highaltitude.log.20101121

[00:00] <LazyLeopard> Hey, it makes your flight planning a whole lot easier. :)
[00:01] <LazyLeopard> Hibby: Ooops! Digital TV?
[00:01] MoALTz (~no@92.23.10.238) joined #highaltitude.
[00:01] <Hibby> it appears so.
[00:01] <Hibby> I don't keep a TV in the flat, so this is a novelty for me
[00:02] Upu (~Upu@ubn.upuaut.net) left irc:
[00:03] <LazyLeopard> Trouble with digital broadcasting is it works very well up until the point at which it can no longer decode enough to make any sense. Then it dies.
[00:03] <LazyLeopard> Sounds like you could do with some filtering in appropriate places...
[00:04] <LazyLeopard> Anyway...
[00:05] <LazyLeopard> I hope juxta&co's launch goes more smoothly than this morning's...
[00:05] <LazyLeopard> G'night.
[00:05] <Hibby> lol, it's a handy and a one night stay - just wanted to see if there's packet here
[00:05] <Hibby> night
[00:05] <Lunar_Lander> digital TV is funny as hell when it rains
[00:06] <Lunar_Lander> when the picture is only a mess of coloured squares
[00:06] <Lunar_Lander> and the sound is like a machine gun or so xD
[00:06] LazyLeopard (~irc-clien@chocky.demon.co.uk) left irc: Quit: Bye
[00:09] <NigeySWales> mm apple crumble and custard = lovely late night snack !
[00:09] <Lunar_Lander> yay
[00:10] <Lunar_Lander> hi NigeySWales btw :)
[00:10] <NigeySWales> hey Lunar_Lander !
[00:10] <Lunar_Lander> how's life?
[00:12] <NigeySWales> not to bad, cold though! :(
[00:12] <Lunar_Lander> yeah same here
[00:12] <Lunar_Lander> that is so crappy
[00:12] <NigeySWales> i'll have to send you some apple crumble, it'l be cooked in 15mins haha !
[00:12] <Lunar_Lander> at least i don't have to fear to infect a girl as I don't have one currently
[00:13] <Lunar_Lander> cool!
[00:13] <Lunar_Lander> :)
[00:13] <NigeySWales> juxta-chasecar kangaroos this time pls! lol
[00:13] <natrium42> yeah, give the public what it wants
[00:14] <NigeySWales> lol
[00:14] <Lunar_Lander> you see I really worried one afternoon about that
[00:14] <Lunar_Lander> what if you've got a girl and you share the bed and one of you has the cold
[00:15] <Lunar_Lander> it's pretty sure the other one gets it alos
[00:15] <Lunar_Lander> *also
[00:15] <NigeySWales> well, whenever my fiance has a cold, guaranteed i'll get it within a fortnight
[00:15] <Lunar_Lander> yes
[00:15] <NigeySWales> hi natrium42 btw :)
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[00:15] <NigeySWales> right brb dont want to burm my food!
[00:16] <Lunar_Lander> strangely when i walk round the house, the other family members won't get sick from mee
[00:16] <Lunar_Lander> -e
[00:16] <natrium42> ohai
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[00:18] <Lunar_Lander> I wonder if I should try to enter stealth mode to look into the kitchen once more xD
[00:21] <natrium42> is somebody making pie?
[00:21] <Darkside> hmm
[00:21] <Lunar_Lander> oh it always reminds me how Lady Gaga f**** it up
[00:22] <Lunar_Lander> "Loving you is Cherry Pie"
[00:22] vk5zsn-m (792d5d98@gateway/web/freenode/ip.121.45.93.152) joined #highaltitude.
[00:22] <Lunar_Lander> NO! Mrs. Germanotta, it is apple pie when it comes to love! learn your 2000's movies
[00:24] <griffonbot> @projecthorus: At launch site, beginning prep. #projecthorus #arhab [http://twitter.com/projecthorus/status/6140836504936449]
[00:24] <Lunar_Lander> nice
[00:30] <NigeySWales> lots of people there juxta
[00:30] <Lunar_Lander> you rescued the pie!!
[00:30] <Lunar_Lander> ;)
[00:30] <NigeySWales> i did its yummy lol !
[00:31] <Lunar_Lander> :) yay
[00:32] <NigeySWales> Webpage error details
[00:32] <NigeySWales> User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; Creative AutoUpdate v1.40.01)
[00:32] <NigeySWales> Timestamp: Sun, 21 Nov 2010 00:32:08 UTC
[00:32] <NigeySWales> Message: 'subhorizon_circle' is undefined
[00:32] <NigeySWales> Line: 800
[00:32] <NigeySWales> Char: 7
[00:32] <NigeySWales> Code: 0
[00:32] <NigeySWales> URI: http://spacenear.us/tracker/
[00:32] <NigeySWales> dammit sowwy
[00:33] <NigeySWales> forgot it pastes that user agent crap
[00:34] <Darkside> juxta isnthere
[00:34] <Darkside> hes gone to getthe gas
[00:34] <NigeySWales> hey DS :)
[00:34] <Darkside> we're attmptingtoworkouthow toassemble theballoon
[00:34] <Darkside> haha
[00:34] <Darkside> he isnotmallythere
[00:34] <NigeySWales> lol have fun :p
[00:34] <SpeedEvil> Good luck!
[00:35] <NigeySWales> hey speedy
[00:35] <SpeedEvil> hey
[00:35] <SpeedEvil> Welsh person.
[00:35] Action: SpeedEvil remembered!
[00:35] vk5zsn-qth (792d5d98@gateway/web/freenode/ip.121.45.93.152) joined #highaltitude.
[00:36] Action: SpeedEvil was just listening to one of the 'History of the world in 100 objects' on wales.
[00:36] <SpeedEvil> Well - a gold cape.
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[00:36] <NigeySWales> haha welsh person, ive been called worse :P
[00:36] <vk5zsn-qth> Darkside r u there?
[00:37] <NigeySWales> i won the ebay for the yaesu SpeedEvil !
[00:37] <SpeedEvil> Woo!
[00:37] <SpeedEvil> What did the damages end up as?
[00:37] <Lunar_Lander> LOL
[00:37] <NigeySWales> bout frikkin time..lol £106 this plus £10 delivery
[00:37] <SpeedEvil> That's not horribly terrible.
[00:37] <Lunar_Lander> I just recorded "The Core" from british TV
[00:37] <Lunar_Lander> via a online recording service
[00:37] <NigeySWales> better than the mad £160 the last 1 went for !
[00:38] <SpeedEvil> Don't watch it, your brain will implode Lunar_Lander.
[00:38] <Lunar_Lander> and you know what one of the preview pics is?
[00:38] <Lunar_Lander> I know I watched it with my ex already
[00:38] <NigeySWales> lol
[00:38] <NigeySWales> good film, made me scared of pidgeons though :|
[00:38] Action: SpeedEvil hasn't watched an actual film in ages.
[00:39] <Lunar_Lander> yeah
[00:39] <NigeySWales> snap, i dont get time lately :(
[00:39] <Lunar_Lander> but my point is
[00:39] <Lunar_Lander> one of the preview pics is a toothpaste commercial XD
[00:39] <SpeedEvil> :)
[00:39] <NigeySWales> lol
[00:39] <Lunar_Lander> oh man
[00:40] <Lunar_Lander> the list has
[00:40] <Lunar_Lander> "USWABC: Dirty Dancing II: Havana Nights"
[00:40] Action: Lunar_Lander goes throwing up
[00:40] <SpeedEvil> Trivia At almost exactly 9 minutes into the film, near the end of the "birds" scene, a trout is seen smashing into a window instead of a pigeon. This was a joke left in by the team that did the CG pigeons.
[00:40] <NigeySWales> haha
[00:40] <NigeySWales> a trout :O missed that, going to have to watch it tomorrow now just to spot it!
[00:41] <Lunar_Lander> xD
[00:41] <Lunar_Lander> btw that Computer guy
[00:41] <Lunar_Lander> what did he do by doing a "Core Purge"?
[00:41] <SpeedEvil> I've not actually see the film.
[00:41] <Lunar_Lander> is that even a real computer operation?
[00:41] <Lunar_Lander> ah ok
[00:42] <NigeySWales> core purge .. hmm... doesnt ring any bells
[00:42] <SpeedEvil> Core memory did exist.
[00:42] <SpeedEvil> And core purge could refer to blanking memory.
[00:42] <SpeedEvil> I've never heard the term though.
[00:42] <Lunar_Lander> ah ok
[00:42] <NigeySWales> hm yes, possibly
[00:43] <Lunar_Lander> well the FBI rings his door to get him for that Earth mission
[00:43] <Lunar_Lander> and he believes they blew his hacking ops
[00:43] <Lunar_Lander> so he stuffs his DVDs into the microwave and pulls a huge magnet over his HDDs
[00:43] <NigeySWales> itwas the cpr paddles that made me chuckle
[00:45] <Lunar_Lander> xD
[00:45] <Lunar_Lander> but
[00:45] <Lunar_Lander> The Core and maybe even Armageddon are brilliant
[00:45] <Lunar_Lander> if you pit them against an Ed Wood movie
[00:45] <Lunar_Lander> XD
[00:46] <NigeySWales> lol
[00:46] Action: fsphil is watching Predator 2
[00:46] <NigeySWales> top film!
[00:46] <Lunar_Lander> yay
[00:46] <fsphil> tell ya what, it's better than I remember it
[00:46] <Lunar_Lander> I mean man
[00:47] <NigeySWales> better than the latest 1, pile of rubbish imo
[00:47] <Lunar_Lander> a guy fighting for freeing Europe from the Nazis
[00:47] Action: SpeedEvil ponders films to rewatch.
[00:47] <Lunar_Lander> while wearing a bra under his combat suit
[00:47] <NigeySWales> lmao
[00:47] <fsphil> haven't seen it yet, though I've heard that too
[00:47] <Lunar_Lander> and silk panties!!!
[00:47] <NigeySWales> SpeedEvil, gone in 60 seconds, cant fault a bit of nicholas cage
[00:47] <NigeySWales> or face off
[00:48] <SpeedEvil> Entrapment.
[00:49] <NigeySWales> ok i cant remember the answer to his, but why the gloves when handling the balloon ?
[00:49] <NigeySWales> this*
[00:49] <Lunar_Lander> your skin is slightly acidic and contains sulphur
[00:49] <SpeedEvil> sharp snags on your hands?
[00:49] <SpeedEvil> or that
[00:49] <NigeySWales> ahhh thats the 1
[00:49] <SpeedEvil> Also oily
[00:49] <NigeySWales> SpeedEvil, entrapment, that the 1 with shaun connery and zeta jones ?
[00:50] <SpeedEvil> yes
[00:50] <NigeySWales> :D
[00:51] <Lunar_Lander> btw
[00:51] <Lunar_Lander> I'm downloading "Plan 9 from outer space" from that recording service atm
[00:51] <Lunar_Lander> xD
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[00:52] <SpeedEvil> It has a better plot than the Core.
[00:52] <Lunar_Lander> yeah
[00:52] <fsphil> the core has a plot?
[00:53] <NigeySWales> apparently
[00:54] <griffonbot> @projecthorus: Balloon being filled #arhab #projecthorus [http://twitter.com/projecthorus/status/6148374768128000]
[00:54] <Lunar_Lander> btw
[00:54] <Lunar_Lander> do you know the Scientific Ballooning Handbook by Morris?
