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[04:06] <fsphil> 5am, we meet again
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[05:51] <nosebleedKT> ping fsphil
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[06:27] <nosebleedKT> hi juxta
[06:27] <nosebleedKT> :)
[06:28] <juxta> hi nosebleedKT
[06:28] <nosebleedKT> I just found the hollandshoogte.nl project. He says "This confirms my theory that you dont need to worry about isolation for temperature, as there is little mass to transfer the cold at -50C at 30km altitude"
[06:29] <nosebleedKT> and the lowest temp he got was +5C
[06:29] <nosebleedKT> How is that possible when other get arround -20C inside the payload?
[06:31] <nosebleedKT> juxta: how is australia? Got summer there now ?
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[06:31] <juxta> rained all day today
[06:32] <juxta> i've got to dash. will pop back in later tonight
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[06:41] <fsphil-m> Who invented mornings. They need a good kick :)
[06:42] <fsphil-m> Whoops, bbl
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[06:49] Nick change: darknesslord_ -> israelzuniga
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[07:24] <NigelMoby> Meep
[07:24] <Darkside> meep
[07:24] <Darkside> oh man
[07:24] <NigelMoby> Tooo early
[07:24] <Darkside> I should do a lightning talk at the conf via skype
[07:25] <NigelMoby> Yush!
[07:25] <Darkside> hmm
[07:26] <Darkside> who should.I talk to about that
[07:26] <NigelMoby> Upu or Jcoxon
[07:26] <UpuWork> 1 sec
[07:26] <UpuWork> just on phone
[07:27] <UpuWork> would be good what are you interested in?
[07:27] <Darkside> what time would it be at? so I can figure out if i'll be awake
[07:27] <NigelMoby> I gtg if Phil pops on ask him to txt me when he gets to bristol
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[07:28] <UpuWork> whats your timezone ?
[07:29] <Darkside> +10.5
[07:29] <UpuWork> Nearest big city ?
[07:30] <Darkside> adelaide
[07:30] <UpuWork> yay I guessed correct
[07:31] <Darkside> some sites dont take into account our DST
[07:31] <UpuWork> probably going to have to be a morning slot
[07:31] <UpuWork> http://www.timeanddate.com/worldclock/meetingtime.html?iso=20111015&p2=5&p3=179
[07:31] <Darkside> just give me a tine and ill be around
[07:31] <Darkside> ill give a micronut talk
[07:31] <Darkside> :p
[07:31] <UpuWork> well
[07:32] <UpuWork> James is doing a pico hab talk so we could tag you on that
[07:32] <Darkside> heh
[07:32] <UpuWork> that would fit in well as he's doing that first thing
[07:32] <UpuWork> so about 22:00 your time
[07:32] <UpuWork> sound good ?
[07:32] <Darkside> also micronut now officially does aprs
[07:32] <Darkside> sure
[07:32] <Darkside> we have 2 working aprs trackers
[07:33] <Darkside> gonna do some weight measurements tonight
[07:33] <UpuWork> ok booked you in I need to firm this up with James this evening
[07:34] <Darkside> kk
[07:35] <Darkside> bbl
[07:37] <UpuWork> btw http://www.youtube.com/watch?v=kAG39jKi0lI
[07:39] <UpuWork> what is your timezone called btw ?
[07:39] <UpuWork> Darkside
[07:48] <Darkside> CDT
[07:48] <Darkside> at the moment anyway
[07:48] <Darkside> normally CST
[07:54] <UpuWork> http://ukhas.org.uk/general:ukhasconference
[07:54] <UpuWork> now with time zones
[07:55] <Darkside> cool
[08:01] <UpuWork> might change will speak to James later
[08:03] <eroomde> better tho :)
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[08:09] <UpuWork> I suspect we won't fit it all in :)
[08:09] <UpuWork> 2 days NEC next time
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[08:14] <eroomde> :)
[08:14] <eroomde> we can build up to a mass launch inc ambridge
[08:14] <eroomde> gpsl style
[08:14] <eroomde> in cambridge*
[08:14] <UpuWork> yeah
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[08:17] <daveake> ping DanielRichman
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[08:24] <UpuWork> so you coming Adam ?
[08:30] <daveake> ping any Habitat experts ... :)
[08:31] <GW8RAK> NigelMoby, are you still thinking of a floating launch this afternoon?
[08:31] <Darkside> oh yeah, it looks like we'll be doing a small launch on sunday
[08:31] <Darkside> it'll have to be <50g
[08:31] <Darkside> so i'll be working on a <50g payload today :P
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[08:36] <daveake> Had a fun drive to my customer this morning .... set up the car PC for tracking, and brought Buzz along with me :D
[08:38] <daveake> I ran my program that points to where the payload is. It told me it was approx 0.5km behind, which of course is true because that's where it was when it started sending each telemetry string!
[08:38] <daveake> Particularly cool when you take a corner and it points back at an angle to where the car was earlier
[08:40] <daveake> Internet access was via wifi "tethering" using my HTC. That worked faultlessly
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[08:47] <BB01> Hi, is it true in the UK ofcom do not allow unmanned amateur radio equipment on unmanned airborne systems?
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[08:50] <fsphil-m> Hello Bristol
[08:51] <Darkside> fsphil-m: sms nigel
[08:52] <Darkside> BB01: yes that is true
[08:52] <GW8RAK> daveake, that sounds good fun
[08:52] <Darkside> fsphil-m: do you have nigels number?
[08:53] <fsphil-m> I do. Will sms him now
[08:53] <daveake> Gw8RAK - it was. I was surprised how well it worked!
[08:53] <GW8RAK> BB01 unmanned or manned amateur transmissions are not allowed airborne
[08:54] <daveake> Spotted 2 issues. One is that my payload appears to be sending the speed in knots not km. Easy fix.
[08:54] <daveake> Second was that the PC rebooted twice. I'm using a serial port sharer called GPSGate and I think it's that.
[08:55] <BB01> GW8RAK thanks alot
[08:56] <daveake> It didn't do that before I installed GPSGate. I need something so that both my program and the chase car position program can receive GPS. If all else fails I'll connect as second GPS receiver.
[08:56] <fsphil-m> Nice weather here today
[08:56] <daveake> Hope it stays that way for 2 more days :)
[08:57] <fsphil-m> Fingers crossed
[08:58] <fsphil-m> I've an hour to wait here, gonna grab some grub
[08:58] <fsphil-m> Bbl
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[09:11] <WillDuckworth> ping cuddykid
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[09:18] <fsphil-laptop> I forgot how expensive airports are
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[09:28] <Darkside> oh man
[09:28] <Darkside> battery pack + micronut PCB comes to 42.33g
[09:29] <Darkside> so i have 7.67g to do the antenna and packaging in
[09:29] <Darkside> >_>
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[09:29] <fsphil-laptop> what batteries?
[09:30] <Darkside> 2x AAAs
[09:30] <fsphil-laptop> nice
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[09:31] <fsphil-laptop> I don't imagine a gps payload will get much below that weight
[09:33] <Darkside> yeah
[09:42] <daveake> Not much less. And if it's a latex balloon any further saving is a small percentage of the total mass.
[09:44] <fsphil-laptop> yea
[09:44] <fsphil-laptop> diminishing returns
[09:44] <fsphil-laptop> great for other things though, like a paper aircraft
[09:44] <daveake> Indeed
[09:46] <daveake> I aimed at 100g for Buzz, and got slightly lower. But when you're counting the grams it's easy to expend effort into saving even 1 extra gram!
[09:46] <daveake> You start looking at an NTX2, and think "5g? You big fat thing!"
[09:47] <daveake> I had to remind myself that if I wanted the lightest possible payload I wouldn't be making it that shape and with lots of flashing LEDS ... :p
[09:49] <fsphil-laptop> you know you've gone too far when you start cutting bits of the ntx2 shield off
[09:52] <daveake> Don't think that didn't cross my mind :D
[09:52] <WillDuckworth> what's the performance of the ntx2 without that?
[09:53] <daveake> No idea. Didn't want to risk it by trying!
[09:53] <fsphil-laptop> lol
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[09:53] <fsphil-laptop> I'm not sure it's worth it
[09:53] <daveake> No ... the reality check was that it was going to be attached to 1600g of latex, so the odd gram makes no difference
[09:54] <Darkside> haha
[09:54] <WillDuckworth> i'm intrigued by these newer smaller transmitters....
[09:54] <daveake> I did buy some thinner nylon though :)
[09:54] <Darkside> in this case the payload HAS to be under 50g
[09:54] <Darkside> else we can't fly without a NOTAM
[09:55] <Darkside> the regs say nothing about the balloon weight... only the payload >_>
[09:55] <daveake> That's a good reason!
[09:55] <fsphil-laptop> aaah
[09:55] <fsphil-laptop> cunning
[09:55] <daveake> payload includes chute and cord?
[09:55] <Darkside> no chute
[09:55] <Darkside> and i'm not weighing the cord >_>
[09:55] <daveake> :)
[09:55] <daveake> I did :p
[09:55] <Darkside> haha
[09:56] <daveake> My scales go down to 0.01g
[09:56] <Darkside> SAME
[09:56] <Darkside> whoops
[09:56] <Darkside> haha with a 52 gram payload, we could get to 20km with a 6m/s ascent rate
[09:57] <Darkside> thats with 0.83m^3 of helium
[09:58] <Darkside> well this is working nicely :-)
[09:58] <Darkside> i'd better put a dummy load on and bring it inside
[09:58] <Darkside> else i'll upset the people maintaining the APRS network
[10:05] <fsphil-laptop> they likely to hunt you down?
[10:05] Nigel (Nigel@cpc5-cdif13-2-0-cust232.5-1.cable.virginmedia.com) joined #highaltitude.
[10:05] <Darkside> nah
[10:05] <Nigel> weeeee
[10:05] <Darkside> but i dont want to be sending a packet every 38 seconds
[10:05] <Darkside> hey Nigel
[10:05] Nick change: Nigel -> Guest56934
[10:05] <fsphil-laptop> wiiiii
[10:05] <Guest56934> hey hey
[10:05] <Guest56934> phillllllllll
[10:05] Nick change: Guest56934 -> NigeyS
[10:05] <fsphil-laptop> Guest56934, love the new nick
[10:05] <NigeyS> lols
[10:05] <fsphil-laptop> I r be sitting in a cafe
[10:05] <NigeyS> yey
[10:06] <fsphil-laptop> very trendy, everyone with ipads and stuff
[10:06] <jonsowman> are you two heading to london today?
[10:06] <NigeyS> did u pack a ntx2 ?
[10:06] <fsphil-laptop> I kinda stand out a bit
[10:06] <fsphil-laptop> I did NigeyS :p no resistors though
[10:06] <NigeyS> tomorrow jon, 5:55am from cardiff
[10:06] <jonsowman> blimey
[10:06] <NigeyS> fsphil thats ok, i got stripboard if all else fails!
[10:06] <fsphil-laptop> sweet
[10:06] <fsphil-laptop> predictions still good?
[10:06] <NigeyS> jonsowman, we're hardcore, lol
[10:06] Action: fsphil-laptop was up at 5 this-morning
[10:06] <jonsowman> that's pretty keen
[10:07] <NigeyS> northerly track yup
[10:07] <NigeyS> jonsowman, i have a secret plan, rugby is on at 9am ;)
[10:07] <jonsowman> ah i see
[10:07] <jonsowman> :D
[10:07] <NigeyS> we're gonna try to do a pico launch this afternoon
[10:07] <jonsowman> oh excellent
[10:07] <fsphil-laptop> aah they've been talking about this rugby match on the news all morning
[10:07] <NigeyS> dunno if im brave enough to wear the welsh rugby top to london mind..lol
[10:08] <jonsowman> haha
[10:08] <jonsowman> where does the train go to? paddington?
[10:08] <fsphil-laptop> I'll wear one, just to confuse everyone
[10:08] <NigeyS> paddington yup
[10:08] <NigeyS> lol phil
[10:08] <jonsowman> cool
[10:08] <NigeyS> i got 1 here u can borrow :p
[10:09] <NigeyS> jonsowman, we get in about 8am, so i think its breakfast, and maybe meeting WillDuckworth at 9:30 then taxi to the hub ..
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[10:09] <jonsowman> not getting the tube NigeyS?
[10:09] <NigeyS> its closed
[10:09] <fsphil-laptop> it might not be
[10:09] <NigeyS> oo
[10:09] <jonsowman> oh is it?
[10:10] <WillDuckworth> Yeah NigeyS - don't feel you have to wait - play it by ear :)
[10:10] <NigeyS> think upu said it was all closed
[10:10] <NigeyS> WillDuckworth, will do m8
[10:10] <UpuWork> Angel is close I think
[10:10] <jonsowman> circle or H&S line, change at Kings X
[10:10] <jonsowman> UpuWork: oh okay
[10:10] <UpuWork> but if you can get to Kings Cross/St Pancras
[10:10] <UpuWork> its walking distance
[10:10] <jonsowman> yeah, walk it from there
[10:10] <jonsowman> cool, i'll do that
[10:11] <NigeyS> schweet
[10:11] <fsphil-laptop> so we're heading to kings cross
[10:11] <UpuWork> I'm coming from London Bridge and it looks open
[10:11] <NigeyS> looks like..lol
[10:11] <NigeyS> we are so gonna get lost
[10:11] <jonsowman> yeah the Northern Line Bank branch is closed this wekeend
[10:11] <jonsowman> http://www.tfl.gov.uk/tfl/livetravelnews/realtime/track.aspx?offset=weekend
[10:11] <UpuWork> partially jonsowman
[10:11] <NigeyS> Darkside, ure doing a talk ?
[10:11] <fsphil-laptop> NigeyS, nah :)
[10:11] <jonsowman> yeah, between Camden and Kennington
[10:12] <fsphil-laptop> not totally lost, maybe just a bit
[10:12] <NigeyS> fsphil-laptop, if we do, ure sleeping out the back with the cat saturday night! lol
[10:12] <fsphil-laptop> Trust my skills of navigation :) I've only got lost there once so far :)
[10:12] <Darkside> NigeyS: maybe
[10:12] <fsphil-laptop> (out of three goes)
[10:12] <NigeyS> oh 1 out of 3 aint bad!
