highaltitude.log.20110114

[00:01] juxta (Bogaurd@ppp203-122-193-94.static.internode.on.net) joined #highaltitude.
[00:01] <Darkside> morning juxta
[00:01] <juxta> heya Darkside
[00:01] <Darkside> im just about to head into uni
[00:02] <juxta> okay'
[00:02] <Darkside> also did you see the email saying adrian can
[00:02] <Darkside> adrian can't come
[00:02] <juxta> oh?
[00:02] <juxta> i didnt get that
[00:03] <juxta> you dont mean scott's one?
[00:03] <Darkside> oh shit he only sent it to me
[00:03] <juxta> haha
[00:03] <juxta> forward it on to me then
[00:03] <Darkside> done
[00:03] <Darkside> I dont think I can make it next week either Mark. I'll have a lot or unpacking to do and then it will be Laura's 16 birthday party to organize which is on Friday.
[00:03] <juxta> i probably need to have a nap before i head in
[00:03] <Darkside> aaaaargh
[00:03] <juxta> i'm exhausted
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[00:04] <Darkside> could you bring in an R10 just in case something fucks up with my receiver?
[00:04] <juxta> of course
[00:04] <juxta> so - r10, GPS, serial thingy
[00:04] <Darkside> my recever was working ok the last few days
[00:04] <Darkside> yep
[00:04] <juxta> anything else?
[00:04] <Darkside> nah, i think thats it :P
[00:04] <Darkside> shit, bus time - gotta run!
[00:04] <Darkside> will be back online once i get into uni
[00:04] <juxta> okay, cya :)
[00:05] <juxta> do we know roughly where icarus ended up yesterday?
[00:05] <jcoxon> no idea
[00:05] <jcoxon> i reckon it'll still be floating
[00:05] <juxta> oh hey jcoxon
[00:05] <jcoxon> no reason not to
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[00:05] <jcoxon> hey juxta
[00:06] <jcoxon> i'm off tomorrow so can stay up late
[00:06] <juxta> yeah thats quite possible I guess - I was trying to get it via globaltuners but couldnt hear it :(
[00:06] <juxta> ah righto - did you have a crack at the sparkfun free day?
[00:06] <jcoxon> no was at work :-(
[00:06] <natrium42> oh, it was today
[00:06] <juxta> oh well - I hear they pretty much got wiped out again, hehe
[00:07] <jcoxon> blame stilldavid
[00:07] <jcoxon> :-)
[00:07] <natrium42> w/e, i don't need even more gadgets...
[00:07] <jcoxon> hehe
[00:07] <SpeedEvil> Sparkfun free-day was even more broken than last year
[00:07] <Randomskk> amazingly
[00:08] <natrium42> last year was fine :)
[00:08] <Randomskk> :P
[00:08] <Randomskk> I got $100 last year, $60 this year, so meh
[00:09] <Randomskk> went to dinner just before the quiz apparently sped up again
[00:09] <natrium42> the most persistant won last year
[00:09] <juxta> I tried pretty hard last year, this year I didn't bother
[00:12] <Darkside> heh, i remembet last year
[00:13] <Darkside> i ended up buying my order anyway
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[00:14] <NigeyS> evening James, didn't see you there :|
[00:14] <jcoxon> oh i only just came on
[00:15] <jcoxon> on call today so worked late
[00:15] <juxta> hey fsphil
[00:15] <NigeyS> ahh
[00:16] <NigeyS> think im doing another all nighter :(
[00:16] <jcoxon> eek
[00:16] <NigeyS> i know, another night of populating an online store, what a fun life i have
[00:17] <fsphil> hiya juxta! morning / evening
[00:17] <juxta> thanks for letting me use your globaltuners account last night
[00:17] <juxta> what ended up happening after I went to bed?
[00:17] <fsphil> np
[00:18] <fsphil> they lost the signal, headed back to the hotel
[00:18] <fsphil> no luck with global tuners
[00:18] <fsphil> it's probably still up there :)
[00:18] Action: jcoxon is a little jealous of their float
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[00:26] <juxta> damn :(
[00:26] <juxta> who was _cr3?
[00:27] <fsphil> you know I'm not sure
[00:33] <Randomskk> I think he was one of the paper planes from space guys
[00:34] <Darkside> hmmm ok at uni
[00:34] <Darkside> mail hasnt been checked yet
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[01:08] <NigeyS> ladedadedoooooo
[01:09] <Darkside> zip-a-de-doo-dah
[01:12] <NigeyS> hehe ello DS
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[07:43] <Darkside> hai guyse
[07:43] <Darkside> http://picasaweb.google.com/lh/photo/ztyNBBW3JDFrJbkzarYWBA?feat=directlink
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[07:43] Nick change: sumeet_ -> shipit
[07:44] Nick change: Burninate-AFK -> Burninate
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[07:54] <fsphil> ooooh vhf
[07:54] <Darkside> oh yes :)
[07:54] <Darkside> 151.3MHz
[07:54] <Darkside> its looking like a real satellite :
[07:54] <Darkside> :D
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[08:00] <fsphil> it does!
[08:01] <Darkside> those antennas are totally gonna bend on landing tho :P
[08:01] <Darkside> they're pretty well secured inside the box, but the metal will bend
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[08:13] <SpeedEvil> Put little loops on the end, to avoid pokiness.
[08:13] <SpeedEvil> Or cocks.
[08:13] <SpeedEvil> corks
[08:13] <Darkside> cocks
[08:13] <Darkside> yes
[08:13] <Darkside> i will put cocks on my payload
[08:14] <fsphil> balls
[08:14] <Darkside> heh
[08:15] <fsphil> how heavy is the antenna?
[08:15] <Darkside> no idea
[08:15] <Darkside> still need to measure it :P
[08:15] <Darkside> i dont think that payload is going to be exactly light
[08:16] <Darkside> i'd estimate maybe 300-400g all up
[08:16] <fsphil> that's pretty good
[08:17] <Darkside> theres gonna be a lot on this launch
[08:17] <Darkside> 2 telemetry payloads, and the camera/tux payload
[08:18] <Darkside> prediction looks good
[08:18] <Darkside> hopefully we will have multiple chase vehicles
[08:18] <Darkside> though with the VHF payload, i'm hoping that we'll get better range when its on the grounf
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[08:41] <SpikeUK> Darkside - please post linky to image (if you did) looks like I joined this channel part way through a thread. Ta!
[08:42] <Elwell> http://picasaweb.google.com/lh/photo/ztyNBBW3JDFrJbkzarYWBA?feat=directlink
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[08:44] <Darkside> http://imgur.com/qX8mv&8YhTY&a18zY
[08:45] Action: jcoxon is very angry with DHL
[08:46] <jcoxon> paid the fees last week and only just realised the need to deliver despite numerous phone calls
[08:47] <fsphil> sounds like they're getting stricter
[08:47] <fsphil> normally they'd just deliver the stuff and send the bill later
[08:47] <jcoxon> yeah
[08:48] <jcoxon> the lady on the phone just now said she'd get it delivered for monday! i want it now!
[08:55] <jcoxon> rant over
[09:01] <fsphil> yea, shame it had to be on the wrong side of the weekend
[09:01] <fsphil> but at least you know they're coming
[09:03] <SpeedEvil> what did you order jcoxon?
[09:04] <jcoxon> lots of gpsbees for people
[09:04] <SpeedEvil> ah
[09:04] <jcoxon> i'll split them up and send them out once they arrive
[09:04] <jcoxon> just its been delayed cause of dhl being rubbish
[09:04] <jcoxon> which slightly defeats the point of hte order
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[09:11] <SpikeUK> Elwell and Darkside - thanks for images! Have you looked at quadrifilar helical antenna? I keep meaning to make one
[09:12] <Darkside> didnt have time in this case
[09:12] <Darkside> too big, too fragile really
[09:12] <Darkside> and probably too heavy
[09:13] <SpeedEvil> SpikeUK: you mean for gps?
[09:15] <SpikeUK> SpeedEvil - no sir - for telemetry. Almost hemispherical beam pattern with circular polarisation. No payload rotation flutter...
