[00:00] <g6uim> oh will keep looking just not all night, one of the reasons I was thinking about some code to sound the PC speakers as an alarm call if a balloon came in range
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[00:02] <jcoxon> okay time for some sleep
[00:02] <jcoxon> going to leave my remote station decoding
[00:02] <NigeyS> :) nn
[00:02] <jcoxon> hopefully it'll survive the night
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[00:04] <NigeyS> hope so !
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[00:06] <Laurenceb_> how long with the battery last?
[00:06] <fsphil> NigeyS: I'd like to think sailers are smarter th... nah, they'll totally think UFO :)
[00:06] <NigeyS> lol
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[00:07] <NigeyS> laurenceb i think 45 hours was the estimate
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[00:08] <chrisstubbs> night all, lets see if PICO is still alive in the AM :)
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[00:12] <GMT> I was about to say 'signal getting v weak', but it's getting better again
[00:14] <NigeyS> :D
[00:15] <fsphil> be interesting to see how far west this goes
[00:15] <GMT> I'm gonna leave this running overnight, but sign-out of IRC. Seeya all tmrw for more fun-n-games
[00:15] <NigeyS> nn GMT
[00:16] <fsphil> nite
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[00:16] <GMT> TTFN
[00:16] <NigeyS> fsphil, yeah be curious to see the 6am gfs data
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[00:18] <lowerstoford> Evening All. Is PICO still flying?
[00:19] <NigeyS> hey lowerstoford, yup pico's still up
[00:20] <lowerstoford> Just looked at the tracker, on it way back to the uk then :-)
[00:20] <mfa298> at the speed it's going can you really call it flying ?
[00:21] <lowerstoford> been looking through all the pico code today, trying to decide which one to use as a starting point for my tracker
[00:21] <mfa298> maybe drifting is a better description.
[00:21] <NigeyS> heh it is a tad slow...
[00:22] <Darkside> so what happened with the SHARP launch?
[00:22] <Darkside> i see some big gaps in teh track
[00:22] <lowerstoford> could you answer me this? why do some flights have prediction ans some do not? is it part of the tracker code?
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[00:23] <NigeyS> Darkside, pass, but alpha had an 18k limited gps iirc
[00:23] <Darkside> ahh
[00:24] <NigeyS> pico had an interesting first hour
[00:24] <mfa298> alpha had issues >18k, sharp didn't fly, fizzle had some success but had some issues mid flight
[00:25] Action: mfa298 likes how the R in SHARP was for re-useable
[00:25] <NigeyS> heh
[00:28] <lowerstoford> when I watch HYPERION this morning, the map was showing predicted path and landing spot, but PICO does noy?
[00:29] <lowerstoford> *not
[00:30] <NigeyS> oh, its turned on for some flights, not for others
[00:30] <navrac_back> its a floater -so any prediction would be a bit pointless
[00:30] <NigeyS> and i dont think it works to well for the floater / picos
[00:31] <lowerstoford> Thanks, make sense.
[00:32] <navrac_back> looks like its been busy while I was away, pity I missed today - it looked quite busy
[00:32] <mfa298> if you look in the channel logs you'll find some other predictions for the PICO using a different tool
[00:34] <navrac_back> http://ukhas.org.uk/projects:picoatlas:picoatlasix
[00:34] <mfa298> lowerstoford: i think this was one of the more recent predictions
[00:34] <mfa298> 23:49 < jcoxon> http://ready.arl.noaa.gov/hysplitout/15348_trj001.gif
[00:34] <lowerstoford> Yes I saw that when it was posted earlier. Need to stop watching and start tracking. Its a bit addictive. Was great to see the live video of the recovery this morning
[00:36] <lowerstoford> Looking at that prediction it may come fairly close to me tomorrow. Maybe a good opportunity to see if my moxon works
[00:36] <navrac_back> sadly it will take me too long to put my receiver setup tonight, hopefully pico will still be up in the morning
[00:36] <mfa298> I think in general people use the hysplit for floaters and the habitat predictor for a more standard up, burst, down flight.
[00:38] <lowerstoford> good to know. We are building a modular system that should be able to fly on small balloons, for floating and larger balloons for altitude. also hoping to fly on solar balloons
[00:39] <mfa298> from the times in that prediction i might not hear it until midday now (I need it to approch the Isle of Wight)
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[00:40] <mfa298> you can appoximate a floater on the habhub predictor by having a really slow descent but it's not ideal.
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[00:40] <lowerstoford> At 1600 the arrow points almost at me. So I will aim to have it all setup and ready
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[00:41] <mfa298> if you've got a reasonable antenna you should be able to hear it from a distance
[00:42] <griffonbot> Received email: Steve Daniels "RE: [UKHAS] Re: Launch Announcement - UoS Physics Outreach, New
[00:42] <lowerstoford> may built a discone in the morning, I was thinking of mounting it on my Wind Turbine tower. not sure if the turbine would create some type of interference. any thoughts?
[00:43] <lowerstoford> I only have a DIY moxon at the mo, should take long to knock up a basic discone thou
[00:43] <mfa298> once you're inside the blue circle it should be above the horizon so should be recievable given a reasonable radio, antenna and location
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[00:45] <lowerstoford> OK. Whats the green circle?
[00:45] <Hix> hello peoples
[00:45] <lowerstoford> hi Hix
[00:45] <Hix> green 0 deg horizon
[00:45] <Hix> hi
[00:46] <Hix> sorry green 5 deg horizon
[00:46] <Hix> blue 0 deg
[00:46] <Hix> how's sunny devon?
[00:47] <lowerstoford> Well I will have to hope its still floating towards me in the morning
[00:47] <mfa298> they should tell you if you hover over them
[00:47] <Hix> oooh Pico still going?
[00:47] <lowerstoford> Devon, I have no idea. But in somerset its moony
[00:47] <mfa298> seems to be
[00:48] <Hix> my bad lowerstoford
[00:48] <Hix> pub is to blame
[00:48] <lowerstoford> HA
[00:48] <Hix> Pico still going then? cool
[00:48] <lowerstoford> yep
[00:49] Action: Hix checks spacenear
[00:50] <Hix> ha avoiding France nicely :)
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[00:50] <griffonbot> Received email: Matthew Brejza "Re: [UKHAS] Re: Launch Announcement - UoS Physics Outreach, New
[00:50] <g6uim> My part of Devon is overcast
[00:51] <Hix> If I could go upstairs without clattering something or stirring the hounds, I'd try and decode that
[00:51] <Hix> #morethanmylifesworth
[00:51] <lowerstoford> Torquay? But its the Riviera?
[00:52] <lowerstoford> g6uim
[00:52] <Hix> Basilllll
[00:53] <lowerstoford> lowerstoford looks out of the window
[00:53] <lowerstoford> Overcast now. Time to get the telescope in...
[00:54] <lowerstoford> 2 hour exposure of clouds then. well that was worth it.
[00:54] <Hix> bummer
[00:55] <g6uim> Paignton but it;s all a lie, the palm trees are mostly very hardy types, apart from the new one that is wrapped up, won;t tell you what it looks like
[00:55] <lowerstoford> good zoo thou
[00:56] <lowerstoford> HIX I have some great shots of 2012 DA14.
[00:56] <g6uim> pop in any of you if you are this way inclined
[00:57] <Hix> huh?????
[00:57] <lowerstoford> Well I would have if the clouds where not in the bl***Y way!
[00:57] <Hix> ahhh astro term.
[00:57] <Hix> got confused
[00:57] Action: Hix is grinding fresh peppercorns
[00:58] <Hix> the smell :) awesome
[00:58] <lowerstoford> Hix is sniffing peppercorns???
[00:58] <lowerstoford> Hix yes astoid
[00:59] <Hix> you cant beat the smell of freshly ground pepper
[00:59] <Hix> if eroomde was here he wold certainly agree
[00:59] <lowerstoford> OK then :-)
[01:00] <Hix> lower astoid sounds like a suppository :)
[01:00] <g6uim> lol
[01:00] <lowerstoford> And to think I got called a troll for posting a strange comment last night!
[01:00] <lowerstoford> let see what he thinks of this discussion then :-)
[01:01] <Hix> troll here? thought that was Laurenceb's territory
[01:01] <lowerstoford> Was going to ask about nokia phones for gsm sms tracking, but maybe we have all had too much beer?
[01:01] <lowerstoford> ah ok, it was him that said it
[01:02] <lowerstoford> thena hour later he post to youtube links to some song??
[01:02] <lowerstoford> off to sniff some pepper
[01:02] <g6uim> ho hum was a joke inclined as in satellites inclination
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[01:03] <lowerstoford> hang on? grinding???
[01:03] <Hix> nokia is fbus no? supposed to be fairly user friendly
[01:04] <lowerstoford> oh g6uim, would have got it... eventually :-)
[01:04] <g6uim> probably not
[01:04] <lowerstoford> Yes seams not too bad. I have a large selection of Noika and just wondered if anyone had used one?
[01:05] <Hix> there is some arduino based fbus stuff in google land
[01:05] <mfa298> I think for the most part people don't rely on phones for tracking as they only get a signal when they're low down
[01:06] <lowerstoford> I have even found a 5110, but it really is a beast! and the battery weights more than my whole payload!
[01:06] <lowerstoford> oh no. phone will be secondary track only
[01:06] <Hix> yup
[01:06] <mfa298> in the case of wednesdays flight there was a 3g dongle for video which was supposed to kick in under 2km, the stream only started after landingg
[01:07] <mfa298> so you might be at the mercy of getting a signal at ground level
[01:07] <Hix> wake up and smell the http://i.imgur.com/FBZcgUr.jpg
[01:07] <lowerstoford> got to go get the telescope in. or I will forget and it will be full of water in the morning.....
[01:08] <mfa298> i think they have been used as secondary tracking, but for the most part the radio network has done as well.
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[01:11] <lowerstoford> woop Lauranceb was here
[01:11] <lowerstoford> *woops
[01:12] <lowerstoford> just dont want to loose my radio and module. its take months to make just the payload casing
[01:13] <lowerstoford> im not using polystyrene like normal
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[01:16] <lowerstoford> If blue circle means 0 horizon. how is daveake tacking it?
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[01:17] <SpeedEvil> 0 horizon is not always quite realistic
[01:17] <SpeedEvil> for example, hills
[01:18] <SpeedEvil> and certain propagation modes can lead to unexpected long ranges
[01:18] <SpeedEvil> diffraction off the sea
[01:18] <lowerstoford> Oh, I have so much to learn!
[01:20] <lowerstoford> and 1:19am is prob not the best time to understand these things
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[01:21] <Hix> atmospheric changes can often bounce RF stuff
[01:22] <mfa298> looks like daveake is just inside the 0 deg circle, and I think the 0deg circle probably assumes the country is flat,
[01:23] <lowerstoford> ok, so maybe I will get my RTL setup in the morning and see what i can find (Hopefully PICO will still be up there)
[01:23] <Hix> mfa298: the world is flat, where habve [sic] you been
[01:23] <lowerstoford> oh, I thought daveake was further north, after watching his passed flights?
[01:24] <mfa298> the key is to think of it as a guide to whether you might get to recieve it
[01:24] <lowerstoford> lowerstoford goes to spacenear
[01:24] <lowerstoford> daveake reading/swindon. so wrong!!!
[01:25] <mfa298> Hix: if you were to believe some of the video footage on habs you could convince people the world is curved in on itself (more like a halo than a sphere)
[01:25] <lowerstoford> HD PRO Fisheye effect
[01:25] <Hix> lies lies lies
[01:26] <mfa298> lowerstoford: exactly
[01:26] <lowerstoford> I have watch so many of thos
[01:26] <Hix> aka gadget show "you ca nsee the curvature of the earth"
[01:27] <lowerstoford> Im going to fly a hackHD hopfully
[01:27] <lowerstoford> 808
[01:27] <Hix> a sun journo, good lad ;)
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[01:30] <lowerstoford> I have a HD Pro on a winch system across a quarry, that the company I work for has taken ownership of. it is to film the changes that we are implementing. never been happy with the quality
[01:31] <SpeedEvil> why not?
[01:31] <SpeedEvil> fob?
[01:31] <SpeedEvil> fov.
[01:31] <lowerstoford> compared to the contour my brother has no his R1 its just not right
[01:33] <lowerstoford> Probally just me,I have a background in AV and photography and i have extremely high standards when it comes to images or sound reproduction.
[01:34] <lowerstoford> the company are very happy with the images and video so thats the important thing
[01:34] <lowerstoford> SpeedEvil fob? fov??
[01:35] <SpeedEvil> field of view
[01:35] <lowerstoford> doh!
[01:35] <lowerstoford> colours more than anything
[01:35] <SpeedEvil> 'not right' ? colour accuracy, tonal problems, ...
[01:35] <SpeedEvil> ah
[01:36] Action: SpeedEvil wonders if it has an IR filter
[01:36] <lowerstoford> its like the old CRT SONY vs Phillips. REDS
[01:37] <lowerstoford> REDS are too much, Greens are too low. Humans look too healthy, nature looks dull and boring
[01:41] <lowerstoford> Hix
[01:41] <lowerstoford> : a sun journo, good lad ;)
[01:41] <lowerstoford> Me?
[01:41] <Hix> yo
[01:42] <Hix> hack HD....
