10:00] <eroomde> curl then tail -f i guess
[10:01] <Randomskk> need to keep requesting the page and just display new
[10:01] <juxta> Randomskk: are the coords broadcast from apex in pure decimal format?
[10:02] <G3VZV_Graham> 16449metres at 090106
[10:02] <Randomskk> juxta: DDMM.SSSS
[10:02] <Randomskk> tracker should get it
[10:02] <juxta> ok
[10:03] <G3VZV_Graham> 16982 at 090246
[10:03] <M0VFC> making it just north of the A14 J41 then?
[10:05] <G3VZV_Graham> shift now constant at around 290Hz and freq much more stable:)
[10:05] <Randomskk> yea it seems to have stabalised a lot
[10:06] <G3VZV_Graham> filter for 300Bd seems better out at 600Hz
[10:06] <juxta> it might be worth clearing the APEX points on the trackr?
[10:06] <G0MJW> Copying it but decoding rubbish
[10:06] <M0VFC> yup, just starting to lose it now
[10:06] <M0VFC> might be time to get the beam out...
[10:07] Action: russss is trying to get his rig control working
[10:07] <eroomde> M0VFC: rob where are you currently?
[10:07] <G3VZV_Graham> G0MJW r u using LSB and ONE stop bit?
[10:07] <G0MJW> USB as always
[10:07] <M0VFC> at home currently
[10:07] <M0VFC> available to go elsewhere if useful though...
[10:07] <G3VZV_Graham> use LSB then:)
[10:07] <eroomde> odd that you're losing it. maybe those clouds are heavier than they look
[10:07] <M0VFC> only on a colinear on the house at the moment
[10:08] <russss> I have good signal here in London
[10:08] <M0VFC> ok, that last one was much better
[10:08] <M0VFC> 10dB S/N
[10:08] <G0MJW> OK - so how come LSB?
[10:08] <eroomde> oh hold up - are they old-money latitudes and longitudes?
[10:08] <G3VZV_Graham> mjw - dunno!
[10:08] <Randomskk> yea
[10:08] <eroomde> 5217.1442,00036.1652
[10:08] <LazyLeopard> Hmmm... 300 baud gets corrupted a bit more easily than 50, as expected. Streams in nicely when it works, though.
[10:08] <eroomde> aaaaaaaaaaargh
[10:09] <russss> LazyLeopard: with intermittent interference like here, it's less likely to get hit by it
[10:09] <G3VZV_Graham> 18826m at 090845
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[10:09] <russss> if we were transmitting more 300 baud strings, the higher success rate might cancel out the increased chance of interference.
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[10:10] <juxta> eroomde: yes, they are I think
[10:10] <fsphil_> hey all, how's it going so far?
[10:10] <M0VFC> LaptopBattery!Fail
[10:10] <LazyLeopard> True. It's a trade-off.
[10:10] <Randomskk> it is DDMM.MMMM
[10:10] <eroomde> russss: or indeed if you added some FEC at 300 baud it's probably be much more robust than 50 baud as it is now
[10:10] <russss> yep
[10:10] <G8DSU> either way, a number of consecutive strings at each rate would help enormously...
[10:10] <russss> I'm all in favour of FEC
[10:10] <eroomde> and you'd still get 200baud-ish of information rate
[10:11] <juxta> eroomde: i tested continuous 300b yesteray, it worked surprisingly well, even without FEC
[10:11] <eroomde> we used to fly 300
[10:11] <eroomde> i don't know why we don't anymore really
[10:11] <juxta> oh right
[10:11] <m1x10> wow, running flight?
[10:11] <G0MJW> 300 baud much better here because of the slow fading
[10:11] <G3VZV_Graham> wait for our FUNcube satellite at 1200bD PSK with FEC - will be demoed at the end of the month at the AMSAT Colloquium in Guildford - end of brag
[10:11] <eroomde> i guess on a cloudy day in a chase car with a mag mount and you're 150km behind, it can begin to flake
[10:12] <G0MJW> Finally I got a string ...
[10:12] <G0MJW> $$APEX,242,09:11:18,5217.9514,00036.2567,19715,026,353,10,-31.63,-33.69,01C,879,00CE,0000,4C43222C1,6B*85B0
[10:12] <fsphil_> I'm using continous rtty next time, interrupt driven
[10:12] <eroomde> 20km already
[10:12] <eroomde> it's a rocket
[10:12] <m1x10> haha
[10:12] <G3VZV_Graham> MJW - nice
[10:13] <m1x10> whats the target heighT?
[10:13] <eroomde> i am guessing from nothing in particular it'll get to about 32
[10:13] <russss> woohoo, rig control
[10:13] <fsphil_> I can hear it now
[10:13] <eroomde> russss: you have rig control?
[10:13] <juxta> eroomde: should we try clearing the tracker?
[10:14] <eroomde> juxta: i'm honestly not as up with the tracker internals as james and rob and alexei, so i'm not sure
[10:14] <juxta> hrm
[10:14] <eroomde> i just do the launching bit :)
[10:14] <russss> yep
[10:14] <russss> £5 cable from hong kong
[10:14] <Randomskk> i have cleared apex from tracker
[10:14] <LazyLeopard> Yeah, 300 would probably be OK if there were more packets...