[09:15] <SpeedEvil> ah
[09:16] <SpikeUK> As used by Telstar http://en.wikipedia.org/wiki/File:Telstar.jpg
[09:18] <Darkside> problem is, after burst, the payload will tumble
[09:18] <Darkside> then you'll get problems anyway
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[09:48] <jcoxon> strange, another point has popped onto spacenear.us
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[09:51] <jcoxon> they have launched again!
[09:53] <Randomskk> :o
[09:53] <Randomskk> oops. might have been an idea to clear the old data first
[09:53] <jcoxon> yeah
[09:53] <jcoxon> lets leave it
[09:53] <jcoxon> it'll confuse people :-p
[09:53] <Randomskk> a single sql query could rename the payload for yesterday
[09:53] <Randomskk> icarus-old or something
[09:54] <Randomskk> then you'd get two traces
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[09:56] <fsphil> that's right, they where gonna do it again
[09:56] <Randomskk> shall I rename yesterday's track?
[09:57] <jcoxon> go for it
[09:59] <jcoxon> okay i've got it on global tuners
[09:59] <Randomskk> woo
[09:59] <Randomskk> worked
[09:59] <Randomskk> refresh spacenear.us
[09:59] <jcoxon> very faint
[09:59] <jcoxon> good work
[10:01] <Randomskk> the predicted landing is at 02:57 UTC apparently
[10:01] <Randomskk> is that tomorrow morning..?
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[10:04] <x-f> i wonder if they did receive an SMS from yesterday's payload or is it still up there
[10:04] <_cr3> Whoo! Second launch is up in the air! Live updates on www.spacenear.us right now! Whoo!
[10:04] <_cr3> No SMS yet, it's out of phone range
[10:04] <fsphil> typical
[10:04] <Randomskk> _cr3: refresh spacenear.us, I renamed yesterday's path to icarus_old so it's less confusing
[10:04] <_cr3> So as far as we know it's still floating
[10:04] <_cr3> Randomskk, I love you
[10:04] <jcoxon> _cr3, what freq?
[10:04] <jcoxon> i think i can see if faintly from an online radio in berlin
[10:05] <_cr3> Freq is 4.075.5
[10:05] <_cr3> USB
[10:05] <jcoxon> yeah
[10:05] <jcoxon> its very very fain
[10:05] <jcoxon> t
[10:05] <jcoxon> but i can see the rtty
[10:05] <_cr3> The transmitter seems to be lower power than the previous payload, which we had very strong signal for on the whip most of the way
[10:05] <fsphil> a much better ascent rate today
[10:05] <_cr3> Yeah we filled that thing with so much helium it's unreal
[10:06] <Elwell> did you also work on the 2nd cutdown timing?
[10:06] <_cr3> We can't reprogram the boards here, we're just hoping the bug was caused by either the pyro power supply jolting out or by the floating
[10:07] <Elwell> fingers crossed then
[10:07] <fsphil> she'll definitely burst today anyway
[10:07] <_cr3> As one of our SMS trackers was dead on arrival, we've got an iPhone 4 in the payload today too, which we'll find using Find My iPhone. This does have the unintended side effect of making the payload much less likely to be returned if someone finds it :)
[10:07] <_cr3> One way or another it's coming down
[10:07] <_cr3> We have an incredibly long pole for poking it out of trees, which I'm dead keen on using
[10:08] <_cr3> We were going to practice on a cat, but they wouldn't let me
[10:08] <Elwell> damn, I quite fancy an iphone. shame I'm too busy to go on a foxhunt :-)
[10:08] <fsphil> awww
[10:08] <Randomskk> _cr3: it might just be returned sans some hardware :P
[10:08] <_cr3> If it is, we'll take pics and insurance can have at it - but if they steal the HD Hero cameras there will be blood :P
[10:09] <Randomskk> hehe
[10:10] <Elwell> ah, I've seen those in Nature et Decouvertes - they any good?
[10:11] <_cr3> They are absolutely amazing
[10:11] <_cr3> Slightly fatter than a 20-pack of ciggies and approx the same size
[10:11] <_cr3> With a USB battery pack, you get hours upon hours of life in full 1080p
[10:11] <_cr3> The lens is wide-angle by default, they have underwater packs, and they are (relatively) cheap
[10:12] <_cr3> They've revolutionised most action sports and this is a great application for them
[10:12] <jcoxon> okay starting to get data
[10:12] <_cr3> My signal is jammed
[10:12] <_cr3> Something is broadcasting over it very loudly
[10:14] <jcoxon> signal is still very weak though
[10:14] <_cr3> I'm regaining signal now
[10:14] <_cr3> Partial sentence reveals 15km alt
[10:15] <_cr3> Okay: lat/lon/alt latest: 52.08191,12.085298,17277
[10:15] <Randomskk> wow, those hd heros are really nice
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[10:16] <x-f> if there are two flights on spacenear.us, then no prediction for either is shown?
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[10:16] <jcoxon> x-f, it depends if there is relavent prediction data
[10:16] <jcoxon> we manually download a dataset before launch
[10:17] <_cr3> Randomskk: We highly recommend them and have used them on several projects
[10:17] <x-f> ah, ok
[10:18] <fsphil> have they added 25-fps mode to the hd hero yet?
[10:18] <fsphil> last I looked they only did 30 fps
[10:18] <fsphil> with 25 coming soon
[10:19] <_cr3> Not as far as I know, our models are 30fps
[10:19] <fsphil> oooh they can!
[10:19] <fsphil> with the latest firmware
[10:19] <_cr3> We should update ours then :)
[10:19] <fsphil> sweet .. *scribbles on his todo list* :)
[10:19] <Randomskk> why would you want 25fps? just for less data?
[10:19] <_cr3> For cinematic hair-swishing
[10:19] <fsphil> haha
[10:19] <fsphil> for displaying on TV
[10:19] <_cr3> 24fps would be more useful for our edits to be honest
[10:20] <Randomskk> isn't it pretty easy to downsample?
[10:20] <fsphil> non-25/50 fps is a pain to put on DVD
[10:20] <Randomskk> just drop a frame now and again?
[10:20] <_cr3> No frame division/skipping would have to happen then if it were to end up on TV
[10:20] <Randomskk> true
[10:20] <_cr3> Frame dropping can be noticable on motion shots
[10:20] <fsphil> yea
[10:20] <_cr3> You used to be able to get away with it, but in the age of 1080p, we'll get some detective complain on our youtube comments ;)
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[10:21] <Randomskk> :P
[10:21] <Randomskk> best ignore youtube comments I find
[10:21] <jcoxon> its fading quite a bit
[10:21] <Randomskk> http://www.julien-oster.de/projects/feyntube/
[10:21] <_cr3> I'm getting it back strongly now
[10:21] <Randomskk> ^ in chrome (works out the box) or firefox (with greasemonkey) turns all youtube comments into richard feynman quotes
[10:21] <_cr3> Haaaaa
[10:21] <Randomskk> I installed that months ago and haven't looked back
[10:22] <_cr3> Can it be mashed up with Youtube Comment Snob?
[10:22] <_cr3> Which scans comments for correct spelling, capitalisation and other parameters
[10:22] <Randomskk> quite probably, it's just a bit of javascript
[10:22] <Randomskk> hah excellent
[10:22] <Randomskk> so it only shows good comments?
[10:22] <_cr3> Yep! Do you run Chrome, Randomskk?
[10:22] <Randomskk> I'd try chaining the two - show good comments, replace bad ones with feynman quotes
[10:22] <Randomskk> I do
[10:23] <_cr3> Get this other extension then - it's improved my web experience at least 500%
[10:23] <_cr3> https://chrome.google.com/extensions/detail/idkjdjficifbfjjkdkiimioljbloddpl
[10:23] <Randomskk> I did have that :D
[10:23] <Randomskk> absolutely fantastic
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[10:23] <_cr3> I've got him staring at me above my webirc :D
[10:24] <Randomskk> eventaully took it off when I found the hide button on wikipedia
[10:24] <_cr3> Pffft
[10:24] <Randomskk> :P
[10:24] <_cr3> There's pretty extensive flooding in this area :/
[10:24] <Randomskk> it worked so well at finding amusing places to put it
[10:24] <_cr3> Even if it lands in a field it's a good chance to be in water
[10:24] <Randomskk> D:
[10:24] <Randomskk> clearly need waterproof casing
[10:24] <Randomskk> the cameras are waterproof right?