[10:13] <NigeyS> Darkside, nicey!
[10:13] <fsphil-laptop> hmmm there are no power sockets in this cafe
[10:13] <UpuWork> actually looking at that London Bridge is between those points
[10:13] <UpuWork> hmm
[10:14] <NigeyS> u cant steal their power phil lol
[10:14] <Darkside> NigeyS: i will be requiring you to hold up your meganut PCB during my talk
[10:14] <Darkside> i'll be going through the 'Nut" generations
[10:14] <Darkside> from mega to micro
[10:15] <NigeyS> ahh sure, populated or empty ?
[10:15] <fsphil-laptop> NigeyS, considering the prices of the food here I can :)
[10:15] <Darkside> either or
[10:15] <NigeyS> oki np :D
[10:15] <Darkside> i'm assuming your populated one might get lost :P
[10:15] <jonsowman> UpuWork: where are you coming from?
[10:15] <UpuWork> Halifax, coming down on the train tonight
[10:15] <NigeyS> Darkside, if it goes, still got to get the ntx2 working
[10:16] <jonsowman> staying somewhere near London Bridge i presume?
[10:16] <UpuWork> yeah with friends
[10:16] <UpuWork> we are down for the weekend
[10:16] <UpuWork> Bermondsley street
[10:16] <jonsowman> ah okay, so you can Jubilee line to, say, Green Park, then Piccadilly to King X
[10:17] <UpuWork> yeah thats the plan
[10:17] <UpuWork> I'll work it out
[10:17] <UpuWork> :)
[10:17] <jonsowman> cool
[10:17] <NigeyS> in cardiff, we just get a train from a > b ... lol
[10:17] <jonsowman> hehe
[10:17] <UpuWork> don't get lost
[10:18] <NigeyS> need a degree in underground tube timetabling and directions to travel in london !
[10:18] <UpuWork> "Hi is that the police, yeah theres an irish man and a welsh man....no its not a joke"
[10:18] <jonsowman> i'm a fan of the tube, best way to get around london, but it is a bit fiddly when there are engineering works etc
[10:18] <NigeyS> lol upu
[10:18] <fsphil-laptop> lol UpuWork
[10:18] <NigeyS> we just need to find a scotsman ...
[10:18] <fsphil-laptop> if we walk in to a pub later, nobody will take us seriously
[10:18] <jonsowman> haha
[10:18] <UpuWork> :)
[10:18] <NigeyS> oo pub .. hmm .. rugby> pub rugby > pub
[10:18] <UpuWork> I'm sure if you can put a camera at the edge of space working out what train to take shouldn't tax you too much
[10:19] <NigeyS> UpuWork, i dunno, its a black art all this travelling malarky
[10:20] <UpuWork> jonsowman can you put a point on spacenear.us called UKHAS_Conference at 51.53229, -0.10535
[10:20] <UpuWork> alititude whatever you fancy :)
[10:20] <UpuWork> a balloon would be apt
[10:20] <NigeyS> lol
[10:20] <UpuWork> put a few round it with "party"
[10:20] <fsphil-laptop> I wonder if I could get the chase car on
[10:20] <UpuWork> I could do that
[10:20] <jonsowman> i'm not sure of the best way to do that these days
[10:20] <NigeyS> i prolly could, if the app still works
[10:20] <jonsowman> i'll go pester #habhub
[10:21] <fsphil-laptop> I've no gps for the laptop
[10:21] <fsphil-laptop> just the phone
[10:21] <NigeyS> ahh
[10:21] <UpuWork> http://ava.upuaut.net/tracker/ Matt here did it but thats old tracker I think
[10:21] <fsphil-laptop> 20 minutes until the bus leaves for the train station
[10:21] <UpuWork> where are you now fsphil ?
[10:21] <jonsowman> UpuWork: yeah, not sure how to do it with habitat
[10:21] <fsphil-laptop> Bristol Airport UpuWork
[10:21] <UpuWork> ok
[10:21] <UpuWork> ooo fun :)
[10:22] <fsphil-laptop> lots of aussies today
[10:23] <NigeyS> yey the app still works
[10:25] daveake (~daveake@ joined #highaltitude.
[10:26] Dutch-Mill (3e2d7a74@gateway/web/freenode/ip. joined #highaltitude.
[10:26] <Dutch-Mill> Hi@all
[10:26] <NigeyS> hey dutch
[10:26] <fsphil-laptop> howdy Dutch-Mill
[10:26] <daveake> hiya
[10:26] <NigeyS> http://habhub.org/predict/#!/uuid=524adbc39fed26af1b78bd282b27e7e8c30096e6
[10:26] <NigeyS> hmm
[10:27] <fsphil-laptop> nice
[10:27] <Darkside> oh god
[10:27] <Darkside> the pictures
[10:27] <Darkside> jeff_chase
[10:27] <Darkside> lol
[10:27] <UpuWork> :)
[10:27] <Dutch-Mill> rent a boat :-)
[10:27] <NigeyS> lol
[10:28] <UpuWork> hi Dutch-Mill
[10:28] <Dutch-Mill> Who's using a funcube ?
[10:28] <Darkside> mememe
[10:28] <fsphil-laptop> I've one here :)
[10:29] <Dutch-Mill> beter than a ft817>
[10:31] <Darkside> smaller
[10:31] <Darkside> dunno if its as sensitive
[10:31] fsphil-laptop (~phil@ left irc: Quit: I'm doing science and I'm still alive!
[10:31] <WillDuckworth> rugby kick off is at 9 tomorrow NigeyS
[10:31] <Darkside> i'm working on some 'addons' to help with that
[10:31] <Dutch-Mill> I think i buy one...
[10:31] <NigeyS> WillDuckworth, yups, and ill be following it best i can via the mobile lol
[10:32] <Darkside> i'm working on a small SAW filter + LNA board to plug into a funcube dongle
[10:33] <Dutch-Mill> so the funcube is less sensitive?
[10:33] <Darkside> slightly
[10:34] <Dutch-Mill> oke I buy one... nice to play with too. What kind op app works fine ?
[10:35] <Dutch-Mill> of
[10:35] <NigeyS> Flash Bristow, from the Pylon Appreciation Society, said they were an "elegant engineering solution".
[10:35] <NigeyS> pylon appreciation society.. seen it all now :|
[10:39] <Dutch-Mill> oke SeeY have a nice meeting tomorrow
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[11:02] <nosebleedKT> http://www.defencenet.gr/defence/index.php?option=com_content&task=view&id=25510&Itemid=151
[11:02] <nosebleedKT> sorry
[11:02] <nosebleedKT> http://imgur.com/UqEEl
[11:17] tazz (~Gaurav@ joined #highaltitude.
[11:17] <Wil5on> pretty much yeah
[11:21] fsphil-m (~phil@ joined #highaltitude.
[11:27] <fsphil-m> Goodbye Bristol, it was a brief visit but a lovely spot
[11:27] <fsphil-m> Can't believe this weather, like summer
[11:30] <nosebleedKT> :)
[11:32] <daveake> If it lasts 2 days it'll be exactly like summer
[11:32] <fsphil-m> So true
[11:36] <NigeyS> what is this summer you speak of ?
[11:37] <nosebleedKT> fsphil-m: when do you get home ?
[11:37] MI6VIM (~phil@ joined #highaltitude.
[11:37] <NigeyS> wb phil lol
[11:37] <MI6VIM> Tunnels, forgot about those
[11:38] <NigeyS> lol
[11:38] <BrainDamage> here until yesterday the daylight temp was 25°C :/
[11:38] <BrainDamage> and the last week was 30°C
[11:38] <NigeyS> :o
[11:38] <BrainDamage> today it's 16°C, bah
[11:38] <NigeyS> haha its 15 here
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[11:43] <NigeyS> think phil is learning that trains arent the best things to be on when trying to irc lol
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[11:44] fsphil-m (~phil@ joined #highaltitude.
[11:45] <fsphil-m> I'm now in Wales
[11:45] <NigeyS> get out! lol
[11:46] <fsphil-m> Nah :p
[11:46] <fsphil-m> Neener neener
[11:46] <Darkside> fsphil-m: GET OUT WHILE YOU STILL CAN
[11:46] <Darkside> goddamnit man, TURN AROUND!
[11:47] <Darkside> i went to wales once, i only just got out alive
[11:47] <fsphil-m> Nooo, it is to late
[11:48] <fsphil-m> I can't spell the last station name
[11:48] <Darkside> newport?
[11:48] <Darkside> oh eyah fsphil-m
[11:49] <Darkside> you should do some reading on teh tunnel you went through
[11:49] <Darkside> its quite interesting
[11:49] <fsphil-m> Not yet, it's coming up soon
[11:49] <Darkside> the tunnel has a spring in it
[11:49] <Darkside> if the pump fails, it fills with water
[11:49] <Darkside> :-)
[11:49] <fsphil-m> Cool, will do
[11:49] <Darkside> and theres been numerous crashes and things in that tunnel
[11:49] <Darkside> YOU COUDL HAVE DIED
[11:49] <Darkside> >_>
[11:50] <fsphil-m> What a way to go
[11:52] <nosebleedKT> Darkside: lol
[11:52] <daveake> The tunnel has leeks???
[11:52] <fsphil-m> On the edge of Newport now
[11:52] <nosebleedKT> Darkside: you can cause panic for no reason !
[11:55] <fsphil-m> Nice city
[11:56] <fsphil-m> This bit anyway
[11:56] <NigeyS> pmsl Darkside behave! you'll scare him half to death !
[11:56] <daveake> Yeah, but it's not the green green grass of home
[11:56] <NigeyS> Newports a dump!
[11:56] <fsphil-m> Maybe it's the sun getting to me :)
[11:57] <NigeyS> it is, you're not used to the sun lol
[11:57] <fsphil-m> Lol
[11:57] <fsphil-m> Casnewydd
[11:57] <daveake> Bless you
[11:57] <NigeyS> haha
[11:57] <fsphil-m> Yep, I'm in Wales
[11:57] <NigeyS> oh aye u def in cymru
[11:57] <daveake> fsphil-m - if you tell us you've got launch permission from DM, we'll know you've really lost your mind
[11:58] <fsphil-m> Such a thing would never happen
[11:58] <fsphil-m> Or the world would end
[11:58] <NigeyS> course not, hell hasn't frozen over yet
[11:59] <NigeyS> £50 says the cat tries following me to the train station
[12:00] <fsphil-m> Awww
[12:00] <NigeyS> you wont be saying aww when outside ure bedroom window meowing at 2am tomorrow morning lol
[12:00] <NigeyS> he's*
[12:01] <fsphil-m> And away we go
[12:01] <NigeyS> just left newport ?
[12:01] <fsphil-m> Yep
[12:01] <NigeyS> oki will ring my taxi in 10mins
[12:01] <hibby> ayeaye
[12:01] <NigeyS> eyup hibster
[12:02] <hibby> hows it?
[12:02] <NigeyS> all good, apparently we have sun :o
[12:02] <hibby> glasgow is grety
[12:02] <hibby> **grey
[12:02] <NigeyS> blame phil
[12:03] <fsphil-m> Moar tunnels
[12:03] <hibby> oi fsphil-m. make it less grey
[12:03] <fsphil-m> I can only make south Wales sunny today
[12:04] <NigeyS> phil is ure train the london train ?
[12:04] <NigeyS> 13:22 London Paddington On time 3
[12:04] <fsphil-m> Good question, not sure
[12:04] <NigeyS> lol
[12:05] <fsphil-m> Sounds about right
[12:05] <NigeyS> well if im not there, just wait outside be leaving in 5
[12:06] <Laurenceb_> everyones heading to London today?
[12:06] <fsphil-m> Plus
[12:06] <fsphil-m> Er, okie
[12:06] <fsphil-m> Silly spell checker
[12:07] <nosebleedKT> fsphil-m: the ssdv encoder works only with the c328 camera?
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[12:08] <fsphil-m> The avr encoder does
[12:08] <nosebleedKT> oh
[12:09] <daveake> ping DanielRichman
[12:09] <nosebleedKT> how to do it with jpeg ttl now ?
[12:09] <fsphil-m> Well, any camera that makes compatible jpegs
[12:10] <nosebleedKT> didn't you have a jpeg/ttl from sparkfun like mine?
[12:11] <nosebleedKT> http://www.sparkfun.com/products/10061
[12:11] <nosebleedKT> the linksprite one
[12:11] fergusnoble (~Adium@2001:5c0:1109:a700:225:ff:fe47:16b7) left irc: Quit: Leaving.
[12:11] <fsphil-m> Yea, its format is different. It would need to be converted before encoding
[12:12] <nosebleedKT> omg
[12:12] <nosebleedKT> is it too hard for you to do it ?
[12:14] <fsphil-m> Dunno yet. Possibly, jpeg is ... odd
[12:15] <fsphil-m> Bbl, almost arrived at the station
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[13:00] <tazz> any idea if we need permission from government, for launching high altitude baloons in India.
[13:08] <Upu> afternoon
[13:10] <Upu> hey tazz
[13:10] <tazz> Upu! hows it going?
[13:11] <Upu> well Tazz = Harishankar ?
[13:11] <tazz> Tazz != Harishankar.
[13:11] <Upu> oh]
[13:11] <Upu> then you have someone else in India who has similar interests
[13:11] <Upu> http://www.ihabc.org/
[13:12] <Upu> might be worth getting in touch with Harishankar as hes dones some looking into this
[13:12] <Upu> but speak to your local avaition authority
[13:12] <Upu> http://dgca.nic.in/
[13:13] <tazz> Upu: yea i checked out dgca website it has lots of info on hot air balloons, i dont think any of it applies to us :) And thanks for the link.