[00:54] <juxta-chasecar_> ping natrium42
[00:55] <fsphil> video stream is up: http://www.ustream.tv/channel/darkside%27s-random-stuff
[00:56] <fsphil> that's a big balloon
[00:56] <vk5zsn-m> uxa
[00:57] <vk5zsn-m> juxta cant see car on chase trackrt?
[00:57] <Lunar_Lander> I was finally able to get it printed out (yes, all 480 pgs!) and have it bound
[00:57] <Lunar_Lander> http://img3.imageshack.us/img3/5599/picture84q.jpg
[00:57] <Darkside> vk5zsn-m: nahnot atthat point yet
[00:57] <NigeySWales> happy reading! :P
[00:58] <Lunar_Lander> xD yeah
[00:58] <Lunar_Lander> when I saw the size of these rings I thought
[00:58] <Lunar_Lander> oh shit!!!
[00:58] <Lunar_Lander> xD
[00:58] <vk5zsn-m> I am but cant see my truck?
[00:58] <griffonbot> @projecthorus: Balloon partially inflated. See http://spacenear.us/tracker for tracking and video. #projecthorus #arhab [http://twitter.com/projecthorus/status/6149475902947328]
[00:59] <Lunar_Lander> btw it is good that you have such a big garage
[00:59] <Darkside> yepp
[00:59] <Darkside> means we dont loose theballoon if it slipsoff
[00:59] <Lunar_Lander> yeah
[01:01] <NigeySWales> wish ustream would localise their adverts a bit, i cannot read chinese!
[01:01] <Darkside> lol
[01:01] <fsphil> there are ads? *g*
[01:02] <NigeySWales> :p
[01:03] <NigeySWales> what size balloon is that ?
[01:03] <juxta-chasecar_> hmm, tracker isnt working
[01:04] <fsphil> magic carpet ride
[01:04] <Darkside> natrium42:
[01:04] <NigeySWales> think its that javascript error thats messed the page up
[01:05] <Darkside> hmm'
[01:05] <Darkside> is it working now?
[01:05] <NigeySWales> nope just bitching sbout subhorizon_circle undefined
[01:05] <NigeySWales> about*
[01:05] <Darkside> crap
[01:06] <Darkside> hmm
[01:06] <Darkside> i dont see that
[01:06] <Darkside> where are yougettingteh error?
[01:06] <fsphil> no errors here
[01:07] <fsphil> although only got receivers on the map, nothing else
[01:07] <NigeySWales> weird, maybe i.e being temprimental then, error is on line 800 char 7
[01:07] <Darkside> im seeing positions being updated
[01:07] <Darkside> butitsnot showingonthemap
[01:07] <NigeySWales> snap
[01:08] <fsphil> yea
[01:08] <NigeySWales> 68 new positions
[01:08] <Darkside> crap
[01:08] <Darkside> natrium42: natrium42
[01:08] <Darkside> PING
[01:08] <Lunar_Lander> ROFL
[01:08] Action: NigeySWales throws cold apple crumble at natrium42
[01:08] <Lunar_Lander> the Plan 9 movie just arrived
[01:08] <Lunar_Lander> two airline pilots encounter a flying saucer
[01:08] <fsphil> there's no telemetry showing up here: http://www.robertharrison.org/listen/view.php
[01:09] <Lunar_Lander> and ROFL at the cheap cockpit design!
[01:09] <fsphil> are you sure it's uploading fine?
[01:09] <Darkside> fsphil: yes it is
[01:09] <NigeySWales> sure it's not 1 of the habs? lol
[01:09] <Darkside> afaik
[01:09] <Darkside> im seeing positions updating
[01:09] <Darkside> but not on the map
[01:09] <NigeySWales> hm if the trackers broke, maybe rocketboys balloon did go up after all .. lol
[01:09] <fsphil> ah, see some new strings now
[01:10] <Darkside> 108 new positiona
[01:10] <Darkside> argh
[01:10] <fsphil> the twitter feed has disappeared
[01:11] <Darkside> ghmmmaybe natrium42 is workingon8it
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[01:16] <fsphil> cheating: http://www.robertharrison.org/tracker/
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[01:17] <juxta-chasecar_> ok, fixed the tracker
[01:17] <fsphil> who's sitting with the balloon?
[01:18] <fsphil> yea working well now
[01:18] <Lunar_Lander> a poor guy who has to sit there cause he lost the straw drawing
[01:18] <Lunar_Lander> xD
[01:20] <NigeySWales> that is gonna fit through the door right? :P
[01:21] <fsphil> there you go lol
[01:21] <SpeedEvil> iOpen the pod bay doors HAL.
[01:21] <SpeedEvil> Looking good.
[01:21] <fsphil> sunlights .. they stole it from us!
[01:21] <NigeySWales> yes! we want it back!
[01:21] <NigeySWales> or we'll send you SNOW!!!
[01:23] <Lunar_Lander> lol
[01:23] <Lunar_Lander> "A Ray of sunlight is made of many atoms!"
[01:23] <Lunar_Lander> yeah right Ed Wood...
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[01:24] <fsphil> mm.. flashbacks to The Prisoner
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[01:33] <NigeySWales> looks a lovely day down under
[01:33] <Darkside> yup
[01:35] <Lunar_Lander> yeah
[01:35] <Lunar_Lander> yay the film is over
[01:35] <Lunar_Lander> UFO exploded
[01:35] <griffonbot> @projecthorus: Not far from launch! #projecthorus #arhab [http://twitter.com/projecthorus/status/6158728881508352]
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[01:37] <fsphil> top spot to launch from
[01:38] <SpeedEvil> yeah.
[01:38] <NigeySWales> yeah looks like a nice beauty spot! .. very jealous :(
[01:38] <Lunar_Lander> what is the little cylindrical thing?
[01:38] <NigeySWales> water storage maybe? .. pass
[01:39] <juxta-chasecar_> about to launch guys
[01:39] <fsphil> this is a much better camera
[01:39] <NigeySWales> good luck juxta-chasecar_ Darkside !
[01:39] <Lunar_Lander> yeah good luck!
[01:41] <fsphil> streams gone
[01:41] <NigeySWales> guess the wireless dropped
[01:41] <Lunar_Lander> ey!
[01:42] <Lunar_Lander> *whistling*
[01:42] <Lunar_Lander> XD
[01:42] <fsphil> heh, you can see the cylindrical thingy on the satellite map
[01:43] <Lunar_Lander> yeah
[01:44] <Darkside> l oy
[01:46] <Darkside> ok
[01:47] <Lunar_Lander> do we have final count?
[01:47] <fsphil> and away she goes
[01:47] <Lunar_Lander> I see we have T+ already :)
[01:47] <NigeySWales> and shes off yey
[01:48] <Lunar_Lander> really off xD
[01:48] <griffonbot> @projecthorus: Launch! #projecthorus #arhab [http://twitter.com/projecthorus/status/6162012967018496]
[01:50] <Darkside> ok
[01:50] <Lunar_Lander> acceleration is good
[01:50] <Lunar_Lander> ascent rate is good
[01:50] <Lunar_Lander> +4
[01:50] <griffonbot> @projecthorus: Follow the progress of Horus 11 at http://spacenear.us/tracker #projecthorus #arhab [http://twitter.com/projecthorus/status/6162500672290816]
[01:50] <Lunar_Lander> southeast
[01:52] <Darkside> heh
[01:53] <SpeedEvil> :)
[01:54] <Lunar_Lander> running predictor
[01:54] <SpeedEvil> Convenient landing
[01:54] <fsphil> very
[01:55] <Lunar_Lander> yeah
[01:55] <fsphil> you can beat it ... major bonus points if you catch it ;-)
[01:55] <Lunar_Lander> NE of Strathalbyn
[01:55] <Darkside> yup
[01:55] <Darkside> lol
[01:55] <Lunar_Lander> well recently I would have had a NOGO day
[01:56] <Lunar_Lander> because my balloon would have landed between Rostock and the Danish Island of Lolland
[01:56] <Lunar_Lander> right into the East Sea
[01:56] <Lunar_Lander> xD
[01:58] <NigeySWales> crikey, take ure swimming trunks lol
[01:59] <Lunar_Lander> xD
[01:59] <SpeedEvil> I guess the East sea would be chilly this time of year.
[01:59] <Lunar_Lander> true
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[02:00] <Lunar_Lander> 3699m and we passed 0°C
[02:01] <griffonbot> @projecthorus: Just saw a jumbo jet fly right through the flight path, about 500m below the balloon. #projecthorus #arhab [http://twitter.com/projecthorus/status/6165147261341696]
[02:01] <NigeySWales> getting nippy
[02:01] <Lunar_Lander> yes
[02:01] <NigeySWales> jumbo jet :o
[02:01] <Lunar_Lander> balloon starts to deviate from the prediction
[02:01] <Darkside> yep
[02:02] <Darkside> the jet flewright past
[02:02] <Darkside> i lol's
[02:02] <Lunar_Lander> xD
[02:02] <NigeySWales> dam!
[02:02] <Lunar_Lander> Darkside can you give a little info on the system? e.g. balloon type, payload weight and so on?
[02:02] <Lunar_Lander> or will you paste it on the website tomorrow or so?
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[02:03] <Darkside> 1kg balloon
[02:03] <Lunar_Lander> ah
[02:04] <Darkside> 900g payload
[02:04] <Darkside> 300 baud RTTY telemetry
[02:04] <NigeySWales> getting back on course with the prediction now, prolly that jumbo ;)
[02:06] <Lunar_Lander> how much helium did you fill
[02:06] <Lunar_Lander> approximately?
[02:11] <Lunar_Lander> blue car moves
[02:12] <Darkside> uhmm
[02:12] <Darkside> a full tank
[02:12] <Darkside> dunno what that is
[02:12] <Lunar_Lander> ah
[02:12] <Lunar_Lander> well a gas dealer once told me that one tank is about 10 m^3
[02:13] <Darkside> yeah
[02:13] <Darkside> probably that
[02:13] <Darkside> we stopped a bit early
[02:13] <vk5zsn-m> r u mobile yet mark?
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[02:17] <juxta-chasecar_> the tanks we are using have 3.4 m^3
[02:17] <Darkside> ok
[02:18] <Lunar_Lander> thanks
[02:23] <Lunar_Lander> so we can expect some 28.5 km
[02:23] <Lunar_Lander> :)
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[02:31] <Lunar_Lander> wb fsphil
[02:31] <fsphil> thanks Lunar_Lander, having router troubles
[02:31] chilla (3cf049c6@gateway/web/freenode/ip.60.240.73.198) joined #highaltitude.
[02:32] <Lunar_Lander> yeah I know that
[02:32] DagoRed (~dago@ics129-198.icsincorporated.com) joined #highaltitude.
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[02:34] <vk5zsn-qth> Terry I missed your call
[02:36] <Darkside> he's in a car
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[02:41] <Lunar_Lander2> entered stratosphere
[02:41] <Lunar_Lander2> temperature did rise a little
[02:42] <SpeedEvil> Is that ver sharp n-s jag where the plane bounced off it?
[02:43] <NigeySWales> think the plane was the curve to the left of the jag
[02:43] <SpeedEvil> ah
[02:44] <NigeySWales> -39 .. ouch, duvet time!
[02:44] <SpeedEvil> Distributed coolness.