[10:24] <_cr3> Not technically
[10:24] <_cr3> They're in a sealed foam box but I wouldn't count on it
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[10:25] <Randomskk> ah
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[10:27] <jcoxon> _cr3, are you getting strings through?
[10:27] <_cr3_> Just got one to spacenear :)
[10:27] <_cr3_> Nearly 20km now!
[10:28] <_cr3_> It seems that if an invalid character is received, it throws the translator off for the whole sentence (I'm hearing good clear signal but getting 684'¦0ÚsS as characters). Is that normal? It recovers after the transmit restarts
[10:28] <jcoxon> yeah, its a problem with rtty really
[10:28] <jcoxon> its more a timing issue with the characters
[10:28] <jcoxon> so the timing goes off
[10:28] <_cr3_> Makes sense, I hit the same issue with a sparkfun LCD
[10:28] <jcoxon> resulting in everything being shifted a bit
[10:29] <_cr3_> Sure
[10:29] <_cr3_> Getting a nice strong signal now, updates to the site should be more frequent
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[10:31] <Laurenceb_> huh whut
[10:32] <Laurenceb_> balloon flew through a wormhole?
[10:32] <jcoxon> a launch in germany
[10:32] <Laurenceb_> oh a seperate launch
[10:32] <jcoxon> i like the fact laurence that wormhole was your first assumption :-)
[10:33] <LazyLeopard> This one's going up a little faster than yesterday's... ;)
[10:33] <_cr3_> Very much so
[10:33] <_cr3_> We aimed for 6m/s rather than 3.5m/s
[10:33] <jcoxon> getting proper data now
[10:34] <_cr3_> great!
[10:34] <_cr3_> we're stopping for some food now
[10:34] <_cr3_> so if you would like to take over uploads temporarily (if that's possible), do be my guest :)
[10:34] <Tiger^> any news on icarus_old?
[10:34] <_cr3_> Let me try and ring it now
[10:34] <jcoxon> _cr3_, not enough to get to the server yet
[10:34] <jcoxon> but it is improving
[10:35] <_cr3_> Sweet!
[10:35] <_cr3_> icarus_old is still not ringing through
[10:35] <_cr3_> Sad times
[10:35] <StrayVoltage> Anyone here who buys gear from Sparkfun regularly for their high altitude projects?
[10:35] <_cr3_> We buy for other projects, can recommend
[10:36] <_cr3_> Okay, break now, chat back soon. Tracking will stop as I have to hide my laptop
[10:36] <fsphil> the first uart camera I flew came from SF
[10:37] <jcoxon> i've ordered a lot from them in the past
[10:37] <jcoxon> often now use the uk distributors to save on p&p
[10:37] <StrayVoltage> Yeah. I was wondering if somebody could put my $30 promo code from yesterday to better use than I can.
[10:38] <StrayVoltage> To put it simply, I'm giving it away to one of you, for your ballooning projects. :)
[10:38] <fsphil> p+p is actually cheaper from SF than some UK distributors :/
[10:38] <fsphil> customs could spoil the party though
[10:39] <jcoxon> StrayVoltage, you'll have to chose someone!
[10:39] <LazyLeopard> Yeah, customs had fun with my Rickmite...
[10:39] <LazyLeopard> Rock-Mite (even)
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[10:41] <LazyLeopard> It just tripped over the declared-value line, which added about 12 quid to the cost, two-thirds of which was the Post Office's handling fee...
[10:41] <StrayVoltage> jcoxon: Any suggestions?
[10:41] <jcoxon> $$acarus,730,10:41:08,52.031025,12.521926(24381,57.6$89.2,0.0,00"9CD&
[10:43] <StrayVoltage> No? Nobody's up for free money? :(
[10:43] <jcoxon> i'm thinking of who would benefit
[10:43] <jcoxon> any students perhaps working on projects
[10:44] <Randomskk> do we have many students? all I can think of is alien
[10:44] <Randomskk> though there are almost 60 people here now, crazy
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[10:44] <Randomskk> well and apex and cusf, but it's not like cusf is hurting for $30
[10:45] <StrayVoltage> Oh well. If anybody's planning on getting gear for their next launch from SF in the next 60 days, then give me a hint. :)
[10:46] <Randomskk> I was thinking about this earlier, actually - it would be neat to have some sort of a fund for school students looking to do exciting projects, HAB or otherwise. but I guess there are a lot of issues to think about with anything like that.
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[10:49] <jcoxon> hooray - got a string in
[10:50] <fsphil> jcoxon: try a slightly narrower rtty filter
[10:51] <fsphil> just curious to see if it helps for 50 baud, definitely improved 300
[10:52] <jonsowman> morning all
[10:52] <Randomskk> heya jonsowman
[10:53] <jcoxon> if it bursts i won't get any data
[10:53] <jcoxon> struggling at the moment
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[10:55] <_cr3> Welp, 27k exceeded, it's up at 29k now
[10:55] <_cr3> Hope we don't have another floater, it should have cut down by now
[10:55] <_cr3> Can anyone make an estimate as to what height the balloon will burst at?
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[10:56] <fsphil> ah np
[10:56] <Randomskk> _cr3: need payload mass, balloon mass, ascent rate
[10:57] <Randomskk> (http://www.srcf.ucam.org/~cuspaceflight/calc/ )
[10:57] <_cr3> Texting people to get those figures now
[10:59] <_cr3> 3000g balloon, 3500g payload, average 5.7m/s ascent
[10:59] <_cr3> current ascent 7.0m/s
[11:00] <Randomskk> at 5.7 ascent rate, 34850m burst alt
[11:00] <Randomskk> at 7 ascent rate, 32772m burst alt
[11:01] <_cr3> so not actually too much further at all!
[11:01] <_cr3> 31493 at the moment
[11:02] <_cr3> That's a massive relief, we weren't too happy about our trip to poland yesterday, it's a heck of a drive :)
[11:02] <Randomskk> :P
[11:02] <Randomskk> generally very little gets above 36k
[11:03] <_cr3> 32540...
[11:03] <_cr3> Wondering where to position the car
[11:03] <jcoxon> the prediction has gone
[11:03] <_cr3> Considering going up to Baruth/Mark
[11:03] <jcoxon> strange
[11:04] <_cr3> Where would you drive to, if you were me? :)
[11:04] <jcoxon> _cr3, descent will be a shorter mirror image
[11:04] <jcoxon> so while its turned north a bit
[11:04] <jcoxon> it'll swing round again
[11:04] <_cr3> That's interesting
[11:04] <jcoxon> well its the same winds
[11:04] <_cr3> I might head somewhere between where we are now and baruth/mark then
[11:05] <_cr3> it is really rather deviating north now mind
[11:05] <jcoxon> yeah but the lower winds are blowing towards SE
[11:05] <jcoxon> so when it drops lower it'll go SE
[11:05] <_cr3> OK - this is great help
[11:07] <jcoxon> i reckon you are quite well placed
[11:07] <_cr3> We're going to hold fort here
[11:07] <jcoxon> better to get the data and then head off really
[11:07] <jcoxon> its always hard to position yourself
[11:07] <_cr3> For sure
[11:09] <jcoxon> thats getting high
[11:09] <_cr3> Yeeaaah
[11:09] <x-f> to orbit this time :)
[11:09] <fsphil> getting close to berlin
[11:09] <Tiger^> whoa, passed 35k
[11:10] <jcoxon> there you go
[11:10] <jcoxon> predicitions
[11:10] <fsphil> wow
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[11:10] <_cr3> that's not bad, prediction-wise
[11:11] <_cr3> Does the predictor there use wind data, or just path data
[11:11] <jcoxon> wind data
[11:11] <_cr3> neat
[11:12] <_cr3> 36km
[11:12] <_cr3> Off to spaaaaaace
[11:13] <jcoxon> if you were in the UK that'd be a record
[11:13] <fsphil> big time
[11:13] <_cr3> N'awww
[11:13] <Elwell> or a bad calibration :-)
[11:13] <_cr3> We're certainly the winners for malfunctioning cutdowns
[11:13] <jcoxon> nah - happens to everyone
[11:13] <jonsowman> 36km! good lord
[11:13] <fsphil> 36.5
[11:13] <_cr3> 36.5 thankyouverymuch ;)
[11:13] <jonsowman> that's impressive
[11:13] <Randomskk> seriously
[11:14] <Randomskk> especially at 6m/s up
[11:14] <Randomskk> epic balloon apparently
[11:14] <_cr3> You're too kind to our random tomfoolery
[11:14] <Elwell> what baloon were you using?