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[13:13] <Upu> give them a call
[13:14] <hibby> we're kind of growing out of being just ukhas
[13:14] <Upu> fair point
[13:15] <hibby> it may be something to be raised at HABCon
[13:15] <Upu> http://stream.ukhas.org.uk/
[13:15] <Upu> is the stream working for you ?
[13:15] <hibby> if I call it that enough, it'll stick.
[13:15] <hibby> yes
[13:15] <Upu> ah yeah sorry I'd broken the video feed
[13:16] <hibby> i meant habcon, not the video
[13:16] <hibby> the video's working nicely.
[13:16] <Upu> are you coming tommorrow ?
[13:17] <hibby> nah, I had no monies when it was announce and changed
[13:17] <hibby> and I'm busy teaching beginners to kayak to make the monies
[13:17] <Upu> we have spaces if you want to come
[13:17] <hibby> because, y'know, there's nae cash in academia ;)
[13:17] <Zuph> Hey now, the channel's called #highaltitude :-p
[13:18] <Zuph> You want your own channel, go to #ukhas.
[13:18] <hibby> Zuph: that's true, but ukhas are the main proponents of it.
[13:18] <hibby> 14:18 -!- Topic for #highaltitude: Welcome to #highaltitude - discuss anything to do with high altitude projects (balloons, gliders, etc) www.ukhas.org.uk
[13:18] <Zuph> And if you want to be technical, I think 95% of #highaltitude are in the UK *or* former colonies :-p
[13:19] <Upu> note www.habhub.org is also run by us
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[13:19] <hibby> it might just be a nice thing to raise to show the success of habbing :)
[13:19] <Upu> but I'll bring that up on your behalf hibby
[13:20] <hibby> I have a presentation I could likely video and send y'all via the power of youtube and gdocs
[13:20] <Zuph> This is because 99% of US HABers are hams, a community notorious for not properly groking the intertubes.
[13:20] <hibby> Dan-K2VOL has seen it
[13:20] <Zuph> That 99%, btw, is a completely technical and valid number.
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[13:21] <Upu> 78% of statistics are made up on the spot ?
[13:21] <hibby> Zuph: that's just science. I'm an engineer. I know this shit.
[13:21] <Zuph> 84%.
[13:21] <tazz> yay! there are people who export balloons from india itself http://www.pawanexport.com/meteorological_balloons.html :D they have discounts too.
[13:22] <tazz> now to find some helium or hydrogen and i am set. :p
[13:24] <hibby> could do a solar balloon, that's an exciting and developing area :)
[13:26] <Zuph> Yeah, those are neat. Just need some trashbags, scotch tape, and patience.
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[13:32] UpuWork (~Upu@smtp.nevis.co.uk) left irc:
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[14:13] <earthshine> o/
[14:14] Nick change: GW8RAK_ -> GW8RAK
[14:14] <Upu> hi earthshine
[14:14] <earthshine> hey
[14:14] <GW8RAK> Well that was a seriously scary morning at work. NO BROADBAND!!!
[14:15] <Upu> don't get me going
[14:16] <GW8RAK> It felt like the end of the world and showed how much we rely on it.
[14:16] <GW8RAK> Lots of people wandering around with blank expressions.
[14:18] <W0OTM> http://www.ihabproject.com/iHAB-7/Media/KB7VML/IMG_5625.JPG
[14:21] <SamSilver> W0OTM: tying the knot?
[14:22] <SamSilver> you getting married?
[14:22] <SamSilver> :p
[14:26] <NigeyS> hey hey
[14:26] <NigeyS> phil says hi
[14:29] fsphil-laptop (~phil@cpc5-cdif13-2-0-cust232.5-1.cable.virginmedia.com) joined #highaltitude.
[14:30] <fsphil-laptop> evening from wales :)
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[14:34] <GW8RAK> hello fsphil-laptop
[14:37] <fsphil-laptop> sunny wales I should say
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[14:41] Nick change: GW8RAK_ -> GW8RAK
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[14:48] <SamSilver> bbl
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[15:04] <number10> nice pink string on the balloon there W0OTM - along with Ups payload, and my pink coax, pink is becomming a HAB favorite
[15:05] <number10> Ups == Upu
[15:07] <Upu> Ups is more accurate
[15:10] <number10> are you having a bad day?
[15:12] <nosebleedKT> fsphil-laptop: there?
[15:12] <fsphil-laptop> aye :)
[15:13] <fsphil-laptop> debugging some gps code
[15:14] <nosebleedKT> tell me one more time: Why i need sstv? Isn't normal to send the picture just after AFSK modulation?
[15:14] <Darkside> fsphil-laptop: fixed the NTX2 problem yet?
[15:16] <fsphil-laptop> we seem to have Darkside, needed some twiddling of the internal adjuster on the ntx2
[15:16] <fsphil-laptop> it's now a nice 425hz shift
[15:16] <Darkside> cool
[15:17] <fsphil-laptop> nosebleedKT, not sure I understand you
[15:17] <fsphil-laptop> sstv can be done over afsk (FM) or fsk (ssb0
[15:17] <fsphil-laptop> )
[15:18] <Darkside> fsphil-laptop: please note i designed that board in about 20 minutes
[15:18] <Darkside> so its probably not all that good >_>
[15:18] <nosebleedKT> fsphil-laptop: let me help you. What happens if i dont sstv the picture and just send it
[15:19] <fsphil-laptop> aaah you mean ssdv?
[15:19] <nosebleedKT> nooo
[15:19] <nosebleedKT> I mean i have a picture and just AFSK it send it to radio
[15:20] <nosebleedKT> jump the sstv/ssdv modulations
[15:20] <nosebleedKT> ignore them
[15:20] <fsphil-laptop> but how?
[15:20] <nosebleedKT> i have the jpeg bytes and i send them to afsk()
[15:20] <nosebleedKT> simple that
[15:20] <Darkside> that is basically SSDV
[15:21] <Darkside> but i think fsphil-laptop strips out some of the data that isnt required
[15:21] <fsphil-laptop> jpeg directly will likely fail
[15:21] <fsphil-laptop> any small errors in the file will stop it decoding
[15:21] <nosebleedKT> what extra thing does the sstv/ssdv modulations?
[15:22] <Darkside> nosebleedKT: forget SSTV, you won't be doing that with a NTX2
[15:22] <Darkside> SSDV is fsphil's way of transmitting the jpeg data mroe reliably
[15:22] <fsphil-laptop> sstv is analogue, it's tricky to do with an avr
[15:23] <nosebleedKT> Darkside: i know. But my point is not that!
[15:23] <fsphil-laptop> ssdv *is* jpeg, but with error correction and redundancy
[15:23] <nosebleedKT> aahhh
[15:23] <nosebleedKT> thats right
[15:23] <fsphil-laptop> at least, it's a limited subset of jpeg
[15:23] <nosebleedKT> so i need the ssdv/sstv to transfer an image more reliably
[15:24] <nosebleedKT> because in case of a jpeg if i loose some bytes i loose the rest of the image
[15:24] <fsphil-laptop> indeed
[15:24] <nosebleedKT> ok got that
[15:24] <fsphil-laptop> that happened my first flight
[15:24] <fsphil-laptop> got lots of half pictures :)
[15:24] <nosebleedKT> we know :)
[15:24] <nosebleedKT> have seen them
[15:24] <fsphil-laptop> or if you have an error in the header part of the jpeg, you don't get an image at all
[15:24] <nosebleedKT> is ssdv tested and proved better?
[15:25] <fsphil-laptop> yea
[15:26] <fsphil-laptop> the current version has been used on two flights
[15:26] <akawaka> ssdv is neat
[15:26] <nosebleedKT> Well i decided to make a step forward and port your avr encoder to arduino. Then to make it compatible with linksprite cam.
[15:26] <Darkside> port it?
[15:27] <Darkside> its the same code....
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[15:27] <nosebleedKT> really?
[15:27] <nosebleedKT> i havent started yet
[15:27] <Darkside> arduino is just an abstraction layer for avr-g++
[15:27] <fsphil-laptop> avr == arduino :)
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[15:27] <nosebleedKT> mhh
[15:27] <nosebleedKT> let me copy the code to arduino then
[15:27] <nosebleedKT> and try compile it :p
[15:27] <fsphil-laptop> the ssdv.c and ssdv.h files are what you need
[15:27] <akawaka> is there a description of how the payload is encoded?
[15:27] <Darkside> well there'll be more than that
[15:28] <nosebleedKT> fsphil-laptop: i dont need those rs8.* files?
[15:28] <fsphil-laptop> akawaka, http://ukhas.org.uk/guides:ssdv
[15:28] <Darkside> nosebleedKT: you'll probably have to do some rearrangement of how the ssdv code talks to the serial port
[15:28] <fsphil-laptop> nosebleedKT, yes those too
[15:28] <fsphil-laptop> forgot about those
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[15:28] <Darkside> since arduino does annoying things with the UARTs
[15:28] <fsphil-laptop> but do remember it won't read the linksprite jpegs directly
[15:28] <Darkside> like putting in a ring buffer that can be too small sometimes
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[15:29] <fsphil-laptop> linksprite's mcu blocks are a different shape
[15:29] <fsphil-laptop> 8x16 I think
[15:29] <Darkside> anyway nn all
[15:29] <fsphil-laptop> night Darkside
[15:29] <Darkside> good luck with the pico launch
[15:29] <fsphil-laptop> ta:) if it goes :)
[15:29] <nosebleedKT> gn Darkside
[15:30] <nosebleedKT> fsphil-laptop: i hope you can help with linksprite dude
[15:30] <nosebleedKT> because i dont think i will be able to understand your ssdv code and then manipulate it
[15:31] <tazz> Upu: you mistook me for codetiger. codetiger = Harishankar
[15:31] <Upu> I did :)
[15:32] <fsphil-laptop> possibly nosebleedKT, I'd like to get it working too
[15:33] <fsphil-laptop> but I've a few other things to try first
[15:33] <nosebleedKT> i think some time back i sent you a pic with the jpeg markers
[15:34] <nosebleedKT> http://a3.sphotos.ak.fbcdn.net/hphotos-ak-snc6/283197_268127709867947_259791880701530_1238807_8032694_n.jpg
[15:34] <codetiger> Upu: hi saw your posts about the flight
[15:34] <Upu> hey codetiger
[15:35] <nosebleedKT> fsphil-laptop: undefined reference to ssdv_enc_init(ssdv_t*, unsigned char) :p
[15:35] <nosebleedKT> arduino compile error
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[15:36] <akawaka> you are including the header, but not linking ssdv.c/.o
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[15:37] <nosebleedKT> how to do that?
[15:37] codetiger (~codetiger@ joined #highaltitude.
[15:37] <akawaka> what are you building with?
[15:37] <nosebleedKT> arduino
[15:38] <nosebleedKT> http://imagebin.org/178986
[15:38] <nosebleedKT> http://imagebin.org/178987
[15:39] <akawaka> not sure how you get arduino to use a random .c file
[15:39] <fsphil-laptop> did you #include "ssdv.h"
[15:40] <fsphil-laptop> oh you did
[15:40] <nosebleedKT> of course check the pics
[15:40] <akawaka> so i think you need to make an arduino library
[15:41] <akawaka> make a SSDV directory in your arduino "libraries" directory
[15:41] <fsphil-laptop> some weird arduino voodoo going on there
[15:41] <akawaka> and add the ssdv file there
[15:41] <nosebleedKT> looooooooool
[15:41] <akawaka> then restart the arduino environment and you should see SSDV as a library you can import into your sketch
[15:43] <akawaka> you could also just include the .c files :)
[15:43] <akawaka> though thats a little hacky
[15:44] <fsphil-laptop> haha
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[15:47] <nosebleedKT> think i found it
[15:47] <nosebleedKT> arduino makes cpp
[15:47] <nosebleedKT> those are c
[15:47] <nosebleedKT> c hates cpp
[15:47] <fsphil-laptop> they can be made to love eachother
[15:48] <fsphil-laptop> #ifdef __cplusplus
[15:48] <fsphil-laptop> extern "C" {
[15:48] <fsphil-laptop> #endif
[15:48] <nosebleedKT> extern "C" {}
[15:48] <nosebleedKT> :P
[15:48] <fsphil-laptop> yea
[15:49] Action: nosebleedKT runs slower than fsphil-laptop
[15:49] <nosebleedKT> and where i put this?
[15:49] <nosebleedKT> in your c files?
[15:49] <nosebleedKT> or my cpp ?
[15:49] <fsphil-laptop> in the .h file
[15:49] <nosebleedKT> k wait
[15:49] <fsphil-laptop> enclosing the entire file
[15:50] <fsphil-laptop> so extern "C" {
[15:50] <fsphil-laptop> at the start, after (after the includes)
[15:50] <fsphil-laptop> and } at the end
[15:50] <fsphil-laptop> actually if you look at the dl-fldigi code you can see it
[15:51] <fsphil-laptop> it's a C++ program and I had to do add the "C" bit to the header
[15:51] <fsphil-laptop> it's on github too
[15:55] <nosebleedKT> I have this too
[15:55] <nosebleedKT> #ifndef __SSDV_H__
[15:55] <nosebleedKT> #define __SSDV_H__
[15:56] <nosebleedKT> enclosing whole code and ending with #endif
[16:02] <nosebleedKT> where is dl-fldigi
[16:02] <nosebleedKT> ?
[16:04] <fsphil-laptop> same place the hadie code is
[16:04] <nosebleedKT> https://github.com/fsphil/hadie
[16:04] <nosebleedKT> ?
[16:05] <fsphil-laptop> yea
[16:05] <nosebleedKT> well found it
[16:05] <nosebleedKT> but which file?
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[16:05] <fsphil-laptop> src/include/ssdv.h
[16:07] <nosebleedKT> !