[02:44] <juxta-chasecar_> im eating lunch
[02:44] <juxta-chasecar_> yummy
[02:44] <SpeedEvil> Makes the 7C it's here seem balmy.
[02:44] <NigeySWales> kangaroo? :P
[02:45] <juxta-chasecar_> hehe
[02:45] <NigeySWales> SpeedEvil, can say that again!
[02:45] <fsphil> horse??
[02:45] <NigeySWales> lol
[02:45] <NigeySWales> wb phil
[02:45] <fsphil> thanks . . amazed I'm still awake
[02:45] <fsphil> impending router reboot
[02:45] <NigeySWales> giving you grief is it ? :(
[02:46] <Lunar_Lander2> yeah I'm pissed at router reboot here
[02:46] <Lunar_Lander2> consider a download of 1.1 GB
[02:46] <Lunar_Lander2> and that download dies at 1.0 GB
[02:46] <fsphil> I tried to be fancy with some scripts but I just made things break :)
[02:46] <NigeySWales> lol eek
[02:47] <Lunar_Lander2> consider my situation and estimate the level to which I am pissed
[02:47] <NigeySWales> Lunar_Lander2, that sux!
[02:47] <Lunar_Lander2> yes
[02:47] <Lunar_Lander2> btw the toothpaste in the commercial break of The Core is "Aquafresh"
[02:47] <Lunar_Lander2> is that good?
[02:48] <fsphil> does the job
[02:48] <NigeySWales> overpriced branded crap .. colgate is much nicer tasting..lol
[02:48] <fsphil> what channel are you watching Lunar_Lander2?
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[02:49] <NigeySWales> bbs switching to mobile, hopefully the tracker page will work with android today!
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[02:50] <Lunar_Lander2> that recording service got it from "FILM4"
[02:51] <fsphil> with a decent enough dish you should be able to get that directly
[02:51] <Lunar_Lander2> yea
[02:51] <Lunar_Lander2> ASTRA 2?
[02:51] <fsphil> indeed
[02:51] <fsphil> though it's spot beamed to the uk, so a bit weaker than other astra 2 channels
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[02:53] <Lunar_Lander2> yes
[02:53] JHH (dcfda321@gateway/web/freenode/ip.220.253.163.33) left irc: Ping timeout: 265 seconds
[02:55] <Lunar_Lander2> 50 km/h
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[02:57] <Lunar_Lander2> 1/10th atmosphere
[03:04] <Lunar_Lander2> \nick Lunar_Lander
[03:04] Nick change: Lunar_Lander2 -> Lunar_Lander
[03:04] <Lunar_Lander> ah
[03:04] <Lunar_Lander> this way
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[03:11] <NigeyMoby> Boo
[03:11] <Lunar_Lander> xD
[03:11] <juxta-chasecar_> we're having a rest in a pine forrest
[03:11] <juxta-chasecar_> we have the yagi propped up with some sticks to decode the signal
[03:12] <juxta-chasecar_> Darkside, how is everything at the launch site?
[03:13] <NigeyMoby> Hm android not liking the tracker page
[03:14] <juxta-chasecar_> probably has too many points
[03:15] <Lunar_Lander> the tracker page says since about 1 hr that the blue car is cruising at 74 kph
[03:15] <NigeyMoby> Could be
[03:16] <Darkside> juxta-chasecar_: all good
[03:16] <Darkside> where are you?
[03:16] <Darkside> oh lol
[03:16] <Darkside> at your property?
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[03:18] <juxta-chasecar_> yeah :)
[03:18] <Darkside> hmm
[03:18] <Darkside> hmm forgot about lunch
[03:18] <Darkside> ah well
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[03:20] <vk5zsn-qth> Who is at Horus control today?
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[03:24] <juxta-chasecar_> we have pizza Darkside
[03:25] <juxta-chasecar_> will give you some at landing
[03:25] <vk5zsn-qth> poor Mark
[03:25] <vk5zsn-qth> Days like today a pool would be good!
[03:26] <Lunar_Lander> yeah
[03:26] <Lunar_Lander> what do you put on australian pizza?
[03:28] <vk5zsn-qth> Is VK3JED on here?
[03:31] <Darkside> juxta-chasecar_: cool
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[03:33] <Lunar_Lander> it is astonishing how the balloon did fly a circle at the turning point
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[03:34] <SpeedEvil> The predictor is insanely awesome.
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[03:35] <SpeedEvil> the landing spot has moved what - 10km?
[03:35] <SpeedEvil> From launch.
[03:35] <NigeyMoby> :o
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[03:43] <vk5zsn-qth> Looking for VK3JED
[03:43] <Lunar_Lander> we are approaching the burst region
[03:44] <juxta-chasecar_> should be 32km or so
[03:44] <juxta-chasecar_> maybe a little less
[03:44] <juxta-chasecar_> maybe a little more
[03:44] <juxta-chasecar_> :)
[03:45] <NigeyMoby> Wats alt now?
[03:45] <Lunar_Lander> 30040
[03:45] <Lunar_Lander> 30101
[03:45] <NigeyMoby> Sweet
[03:46] <Lunar_Lander> we have passed the 100,000 ft level (30,480m)
[03:47] <griffonbot> @projecthorus: A few minutes away from predicted burst! #projecthorus #arhab [http://twitter.com/projecthorus/status/6192006481059840]
[03:48] <NigeyMoby> Awsome
[03:48] <Lunar_Lander> 31 km
[03:49] <Darkside> we're expecting 33km burst
[03:50] <Lunar_Lander> yes
[03:50] <Lunar_Lander> horizontal speed is also high
[03:50] <Lunar_Lander> 55 kph
[03:50] <Darkside> yep birst not far away
[03:50] <NigeyMoby> It's gonna be another super balloon
[03:52] <Lunar_Lander> 32022
[03:52] <Lunar_Lander> +3.9
[03:52] <Lunar_Lander> 32073
[03:53] <NigeyMoby> Ok I give up with the tracker page on android
[03:54] <Lunar_Lander> 32512
[03:54] <Lunar_Lander> 32645
[03:55] <NigeyMoby> I bet 2 kangaroos burst is 33.5
[03:55] <Lunar_Lander> 32836
[03:56] <Lunar_Lander> 33018
[03:56] <Lunar_Lander> 330470
[03:56] <Lunar_Lander> 33070
[03:56] <Lunar_Lander> 33188
[03:57] <Lunar_Lander> 33204
[03:57] <Lunar_Lander> 33251
[03:57] <Lunar_Lander> 33286
[03:57] <NigeyMoby> Oo I could b onto a winner
[03:57] <Lunar_Lander> 33332
[03:57] <Lunar_Lander> 33378
[03:57] <Lunar_Lander> 33414
[03:58] <Lunar_Lander> 33456
[03:58] <Lunar_Lander> 33486
[03:58] <NigeyMoby> :o
[03:58] <Lunar_Lander> 33529
[03:58] <Lunar_Lander> 33572
[03:58] <Lunar_Lander> 64 kph!
[03:58] <Lunar_Lander> 33605
[03:58] <NigeyMoby> Dam no kangaroos
[03:59] <Lunar_Lander> 33649
[03:59] <Lunar_Lander> 33699
[03:59] <Lunar_Lander> 33633
[03:59] <Lunar_Lander> we have termination
[03:59] <NigeyMoby> Oo 33.7
[04:00] <Lunar_Lander> sropping fast as expected
[04:00] <Lunar_Lander> -50 m/s
[04:00] <Lunar_Lander> dropping
[04:00] <NigeyMoby> Well done guys
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[04:01] <Lunar_Lander> 110,564 ft
[04:01] <paul___> Greetings..
[04:01] <Lunar_Lander> hello
[04:02] <paul___> Just trying to decode telemetry with fldigi
[04:02] <NigeyMoby> Hi Paul
[04:03] <paul___> the transmissions appear to be narrower in bandwidth than what the website says.
[04:03] <paul___> I'm seeing a deviation of 300 Hz
[04:03] <Darkside> yup
[04:03] <Darkside> temp shift
[04:03] <paul___> Auto conf sets up 400 Hz
[04:04] <Darkside> yes thastd wwhat it does at room temp
[04:04] <paul___> Where do I adjust thts?
[04:04] <Darkside> modems -> RTTY
[04:04] <Darkside> somewhereinthere
[04:04] <Darkside> iin a car atm
[04:04] <Darkside> cant talkyouthroughit rightnow
[04:05] <paul___> Ok.. found it
[04:06] <Lunar_Lander> cool FILM4 shows Star Trek II tomorrow
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[04:11] <Darkside> woo
[04:11] <Lunar_Lander> do you think it will hit the predicted landing site?
[04:12] <SpeedEvil> GEnerally it gets pretty close.
[04:13] <Lunar_Lander> I see the blue car in macclesfield already
[04:14] <paul___> Woot. Getting telemetry
[04:14] <SpeedEvil> Zoom in. (a lot)
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[04:15] <Darkside> imin theblue car
[04:15] <Darkside> lol
[04:15] <paul___> USB for the win
[04:15] <Darkside> we're getting repeaters sorted out thenmovingoff
[04:15] <Darkside> lol paul___
[04:16] <SpeedEvil> Looking good!
[04:16] <Lunar_Lander> what size is your chute?
[04:17] <Lunar_Lander> Darkside
[04:17] <SpeedEvil> It should slow down considerably when it gets into the thick atmosphere
[04:17] <Lunar_Lander> that is true
[04:17] <SpeedEvil> maybe 5-7m/s impact
[04:17] <Lunar_Lander> it is almost exponentially
[04:17] <SpeedEvil> If that
[04:18] <Lunar_Lander> yeah
[04:18] <Lunar_Lander> if I had a chute size, that would be great
[04:20] <Darkside> 36"
[04:20] <Darkside> about
[04:20] <Lunar_Lander> ah, thanks :)
[04:23] <Lunar_Lander> it's a little faster than the calculation of mine
[04:23] <Lunar_Lander> but I use the density from the 1976 US Standard atmosphere
[04:23] <Lunar_Lander> probably the density here is a little less
[04:24] <Darkside> yes
[04:24] <Darkside> australians are less dense than americans
[04:24] <Lunar_Lander> lol
[04:25] <Lunar_Lander> and lol it jumped to ZA and back
[04:27] <Darkside> yup lol
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[04:31] <Darkside> woo cows
[04:32] <griffonbot> @projecthorus: Sitting in the predicted landing area waiting for our payload! #arhab #projecthorus [http://twitter.com/projecthorus/status/6203148330868736]
[04:32] <SpeedEvil> Hmm.
[04:32] <SpeedEvil> In australia, cows go woo?
[04:32] <SpeedEvil> I suppose that makes sense, being upside-down.
[04:33] <Darkside> lol
[04:33] <Lunar_Lander> xD
[04:33] <paul___> Still getting telemetry in Mawson Lakes :-)
[04:33] <Darkside> nice
[04:36] <paul___> Is there some trick to seeing it on the tracking site? (Don't let medistract you guys).
[04:36] <SpeedEvil> http://spacenear.us/tracker/
[04:36] <SpeedEvil> And it should just pop up.
[04:38] <Darkside> onlinepredictioniswrong
[04:38] <Darkside> argh]
[04:38] <Darkside> its using old wind data
[04:39] <SpeedEvil> yeah
[04:39] <paul___> Hmm.. I haven't poped up.
[04:39] <SpeedEvil> paul___: odd - try another browser?