[10:15] <eroomde> but the answer is probably to switch away from rtty altogether
[10:15] <eroomde> dominoex seems to be the likely replacement
[10:16] <Randomskk> btw guys we have software pulling data from view.php
[10:16] <G3VZV_Graham> 21252 at 091533
[10:16] <Randomskk> so keeping dl-fldigi running is still very helpful
[10:16] <G3VZV_Graham> wilco:)
[10:16] <LazyLeopard> Ok
[10:16] <russss> that said, enabling rig control appears to have broken my decoding...
[10:17] <G3VZV_Graham> i seem to be getting most now at both speeds
[10:17] <LazyLeopard> I think I'll leave mine on 50, as it garbles fewer packets that way. If there were twice as many 300 baud packets... ;)
[10:17] <russss> woah, sorry, I just clicked something that kicked it into transmit
[10:17] <russss> learning curve here
[10:18] <G3VZV_Graham> lazyl - you can run two instance of fldigi -one at each speed - at the same time sharing the same audio...
[10:18] <fsphil_> decoded packet with magmount on car ;-)
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[10:20] <LazyLeopard> G3VZV: Not on my laptop I can't. It just about copes with one instance. ;)
[10:20] <eroomde> right i am going to have a pcb design nerd session with iain. will check back in every now and then - good luck apex!
[10:21] <juxta> Randomskk: are you guys using your offline mapping to follow?
[10:22] eroomde (~ed@oort.chu.cam.ac.uk) left irc: Quit: This computer has gone to sleep
[10:22] <russss> I don't see how I managed to break this
[10:23] <russss> it seems to be decoding fine but all I get is garbage
[10:23] <juxta> russss: try the RV button
[10:23] <Randomskk> yes
[10:23] <russss> oh, bingo
[10:23] <Randomskk> russss: yea check rv
[10:23] <Randomskk> okay chase is parked
[10:23] <russss> but I didn't change the USB/LSB setting... weird.
[10:24] <G0MJW> Bad choice of frequency - lots of QRM from other data signals
[10:25] <juxta> http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=52.325961,0.5673&ie=UTF8&z=15
[10:25] <russss> unfortunately there's not much option of frequencies.
[10:25] <LazyLeopard> G0MJW: Goes with using a licence-exempt device, I guess... ;)
[10:26] <G0MJW> One could adjust it a bit...
[10:26] <LazyLeopard> Well, it drifts a fair bit just with temperaturre...
[10:27] <G8DSU> ...Excuse my brain fade but where is the RV button? On dlfldigi somewhere?
[10:27] <russss> bottom bar
[10:27] <russss> on the right
[10:27] <juxta> if i'm converting correctly: http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=52.321744,0.550035&sll=52.216021,0.527344&sspn=1.292403,3.186035&ie=UTF8&ll=52.2732,0.511551&spn=0.32268,0.796509&z=11
[10:27] <juxta> does that look right Randomskk?
[10:28] <G8DSU> Thanks! I'd checked all the tab options several times!
[10:29] <juxta> http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=52.32605,0.544564&sll=52.2732,0.511551&sspn=0.32268,0.796509&ie=UTF8&ll=52.24462,0.837708&spn=0.645779,1.593018&z=10
[10:29] <Randomskk> not in hab mode
[10:29] <g8tmv> BUG! The RV button is *not* there in hab mode
[10:29] <russss> heh
[10:29] <juxta> that's been fixed
[10:29] <juxta> in recent versions
[10:29] <M0VFC> it is for me (r112)
[10:29] <russss> ok, I'm not using hab mode anyway
[10:29] <G3VZV_Graham> 26030m at 092817 temps gone from -30 to -25 and freqeuncy is wandering abit ?doppler?
[10:29] <g8tmv> Hm.. well I'm only using a version from last week
[10:30] <juxta> g8tmv: was fixed only a couple of days ago :)
[10:30] Action: g8tmv nods
[10:30] <russss> hmm, with rig control can I get fldigi to auto-retune the rig when the frequency drifts?
[10:30] <g8tmv> russss: we wish
[10:30] <juxta> russss: i don't believe so
[10:30] <russss> hmm, that shouldn't be too hard to implement ;)
[10:32] <juxta> ok, we can get the tracker updationg if we covert the coords correctly
[10:33] <juxta> convert* even
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[10:38] <russss> I'm starting to lose decode at 300
[10:38] <russss> I think I might switch back to 50
[10:38] <juxta> Randomskk: does the position I added to the tracker look right?
[10:38] <Randomskk> we have found tracker bug
[10:38] <russss> I think the main reason is because it's now moved to a noisier area of the band
[10:38] <Randomskk> will fix now
[10:38] <russss> lots of squawking and chirping
[10:39] <Randomskk> done
[10:39] <G3VZV_Graham> 30375 at 093920
[10:40] <Randomskk> tracker should start working, you may need to restart fldigi maybe
[10:40] <Randomskk> shouldn't need to
[10:40] <Randomskk> tracker should just start working now
[10:40] <G3VZV_Graham> 30654m
[10:40] <juxta> well done Randomskk
[10:41] <juxta> what was the bug?
[10:41] <G3VZV_Graham> here here
[10:41] <G0MJW> Drift is too severe to decode reliably. I have increased the bandwidth that helps though the deliberate QRM is severe.
[10:41] <Randomskk> it is on traacker
[10:41] <Randomskk> bug is xml
[10:41] <Randomskk> had max length of temp field as 5
[10:41] <russss> I'm down to 2dB SNR
[10:41] <Randomskk> but when it hit negative, it got 6
[10:41] <Randomskk> so rejected
[10:42] <Randomskk> G0MJW: deliberate qrm?