[01:42] <lowerstoford> I only like the idea of it
[01:43] <lowerstoford> Have not been impressed with the quality, but controllable and light
[01:43] <lowerstoford> or have I missed your point?...............
[01:46] <lowerstoford> https://www.sparkfun.com/products/11418
[01:46] <lowerstoford> http://www.youtube.com/watch?v=0_xHYvxSH0Q
[01:49] <Hix> it was a random play on the word hack, as in tabloid journo
[01:49] <lowerstoford> Ha just watched some youtube on the two cameras. looks like most doorframe in america are oval?
[01:49] <lowerstoford> dadoom ching
[01:50] <SpeedEvil> to be fair, that's pretty much only the fault of wide angle
[01:50] <lowerstoford> Hix.... ha and who says beer slows your reactions times
[01:51] <lowerstoford> http://www.youtube.com/watch?v=mUKHzV0guTg
[01:51] <Hix> corners in a car mostly
[01:52] <lowerstoford> ha
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[01:57] <lowerstoford> ok... final question of the night............
[01:57] <lowerstoford> and one I have been itching to ask since i found out about HAB
[01:59] <Hix> meaning of life?
[01:59] <lowerstoford> What would the CAA think about me automatically firing 4 strap-on solid rocket boosters, just after ballon burst? my payload design is centered around being able to do this (in the future)
[01:59] <lowerstoford> Hix: 42
[02:00] <Hix> nope try again
[02:00] <lowerstoford> 43
[02:00] <Hix> CAA dont like strapons
[02:00] <SpeedEvil> what size of rockets?
[02:01] <SpeedEvil> sounds extremely unlikely to be simple to get approval
[02:01] <lowerstoford> Pro29 6XL Grain
[02:01] <Hix> strap-ons very rarely get approved
[02:02] <lowerstoford> is it not unrestricted airspace?
[02:02] <lowerstoford> HIX: maybe in your house :-)
[02:02] <Hix> heh
[02:03] <lowerstoford> sorry, beer made me say it!:-/
[02:04] <lowerstoford> so have others tried to fly with rockets attached?
[02:05] <lowerstoford> is it mainly due to having to pass thru "restriced airspace"?
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[02:08] <lowerstoford> The idea cam about as I have successfully launched a rocket from a kite at 100m, the rocket detects is dropping and fires motor. if i could pull off the same trick at 35km then who know how high it will go :-)
[02:08] <lowerstoford> Seams like its not likely tho?
[02:11] <lowerstoford> HIX: I do apologise for the strapon comment
[02:11] <Hix> stick it up yer arse ;p
[02:11] <lowerstoford> HA!
[02:12] <lowerstoford> great come back
[02:12] <lowerstoford> or should i say..
[02:12] <Hix> sorry, am remotely helping a friend in canada who is computer illiterate and also drnuk WIN
[02:12] <lowerstoford> no....... stop now
[02:13] <Hix> :D
[02:13] <lowerstoford> i am a ICT manger in the UK, who is computer literate, but also DRUNK
[02:13] <lowerstoford> canada? whats the time there?
[02:14] <Hix> -8 in BC
[02:14] <lowerstoford> its 2:14am and im only up cos of this irc
[02:14] <lowerstoford> time -8?
[02:15] <Hix> 18:14
[02:15] <lowerstoford> drunk? hard day?
[02:15] <lowerstoford> or good day?
[02:15] <lowerstoford> I have family in canada. Hal;ifax
[02:16] <Hix> good day i'm thinking, thoug hhe's gonna get killed by his mrs
[02:17] <lowerstoford> oh dear ;-~
[02:17] <lowerstoford> shall i open another beer?
[02:24] <lowerstoford> HIX: Ok. I think I need Sleep. just understood the -8!!!!
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[02:29] <lowerstoford> right thats me> Night All
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[04:54] <NigelMoby> do b doo
[04:54] <NigelMoby> pico still up?
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[07:16] <Upu_M0UPU> wow thats a slow moving thing
[07:16] <nigelvh> Yeah
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[07:19] <Upu_M0UPU> insultion and rebooting seems to be working anyway
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[07:19] <nigelvh> This an RFM22B?
[07:19] <Upu_M0UPU> yep
[07:20] <nigelvh> So you guys been having issues with it stopping when it gets cold?
[07:20] <Upu_M0UPU> yep
[07:20] <Upu_M0UPU> restart it every X mins and insulate well
[07:21] <nigelvh> Hmm, that's less than ideal, but if it works, it works...
[07:21] <Upu_M0UPU> yep :)
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[07:22] <nigelvh> You still working on your SI4464 board?
[07:22] <Upu_M0UPU> not done anything on it
[07:22] <Upu_M0UPU> will pick up on it in a week or so
[07:22] <nigelvh> I've been fiddling with one. Making some progress. Not quite 100% yet.
[07:23] <nigelvh> The crystal connection is extremely particular
[07:24] <Upu_M0UPU> I'll be in touch :)
[07:24] <nigelvh> Happy to help where I can
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[07:24] <nigelvh> It's been somthing KT5TK and I have been fiddling with. He sent me one of his boards to test with.
[07:24] <Upu_M0UPU> ideally I'd like to make an RFM22 style module but with better quality components
[07:25] <nigelvh> That sounds like a good option
[07:26] <mclane> good morning!
[07:26] <nigelvh> Evening
[07:26] <Upu_M0UPU> I don't know if it matters but this PCB in PICO was accidentally ordered as 1.6mm PCB as opposed to the normal 0.8mm
[07:26] <mclane> pico still up?
[07:26] <Upu_M0UPU> yep
[07:26] <mclane> cool!
[07:28] <mclane> upu, what kind of transmitter chip do yu have in mind?
[07:28] <nigelvh> We're fiddling with the SI4464
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[07:32] <LazyL-M0LEP> Hmmm... Getting occasional random snatches from PICO still, but there's a loud signal 500Hz away that sometimes splatters out that far...
[07:32] <LazyL-M0LEP> Answer, of course, is a yagi on a rotator...
[07:33] <Upu_M0UPU> yeah mclane the SI4464
[07:33] <Upu_M0UPU> or the TX only version of it
[07:34] <nigelvh> I'm hoping to cheat the RX in it to grab some FM modulated tones.
[07:34] <nigelvh> Not really designed for FM, but we'll see if I can fake it.
[07:38] <Upu_M0UPU> http://imgur.com/uzVyPvm
[07:38] <Upu_M0UPU> the one on the left is whats currently above the channel
[07:39] <nigelvh> The RFM on the bottom?
[07:39] <Upu_M0UPU> yep
[07:39] <Upu_M0UPU> and the gps :)
[07:39] <nigelvh> Nice looking setup
[07:39] <Upu_M0UPU> the HX1 clips to the top
[07:40] <nigelvh> I see the stacking pins
[07:41] <Upu_M0UPU> http://imgur.com/iBRt2cg
[07:41] <nigelvh> You pico flyers you...
[07:42] <nigelvh> 16 grams...
[07:42] <Upu_M0UPU> 70cms & APRS at the same time :)
[07:44] <nigelvh> That's part of what I'm hoping about with the 4464 is the total agility of it.
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[07:44] <Upu_M0UPU> yep
[07:44] <Upu_M0UPU> right dog walk time bbs
[07:45] <nigelvh> The ADF7012 works well for me, but to change bands needs a coil change.
[07:45] <nigelvh> The 4464 should remove that.
[07:45] <nigelvh> Plus more output power before PA
[07:45] <nigelvh> Plus potential recieve capability
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[07:47] <jcoxon> still going i see
[07:48] <mattbrejza> astra has been tracking for almost 12 hours without even needing to retune the radio :P
[07:49] <jcoxon> thpigh has climbed a bit with sunlight
[07:49] <jcoxon> mattbrejza, yeah, i've left my station in london running
[07:49] <jcoxon> i vnc every 2 hours or so
[07:49] Action: jcoxon is still in suffolk
[07:49] <mattbrejza> i was suprised to wake up and see me still rxing
[07:50] <jcoxon> it needs to slow down its ascent!
[07:50] <mattbrejza> noone will mind if i remove everything not PICO from the tracker?
[07:50] <jcoxon> mattbrejza, just take a few screenshots of the other flighte before
[07:50] <jcoxon> just in case
[07:51] <mattbrejza> ok
[07:54] <mattbrejza> still 20k data points there...
[07:54] <mattbrejza> o well :P
[07:55] <jcoxon> i did say i wanted to avoid london
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[08:01] <jcoxon> i'm not sure its going to survive this rescent ascent
[08:02] <number10_M0MDB> it is slowing
[08:03] <jcoxon> you could argue that once you re-establish float for the day you should be okay for another couple of hours of float
[08:05] <number10_M0MDB> seems to have leveled at 4300 - 4320
[08:07] <jcoxon> over 14 hours of float now
[08:08] <jcoxon> and a perfect sunrise altitude change
[08:08] <Upu_M0UPU> give me a sec mattbrejza
[08:08] <Upu_M0UPU> oh you already did it :)
[08:09] <Upu_M0UPU> looks good jcoxon
[08:09] <Upu_M0UPU> mine popped at 5k so you have some head room yet
[08:10] <jcoxon> Upu_M0UPU, not as much as before sunrise though :-p
[08:10] <jcoxon> interesting that sunrise had an effect but sunset didn't really
[08:11] <Upu_M0UPU> so slow lol
[08:11] <Upu_M0UPU> awesome for keeping it in range of the stations
[08:12] <Elwell> ~.
[08:12] <Elwell> lagged
[08:14] <jcoxon> still climbing...
[08:14] <jcoxon> over to 4400m mark
[08:19] <Elwell> should have put an AIS transponder on it :-)
[08:19] <Upu_M0UPU> might have needed a few more balloons for that
[08:20] <jcoxon> hehe
[08:21] <mfa298> that would probably confuse a lot of boats out there
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[08:28] <griffonbot> Received email: A. Coghlan "[UKHAS] Re: CAA application"
[08:28] <griffonbot> Received email: A. Coghlan "[UKHAS] Re: Horizon 2 Launch Announcement - 9th March 2013 - Walsall, UK"
[08:30] <jcoxon> next 24hours of prediction
[08:30] <jcoxon> http://ready.arl.noaa.gov/hysplitout/16472_trj001.gif
[08:30] <jcoxon> at this altitude
[08:30] <Upu_M0UPU> back towards me
[08:30] <Upu_M0UPU> yay :)
[08:30] <Upu_M0UPU> one thing is for sure you're not going to loose this one for lack of coverage
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[08:30] <jcoxon> yeah
[08:31] <jcoxon> mooooore data
[08:31] <Upu_M0UPU> I would genuinely like to see one of these things run out of battery in the air
[08:31] <jcoxon> ooooo out of powersaving
[08:32] <jcoxon> and back in
[08:33] Nick change: Darkside_ -> Darkside
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[08:34] <x-f> morning, all-night floaters
[08:34] <Morseman> How many balloons did Pico have at start?
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[08:35] <jcoxon> Morseman, just 1
[08:35] <x-f> what does the power saving mode change?
[08:35] <jcoxon> how much the gps draws
[08:36] <jcoxon> but its not particularly stable mode
[08:36] <jarod> costyn
[08:36] <jcoxon> so you need to be ready to drop out
[08:36] <jarod> did you launch the ballon yet?
[08:36] <jarod> i was alseep all day yesterday :P
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[08:37] <Elwell> 'all-night floaters' sounds like something you discover in the bathroom the morning after the night before...
[08:37] <Morseman> Or a 70s pop group
[08:37] <x-f> depends on your perception :)
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[08:38] <Morseman> Must dig out arduino and set up again
[08:38] <x-f> jarod, it was yesterday and all went very well, you should have seen the live streaming and all!
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[08:39] <jcoxon> hehe i'm just watching altitude vs max altitude
[08:39] <Darkside> the hell, is yours still going jcoxon ?
[08:40] <jcoxon> yup
[08:40] <Darkside> jaysus
[08:40] <Darkside> actually
[08:40] <Darkside> its not up to 24 horus it is
[08:40] <jcoxon> no
[08:40] <Darkside> hours*
[08:40] <Darkside> movint veeery slowly
[08:40] <Darkside> what woudl be nice is a speed field
[08:40] <Darkside> i'm sure habitat could produce one of those
[08:41] <jcoxon> Speed: very slow
[08:43] <mfa298> i tried guestimating speed based on times and google maps scale and came up with ~10mph
[08:46] <jcoxon> if we had an uplink
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[08:46] <jcoxon> we could do London to Paris comms
[08:46] <jcoxon> :-p
[08:46] <Darkside> lol
[08:46] <Darkside> should have included it!
[08:46] <jcoxon> next time...
[08:47] <Darkside> though it means having the payload switch to RX for a bit
[08:47] <Darkside> or does it already do that?
[08:47] <jcoxon> yeah upsetting the freq stability
[08:47] <jarod> x-f slept :/
[08:47] <jcoxon> Darkside, no one has retuned it seems in 12 hours
[08:47] <Darkside> jcoxon: yeah, thats why i had a lead-in before transmitting RTTY on mine
[08:47] <Darkside> its probably at a stable temperature
[08:48] <GMT> I left my system running all night, sigs quite weak now
[08:49] <Morseman> What is Picotext going to do please? Can't find details with a Google search
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[08:51] <jcoxon> wow, whats with the sudden jump in altitude
[08:51] <jcoxon> messing with my graph
[08:52] <Morseman> seems to be decending a bit now
[08:53] <Morseman> and back up again
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[08:56] Action: jcoxon would like it to settle down at an altitude please
[09:02] <NigelMoby> morning
[09:02] <NigelMoby> how's it doing Jcoxon?