[04:39] <paul___> vk5zm's coming back :-)
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[04:40] <vk5zsn-m> come on Mat u can do it
[04:41] <Darkside> lol
[04:41] <vk5zsn-m> fpaw is tha u/
[04:41] <Lunar_Lander> 2 km left
[04:41] <paul___> Getting noisier.. about to loose tele I think
[04:42] <paul___> Lost tracking here.
[04:43] <Lunar_Lander> it turned into the balloon symbol again
[04:43] <Lunar_Lander> a parachute again
[04:43] <Darkside> yep lol
[04:43] <Darkside> vide3o shouldbeon
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[04:44] <paul___> SpeedEvil: I'm located at 0,0 lat long.
[04:44] <paul___> Need to fix that foe next time.
[04:44] <Darkside> we arent gonna seethelanging
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[04:44] <SpeedEvil> It's coming for you!
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[04:46] <SpeedEvil> Woo!
[04:48] <Lunar_Lander> we have touchdown I think
[04:48] <paul___> Nice landing spot (according to google maps)
[04:48] <SpeedEvil> And I guess it's landed.
[04:49] <iihy> can see it in the padock
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[04:52] <SpeedEvil> Nice and warm too.
[04:53] <paul___> What repeaters were being carried this time?
[04:54] <Lunar_Lander> OK people, it is 5 minutes to 6 am here and I would like to thank you all!
[04:54] <Lunar_Lander> and congratulations to the Horus team
[04:55] <iihy> woo!
[04:55] <Lunar_Lander> see you!
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[04:57] <paul___> The signs of the 'lat' and 'long' in dl-fldigi are the reverse of what Google map reports.
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[05:06] <griffonbot> @projecthorus: Landed and Recovered! #projecthorus #arhab [http://twitter.com/projecthorus/status/6211729482579970]
[05:06] <SpeedEvil> :)
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[05:14] <griffonbot> @projecthorus: Heading back to launch site for a much needed beer #projecthorus #arhab [http://twitter.com/projecthorus/status/6213817268703232]
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[05:51] <griffonbot> @LVL1WhiteStar: Wow what a great party, much science fun, awesome music by a few of @applesinstereo, raised over $700 in cash! Thanks to all #arhab #HAB [http://twitter.com/LVL1WhiteStar/status/6223074819055616]
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[08:09] <jcoxon> morning
[08:15] m1x10 (m1x10@ppp089210074211.dsl.hol.gr) joined #highaltitude.
[08:33] Action: jcoxon is writing QSL cards
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[08:42] <m1x10> hi jcoxon
[08:42] <m1x10> for what use the cards?
[08:43] <jcoxon> for people who tracked my last flight
[08:43] <jcoxon> to say thanks
[08:43] <m1x10> ah
[08:43] <m1x10> thats nice
[08:44] <m1x10> you can attach a hab picture to those cards to make it cooler :)
[08:46] <jcoxon> thats the background
[08:46] <m1x10> :) :)
[08:47] <m1x10> I have sent a mail to seeedstudio to ask whether the gps kit comes soldered or not
[08:47] <jcoxon> gpsbee?
[08:47] <m1x10> yes
[08:47] <jcoxon> i assume it does
[08:47] <m1x10> we'll see
[08:48] <jcoxon> indeed
[08:48] <m1x10> wanna see the first revision on my pcv?
[08:48] <m1x10> pcb*
[08:48] <jcoxon> sure
[08:49] <m1x10> http://imagebin.org/124185, http://imagebin.org/124186
[08:50] <jcoxon> really nice
[08:50] <m1x10> thank you
[08:50] <m1x10> btw if you find something not good u can tell me
[08:50] <m1x10> cause I plan to make another more final thing
[08:51] <m1x10> thats just a start
[08:55] <jcoxon> qsl cards done, just need to post them
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[09:15] <Darkside> urgh
[09:15] <Darkside> tired
[09:17] <jcoxon> good launch though
[09:17] <jcoxon> what was the aim?
[09:18] <Darkside> art project
[09:19] <jcoxon> cool
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[09:28] <juxta> heya jcoxon
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[09:32] <NigeyMoby> Moo
[09:33] <NigeyMoby> Congrats darkside, juxta.
[09:33] <juxta> thanks NigeyMoby
[09:33] <juxta> :)
[09:35] <NigeyMoby> How was the landing compared to the predictor?
[09:35] <juxta> the online predictor wasn't running the latest dataset, so that was a little off
[09:35] <juxta> but our chase car predictions were accurate within a few hundred m
[09:35] <juxta> sadly it was a bit hilly and few roads so we didnt film it landing
[09:36] <NigeyMoby> That's pretty good
[09:36] <juxta> but we were only a couple of hundred meters away
[09:37] <NigeyMoby> Ouch hills suck but few hundred meters ain't to bad
[09:37] <juxta> it all went very smoothly
[09:37] <juxta> awesome video too
[09:38] <NigeyMoby> Excellent work, all of you
[09:39] <NigeyMoby> Mine will likely land up a tree or something lol
[09:39] <juxta> this one landed in powerlines
[09:40] <NigeyMoby> Oh heck
[09:41] <NigeyMoby> Morning jcoxon didn't see you there lol
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[10:08] <fsphil> morning all, congrats juxta and co :) I didn't stay up to see the landing
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[10:22] <juxta> hi fsphil
[10:22] <juxta> went without any hiccups :)
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[10:28] <fsphil> nice altitude too!
[10:28] <fsphil> ping paul___
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[10:36] <juxta> fsphil, here's a resized frame from the video, i'm just chopping a few bits to put online: www.bogaurd.net/hermes.jpg
[10:38] <Randomskk> haha, that's awesome
[10:38] <Randomskk> any reason why?
[10:38] <juxta> it was a project for an artist from Perth
[10:38] <Randomskk> fair enough
[10:38] <Randomskk> is that plastic foam?
[10:39] <juxta> a high density polystyrene
[10:39] <juxta> he cut it on a 3d autorouter
[10:39] <Randomskk> sweet
[10:39] <Randomskk> hehe I like to imagine it could be any size I like, given how hard it is to scale it against the background
[10:40] <juxta> hehe
[10:40] <juxta> it's 15cm or so tall in reality
[10:40] <Randomskk> hehe aww
[10:40] <Randomskk> it looks like it could be bigger irl
[10:41] <juxta> about to upload the video of balloon burst, just need to work out how to use this editor ;p
[10:46] <fsphil> juxta, that's brilliant
[10:47] <fsphil> how smooth is the video? some I've seen would make you dizzy
[10:48] <fsphil> btw did you ever get the repeater recording online?
[10:49] <juxta> yeah we had some snippets online fsphil, i have the full thing too, but i didn't put it up
[10:49] <juxta> if you like I can put it up shortly
[10:49] <juxta> will let this youtube upload finish :)
[10:49] <juxta> the video is quite watchable fsphil
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[11:25] <juxta> hurrahm youtube finished processing
[11:25] <juxta> http://www.youtube.com/watch?v=ly_qZ0449Q4
[11:29] <fsphil> smoooth
[11:30] <fsphil> quality is amazing
[11:31] <fsphil> is that the hero pro hd camera?
[11:31] <juxta> yeah
[11:32] <fsphil> did the poor little guy survive the landing?
[11:32] <juxta> yep, no damage :)
[11:33] <juxta> only thing that was ruined was my shoes from spikey grass seeds, there are thousands suck in them
[11:33] <juxta> i'm off for a walk and then to bed I think, night all!
[11:33] <Darkside> ok
[11:34] <fsphil> night juxta !
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[13:12] <Laurenceb> hi
[13:12] <Randomskk> yo
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[13:13] <Laurenceb> ive been looking more closely at noise from atlas data
[13:14] <Laurenceb> turns out theres way too much :(
[13:14] <Randomskk> :(
[13:14] <Laurenceb> i redid the cc1020 sim code and turns out i screwed it up before, noise figure from the datasheet specs is about 11dB
[13:15] <Laurenceb> still, my observed SNR from the discriminator output is about 6dB, and the discriminator has 100hz bandwidth
[13:15] <Laurenceb> http://www.afar.net/rf-link-budget-calculator/
[13:15] <Laurenceb> if i put the numbers into that and work out the thermal noise floor im still missing 20dB
[13:16] <Laurenceb> i think part of the loss is from the yagi being pointed in the wrong direction - i was just going off the tracotron, and turns out it was pointed off by 30degrees
[13:16] <Randomskk> oops
[13:16] <Laurenceb> but thats only 3dB
[13:16] <Laurenceb> 20-11-3=6
[13:17] <Laurenceb> so this is interesting - http://books.google.com/books?id=4LtmjGNwOPIC&pg=PA121
[13:18] <Laurenceb> looks like 1dB attenuation from air/cloud over the 280km range, but most interestingly line of sight was close to the horizon over central cam
[13:18] <Laurenceb> read pages 149 +
[13:19] <Laurenceb> i get at least 5dB loss from ground reflection multipath
[13:19] <Laurenceb> turns out CUED rooftop is about the worst place to put an antenni and still have line of sight
[13:20] <Randomskk> hah really? due to the particular height or what?
[13:20] <Laurenceb> mainly due to the low elevation angle
[13:20] <Randomskk> compared to standing around on the ground, though?
[13:20] <Laurenceb> and fact looking east your going over the city center
[13:20] <Laurenceb> ~5dB compared to standing on grass
[13:21] <Laurenceb> or on a non built up hill
[13:22] <Laurenceb> the main problem seems to be CUED isnt any higher than the other tallish building around - if you were on the top of a taller building id be good
[13:23] <Laurenceb> *it would
[13:23] <SpeedEvil> Or in a hot-air balloon.
[13:23] <Laurenceb> i think... all those models get complex..
[13:24] <Randomskk> so I can now buy the cheapest stm32 for about a pence less than the cheapest ATmega
[13:24] <Randomskk> very torn for which to use on my motor controller
[13:25] <SpeedEvil> Laurenceb: probably the next sane step is to hook the ant to a known reciever, and switch between
[13:25] <SpeedEvil> Laurenceb: also - adding lots of ferrity stuff to teh USB cable
[13:25] <SpeedEvil> maybe even isolating USB
[13:25] <Laurenceb> looks like the usb wasnt interfering much
[13:25] <Laurenceb> - i have some big ferrites on it
[13:26] <SpeedEvil> http://www.analog.com/en/interface/digital-isolators/adum3160/products/product.html
[13:26] <SpeedEvil> ah
[13:26] <Laurenceb> there is some weird structure to the backgound noise
[13:26] <Laurenceb> im wondering if its rfi on a nearby frequency thats leaking through the dsp
[13:26] <SpeedEvil> what happens if you stick it in a well-shielded box?
[13:26] <Laurenceb> i see the usb then
[13:26] <SpeedEvil> With a tiny feedthrough of a known signal
[13:26] <Laurenceb> but its weak
[13:27] <Laurenceb> as if the dsp filtering isnt perfect, anything in the 150khz bandwidth of the analogue front end might leak through into the output
[13:28] <Laurenceb> might explain some of the structure
[13:28] <SpeedEvil> What's your sampling bandwidth again?
[13:28] <Laurenceb> http://i.imgur.com/1Myln.png
[13:28] <Laurenceb> 9.6khz
[13:28] <Laurenceb> you can see the banding int he noise
[13:28] <SpeedEvil> AGC bouncing?