[16:10] <nosebleedKT> c sucks
[16:11] <fsphil-laptop> I'll pretend you didn't say that :)
[16:11] <nosebleedKT> :p
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[16:17] <nosebleedKT> fsphil-laptop
[16:18] <nosebleedKT> error: 'S_EOI' was not declared in this scope
[16:18] <nosebleedKT> if(ssdv.state == S_EOI)
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[16:23] <nosebleedKT> I did it: if(ssdv.state == ssdv.S_EOI)
[16:23] <nosebleedKT> and worked. It that ok ?
[16:23] <fsphil-laptop> that's fine yea
[16:23] <nosebleedKT> ok then i have it ready
[16:23] <fsphil-laptop> more correct than what I'm doing to be honest
[16:24] <nosebleedKT> I just removed the c328 code
[16:24] <nosebleedKT> http://imagebin.org/178995
[16:25] <fsphil-laptop> yea
[16:25] <fsphil-laptop> you feed it jpeg data, and it will return packets which you transmit the normal way
[16:25] <nosebleedKT> 0x100 sized packets
[16:25] <fsphil-laptop> yea
[16:26] <nosebleedKT> so you send packet by packet
[16:26] <nosebleedKT> ssdv->packet1->radio, ssdv->packet2->radio
[16:26] <nosebleedKT> right?
[16:27] <fsphil-laptop> packet by packet, but you can transmit other things between the packets
[16:28] <nosebleedKT> thats mad
[16:28] <nosebleedKT> well now you need to tell me what informtion to gather from linksprite camera
[16:33] <fsphil-laptop> that you will have to wait on :)
[16:33] <fsphil-laptop> would be easy to do if you don't want colour :)
[16:34] <nosebleedKT> i want color :P
[16:35] Lunar_Lander (~Lunar_Lan@p5488271B.dip.t-dialin.net) joined #highaltitude.
[16:35] <Lunar_Lander> hello
[16:35] <nosebleedKT> hi punk
[16:35] <nosebleedKT> :)_
[16:35] <Lunar_Lander> :)
[16:35] <Lunar_Lander> how are you?
[16:37] <nosebleedKT> good
[16:37] <nosebleedKT> and u?
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[16:38] <Lunar_Lander> I am OK, thanks
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[16:39] <Lunar_Lander> hi GW8RAK
[16:39] <GW8RAK> Hi Lunar_Lander
[16:43] Dan-K2VOL (~Adium@74-143-44-42.static.insightbb.com) joined #highaltitude.
[16:45] <Lunar_Lander> hi Dan-K2VOL
[16:45] <Lunar_Lander> Dan-K2VOL and GW8RAK how are you today?
[16:45] <Dan-K2VOL> hi Lunar_Lander
[16:45] <Dan-K2VOL> great, u?
[16:46] <Lunar_Lander> I am also good, thanks
[16:46] <Lunar_Lander> preparing for the experimental physics 2 exam on monday
[16:49] <NigeyS> almost ready to launch :)
[16:49] <Lunar_Lander> cool
[16:49] <Lunar_Lander> hey NigeyS
[16:49] <Lunar_Lander> NigeyS: did you get my recent e-mail?
[16:49] <NigeyS> err.. not sure, was it to my gmail account ?
[16:49] <Lunar_Lander> yes
[16:49] <NigeyS> ahh oki ill take a look
[16:50] <Lunar_Lander> I asked whether you got google+
[16:50] <NigeyS> ahh yep i do
[16:50] <Lunar_Lander> ah
[16:50] <Lunar_Lander> and you invited me there?
[16:50] <NigeyS> i did
[16:51] <Lunar_Lander> ah
[16:51] <Lunar_Lander> now I know what the e-mails are about
[16:51] <Lunar_Lander> :)
[16:53] <Lunar_Lander> thanks :)
[16:59] <GW8RAK> Lunar_Lander, sorry for slow answer. Just diagnosing a fault with my bike lights, listening to 10m which is open today and reading some forums.
[16:59] <GW8RAK> Are you launching this evening NigeyS?
[17:01] <NigeyS> yups
[17:01] <NigeyS> just doing the antennae
[17:03] <GW8RAK> Is it still likely to head North?
[17:06] <NigeyS> yups
[17:06] <NigeyS> similar prediction to last night
[17:07] <GW8RAK> Have a friend on standby near Knighton. He was up the repeater this afternoon so would have been almost able to see it! Usual RTTY output?
[17:08] <NigeyS> awsome, we're on 425 shift, not sure on freq, yet lol
[17:10] GW8RAK_ (~chatzilla@host-78-150-212-50.as13285.net) joined #highaltitude.
[17:11] <Lunar_Lander> ah I see gw8RAK
[17:11] <Lunar_Lander> GW8RAK_
[17:12] jcoxon (~jcoxon@ joined #highaltitude.
[17:12] <GW8RAK_> a multitasking afternoon
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[17:13] Nick change: GW8RAK_ -> GW8RAK
[17:13] <jcoxon> evening
[17:13] <Lunar_Lander> true GW8RAK
[17:14] <Lunar_Lander> hi jcoxon
[17:17] <Lunar_Lander> yay the heating is on
[17:17] <Lunar_Lander> :)
[17:17] <jcoxon> people all set for tomorrow then?
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[17:23] Nick change: GW8RAK_ -> GW8RAK
[17:27] gb73d (gb73d@81-178-190-198.dsl.pipex.com) joined #highaltitude.
[17:29] <fsphil-laptop> launching shortly
[17:31] EI5GTB (~EI5GTB@host-92-20-58-232.as13285.net) joined #highaltitude.
[17:31] daveake (~daveake@ joined #highaltitude.
[17:31] <gb73d> who what where ?
[17:31] <jcoxon> fsphil-laptop, what!?
[17:31] <fsphil-laptop> lol
[17:32] <fsphil-laptop> NigeyS and I are going to launch a pico :)
[17:32] <gb73d> btw SPICE experiment at Sculthorpe has been out on hold for 6 months
[17:32] <jcoxon> pichochu?
[17:32] <fsphil-laptop> jcoxon, yea
[17:32] <jcoxon> hehe
[17:32] <jcoxon> cool
[17:32] <fsphil-laptop> anyone able to setup a payload?
[17:33] <fsphil-laptop> on habitat
[17:33] <jcoxon> ping DanielRichman, Randomskk, jonsowman
[17:34] <Randomskk> hi
[17:34] <gb73d> http://www.bbc.co.uk/news/science-environment-15132989
[17:34] <fsphil-laptop> hiya Randomskk, I've no access to nessie here - can you setup a payload for me?
[17:36] <Randomskk> yea should be able to
[17:37] <fsphil-laptop> ooh kracken now
[17:38] <fsphil-laptop> $$$$$PICOCHU-1,33,17:35:31,51.48626,-3.14659,18,3,24*23FF
[17:38] <daveake> Randomskk ... has Buzz timed out? I ran a test this morning and he didn't appear on the map.
[17:39] <fsphil-laptop> time,latitude,longitude,altitude,gps sats,temperature*checksum
[17:39] <jcoxon> use the doc gen fsphil!
[17:39] <fsphil-laptop> I can't find it
[17:41] <fsphil-laptop> got it
[17:44] <SamSilver> I see alpha
[17:45] <SamSilver> ALPHA
[17:45] <fsphil-laptop> {"type":"flight","name":"PICOCHU-1","start":1318550400,"end":1318636800,"launch":{"time":null,"timezone":"BST"},"metadata":{"location":"Cardiff","project":"Picochu"},"payloads":{"PICOCHU-1":{"radio":{"frequency":"434.084","mode":"USB"},"telemetry":{"modulation":"rtty","shift":"425","encoding":"ascii-7","baud":"50","parity":"none","stop":"2"},"sentence":{"protocol":"UKHAS","checksum":"crc16-ccitt","payload":"PIC
[17:45] <fsphil-laptop> OCHU-1","fields":[{"name":"count","sensor":"base.ascii_int"},{"name":"time","sensor":"stdtelem.time"},{"name":"latitude","sensor":"stdtelem.coordinate","format":"dd.dddd"},{"name":"longitude","sensor":"stdtelem.coordinate","format":"dd.dddd"},{"name":"altitude","sensor":"base.ascii_int"},{"name":"SATS","sensor":"base.ascii_int"},{"name":"temperature","sensor":"base.ascii_float"}]}}}}
[17:45] <fsphil-laptop> oops
[17:46] <fsphil-laptop> Randomskk ^^
[17:49] <gb73d> gonna shorten the coax on my 446mhz groundplane in the loft, will give a bit more gain for balloon monitoring
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[17:50] <NigeyS> hey RocketBoy
[17:53] <Lunar_Lander> hi RocketBoy
[17:53] <RocketBoy> hey hey
[17:54] <daveake> I'm :-(. Have to work tomorrow :(
[17:54] <RocketBoy> everyone ready for tomorrow?
[17:54] <daveake> ^^ :(
[17:54] <RocketBoy> noooooooooo
[17:54] <Lunar_Lander> oh not good daveake
[17:55] <daveake> Nope. Not a happy daveake.
[17:55] <daveake> I was looking forward to that pizza ;)
[17:55] <fsphil-laptop> ah man
[17:55] <Lunar_Lander> xD
[17:55] <daveake> At least I don't have to work on Sunday.
[17:55] <RocketBoy> it seems that railtrack and the underground are conspiring to make it difficult for me to get there tomorrow
[17:56] <RocketBoy> both have engineering works
[17:56] <RocketBoy> just have to get up earlier :-(
[17:56] <fsphil-laptop> know the feeling
[17:57] <RocketBoy> (I'm not used to setting the alarm clock these days)
[17:57] <daveake> When I lived in Coventry once, I bought a ticket to London to see my parents. AFTER I bought the ticket they told me they didn't have any trains! Instead they had a bus to Rugby. Except they put me on the wrong bus and I ended up in Brum.
[17:57] <Lunar_Lander> xD
[17:57] <daveake> So the bus took me back to Coventry. Except it didn't. It broke down.
[17:57] <Lunar_Lander> damn
[17:58] <daveake> A fellow passenger was extremely pi$$ed off as he had a plane to catch
[17:58] <Lunar_Lander> yea
[17:58] <daveake> I was just a student with spare time so I just thought it all quite amusing
[17:58] <Lunar_Lander> :)
[17:59] <NigeyS> looks like this'll be a dark launch ... lol
[17:59] <jcoxon> guess its not solar...
[18:00] <NigeyS> lol
[18:00] <fsphil-laptop> lunar
[18:00] <Lunar_Lander> XD!
[18:01] <fsphil-laptop> I guess the tracker doesn't plot balloons it doesn't recognise now
[18:01] <daveake> Nope. Buzz never appeared there this morning. My car did though
[18:02] <daveake> Can someone remind a Habitat-type person tomorrow to re-enable him?
[18:02] <daveake> I think it's because it's outside the from/to period
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[18:05] <Randomskk> back
[18:05] <Randomskk> fsphil-laptop: can you put the whole thing into a pastebin or something?
[18:06] <Randomskk> more details onn habitat's mysterious workings at talk tomorrow :P
[18:06] <NigeyS> funkeh
[18:06] <Randomskk> but yes, if the flight document had a an end period it won't plot it after that
[18:06] <Randomskk> or rather it won't parse it after that
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[18:07] <daveake> Ta. Can you fix it for me, pretty please?
[18:07] <Randomskk> you can set the end period to "sandbox" for testing, but like, fairly soon all the flight doc stuff will be done by users rather than through admins so it's way less hassle for everyone
[18:07] <Randomskk> yes
[18:07] <Randomskk> for BUZZZ?
[18:07] <Randomskk> uh, ZZ
[18:07] <daveake> YESSSSSSS
[18:07] <daveake> :)
[18:08] <daveake> Sometime b4 for the flight in Sunday morning would be great :)
[18:08] Lunar_Lander (~knoppix@p5488271B.dip.t-dialin.net) joined #highaltitude.
[18:08] <Lunar_Lander> sorry system hang
[18:08] <Randomskk> on it now
[18:08] <daveake> Exxxxcellent :)
[18:09] <daveake> If you like, delete the data for "CHASE-DAVEAKE".
[18:09] <fsphil-laptop> Randomskk, http://pastebin.com/exg1BDks
[18:10] <jcoxon> fsphil-laptop, NigeyS you going for float?
[18:10] <jcoxon> please say you are
[18:10] <Randomskk> daveake, fsphil-laptop: done
[18:10] <Randomskk> should both be working
[18:11] <daveake> Cheers :).
[18:11] <fsphil-laptop> ooh lemme test
[18:11] <fsphil-laptop> jcoxon, we're not sure what's going to happen
[18:11] <jcoxon> awesome
[18:11] <Lunar_Lander> yay November 30, 1994
[18:11] <daveake> I'd thank you tomorrow, but, erm, I won't be there :(
[18:11] <SamSilver> a good float
[18:11] <jcoxon> but you aren't over filling
[18:11] <NigeyS> noo
[18:11] <jcoxon> excellent...
[18:11] <NigeyS> got about 37grams of lift per balloon we're going for
[18:12] <jcoxon> my pico payload has been running for 12hrs now
[18:12] <NigeyS> :o
[18:12] <daveake> NigeyS when 's your launch?
[18:12] <jcoxon> NigeyS, i think the key is making sure that teh ascent rate is sensible
[18:12] <NigeyS> about 30mins
[18:12] <jcoxon> as in aiming for 0.5m/s
[18:12] <jcoxon> add mass if necessary
[18:12] <SamSilver> fsphil-laptop: what is the lifting vessel ?
[18:12] <NigeyS> yup james, got some mass to add if its to light
[18:13] <jcoxon> okay shopping, bbiab
[18:13] <SamSilver> I get soooo excited about a launch I forget how to spell and what things are called
[18:14] <NigeyS> lol
[18:14] <SamSilver> I just called a balloon a lifting vessel
[18:14] <NigeyS> bbs going to garden
[18:14] <fsphil-laptop> Randomskk, thanks! all good
[18:14] <fsphil-laptop> we're on the map
[18:14] <fsphil-laptop> SamSilver, foil balloons :)
[18:15] <Randomskk> great
[18:15] <SamSilver> and my wife looks at me and shakes her head whe I try and explain "this"
[18:16] <SamSilver> fsphil-laptop: how many foil will you be using?