[11:14] <_cr3> Steve Randall's 3,000g balloon
[11:14] <russss> you must have got a good one
[11:14] Nick change: PhoneBear -> ToraKuma
[11:15] <_cr3> 37k
[11:15] <Randomskk> !
[11:15] <Elwell> landing in frankfurt soon
[11:15] <jcoxon> nearly in top 10
[11:15] <_cr3> Not thrilled about the population there but hey
[11:15] <_cr3> What's the top 1? :D
[11:15] <russss> 39899
[11:15] <jcoxon> yup top 10 now
[11:15] <_cr3> Ooooh
[11:15] <fsphil> congrats :D
[11:16] <russss> http://www.arhab.org/records/records/haltitude.html
[11:16] <_cr3> I'd like to thank my cutdowns, my GPS board and my heliums
[11:16] <jcoxon> burst?
[11:16] <_cr3> looks like it's stopped rising
[11:16] <_cr3> it is level for 3 trans at 37339
[11:17] <_cr3> My radio signal is going crazy, I'm not locked
[11:17] <fsphil> sounds like a burst, ye[
[11:17] <fsphil> yep
[11:17] <_cr3> 33239 now
[11:17] <fsphil> that's one hell of an altitude
[11:17] <_cr3> coming down
[11:17] <russss> that's #7 in the top 10
[11:18] <_cr3> Is that global or UKHAB?
[11:18] <russss> global
[11:18] <_cr3> aaaawesome.
[11:18] <_cr3> 28979 now, it's going well.
[11:19] <jcoxon> i can confirm a 37339
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[11:19] <_cr3> Yay!
[11:20] <x-f> predicted landing in Poland again :/
[11:20] <_cr3> It's not RXd data for a while
[11:20] <_cr3> If it does it does
[11:21] <jcoxon> i'm getting data
[11:22] <jcoxon> 22km
[11:23] <M0JCU> If the rate of descent is really 40 m/s, the prediction is totally wrong.
[11:23] <jcoxon> i think its just an off point
[11:23] <M0JCU> I think you will be bombing Berlin
[11:23] <jcoxon> nah
[11:23] <jonsowman> lol
[11:23] <jcoxon> it'll turn
[11:23] <Randomskk> the rate is usually really high just at burst, because there's so little air for the parachute to do much
[11:23] <_cr3> We're heading to Guben now
[11:24] <Randomskk> as it hits thicker atmosphere the parachute really slows it down
[11:24] <M0JCU> indeed. But I don't recall RoD that high.
[11:24] <jcoxon> 52,52.263836,13.223365,20387
[11:24] <jonsowman> that is higher than usual admittedly
[11:25] <jonsowman> but it was at a higher alt. than normal, so we'll see
[11:25] <_cr3> I just got a couple of sentences to it
[11:28] <M0JCU> OK. 31.3 m/s at 20km is equivalent to 9.3 m/s at sea level
[11:28] <M0JCU> It's going to hurt!
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[11:29] <LazyLeopard> Ouch!
[11:29] <Elwell> you didn't really want that iphone back in one piece did you?
[11:29] <_cr3_> It's not mine
[11:29] <_cr3_> So.... unfussed ;)
[11:29] <jonsowman> let's hope that doesn't land on something easily damageable - is the payload padded etc?
[11:30] <_cr3_> The payload is padded in inch thick dense foam
[11:30] <jonsowman> ah good :)
[11:30] <M0JCU> what does it weigh?
[11:30] <_cr3_> 3.5kg
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[11:30] <M0JCU> 151 Joules
[11:31] <M0JCU> That's more than a bullet :)
[11:31] <Randomskk> also a lot larger than a bullet
[11:31] <Randomskk> and a lot softer than a bullet
[11:31] <_cr3_> And more tracable, as it has our phone number written all over it
[11:31] <Randomskk> :P
[11:31] <jonsowman> ha
[11:31] <Randomskk> depends on just how hard it hits
[11:32] <_cr3_> If it kills a horse, that'd make good film
[11:32] <Randomskk> so long as the outer paper layers burn up on descent you're fine
[11:33] <Randomskk> prediction has come back to the germany side of the border
[11:34] <M0JCU> I think the prediction is based on a much lower RoD (or does it adapt during flight?)
[11:34] <Darkside> is that launch from earlier today still going?
[11:34] <_cr3_> As far as we know it is
[11:34] <Elwell> sods law says it'll find that lake
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[11:34] <_cr3_> I've got my trunks ;)
[11:35] <jcoxon> _cr3_, my experience of floating balloons is that it would have burst at sunrise
[11:35] <_cr3_> Ah okay
[11:35] <_cr3_> Shame it's not in phone signal range then in that case
[11:36] <_cr3_> Nearly under 10k now.
[11:36] <Tiger^> quite strange, it's hard to find a place without GSM coverage in Poland.
[11:37] <_cr3_> It was halfway across when we left it in the evening
[11:37] <fsphil> we need a 3kg balloon for icehalo jcoxon :)
[11:37] <Tiger^> _cr3_: you're thinking Ukraine?
[11:38] <_cr3_> My instinct says yes
[11:38] <_cr3_> My sensible boring head though says poland in a ditch
[11:38] <jcoxon> fsphil, eek not spending that sort of money
[11:38] <Tiger^> possibly
[11:39] <fsphil> split it :)
[11:39] <Elwell> rate of descent seems to be slowing
[11:39] <fsphil> eek, think of the helium
[11:39] <_cr3_> it is raining cats and dogs out here
[11:40] <_cr3_> worst weather I've seen in a while
[11:40] <_cr3_> Could be worse, could be snow..
[11:40] <fsphil> cats, dogs and payloads
[11:40] <M0JCU> Thunderstorm! Could start going up again ]>
[11:41] <Elwell> bah and my blitzortung board is offline too.
[11:42] <M0JCU> looks like the chase car is going the wrong way!
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[11:42] <_cr3> vodafone coverage out here: not fabulous
[11:42] <Elwell> no strikes around there http://www.blitzortung.org/Webpages/index.php?lang=en&subpage_0=7
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[11:47] <Elwell> err if it overruns the predicted landing site they look stuffed
[11:48] <Elwell> satellite image looks military
[11:48] <_cr3> Haha
[11:48] <_cr3> Oh boy
[11:49] <Elwell> and lots of trees
[11:50] <_cr3> We have a very, very long stick
[11:50] <_cr3> Do not underestimate my stick
[11:50] <fsphil> beware big sticks in thunderstorms :)
[11:51] <_cr3> I'll fly a key on a kite to distract it
[11:51] Action: Elwell -> lunch
[11:51] <_cr3> Get the rope nice and wet so you can see it in the lught ;)
[11:52] <_cr3> The predictor is pretty sure of itself, it's not moved for a few reports now
[11:52] <_cr3> That is not an ideal landing site but it will make the discovery interesting
[11:52] <Randomskk> :P
[11:52] <Randomskk> the predictor is generally good on the way down
[11:52] <Randomskk> the burst altitude is one of the biggest unknowns for prediction when still going up
[11:55] <_cr3> Looks like we're about to take a road through a nice forest
[11:55] <_cr3> That'll be lovely
[11:55] <Randomskk> hehe :P
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[12:03] <_cr3_> Does anyone want to hazard a guess as to the landing ETA?