[13:28] <Laurenceb> i count at least 10 bands
[13:29] Action: SpeedEvil ponders
[13:29] <SpeedEvil> Oh - horizontal
[13:29] <SpeedEvil> I'd missed those
[13:29] <SpeedEvil> They look suspiciously regularly spaced.
[13:29] <Laurenceb> yeah, the vertical is at least partly due to me fiddling with that antenna
[13:30] <Laurenceb> but the AGC works of the whole 160khz bandwidth
[13:30] <SpeedEvil> Umm...
[13:30] Action: SpeedEvil ponders.
[13:30] <Laurenceb> so the vertical structure suggests strong out of band interference
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[13:30] <SpeedEvil> Is there a way to assume you're oversampling?
[13:31] <SpeedEvil> Hang on.
[13:31] <Laurenceb> but its not enough to saturate the adc, so thats not too bad
[13:31] <SpeedEvil> Those lines are perfectly horizontal
[13:31] <Laurenceb> yes
[13:31] <SpeedEvil> That means it's locked to the internal clock doesn't it - somehow
[13:31] <Laurenceb> oh... maybe something to do with the antenna setup?
[13:32] <Laurenceb> the lines arent there is i record the noise with no antenni
[13:32] <Laurenceb> *if
[13:32] <SpeedEvil> Oh.
[13:32] <SpeedEvil> External ant picking up internal noise somehow?
[13:32] <Laurenceb> hmm maybe yes
[13:32] <SpeedEvil> Due to poor matching
[13:32] <Laurenceb> oh i know - if the local oscillator is leaking out of the device somehow
[13:33] <Laurenceb> might just explain that
[13:33] <SpeedEvil> hmm.
[13:33] <SpeedEvil> I need to read up on the architecture of the chip
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[13:34] <Laurenceb> lna - iq mixer - analogue 160khz bandwidth low pass - vga - 3 bits adcs - dsp filtering to extract a slice of baseband bandwidth
[13:35] <SpeedEvil> Seperate I and Q channels after the mixer?
[13:35] <Laurenceb> come to think of it if that was local oscillator leakage, if see if without the antenni
[13:35] <Laurenceb> yes
[13:35] <SpeedEvil> If the input is well balanced, maybe not.
[13:36] <SpeedEvil> I'd wonder about a coax and a 50R chip resistor soldered across the end.
[13:36] <SpeedEvil> see if that picks up any noise
[13:36] <Laurenceb> guess it could be a local interference source with a stable clock
[13:36] <Laurenceb> so its horizontal
[13:37] <SpeedEvil> The DSP filtering is your filtering after you're grabbing I and Q samples through the debug?
[13:37] <SpeedEvil> If it's horizontal, it's not only stable, but locked to the sampling clock
[13:37] <SpeedEvil> Err
[13:37] <SpeedEvil> Or not
[13:37] <Laurenceb> no, before i grab theres a FIR filter
[13:37] <SpeedEvil> ah
[13:37] <Laurenceb> no
[13:38] <Laurenceb> befor ei sample its multiplied by a digital oscillator
[13:38] <Laurenceb> then a FIR lowpass
[13:38] <SpeedEvil> If it's horizontal, it just means no relative frequency drift.
[13:38] <Laurenceb> yep
[13:39] <Laurenceb> its perfectly feasible that anything with a xtal on it could be that stable
[13:39] <Laurenceb> probably what it is
[13:39] <SpeedEvil> can you wiggle the local clock?
[13:39] <SpeedEvil> somehow
[13:39] <Laurenceb> its done already
[13:39] <Laurenceb> there a jitter bit in one of the registers
[13:39] <SpeedEvil> See if it stays stationary or wiggles with it
[13:39] <Laurenceb> oh got you
[13:39] <Laurenceb> i dont have the antenni and im not in cambridge now
[13:40] <Laurenceb> and for some reason i cant replicate the effect
[13:40] <Laurenceb> suggesting one of those factors is responsible :P
[13:40] <SpeedEvil> Ah - ok.
[13:41] Action: Laurenceb has ordered lna samples from RFMD
[13:41] <Randomskk> apparently the cheap stm32s only clock up to 24mhz
[13:41] <Randomskk> but still, £1.53 for an stm32f100 in tqfp48
[13:41] <SpeedEvil> Hmm.
[13:41] <SpeedEvil> Randomskk: that's insane.
[13:41] <Randomskk> it still has a 4-output advanced timer, which would make bldc control a lot of fun
[13:42] <SpeedEvil> Randomskk: I diddn't know they were quite that cheap
[13:42] <Randomskk> SpeedEvil: that's actually a penny cheaper than the atmega44, the cheapest atmega I can find on farnell
[13:42] <SpeedEvil> Randomskk: I suppose you've seen the stm discovery?
[13:42] <Randomskk> I have
[13:42] <Randomskk> pretty neat, though I have my own stm32 breakouts
[13:42] <Randomskk> right now I'm very torn between using an avr or an stm32 for my motor controller
[13:43] <Randomskk> the only things really in the avr's favour is the icsp programming, the availability (thousands in stock at farnell, 'avaiting delivery' of the stm32) and the slightly easier development
[13:43] <SpeedEvil> Yeah - 24MHz of 32 bit >> atmega44
[13:43] <Randomskk> seriously
[13:43] <Randomskk> the peripherals are much better, too
[13:43] <SpeedEvil> Well - stm has serial bootloader
[13:44] <Randomskk> but requires messing with the boot0 pin to enable it at bootup
[13:44] <SpeedEvil> yes
[13:44] <Randomskk> which means putting some kind of switch or other connection on
[13:44] <Randomskk> not the end of the world, sure, but a little annoying compared to icsp
[13:44] <Randomskk> also the arm requires a much more complicated development environment
[13:44] <Randomskk> whereas gcc-avr 'just works'
[13:44] <SpeedEvil> Or just a little cable with rx/tx/gnd/vcc/jumpered to vcc
[13:44] <Randomskk> and has such complicated registers that you are probably better off using st's pretty awful C library
[13:45] <Randomskk> yea, I think I'd probably do that. but I'd rather be able to use the 6pin ftdi header
[13:45] <SpeedEvil> true
[13:45] <Randomskk> maybe connect reset to boot0 on that header
[13:45] <SpeedEvil> Laurenceb: Are you assuming possibly unwarranted things about the tx on the balloon WRT noise?
[13:45] <Randomskk> ah, but that won't work. as soon as it brings reset back up to boot it, it'l bring boot0 up too
[13:46] Action: SpeedEvil wonders about availability of the stm32w parts.
[13:46] <Randomskk> I'm tempted by the w parts for my main flight controller
[13:46] <SpeedEvil> They don't seem to be in stock anywhere though.
[13:46] <Randomskk> but all farnell has is kits/dev boards for them
[13:47] <Randomskk> which are very expensive
[13:47] <SpeedEvil> http://www.cutter.com.au/products.php?cat=Cree+XM-L - off-topic
[13:47] <SpeedEvil> 160lm/W@1W
[13:47] <SpeedEvil> Insane.
[13:47] <Randomskk> blimey
[13:47] <SpeedEvil> And 1000 lumens from a 5*5mm package.
[13:47] <SpeedEvil> These LEDs are getting quite bright.
[13:48] <SpeedEvil> Especially if that price of 4 quid each is accurate - though I suspec tthat's for pre-order only.
[13:49] <SpeedEvil> Ow - yes - 220 quid is a bit more than I'd want to spend on the stm32w demo.
[13:49] <Randomskk> mrhh
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[13:49] <Randomskk> I wonder how much fun stm32s are to program with registers instead of messing with their c lib
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[14:06] <Laurenceb> afk
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[14:12] <NigeyMoby> Brrr bloody cold out
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[14:27] <fsphil> nice and sunny here, still cold mind
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[15:03] <Laurenceb> SpeedEvil: i assumed the tx wasnt perfect
[15:03] <Laurenceb> 5dBmi from the balloon
[15:03] <Laurenceb> if there is such a unit - decibel milliwatts isotropic
[15:04] <SpeedEvil> If not, there should be!
[15:05] <Laurenceb> -never seen it in use thats all
[15:06] <SpeedEvil> I vaguel reall seeing dBi(mw)
[15:08] <Randomskk> shoudln't that be dimensionless? (take out the watts, in other words)?
[15:08] <Randomskk> seeing as it is a ratio and all that
[15:08] <Randomskk> dBmi would make sense, but dBi(mw) wouldn't
[15:08] <SpeedEvil> umm
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[15:09] <SpeedEvil> If you care about the actual emitted power, not the gain, it makes a difference.
[15:09] <SpeedEvil> For example, you might refer it to 1mW, or equally 1GW
[15:09] <Randomskk> indeed, but then all you need is m or G
[15:10] <SpeedEvil> Watts are not the only unit.
[15:10] <SpeedEvil> power unit
[15:10] <Randomskk> hm
[15:10] <Randomskk> true
[15:10] <Randomskk> yes, I guess if you were measuring absolute power relative to 1mW say, you could use dBmW
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[15:14] <Laurenceb> i want to make a quadrafillar helix ant for 434mhz
[15:15] <Randomskk> oh man I'm so so torn between this avr or this arm
[15:15] <Randomskk> the arm's tim1 gives me three phase pwm output from a single timer, 16 bit, it's so nice
[15:15] <Randomskk> the avr would mean having to do 8bit pwm and split it over two timers
[15:16] <Randomskk> the arm wins in every way except relative ease of programming and stock availability really
[15:16] <Randomskk> very annoyingly the arm's usart1 tx and rx is on the tim1 pwm output
[15:16] <Randomskk> so the mosfets would start conducting >_>
[15:17] <Randomskk> but so long as it wasn't connected to a power source when being programmed, that'd be fine
[15:17] <Randomskk> thing is I want to solder the battery wires on
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[15:27] <Laurenceb> annoying - if an avr would do the job, i dont see why not use an avr
[15:27] <Laurenceb> http://www.worldwidedx.com/cb-antennas/33077-1-4-wave-groundplane-end-fed-verticals-time-some-facts.html
[15:28] <Laurenceb> interesting stuff - looks like the ant designs we have been using are non ideal
[15:30] <fsphil> typical, I'm just making an hf vertical :p
[15:31] <Laurenceb> looks like the ant on atlas was probably giving us about 0 when it was close to the horizon
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[15:33] <Laurenceb> think ive finally got the link budget to make sense
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[15:33] <Laurenceb> the most suprising thing is 5dB loss due to multipath off buildings in central cambridge
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[15:35] <Laurenceb> with a 1dB NF LNA on the ant i would have got the SNR up to 16dB, considerably better than the ic7000 - tracotron was getting at the time
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[15:36] <Laurenceb> -me suspects the tracotron needs an lna on the ant
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[15:47] <Laurenceb> http://www.google.com/url?sa=t&source=web&cd=5&ved=0CDIQFjAE&url=http%3A%2F%2Fw2du.com%2Fr2ch22.pdf&rct=j&q=quadrifilar%20helix%20antenna&ei=wzzpTJndIoexhAeZ0swP&usg=AFQjCNHesJ2-Pk3pLTTITkCxga_L0HGpbQ&cad=rja
[15:47] <Laurenceb> oops huge url - see page 16
[15:51] <m1x10> Randomskk: what dimensions should I use for a via on the pcb?