[18:17] <fsphil-laptop> SamSilver, 2
[18:17] <fsphil-laptop> er, 4
[18:17] <nosebleedKT> fsphil-laptop: is SSDV well documented somewhere?
[18:17] <Dan-K2VOL> nigeys
[18:17] <SamSilver> the more the better
[18:17] <Dan-K2VOL> you flying soon?
[18:18] <Dan-K2VOL> who's flying a foil balloon? :-)
[18:18] <fsphil-laptop> Dan-K2VOL, myself and NigeyS
[18:18] <nosebleedKT> fsphil-laptop: Scott Miller of argentdata.com is interested in implementing your SSDV into his new sstv/cam gadget
[18:18] <SamSilver> Dan-K2VOL: the flouters are
[18:18] <fsphil-laptop> nosebleedKT, on the ukhas wiki yea
[18:18] <nosebleedKT> link ?
[18:19] <fsphil-laptop> afk one sec, filling
[18:19] <Dan-K2VOL> when is that fsphil-laptop?
[18:20] <EI5GTB> baloon in the air atm?
[18:20] <Dan-K2VOL> are they doing it right now?
[18:20] <fsphil-laptop> in a few minutes :)
[18:21] <EI5GTB> where u guys launching from?>
[18:21] <Dan-K2VOL> oh rats, I have a bunch of pointers in my presentation tomorrow
[18:21] <Dan-K2VOL> will you and nigeys be there?
[18:21] <Dan-K2VOL> for foil balloons (superpressure)
[18:22] <Dan-K2VOL> BTW from the impression I get, you'd be best by severely underinflating all but ONE of the balloons, and only letting one superpressure
[18:22] <fsphil-laptop> Dan-K2VOL, we should be there yea, unless the trains are cancelled
[18:22] <Dan-K2VOL> heh
[18:22] <fsphil-laptop> EI5GTB, Cardiff
[18:23] <Dan-K2VOL> fsphil can you precisely measure the lift of the balloons vs their empty weight?
[18:24] <nosebleedKT> fsphil-laptop:http://ukhas.org.uk/guides:ssdv ?
[18:24] <EI5GTB> fsphil-laptop lol, ok, i was gonna take a trip if it was nearby, but i'll not bother
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[18:24] <fsphil-laptop> nosebleedKT, yep
[18:24] <fsphil-laptop> haha
[18:25] <nosebleedKT> and fsphil-laptop: its wrong the name ssdv. should be ssdtv
[18:25] <fsphil-laptop> you're nearer london ain't you EI5GTB?
[18:25] <nosebleedKT> slow scan digital tele-vision
[18:25] <SpeedEvil> Dan-K2VOL: The differential pressure on the balloon is (sorta) linearly related to the unbalanced lift
[18:25] <nosebleedKT> we still are tele-vision things
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[18:25] <Dan-K2VOL> my talk tomorrow should be fairly enlightening of why it's been so hard to get these foil balloons to not burst, and also why they won't stay up at night as they ought to
[18:26] <SpeedEvil> Dan-K2VOL: differential pressure * volume
[18:26] <SpeedEvil> Dan-K2VOL: So if you have two balloons pressurised, they can withstand twice the lift before bursting.
[18:27] <EI5GTB> fsphil-laptop yea, right in london
[18:27] <Dan-K2VOL> fsphil it would be really really important data if you could measure one of those balloons lift precisely in three phases: empty, full but not pressurized, and pressurized to near bursting. perhaps keep an extra for after launch to do that measure
[18:27] <Dan-K2VOL> fsphil-laptop ^
[18:28] <DanielRichman> daveake: hi
[18:29] <fsphil-laptop> Dan-K2VOL, we don't have a spare to do that tonight be NigeyS says he'll do that at some point
[18:31] <SamSilver> my tracker page is still showing Xaben
[18:31] <Lunar_Lander> mine too
[18:31] <SamSilver> two chase vehicles
[18:31] <Lunar_Lander> yes
[18:31] <Dan-K2VOL> fsphil-laptop can you do the empty balloon weight and full lift measure? Sorry to bother u guys, but you may want the numbers to experiment with some new formulas I've found tomorrow
[18:32] <Lunar_Lander> and ALPHA and Nigey's balloon
[18:32] <SamSilver> yip
[18:32] <Lunar_Lander> Dan-K2VOL: are you also working on faster than light stuff?
[18:32] <Dan-K2VOL> no problem if not, it's more for your future analysis of the flight results
[18:32] <Lunar_Lander> because you found the formulas tomorrow
[18:32] <Lunar_Lander> :P
[18:32] <Dan-K2VOL> Lunar_Lander yes, it only takes math, and anything is possible!
[18:32] <Lunar_Lander> XD yay
[18:32] <Dan-K2VOL> the only limit is yourself
[18:32] <Lunar_Lander> yeah!
[18:32] <Lunar_Lander> so you found some new balloon dynamics formulas?
[18:33] GW8RAK (~chatzilla@host-2-99-29-115.as13285.net) left irc: Ping timeout: 248 seconds
[18:33] <SamSilver> Dan-K2VOL: you gonna spill the beans 2morrow?
[18:33] <Dan-K2VOL> lol not new, very old, but buried in meteorology journal articles, new to most amateurs anyway, as far as I can tell
[18:33] <fsphil-laptop> Dan-K2VOL, too late sorry.. just filled the last one
[18:34] <SamSilver> fsphil-laptop: fly fsphil-laptop fly
[18:34] <Lunar_Lander> Dan-K2VOL: yeah, do you mean that one article on tetroons?
[18:34] <Dan-K2VOL> yes indeed, but don't get too excited, I don't have easy-to-use formulas for you yet, but I've found the massive pile of formulas that we are working on connecting together and distilling down to make it a simple calculation
[18:35] <SamSilver> we are still talking about flouters?
[18:35] <Lunar_Lander> yeah
[18:35] <Dan-K2VOL> Lunar_Lander, that's one of about 16 good papers on superpressure balloons (foil) that I'll point you to tomorrow
[18:35] <Lunar_Lander> ah
[18:35] <Lunar_Lander> cool
[18:35] <Lunar_Lander> you will do a talk, right?
[18:35] <Dan-K2VOL> yes
[18:35] <Dan-K2VOL> at 15:00 I think
[18:35] <Lunar_Lander> 15 UTC?
[18:37] <SamSilver> is there a MC ?
[18:37] <SamSilver> Master of Ceremony's?
[18:37] <Dan-K2VOL> I sound a bit odd in it, but the content is good, I had stayed up all night finishing the presentation before recording the voiceover a few days ago, had to get it done in time to get it across the ocean. It takes 3 days for balloons to cross, you know.
[18:37] <Dan-K2VOL> :-P
[18:37] <Lunar_Lander> yeah :)
[18:37] <SamSilver> a guiding light?
[18:37] <Dan-K2VOL> 15 BST
[18:38] <Dan-K2VOL> according to UKHAS page
[18:38] <Dan-K2VOL> (would be nice if someone could note that it's BST on that page if you could)
[18:38] <Lunar_Lander> yea
[18:38] <SamSilver> Dan-K2VOL: you presentation is pre - taped
[18:38] <Dan-K2VOL> it is, just in case the interwebs aren't very fast that day
[18:39] <Dan-K2VOL> I'll be live for Q&A though, if the net connection allows
[18:39] <Dan-K2VOL> I wish I could afford to just come down and meet you all :-)
[18:39] <SamSilver> I hope there is recorded coverage as I will be AFK
[18:41] <SamSilver> AFS = away from screen
[18:41] <Dan-K2VOL> I'm fairly sure it's being recorded there, and it will be re-broadcast on the White Star USTREAM for publication to the general public so the BATC stream doesn't get overloaded, and that will record 6 hours I think.
[18:41] <Dan-K2VOL> I hope screen-capping the BATC stream works ok :-/
[18:42] <Dan-K2VOL> Hmm, is BST = CET?
[18:42] <SamSilver> afk
[18:42] <SamSilver> got to love and leave you - dinner guests and cooking duties
[18:43] <Dan-K2VOL> this tool doesn't list BST, but otherwise it's a great one to compare time zones: http://www.agreeadate.com/time_zone_planner.aspx
[18:43] Nick change: SamSilver -> SamSilver_
[18:43] <Dan-K2VOL> ttyl dave
[18:43] <Dan-K2VOL> have a good weekend
[18:43] <SamSilver_> cheers Dan
[18:43] GW8RAK (~chatzilla@host-2-99-29-115.as13285.net) joined #highaltitude.
[18:43] <SamSilver_> I might be lucky enough to eat din dins at the keyboard
[18:44] <NigeyS> launched :D
[18:44] <SamSilver_> afk
[18:44] <SamSilver_> woooooo
[18:44] <Lunar_Lander> yay
[18:46] <fsphil-laptop> flying over the city :)
[18:47] <Laurenceb_> you're flying atm?
[18:47] <fsphil-laptop> indeedy
[18:47] <fsphil-laptop> night time pico launch
[18:47] Paradoxial (~Paradoxia@pool-108-28-22-94.washdc.fios.verizon.net) joined #highaltitude.
[18:48] <Lunar_Lander> hey Paradoxial
[18:48] <Laurenceb_> oh i thought you were in a plane
[18:48] <Dan-K2VOL> fsphil-laptop, do you have a prediction on float alti?
[18:49] <fsphil-laptop> Only prediction is that we don't know :)
[18:49] <Paradoxial> Hi Lunar
[18:49] <Lunar_Lander> how are you?
[18:50] <Paradoxial> Pretty good, wbu?
[18:50] <Lunar_Lander> same here, thanks
[18:50] <NigeyS> looks like we got a good 1m/s dan :D
[18:50] <Lunar_Lander> what are you up to?
[18:50] <NigeyS> if itfloats itll head north west up to north wales
[18:50] <Dan-K2VOL> nice, NigeyS, nice and slow
[18:51] <jcoxon> tracker cleared
[18:51] <jcoxon> apart from picochu
[18:51] <Dan-K2VOL> oh that's a new feature to clear individual flights jcoxon?
[18:51] <jcoxon> oh no thats not new
[18:51] <jcoxon> we usually just clear everything
[18:51] <Dan-K2VOL> ahh
[18:52] <fsphil-laptop> jcoxon, thanks
[18:52] <Dan-K2VOL> fsphil-laptop, what is cloud-cover like, and what color are the balloons?
[18:52] <NigeyS> 434.085.4 if anyone wants to try and track
[18:52] <fsphil-laptop> Dan-K2VOL, stars -- clear sky
[18:53] <daveake> Starry Starry Night ...
[18:53] <NigeyS> ballons r green
[18:53] <Dan-K2VOL> clear or aluminized?
[18:53] <NigeyS> aluminized
[18:53] <NigeyS> all 4 were filled to lift between 47 and 49 gms
[18:54] <Dan-K2VOL> how full were they?
[18:54] <jcoxon> NigeyS, thats quite a bit
[18:54] <NigeyS> almostt 40%
[18:54] <Dan-K2VOL> interesting curve
[18:54] <NigeyS> jcoxon, payload was a bit heavier, 86gms
[18:54] nosebleedKT_ (nosebleedK@ppp091138193109.dsl.hol.gr) joined #highaltitude.
[18:54] <jcoxon> NigeyS, was that lift including the balloon?
[18:54] <EI5GTB> NigeyS would love to track! and now i realise iv left my HT charger in ireland
[18:55] <NigeyS> lol
[18:55] <NigeyS> jcoxon, that was free lift
[18:55] <jcoxon> so total lift was 47 * 4 ?
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[18:55] <NigeyS> yups
[18:55] <NigeyS> 1 of them was 49
[18:56] <NigeyS> slightly over
[18:56] <jcoxon> fair enough
[18:56] <jcoxon> lets see what happens
[18:56] <jcoxon> also please add the data to the table
[18:56] <NigeyS> will do, curently 850m alt
[18:57] <jcoxon> does anyone elses ascent rate on spacenear.us do funny things?
[18:57] <NigeyS> mine is, keeps jumping from 5.1 to 0.1
[18:57] <Dan-K2VOL> I just use the graph to estimate it
[18:58] <Dan-K2VOL> great job on the light payloads guys
[18:58] <Lunar_Lander> here it is 1.6 m/s atm
[18:58] <Lunar_Lander> 1.2
[18:58] <jcoxon> Dan-K2VOL, you going to watch teh whole conference?
[18:58] <Dan-K2VOL> yes
[18:58] <jcoxon> hehe
[18:58] <Dan-K2VOL> if the stream holds up, and I go to bed early :-)
[18:58] MrCraig (~craig.cha@host86-166-79-233.range86-166.btcentralplus.com) joined #highaltitude.
[18:58] <jcoxon> get to see my talk on pico habbing then
[18:59] <Dan-K2VOL> I hope so!
[18:59] <jcoxon> oh i'm in the states next week
[18:59] <jcoxon> though not your part of the states sadly
[18:59] <NigeyS> 1km
[18:59] <Dan-K2VOL> really! aw
[18:59] <jcoxon> New England for a 10 days
[18:59] <Dan-K2VOL> well, hibby explored it already, so there's no reason really for any more to bother in these parts :-P
[18:59] <Lunar_Lander> 3.5
[18:59] <Dan-K2VOL> nice, family, fun or business?
[18:59] <daveake> I see that the Welsh balloon is running away from France already ... :p
[19:00] <NigeyS> lol
[19:00] <GW8RAK> daveake, provocative or what?
[19:00] <NigeyS> 1.2km
[19:01] <GW8RAK> Finally got working broadband and pc
[19:01] <gb73d> i can see !
[19:01] <daveake> Oh, I'm hoping they beat the Frogs tomorrow :)
[19:01] daveake (daveake@ left #highaltitude.
[19:06] <NigeyS> 1.6km
[19:09] UpuMobile (UpuMobile@ptr- joined #highaltitude.