[12:03] <jcoxon> 12:11
[12:03] <_cr3_> Fab
[12:03] <jcoxon> the predictor tells you :-p
[12:03] <_cr3_> Oh really?
[12:03] <_cr3_> Sorry!
[12:04] <Randomskk> just click the landing icon
[12:04] <jcoxon> just click on the target
[12:04] <_cr3_> Magic!
[12:04] <_cr3_> Tomtom puts us at 34 mins away so we'll have to pick it out of a tree
[12:09] <_cr3_> And we've totally lost signal now :)
[12:09] <_cr3_> We're in the hands of the predictor and the yagi now
[12:09] <_cr3_> And apple, if our phone doesn't smash in to bit
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[12:10] <_cr3_> Sup mike
[12:10] <l33tmike> sup seearrfrwee
[12:10] <_cr3_> We're finding it now - updates as they come
[12:11] <l33tmike> it looks to be reported rather close to the water - have you got a dinghy in the car?
[12:12] <_cr3_> I have some trunks ;)
[12:15] <Tiger^> Average depth 2.8 m
[12:15] <Tiger^> Max. depth 7 m
[12:15] <Tiger^> ;)
[12:15] <staylo> And a snorkel? :)
[12:15] <_cr3_> nice!
[12:15] <Tiger^> http://en.wikipedia.org/wiki/File:Schwielochsee.JPG
[12:15] <Tiger^> looks nice, tho
[12:16] <fsphil> bit cold for a dip
[12:23] <_cr3_> Okay, we're off to Karras
[12:23] <_cr3_> We're in a very expensive brand new bright orange land rover so I don't imagine any farmers will see us trying to drive through their fields at all, no
[12:25] <l33tmike> using the predicted landing site rather than the last reported, or has spacenear.us not got the latest data?
[12:25] <_cr3_> spacenear predicted target
[12:25] <_cr3_> there's a farmer trail down from karras and we're going for it
[12:27] <Tiger^> well, it should be in phone range by now
[12:27] <Tiger^> can you get GPS data via sms?
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[12:28] <_cr3_> Possibly but it's not responding
[12:28] <_cr3_> Either it's smashed in to a tree
[12:28] <_cr3_> Or it's knocked the sim loose
[12:28] <_cr3_> Or it's just out of signal
[12:28] <Colin_> in thelake?
[12:28] <fsphil> the cold temperatures might have zapped the iphone battery
[12:28] <_cr3_> probably not
[12:28] <_cr3_> lake, that is
[12:28] <_cr3_> battery, quite possible
[12:28] <Laurenceb> oh i got $10 on free day
[12:28] <_cr3_> it's LiPo I believe
[12:28] <Laurenceb> very good
[12:29] <fsphil> nice one Laurenceb :)
[12:29] <Laurenceb> thats about $10/hour hitting F5
[12:29] <Colin_> You hoping to get a signal when you get closer?
[12:29] <Laurenceb> not a bad wage
[12:29] <_cr3_> Yeah we're going to whack out the YAGI
[12:29] <_cr3_> The car is going offroad so we can attempt tracking
[12:29] <_cr3_> Should be amusing
[12:29] <fsphil> I seemed to be lucky and get through within half an hour
[12:29] <_cr3_> We're 9 mins from the site now and all our phones are dead, this is a bad signal area
[12:30] <fsphil> took the loyalty option rather than risk the quiz
[12:30] <_cr3_> Only Voda is in service (hence data stick is working)
[12:32] <_cr3_> Faint radio signal
[12:32] <fsphil> good luck with the recovery!
[12:32] <fsphil> ooh
[12:32] <_cr3_> very faint
[12:32] <_cr3_> using my honed listening skills now
[12:33] <_cr3_> it's like white noise torture
[12:33] <fsphil> can you get a rough direction by moving the yagi?
[12:33] <_cr3_> we're on whip at the moment, can only use yagi when stopped
[12:33] <Laurenceb> Max. Altitude: 37244 m
[12:33] <Laurenceb> seriously?
[12:33] <_cr3_> Yep
[12:33] <_cr3_> We win at heights
[12:33] <Laurenceb> wow
[12:33] <Laurenceb> thats a new record
[12:33] <fsphil> high on helium
[12:33] <_cr3_> #7 globally we're told
[12:33] <Laurenceb> what envelopes are you using?
[12:33] <_cr3_> Envewhats
[12:34] <staylo> Maybe worth stopping and taking a yagi direction to help with triangulation?
[12:34] <Laurenceb> the latex balloons
[12:34] <Laurenceb> what make?
[12:34] <_cr3_> 3000g
[12:34] <Laurenceb> from?
[12:34] <_cr3_> no idea, bought from rocketboy
[12:34] <Laurenceb> oh wow
[12:34] <Laurenceb> totex then i think
[12:34] <_cr3_> that sounds familiar
[12:34] <Laurenceb> we didnt think you could make it past 36Km with those
[12:34] <fsphil> how long did it take to fill?
[12:34] <_cr3_> signal recovery in progress...
[12:35] <Laurenceb> the predictor will go to 40Km +, but superpressure effects become significant
[12:35] <_cr3_> 65m altitude
[12:35] <_cr3_> gps location acquired
[12:35] <_cr3_> plotting now
[12:35] <Laurenceb> probably what you saw yesterday
[12:35] <fsphil> fantastic
[12:35] <Laurenceb> with the float
[12:35] <Laurenceb> is there camera on board?
[12:36] <fsphil> latex balloons can do the super pressure thing?
[12:36] <Laurenceb> fsphil: we've seen them float before
[12:36] <_cr3_> going for a sentence now
[12:36] <Laurenceb> it seems to be superpressure if then only have slight excess bouyancy
[12:36] <_cr3_> achieved! check tracker!
[12:36] <fsphil> sweet
[12:36] <Laurenceb> e.g <4m/s ascent rate
[12:37] <l33tmike> :o nice
[12:37] <fsphil> fingers crossed it's not in a tree
[12:37] <fsphil> or a lake
[12:38] <fsphil> wow, just saw the satellite photo
[12:39] <Laurenceb> do you have record for float and altitude now ?!
[12:39] <fsphil> get the pole ready!
[12:39] <Laurenceb> 75m sounds like a tall tree :S
[12:39] <_cr3_> Hahaha, yeah
[12:39] <_cr3_> We're at 55m
[12:39] <Colin_> what is the ground height?
[12:39] <_cr3_> So 25m up a tree
[12:40] <_cr3_> 55m
[12:40] <Laurenceb> yeah that sounds like a tree :(
[12:40] <_cr3_> OFFROADING IT YO
[12:40] <l33tmike> this all being filmed?
[12:40] <Laurenceb> gps is usually less than 25m error
[12:40] <fsphil> looking at that photo, it would have been lucky to miss the trees
[12:40] <_cr3_> Yes
[12:41] Action: fsphil waves for the camera
[12:41] <Colin_> photo?
[12:45] <l33tmike> am I reading the contours of the terrain view (of the gmap) correctly to imply it is up a hill from where you are?
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[12:50] <Laurenceb> oh wow
[12:51] <Laurenceb> google actually added contours to terrain
[12:51] <Laurenceb> they finally did something sensible
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[12:51] <Colin_> it's been available in some areas for quite a while - I expect it depends on the map data being available
[12:52] <Laurenceb> ah
[12:52] <Laurenceb> but they had shaded stuff for ages
[12:52] <Laurenceb> that was completely unusable
[12:52] <Laurenceb> actually there are the MSL markers on the contours?