[16:04] <Randomskk> maybe 12mil
[16:05] <Laurenceb> interesting - if you assume loss of 5dB from ground clutter - a quad helix on the balloon and a dual polarization yagi on the ground gives you improved performance
[16:06] <Laurenceb> as it ignores reflections
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[16:09] <fsphil> would a quad helix not have too narrow a beam to put on the payload?
[16:09] <NigeySWales> no more staying up till 5am for me!
[16:10] <fsphil> haha, know the feeling. and I only managed 3am
[16:10] <Laurenceb> looks like with the right design you can get a broader beam
[16:10] <NigeySWales> lol i was about fit for the sack at 4am but managed to stay up till 5ish
[16:10] <NigeySWales> hi laurenceb
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[16:30] <Laurenceb> can someone remind me how to install fldigi
[16:30] <Laurenceb> autoconfig or something?
[16:30] <DanielRichman> autoreconf -vfi && ./configure && make -j4 -l
[16:31] <Laurenceb> thanks
[16:31] <DanielRichman> http://ukhas.org.uk/projects:dl-fldigi:build-ubuntu
[16:31] <fsphil> add --disable-flarq to configure to speed it up a bit
[16:31] <Laurenceb> do i need to enable sndfile?
[16:31] <fsphil> yes
[16:32] <Laurenceb> whats the flag for that?
[16:32] <Laurenceb> -DSNDFILE ?
[16:32] <DanielRichman> if y ou have the libs installed it will find them
[16:32] <DanielRichman> that's ./configure 's job
[16:32] <DanielRichman> if you are on ubuntu and install the packages in that guide it Should Work
[16:32] <DanielRichman> those packages & those commands
[16:33] <NigeySWales> hi DanielRichman
[16:35] <DanielRichman> hi
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[18:28] <NigeySWales> wibbly wooo
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[18:35] <fsphil> still no word from rocketboy?
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[18:37] <NigeySWales> dont think he's been in since yesterday morning :|
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[19:01] <fsphil> man, just comparing some of the photos from the cirrus flight to the old google maps satellite photo of NI -- the forests have shrunk quite a bit!
[19:04] <LazyLeopard> Oh?
[19:04] <fsphil> was trying to match up features on the photo to figure out where the camera was pointing
[19:04] <fsphil> some of the patches of forest have completely gone
[19:06] <fsphil> although in saying that, we launched early in the year - the trees where probably still fairly bare
[19:06] <LazyLeopard> Hmmm...
[19:06] <fsphil> might not show up on the photo
[19:07] <LazyLeopard> Yeah, leafless trees are harder to spot.
[19:07] <LazyLeopard> Any update on yesterday's non-launch?
[19:08] <fsphil> nothing in the channel
[19:08] <fsphil> was kinda hoping they'd have another go today
[19:09] <LazyLeopard> Ho hum.
[19:10] <fsphil> a man of many words ;)
[19:10] <NigeySWales> hm this website is confusing me
[19:16] <Laurenceb> can anyone explain why i cant seem to compile and run a basic program?
[19:16] <Laurenceb> bash: ./dump: cannot execute binary file
[19:16] <Laurenceb> i tried chmod +x
[19:16] <fsphil> sure it's a binary file?
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[19:17] <Laurenceb> gcc -c -Wall dump.c -lsamplerate -o dump
[19:17] <Randomskk> gcc being weird
[19:18] <Randomskk> maybe permissions writing the file?
[19:18] <Laurenceb> the file is on the filesystem
[19:18] <Laurenceb> its not showing up with the executable icon in nautilus
[19:18] <Laurenceb> seems to just be behaving as a binary file
[19:19] <Laurenceb> chmod +x should fix that?
[19:22] <Laurenceb> hmm -Wall seemes to be what broke it.. odd
[19:22] <SpeedEvil> Unless it's on MyDocs - fat does not support the execute bit.
[19:23] <SpeedEvil> You need to mo
[19:23] <SpeedEvil> ...
[19:23] <SpeedEvil> mischan, nvm
[19:23] Action: SpeedEvil should wake up properly before starting to type
[19:23] <fsphil> consciousness is overrated
[19:24] <SpeedEvil> Wall leading to not executing at all is surprising
[19:25] <fsphil> try moving the -lsamplerate to the end of the command
[19:26] <fsphil> oh wait, you're only compiling it
[19:26] <fsphil> not linking it
[19:26] <fsphil> don't use -c
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[19:57] <Laurenceb> working now
[19:57] <Laurenceb> arg why is my hand so laggy
[19:57] <Laurenceb> :P
[19:58] <Laurenceb> im trying to work out the lag on the fifo with a stopclock
[19:58] <Laurenceb> my hand has 320ms of lag :/
[19:59] <Randomskk> if it's consistent you can remove it
[19:59] <Laurenceb> yes
[19:59] <Laurenceb> weird - i try to press start and i can see my hand refusing to do anything
[20:00] <Laurenceb> anyway - ive fixed fldigi to try and get the wav read workng at the right speed - seems to have got rid of the missing dat aproblem, but theres still very close to 4s lag
[20:00] <Laurenceb> odd
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[20:02] Action: Laurenceb wonders if replacing the nerves in his arm with cables would speed things up
[20:03] <Randomskk> suspect a fair bit of that is in the brain rather than the relatively fast transmission down nerves
[20:03] <Randomskk> though admittedly there is a diffusion process going on
[20:03] <Randomskk> but possibly more diffusion in the brain
[20:04] <Laurenceb> i try to click in sync with the led - i see the led flash and try to click with my hand next to the led, and i can see my hand not responding
[20:04] <Randomskk> your brain does funny things to your perception of time too
[20:04] <Randomskk> ~50ms time lag between light hitting retinas and getting decoded into images
[20:04] <Randomskk> less for sound, it's simpler to process, but of course sound travels slower to your ear
[20:04] <Randomskk> at a certain distance the two correspond and all is well
[20:04] <Laurenceb> yeah - if you look at a ticking clock the first second is weird
[20:05] <Randomskk> otherwise your brain delays one or the other to make them match
[20:16] <Laurenceb> whos able to edit the dl-fldigi github?
[20:17] <Laurenceb> - think i have an improved sound.cxx
[20:20] Action: Laurenceb has never used github
[20:21] <Darkside> what improved?
[20:21] <Darkside> what's*
[20:21] <Laurenceb> the vanilla sound.cxx uses nanosleep to set the playback rate
[20:22] <Laurenceb> nanosleep inevitably actually blocks for longer due to context switches
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[20:23] <Laurenceb> so if you use a fifo buffer to send data to fldigi, the fifo will gradually start to fill up
[20:23] <Laurenceb> fifos on linux are limited to 64KB so once its full you start to lose data
[20:23] <Darkside> ok
[20:23] <Laurenceb> reducing nanosleep delay by 5% seems to work
[20:24] <Laurenceb> i guess i could remove it completely but itd screw up playback of actual recordings
[20:24] <Laurenceb> - as read will block until data is avaliable aiui
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[20:28] <fsphil> create your own clone on github, push to that and it'll eventually get merged
[20:30] <Laurenceb> just running some test to make sure it really did solve the problem
[20:32] <LazyLeopard> That eye-to-hand delay's what occultation observers used to refer to as their "personal equation" back in the days when occultation timing was done using a stopwatch and audio of the Rugby time signal.
[20:32] <Laurenceb> ok... it works until i try to run flash player as well
[20:32] <Laurenceb> it which case _everything_ is screwed :P
[20:33] <Laurenceb> processor at 100% :(
[20:34] <Laurenceb> oltimate irony - the page causing all the issues it prompting me to install silverlight
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[20:43] <fsphil> euu
[20:48] <Laurenceb> ok seems to work - unlike flash
[20:49] <Laurenceb> there were several points where flash used up all the cpu and the pipe broke, but it recovered again and got back to <1s lag each time
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[20:49] <Laurenceb> i suspect the ~700ms lag is due to the way fldigi generates the waterfall display
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[20:52] <Laurenceb> "hardcore forking action..."
[20:56] <Darkside> forking hell
[20:56] <Laurenceb> https://github.com/Laurenceb/dl-fldigi/blob/master/src/soundcard/sound.cxx
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[20:57] <Laurenceb> as i say in the comment - ideally fldigi needs a stream playback option
[20:58] <fsphil> I was looking at adding a network stream listener, for running over the internet
[20:58] <fsphil> could work locally too
[20:59] <Laurenceb> according to the source code comments in sound.cxx, it can playback flac
[20:59] <fsphil> it can
[20:59] <Laurenceb> sweet
[20:59] <Laurenceb> then we can stream flac
[20:59] <Laurenceb> - over ip
[21:00] <fsphil> I was thinking celt -- a low latency lossy codec
[21:00] <Laurenceb> depends howlossy
[21:01] <fsphil> yea I haven't tested it
[21:01] <fsphil> I've decoded over a fairly low bitrate vorbis stream, so I think it should work
[21:02] <Laurenceb> of course ideally we want to do some funcky dsp
[21:02] <Laurenceb> most lossy codecs throw away phase info for a start
[21:02] <fsphil> mm, yea
[21:03] <fsphil> 8000hz mono flac can't have that high a bitrate anyway
[21:03] <fsphil> the icarus2 sample is 77.7 kbit/s according to mplayer
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[21:04] <Laurenceb> thats kind of high
[21:05] <fsphil> fine for dsl, but not gsm
[21:05] <Laurenceb> wav is 128kbit/s
[21:05] <fsphil> yea flac normally only gets 50%
[21:05] <fsphil> on a good sample
[21:05] <fsphil> but apply some simple noise filtering before
[21:06] <fsphil> most of that bitrate is probably going to encoding the noise floor
[21:06] <Matt_soton> 21:05:08 < fsphil> fine for dsl, but not gsm
[21:06] <Matt_soton> woops
[21:07] <jonsowman> :\
[21:07] <jonsowman> Matt_soton: what are you doing :P
[21:07] <Matt_soton> clicking randomly
[21:07] <fsphil> <Matt_soton> 21:05:08 < fsphil> fine for dsl, but not gsm
[21:07] <jonsowman> :o
[21:07] <fsphil> it was worth repeating ;-)
[21:07] <jonsowman> hehe
[21:08] <jonsowman> anyway Matt_soton have you done anything on Apex yet?
[21:08] <Matt_soton> na but ill see if i can obtain parts for hte switcher 2moro
[21:08] <jonsowman> alright cool
[21:08] <Matt_soton> otherwise a farnell order will be required
[21:08] <jonsowman> okay
[21:08] <fsphil> ooh farnell, reminds me I need bits
[21:09] <jonsowman> Matt_soton: can you get the program done?
[21:09] <Matt_soton> i dont think thers much to it, just another variable to store what part of the cycle its in
[21:09] <jonsowman> well change it to transmit 300 x 3, 50 x 1, then uplink
[21:09] <Matt_soton> mite as well do now tho
[21:10] <jonsowman> also strip everything out of the 50 baud packet
[21:10] <jonsowman> apart from the gps data
[21:10] <jonsowman> ?
[21:11] <Matt_soton> yea thats simple enough
[21:12] <jonsowman> pic program. the tracking software is all fine isn't it? or were there things you wanted to change?