[19:09] <UpuMobile> hi from the train
[19:09] <Lunar_Lander> hi train
[19:09] <Lunar_Lander> xD
[19:10] <NigeyS> 1.8km
[19:10] <jcoxon> NigeyS, you getting good reception?
[19:11] <NigeyS> very good signal yup
[19:11] <Dan-K2VOL> here's a nice calculator that will give you expected air temp at altitudes quickly: http://digital-dutch.com/atmoscalc/ (i.e. right now)
[19:11] <Dan-K2VOL> how warm was it at the launch site?
[19:11] <NigeyS> 15c
[19:11] <fsphil-laptop> 2km up
[19:11] <fsphil-laptop> 11km downrange
[19:12] <Dan-K2VOL> wow nigeys you have a standard temperature day
[19:12] <NigeyS> lol yup
[19:12] <Dan-K2VOL> so at 2000m it's likely around 2C
[19:12] <fsphil-laptop> heading north
[19:12] <UpuMobile> not on my train them
[19:12] <UpuMobile> the free wifi doesn't work
[19:14] <MrCraig> offering free wifi services @ 300baud
[19:14] <MrCraig> <grin>
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[19:14] <NigeyS> 2.2k
[19:14] <fsphil-laptop> where abouts is the train upu?
[19:15] <UpuTrain> check spacenear.us
[19:15] UpuMobile (UpuMobile@ptr- left irc: Read error: Network is unreachable
[19:15] <jcoxon> doc generator link please?
[19:15] <UpuTrain> is on ukhas
[19:15] <DanielRichman> http://habhub.org/genpayload
[19:15] <UpuTrain> under err something
[19:17] <NigeyS> 2.3km
[19:17] <UpuTrain> whats 2.3km ?
[19:17] <NigeyS> picochu-2
[19:17] <UpuTrain> oh in the air ?
[19:17] <NigeyS> yups
[19:17] <UpuTrain> can't load spacenear.us
[19:17] <UpuTrain> how long has it been up ?
[19:18] <jcoxon> DanielRichman, is it possible to view flight docs through a web browser
[19:19] <NigeyS> bput 45mins upu
[19:19] <NigeyS> bout*
[19:19] <NigeyS> 2.6km 1.6m/s asc rate
[19:19] <fsphil-laptop> nice signal on the yagi now, had to change from the whip
[19:20] <jcoxon> no nearby global tuners :-(
[19:21] UpuTrain (UpuMobile@ptr- left irc: Read error: No route to host
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[19:22] <DanielRichman> yeah jcoxon. You can either ssh and use futon, the couchdb UI, or I can give you a link for json all flight docs
[19:22] <NigeyS> jcoxon, :(
[19:22] <jcoxon> i'm generating a xml for wb8elk that is very similar to his
[19:22] <DanielRichman> you could use jsonlint.org or something to make that readable
[19:23] <fsphil-laptop> 3km
[19:23] <Dan-K2VOL> my rough guess calcs show, nigey, that if you only filled the balloons to 40% volume, you might reach 7000km before they start to pressurize
[19:25] <NigeyS> 3.2km
[19:25] <NigeyS> awsome, thats what i plugged into the predictor
[19:26] <NigeyS> ping GW8RAK
[19:26] <Dan-K2VOL> so maybe in another 45 minutes
[19:26] <DanielRichman> jcoxon: http://habitat.habhub.org/habitat/_design/habitat/_view/payload_config?startkey=[%22WB8ELK%22,0]&include_docs=true&limit=1
[19:26] <jcoxon> could i edit that flight doc directly
[19:26] <jcoxon> ?
[19:26] <jcoxon> and pastebin it back to you?
[19:28] <GW8RAK> pong NigeyS
[19:28] <NigeyS> you might be able to hear this graham, got a very strong signal still down here
[19:28] <DanielRichman> yeah sure jcoxon
[19:29] <jcoxon> no ID's i'd mess with?
[19:29] <NigeyS> dial freq is 434.086
[19:29] <GW8RAK> Just as it came over the horizon, there was a little burst of RTTY, but nothing now.
[19:29] <NigeyS> bah
[19:29] <NigeyS> 3.5km
[19:29] <GW8RAK> A friend near Llandod is listening as well.
[19:29] <NigeyS> yey
[19:30] <DanielRichman> ill deal with that
[19:31] <GW8RAK> Don't know how far surface winds extend upwards, but http://www.skyedata.com/Llandrindod/wdl.html
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[19:32] <jcoxon> DanielRichman, http://pastebin.com/h9FcvwFQ
[19:33] <jcoxon> that is an awesome interface GW8RAK
[19:33] <GW8RAK> It's run by a friend's son.
[19:33] <GW8RAK> Nice and informative
[19:33] <NigeyS> its dam neat!
[19:34] <NigeyS> 3.9km almost beat picochu-1 alt
[19:34] <jcoxon> NigeyS, fsphil-laptop funny blips every 10mins
[19:34] <NigeyS> weird
[19:34] <fsphil-laptop> it seems to loose lock, then the altitude sticks for a couple of strings
[19:36] <NigeyS> 4km
[19:36] <NigeyS> 1.5ms
[19:38] <GW8RAK> Think I'm getting it now. What is the shift etc NigeyS
[19:38] <fsphil-laptop> 375hz GW8RAK
[19:39] <GW8RAK> 7 bits?
[19:39] <NigeyS> yup
[19:39] <GW8RAK> Autoconfigure in fldigi?
[19:39] <NigeyS> picochu-1 in the payload list i think
[19:39] <NigeyS> yup
[19:39] <fsphil-laptop> picochu-1 in fldigi
[19:40] <DanielRichman> jcoxon: cool. How quickly do you need that done?
[19:42] <jcoxon> launch is tomorrow
[19:42] <NigeyS> 4.5k
[19:43] <DanielRichman> ok. Will do it asap (<10mins)
[19:43] Jasperw (~jasperw@2001:470:1f08:1caf::2) joined #highaltitude.
[19:43] <jcoxon> awesome
[19:44] GW8RAK_ (~chatzilla@host-2-99-29-115.as13285.net) joined #highaltitude.
[19:44] <GW8RAK_> Decode!
[19:44] <jcoxon> hooray for GW8RAK
[19:45] <GW8RAK_> Okay, I know it's not a big success, but after the day I've had with computers and the internet, it's nice to know something is working.
[19:45] <jcoxon> thats a good rx
[19:45] <jcoxon> low alt, long range
[19:45] <NigeyS> yey n1 graham
[19:45] <DanielRichman> jcoxon: 1week launch window is OK?
[19:46] <jcoxon> yeah
[19:46] <NigeyS> still strong here
[19:46] <NigeyS> 4.8km
[19:46] <GW8RAK_> S7 signals here with the preamp on
[19:46] <fsphil-laptop> <preamp envy />
[19:47] Action: jcoxon really wants this to float..
[19:47] <fsphil-laptop> I do too, NigeyS doesn't :)
[19:47] <jcoxon> you planning recovery?
[19:47] daveake (~daveake@ joined #highaltitude.
[19:47] <fsphil-laptop> nah
[19:47] <DanielRichman> jcoxon: note that callsign... I think its case sensitive
[19:47] <fsphil-laptop> we've no transport
[19:47] <GW8RAK_> Depends where it ends up
[19:47] <DanielRichman> i forgt but I believe it is
[19:47] <jcoxon> oh right
[19:47] <jcoxon> it'll be tx'd as capitals
[19:47] <DanielRichman> ok
[19:48] <fsphil-laptop> 5km
[19:48] <fsphil-laptop> 21km downrange
[19:48] <GW8RAK_> Got a couple of other amateurs listening out for it and it'll be passing over their heads
[19:48] <jcoxon> GW8RAK_, persuade them to use dl-fldigi?
[19:48] <fsphil-laptop> -3c
[19:49] <fsphil-laptop> getting chilly up there
[19:49] <GW8RAK_> One will be back home soon and will be giving it a try.
[19:49] <DanielRichman> jcoxon: is there a name for the flight other than the callsign? like, "Bill's Flight" or w/e
[19:49] <jcoxon> guess the date would do
[19:49] <NigeyS> 5.1km -3c 1.4m/s
[19:49] <GW8RAK_> Evening flights are very convenient
[19:49] Action: SpeedEvil wonders how you'd do interferometric location.
[19:50] Action: jcoxon predicts float now
[19:50] daveake (daveake@ left #highaltitude.
[19:50] <GW8RAK_> If it does float, it could take a long time to get anywhere
[19:51] <SpeedEvil> If you have a balloon with a GPS stabilised oscillator of a known frequency and position, I suppose if it's in-band with another balloon, you can if you compare the phase across different stations tell the relative movement.
[19:51] <Laurenceb_> with an si4432 or cc1020 its way simpler
[19:52] <Laurenceb_> just bounce a packet off with AFC, and measure the doppler
[19:52] <SpeedEvil> hmm
[19:52] <SpeedEvil> I was wondering about _really_ simple payloads.
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[19:52] <NigeyS> gw8RAK yup, im not staying up all night tracking though lol
[19:52] <jcoxon> NigeyS, dial freq?
[19:52] <SpeedEvil> As in little more than a transmitter.
[19:52] UpuMobile (UpuMobile@ptr- joined #highaltitude.
[19:53] <Laurenceb_> yeah
[19:53] <SpeedEvil> CW
[19:53] <NigeyS> 434.086
[19:53] <Laurenceb_> cc1020 is simple :P
[19:53] <SpeedEvil> True, I suppose.
[19:53] <Laurenceb_> but yeah youd need uplink
[19:54] <jcoxon> looking at the horizon line i reckon quite a few people could rx this right now
[19:54] <jcoxon> NigeyS, worth emailing hte list?
[19:54] <NigeyS> go 4 it, this may well be a long flight
[19:54] <UpuMobile> I do have radio with me ... :)
[19:55] <UpuMobile> however I suspect my fellow passengers may not apprecaite RTTY and static like I do
[19:55] <fsphil-laptop> everyone loves rtty UpuMobile
[19:55] <fsphil-laptop> it's very soothing
[19:56] <SpeedEvil> It's not RTTY
[19:56] <SpeedEvil> It's modern Jaz.
[19:56] <number10> mmm I wonder - Mrs Number10 says are you going to be doing bleep bleep bleep all weekend
[19:56] <fsphil-laptop> Aphex Twin's latest tune
[19:56] <staylo> filthy woman!
[19:56] <number10> thats just the rtty
[19:57] <staylo> ;)
[19:57] <number10> she also sya are you going to speak to yoo hoo... and I say grrr its Upu
[19:57] <number10> sya==says
[19:58] <Lunar_Lander> rofl
[19:58] <UpuMobile> Hi Ros
[19:58] <number10> *sorry Upu
[19:58] <number10> she says Hi
[19:59] <UpuMobile> Caroline things thats funny
[19:59] <UpuMobile> thinks
[19:59] <GW8RAK_> Sounds like someone else has a laugh at our expense. :)
[19:59] <UpuMobile> Spacenear.us isn't very mobile internet user friendly
[20:00] <fsphil-laptop> UpuMobile, it so isn't
[20:00] <UpuMobile> I met number10 and his missus in Buttermere randomly
[20:00] <GW8RAK_> One amateur in mid Wales is hearing RTTY
[20:00] <jcoxon> hehe i sometimes think we are the only people that actually use RTTY in 70cms
[20:00] <NigeyS> 6k
[20:01] <GW8RAK_> I can't imagine anyone else trying it
[20:01] <UpuMobile> there is some RTTY up near me just off amateur frequencies
[20:01] <number10> Was nice to meet you btw
[20:01] <Randomskk> so it looks like there's no service through angel station tomorrow?
[20:01] <UpuMobile> yeah shame you can't make it this weekend
[20:01] <jcoxon> Randomskk, indeed
[20:01] <Dan-K2VOL> getting close nigeys!
[20:01] <UpuMobile> No northern line is closed from Camden to somewhere past london brige
[20:01] <jcoxon> not chosen the best day really
[20:02] <jcoxon> but Buses are good
[20:02] <UpuMobile> Can't remember the exact station
[20:02] <jcoxon> proper london transport
[20:02] <number10> I will watch with interest. and the bits I mis I understand will be on youtube
[20:02] <Randomskk> UpuMobile: to kennington
[20:02] <Randomskk> which means nothing through angel
[20:02] <UpuMobile> though just work round it and get to Xcross and walk from there
[20:02] <UpuMobile> thats it thx Randomskk
[20:02] <Randomskk> yea, walking from king's cross is basically the solution
[20:02] <UpuMobile> Simrum is boris biking
[20:03] American (a5c4000a@gateway/web/freenode/ip. joined #highaltitude.
[20:03] <UpuMobile> Simrun
[20:03] <American> Hello!
[20:03] <UpuMobile> hi there
[20:03] <DanielRichman> I think he may have changed.his mind
[20:04] <American> We're an engineering club at American River College in Sacramento, CA
[20:04] <DanielRichman> sbasuita:
[20:04] <UpuMobile> hi there American
[20:04] <fsphil-laptop> -10c
[20:04] <American> We're looking for some advice on a high altitude balloon
[20:05] <UpuMobile> probably in the right place this is the world wide HAB center
[20:05] <UpuMobile> I've decided that this afternoon
[20:05] <nosebleedKT_> good night all
[20:05] <American> I was recommended to here by a friend of mine from another chatroom, orbiter forum
[20:05] <fsphil-laptop> Gets my vote
[20:05] <American> gnite!
[20:05] <UpuMobile> messing American ask away, also of interest may be the conference we are having tommorrow in London
[20:06] <UpuMobile> its streaming so you can watch it
[20:06] <GW8RAK_> Lovely signal here now NigeyS
[20:06] <American> Where?
[20:06] nosebleedKT_ (nosebleedK@ppp091138193109.dsl.hol.gr) left irc:
[20:06] <fsphil-laptop> sweeeeet
[20:06] <UpuMobile> can someone link the wiki conferfence page pls
[20:06] Pelham_123 (56b07614@gateway/web/freenode/ip. joined #highaltitude.