[10:42] <G3VZV_Graham> its falling
[10:42] <juxta> Randomskk: righto - I could see it was being rejected in the test, but wasnt sure why!
[10:42] <Randomskk> anyway working now
[10:42] <juxta> good work
[10:42] <G0MJW> Why else would there be high speed idle data covering the channel?
[10:43] <juxta> falling at 100km/h ;p
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[10:45] <G3VZV_Graham> also hearing another rtty signal weak and on slightly different frequency
[10:45] <russss> G0MJW: well a lot of these are just consumer low-power devices using the frequency
[10:45] <Randomskk> might be te other baloon
[10:46] <G0MJW> This one stops to check occasionally it is still on the right frequency...
[10:46] <russss> who's the other ballon?
[10:46] <Randomskk> someone from ears on same freq was planning to launch despite freq collision
[10:48] <g8tmv> Hmm.. is the chase car reallt still in Thetford?
[10:49] <M0VFC> hmm, at this rate it might land pretty close to me
[10:49] <M0VFC> well, a bit north
[10:50] <juxta> doesn't look like the chase car has updated its position in a while
[10:50] <juxta> so it may have moved
[10:51] <fsphil_> still receiving
[10:51] <G0MJW> 16000ft still.
[10:51] <russss> pretty severe drift
[10:51] <russss> needs a lot of babysitting
[10:52] <LazyLeopard> Hmmm Two RTTYs on the same frequency now...
[10:52] <M0VFC> it's also heading straight for another load of data just HF :-)
[10:52] <LazyLeopard> russss: Yeah.
[10:52] <russss> I still can't see the other RTTY
[10:52] <russss> oh shit. there it is.
[10:52] <G0MJW> Seems to be spinning judging by the rapid fading
[10:53] <russss> it's heading straight for it!
[10:55] <russss> back to a strong 12dB SNR
[10:56] <G3VZV_Graham> do we know the modulation spec for the other one?
[10:56] <g8tmv> Ah, looks like we are heading for the golf course
[10:56] <russss> I might switch back to 300baud as that'll probably be easier to decode once we get on top of the other signal
[10:57] <fsphil_> right, no signal here now ... good luck with the recovery! bbl :)
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[10:57] <russss> our top frequency is now right on top of their bottom frequency
[10:58] <G0MJW> Complete chaos !
[10:58] <g8tmv> russss: try decoding them and see if it's real data - you might get an id of some sort
[10:58] <M0VFC> it's OK, we won't be there for long, it's still heading rapidly away :-)
[10:59] <russss> other one is a lot quieter
[10:59] <russss> not sure if I can get a decode on it
[10:59] <G3VZV_Graham> v narrow shift tried most settings but no decode here
[11:00] <g8tmv> tried inverting it?
[11:00] <russss> I suck at decoding RTTY
[11:01] <G0MJW> Turn off your AGC on the radio
[11:01] <g8tmv> woa big position jump
[11:01] <g8tmv> hmm.. the prediction is back - is it likely to be correct?
[11:02] <G3VZV_Graham> 7984 m
[11:02] <russss> frequency is coming back down again
[11:03] <m1x10> "huston it's coming down" :)
[11:03] <G8DSU> Nice of it to go around the airport!
[11:03] <russss> heh
[11:04] <g8tmv> yeah, if the speed suddenly goes to mach 1 we will know it's met an American fighter
[11:05] <russss> I think I just got a successful decode at -1dB SNR
[11:05] <russss> v. faint now. -6dB
[11:06] <M0VFC> it's got a lot stronger here now - 14dB
[11:06] <russss> probably over my horizon no
[11:06] <russss> w
[11:07] <G0MJW> Signal strength dropping now.
[11:10] <LazyLeopard> Any ideas where the other RTTY was coming from?
[11:10] <russss> apparently there's another balloon, from EARS
[11:11] <russss> I can't get a decode on it
[11:11] <russss> been fiddling with settings for 20mins
[11:11] <russss> giving up
[11:11] <russss> there must be some way to auto-detect that stuff
[11:11] <G0MJW> Signal lost here
[11:12] <LazyLeopard> Lost APEX signal now
[11:12] <g8tmv> russss: tried inverting the tones (either use the rv button or select the other side band on the rig)
[11:12] <russss> yep
[11:12] <G3VZV_Graham> apex still good here
[11:12] <g8tmv> LazyLeopard: not surprising it's well below 1000m
[11:12] <M0VFC> and here - I think it's pretty closer to down though; 393m I think
[11:12] <M0VFC> oh, and it's gone!
[11:12] <M0VFC> mid-decode :-)
[11:12] <G3VZV_Graham> oh no its not - can only
[11:13] <G3VZV_Graham> lost it:)
[11:13] <M0VFC> hope it didn't land on the A11!
[11:13] <g8tmv> looks like in the field next to it
[11:13] <M0VFC> yup
[11:15] <G0MJW> Now - what is that other balloon doing.
[11:15] <G0MJW> |xü×100110115-71988018G008781788-8-0
[11:15] Action: g8tmv heads out - LazyLeopard see you later
[11:16] <LazyLeopard> Ayup
[11:17] <Randomskk> we are enroute to landing
[11:17] <G0MJW> 7100717101626N5218609E00017668G005 PTTOQE0160N0021U0237
[11:17] <G0MJW> Some data 4.5. baud. Baudot
[11:17] <russss> the thing is that baudot can make any random noise look like real data
[11:18] <G0MJW> 100717101658N5218650Z00018170G005 PTYYYE0175N0006U0239
[11:18] <G0MJW> 100717101730N5218668E00018695G005 PTUTPE0201N0009U0344
[11:18] <russss> ah wait, there's an N and an E in there though
[11:18] <russss> yeah
[11:18] <G0MJW> That is real data...