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[21:12] <jonsowman> s/pic program. //
[21:12] <Matt_soton> i may cahnge it to use the intenral ram rathe rthan external stuff now its not needed for background rcv (when it creates the string)
[21:12] <jonsowman> oh yes
[21:12] <jonsowman> okay
[21:12] <jonsowman> sounds like a good idea
[21:12] <jonsowman> I think that's all the software mods we need to make
[21:13] <Matt_soton> also rev eds server is slow
[21:13] <jonsowman> you're telling me
[21:13] <Matt_soton> only 20th of my max download :p
[21:14] <jonsowman> lol
[21:14] <jonsowman> I think this relaunch is mainly going to be little tweaks and things
[21:14] <jonsowman> nothing major
[21:14] <Matt_soton> and actually test the upload
[21:14] <jonsowman> the payload behaved pretty well on launch 1
[21:14] <jonsowman> yes, that too
[21:14] <jonsowman> hopefully we'll have more luck with the IRDs too
[21:15] <Matt_soton> so are sgs buying two radios in time for hte launch?
[21:15] <jonsowman> apparently
[21:15] <fsphil> have you added some more characters to the beginning of the string, to guard against lost $ characters?
[21:15] <jonsowman> I'm not entirely sure what's going on there
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[21:16] <jonsowman> fsphil: we hope to get around that by transmitting the string 3 times repeatedly without breaks in between
[21:16] <fsphil> oh excellent
[21:16] <fsphil> that'll do it
[21:16] <jonsowman> it was powering the radio off (for the uplink window) that caused that problem last time
[21:16] <jonsowman> as well as the awful fx drift
[21:17] <Matt_soton> no more gaping holes in the side of the payload next time :)
[21:17] <jonsowman> indeed
[21:17] <jonsowman> much foam and gaffa tape
[21:17] <jonsowman> and properly insulate the radio itself in addition
[21:17] <Matt_soton> well if we improve on the sandwich design before deployiing the gaffa
[21:17] <jonsowman> yes
[21:17] <jonsowman> definitely
[21:19] <Matt_soton> suppose all we really need to do is get some thin foam to cover the sides
[21:19] <jonsowman> yep
[21:19] <jonsowman> have been looking into that
[21:19] <jonsowman> ACowan31 is sorting the GM tubes too
[21:19] <jonsowman> Centronics have sent us a new set apparently
[21:20] <fsphil> heya RocketBoy! any news about the flight?
[21:20] <jonsowman> Matt_soton: ben_apex has done some LUA work it seems (see github)
[21:20] <Matt_soton> are the new set gonna be less prone to breaking with low pressure?
[21:20] <jonsowman> think so
[21:20] <Matt_soton> and yea i was there when he committed that :)
[21:20] <jonsowman> ask ACowan31 when he's around
[21:20] <jonsowman> oh ok :)
[21:20] <jonsowman> nice one
[21:21] <jonsowman> I need to speak to SGS
[21:22] <jonsowman> looking forward to this launch
[21:22] <jonsowman> :D
[21:22] <RocketBoy> fsphill: the one today or the one yesterday
[21:22] <Matt_soton> we're gonna have three radios again, so three chase 'cars'
[21:22] <RocketBoy> ?
[21:22] <jonsowman> Matt_soton: not sure on vehicle numbers
[21:22] <jonsowman> we'll have my car
[21:22] <jonsowman> others depend on who ends up coming
[21:22] <jonsowman> for our car, we can use Randomskk's radio if we ask nicely I think
[21:23] <fsphil> RocketBoy, saturdays -- last we heard the balloon was lost
[21:23] <Matt_soton> itll be us, and whoevers avaliable on the day to drive i suppose
[21:23] <jonsowman> yup
[21:23] <jonsowman> dont know if JC will be
[21:23] <Matt_soton> suppose u need to ask about Mr B
[21:23] <Matt_soton> and davis?
[21:23] <jonsowman> yea
[21:23] <Matt_soton> turner?
[21:23] <jonsowman> they can do what they want really
[21:23] <Matt_soton> yea
[21:23] <jonsowman> the email went out to the list, they're all on it
[21:23] <Matt_soton> doesnt really effect us
[21:24] <jonsowman> exactly
[21:24] <jonsowman> there are launch site issues if there are lots of people though
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[21:24] <RocketBoy> fsphil: yeah - the balloon got cut off accidentally
[21:24] <Matt_soton> jonsowman: if others are coming we'll need a prelauch training session
[21:25] <RocketBoy> so we abandoned the flight
[21:25] <fsphil> ack
[21:25] <jonsowman> Matt_soton: yes indeed
[21:26] <Matt_soton> ben suggested that if we have ferret? onboard, it could have seperate cutdown and paracute
[21:26] <RocketBoy> fsphil: i sorted the problem on the launch today
[21:26] <jonsowman> Matt_soton: that's difficult
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[21:27] <jonsowman> if ferret piggybacks the Apex launch, it'll just be a standalone tracker on a different frequency
[21:27] <Matt_soton> and we need to know people will be around to pick up the second payload
[21:27] <jonsowman> I was thinking
[21:27] <jonsowman> how about Sat/Sun 11-12th Dec
[21:27] <jonsowman> (weather permitting ofc)
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[21:28] <Lunar_Lander> hello
[21:28] <Matt_soton> we dont finish till the 18th remember
[21:28] <Matt_soton> but would be ok if we could get it done
[21:28] <fsphil> when are you thinking of launching?
[21:28] <jonsowman> I can come down to soton on sat
[21:28] <jonsowman> head up to cam early sunday morning
[21:28] <jonsowman> launch, head back to soton
[21:29] <jonsowman> fsphil: sometime in the next few weeks
[21:29] <jonsowman> very weather dependent ofc
[21:29] <fsphil> ooh nice, be a good chance to test things here again
[21:29] <Matt_soton> you would have to be in soton for a few days b4 to make sure it gets all done
[21:30] <Randomskk> you can borrow my radio
[21:30] <Randomskk> it has a real power supply now
[21:30] <Randomskk> rather than the atx thing
[21:30] <jonsowman> Randomskk thanks :D
[21:30] <Randomskk> also I have batteries for it
[21:30] <jonsowman> Matt_soton: that's doable
[21:30] <jonsowman> I intend to grab the payload from SGS when I visit
[21:30] <jonsowman> on the 7th
[21:30] <Matt_soton> tx on batteries? :D
[21:30] <Lunar_Lander> little write-up of yesterday's night shift: http://winzenflyer.wordpress.com/2010/11/21/tracking-horus-11/
[21:31] <fsphil> was just listening to the samples from the horus 9 repeater -- what a great system!
[21:31] <jonsowman> Matt_soton: cars have alternators if not
[21:31] <Matt_soton> i wasnt being serious
[21:31] <jonsowman> :P
[21:31] <Laurenceb> i didnt realise there were setpots under the ntx2 lable
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[21:31] <Laurenceb> thats kind of helpful
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[21:33] <Lunar_Lander> hi jcoxon
[21:35] <jonsowman> Matt_soton: could we also change to 1.5 stop bits
[21:35] <jonsowman> general concensus here seems to be that 1 is not enough normally
[21:35] <Matt_soton> im sure the PICAXE will agree with you
[21:36] <jonsowman> it'd better
[21:36] <fsphil> 1.5 is more reliable at the higher baud rates
[21:36] <Matt_soton> lookup hsetup/hserout jon
[21:36] <jonsowman> in a minute
[21:36] <jonsowman> why?
[21:37] <Matt_soton> to see if 1.5 is possible
[21:37] <jonsowman> haven't you got the manuals open lol
[21:38] <Matt_soton> nope
[21:38] <jonsowman> ok
[21:39] <Matt_soton> i believe the answer is no unless thers a little heck
[21:39] <Matt_soton> hack
[21:39] <jonsowman> ok
[21:39] <jonsowman> how about 2?
[21:39] <Matt_soton> more likely to be possible with a hack
[21:39] <Matt_soton> itll be 7 data bits tho
[21:40] <jonsowman> that's alright
[21:40] <jonsowman> we can manage that
[21:42] <GW8RAK> The standard ouput with hserout is 8n1. 2 stop bits aren't possible.
[21:43] <jonsowman> thanks GW8RAK
[21:43] <jonsowman> not a huge issue
[21:43] <jonsowman> the 300 baud stuff was decodeable last time really, and the mods to the transmission regime should help things even further
[21:43] <jonsowman> Matt_soton: we're abandoning GSM for this launch?
[21:43] <Matt_soton> yea
[21:44] <jonsowman> good
[21:45] <GW8RAK> That is the stage I am at. Will probably looking at bit banging for more stop bits.
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[21:45] <jonsowman> I don't know if it's worth the hassle
[21:45] <jonsowman> 1 stop bit was alright last time
[21:46] <jonsowman> Matt_soton: thoughts?
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[21:46] <GW8RAK> If Firefox keeps crashing like that, I'm dump it
[21:46] <GW8RAK> I'll
[21:47] <jonsowman> GW8RAK: irssi :)
[21:47] <Matt_soton> well if we tx on 7data 2stop, cant we just tell the PIC to use 8data 1 stop, but set the last data to a value which is actually the stop?
[21:47] <GW8RAK> Unknown internet abbrevation, panic attack time
[21:47] <jonsowman> GW8RAK: hehe it's an IRC client
[21:47] <jonsowman> Matt_soton: interesting
[21:48] <jonsowman> I don't see why that wouldn't work
[21:48] <jonsowman> hacky... but...
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[21:52] <Randomskk> it can tx from batteries but you don't get muuuch life
[21:53] <Lunar_Lander> how should it tx then?
[21:53] <Lunar_Lander> from the socket?
[21:54] <Randomskk> well yes
[21:54] <Randomskk> we used an inverter then a dc power supply for some reason
[21:54] <jonsowman> Randomskk: we'll use the alternator for uplink I think
[21:54] <Randomskk> running it directly from the battery is way way more sensible
[21:54] <Randomskk> jonsowman: the lipos can supply the current for uplink if needed though
[21:54] <jonsowman> cool ok
[21:54] <jonsowman> we'll try and go for a slower ascent this time
[21:55] <jonsowman> s/try and//
[21:56] <jonsowman> Randomskk: we should do some work on ferret
[21:56] <Randomskk> yea
[21:56] <Randomskk> lots of time next week
[21:57] <jonsowman> inded
[21:57] <jonsowman> *indeed
[21:58] <GW8RAK> How accurate does the timing of at 50 baud need to be?
[21:58] <Randomskk> not all that
[21:58] <Laurenceb> mfsk64 seems to work quite well
[21:59] <Laurenceb> it is sensitive to freuqency offset but it seems managable with the ntx2
[21:59] <GW8RAK> For extra stop bits, I'm wondering about outputting data from the Picaxe at 50 baud but before it reads the next character, just add a 20mS pause.
[22:00] <Randomskk> that would probably work
[22:00] <GW8RAK> It's good someone else thinks the same way. I normally come up with simple elegant solutions which don't work.
[22:01] <Laurenceb> in my experience picaxe is horribly limiting
[22:01] <jonsowman> Laurenceb: it works
[22:01] <GW8RAK> BASIC is the only language I know and I really don't want the learning curve with the Arduino.