[20:06] <NigeyS> awsome, still decoding here on my whip!
[20:06] <UpuMobile> I can't do web pages on this link
[20:06] Action: fsphil-laptop had to move to the yagi
[20:06] <fsphil-laptop> but I'm using a funcube dongle!
[20:06] <Randomskk> http://ukhas.org.uk/general:ukhasconference
[20:06] <UpuMobile> stream will be at http://stream.ukhas.org.uk
[20:06] <UpuMobile> times in EST ore on the page
[20:07] <American> thanks!
[20:07] <UpuMobile> but ask away anyway
[20:07] <Laurenceb_> http://www.youtube.com/watch?v=RnaLA8RCkRU
[20:07] <UpuMobile> if I disconnect I'm not being rude I'm on a train
[20:08] <Paradoxial> You Europeans really like trains, don't you ;)
[20:08] <American> That's fine. We're working on our payload right now.
[20:08] <UpuMobile> cba driving into london, its not very car friendly
[20:08] <American> lol
[20:08] <Randomskk> Paradoxial: sorry that our socialist train system is just so much better than yours :P
[20:09] <Laurenceb_> apart from the prices arent very communist
[20:09] <Paradoxial> Randomskk: I agree
[20:09] <UpuMobile> no they aren't
[20:10] <GW8RAK_> NigeyS, just been out in the garden with the scanner and whip aerial. Strong enough to decode
[20:10] <jcoxon> Randomskk, our train system is awful
[20:10] <UpuMobile> whats the altitude atm ?
[20:10] <GW8RAK_> 6646m
[20:10] <Randomskk> jcoxon: have you tried the american one?
[20:11] <GW8RAK_> Time for another beer I think.
[20:11] <UpuMobile> Chinese trains are epic, really really fast and very pretty attendants
[20:11] <jcoxon> yeah its pretty bad
[20:11] <fsphil-laptop> signal quite weak here atm
[20:11] <jcoxon> UpuMobile, agreed, apart from their 3rd class
[20:11] <jcoxon> that is awful
[20:11] <UpuMobile> they run on time too,mainly because if they are late someone gets shot
[20:11] <jcoxon> never again
[20:11] <Randomskk> japanese trains remain my favourite so far
[20:11] <Randomskk> jcoxon: hehe
[20:11] <UpuMobile> communisim in practice
[20:11] <American> So, you guys are traking something right now?
[20:11] <Randomskk> hard class russian all the way
[20:11] <NigeyS> wow nice n strong
[20:11] <jcoxon> hehe train competition
[20:11] <NigeyS> were fading here now
[20:12] <UpuMobile> yeah there is a pico payload up in the air
[20:12] <NigeyS> 6.7km
[20:12] <Randomskk> I wussed out and went for soft class
[20:12] <Randomskk> hard class looked seriously miserable
[20:12] <jcoxon> http://www.flickr.com/photos/jcoxon77/349530689/in/set-72157594465849168
[20:12] <American> cool. What are you launching on?
[20:12] <fsphil-laptop> -13c
[20:12] <fsphil-laptop> brrrr!
[20:13] <Randomskk> hehe nice, where was that?
[20:13] <jcoxon> American, http://spacenear.us/tracker/
[20:13] <Laurenceb_> lol Upu on the tracker is a train
[20:13] <jcoxon> Randomskk, mauritania, longest train in the world
[20:13] <GW8RAK_> If it continues to head a bit more northward, it's ideal
[20:13] <UpuMobile> am I ? :)
[20:13] <American> So, you're measuring temp and altitude
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[20:13] <UpuMobile> I can't load it
[20:13] <Dan-K2VOL> should be around-30C at this altitude i think
[20:13] <jcoxon> American, this is a special flight
[20:13] <DanielRichman> jcoxon: http://habitat.habhub.org/habitat/83d6a4747d63b41eb7d4fd6d39a0ce1a
[20:14] <GW8RAK_> NigeyS, surprised no-one has mentioned some of the Welsh place names it's flying over
[20:14] <Randomskk> nice
[20:14] <NigeyS> lol
[20:14] <jcoxon> DanielRichman, awesome
[20:14] Action: fsphil-laptop has been trying to pronounce them
[20:14] <DanielRichman> can you confirm that this is OK/or provide a test string
[20:14] <NigeyS> phil has tried bless him
[20:14] <DanielRichman> I named the flight "Bill Brown/Near Space Ventures" after googling the callsign
[20:14] <American> What's so special?
[20:14] <jcoxon> American, check out our wiki http://wiki.ukhas.org.uk
[20:14] <fsphil-laptop> I just don't have the vowels
[20:14] <GW8RAK_> Phil, just imagine you have a mouth full of phlegm
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[20:14] <RocketBoy> anyone got details for the flight - payload weight, balloons fill ?
[20:14] <jcoxon> American, super light weight payload and a mylar balloon
[20:15] <Lunar_Lander> xD GW8RAK
[20:15] <jcoxon> RocketBoy, they are going to add it to the pico table
[20:15] <GW8RAK_> Lunar, Welsh is much easier with a throat infection
[20:15] <RocketBoy> np - will wait
[20:15] <NigeyS> 7k Dan-K2VOL
[20:15] <UpuMobile> lol
[20:15] <NigeyS> RocketBoy, !!
[20:15] <NigeyS> picochu-2 is at 7km
[20:15] <GW8RAK_> 6999
[20:15] <RocketBoy> yo yo!
[20:15] <American> Hey, Lunar_Lander, It me, MaverickSawyer!
[20:16] <American> from O-F
[20:16] <fsphil-laptop> what's the record altitude for a foil launch?
[20:16] <Lunar_Lander> hey!
[20:16] <fsphil-laptop> 36.5km down range
[20:16] <Lunar_Lander> welcome American :)
[20:16] <American> thanks!
[20:16] <jcoxon> fsphil-laptop, http://wiki.ukhas.org.uk/projects:microballoons:data
[20:16] <jcoxon> 7200
[20:16] <GW8RAK_> Now on 434.086
[20:16] <costyn> evening all
[20:17] <fsphil-laptop> 434.086 here too
[20:17] <NigeyS> 7.1km
[20:18] <American> We're about to go do a materials test for our suspension lines.
[20:18] <RocketBoy> its showing some signs of slowing down - perhaps heading toward flaot
[20:18] <NigeyS> hope so steve!!
[20:18] <Lunar_Lander> cool American
[20:18] <RocketBoy> NigeyS: me 2
[20:19] <American> We've kept some samples in the bio lab freezer at -80*C... We'll let you know how it went in a little while.
[20:19] <American> TTYL
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[20:19] <Lunar_Lander> cool
[20:19] <Lunar_Lander> I also have access to such a freezer
[20:19] <NigeyS> 7219 yey theres the alt record!
[20:19] <Lunar_Lander> nosebleed wants me to test a battery in it
[20:19] <Lunar_Lander> YAY WELL DONE NIGEYS
[20:19] <Lunar_Lander> :P
[20:20] <UpuMobile> oh it loaded
[20:20] <fsphil-laptop> signal's getting a bit wobbly
[20:20] <NigeyS> lipos gonna b gettin cold now
[20:20] <UpuMobile> isn't that high for mylar ?
[20:21] <fsphil-laptop> no gps fix in a while
[20:21] <jcoxon> eek
[20:21] <costyn> can someone give me an executive summary? NigeyS has launched a mylar/foil balloon with a tiny payload? about right? and it's higher than any other foil balloon until now?
[20:21] <Lunar_Lander> NigeyS: how light did you get the payload?
[20:21] <Lunar_Lander> seems about right costyn
[20:21] <fsphil-laptop> costyn, yep :)
[20:21] <NigeyS> yups
[20:21] <costyn> k cool thx
[20:21] <costyn> NigeyS: congrat :)
[20:21] <costyn> s
[20:21] <fsphil-laptop> still no gps fix
[20:22] <jcoxon> thats not good
[20:22] <jcoxon> didn't we have this problem last time
[20:22] <NigeyS> lipo may be to cold to power the gps
[20:22] <GW8RAK_> Lack of volts NigeyS?
[20:22] <UpuMobile> 2W0VIM :)
[20:22] <fsphil-laptop> haha
[20:23] <UpuMobile> keeping it compliant :)
[20:23] <fsphil-laptop> looks really odd
[20:23] <GW8RAK_> What a bummer
[20:23] <fsphil-laptop> still no gps
[20:23] <fsphil-laptop> :(
[20:23] <NigeyS> so... lipos dont like -15 temps heh
[20:25] <fsphil-laptop> it may be descending, signal is fading
[20:25] <number10> got cheap yagi - can hear faint rtty on 434.089 here
[20:26] <Lunar_Lander> NigeyS: you have little to no insulation on it?
[20:26] <NigeyS> very little
[20:26] <NigeyS> still a strong signal
[20:26] <bfirsh> ack - forgot to sign up for the conference
[20:26] <bfirsh> is there room for one more?
[20:27] <bfirsh> jcoxon: I realised a few weeks ago I still have one of your gumstix boards ;)
[20:27] <jcoxon> do you!
[20:27] <jcoxon> hehe
[20:27] <UpuMobile> there is a space actually
[20:28] <UpuMobile> cuddykid
[20:28] <UpuMobile> are you coming tommorrow ?
[20:29] <fsphil-laptop> frequency is dropping slowly
[20:29] <fsphil-laptop> but it got a bit stronger here
[20:29] <cuddykid> Hi UpuMobile yep :) literally just made the decision! I will pay now :)
[20:29] <cuddykid> well.. at least I'm going to try make my way there!
[20:29] <UpuMobile> bring the money tommorrow is that ok ?
[20:30] <NigeyS> jcoxon, you think we're in lipo is not gonna work territory ?
[20:30] <Laurenceb_> cant see anything on the tracker
[20:30] <UpuMobile> unless jcoxon would prefer paypal ?
[20:30] <Lunar_Lander> hi cuddykid
[20:30] <cuddykid> UpuMobile: That would work better probably (bringing the money) if poss :)
[20:30] <GW8RAK_> How long could the Lipo last for NigeyS?
[20:30] <cuddykid> hi Lunar!
[20:31] <NigeyS> about 8 hours, but at -15 its kinda at its thermal limit, may not be enough current to power the gps
[20:31] <GW8RAK_> So not enough for overnight
[20:32] <NigeyS> hmm doubt it
[20:32] <GW8RAK_> Does cold just prevent them working or does it reduce the power available
[20:32] <NigeyS> reduces power
[20:32] <GW8RAK_> Kills them.
[20:32] <NigeyS> so maybe enough for the radio, but not for the gps
[20:32] <UpuMobile> what GPS is it ?
[20:32] <cuddykid> btw, is anyone bringing an iPhone charger tomorrow? I have the usb cable but not the plug :( & I don't think my battery will survive for the day otherwise!
[20:33] <NigeyS> UpuMobile, locosys
[20:33] <UpuMobile> ok
[20:33] <bfirsh> totally forgotten my login for the wiki too
[20:33] <UpuMobile> yeah I have one cuddykid
[20:33] <bfirsh> *sigh*
[20:33] <cuddykid> awesome, could I borrow it for a few mins tomorrow?
[20:33] <UpuMobile> sure
[20:33] <cuddykid> thanks :)
[20:34] <cuddykid> I think I'm going to borris bike from St pancreas
[20:34] <cuddykid> or might walk
[20:34] <bfirsh> oh well
[20:35] <number10> ....!PicoChu-1 MK2`WAITIN\4:cIX ..>.J>... XicoClu-PMK2 WEI~MNg FOR GPS FIXP.>.n
[20:35] <cuddykid> is the conf finishing at 6 ?
[20:35] <UpuMobile> around then yes
[20:36] <cuddykid> cool :) I might have to leave a bit earlier :(
[20:36] <UpuMobile> we have Bill Brown doing a quick chat late afternoon
[20:37] <GW8RAK_> S3 here without the preamp in. And quite strong on the scanner and whip in the garden
[20:37] <GW8RAK_> But too far to DF it
[20:37] <GW8RAK_> Still going up?
[20:37] <cuddykid> hmm.. looking at train times - I think I'm going to arrive just before 11 - just in time
[20:38] <fsphil-laptop> GW8RAK, suspect it's floating
[20:38] <fsphil-laptop> though with the signal number10's getting, it may still be ascending
[20:38] <GW8RAK_> Very strong and clean here
[20:38] <NigeyS> RocketBoy, any ideas ?
[20:38] <fsphil-laptop> what dial frequency GW8RAK_?
[20:38] <fsphil-laptop> and number10
[20:39] <GW8RAK_> .085
[20:39] <GW8RAK_> 1500Hz right hand peak. Shift decreasing
[20:39] <number10> lost it at the mo
[20:39] <GW8RAK_> 335 shift
[20:40] <GW8RAK_> When Evan gets back I'll see if he can DF it. It should be east of him by now
[20:40] <fsphil-laptop> annoying this
[20:40] <fsphil-laptop> nice strong signal again
[20:41] <fsphil-laptop> funcube dongle doing fantastically well
[20:41] <NigeyS> so is my whip n balls!
[20:41] <Randomskk> what
[20:41] <NigeyS> dont ask
[20:41] <NigeyS> :)
[20:41] <Randomskk> :P
[20:41] <number10> got it again but my freq always different to everyone 434.0875
[20:42] <GW8RAK> Phil, you'll need you FCD if the Kick Sat project gets going
[20:42] <fsphil-laptop> ooh wassat?
[20:42] <fsphil-laptop> I'm monitoring on my home station too - no sign of it
[20:43] <GW8RAK> http://www.kickstarter.com/projects/251588730/kicksat-your-personal-spacecraft-in-space
[20:43] <GW8RAK> Proposing to use a spread spectrum technique
[20:43] <number10> RicoChw-1 MK2 WAITKNG FO[ ;cI| >..