[12:53] <Laurenceb> i have some 1928 ordinance survey maps that are way more user friendly than google maps
[12:56] <Randomskk> depends what you're doing with them
[12:56] <Randomskk> for reading contours, sure
[12:56] <Randomskk> for navigating from one post code to another, I'm willing to bet that google maps is more user friendly :P
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[12:58] <Laurenceb> sure, but for serious work - e.g. finding good locations to launch RC gliders
[12:58] <Laurenceb> i also particularly like the graphic design on the really old maps - its very well done and easy to read
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[12:59] <Laurenceb> http://cism.kingston.ac.uk/people/details.php?AuthorID=4
[12:59] <Laurenceb> nominative determinism strikes again
[13:02] <Laurenceb> J. Orwell, "Video-based detection of specific events in public transport networks"
[13:02] <Laurenceb> lmao
[13:03] <Randomskk> hah
[13:03] <Randomskk> that's a bit unfortunate
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[13:07] Action: Laurenceb looks at his good tracking system
[13:07] <Laurenceb> *goods
[13:07] <Laurenceb> 13/01/11 Trollface 3Kg of coal
[13:10] <Laurenceb> someone seems to be taking the mic
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[13:16] <_cr3> Foiled by a river, trying from back nowl.
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[13:19] <fsphil> hmmm.. another brief power cut, second in two days
[13:19] <Laurenceb> its the black holes at the lhc
[13:22] <staylo> Mass bird suicide at the substation
[13:23] <fsphil> thank goodness for battery backup
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[13:30] <Elwell> Laurenceb: HEY, our black holes are well behaved :-)
[13:34] <fsphil> mm lights keep flickering
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[13:54] <Elwell> damn, no news on recovery?
[13:54] <Elwell> ah, it made it over the lake then
[13:54] <Colin_> yes, and then they were the wrong side of a small river
[13:55] <Colin_> it's only been 25 mins since they left the car on this attempt
[13:56] <Elwell> pft, where's their dedication with mobile speech -> irc
[13:57] <Colin_> lack of phone coverage is a problem apparently
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[14:04] <_cr3> News.
[14:04] <Darkside> ?
[14:04] <_cr3> Payload intact.
[14:04] <_cr3> Planes released.
[14:04] <_cr3> Pyros successful!
[14:05] <Darkside> oo
[14:05] <Darkside> nice
[14:05] <Randomskk> !
[14:05] <Randomskk> sweet
[14:05] <Elwell> yay
[14:05] <_cr3> Looks like we have a victory!
[14:05] <Darkside> pics?
[14:05] <Randomskk> wait, pyros successful? didn't it not cut down?
[14:05] <_cr3> The parachute got caught on the pyro wires!
[14:05] <_cr3> Unbelievable but totally successful
[14:05] <fsphil> congratulations _cr3 - brilliant flight(s)
[14:05] <_cr3> Photos and film coming soon to an internet near you..
[14:05] <Randomskk> fantastic
[14:05] <_cr3> Thanks so much guys, we absolutely couldn't have done it without IRC help
[14:05] <Elwell> off to find the nearest wifi zone then
[14:05] <Colin_> yay - congrats
[14:06] <Randomskk> well done :D
[14:06] <_cr3> The payload was 30ft in the air
[14:06] <_cr3> which coincidentally was the max length of our extendable stick
[14:06] <Randomskk> haha
[14:06] <fsphil> ah you got to use it
[14:06] <_cr3> We got it down by dragging the cord above and it was -perfect-
[14:06] <_cr3> Truly elated, what a rush
[14:07] <_cr3> We will be getting footage from the HD Heroes when we're back at a dry base
[14:07] <_cr3> There's foot-deep snow here and it's raining
[14:07] <Randomskk> epic
[14:07] <_cr3> truly
[14:08] <_cr3> we have a lot of footage, I'll try and get you guys a cut that focuses on launch, tracking and finding
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[14:10] <_cr3> I'm just going to get fldigi to update to the recovered position for completion :)
[14:11] <_cr3> There we go :)
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[14:27] <m1x10> anyone won any money on sparkfun free day ? :)
[14:28] <fsphil> a little bit
[14:29] <m1x10> :p
[14:30] <jkominar> tried ... failed.
[14:30] <fsphil> home time .. woo-hoo
[14:30] <jkominar> got through last year though, so the GPS on my balloon is complements of them :)
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[15:11] <Laurenceb> i won $10
[15:17] <fsphil> if their servers had been going better, I might have tried the quiz
[15:19] <fsphil> "The latest batch of FUNcube VHF/UHF Software Defined Radios (SDRs) goes on sale today, Friday, Jan 14 at 20:00 UT"
[15:43] Action: Elwell patpats his
[15:44] <Elwell> need better antenna though
[15:44] <fsphil> works well then? I'm sooo tempted
[15:45] <fsphil> been after an sdr for ages but the usrp was just too expensive
[15:45] <Elwell> fsphil: tbh I've only had about 90 mins playing with it
[15:46] <Elwell> the linux tuning app segfaults (libpthread) so I've had to run usb forwarded to a virtualbox win7 instance
[15:46] <fsphil> eep
[15:47] <Elwell> I basically want it for sucking up aprs, acarsd data and eventually (once I get the rotators on the club shack working) grabbing sat telemetry
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[15:49] <fsphil> it's RX only isn't it?
[15:50] <Elwell> yeah
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[15:57] <Elwell> but the shack has a decent (but old) transciever
[16:14] <jcoxon> afternoon all
[16:14] <m1x10> ping all
[16:14] <m1x10> http://imagebin.org/132605
[16:14] <m1x10> can someone understand why im getting this semi-garbage?
[16:15] <fsphil> has to be timing
[16:15] <m1x10> what can I look for?
[16:16] <fsphil> not sure, just anywhere the speed is set
[16:16] <m1x10> code is very simple
[16:16] <m1x10> Serial1.begin(9600);
[16:16] <m1x10> Serial.begin(9600);
[16:17] <m1x10> Serial for gps, Serial1 for usb2ttl
[16:17] <fsphil> how does that function set the speed
[16:17] <m1x10> fsphil this thing was working just fine
[16:17] <fsphil> it may depend on something that you haven't set right
[16:18] <m1x10> until i did some damages
[16:19] <jcoxon> what sort of damage?
[16:20] <jcoxon> what sort of antenna shall i make for picoatlas - its not going to go very high
[16:21] <m1x10> jcoxon last time I messed the camera cables and actually I burned the camera.
[16:22] <fsphil> bazooka is simple and light, but a pain in the butt to make
[16:23] <jcoxon> yeah i don't have enough coax for that
[16:23] <jcoxon> dipole?
[16:27] <Randomskk> why not just a quarter wave whip? standard and work
[16:27] <jcoxon> i was wondering if something would be more optimised for a low alt flight
[16:28] <fsphil> quarter wave might work better there
[16:29] <fsphil> or even a 5/8 wave vertical
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[16:30] <fsphil> I think the 5/8 is made the same as the 1/4, just bigger
[16:32] <fsphil> uh no, it needs a small coil
[16:33] <fsphil> nah, stick with what works
[16:33] <jcoxon> yeah 1/4 wave GP is lightweight
[16:33] <jcoxon> easy to make
[16:33] <fsphil> yea, no heavier than the bazooka and probably works better
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[16:36] <jcoxon> hmmm the float trajectories for picoatlas aren't great
[16:38] <m1x10> I dont know
[16:38] <m1x10> nothing is working
[16:39] <m1x10> is it possible that because i burned the camera (mixed gnd & vcc cables) the rest connected devices got damaged?
[16:40] <jcoxon> yes it is possible
[16:40] <fsphil> would tend to kill the chip outright though, you're getting some data
[16:42] <m1x10> i have ordered 2 atmega644p
[16:43] <m1x10> just because i think the mcu got damaged
[16:43] <m1x10> most about uarts
[16:43] <m1x10> but I use the uarts with the usb2ttl and works fine
[16:43] <fsphil> it definitely worked before with the 7.3728mhz crystal?
[16:44] <m1x10> eveything worked with 7.3728mhz crystal and 3v3 breakout
[16:44] <m1x10> just after i did the camera thing everything ruined
[16:47] <m1x10> instead of making some steps forward I just fell back
[16:47] <m1x10> dont know im very frustrated
[16:47] <m1x10> everything was going so normal
[16:48] <m1x10> i will try to verify that the gps is working
[16:48] <fsphil> electronics can be very frustrating!