[09:02] <costyn> nice
[09:03] <jcoxon> NigelMoby, still going, risen with warming at sunrise
[09:03] <Upu_M0UPU> bobbing along
[09:03] <jcoxon> just try to see if it re-establish a float for the day
[09:03] <NigelMoby> ooo thought it might do that fingers crossed it'll settle
[09:04] <jcoxon> because of the rise we don't have as much flexbility with altitude
[09:04] <jcoxon> as in we are getting to burst altitude
[09:05] <RocketBoy> hey jcoxon - nice flight so far - just settling int the daytime height
[09:05] <NigelMoby> good point
[09:05] <jcoxon> the ideal situation is it settle down now
[09:06] <jcoxon> (and if it does i don't see why it won't keep floating during the day)
[09:06] <NigelMoby> settle at 4500 would be nice
[09:06] <jcoxon> then once we hit sunset it descends a little as the temp drops
[09:06] <RocketBoy> yeah - that will depend on how much stretch there has been and how elastic the envelope is
[09:08] <jcoxon> all big IFs
[09:08] <jcoxon> especially if it keeps jumping up like this
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[09:09] <jcoxon> just keeps squeezing up a little higher
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[09:09] <Jess--> is pici going for a round britain tour
[09:09] <Jess--> pico even
[09:09] <NigelMoby> its teasing you james
[09:10] <jcoxon> i guess its still warming up
[09:11] <NigelMoby> yup, if its not burst by midday you should be ok..?
[09:11] <jcoxon> NigelMoby, i assume so
[09:11] <RocketBoy> yeah there must be a run-away point with plastic creep - just don't know where it is
[09:11] <jcoxon> unexplored territory
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[09:12] <NigelMoby> indeed
[09:13] <Upu_M0UPU> what did PAVA get too max altitude yesterday ?
[09:13] <Upu_M0UPU> Export telemetry isn't working and map has been cleared
[09:13] <Jess--> if it makes it to 15:00 will it be the first pico to make 24 hours or has it been done before?
[09:14] <jcoxon> Jess--, http://wiki.ukhas.org.uk/projects:microballoons:data
[09:15] <Upu_M0UPU> nah I think one of jcoxon's did 27 hours
[09:15] <Upu_M0UPU> lost contact
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[09:15] <jcoxon> Upu_M0UPU, ummm which one was that?
[09:16] <Upu_M0UPU> that one that went to Sweden ?
[09:16] <jcoxon> http://wiki.ukhas.org.uk/projects:picoatlas:picoatlasvii
[09:16] <jcoxon> nah wasn't so long as that
[09:16] <Willdude123> Why are there a lot of launches today?
[09:17] <Jess--> it seems that what pico's lack in height they make up for in range
[09:17] <Upu_M0UPU> ok
[09:17] <Upu_M0UPU> does any one know what PAVA burst at yesterday ?
[09:17] <Upu_M0UPU> trying to fill out the Wiki page
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[09:18] <Willdude123> How is pico still being tracked?
[09:19] <Willdude123> Isn't it too far off the channel?
[09:19] <mfa298> I think mattbrejza may have taken screen shots before clearing the map but he might be getting ready for his aunch
[09:19] <G0DJA> Willdude123 it was yesterday (not USA date convention)
[09:19] <jcoxon> Upu_M0UPU, 5606
[09:19] <Upu_M0UPU> thx
[09:19] <jcoxon> export is working
[09:19] <jcoxon> but i searched by payload
[09:19] <Upu_M0UPU> doesn't seem to work for me
[09:19] <Willdude123> Oh, OK. But it's updating for some reason.
[09:20] <jcoxon> Willdude123, its still within range
[09:20] <G0DJA> Mind you if assume USA date it would have been last month anyway! Sorry
[09:20] <jcoxon> cause its high up there is a better line of sight
[09:20] <Upu_M0UPU> the big blue circle indicates the area in which it should be recievable
[09:21] <Willdude123> So it was launched yesterday, but still flying?
[09:21] <jcoxon> yes
[09:21] <Upu_M0UPU> so thats South East England and Northern France
[09:21] <Upu_M0UPU> yep "floater"
[09:21] <Willdude123> No camera on board I take it.
[09:21] <Upu_M0UPU> nope just a light weight radio tracker
[09:22] <Willdude123> Any chance of recovery?
[09:22] <Upu_M0UPU> depends when and where it bursts
[09:22] <Upu_M0UPU> if it did it now, no not much :)
[09:22] <Upu_M0UPU> its meant to follow this path :
[09:22] <Upu_M0UPU> http://ready.arl.noaa.gov/hysplitout/16472_trj001.gif
[09:22] <Willdude123> Burst by the looks of it.
[09:23] <Upu_M0UPU> no
[09:23] <Willdude123> Oh no, why was it showing negative values?
[09:23] <Upu_M0UPU> its just bobbing about like a ball floating on a pond
[09:23] <jcoxon> eek, no one mention burst unless it really has!
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[09:24] <Willdude123> Where was it launched, looks like somewhere in Newcastle?
[09:24] <Upu_M0UPU> float is a point of balance
[09:24] <jcoxon> bbl, will someone contact me if things change...
[09:24] <Upu_M0UPU> rgr
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[09:24] <Upu_M0UPU> but with winds and they like just like ripples in a pond it may go up and down slightly
[09:25] <Upu_M0UPU> if you see > -2m/s for three consecutive positions thats probably a decent
[09:25] <G0DJA> Willdude123 Which map you looking at? It was in Norfolk not far from Ipswitch
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[09:25] <daveake> The B word needs banning :-)
[09:25] <daveake> Used only if actually true
[09:25] <G0DJA> Or even Ipswich
[09:25] <chrisstubbs> PICO has been running quite some time now and i still have it with a very strong signal! When are the batteries due to run out?
[09:25] <Willdude123> The trajectory thing.
[09:26] <Elwell> daveake: you mean you have a highlight on the b word?
[09:26] <chrisstubbs> Willdude123, suffolk
[09:26] <Upu_M0UPU> chrisstubbs they should be good for 45 hours+ start time was 14:30 yesterday
[09:26] <Geoff-G8DHE> Morning PICO http://360.g8dhe.net\HAB_Flights\PICO\PICO_11.jpg
[09:26] <Willdude123> Are you intending on going to France for it's recovery?
[09:27] <Geoff-G8DHE> http://360.g8dhe.net/hab_flights/pico/pico_11.jpg
[09:27] <Elwell> sadly it;s a bit far north for me to go and pick it up
[09:28] <chrisstubbs> Willdude123, he is hoping it swings back over into the uk. not sure if he is too worried about recovery as its only a pico
[09:28] <chrisstubbs> im sure it would be nice to get back though
[09:29] <Willdude123> I'm going to Alencon on the French Exchange soon, but I don't know how to translate "I know someone who does high altitude ballooning and I want to get his payload back, so can we go a gazillion miles north please"
[09:29] <Willdude123> *?
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[09:31] <G0DJA> Widedude123 this is where it was launched - On the tracker you can zoom in on the map http://s1353.beta.photobucket.com/user/David_Ackrill/media/PICOlaunch_zps909c48a5.jpg.html
[09:32] <Upu_M0UPU> Willdude123 J'ai un ami avec de grosses boules roses, nous avons besoin de les récupérer.
[09:32] <Upu_M0UPU> and seriously don't say that
[09:32] <daveake> Ko ol
[09:32] <daveake> Lol
[09:32] <daveake> Silly kbd
[09:33] <Willdude123> Heh.
[09:33] <Upu_M0UPU> See http://alerte-radiosondes.blogspot.co.uk/
[09:33] <Upu_M0UPU> I love the translations : GREAT DAY: PICO-ATLAS-9 play along!
[09:33] <Upu_M0UPU> There was no indication on the autonomy of food?
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[09:34] <Willdude123> Why do PICO payloads fly for longer? Is the ascent longer?
[09:34] <Upu_M0UPU> they use foil balloons
[09:35] <Upu_M0UPU> latex ones expand till they pop
[09:35] <Upu_M0UPU> foil ones stop expanding but stop climbing too
[09:35] <Upu_M0UPU> Get Dan-K2VOL to explain it to you some time, just tell him how old you are first so he does't go all Balloon PhD on you :)
[09:35] <Willdude123> He has a balloon PhD?
[09:36] <chrisstubbs> do the foils pop when they come back down, or just leak a bit and lose boyancy?
[09:36] <Upu_M0UPU> might as well have
[09:36] <daveake> They split
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[09:37] <fsphil> morning all. interesting little diversion on pico
[09:37] <Willdude123> I am wondering, I'd quite like to track some balloon flights, and maybe my own one day, but the fancy radios are a bit expensive for me so if I used a TV tuner with a HABamp, would it be suitable for tracking my own device?
[09:38] <Willdude123> *payload I mean
[09:39] <chrisstubbs> Willdude123, they are extremley good value for money! sometimes a little buggy but very good for starting
[09:39] <Willdude123> What's an SMA?
[09:39] <chrisstubbs> fsphil, yeah it danced around a bit before it changed too
[09:39] <daveake> Coax connector
[09:40] <chrisstubbs> SMA is a little connector, simalar to the ones you get on wifi antennas
[09:40] <daveake> Same as :-)
[09:40] <chrisstubbs> just reversed polarity
[09:40] <Willdude123> Like the round ones that TV aerials go into?
[09:40] <daveake> Smaller
[09:40] <Adam012> Would anybody be able to add Hoizon 2's Flight Doc to the tracker? Doc ID: 865f80079585eb13aa6fa7bc9265561a
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[09:41] <chrisstubbs> same concept. just supposedly much more efficient at conducting rf at the right frequency
[09:41] <chrisstubbs> they are more simalar to a satelite tv connector as they are threaded, but about half the size
[09:42] <Willdude123> So how would I fit the thing? Also, what are the in/out connectors on here http://ava.upuaut.net/store/image/cache/data/2012-08-29%2011.47.49-500x500.jpg ?
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[09:43] <chrisstubbs> they are SMA too, just slightly longer
[09:44] <Upu_M0UPU> Willdude123 it comes down really to the antenna
[09:44] <Willdude123> Okay.
[09:45] <Upu_M0UPU> if you can get a Watson or Diamond colinear up on the roof you should be set
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[09:46] <Upu_M0UPU> Diamond X50 or Watson W50
[09:47] <Willdude123> I don't have much experience fitting antennae to rooftops, unfortunately.
[09:47] <Upu_M0UPU> neither did I which is why I paid someone
[09:47] <Upu_M0UPU> or you can just stick it on a big pole like daveake does and hoist it up on launch day
[09:47] <chrisstubbs> fitting mine to the side of the house was scary to say the least :P
[09:47] <Willdude123> How much would it cost?
[09:47] <Upu_M0UPU> the antenna is about £50-£60
[09:47] <Upu_M0UPU> some coax will be £20 with some plugs
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[09:48] <Willdude123> What about the homemade yagis?
[09:48] <Upu_M0UPU> however you'll need to speak to the parents I suspect :)
[09:48] <Upu_M0UPU> they will work as well but they are directional so you'll need to constantly point them
[09:48] <Upu_M0UPU> right I need to go shopping
[09:48] <Upu_M0UPU> back later on
[09:48] <chrisstubbs> laters upu
[09:49] <mfa298> it's possible to make various antennas but if they're mounted outside you need to make sure they're waterproof
[09:50] <Willdude123> Not sure if the parents would be too happy about having an antenna on the roof.
[09:51] <chrisstubbs> perhaps a temporary antenna on an extendible pole would be more viable for you then
[09:51] <craag_M0DNY> Have you got a loft you could put one in?
[09:51] Nick change: craag_M0DNY -> craag
[09:51] <Adam012> @Upu - how much did fitting cost you?
[09:53] <mfa298> with the right size antenna it is possible to poke it out a window when your using it. however it does limit what you can pick up.
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[09:53] <Willdude123> Yeah, I have got a loft, but it's not very large.
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[09:54] <craag> Willdude123: maybe you could try a homemade quarter-wave antenna (similar to what we put on the payloads) in your loft and see how that works.
[09:54] <Adam012> @Willdude123 Explain to them what you want to do and why. A good fitter will have it all installed for you fairly easily, What you need to really plan is where the cable isgoing to come into the house and how you will then get it to the equipment you want to connect.
[09:55] <Willdude123> Okay.
[09:56] <craag> If that looks promising, then putting a watson w-50 or similar up there instead would pull in a bit more signal. It won't be nearly as good as having it on a dedicated mast outside, but much much easier to put up, access, and cheaper!
[09:57] <Elwell> anyone here have one of these? http://www.arrowantennas.com/arrowii/146-437.html
[09:58] <Adam012> Would anybody be able to add Hoizon 2's Flight Doc to the tracker? Doc ID: 865f80079585eb13aa6fa7bc9265561a
[10:00] <craag> Adam012: try asking in #habhub
[10:00] <jonsowman> Adam012: done
[10:01] <Adam012> Thankyou,
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[10:01] <chrisstubbs> Willdude123, http://flic.kr/p/dREGAM thats my setup. The X50 is a fake chinese one for £40. Pole was £10 from screwfix and the mounting brackets were a fiver each.