[11:18] <russss> silly format ;)
[11:19] <G0MJW> 100717101802N5218688E00019231G005 PTIEWE0197N0000U0235
[11:19] <G0MJW> 100717101834N5218696E00019766G005 PTOPYE0188N0003U0237
[11:21] <G3VZV_Graham> yes 45.45 baud 170 shift 5 bits no parity 1.5 stop bits -
[11:21] <G0MJW> Date, time, North, East
[11:21] <G3VZV_Graham> like badger but 170 hz shift
[11:25] <G0MJW> Just to the West of Cambridge, heading East.
[11:26] <G3VZV_Graham> not sure what the rest of the data means?
[11:29] <G3VZV_Graham> apex signal has just been received by the track vehicle...clever stuff
[11:30] <G0MJW> 42m ASL must be stuck up a tree in that part of the world
[11:30] <G3VZV_Graham> tall tree:)
[11:33] <Randomskk> got it!
[11:33] <Randomskk> found the payload in a field
[11:33] <Randomskk> see tracker
[11:35] <m1x10> what's the link of the tracker ?
[11:36] <LazyLeopard> The predictor having a moment?
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[11:41] <Randomskk> spacenear.us/tracker
[11:42] <m1x10> very nice
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[11:54] <LazyLeopard> Presumably the folks watching the other balloon are doing their own tracking. Can't see anything that looks like an altitude in the data strings.
[11:55] <LazyLeopard> Time for me to be elsewhere. Hope Apex was a success.
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[12:00] <G8DSU> Other balloon is at a nice stable frequency...
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[12:16] <LazyLeopard> Much less drifty, yes. ;)
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[12:30] <fsphil> what's the other frequency atm?
[12:33] <G3VZV_Graham> 434.073.5 USB 45.5. baud 170 shift 1.5 stop bits
[12:34] <G3VZV_Graham> 12db signal to noise on a collinear up the top of a tree
[12:35] <fsphil> I can see a single line on the waterfall, drifting about slightly
[12:36] <fsphil> much too weak for any decoding
[12:36] <G3VZV_Graham> 15 secs plain carrier then 10 secs of RTTY (ish)
[12:37] <G3VZV_Graham> the onbaord clock shows a 32 sec cycle
[12:37] <fsphil> 7-bit or 8-bit?
[12:40] <fsphil> from the google map view it looks like apex landed in a tree
[12:41] <G3VZV_Graham> 5 bit sorry forgot that "bit"
[12:42] <fsphil> ;-)
[12:43] <fsphil> not that it's made any difference .. mostly noise here
[12:44] <fsphil> I found the apex flight pretty difficult to decode, even with the yagi at 300m asl
[12:46] <ben_apex> heya
[12:46] <fsphil> hiya ben_apex
[12:46] <G3VZV_Graham> yes - it was better when the signal wasnt drifting in freqeuncy and the shift had settled down around 280Hz. the break in transmission meant that the AFC didnt really catch up in time for each burst of data.
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[12:47] <G3VZV_Graham> And you needed to open up the filter a lot...
[12:47] <fsphil> yes I was always missing the first few characters
[12:47] <fsphil> I did manage to decode some of the 300 baud lines, which was what I was hoping to do
[12:48] <fsphil> with the magmount antenna
[12:48] <ben_apex> apex is recovered and we'bve gotve got the pictures back. Horisontal camera failed but the downwards camera came back with some great photos
[12:48] <ben_apex> sorry for the slow messages, gprs is painfully slow
[12:48] <G3VZV_Graham> this other balloon has stopped giving its time and lat/long
[12:48] <fsphil> I feel your pain ben_apex :)
[12:48] <ben_apex> yea i know
[12:49] <G3VZV_Graham> just giving a 12 digit code that increments by 50 each burst
[12:49] <ben_apex> but... payload is without a scratch and will be ready for a relaunch soon
[12:49] <G3VZV_Graham> well done apex team
[12:49] <fsphil> congratulations!
[12:49] <fsphil> can't wait to see the pictures
[12:51] <ben_apex> uploading atm to gallery
[12:53] <ben_apex> believe this will be the link http://balloon.hexoc.com/gallery/apex-ii/index.php/Launch-Photos
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[13:09] <jonsowman_mob> hi all
[13:11] <G3VZV_Graham> hi - did u have fun?
[13:12] <jonsowman_mob> Yes thanks all went perfectly really
[13:12] <jonsowman_mob> Few payload issues but mostly ok and we got it back
[13:13] <G3VZV_Graham> good - we could recommend some small tweaks to the comms side to make it easier to decode:)
[13:13] <jonsowman_mob> im on a very dodgy connection at the moment; an email to the mailing list would be excellent if that's okay
[13:14] <jonsowman_mob> project-apex@googlegroups.com
[13:14] <G3VZV_Graham> roger wilco - safe travelling
[13:14] <jonsowman_mob> thanks everyone for your help today
[13:14] <jonsowman_mob> Bbl
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[13:35] <G3VZV_Graham> the other ballon is still up at 13:35 BST
[13:37] <griffonbot> @jonsowman: Successful launch and recovery of apex 2 :) #apexhab #ukhas [http://twitter.com/jonsowman/status/18763256138]
[13:38] <SpeedEvil> :)
[13:38] <SpeedEvil> Congrats.