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[16:58] <W0OTM> grrr! can someone clear the NOAA cache on the prediction site
[16:58] <W0OTM> http://habhub.org/predict/#!/uuid=0864765b8d582e0c8a4c500a9780096552ffa238
[16:58] <W0OTM> god that annoys me
[16:58] <fsphil> try now
[16:59] <W0OTM> thank you
[16:59] <W0OTM> is there some 'enduser' way I can do it
[16:59] <W0OTM> in case you or someone who can isn't around?
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[17:00] <fsphil> not yet
[17:00] <W0OTM> grrrr
[17:00] <fsphil> ideally there'd be some way to detect corruption, and retry automatically
[17:01] <W0OTM> well, seems to me to be easy to throw together some basic script to flush cache
[17:02] <W0OTM> but im no expert
[17:04] <Randomskk> open an issue, http://github.com/jonsowman/cusf-standalone-predictor/issues
[17:05] <W0OTM> I would, but I don't feel like signing up for 'another' account
[17:06] <W0OTM> ill just be one of those people who just b*tch and complain :)
[17:07] <jcoxon> hmmm i'm having difficulties designing a payload container for picoatlas
[17:07] <jonsowman> yeah I should probably add that feature
[17:07] <jonsowman> I'll make an issue
[17:07] <jcoxon> i'm tempted to go for the bubblewrap approach
[17:10] <fsphil> payloads nice and light so you won't need that much padding
[17:11] <jcoxon> yeah
[17:14] <fsphil> anyone know a good supplier of parachutes? steve doesn't seem to have them anymore
[17:15] <m1x10> ok, Ive tested the gps with the normal simple circuits and it outputs semi garbage stuff.
[17:19] <m1x10> I will never do it
[17:20] <m1x10> gps and camera dead
[17:20] <jonsowman> fsphil: what sort are you looking for?
[17:21] <jcoxon> jonsowman, did you email the cusf list?
[17:21] <jonsowman> no, did you want me to?
[17:21] <jcoxon> oh i thought you were going to this morning
[17:21] <fsphil> not sure jonsowman, whatever the last one was -- all I know is that it was black :)
[17:21] <jcoxon> do we need to?
[17:21] <jonsowman> jcoxon: I've emailed Chu, but not the list
[17:22] <jcoxon> oh right
[17:22] <jcoxon> cool cool
[17:22] <jcoxon> still up for launch?
[17:22] <jcoxon> i'll email the ukhas list then
[17:22] <fsphil> m1x10, take everything apart -- test each bit on it's own
[17:22] <jonsowman> definitely :)
[17:22] <fsphil> could be something very simple
[17:22] <jonsowman> jcoxon: you might as well just cc the cusf list
[17:23] <fsphil> and always double check wiring before switching on power
[17:23] <jonsowman> cuspaceflight@cusu.cam.ac.uk
[17:23] <fsphil> I've destroyed many a part by not checking :)
[17:23] <jcoxon> will it go through?
[17:23] <jonsowman> jcoxon: yes
[17:23] <jonsowman> fsphil: maybe Rockets & Things? worth a look
[17:23] <fsphil> they're all out of stock -- will email and see when they're getting them back, don't need them for a while
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[17:34] <griffonbot> Received email: James Coxon <jacoxon@gmail.com> "PicoAtlas - Launch: Monday 17/1/2011 ~ 12:00UTC"
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[17:48] <griffonbot> @jamescoxon: Picoatlas super-pressure balloon launch 17/1/11 12:00UTC from Cambridge - http://wiki.ukhas.org.uk/projects:picoatlas #atlasballoon [http://twitter.com/jamescoxon/status/25972416266117121]
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[19:09] <griffonbot> Received email: Neil Baker <neil@futurity.co.uk> "Re: PicoAtlas - Launch: Monday 17/1/2011 ~ 12:00UTC"
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[19:25] <NigeyS> evening all
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[19:28] <jcoxon> evening
[19:28] <GW8RAK> `evening jcoxon
[19:29] <GW8RAK> Been reading about picoatlas and the problem of superpressure
[19:29] <NigeyS> evening james, GW8RAK
[19:29] <jcoxon> the advantages of superpressure!
[19:29] <GW8RAK> It's too late for this weekend, but I may be able to get one in an altitude test chamber at some point in the future
[19:30] <GW8RAK> Evening NigeyS
[19:30] <jcoxon> that would be interesting
[19:31] <GW8RAK> I don't know how big it is, but if takes aircraft parts, so must be quite large.
[19:31] <NigeyS> sounds fun
[19:31] <GW8RAK> We could get a couple of foil balloons at different levels of inflation and see what happens
[19:31] <Upu> I am going to make a ROBAWT! http://www.youtube.com/watch?v=_C3D0rcFXrY&feature=player_embedded
[19:32] <NigeyS> lmao upu, a bit messy though !
[19:32] <Upu> that is very funny
[19:33] <chembrow> lol. I need to get around to finishing mine at some point: http://letsmakerobots.com/node/16259
[19:34] <Upu> I love the hexapods
[19:34] <Upu> they are the robotic cool equivalent of the quad rotor coptors
[19:34] <chembrow> me too. I've done a few rovers, but always fancy a hex. I need to redesign the legs tho.
[19:35] <chembrow> a quad copter is on my list of projects to do post robot. along with a suv submarine
[19:39] <jcoxon> okay starting picoatlas test - with fully charged battery (2000mAh)
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[19:41] <griffonbot> @jamescoxon: picoatlas 'soak test' starts now... fully charged 2000mAh LiPo #atlasballoon [http://twitter.com/jamescoxon/status/26000893509898240]
[19:41] <fsphil> how long do you expect it to run for?
[19:42] <jcoxon> quite a while - i've got a low power mode that sleeps the radio for 30 seconds in between tx
[19:42] <jcoxon> which will kick in after 1000 loops
[19:43] <NigeyS> sweet
[19:43] <NigeyS> hey fsphil
[19:43] <fsphil> g'day NigeyS
[19:44] <NigeyS> cloudy again, telescope not seeing much action this month :(
[19:45] <fsphil> the joys of astronomy :)
[19:45] <NigeyS> hehe yup, wanted to get some new images of orion this month *sigh*
[19:46] <Upu> http://www.veryamateur.co.uk/ (SFW!) he got the Pleides earlier this week
[19:46] <Upu> been a while since I've done any
[19:47] <fsphil> nice
[19:48] <NigeyS> now thats a nice image, its quite hard to get images of the Pleiades that show alot of the nebulosity
[19:51] <fsphil> good focus too, I never managed to get the stars very sharp
[19:51] <NigeyS> yup, that's mainly dependant on seeing conditions to
[19:52] <Laurenceb_> haha veryamateur
[19:52] <Laurenceb_> sounds verynsfw
[19:52] <NigeyS> some nights i get great points, others you can barely focus at all, even worse on planets
[19:53] <Upu> yeah we did comment on that when he choose the name
[20:04] <NigeyS> anyone want to see an asteroid i captured last year? :D
[20:05] <Gnea> NigeyS: sure
[20:06] <jcoxon> yes please
[20:06] <NigeyS> http://www.nigey.co.uk/astro/Noise.htm
[20:06] <NigeyS> bottom left, you'll see a faint dot move from the very bottom to the top, increases in brightness and size over the 3 frames
[20:07] <NigeyS> theres another towards the middle of the frame to but it was never varified :(
[20:08] <Gnea> NigeyS: awesome, that's with a radio telescope?
[20:09] <NigeyS> no, thats with a 12" schmidt
[20:09] <Gnea> cool
[20:09] <jcoxon> antenna finished
[20:09] <Gnea> http://home.engineering.iastate.edu/~sprader/image/perseids-2010/100_6162e.JPG <-- meteor I took with a kodak easyshare last summer
[20:09] <NigeyS> :D let me find my favourite pic, its full of surprises, in just 1 image!
[20:09] <Gnea> okay :)
[20:09] <NigeyS> thats a great pic Gnea !
[20:10] <Gnea> thanks!
[20:10] <NigeyS> http://www.nigey.co.uk/images/astro/M40-Combined.jpg
[20:11] <NigeyS> can see better on the inverted image http://www.nigey.co.uk/images/astro/M40-Inverted.jpg
[20:12] <Gnea> NigeyS: that's tight.