[10:01] <Willdude123> What does power:200 watt mean?
[10:01] <Adam012> I didn't realise there was a #habhub channel
[10:01] <chrisstubbs> Willdude123, the maximum power you can transmit from the antenna
[10:02] <chrisstubbs> if you are just using an SRD it wont matter
[10:02] <chrisstubbs> *SDR
[10:02] <Willdude123> Yeah.
[10:03] <craag> Wow. Rob, M0DTS just emailed me the setup he used to receive fizzle yesterday.
[10:03] <Willdude123> Unfortunately, I don't the an x-50 would fit anywhere but on my house.
[10:03] <Willdude123> Or a w-50.
[10:03] <craag> 3m steerable dish with a 25dB masthead preamp..
[10:04] <fsphil> of Rob's involved, it's gotta be mental
[10:04] <fsphil> yep
[10:04] <chrisstubbs> craag any photos?
[10:04] <fsphil> lol
[10:04] <craag> chrisstubbs: unfortunately not
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[10:04] <fsphil> you going to fly it again craag?
[10:05] <chrisstubbs> Willdude123, the first balloon i tuned into was with my SDR, no HABAMP and a yagi made from a lump of wood and some copper cable
[10:05] <chrisstubbs> the yagi was just pointing out of my window. from that point i was hooked haha
[10:06] <Willdude123> Hmm...
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[10:07] <craag> fsphil: I'm going to replace the rfm22, then as soon as possible!
[10:07] <chrisstubbs> If i were you. i would get the SDR and maybe the habamp at the same time (to save on postage) and have a play, build some antennas and see how it goes
[10:07] <fsphil> excellent
[10:08] <fsphil> you think it was a faulty module?
[10:08] <x-f> i agree with chrisstubbs - start in small steps, then evolve
[10:08] <craag> I did get a lot of data on the ascent, nearly 1hz positions, bearings and speed for most of it. Didn't get uploaded to habitat due to rubbish internet in a 10 mile radius of that launch site :(
[10:08] <craag> So I have a text file to parse..
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[10:09] <craag> fsphil: I think so. When I picked it up off the ground it was doing 1 string at high power, 1 at low, alternately. Obvious due to the heating/cooling causing it to drift each time.
[10:10] <craag> I rebooted it and it still did it, altho every 3 strings or so.
[10:10] <fsphil> weird
[10:11] <craag> I don't think it likes being switched into rx mode and back in the middle of the interrupt loop. Maybe some interrupt routine fired when it was in the wrong mode, causing it to enter an unknown state.
[10:11] <Willdude123> Is SDR possible on Linux?
[10:12] <chrisstubbs> just noticed i keep getting the CURL error on dl-fldigi when it trys to upload every now and again
[10:12] <fsphil> what's the error chrisstubbs?
[10:12] <x-f> Willdude123, yes
[10:12] <fsphil> Willdude123: very much so
[10:12] <fsphil> I'm doing it right now infact :)
[10:12] <chrisstubbs> i will printscreen it next time it happens fsphil
[10:14] <craag> chrisstubbs: Latest version, 3.21.50?
[10:14] <chrisstubbs> hang on.. paints crashed.....
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[10:15] <mfa298> Willdude123: this is the sort of antenna setup I use for tracking habs https://www.dropbox.com/s/39eb6jqo16qy67y/IMAG0092.jpg?m
[10:16] <x-f> we got 10 cm of snow last night, and heavy winds are still on, i suspect my diy antennas on the roof haven't survived through their first storm
[10:16] <lz1dev> ping Upu_M0UPU pava on map
[10:17] <Geoff-G8DHE> The error in dl-fldigi http://360.g8dhe.net/HAB_Flights/error.JPG
[10:17] <Geoff-G8DHE> severa people reported seeing it yesterday as well
[10:17] <chrisstubbs> yes thats the one
[10:19] <chrisstubbs> http://chris-stubbs.co.uk/hab/curl%20err.jpg same
[10:19] <craag> at least fizzle didn't conk out at 12km. I put a lot of time into checking that it seemed to be going into flight mode!
[10:20] <fsphil> haha
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[10:20] <fsphil> once thing I've noticed about 869mhz is it's quite empty
[10:21] <Geoff-G8DHE> Apart from weather stations like the one set next to me :-(
[10:21] <Morseman> Anyone know what freq PAVA is on please?
[10:22] <craag> fsphil: Yeah. I also had weird problems at the launch site with the funcube.
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[10:22] <fsphil> somewhere near 434.350 Morseman
[10:22] <x-f> 1500 UTC AVA - 434.525 West Yorkshire, UK
[10:22] <Morseman> Thanks x-f
[10:22] <craag> Plugging any sort of antenna into it seemed to cause it to overload and lose decodes, even when the payload was lying on the ground 50 feet away.
[10:22] <x-f> (i haven't refreshed the map yet)
[10:22] <Morseman> and fsphil - but different - :-)
[10:23] <craag> This continued until the payload was up at about 1km altitude.
[10:23] <Morseman> I'll retune
[10:23] <craag> (during this time I was getting decodes with no antenna attached.
[10:23] <fsphil> Morseman: oh I meant PICO
[10:23] <fsphil> PAVA landed
[10:24] <fsphil> yesterday
[10:24] <Geoff-G8DHE> PICO 434,348,480
[10:24] <mfa298> Morseman: I think PAVA is on the ground having landed
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[10:24] <G0DJA> I was listening to PICO but well out of range now
[10:24] <G0DJA> Will listen for PAVA later
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[10:25] <G0DJA> It's poped back up on the map
[10:25] <fsphil> yea someone's out to recover it
[10:25] <fsphil> must still be transmitting from the field
[10:25] <Willdude123> I guess for my own payload, I'd have to get the antenna mounted.
[10:25] <fsphil> yea, kipman
[10:25] <mfa298> I think PAVA is from someone trying to recover it
[10:26] <fsphil> kpiman even
[10:26] <fsphil> he lives about 30 minutes from the landing site
[10:26] <fsphil> PICO is floating again
[10:26] <fsphil> nice
[10:27] <Willdude123> Also, would I need to have a chase car?
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[10:27] <G0DJA> PAVA wasn't far from me either by look of it
[10:28] <Geoff-G8DHE> Is there a current prediction for PICO ?
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[10:28] <chrisstubbs> Geoff-G8DHE, http://ready.arl.noaa.gov/hysplitout/16472_trj001.gif was the last
[10:29] <chrisstubbs> Willdude123, only if you are planning to "chase"
[10:29] <chrisstubbs> eg actually go and help someone find it in the field
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[10:29] <Geoff-G8DHE> Tks - does anyone else have dns problems with that site ?
[10:30] <chrisstubbs> noaa, seems to work fine for me
[10:30] <Geoff-G8DHE> Strange it always takes a dozen retries and ping rarely gets there for me odd
[10:30] <fsphil> hmmm.. cloudflare is offline?
[10:31] <fsphil> Geoff-G8DHE: my own site just went offline, seems to be cloudflare's dns service
[10:32] <Geoff-G8DHE> Not on Cloudflare, I have my own DNS on the server then back up via BE.THERE
[10:33] <craag> Willdude123: The best thing might be for you to find someone who's willing to let you piggy-back a payload on their flight, putting forward a bit of cash for the extra helium, perhaps a bigger balloon. That way you could follow the chase, or not, and it won't be such a big issue if something goes wrong with the payload.
[10:33] <fsphil> oh my site is back now
[10:33] <Geoff-G8DHE> <fsphil> What is the URL ?
[10:34] <fsphil> www.sanslogic.co.uk
[10:34] <fsphil> dns was saying it didn't exist for a while
[10:34] <Willdude123> As in a dual payload flight?
[10:35] <fsphil> The Hitchhickers Guide to HABing
[10:35] <craag> Willdude123: yeah
[10:35] <fsphil> actually that's how I did my first flight
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[10:36] <Geoff-G8DHE> Right nice and clean
[10:36] <craag> You'd need to co-ordinate it well so the person organising it knows exactly how heavy your payload is, and can plan the fill and burst. Also try to make it as little extra effort for them as possible.
[10:37] <Geoff-G8DHE> time to find some food, methinks
[10:37] <Willdude123> But then again, what's the point in 2 payloads?
[10:38] <fsphil> backup
[10:38] <craag> Willdude123: You get to send something up, snap pictures and whatever, with far less risk and more experience to guide you, than if you did it by yourself.
[10:38] <fsphil> experimentation
[10:38] <fsphil> being the second payload is what allowed me to try sending jpeg data at 300 baud
[10:39] <Willdude123> I guess the first payload could have all the sensors and the second could have the camera and the telemetry equipment.
[10:39] <daveake> 300? That's so 2012 .... ;)
[10:39] <fsphil> hah
[10:40] <Willdude123> SSDV, right?
[10:40] <fsphil> yea
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[10:41] <craag> Willdude123: I'm saying build yours as one payload, but get someone else to take it up on their launch, with their payload as well.
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[10:41] <chrisstubbs> got a different CURL error this time
[10:41] <craag> You'd just need to cover cost to avoid inconveniencing them.
[10:41] <chrisstubbs> couldent connect to server
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[10:41] <chrisstubbs> oh thats my end, wifi dropped :(
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[10:44] <craag> imgur down for anyone else?
[10:45] <lz1dev> works here
[10:45] <lz1dev> http://isitdown.co.uk/imgur.com
[10:46] <chrisstubbs> is spacenear.us or habitat cabable of calculating ground speed using the gps coords and time?
[10:46] <chrisstubbs> or does that calculation need to be done on the payload and sent back
[10:46] <craag> lz1dev: Thanks. virgin media fail again.
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[10:48] <gonzo_mob> pico still going strong. was still decoding when I woke up. only moved a few 100 hz 0
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[10:51] Nick change: priyesh_ -> priyesh
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[10:51] <NigeyS> jcoxon, what is it doing?! lol
[10:52] <daveake> Yeah, PICO is more stable than a Tesco Value Burger warehouse
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[10:52] <craag> I don't think it likes the look of france much..
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[10:52] <craag> daveake: Took me a while, LOL.
[10:52] <daveake> :)
[10:53] <jcoxon> has it sped up a bit
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[10:54] <jcoxon> Pava must be in that field
[10:54] <jcoxon> on the ground
[10:55] <Willdude123> Would anyone be willing to let me piggyback a payload on their flight?
[10:56] <daveake> Probably. Whereabouts are you?
[10:57] <jcoxon> again i'm going to be away for a couple of hours
[10:57] <jcoxon> contact me if their is a change...
[10:57] <NigeyS> jcoxon, how do iput -0.159 into hysplit, its having a fit¬
[10:57] <Willdude123> Oakley, near Basingstoke.
[10:57] <mfa298> nice short strings from picotex (not launched yet - but I can hear it)
[10:57] <jcoxon> 360 - 0.159
[10:58] <daveake> Ah not far. Sure, so long as my flight isn't an altitude attempt or floater
[10:58] <NigeyS> The source location you chose is not within the chosen meteorological data domain.
[10:58] <NigeyS> Go back and choose a different meteorological data set.
[10:58] <NigeyS> grrrr
[10:58] <jcoxon> have you changed it to GFS?
[10:58] <jcoxon> bye
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[10:58] <NigeyS> yup, it did this yesterday let me try chrome..
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[11:00] <Willdude123> daveake: Should I get a tracking setup of some sort set up at my home?
[11:00] <daveake> Well that's a good thing to do anyway
[11:01] <Upu_M0UPU> hey lz1dev
[11:01] <daveake> Get an SDR and, preferably, a habamp too
[11:01] <daveake> You can make an aerial
[11:01] <Upu_M0UPU> kpiman said he was going to have another look for it today
[11:01] <Upu_M0UPU> I guess he's there
[11:01] <Willdude123> And just go outside and stick it in whatever direction I want to?
[11:01] <NigeyS> http://ready.arl.noaa.gov/hysplitout/10526_trj001.gif
[11:02] <NigeyS> shifted east again :|
[11:02] <daveake> Well, vertically is good :)
[11:02] <Willdude123> *whatever direction I need to
[11:02] <daveake> For a vertical :)
[11:03] <Willdude123> How do I make them and what out of? Also, I have no idea how I'll design the payload, and all the PCB and stuff.
[11:03] <Upu_M0UPU> One step at once Willdude123
[11:03] <Upu_M0UPU> break it down into chunks
[11:03] <Upu_M0UPU> get an Arduino blinking an LED
[11:03] <daveake> All all those chunks have been documented
[11:03] <lz1dev> Upu_M0UPU: ok, i suspected somebody was attempting to recover it :)
[11:03] <Upu_M0UPU> the get it transmitting (as the code is almost identical)
[11:03] <Upu_M0UPU> then make it transmit something sensible
[11:04] <Upu_M0UPU> it will come together slowly
[11:04] <Upu_M0UPU> you'll understand whats going on
[11:04] <Upu_M0UPU> I think they are
[11:04] <Upu_M0UPU> Kpiman said he was going to head back out this morning
[11:04] <Willdude123> I've got an arduino uno, are pros better for payloads?
[11:04] <daveake> HAB isn't complex, but there are lots of different things to learn and as Upu says, take it one step at a time
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[11:04] <daveake> Yes but Uno is fine
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[11:05] gonzo_ (~gonzo_@ joined #highaltitude.