[13:50] <Hiena> Cool.
[13:50] <Hiena> How much was the burst altitude?
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[13:58] <fsphil> Hiena, the highest reported alt was 30958
[14:01] <Hiena> Nice.
[14:01] <fsphil> yes seems to have been a great flight!
[14:02] <Hiena> Just thinkikng why didn't try a double, semi inflated balloon?
[14:02] <Hiena> Guess it would add another 6000.
[14:05] <SpeedEvil> that doesn't always work as you might expect
[14:06] <SpeedEvil> there have been indiations that the superpressure inside a partially filled latex balloon can be enough to make it neutrally bouyant well below the normal burst altitude
[14:07] <Hiena> How about to bump over the balloon from this point?
[14:07] <Hiena> I means adding 20 or 50g helium cartridge with a solenoid?
[14:08] <Hiena> It could be triggered by a pressure sensor or the GPS.
[14:09] <SpeedEvil> hmm.
[14:10] <Hiena> Also, if both balloon would be 75% filled, that would push the nb altitude far higher than the balloons burst altitude.
[14:10] <SpeedEvil> For a given balloon/atmosphere/trajectory, there will be a graph - burst alt vs payload
[14:11] <SpeedEvil> or rather - burst alt vs unbalanced lift
[14:11] <SpeedEvil> no, it's not even as simple as this, as altitude rate may affect the burst.
[14:11] <SpeedEvil> And sun
[14:14] <SpeedEvil> I don't think two balloons or complex fills help - specifically - over exactly the right payload and fill.
[14:14] <SpeedEvil> (of course, if the optimal fill is half, then you need two balloons to get the same lift)
[14:17] <G3VZV_Graham> the other balloon's GPS is back on now
[14:18] <Hiena> My other ide is an oversized pressure controlled balloon. The balloon would be held in constant inside pressure, with an overpressure release valve. Due it's oversize, possible to obtain high climb rates, witch will results hgher top altitude.
[14:30] <SpeedEvil> yeah - it's obvious that if you control the pressure to just below burst all the time you get teh best alt
[14:30] <SpeedEvil> but burst pressure is probably not constant all the time
[14:30] <SpeedEvil> hence the fun
[14:33] <Hiena> SpeedEvil, how about installing a pressure gauge for the next five flight and measure it?
[14:34] <SpeedEvil> rjharrison was I thin at some point planning that
[14:34] <Hiena> Also, some UV, temperature, and windspeed meter would make complete the experiment.
[14:34] <SpeedEvil> yeah
[14:35] <SpeedEvil> It would also be interesting to on the way up - insert a slug of gas - and then bleed off this exact volume
[14:35] <Hiena> After that, it would be easy to calculate the mechanical stress on the envelope, which could make possible to controll the pressure.
[14:35] <SpeedEvil> and see if the pressure returns to the previous value
[14:35] <SpeedEvil> or if the latex was strained
[14:36] <Hiena> It's not a rocket sience.
[14:36] <SpeedEvil> It is if you put a controlled leak on the bottom with a nozzle.
[14:37] <SpeedEvil> Or resistively heat the exhausted gas.
[14:37] <G3VZV_Graham> loosing the other signal now - its still there but v weak
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[14:50] <fsphil> that signal was never very strong here .. what altitude did they get?
[15:08] <G3VZV_Graham> dont know - the telemetry didnt seem to tell us
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[17:05] <m1x10> hey all
[17:05] <m1x10> what happened to apexII ?
[17:06] <m1x10> found? alive? any pics?
[17:06] <juxta> m1x10, recovered
[17:06] <m1x10> :)
[17:06] <m1x10> oh, nice
[17:06] <m1x10> any pics?
[17:07] <juxta> http://balloon.hexoc.com/gallery/apex-ii/index.php/?page=2
[17:08] <m1x10> thats the only one? I see a ground plane :)
[17:11] <simhed> is that lassen iq i see on the photos?
[17:12] <juxta> looks like it
[17:12] <simhed> i'm having some hard times getting it to work with my arduino..
[17:15] <simhed> i think cuddykid was assembling arduino/lassen iq/ntx2 set, but i haven't seen him around for a while
[17:15] <juxta> what's happening with yours simhed?
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[17:17] <simhed> i'm pretty fresh to be honest, i'm not even sure if i'm connecting it the right way
[17:18] <simhed> i'm using three pins only
[17:18] <simhed> tx A, 3.3v & gnd
[17:18] <simhed> do i have to connect rx pin too..?
[17:18] <simhed> i just want to receive data
[17:19] <juxta> shouldnt need to
[17:19] <juxta> not sure that the 3.3v regulator on the arduino would be powerful enough to power the lassen though
[17:20] <juxta> I think it's only good for perhaps 30mA?
[17:20] <simhed> hmm
[17:20] <simhed> i think several people used arduino with lassen iq in the past
[17:20] <simhed> so it sould be fine in theory
[17:21] <simhed> at least
[17:21] <Randomskk> back
[17:21] <juxta> I've an arduino with a lassen simhed
[17:21] <juxta> hey Randomskk, congrats
[17:21] <juxta> was recovery easy?
[17:21] <juxta> I've used*
[17:21] <Randomskk> :D jonsowman and apex team's work really
[17:21] <Randomskk> all I did was watch
[17:21] <Randomskk> yea, it was
[17:21] <Randomskk> landed in a corn field
[17:21] <juxta> awesome
[17:22] <juxta> have to trample many crops?