[22:02] <Randomskk> I find once you know one language, others are similar
[22:02] <jonsowman> Randomskk: good point, that's quite true
[22:04] <jonsowman> Matt_soton: wonder what SGS are going to say about this launch
[22:04] <jonsowman> especially if none of them actually end up coming
[22:05] <Matt_soton> i would have thought others will want to come
[22:05] <Matt_soton> and it only needs one person with a car who can drive
[22:05] <jonsowman> depends who's around to drive
[22:06] <Matt_soton> it doesnt have to be anyone who knows anything about whats going on
[22:06] <jonsowman> true
[22:06] <jonsowman> we'll see
[22:06] <jonsowman> Jamie said he'd phone me tomorrow
[22:06] <Matt_soton> ok
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[22:09] Nick change: GW8RAK_ -> GW8RAK
[22:11] <Laurenceb> http://ukhas.org.uk/code:radio
[22:11] <Laurenceb> mfsk64 code on htere... only ic ant open it
[22:11] <jcoxon> did steve launch today
[22:11] <jcoxon> ?
[22:12] <fsphil> yep, looks like. was talking to him a bit earlier
[22:12] <jcoxon> he needs to advertise better!
[22:12] <Lunar_Lander> hi James, how's life?
[22:12] <jonsowman> Laurenceb: what's wrong with it?
[22:12] <Laurenceb> wont open after i upload to the wiki
[22:12] <Laurenceb> open fine on my machine
[22:13] <Laurenceb> - corrupted tar archive
[22:13] <jcoxon> Lunar_Lander, busy busy
[22:13] <jonsowman> I just downloaded the tarball and extracted
[22:13] <jonsowman> is fine
[22:13] <Lunar_Lander> yeah same here
[22:13] <fsphil> same error here
[22:13] <jonsowman> weird
[22:13] <jonsowman> I'm looking at the code now
[22:13] <fsphil> hmm
[22:13] <fsphil> extracting it on the command line works fine
[22:13] <Laurenceb> ok thats odd
[22:14] <jonsowman> http://lister.hexoc.com/u/mfsk.tar.gz
[22:14] <jonsowman> that any better?
[22:14] <fsphil> 404
[22:15] <Laurenceb> lol anyway theres some mfsk64 code that works
[22:15] <jonsowman> try again
[22:15] <jonsowman> sorry
[22:15] <jonsowman> scp fail
[22:15] <Laurenceb> - previous version on the wiki was buggy
[22:16] <fsphil> mfsk2 -- like rtty only with error correction
[22:16] <Laurenceb> yes, and multi frequency shift
[22:16] <Randomskk> you maybe didn't see the 2
[22:16] <fsphil> can be done with just two resistors
[22:17] <Laurenceb> 16 different frequencies - it is a bit sensitive to frequency drift, but in my experience its managable
[22:17] <Randomskk> to be honest, dominoex
[22:17] <Laurenceb> one possible problem would be if the deviation changes a bit
[22:17] <Randomskk> it's apparently slightly /better/ than bpsk-31
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[22:18] <jonsowman> that's dominoex 8 right?
[22:18] <jonsowman> can be decoded more dBs under the noise floor than bpsk31
[22:18] <Randomskk> surprising, well, me
[22:18] <Laurenceb> really
[22:20] <Laurenceb> maybe thats not a real effect - e.g. dominoex decoder has a proper dll
[22:20] <Laurenceb> which it does
[22:20] <Laurenceb> in my experience mfsk beats dominoex
[22:20] <jonsowman> When the signal-to-noise ratio deteriorates, DominoEX will get through when BPSK31 cannot. DominoEX 4 has about 4.5 dB better sensitivity than BPSK31
[22:20] <jonsowman> sauce: http://homepage.mac.com/chen/w7ay/cocoaModem/UsersManual/mfskManual/mfskManual/dominoex.html
[22:20] <Laurenceb> but more importantly, mfsk was faster
[22:21] <jonsowman> dominoex pretty much /is/ MFSK
[22:22] <jonsowman> it just changes tone after every bit period
[22:22] <jonsowman> which MFSK need not
[22:23] <Laurenceb> i cant believe that
[22:23] <Laurenceb> must be due to screwy decoder design
[22:23] <Laurenceb> theoretically bpsk should beat any of these goofy fsk modes
[22:24] <jonsowman> well, I would have thought so too
[22:24] <jonsowman> however I have no reason to doubt the results on that page
[22:25] <NigeySWales> evening jonsowman
[22:25] <jonsowman> cocoaModem is generally accepted to be pretty decent I thought? has been around for quite a while
[22:25] <Laurenceb> guess i need to read the dominoex source code
[22:25] <jonsowman> hi NigeySWales
[22:25] Nick change: NigeySWales -> NigelS
[22:25] Nick change: NigelS -> Nige|S
[22:25] <Nige|S> better, shorter
[22:26] <jonsowman> hehe
[22:26] <Nige|S> oh jon i finally won an acution for a 790 .. lol
[22:26] <jonsowman> oh nice
[22:26] <jonsowman> how much did you pay? if you don't mind my asking
[22:26] <Nige|S> £106
[22:26] <jonsowman> good stuff
[22:26] <jonsowman> good price :)
[22:27] <Nige|S> yep, ordered the yagi to, should all be here by friday
[22:27] <jonsowman> excellent
[22:27] <jonsowman> did you go for the 10el?
[22:27] <Nige|S> yeah, the diamond 1
[22:27] <jonsowman> cool
[22:27] <jonsowman> I like those ants
[22:27] <jonsowman> really neat
[22:28] <Nige|S> was the most recommended
[22:28] <jonsowman> understandably
[22:28] <jonsowman> brb
[22:32] <Laurenceb> i think dominoex is getting a denefit from the inbuilt sync
[22:32] <Laurenceb> maybe...
[22:32] <Laurenceb> cant see how it could be anything other than decoder implimentation thats giving better performance
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[22:43] <jcoxon> 100,000 views on my flickr
[22:43] <jcoxon> awesome
[22:43] <jonsowman> :)
[22:43] <fsphil> congrats :D
[22:44] <Lunar_Lander> cool! well done :)
[22:45] <Randomskk> :D
[22:46] <Lunar_Lander> I have to catch up with my blog
[22:46] <Lunar_Lander> so far I have some 70 clicks
[22:48] <Randomskk> jcoxon: photostream views or total views?
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[23:00] <jcoxon> total
[23:02] <Lunar_Lander> btw, Delta IV just launched :)
[23:10] <SpeedEvil> Woo!
[23:10] <SpeedEvil> http://qkwv.com/out.gif
[23:11] Action: SpeedEvil loves stupid scripts.
[23:11] <Lunar_Lander> SpeedEvil http://winzenflyer.wordpress.com/2010/11/21/tracking-horus-11/
[23:11] <SpeedEvil> mplayer, outputting ascii pnms from a webcam pointing at my power meter disk . -> awk -> gnuplot
[23:11] <SpeedEvil> Taking about half an hour, while watching TV
[23:12] <SpeedEvil> Awesome.
[23:12] <Lunar_Lander> thanks :)
[23:12] <SpeedEvil> What was the payload?
[23:13] <Lunar_Lander> I think they had a video cam for an artist or so
[23:13] <russss> classified
[23:13] <Lunar_Lander> xD
[23:13] <SpeedEvil> ah
[23:13] <russss> I thought you were still talking about the delta IV :P
[23:13] Action: russss goes to bed now.
[23:14] <Lunar_Lander> yeah
[23:14] <Lunar_Lander> Delta IV has a recon sat which is classified
[23:14] <Lunar_Lander> SpeedEvil did you mean Horus 11 or the Delta?
[23:15] <russss> you do have to wonder what kind of classified satellite weighs 13-22 tonnes though
[23:16] <Lunar_Lander> yeah
[23:16] <Lunar_Lander> and they stopped showing the launch footage after fairing seperation
[23:16] <SpeedEvil> I meant horus
[23:16] <Lunar_Lander> ah
[23:17] <Lunar_Lander> yes Horus had a video camera for some kind of video artist or so
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[23:23] <Laurenceb> hah
[23:23] <Laurenceb> like they let you see the sat
[23:24] <fsphil> amateurs will have it photographed soon anyway ;)
[23:24] <Laurenceb> aiui its one of the crazy inflatible uberdisjes
[23:24] <Lunar_Lander> yeah xD
[23:24] <Lunar_Lander> hey btw
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[23:24] <Darkside> Lunar_Lander: want some screenshots?
[23:24] <Lunar_Lander> I am a guest author on a space blog
[23:24] <Lunar_Lander> sure :)
[23:24] <Darkside> im gonna upload some now
[23:24] <Lunar_Lander> and know what?
[23:24] <Laurenceb> i was wondering if it could intercept gsm
[23:24] <Lunar_Lander> I can see on the blog's dashboard what people wrote into google to find the blog
[23:24] <Darkside> Laurenceb: ohhh man
[23:24] <Laurenceb> seems to be borderline feasible in most places
[23:24] <Lunar_Lander> wanna know the best one?
[23:24] <Darkside> be careful with that
[23:24] <Lunar_Lander> XD
[23:25] <Laurenceb> - its so large thy could focus it on individual towers/cells
[23:25] <Darkside> http://imgur.com/CDptn.jpg
[23:25] <Lunar_Lander> the best google line was
[23:25] <Laurenceb> im sure they have the hardware for cracking gsm encription
[23:25] <Lunar_Lander> "Is the X-37B still in space?"
[23:26] <fsphil> I've a nest box, had great tits nesting in it -- you can imagine the google queries that I log ;-)
[23:26] <Lunar_Lander> LOL
[23:27] <fsphil> I'e wondered how many viewers actually where looking for the other kind of great tits
[23:27] <Lunar_Lander> Darkside who's that guy?
[23:27] <Laurenceb> there was a russian special ops team in chechnia who modified a radiation seeking missile to lock onto gsm
[23:28] <Laurenceb> then put some rebels phone into a disgnostics mode over the network so it was spitting out data constantly... boom
[23:29] <Lunar_Lander> actually the photo reminds me of a latin exam Darkside :)
[23:29] <Laurenceb> they can probably do it from orbit now
[23:30] <Darkside> Laurenceb: Hermes
[23:30] <Darkside> the greek god of the sky
[23:30] <Darkside> i think
[23:30] <Lunar_Lander> ah
[23:31] <Lunar_Lander> well as I said it reminds me of a latin exam
[23:31] <Darkside> http://imgur.com/Bzci6.jpg
[23:31] <Lunar_Lander> wanna know why?
[23:31] <Lunar_Lander> cool shot!
[23:32] <fsphil> imagine if it had fell of and landed in someones garden
[23:32] <Lunar_Lander> lol
[23:32] <Lunar_Lander> well the thing is
[23:33] <Lunar_Lander> in that latin exam, the correct translation for one of the sentences was "He had the whole world in his view"
[23:33] <Lunar_Lander> and someone wrote: "Then, his head spun around the world."
[23:34] <Laurenceb> http://www.wavecom.ch/onlinehelp/WCODE/default.htm?turl=WordDocuments%2Fstanag4285.htm
[23:34] <Laurenceb> niccceeee
[23:41] <Lunar_Lander> Darkside do we have more pictures?
[23:50] <Darkside> some
[23:50] <Darkside> i think terry is doing up the blog post now
[23:50] <Lunar_Lander> ah
[23:51] <Lunar_Lander> I did my own post
[23:51] <Lunar_Lander> want to see it :)?
[23:51] <Darkside> eh?
[23:51] <Laurenceb> http://www.edaboard.com/thread89910.html
[23:51] <Lunar_Lander> http://winzenflyer.wordpress.com/2010/11/21/tracking-horus-11/
[23:51] <Laurenceb> thats interesting
[23:52] <Laurenceb> i never realised mfsk was any good
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[00:00] --- Mon Nov 22 2010