[11:05] <daveake> I like the mini pro as it's tiny, weighs very little, and (if you get the right one) uses 3.3V logic
[11:05] <Willdude123> I've done the blinking LED before. Perhaps I'll do all my testing on a uno, and order a mini pro later.
[11:05] <daveake> On the downside it's more fiddly to use, and you need to buy a programmer
[11:05] <Upu_M0UPU> that is a very good idea
[11:05] <Upu_M0UPU> I think someone is having a laugh : http://www.ebay.co.uk/itm/NEW-ICOM-IC-R10-COMMUNICATIONS-RECEIVER-IC-R10-ICR10-R-10-SCANNER-BOXED-/121075246501?ssPageName=ADME:B:SS:GB:1123
[11:06] <daveake> Make a Best Offer: £60
[11:06] <Willdude123> Because it is claimed as new???
[11:06] <Upu_M0UPU> I don't think it was that much new tbh Will
[11:07] <Willdude123> I'll start by getting a TV tuner dongle and a habamp, then build an antenna, and then get a radio module.
[11:07] <Upu_M0UPU> PICO is drawing an enormous arse towards france
[11:07] <chrisstubbs> Willdude123, the RFM22B is so cheap you may as well get it at the same time
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[11:08] <Willdude123> I am guessing that the total cost of this project will be over 250 quid.
[11:08] <craag> I'd suggest starting with an NTX2 to be honest.
[11:08] <Nigey|> lol upu
[11:08] <chrisstubbs> Upu_M0UPU, HAHA
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[11:08] <Upu_M0UPU> I would second the NTX2
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[11:08] <daveake> Definitely
[11:08] <Upu_M0UPU> thats realistic Will
[11:08] <Willdude123> Is that the one Upu sells?
[11:08] <chrisstubbs> good advice from cragg actually. its another less thing to worry about
[11:09] <Upu_M0UPU> I sell both
[11:09] <daveake> NTX2 has this simple logic: If Power Then Signal
[11:09] <Darkside> well
[11:09] <Darkside> if you pull TXD high
[11:09] <Willdude123> That makes sense.
[11:09] <Darkside> wait
[11:09] <Darkside> EN high
[11:09] <daveake> True DS :)
[11:09] <Darkside> so... tie EN high
[11:09] <Darkside> so if there is power, you get signal
[11:10] <Willdude123> Okay.
[11:10] <craag> fsphil: What module were you planning on using for 869 btw?
[11:10] <daveake> Yep. I always do that. No dange of a complete cock up (assuming the antenna is connected <cough>)
[11:10] Action: Upu_M0UPU looks at daveake
[11:10] Action: daveake looks back, sheepishly
[11:11] Action: Willdude123 looks at Upu_M0UPU because he has no idea why the heck they just 'looked' at each other.
[11:11] <Nigey|> :|
[11:11] Nick change: Nigey| -> NigeyS
[11:11] <daveake> Because Upu spotted that PIE4's aerial had an SMA-RP plug on the end (female) not SMA (male)
[11:11] <Upu_M0UPU> Dave has many skills, he is one with the wind, and one with the ops I forgot to connect the antenna properly
[11:12] <Upu_M0UPU> which would have been fine on the ground :)
[11:12] Action: daveake has since ordered some cables with the right plug on the end
[11:12] <GMT> is it not the done thing to jam the coax into the socket with a broken-off matchstick?
[11:12] <SpeedEvil> no
[11:12] <Willdude123> I'm not sure my parents would be too happy about the overall cost either.
[11:12] <Upu_M0UPU> I actually said to Caroline just before she started recording that video yesterday "I need to be like Dave, one with the wind"
[11:13] <SpeedEvil> you should mash up a banana, and use it as an adhesive, then hammer it in with a coconut
[11:13] <gonzo_mob> matchsticks are not for coax. they are designed for mains sockets
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[11:13] <GMT> is there a requirement for six-inch nails in HABing?
[11:13] <NigeyS> haha jules!
[11:13] <daveake> lol Upu_M0UPU
[11:14] <gonzo_mob> only light nails
[11:14] <daveake> I've often heard people say "Dave is with the wind"
[11:14] <gonzo_mob> unless you are stateside
[11:14] <Willdude123> When I get to year 10 at school, I'm supposed to have a pocket money hike, so maybe I'd be better off then to afford it.
[11:14] <gonzo_mob> only tjose stuck in tge chase car with him!
[11:14] <daveake> s/only/especially/
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[11:15] Action: Willdude123 sighs
[11:15] <Upu_M0UPU> Have you got an Arduino Will ?
[11:15] <daveake> At least the 4x4 has more space to dilute the effect
[11:16] <daveake> Willdude123 If you can make a tracker, I'll fly it for you no cost
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[11:16] <gonzo_mob> i used to run lpg. so if i was undignified in someone else's car. i'd just say it was something towards the fuel
[11:16] <daveake> So all you need are the GPS, NTX2, batteries/holder, and SDR for testing
[11:16] <daveake> hah
[11:17] <jcoxon> Pico still flying?
[11:17] <NigeyS> jcoxon, yup
[11:17] <daveake> yeah no change
[11:17] <Upu_M0UPU> yep jcoxon
[11:17] <NigeyS> forcast has changed somewhat
[11:17] <NigeyS> http://ready.arl.noaa.gov/hysplitout/10526_trj001.gif
[11:17] <daveake> I think it may have moved not sure :)
[11:17] <Upu_M0UPU> making an huge arse towards France at the moment
[11:17] <NigeyS> its just starting to head inland now
[11:17] <GMT> PICO flight-path is showing like a pair of buttocks towards France
[11:18] <gonzo_mob> using upu bits for ntx2 and gps, my tracker costs about 50squids total. inc batts
[11:18] <daveake> hah excellent
[11:18] <Willdude123> daveake: And huge antenna.
[11:18] <Willdude123> Upu: Yeah.
[11:18] <Upu_M0UPU> PM Will
[11:18] <Randomskk> antenna ain't expensive
[11:18] <daveake> Willdude123 For testing just a lil piece of wire, if that. I'll provide the rest on the day.
[11:20] <jcoxon> Altitude currently?
[11:20] <daveake> 4789
[11:20] <Upu_M0UPU> bumping up and down
[11:20] <NigeyS> -0.4m/s
[11:21] <NigeyS> its gonna float around there till sunset probably james.
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[11:21] <jcoxon> Cool cool
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[11:22] <jcoxon> will check in later
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[11:22] <NigeyS> totally avoiding wales now too :(
[11:22] <Upu_M0UPU> probably best
[11:22] <NigeyS> boo! :p
[11:22] <NigeyS> lol
[11:22] <NigeyS> should fly right over daveake
[11:23] Action: daveake Puts money on it landing in the Peak Destrict aka the Pico Graveyard
[11:23] <daveake> i
[11:23] <NigeyS> oh god please no!
[11:23] <daveake> Yeah I need it going north so I can head up the stats :)
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[11:23] <Upu_M0UPU> one things for sure
[11:23] <NigeyS> you still using the colinear ?
[11:23] <Upu_M0UPU> its won the slowest payload ever
[11:24] <NigeyS> yes upu, i was trying to work out ground speed last night, was so slow i gave up :|
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[11:24] <daveake> yes NigeyS
[11:24] <lz1dev> 3.0 m/s horizontal
[11:24] <lz1dev> :(
[11:24] <NigeyS> daveake, you get some pretty far decodes for a colinear, you on a hill by any chance ?
[11:24] <daveake> You could chase this one on foot
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[11:25] <daveake> Hill-ish yes
[11:25] <NigeyS> ahh
[11:25] <daveake> 185m
[11:25] <NigeyS> pff
[11:25] <NigeyS> 17m :(
[11:25] <daveake> there are higher hills around but not in that direction
[11:25] <NigeyS> sod it im moving to brecon!
[11:25] <daveake> :)
[11:26] <NigeyS> no lights, lots of hills, but no net, hmmm
[11:26] <daveake> Yesterday went to Marlborough for some shopping. It's deep in a valley. I thought "I'm never moving to this place" :)
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[11:26] <NigeyS> lol noooooo valleys are bad!!
[11:27] <NigeyS> morning laurence
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[11:28] <GMT> DaveAke: your Tardis adventure has a write-up in The Register, and from there has been picked-up by a few other places too ... you're both famous!
[11:28] <daveake> again
[11:28] <daveake> lol
[11:28] <Upu_M0UPU> haha
[11:28] <daveake> Yeah Upu told them. Lester @ El Reg is helpful :)
[11:29] <NigeyS> Lester is a nutter
[11:29] <Upu_M0UPU> you haven't met him :)
[11:29] <GMT> no such thing as bad Press coverage!
[11:29] <NigeyS> only guy i know brave enough to sit on a canister of hydrogen with a fag in his hand!
[11:29] <fsphil> craag: a radiometrix one, TX3H
[11:30] <fsphil> maybe I should made made my Habs video about lester
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[11:30] <daveake> lol linky ..?
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[11:30] <Upu_M0UPU> lol
[11:30] <Upu_M0UPU> show him fsphil
[11:30] <fsphil> https://www.youtube.com/watch?v=Th8BCFLO9AM
[11:30] <lz1dev> 3/fq 10
[11:30] <craag> fsphil: That looks like a better idea than the rfm22. Also higher power :) Where did you source them from?
[11:31] <NigeyS> lmao phil
[11:31] <fsphil> craag: got it direct from radiometrix
[11:31] <lz1dev> fsphil: were you using hydrogen ? :)
[11:32] <Upu_M0UPU> thats me lz1dev :)
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[11:32] <Darkside> fsphil: bahaha
[11:32] <Darkside> what is that final scene from?
[11:32] <Upu_M0UPU> Threads
[11:32] <fsphil> BBC film called Threads
[11:32] <Darkside> thought so
[11:32] <Upu_M0UPU> great movie if you want a night in with a lady friend
[11:32] <fsphil> quite possibly the most depressing things I've ever watched
[11:32] <fsphil> but also great
[11:32] <Darkside> yewah heard about it
[11:32] <Upu_M0UPU> seriously you're so getting some action after that
[11:33] <daveake> I'll have to pay rental on that cylinder forever now ...
[11:33] <Darkside> lolwat
[11:33] <Upu_M0UPU> </sarcasm>
[11:33] <Darkside> yeah i thought so
[11:33] <Darkside> i've seen "The Day After"
[11:33] <Darkside> that was pretty horrible
[11:33] <Darkside> and "When the wind blows"
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[11:35] <Geoff-G8DHE> Are there any details out about POP1/PICOTEX ?
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[11:35] <fsphil> ooh yes, another launch. forgot about that
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[11:35] <mfa298> Geoff-G8DHE: don''t appear to have launched yet
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[11:36] <Geoff-G8DHE> Ah hadn't refreshed my list
[11:36] <craag> Launch is scheduled for 1200
[11:36] <Darkside> hmm
[11:36] <Darkside> so anyone here watch utopia?
[11:36] <mfa298> but I think both radios are active ( I can just about hear them from the home QTH)
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[11:36] <Darkside> i'm likign it so far
[11:37] <Hix> any recommendations for a dynamic ip system?
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[11:37] <Geoff-G8DHE> ah ha PICO and POP1 might get tangled together given the courses ......
[11:37] <Hix> used no-ip in the past but it needs updating every 30 days
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[11:38] <fsphil> not yet Darkside, I'll probably give it a couple of series to make sure it's not cancelled
[11:38] <Darkside> heh
[11:39] <fsphil> it's not Fox is it?
[11:39] <Darkside> channel 4
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[11:39] <fsphil> ah, not even US
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[11:39] <fsphil> have you seen Black Mirror? it's a pretty good show
[11:40] <fsphil> a bit like outer limits or twilight zone, a different story each week
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[11:43] <mfa298> looks like launch
[11:43] <mfa298> for pop/picotex
[11:43] <mfa298> 434.194 for picotex
[11:45] <griffonbot> Received email: Andrew Cowan "[UKHAS] Trimble Condor C2626 GPS (Lassen IQ replacement)"
[11:45] <Geoff-G8DHE> Getting PICOTEX
[11:46] <Geoff-G8DHE> Sensible man sending "U" before the frame
[11:47] <mfa298> although the short pause every few sentences gets worrying
[11:48] <NigeyS> what balloon is picotex ?
[11:48] <Laurenceb_> need to clean the tracker
[11:48] <Upu_M0UPU> no leave it Laurenceb
[11:48] <mfa298> pop1 looks to be pretty much on .650
[11:49] <Upu_M0UPU> I'll kill the chase cars
[11:49] <Upu_M0UPU> is pop up ?
[11:49] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_1.jpg
[11:49] <mfa298> pop and picotext are on the same baloon i think
[11:49] <Upu_M0UPU> oh
[11:49] <Upu_M0UPU> POP not TXing info ?
[11:50] <Upu_M0UPU> ah ok
[11:50] <Upu_M0UPU> just updated
[11:50] <mfa298> I've just got a 50bd string from pop
[11:50] <Upu_M0UPU> PAVA recovered :)
[11:50] <mfa298> struggling with the 300bd
[11:50] <Geoff-G8DHE> Oh nice 300b fast
[11:50] <lz1dev> Upu_M0UPU: good :)
[11:51] <chrisstubbs> Upu_M0UPU, result! shame the flight was a little short
[11:51] <Upu_M0UPU> have payload will fly again
[11:51] <daveake> Thanks Geoff-G8DHE I forgot about that flight!