[17:22] <Randomskk> not too many :P
[17:22] <juxta> hehe
[17:22] <Randomskk> farmer came along to see
[17:22] <Randomskk> he didn't mind us being in his field though
[17:22] <juxta> I feel guilty when it lands right in the middle and there's nobody around to ask
[17:22] <Randomskk> yea
[17:23] <m1x10> Randomskk congrats to u
[17:23] <juxta> how'd the offline tracking go? well I guess :)
[17:23] <m1x10> and the team
[17:24] <Randomskk> offline tracking was good
[17:24] <Randomskk> we were able to decode a lot of packets
[17:24] <Randomskk> last one we saw was at 380m or so
[17:24] <Randomskk> so chasing it was quite good
[17:25] <juxta> great, sounds like a good day then
[17:25] <juxta> how mkuch driving all up?
[17:25] <juxta> much*
[17:25] <Randomskk> not sure, not too much - it was only about 50km from cambridge
[17:26] <Randomskk> but we did drive to cambridge friday and back today
[17:26] <juxta> where are you guys based again?
[17:26] <m1x10> Randomskk, any photos?
[17:27] <Randomskk> loads but none by me
[17:27] <Randomskk> they should be going online soon
[17:27] <Randomskk> http://balloon.hexoc.com/gallery/apex-ii/index.php/
[17:27] <Randomskk> http://balloon.hexoc.com/gallery/apex-ii/index.php/Launch-Photos/IMG_3306 we uploaded over internet
[17:27] <Randomskk> mobile internet even
[17:27] <Randomskk> the sideways facing camera broke
[17:27] <Randomskk> so no sideways looking photos
[17:28] <m1x10> :(
[17:29] <Randomskk> did get radiation data and other interesting stuff
[17:30] <juxta> Randomskk: don't suppose you want to share the python version of the car tracker you knocked up? :)
[17:30] <Randomskk> yea will be putting that on github in a sec
[17:30] <juxta> nice, cheers
[17:30] <Randomskk> https://randomskk.net/apex2/ my pretty sensor dials worked too
[17:30] <juxta> i saw those, nice work
[17:30] <Randomskk> better during the trip given as they don't do historic but quite fun to watch
[17:31] <juxta> how did you generate them? an arrow overlaid on the dial image using GD or similar?
[17:31] <Randomskk> nah
[17:31] <Randomskk> check out the imag eurl
[17:31] <Randomskk> it's way simpler than that
[17:31] <juxta> oh, hehe
[17:31] <Randomskk> http://gist.github.com/479627 is the dial code
[17:32] <juxta> that's nifty
[17:32] <Randomskk> really simple
[17:32] <Randomskk> cherrypy is a super minimal web framework for python
[17:33] <juxta> i see - I really should learn some python
[17:33] <m1x10> Randomskk, what's your pressure sensor ?
[17:33] <Randomskk> that was hacked together a little last night and a bit this morning
[17:33] <Randomskk> not sure
[17:33] <Randomskk> m1x10: it's not my payload
[17:33] <fsphil> I'd love to learn python but I just can't swallow it
[17:33] <Randomskk> jonsowman, Matt_soton and others made it
[17:33] <Randomskk> I just watched
[17:33] <Randomskk> and loaned my radio, helped with tracking, the easy parts
[17:33] <m1x10> Randomskk, ok
[17:34] Action: Randomskk is still a HAB virgin really, I haven't actually launched my own payload
[17:34] <Randomskk> well unless you count ferret
[17:34] <Randomskk> I don't really count ferret
[17:34] <fsphil> it did launch though
[17:36] <Randomskk> with someone else's payload, on someone else's balloon
[17:36] <fsphil> well so did I with hadie, but I count that ;-)
[17:36] <fsphil> right .. a half launch
[17:38] <Randomskk> http://gist.github.com/479630
[17:38] <Randomskk> juxta: ^ chase code
[17:39] <juxta> well that settles it
[17:39] <juxta> time to lean python
[17:40] <Randomskk> that is a bit hacky
[17:40] <juxta> eh it's pretty much what I did
[17:40] <juxta> except I grabbed the time from the GPS
[17:41] <Randomskk> so do I
[17:41] <Randomskk> thetime = data[1]
[17:41] <juxta> oh yeah, haha
[17:41] <juxta> missed that
[17:41] <Randomskk> easily missed to be fair
[17:42] <Randomskk> no comments
[17:42] <Randomskk> terribly organised
[17:42] <Randomskk> written at 7am after three hours of sleep in a car after having a usb gps dongle thrown at me by jonsowman
[17:43] <juxta> exactly what you'd expect for something whipped up on the fly :)
[17:44] <Randomskk> http://gist.github.com/479637 even
[17:45] <juxta> ;)
[17:45] <fsphil> muhaha
[17:45] <fsphil> I must see how much is left to get the gps working in dl-fldigi
[17:47] <fsphil> one thing I learned today is that it's impossible to deal with tracking in the car, while also trying to control another station back at the house
[17:47] <juxta> haha, and driving too? :)
[17:49] <fsphil> hehe, I'm not even that good :)
[17:50] <fsphil> I've talked a few friends and family into driving on the day *g*
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[19:08] <m1x10> Crap
[19:08] <m1x10> I have in paypal 147.56 euros and my order in sparkfun costs 147.57 !!!!!!!!!!!!!!