[20:43] <fsphil-laptop> reset
[20:43] <fsphil-laptop> battery's dead
[20:43] <Lunar_Lander> ping jonsowman
[20:43] <GW8RAK_> Battery dead
[20:43] <GW8RAK_> What a shame
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[20:44] <cuddykid> I don't suppose anyone know's whether the "super off peak return" ticket (east midlands trains) are the same price at the station as online?!
[20:44] <fsphil-laptop> nooooooooooooo! </darth>
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[20:44] <GW8RAK_> "tarting PicoChu-1"
[20:44] <NigeyS> picochu is a tart!
[20:45] <GW8RAK_> That's why she doesn't like going out in the cold with no insulation
[20:45] <NigeyS> must be floating though
[20:45] <Lunar_Lander> LOL
[20:46] <NigeyS> Farting Pibo
[20:46] <NigeyS> charming
[20:46] <fsphil-laptop> getting shorter each time now
[20:47] <GW8RAK_> Probably up near Ludlow by now
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[20:49] <fsphil-laptop> getting quieter
[20:49] <Lunar_Lander> yea
[20:49] <fsphil-laptop> silly lipo batteries and their silly chemistry
[20:50] <GW8RAK> It's a tough decision. Low mass has it's attractions
[20:51] <Lunar_Lander> yeah
[20:52] <fsphil-laptop> I think it's falling
[20:53] <cuddykid> train tickets booked!
[20:54] <fsphil-laptop> yay!
[20:54] <fsphil-laptop> we're hitting the train station at 5:50 tomorrow morning
[20:54] <cuddykid> oh wow!!
[20:55] <cuddykid> see you there fsphil-laptop!
[20:55] <fsphil-laptop> indeedy! if we don't get lost ;)
[20:56] <cuddykid> yup!
[20:56] <cuddykid> where are you coming from fsphil?
[20:56] <number10> wow that was amazin picking PICOCHU signal from here, hanging out the bedroom window with laptop on the bed (I think Mrs10 will not be pleased)
[20:56] <fsphil-laptop> Cardiff
[20:56] <cuddykid> ahh ok, do you have to catch an ariva (or something like that) train?
[20:57] <fsphil-laptop> number10, amazing you heard it
[20:58] <Laurenceb_> any decode?
[20:58] <number10> was a bit of a rush
[20:58] <Dan-K2VOL> oh no are you kidding, it lost signal when it was about to pressurize?
[20:58] <fsphil-laptop> Dan-K2VOL, looks like
[20:59] <number10> grabbed PC and got partial decodes PicoChu-10MK2 8jiNG FOR GPS FIXp.... ?... PicoChu-1 MK2 WAITIN\4:P.... W..> PicoChw-1 48jING FORL"5 H"MJI K`jCD@X0 |!r$A`<$Ax1 5M>z~Chu?WaMtK~\4s0>XMmmOW?pUiwoov>^>\Z:cIx .n~../>/ Xi<=x8jINGpgOZ GPS FIX >.. .~/. RicoChw-1 MK2 WAITKNG FO[ ;cI| >...
[20:59] <fsphil-laptop> well we still have the signal, but it's not useful
[20:59] <NigeyS> Dan-K2VOL, think the -15c got to the lipo and killed it
[20:59] <Laurenceb_> waiting for gps
[21:02] <number10> I was just holding the yagi out of the window, needs to be tuned as only assembled it yesterday -
[21:03] <fsphil-laptop> signal right in the noise now
[21:03] <Dan-K2VOL> lol 15C, the standard atmosphere says 32C
[21:03] <fsphil-laptop> it's definitely falling
[21:04] <NigeyS> so what u think dan, cold evenings are better for getting these things higher?
[21:05] <GW8RAK> Still S2 here
[21:05] <Dan-K2VOL> nigeyS, I think it's less likely to burst if you haven't done the math right, but if you have done the math right, time of day won't matter
[21:06] <RocketBoy> I'm not sure temprature makes much difference to air density
[21:06] <RocketBoy> just a little maybe
[21:06] <fsphil-laptop> wouldn't it make a big difference to the gas inside the balloon?
[21:06] <Dan-K2VOL> check my talk tomorrow for that topic ;-) gotta run, ttyl all
[21:06] <Lunar_Lander> Density is pressure divided by Gas Constant times temperature
[21:07] <NigeyS> this need repeating i think, same lift etc, in the daytime
[21:07] <Lunar_Lander> for dry air
[21:07] <Lunar_Lander> for humid air, you need to apply a correction
[21:07] <Lunar_Lander> http://en.wikipedia.org/wiki/Density_of_air#Temperature_and_pressure
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[21:08] <jonsowman> Lunar_Lander: you pinged?
[21:08] <GW8RAK> The noise of a failing TX is even more annoying than RTTY
[21:08] <NigeyS> lol GW8RAK so true!!
[21:08] <fsphil-laptop> yea it is
[21:08] <fsphil-laptop> still got the blips on the waterfall
[21:09] <fsphil-laptop> not sure what that says about the altitude
[21:09] <Lunar_Lander> yes jonsowman
[21:11] <fsphil-laptop> I'm gonna be hearing this "wooop" in my sleep
[21:11] <jcoxon> still in the air then?
[21:11] <NigeyS> yups
[21:12] <fsphil-laptop> still see it on the waterfall
[21:12] <jcoxon> its a floating i suspect
[21:12] <fsphil-laptop> but only just
[21:12] <NigeyS> think this is floating james, its getting stronger :|
[21:12] <jcoxon> keep tracking
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[21:13] <fsphil-laptop> signal gone for me
[21:14] <NigeyS> gonna pause for tea, think this helps the data on picos in any way james? lol
[21:14] <jcoxon> all data is good
[21:15] <Lunar_Lander> maybe we could make a tea-fuelled power source?
[21:15] <Lunar_Lander> that would be British engineering at its best
[21:15] <Lunar_Lander> xD
[21:15] <GW8RAK> Which is the lightest insulation? Bubblewrap?
[21:15] <NigeyS> bubblewrap i think
[21:16] <NigeyS> which we had none of, so it just went in a static bag with some gaffa tape
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[21:17] <GW8RAK> Just thinking about pico payload design
[21:17] <NigeyS> ahh, i think with some bubblewrap it wouldve been fine but meh, still got some useful data
[21:17] <NigeyS> brb
[21:17] <GW8RAK> Or perhaps a handwarmer would keep it hot with enough O2 at low altitudes
[21:18] <Lunar_Lander> yea
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[21:20] <fsphil-laptop> aaah chemical warmer
[21:20] <fsphil-laptop> I'm thinking of aaa's
[21:20] <fsphil-laptop> lithiums
[21:20] <GW8RAK> There are charcoal burning ones and crystalline ones.
[21:21] <GW8RAK> Melt crystals in hot water, when cold, flex the internal metal thing and it crystallises giving out heat.
[21:21] <GW8RAK> The crystals are contained in a pvc bag
[21:22] <fsphil-laptop> I had a hand warmer once
[21:22] <fsphil-laptop> did that
[21:22] <fsphil-laptop> great for cold nights at the telescope
[21:23] <fsphil-laptop> brb, food
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[21:26] <yak> Hi
[21:27] <GW8RAK> Hi
[21:27] <fsphil-laptop> howdy yak
[21:27] <yak> I'm planning my first high altitude baloon
[21:28] <yak> Just started building a tracker
[21:28] <number10> I hope you lot have a good time tomorrow at the conference - dont forget to turn off the stream during lunch - It will make me hungry
[21:28] <fsphil-laptop> mmmm
[21:28] <fsphil-laptop> pizza
[21:28] <yak> Have been told that this is the place to get advice and such
[21:28] <fsphil-laptop> coolies yak, what sort of setup are you planning?
[21:29] <yak> Ptretty standard I think
[21:29] <number10> looks like you will be eating from a class resteraunf fsphil
[21:29] <yak> Using a IQ and atmel
[21:30] <number10> cu
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[21:30] <yak> and a NTX-2
[21:31] <yak> Looked around at various sites and am getting ideas from them
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[21:33] <Lunar_Lander> http://www.youtube.com/watch?v=qQxtJgexaJI
[21:33] <yak> Just started bread boarding
[21:34] <yak> I'm on the look out for a tracking radio but they are all so expensive
[21:35] <yak> can't find a Yaesu FT-790 that is less than £100
[21:36] <jcoxon> NigeyS, still there?
[21:36] <jcoxon> yak, they'll come up
[21:36] <GW8RAK> Don't forget some scanners yak
[21:36] <GW8RAK> If you don't want to transmit, then they are a cheaper option
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[21:38] <yak> That is true GW8RAK but kind of misses the point
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[21:38] <GW8RAK> Does it?
[21:38] RocketBoy (~steverand@5acfd4f7.bb.sky.com) joined #highaltitude.
[21:39] <yak> I have already bought the electronics and am keen to build something that works so yeh!
[21:39] <RocketBoy> the infuriating thing about these pico launches is that they all seem to quit when they just start to float
[21:39] <Lunar_Lander> yeah
[21:39] <natrium42> what happened with picochu?
[21:39] <GW8RAK> The 790 is only used as a receiver, not to transmit anything
[21:40] <RocketBoy> natrium42: we think the batteries started to die
[21:40] <natrium42> aah
[21:40] <NigeyS> bk
[21:40] <GW8RAK> Still transmitting natrium42
[21:40] <yak> Aye.GW8RAK I'm building the transmitter.
[21:40] <natrium42> is it a latexz/
[21:41] <natrium42> *latex?
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[21:41] <NigeyS> its still alive, barely
[21:41] <RocketBoy> natrium42: temprature go em
[21:41] <GW8RAK> Sorry, I don't see how it does miss the point. The NTX2 does the transmitting, the 790 or scanner receives only. Unless you have an amateur licence
[21:43] <fsphil-laptop> haha, we're still hearing the signal
[21:43] <fsphil-laptop> but only just
[21:43] <Lunar_Lander> cool
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[21:50] <Lunar_Lander> wb NigeyS
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[21:54] <GW8RAK> Still strong NigeyS
[21:54] <jcoxon> any valid data at all
[21:54] <GW8RAK> Nothing. Not enough power for anything more than a 1s burst
[21:55] <jcoxon> oh really
[21:55] <jcoxon> so not getting a full string out
[21:55] <GW8RAK> Nothing decodable. It's drifting by 500Hz+ during it's on phase
[21:56] <GW8RAK> I wonder how long I should leave the radio on for?
[21:56] <GW8RAK> It'll probably be going for a few hours yet
[21:56] <NigeyS> *checks*
[21:58] <NigeyS> LOS :(
[21:58] <NigeyS> ty Lunar_Lander
[21:58] <NigeyS> still getting it there GW8RAK
[21:58] <Lunar_Lander> you're welcome NigeyS
[21:58] <Lunar_Lander> :)
[21:58] <GW8RAK> Oh yes, S2 on the meter
[21:58] <Lunar_Lander> did we have night launches before btw?
[22:00] <fsphil-laptop> no signal here at all now
[22:01] <GW8RAK> Signal hasn't weakened in quite a while. Must still be floating or only going down slowly.
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[22:02] <GW8RAK> Or it's still going up
[22:02] <jcoxon> i think its floating
[22:02] <NigeyS> ill put money on it floating
[22:02] <jcoxon> damn no data
[22:02] <NigeyS> typical, we lose the gps and the sodding thing floats :(
[22:02] <natrium42> who is buzz?
[22:02] <NigeyS> jcoxon, but ...
[22:03] <NigeyS> its very repeatable because of the measurements we took
[22:03] <jcoxon> hooray
[22:03] <NigeyS> 47-49 grams of lift per balloon, and an 86gram payload, launch at 7pm .. 15c temperature ..
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[22:13] <jcoxon> NigeyS, still in the air?
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[22:19] <GW8RAK> NigeyS, I've got a DF bearing of 120 degrees magnetic and I can hear it indoors on the scanner and whip
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[22:19] <GW8RAK> Will try to plot the bearing
[22:20] <RocketBoy> oldschool
[22:21] <NigeyS> ooo
[22:21] <NigeyS> ure signal still strong ?
[22:26] <RocketBoy> nights
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[22:28] <fsphil-laptop> just checked my radio at home, not receiving anything
[22:29] <fsphil-laptop> if it was still at 7km then I'd probably be hearing something
[22:31] <GW8RAK> To the best of my very crude efforts, I put it somewhere along a line from Holywell down to Birmingham
[22:31] <GW8RAK> Considering it's original flight path, it's somewhere in Shropshire or Staffordshire
[22:31] <GW8RAK> Same signal strength here
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[22:33] <Lunar_Lander> yea
[22:34] <fsphil-laptop> that is neat
[22:34] <NigeyS> sounds about right GW8RAK, gutted we have no data
[22:36] <jcoxon> realistically it won't power up until about 6.30
[22:36] <jcoxon> with sunrise on the ground at 0722
[22:37] <fsphil-laptop> we'll be in london by then
[22:39] <daveake> What happened to picochu? run out of electrons?
[22:39] <fsphil-laptop> indeed. they all leaked out
[22:39] <GW8RAK> I'll have a listen in the morning if I wake up at my usual silly o'clock, but in the meantime, have fun in London. I'm off to bed
[22:39] <daveake> damn
[22:39] <daveake> stupid electrons
[22:40] <GW8RAK> If I hear anything tomorrow, I'll post it on here and hopefully someone will pick it up and report it at the conference
[22:40] <daveake> If anyone looked at my chase car data this evening, those speeds must have been conversion errors. Officer.
[22:41] <GW8RAK> Night all
[22:41] <daveake> Working late and wanting to get home for food had nothing to do with it :)
[22:41] <daveake> Night
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[22:42] <NigeyS> right nn guys, tnx all that tuned in to help track, cya tomorrow :D
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[22:58] <Lunar_Lander> good night
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[23:15] <daveake> Predictions for Buzz on Sunday having it landing near Cambridge. Make a change for a HAB to land there instead of launching from there :)
[23:15] <daveake> have*
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[00:00] --- Sat Oct 15 2011