[11:51] <Geoff-G8DHE> Switching speeds
[11:51] <Geoff-G8DHE> 50/300
[11:51] <daveake> Yeah, just open dl-fldigi twice
[11:52] <Upu_M0UPU> oh god
[11:52] Action: Upu_M0UPU stabs everyone who thinks its a good idea to switch baud rates in fligth
[11:52] <NigeyS> eek
[11:52] <lz1dev> sounds like a terrible idea
[11:53] <Hix> Upu_M0UPU: can you recommend a free dynamic dns dervice?
[11:53] <Adam012> If I remember there were a lof of flights when I first started tracking over a year ago which used 2 speeds 50/300
[11:54] <Upu_M0UPU> not used one for years Hx but used to use dyndns
[11:54] <Hix> ok cool ta
[11:54] <Upu_M0UPU> Hix even
[11:54] <Geoff-G8DHE> ,daveak. good idea about two windows
[11:54] <Hix> s'ok i got it :)
[11:54] <Hix> 300b typing :)
[11:55] <Geoff-G8DHE> odd waterfall pattern they have a pause in the transition
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[11:56] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_2.jpg
[11:57] <mfa298> lots of fading on pop
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[12:00] <GMT> I've switched to PICOTEX as PICO was a bit weak; when PICO gets nearer I will switch back
[12:00] <F5MVO> Hello all, Pico always up, wonderful
[12:01] <Upu_M0UPU> it is indeed F5MVO :)
[12:01] <Upu_M0UPU> likey to stay up now as well
[12:01] <chrisstubbs> Upu do you use an antenna splitter?
[12:01] <Upu_M0UPU> batteries 45 hours (on was 14:00 yesterday)
[12:01] <Upu_M0UPU> yes
[12:01] <craag> A soton uni flight up early. Not quite averaging out as on time yet though...
[12:01] <Upu_M0UPU> Minicircuits ZFSC
[12:02] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_3.jpg
[12:02] <daveake> Ditto right now
[12:02] <Upu_M0UPU> http://www.ebay.co.uk/itm/Mini-Circuits-ZFSC-2-4-Co-ax-Power-Splitter-Combiner-200MHz-to-1GHz-/360592787215?pt=UK_BOI_Electrical_Test_Measurement_Equipment_ET&hash=item53f501470f
[12:02] <chrisstubbs> do they have a built in amplifier when the signal is split? or can i just mkae one up with a few connectors?
[12:02] <daveake> no they're just low-loss splitters
[12:02] <Upu_M0UPU> no there is some loss
[12:02] <mfa298> craag: average is probably better if you take gadgeteer out of the equation.
[12:03] <craag> mfa298: By a long way..
[12:03] <F5MVO> Pico come back to home !
[12:03] <NigeyS> hehe
[12:04] <griffonbot> Received email: David Akerman "Re: [UKHAS] Trimble Condor C2626 GPS (Lassen IQ replacement)"
[12:07] <Upu_M0UPU> current dials for both payloads ?
[12:07] <chrisstubbs> pico on 348.93
[12:07] <mfa298> pop was on 434.650
[12:07] <chrisstubbs> pop on 651.51
[12:08] <Upu_M0UPU> ta
[12:08] <Geoff-G8DHE> PICO-POP http://360.g8dhe.net/HAB_Flights/PICOTEX/PICO-POP.jpg
[12:08] <mfa298> picotex was arounf 434.194 earler
[12:09] <Geoff-G8DHE> drifing low picotex
[12:09] <chrisstubbs> yes thats a lot of drift on picotex
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[12:10] <chrisstubbs> no wonder my shift wasnt right, i had picotex selected on the dropdown when i was tuned to pop :P
[12:10] Action: daveake is using most of his monitors for this lot
[12:11] <daveake> and both aerials, and all 3 radios
[12:11] <chrisstubbs> I want to use the SDR and 817 at the same time
[12:11] <chrisstubbs> dont have enough connectors laying about to make a splitter :(
[12:12] <Geoff-G8DHE> POP1 is stable ..... don't speak to sson
[12:12] <mfa298> chrisstubbs: ideally you should have more stuff inside a splitter anyway to match the impedance, although I'm not sure how much you'de really loose just connecting wires together
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[12:15] <mfa298> very drifty on pop now
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[12:16] <chrisstubbs> mfa298, ok well i might give it a go. get some cheap connecters on ebay and see how it works. i dont think im going to be using it often!
[12:17] <chrisstubbs> picotex is drifting so fast i cant keep up with it. red lines drift way off track every time there is a break in transmission
[12:17] <Geoff-G8DHE> Open the tracing bandwidth /
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[12:17] <Geoff-G8DHE> ?
[12:17] <daveake> Keeping this lot in tune is like painting the Forth bridge
[12:18] <Geoff-G8DHE> need dl-fldigi to sdr# vfo control
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[12:18] <mfa298> perhaps the one benefit of having the mixed 50/300bd rates, you can retune during the bit you're not trying to recieve
[12:18] <jcoxon> Update please
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[12:18] <mfa298> I need to work out why the CAT cable for my 817 isnt working
[12:19] <craag> jcoxon: all good, 4831m
[12:19] <GMT> nothing heard on .650, and PICOTEX too drifty to keep up!
[12:19] <chrisstubbs> mfa298, homemade?
[12:19] <craag> jcoxon: Now going NW.
[12:19] <mfa298> it's one that came with the 817 but may have been home made by the previous owner
[12:20] <jcoxon> craag, float stable or climbing?
[12:20] <gonzo_> not many listeners on the pop/picotex flights yet
[12:20] <craag> jcoxon: stable, now 4810
[12:20] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_4.jpg
[12:20] <gonzo_> pop1 good sigs here
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[12:21] <chrisstubbs> mfa298, ah i didnt get one with mine. My cable is just a usb-ttl converter with jumpers shoved in the rear connector
[12:24] <Geoff-G8DHE> POP1 is going to meet PICO
[12:24] <Geoff-G8DHE> or maybe dive bomb it
[12:25] <chrisstubbs> http://bit.ly/Z71RPU i dont like how the connection pin is just blurred onto the photo in paint...
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[12:26] <g7ogxchris> frequency wobble
[12:26] <g7ogxchris> pico
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[12:27] <GMT> really? PICO is superbly stable for me, but PICOTEX is drifting again
[12:27] <daveake> yup
[12:27] <mfa298> pop was drifint earlier but seems better now.
[12:28] <g7ogxchris> yes agree pico ultra stable but did wobble
[12:28] <PE2G> Current dial for PICOTEX?
[12:29] <GMT> about 434.190
[12:29] <PE2G> Thanks.
[12:29] <GMT> but climbing
[12:29] <g7ogxchris> can u please post link for pico phot/
[12:30] <g7ogxchris> keen to show father in law
[12:31] <g7ogxchris> pic showed launch with small vid
[12:31] <RocketBoy> whats the current freq for PICO?
[12:32] <daveake> 434.350
[12:32] <Geoff-G8DHE> 434,348,403
[12:32] <Nigey|> http://www.flickr.com/photos/65839734@N04/8522420406/in/set-72157632899865900/
[12:32] <daveake> I think 1kHz precision is plenty enough to find a payload :p
[12:32] <RocketBoy> centre freq?
[12:33] <GMT> 'OGX - this isn't the one from y'day, but identical balloon - https://www.youtube.com/watch?v=ciGO7bqn0sU
[12:33] <Geoff-G8DHE> Cut-n-paste
[12:33] <RocketBoy> depends on your reciver calibration
[12:33] <daveake> :)
[12:33] <daveake> indeed
[12:33] <g7ogxchris> thanks all he was surprised
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[12:34] <gonzo_> think most people post dial freqs when live. Saves confusion
[12:34] <pjm> can fldigi control a rotator?
[12:35] <pjm> az/el that is
[12:35] <craag> pjm: No. habrotate can control pstrotator using data from habitat though.
[12:35] <pjm> ok
[12:36] <gonzo_> I did suggest a yaesu format az/el o/p on a com port as a 'wish list' item
[12:36] <pjm> good idea, something that would steer a LVB tracker
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[12:36] <pjm> also the 'auto mode switch' doesnt work
[12:37] <pjm> it stays on 300bd at all times
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[12:37] <mfa298> i think the audo mode switch is more for when the mode changes at differnt times of day
[12:38] <fsphil> I'm not a fan of switching speeds
[12:38] <fsphil> pick one and stick with it :)
[12:38] <pjm> i guess demod of 2 speeds at once should be implemented then, since 300 & 50bd would be quite simple
[12:38] <pjm> but yeah 1 speed is the answer
[12:38] <pjm> something a bit fast perhaps
[12:38] <craag> Just fly 2x transmitters on slightly different freqs.
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[12:38] <mfa298> I think most people do 1 speed per radio
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[12:40] <Geoff-G8DHE> There is noise on POP1 mark freq.
[12:40] <Darkside> switching speeds during flight is just a pain for the listeners
[12:44] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_5.jpg
[12:45] <Geoff-G8DHE> that noise is getting worse on POP1 are others seeing it during the pause ?
[12:46] <craag> fsphil: What's your plan to deal with spectrum access/duty cycle limitations with the 869 band?
[12:47] <craag> I notice that module is just a transmitter.
[12:47] <fsphil> I'm sticking with 10%
[12:47] <craag> fair enough.
[12:47] <fsphil> there's no real way around that
[12:47] <RocketBoy> yeah - it has to be 10% doesn't it?
[12:48] <fsphil> if you can't listen before transmit, yea
[12:48] <fsphil> 10% per hour
[12:49] <fsphil> I'm gonna transmit for 6 seconds each minute
[12:50] <fsphil> if I made the transmittion too short, nobody would be able to keep up with the drift as the radio powers up
[12:50] <craag> Hmm, I might try a flight with an rfm22 for rx, and a TX3H for tx.
[12:50] <RocketBoy> not sure how listen beforte transmit helps
[12:51] <craag> RocketBoy: If the channel is quiet, you can tx 100%.
[12:51] <RocketBoy> how do you know its quet if your transmitting?
[12:51] <Geoff-G8DHE> What is limit on Tx length when Rx before Tx ?
[12:51] <craag> YOu have to switch off for a bit.
[12:52] <craag> I switched off for 1ms with the rfm22.
[12:52] <RocketBoy> not seen anything like that in the regs
[12:52] <craag> RocketBoy: That's my understanding of the spectrum access techniques specified.
[12:52] <fsphil> "Techniques to access EN 300 220 spectrum and mitigate interference that provide at least equivalent performance to the techniques described in harmonised standards adopted under Directive 999/5/EC must be used. This can include for example Listen Before Talk. Alternatively a duty cycle limit of 10 % may be used."
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[12:53] <RocketBoy> cool - I'll look that up - onus
[12:53] <RocketBoy> bonus
[12:54] <fsphil> that's for the 500mw part of the spectrum
[12:54] <fsphil> which is quite a lot of power for a payload
[12:54] <F5MVO> what TX using on PICO ?
[12:54] <fsphil> the radiometrix module puts out 450mW
[12:54] <RocketBoy> yeah but the free space path loss is 6db worse - still a great deal better than 10mW at 434
[12:55] <fsphil> F5MVO: it has an RFM22B
[12:55] <F5MVO> ok thanks
[12:55] <fsphil> higher gain antennas are smaller at 869
[12:55] <craag> fsphil: Or you can use a dish like a certain person :P
[12:56] <fsphil> hah
[12:57] <fsphil> I've a 1.2m dish, probably best to stick with the yagi
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[12:57] <RocketBoy> yeah - I think you can make up the 3db with an antenna of equal lenth
[12:58] <RocketBoy> but you need to be more accurate pointing
[12:58] <fsphil> yea
[12:58] <RocketBoy> yagi would probably be better at 868
[12:58] <gonzo_> 868 is a little low in freq, for a dish
[12:59] <fsphil> I was decoding one of Robs flights, with the yagi on the ground pointing the other way
[12:59] <craag> gonzo_: Yes, it was a 3m dish!
[12:59] <gonzo_> ah, 3mtrs would be nice
[12:59] <fsphil> 3m dish would take up half my garden
[12:59] <gonzo_> 1.2mtr a bit small
[13:00] <gonzo_> mine does!
[13:00] <GMT> phil, if it's too big for the garden, put it on the roof
[13:00] <fsphil> that'd look well
[13:01] <fsphil> I already get comments about the two colinears :)
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[13:01] <gonzo_> though I have received some good sigs off the 1.5GHz feed on my 1.2mtr. From 400meg met sondes
[13:02] <gonzo_> when asked by the neigbours, why two dishes ij the garden, the answer is, because I've not gotten around to putting the other two up
[13:02] <GMT> !
[13:02] <jcoxon> back
[13:02] <Nigey|> wb
[13:03] <jcoxon> still flying
[13:03] <GMT> jcoxon: just coming up on 5000th message from PICO
[13:03] <jcoxon> good to see that its turned
[13:03] <Nigey|> james, put a rocket thruster on the next 1? :D
[13:03] <craag> gonzo_: lol
[13:03] <jcoxon> haha
[13:03] <Nigey|> great flight but so sloooooow!