[19:08] <m1x10> somebody send me 0.01 euros !!!!!!!!!!!!!!!
[19:08] <m1x10> 1 cent !
[19:08] <m1x10> lol
[19:13] <jonsowman> hi all
[19:13] <jonsowman> home :)
[19:13] <fsphil> yay! wb
[19:13] <jonsowman> fsphil: thank you!
[19:14] <fsphil> fun day?
[19:14] <jonsowman> has been excellent
[19:14] <jonsowman> http://balloon.hexoc.com/gallery/apex-ii/index.php/Launch-Photos
[19:19] <m1x10> oh super !
[19:19] <jonsowman> many more to come :)
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[19:21] <m1x10> hey I got a problem.
[19:22] <m1x10> I have in paypal 1.01 eyros. And in my prepaid card 147.56 euros
[19:22] <m1x10> how to move the paypal 1Euro to the prepaid card?
[19:24] <fsphil> I see you didn't escape the cloud either, it's been pretty overcast here today
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[19:24] <fsphil> great pics
[19:24] <fsphil> what is that on the end of the antenna?
[19:25] <jonsowman> an anti-stab-someone-in-the-head ball of gaffa tape
[19:25] <m1x10> hahahaha
[19:25] <fsphil> ahh
[19:25] <fsphil> smart
[19:26] <jonsowman> all went pretty well in the end
[19:26] <jonsowman> perfect weather and flight path
[19:26] <jonsowman> shame we broke the spacenear tracker and didn't fix it till half way through
[19:26] <fsphil> what happened it? I noticed it stopped
[19:27] <jonsowman> the temperature fields had max length 5
[19:27] <jonsowman> as soon as they went -ve it died
[19:27] <jonsowman> took us ages to figure it out
[19:27] <fsphil> aah
[19:28] <fsphil> I managed to grab a few strings, got most of one of the 300-baud ones too
[19:29] <jonsowman> excellent :)
[19:29] <fsphil> btw, what kind of coordinates are you using?
[19:34] <jonsowman> DDMM.mmmm
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[19:37] <jonsowman> fsphil: why?
[19:37] <futurity> hi
[19:37] <futurity> did i miss two launches today or are any of them still in the air?
[19:37] <m1x10> hehe
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[19:40] <fsphil> jonsowman, it confused the bearding / distance calculator in dl-fldigi :)
[19:40] <jonsowman> fsphil: ah yes it did rather
[19:40] <jonsowman> futurity: missed both
[19:40] <jonsowman> RocketBoy: ping
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[19:40] <fsphil> any news on the other flight?
[19:41] <jonsowman> no - they launched on our same frequency dispite saying they'd wait until 11.30
[19:41] <jonsowman> they launched about 10.45
[19:42] <fsphil> not good
[19:42] <jonsowman> not at all happy about that
[19:42] <m1x10> :p
[19:43] <jonsowman> oh well we got ours back
[19:43] <m1x10> sorry to be that problematic guy.. but does anyone know how to solve my paypal problem?
[19:53] <RocketBoy> jonsowman: Pong
[19:54] <RocketBoy> jonsowman: Humm thats not the story I was told by michael - he said he had agreed to fly at 10:30
[19:54] <RocketBoy> and that you would launch at 8;30
[19:55] <jonsowman> ah
[19:56] <jonsowman> im pretty sure we agreed on 11.30
[19:56] <jonsowman> anyway doesnt matter now
[19:56] <RocketBoy> so it presented a real problem then -
[19:56] <RocketBoy> ?
[19:56] <jonsowman> we missed several packets during descent
[19:57] <jonsowman> luckily we got a final at 340m alt
[19:57] <jonsowman> so we just drove there then DF'ed
[20:00] <RocketBoy> I'm not sure I undrstand any of this really - was the uplink the critical issue
[20:00] <RocketBoy> ?
[20:00] <jonsowman> nope, the downlink
[20:01] <jonsowman> the other payload transmitting over ours made it impossible to decode
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[20:02] <RocketBoy> Michael ssaid he had offered to get up early and fly at 8;30 - but that you insisted on flying first?
[20:02] <jonsowman> yes we agreed we'd fly first, due to having a long drive back (only just got home)
[20:03] <RocketBoy> oh - right i understand (me too)
[20:09] <futurity> jonsowman: thanks for letting me know
[20:09] <futurity> i should check my email more regularly ;)
[20:11] <RocketBoy> jonsowman: I have text Michael to see what he says about it all. (feeling piggy in the middle me)
[20:12] <jonsowman> RocketBoy: sorry
[20:12] <futurity> RocketBoy: I've been suffering from a huge amount of spam recently (i think my spam filter isn't working). I was wondering if you sent any pic code and I missed it? No worries if you haven't have chance to send it yet as it sounds like you've been busy launching. I just didn't want to miss the email if you did send it
[20:12] <jonsowman> I think it may be a case of wires crossed
[20:13] <jonsowman> we are not blameless as we were delayed launching due to payload issues
[20:13] <jonsowman> a planned 8.30 launch became after 9
[20:14] <jonsowman> we landed about 11.15 so there was not much overlap
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[20:14] <jonsowman> RocketBoy: we really overfilled to get a quick ascent rate and short flight duration so we would be out of Michael's way
[20:15] <jonsowman> Apex went up like a rocket today
[20:15] <jonsowman> eroomde: hi :)
[20:15] <eroomde> hi
[20:15] <eroomde> ant media or results published?