[20:12] <jcoxon> NigeyS, thats awesome
[20:12] <NigeyS> Thanks, the 2 SDSS tags are both quasars, about 6BN light years away
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[20:17] <NigeyS> things to do with a telescope, and a spare joystick .... http://www.youtube.com/thenigeyuk#p/a/u/2/DzlbYQHc_Og
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[20:20] <Gnea> NigeyS: Impressive
[20:21] <NigeyS> it works well on the cg5 mount, not so good on a cgem :(
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[20:27] <jcoxon> SpikeUK, did you make any progress on your idea for emergency comms in disaster zones via balloon?
[20:28] <SpikeUK> jcoxon Hi James! I didn't but there's lots of other stuff going on
[20:30] <jcoxon> cool cool
[20:33] <jcoxon> its certainly something that could be created out of the technology everyone has developed on here
[20:34] <jcoxon> especially if we used http://openbts.sourceforge.net/
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[20:37] <SpeedEvil> that needs a fair amount of power - a few dozen watts IIRC
[20:37] <SpeedEvil> Enough to be annoying anywah
[20:37] <SpeedEvil> y
[20:47] <m1x10> seems that the gps works fine: http://imagebin.org/132638
[20:47] <m1x10> just plugged it on an arduino
[20:48] <m1x10> also got lock!
[20:48] <m1x10> $GPRMC,204838.00,A,4038.85664,N,02256.75377,E,1.340,22.59,140111,,,A*51
[20:49] <m1x10> so I guess the gps is not burned
[20:49] <m1x10> :)
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[20:53] <fsphil> bet that's a relief m1x10
[20:54] <chembrow> is it possible to permanently set a gpsbee to airborne mode? or do you have to set the mode every time?
[20:54] <jcoxon> chembrow, set it everytime
[20:54] <jcoxon> bbiab
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[20:55] <fsphil> oh cool, I didn't know stellarium did scope control
[20:55] <fsphil> I set the command to goto airborne mode about once a minute
[20:55] <chembrow> darn. it's just dawned on me that the board I've soldered everything to doesn't have TX for the GPS; the GPS I was planning on using it didn't need it :(
[20:56] <chembrow> have to make a new board and desolder everthing important
[20:56] <fsphil> any space for soldering a wire just to do tx?
[20:57] <chembrow> possibly. but I'd rather do it properly. I spent so long designing the board and soldering the SMD components it feels a shame to have to frig it
[20:58] <chembrow> it's not that big a deal, I etched my own board so no great loss
[20:59] <chembrow> might just solder a wire for testing when the gpsbee arrives
[21:00] <Laurenceb_> LCD panels are so annoying
[21:00] <Laurenceb_> +32V, -22V, +23V pwm, +5V, +3.3V all sequenced
[21:10] <m1x10> But i dont know why the gpsbee outputs those GPTXT messages
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[21:10] <m1x10> and when im issuing ublox protocol commands, response is gargabe.
[21:11] <m1x10> garbage!
[21:11] <fsphil> strange, you'd think it would be identical to the fsa03
[21:13] <m1x10> it is
[21:14] <m1x10> i used gpsbee before with 644p at 14mhz
[21:14] <m1x10> and ublox was identical
[21:14] <m1x10> but know it does not work
[21:14] <m1x10> now*
[21:26] <m1x10> anyway!
[21:26] <m1x10> cu guys !
[21:26] <m1x10> keep habing
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[22:52] <jcoxon> hmmm what is more likely to happen - people to listen for a long duration balloon during the day or the night?
[22:53] <jcoxon> i'm trying to think of low power modes and when to implement it
[22:54] <Randomskk> I'd split the time into day, evening, night (with morning batched into day), then order them in likliness, highest to low, evening day night
[22:54] <Randomskk> people home from work/school in the evening, people free in the day, people not sleeping at night
[22:54] <jcoxon> so currently i have it setup to have no gaps between tx for the first 1000 cycles
[22:55] <jcoxon> to allow for launch and early tracking
[22:58] <jonsowman> hi all
[22:58] <jcoxon> hey
[22:59] <jonsowman> no reply from chu yet jcoxon, will let you know. all I've got so far is an out of office reply from the maintenance manager
[23:01] <jcoxon> okay
[23:01] <jcoxon> when does term start again?
[23:02] <jonsowman> tuesday technically
[23:02] <jonsowman> thursday is first day of lectures
[23:02] <jcoxon> oh so they should be around then
[23:02] <jcoxon> is this likely to be a problem?
[23:02] <jonsowman> someone needs to reply in order that we have permission from the college
[23:03] <jonsowman> also we need someone to put us on the maintenance dept. rota so that we can get the helium keys
[23:03] <jonsowman> if I haven't heard anything by tomorrow I'll email a churchill CUSF member and see if they can go and poke the porters
[23:03] <jcoxon> okay, keep me updated
[23:03] <jcoxon> could postpone to tues if necessary
[23:04] <jonsowman> will do
[23:04] <jonsowman> we should be alright :)
[23:04] <jcoxon> but wouldn't mind getting this launch done :-p
[23:04] <jonsowman> if you see ejcweb on here, give him a shout and see if he's in cambridge
[23:04] <jonsowman> hehe yeah, i'm sure it'll be fine
[23:06] <jcoxon> Randomskk, https://github.com/jamescoxon/PicoAtlas/blob/master/Pico2/Pico2.pde#L236
[23:07] <Randomskk> jcoxon: does the avr use much power? you could have that sleep too fairly easily
[23:08] <Randomskk> little bit more code but you could make a sleep_seconds function or similar
[23:08] <Randomskk> I guess it's insignificant compared to the radio though
[23:09] <Randomskk> looks good though
[23:09] <jcoxon> powering down the gps might be a better move
[23:09] <jcoxon> or at least a low power mode
[23:09] <Randomskk> indeed
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[23:30] <fsphil> the EL stuff on sparkfun didn't stay in stock long
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[23:32] <jcoxon> tron made it a bit popular
[23:32] <Darkside> haha
[23:33] <Darkside> ok, so horus 14 will be next week sometime, potentially tuesday or wednesday
[23:33] <Darkside> it will have 2 telemetry payloads, the standard one, and a VHF payload. It will also be flying a penguin
[23:34] <fsphil> in space no-one can hear you pronounce linux
[23:34] <jcoxon> hehe
[23:34] <Darkside> haha
[23:34] <jcoxon> Darkside, APRS?
[23:34] <Darkside> jcoxon: nope
[23:34] <Darkside> 151.3MHz, 100mW
[23:34] <jcoxon> oh okay
[23:34] <Darkside> its the TX1H radiometrix module
[23:35] <fsphil> is that an amateur frequency?
[23:35] <jcoxon> thought you were abandoning spacenear.us etc - which would make me sad
[23:35] <Darkside> nope
[23:35] <Darkside> jcoxon: hell no
[23:35] <Darkside> it would be nice to have a mirror somewhere in australia tho
[23:35] <jcoxon> yeah
[23:35] <Darkside> we have enough VPS's and servers and things to run one
[23:35] <jcoxon> well when they roll out habitat (spacenear.us v2) it'll be easy to do that
[23:35] <Darkside> cool
[23:35] <Darkside> http://imgur.com/a/bC9gl/horus_14_prep
[23:35] <Darkside> check that out
[23:36] <jcoxon> you'll be able to run local copies on your chase cars
[23:36] <jcoxon> its all scalable
[23:36] <Darkside> its the VHF payload, using the new MobSenDat boards that were designed for this
[23:36] <Darkside> well, somewhat designed for this
[23:36] <jcoxon> nice board!
[23:37] <Darkside> the board was designed for the arduino miniconf, which is part of linux conf australia
[23:37] <Darkside> we requested a few features :P
[23:37] <Darkside> and now it works well for HAB stuff - the radiometrix module isnt wired up how we use it tho
[23:38] <Darkside> hence the hack
[23:38] <jcoxon> looks good
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[00:00] --- Sat Jan 15 2011