[13:03] <gonzo_> it's coming back home
[13:03] <gonzo_> realised that there is no duty free any more
[13:04] <Nigey|> forgot its passport
[13:04] <jcoxon> Nigey|, i think it should start speeding up
[13:04] <RocketBoy> jcoxon: seems to have entered a stabe float
[13:04] <jcoxon> RocketBoy, yes, thankfully
[13:04] <Nigey|> hope so, any idea what time sunset is down there ?
[13:04] <GMT> prob abt 17.40
[13:05] <jcoxon> potentially give us another 20 hours i guess before it does it again
[13:05] <fsphil> decoding PICOTEX
[13:05] <fsphil> but I don't see POP1 at all?
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[13:05] <GMT> you would hope than in 20 hours it will be back over land
[13:05] <Geoff-G8DHE> I'mno longer deconding POP1 , good signal but no decode
[13:05] <daveake> It's 50/300 baud - maybe it'll appear out of the noise when it's back to 50?
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[13:05] <fsphil> jcoxon: it appears to be drawing a bottom
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[13:06] <nigel-win__> nice stable internet today :/
[13:06] <fsphil> daveake: good point
[13:06] <daveake> It's taking the place of ANU 5
[13:06] <fsphil> lol
[13:06] <jcoxon> that blip is a bit weird
[13:06] Nick change: benoxley_ -> benoxley
[13:06] <benoxley> hi everyone
[13:06] Nick change: nigel-win__ -> NigeyS
[13:07] <fsphil> 8m/s
[13:07] <fsphil> yikes
[13:07] <Elmar_PD3EM> hi all
[13:07] <benoxley> judging neck lift was extremely difficult, we had a *lot* of wind
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[13:08] <benoxley> can anyone turn on the prediction on the spacenear tracker please?
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[13:11] <gonzo_> pop1 is making soem odd freq shiftfs
[13:11] Action: Ciemon wonders if POP1 and PICOTEX are meant to seperate at some point?
[13:12] <Elmar_PD3EM> burts?
[13:12] <gonzo_> or if a cutdown is happening, some loading on the power bus
[13:12] <JFS1> Judging from rate of altitude change picotex on the way down
[13:12] <Geoff-G8DHE> its uncopyable now for me PICOTEX is fine
[13:12] <gonzo_> it was a descrete freq step. Not a bursty type wobble
[13:12] <fsphil> picotex still on my screen
[13:12] <daveake> Erm, 16-bit sign error methinks
[13:13] <Geoff-G8DHE> lot of fine noise on the carrier is disrupting decode
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[13:13] <fsphil> did someone make a schoolboy error?
[13:13] <gonzo_> pop1 alt is falling
[13:13] <cm13g09> some fun shift doing on there
[13:13] <Upu_M0UPU> back
[13:13] <fsphil> haha
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[13:14] <fsphil> and fading fast here
[13:14] <gonzo_> the change in altutude seemed to coincide with the freq stepping. Cutdown?
[13:14] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_6.jpg heading for PICO
[13:15] <fsphil> 16-bit signed balloon
[13:15] <fsphil> they can't go above 32768m
[13:15] <jcoxon> the ascent rate shouldn't be changing though
[13:15] <Laurenceb_> pop popped
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[13:17] <Hix> has pico dropped anchor?
[13:18] <NigeyS> lol no its just going super slow
[13:19] <Hix> i'll say, it's hardly moved in 12 hours
[13:19] <fsphil> air brakes
[13:20] <Hix> that flight certainly has some character I'll give it that
[13:20] <daveake> Any slower we'll need the speed in floating point
[13:20] <chrisstubbs> the endless voyage
[13:20] <Hix> stubborn launch then arsing around in the channel
[13:20] <NigeyS> lol daveake !!
[13:21] Action: daveake Ah we got there :)
[13:21] <jcoxon> interesting, M6JCX-remote disappeared off hte map
[13:21] <mfa298> that's a very precise speed on the chase car
[13:21] <jcoxon> as the program had been on for over 12hours
[13:21] <gonzo_> pop drifting in freq now
[13:21] <jcoxon> restarted and i'm back on
[13:21] <NigeyS> :o
[13:21] <Hix> mfa298: heh
[13:22] <Hix> should change with tyre wear
[13:22] <chrisstubbs> this CURL error is ditching like 3/4 of my uploads :(
[13:22] <jcoxon> chrisstubbs, is it really though?
[13:22] <jcoxon> check here: http://habitat.habhub.org/logtail/
[13:22] <Hix> CURL a floater
[13:22] <daveake> Just got a Curl error here - something about rewinding the data stream wtf ?
[13:23] <chrisstubbs> perhaps not 3/4
[13:23] <chrisstubbs> 20% maybe
[13:24] <chrisstubbs> Save conflict, trying again (#1) <-- could that be a problem?
[13:27] <Upu_M0UPU> live predictor on
[13:27] <Upu_M0UPU> you want to be up the A286
[13:28] <Upu_M0UPU> someone else needs to start uploading telemetry
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[13:28] <Upu_M0UPU> oh people are cool
[13:33] <Upu_M0UPU> quite a slow decent
[13:33] <Geoff-G8DHE> but fast in freq.!
[13:33] <Upu_M0UPU> yeah its a bit drifty
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[13:33] <cm13g09> it's just started wandering back up my waterfall
[13:33] <daveake> Has PO1 stopped sending data? Just a carrier here, unless it's drifted off and I can't find it
[13:33] <daveake> PO1
[13:33] <daveake> POP1
[13:33] <gonzo_> still tx ok
[13:33] <Geoff-G8DHE> Rx ok again now
[13:34] <Geoff-G8DHE> taking 300baud fine
[13:34] <Geoff-G8DHE> did fade for a few seconds
[13:34] <gonzo_> 434.645
[13:35] <Geoff-G8DHE> nother bad fade
[13:35] <daveake> ta
[13:35] <daveake> Got it back now
[13:35] <Geoff-G8DHE> drifting back high again
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[13:36] <Upu_M0UPU> getting too fast for the AFC to keep up with
[13:37] <Geoff-G8DHE> Could be headfing for a landing on the S.Downs
[13:37] <Geoff-G8DHE> its stabliased again now for a bit
[13:38] <daveake> Need more digits on the chase car speed
[13:41] <Geoff-G8DHE> Eek a landing North of the downs could be hard finding
[13:42] <Geoff-G8DHE> lots of trees on the northside
[13:42] <GMT> but quite a few fields too
[13:42] <Geoff-G8DHE> depends if it gets clear of the Downs themselves
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[13:44] <Upu_M0UPU> so what frequency is PICO on now pls ?
[13:44] <Upu_M0UPU> may as well retune
[13:44] <daveake> same
[13:44] <Upu_M0UPU> which was ?
[13:44] <daveake> 434350
[13:44] <Upu_M0UPU> ta
[13:45] <Willdude123> I'm quitting my CS course, I am crap at it anyway. :(
[13:46] <GMT> any contact with the chase car?
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[13:48] <Geoff-G8DHE> Can be poor GSM coverage to the North of the Downs
[13:48] Action: cm13g09 has PICOTEX still on the radar
[13:49] <craag> Yeah, the downs are not too hab friendly.
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[13:50] <Geoff-G8DHE> At least its getting away from the North face of the Downs, better chance of a landing in a field
[13:51] <daveake> That's a lot of trees it flew over there before it turned
[13:51] <cm13g09> heh - I just had a bad checksum of "BAD3"..... coincidence or what>?
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[13:53] Action: cm13g09 just saw live-predict in action
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[13:55] <Laurenceb_> somewhere between Hoe Copse and Cocking
[13:55] <gonzo_> hhh
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[13:56] <henk_> hi all
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[13:57] <cm13g09> I appear to be the last one picking up PICOTEX
[13:57] <Upu_M0UPU> stay on it then :)
[13:57] <Hix> ping costyn
[13:57] <daveake> yeah very weak here, but that's with a scanner and a different aerial to the others
[13:57] <Upu_M0UPU> hi henk_
[13:58] <cm13g09> getting some dodgy decodes now
[13:58] <Geoff-G8DHE> POP1 is breaking up again for me so back to PICOTEX
[13:58] <daveake> Gonna be a tree
[13:59] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_7.jpg
[13:59] <Laurenceb_> heading for Hoe Copse
[13:59] <Laurenceb_> like a bitch
[13:59] <Upu_M0UPU> Laurenceb pls
[13:59] <gonzo_> lost pop and picotex just too wear
[13:59] <gonzo_> weak
[13:59] <Geoff-G8DHE> No curving tothe south again
[13:59] <jcoxon> once they are down can we turn off predictions
[13:59] <jcoxon> as it doesn't help with pico
[14:00] <Geoff-G8DHE> and there she fades away behind th downs
[14:00] <daveake> gone
[14:00] <cm13g09> yep - gone for me
[14:00] <Hix> guys, anyone know the thread fro the BOC cylinder?
[14:00] <cuddykid_> how long should the batteries last on pico?
[14:00] <jcoxon> cuddykid_, potentially 48hrs
[14:00] <jcoxon> but could be less, could be more
[14:00] <cuddykid_> jcoxon: excellent
[14:01] <Geoff-G8DHE> PICOTEX http://360.g8dhe.net/HAB_Flights/PICOTEX/PICOTEX_8.jpg maybe it will be the Copse
[14:01] <cuddykid_> hopefully it can be recovered after too!
[14:01] <jcoxon> we are at a point that the flight is a success
[14:01] <jcoxon> anything is a bonus now
[14:01] <cuddykid_> yep
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[14:01] <daveake> yup great flight
[14:01] <daveake> So long it broke the interweb
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[14:02] <Hix> jcoxon: pico is mooning at france, from the track
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[14:03] <Ciemon> You know that it's going in the trees :/
[14:04] <Ciemon> Not too badly though.
[14:04] <Laurenceb_> trees
[14:04] <daveake> The prediction assumes ground is at sea level? If so definitely tree
[14:05] <Laurenceb_> also wind is inaccurate in the last few hundered m
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[14:05] <Laurenceb_> its always seems to drop off faster than model
[14:05] <Laurenceb_> probably due to terrain height or something...
[14:05] <cuddykid> this is where my soon to be built hexacopter would come in handy :)
[14:05] <daveake> Had that on PIE4 this week. It landed 1.3km short of us and we were expecting 300m
[14:05] <craag> Elevation there is ~50m according to google maps api.
[14:06] <daveake> Now calc which tree :)
[14:06] <Geoff-G8DHE> 3rd from the left
[14:06] <cuddykid> need to build some sort of grapple device for it to hook onto payload
[14:06] <daveake> "Spot The Payload" competition
[14:07] <fsphil> oh no, trees!
[14:07] <Laurenceb_> 21 hours float
[14:07] <gonzo_> hoe copse is 50mtrs ASL
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[14:08] <gonzo_> so thet may have cleared it
[14:08] <Laurenceb_> or landed in the clearing
[14:08] <fsphil> it's that last row of trees
[14:08] <craag> fsphil: I think so!
[14:08] <fsphil> before the predicted spot
[14:08] <cm13g09> anyone know what the prediction for PICO is?
[14:08] <fsphil> cm13g09: heading north now
[14:09] <fsphil> it'll pretty much be doing that for the rest of the day
[14:09] <cm13g09> fair enough
[14:09] <gonzo_> it's getting a ferry lift home!
[14:11] <GMT> ferry travelling quicker than PICO
[14:11] <fsphil> hah
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[14:12] eroomde_ (~ed@kraken.habhub.org) got lost in the net-split.
[14:12] J0rd4n- (~J0rd4n@ got lost in the net-split.
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[14:12] Chris_26CT895 (~Chris_26C@cpc44-pool12-2-0-cust204.15-1.cable.virginmedia.com) got lost in the net-split.
[14:12] Noah_ (~noahks@cpe-69-201-189-184.nyc.res.rr.com) got lost in the net-split.
[14:12] NigeyS (~nigel-win@cpc5-cdif14-2-0-cust507.5-1.cable.virginmedia.com) got lost in the net-split.
[14:12] <Laurenceb_> looks like PICO lost a little altitude through the night
[14:12] <daveake> P&O PICO
[14:12] <Laurenceb_> i wonder if that was helium diffusing out
[14:12] <craag> Laurenceb_: cooling due to lack of sun probably.
[14:12] <Laurenceb_> no chance
[14:13] <Laurenceb_> it'll cool in tens of minutes
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[14:13] <Laurenceb_> i think its helium leaking, in which case it'd fly for several days if the envelope can hold up
[14:13] <craag> oh, the very small amount. Could just be the air pressure?
[14:13] <Laurenceb_> maybe...
[14:13] <craag> Although there will of course be some he loss.
[14:14] <craag> We'll see tonight :)
[14:14] <Laurenceb_> does it have solar panels onboard?
[14:14] <fsphil> battery only
[14:15] <Laurenceb_> :-/
[14:15] <Laurenceb_> impressive battery life
[14:15] <Laurenceb_> rfm22 and avr?
[14:15] <Laurenceb_> with ublox6?
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[14:18] <fsphil> not sure what ublox
[14:18] <fsphil> jcoxon?
[14:19] <craag> I'm guessing max-6. Unless it's a max-7 :P
[14:19] <Upu_M0UPU> 6
[14:19] <jcoxon> yeh i t 6
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[14:21] Action: cm13g09 is getting the odd CURL error as well
[14:24] <jcoxon> payload has been running for 24hrs now
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[14:24] <chrisstubbs> do you know why its floating so slowly jcoxon?