[20:16] <jonsowman> http://balloon.hexoc.com/gallery/apex-ii/index.php/Launch-Photos
[20:16] <jonsowman> i realise there are two of each the moment - will sort
[20:16] <jonsowman> loads more photos to come but those are all the payload ones
[20:16] <jonsowman> http://balloon.hexoc.com/gallery/apex-ii/index.php/Launchsite-Photos
[20:16] <RocketBoy> futurity: I havn't seen your email - I'd also forgotten - I'll dig through my spam and reply
[20:16] <eroomde> photo 1 seems to be my foot
[20:16] <jonsowman> eroomde: indeed
[20:16] <futurity> RocketBoy: no rush. I just didn't want to miss it ;)
[20:17] <futurity> RocketBoy: Many thanks for the offer again as well
[20:18] <RocketBoy> eroomde: Is there any way to run the predictor historically - the school payload was lost - I'd like to get a best estimate of landing spot
[20:18] <eroomde> if it doesn't work now with earlier times then no
[20:19] <RocketBoy> :-(
[20:19] <eroomde> unless you dive into the source yourself
[20:19] <futurity> RocketBoy: do you know if the school payload will still be transmitting?
[20:19] <eroomde> and can find historical gribs
[20:20] <RocketBoy> futurity: it hasn't got a transmitter - its just a SMS tracker - its either out of range or hast stopped working (I suspect the latter)
[20:20] <eroomde> how did the other balloon flight go rocketboy?
[20:21] <futurity> no problem. was just wondering if going out tracking with the yagi would have helped, but if SMS, then yagi wont help :(
[20:24] <RocketBoy> eroomde: Bello Mondo 1 (the other payload) was recovered about 5mi SE of E Derham norfolk
[20:24] <eroomde> cool
[20:25] <RocketBoy> wents Ok ish - the transmitter started to put out rubbish about 1/2 way through the flight methinks - luckily he had a backup system
[20:27] <jonsowman> bbl
[20:29] <RocketBoy> so was there an uplink on Apex II - and if so how did it go?
[20:44] <RocketBoy> I guess there wasn't - but funny I thought I could hear one in-between the packets
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[20:47] <RocketBoy> natrium42: Hey - seen Inception then - I went yesterday
[20:47] <natrium42> ah, cool, did you like it?
[20:48] <RocketBoy> yeah - I think I just about kept track of the dreams within dreams - neat ending
[20:49] <natrium42> the ending was great, now we don't know if his wife was right
[20:50] <RocketBoy> so there was the aeroplane, the falling van, the hotel lift, the snow hideout and the place with his wife - did I miss any?
[20:50] <natrium42> i think that's it
[20:50] <natrium42> :)
[20:52] <RocketBoy> yeah - very worth a view - I was impressed - I think my wife was a bid dis-chuffed about the ending - but I loved it
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[20:55] <fsphil> no spoilers please :)
[20:57] <eroomde> yeah I might go and see it
[20:57] <eroomde> so...
[21:01] <RocketBoy> my lips are sealed
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[21:41] <Matt_soton> the payload data is now all in a csv if anyone is intereseted
[21:41] <Matt_soton> http://github.com/mattbrejza/APEX/blob/master/Launch1/data.csv
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[22:09] <ben_apex> thanks matt
[22:15] <ben_apex> right
[22:15] <ben_apex> 5am start is enough
[22:16] <ben_apex> tommorow we start on the relaunch :D
[22:17] <natrium42> hehe
[22:23] <natrium42> ben_apex, did the radiation detectors work?
[22:29] <Matt_soton> yep
[22:29] <Matt_soton> see the data
[22:29] <Matt_soton> well sorta work
[22:29] <Matt_soton> got alot of good data tho
[22:37] <natrium42> cool
[22:38] <Matt_soton> flight kml and graphs: http://github.com/mattbrejza/APEX/tree/master/Launch1
[22:39] <natrium42> did you tag all the photos with gps coords? :P
[22:40] <Matt_soton> na
[22:41] <Matt_soton> we cwould have to look at the time and do it manually
[22:42] <Matt_soton> ok the kml and graphs are actually on that git page now :)
[22:43] <natrium42> Matt_soton, you can use something like http://code.google.com/p/gpicsync/
[22:43] <Matt_soton> awesome :D
[22:44] <natrium42> just convert your file to gpx or nmea log
[22:44] <Matt_soton> im not too sure how accurate the camera time was
[22:44] <Matt_soton> but i can always offset the packet time
[22:44] <natrium42> exactly
[22:45] <natrium42> nice graphs
[22:45] <natrium42> tropopause is visible in temperatur graph
[22:45] <natrium42> haha, battery voltage varies too with temperature :D
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[22:47] <Matt_soton> the radiaton detector wasa bit odd tho
[22:47] <Matt_soton> cutting out then restarting in almost the same place
[22:48] <Matt_soton> the graphs were updated as we drove which was nice
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[23:44] <Laurenceb> hi
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[23:45] <SpeedEvil> ih
[23:46] <Laurenceb> SpeedEvil: that PBO filament I linked, you could get a rotovator fast enough to pick up off a plane
[23:47] <Laurenceb> with a 300/1 tether to pyload mass ratio
[23:47] <Laurenceb> quite impressive imo
[23:54] <SpeedEvil> Indeed
[23:55] <SpeedEvil> you mean a parabola up to say 100km?
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[00:00] --- Sun Jul 18 2010