[14:25] <craag> chrisstubbs: Nobody's blowing at it hard enough!
[14:26] <fsphil> it's a sunday
[14:26] <fsphil> it's in no rush
[14:26] <griffonbot> Received email: James Coxon "Re: [UKHAS] Pico Launch this weekend (2/3 March)"
[14:26] <chrisstubbs> lol
[14:26] <jcoxon> yeah its why we launched this weekend
[14:26] <jcoxon> we wanted no wind
[14:26] <jcoxon> the problem has always that these flights have gone out of range before we find out what happens
[14:26] <jcoxon> the winds were ideal for this flight path keeping it in range.
[14:27] <fsphil> I wonder if the limit this time will be battery
[14:28] <chrisstubbs> ah fair enough, lets hope they dont run out soon then
[14:28] <jcoxon> that said we are abit behind schedule
[14:28] <chrisstubbs> had a bit of an "oh s**t" moment the other night. Thought the payload for NSE1 had been ready to go for weeks but tried to put the transmitter board in today and it didnt fit!
[14:28] <jcoxon> i had expected landfall before now
[14:29] <jcoxon> http://ready.arl.noaa.gov/hysplitout/18630_trj001.gif
[14:29] <chrisstubbs> since i put the header on for the thermometer it didnt fit :P
[14:30] <jcoxon> :-P
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[14:33] <daveake> jcoxon Dunno if any else gets this but I lose the first few characters of the 1st sentence after each rfm reset
[14:33] <chrisstubbs> well it looks like there is a good chance of it coming down in the UK then!
[14:33] <chrisstubbs> afternoon domlin
[14:34] <chrisstubbs> daveake, same. would be nice to have some more $$ to sync up with
[14:34] <daveake> Might be worth adding a few more $$s
[14:34] <craag> daveake: Yeah it seems the rfm takes a while to re-initialise, I lose half a sentence with that at 600 baud!
[14:35] <Upu_M0UPU> doesn't seem to work
[14:36] <Upu_M0UPU> I tried it in my code
[14:36] <Upu_M0UPU> I need to do further work on it
[14:36] <gonzo_> nulls are better to sync with
[14:36] <fsphil> true
[14:37] <fsphil> leaves no doubt over where the start bit is
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[14:45] <Geoff-G8DHE> Rather than nulls isn't "U" the accepted character as it has the most transistions ?
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[14:46] <fsphil> 0x00 means the only transition is at the stop bit
[14:46] <cuddykid> ah nice - looks like pico is heading my way if it lasts
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[14:46] <Broliv> Afternoon all
[14:47] <fsphil> it depends on the demodulator really, but fldigi's current one will start decoding as soon as it sees what it thinks is a stop to start transition
[14:48] <number10_M0MDB> I get the same daveake
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[14:51] <GMT> I'm also missing the $$$$PICO after each reset
[14:51] <Broliv> Hell All, could anyone tell me what frequency PICO is currently at? In the email it says 434.200 but on spacenear.us it is saying 434.340.
[14:52] <Broliv> *hello
[14:52] <chrisstubbs> Broliv, .348
[14:52] <Broliv> cheers
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[15:07] <gb73d> [15:05] <gb73d> 2000 UTC ch4 TV DOCU about Meteor stike
[15:07] <gb73d> [15:06] <gb73d> 2100 BBC2 Horizon Docu on Meteors
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[15:10] <chrisstubbs> gb73d, set up to record. cheers :)
[15:11] <fsphil> anyone else experiencing gqrx crashing when retuning the FCD, and know a fix?
[15:12] <JFS1> Any news on Picotex recovery?
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[15:18] <craag> JFS1: None yet.
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[15:19] <JFS1> Cheers cragg - that might be a sign that it's in a HAB-catcher (ie tree)
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[15:23] <Maxell> The best photos I took of habenero/hyperion... http://imgur.com/a/KqByW
[15:24] <henk_> wat freq and modes they use for satelite
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[15:30] <g7ogxchris> g afternoon fro m a sunny bognor Regis
[15:31] <g7ogxchris> is that right turn for PICO realistic
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[15:31] <craag> g7ogxchris: No, the predictor is set up for POP/PICOTEX.
[15:31] <craag> g7ogxchris: http://ready.arl.noaa.gov/hysplitout/18630_trj001.gif
[15:32] <g7ogxchris> tks craag
[15:32] <fsphil> henk_: you mean the balloon payloads? they typically use RTTY on the 70cm band
[15:33] <g7ogxchris> g7ogx zzz
[15:37] <henk_> yes i see by the balloons also sat receiving
[15:37] <henk_> are there active now on 70 cm
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[15:41] <griffonbot> @thecraag: oh no! "@PhysocOutreach: Anyone flying over the village of Cocking... We need some help to rescue a bear! http://t.co/herkCBFtTk" #ukhas [http://twitter.com/thecraag/status/308240672966717440]
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[15:44] <g6uim> gettting consistant pico decode here but for some reason don't show every time on spacenear.us receivers
[15:44] <mfa298> sounds like the south downs trees have struck again
[15:46] <chrisstubbs> g6uim, are you getting "upload successful" on the bottom status bar in dlfldigi?
[15:46] <jcoxon> g6uim, data is coming through from you to the serve
[15:46] <jcoxon> r
[15:47] <jcoxon> i'm turning off predictions
[15:47] <M0NSA> so it made it into a tall tree...
[15:48] <NigeyS> that's a big a** tree :|
[15:48] <NigeyS> jcoxon almost 24 hours :)
[15:48] <g6uim> jcoxon as long as thats happening great thought packets might be getting dropped somewhere
[15:49] <jcoxon> NigeyS, indeed
[15:49] <jcoxon> float started about 1700 didn't it
[15:49] <NigeyS> think so yup
[15:49] <jcoxon> http://habitat.habhub.org/stats/
[15:50] <jcoxon> select flight list
[15:50] <jcoxon> and then pico IX
[15:50] <M0NSA> it's going sooo slowly though, lol
[15:50] <fsphil> oh, turning west again
[15:50] <henk_> 70.0000007629 km/h
[15:51] <fsphil> give or take a few 0.00000001 m/h
[15:52] <NigeyS> lol
[15:52] <mfa298> i think that speed needs moar accuracy :p
[15:52] <NigeyS> wonder if that long over salty air will degrade the envelope quicker than over land...
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[15:54] <mfa298> im wondering how salty the air will be that high,
[15:54] Action: Hix is thinking not really salty at that altitude
[15:55] <mfa298> needs another flight with a suitable sensor
[15:55] <Hix> heh
[15:55] <NigeyS> hmm, air temp is 261K
[15:57] <Morseman> Good grief, is PICFO still floating about?
[15:58] <Morseman> Or even PICO
[15:58] <Elwell> what is the expected battery life in it btw?
[15:58] <cm13g09> Morseman: indeed it is
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[15:59] <NigeyS> Elwell, i think 45 hours.. ish
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[16:00] <jcoxon> not bad for a single AA
[16:00] <lz1dev> did somebody use a signed int :)
[16:00] <daveake> Looks like it :p
[16:01] <fsphil> positive
[16:01] <g6uim> i see the issue getting error due to database rewind fail
[16:01] <fsphil> I mean
[16:01] <fsphil> ack
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[16:03] <Upu_M0UPU> anyone mentioned it to HABHub team ?
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[16:06] <g6uim> got a screen cap of the error message will send it to them
[16:08] <daveake> Interestingly on PICO, I have 2 different radios on 2 PCs and both gave the same bad characters at the start of a sentence after the rfm was reset
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[16:18] <GMT> same here Dave, don't seem to get the $$$$PICO and sequence number
[16:18] <jcoxon> currently we are 7th in the record for flight duration
[16:19] <fsphil> probably the fldigi modem syncing on the wrong bits
[16:20] Nick change: uwe__ -> uwe_
[16:23] <GMT> how much longer do you have to fly to get up to 6th place
[16:24] <griffonbot> Received email: Geoff Mather "[UKHAS] Re: Launch Announcement - 2/3 March - Hyperion/Habanero from
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[16:25] <jcoxon> next on the list is 33hours
[16:26] <jcoxon> we are at 25:33
[16:26] <jcoxon> in the realms of zero pressure balloons
[16:26] <jcoxon> and latex super-pressures
[16:27] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Re: Launch Announcement - Brightwalton, Monday 25th and
[16:27] <mfa298> although I wonder how many of those other long flights have been tracked all the way through
[16:27] <navrac_home2> hi james - nice flight - just got baCK TO THE UK TO CATCH THE TAIL OF IT AFTER AN ENFORCED 3 WEEK ABSENCE
[16:27] <navrac_home2> oops
[16:28] <jcoxon> hehe
[16:28] <jcoxon> mfa298, that is true
[16:28] <Upu_M0UPU> wb Navrac
[16:29] <Geoff-G8DHE> Right finally got the Pano from the burst point of HABANERO together not sure if <costyn> is around at al http://360.g8dhe.net/default.php?1002
[16:29] <Geoff-G8DHE> The above also has PICO and POP1 showing up in it ;-)
[16:30] <navrac_home2> thanks upu, nice to be back - even if I get back and the wife has me painting the next day
[16:30] <Geoff-G8DHE> I'm off for food again ....
[16:30] <Upu_M0UPU> hehe
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[16:32] <craag> POP/PICOTEX recovered.
[16:32] <x-f> woo!
[16:33] <Upu_M0UPU> nice
[16:33] <GMT> Upu/Anthony ... wrong date (month) at the top of your Blog write-up about last weeks flight.
[16:33] <craag> The estate lumberjack felled the tree for them.
[16:33] <mfa298> craag: maybe you should send them down the road to see if they can get CRAAG1 whilst they're at it.
[16:33] <Upu_M0UPU> ta GMT I'll check :)
[16:33] <Upu_M0UPU> fixed
[16:34] <craag> mfa298: Easter hols I'll take a trip up, and if it hasn't fallen I'll try asking the estate nicely.
[16:34] <Laurenceb_> POP not in a tree?
[16:35] <craag> Laurenceb_: It was, tree was felled.
[16:35] <Laurenceb_> lolwut
[16:36] <jcoxon> very gradual decrease in picos altitude
[16:36] Nick change: Ciemon -> Ciemon-G0TRT
[16:36] <x-f> any news about recovery of PAVA?
[16:36] <NigeyS> jcoxon, sunset ftw :D
[16:37] <jcoxon> sunset is in over an hour
[16:37] <jcoxon> :-
[16:37] <jcoxon> p
[16:37] <Laurenceb_> coming up to 24h float
[16:37] <fsphil> x-f: recovered in a field
[16:37] <jcoxon> float was about 17:25
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[16:39] <Upu_M0UPU> PAVA recovered x-f
[16:39] <Upu_M0UPU> lost its balloon : http://i.imgur.com/ktHOc8i.jpg
[16:39] <Upu_M0UPU> hence the stupid decent rate
[16:39] <craag> Upu_M0UPU: I had that happen to both my picos.
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[16:40] <Upu_M0UPU> might put a parachute on the next one
[16:40] <daveake> indecent
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[16:40] <daveake> descent
[16:40] <mattbrejza> POP recovered from tree
[16:40] <Upu_M0UPU> sorry descent
[16:40] <NigeyS> upu is that the valve ?
[16:40] <mattbrejza> videovuploaded soon
[16:40] <fsphil> nice one mattbrejza
[16:40] <daveake> Will the tree recover?
[16:40] <Upu_M0UPU> yep it is NigelMoby
[16:41] <NigeyS> wow, been ripped clean out :|
[16:41] <Upu_M0UPU> blown clean out :)
[16:41] <mattbrejza> thentree lost
[16:41] <mattbrejza> -n
[16:41] <NigeyS> thats ALOT of pressure then
[16:41] <fsphil> Alot would agree
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[16:42] <fsphil> (http://hyperboleandahalf.blogspot.co.uk/2010/04/alot-is-better-than-you-at-everything.html)
[16:43] <mattbrejza> bbl
[16:44] <GMT> everyone still decoding PICO okay, or is it just mine that's stopped?
[16:44] <daveake> fine
[16:45] <chrisstubbs> yeah pico is good for me too
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[16:45] <Ciemon-G0TRT> Afternoon all. Whilst I work through Arduino book, I wonder if there's a sketch anywhere that does ublox6-arduino-NTX2. I've had a look on the wiki and I don't think that there's one there.
[16:45] <GMT> okay, I will stop/start fldigi
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[16:47] <OZ1SKY_Brian> hi
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[16:47] <chrisstubbs> Ciemon-G0TRT, have you seen the ntx2 example on the wiki?
[16:47] <OZ1SKY_Brian> jcoxon still showing off i see :-)
[16:47] <chrisstubbs> once you have that working. you can use tinyGPS and simply send the coordinates using the same method
[16:47] <Ciemon-G0TRT> chrisstubbs: Yes... (looks again)
[16:48] <Ciemon-G0TRT> ok, thanks for the pointer.
[16:48] <chrisstubbs> its just a case of reformatting them into a string such as $$NSE,id,time,lat,long,lat,checksum
[16:48] <Ciemon-G0TRT> "just a case" :D
[16:49] <chrisstubbs> lat/alt
[16:49] <chrisstubbs> haha
[16:49] <Ciemon-G0TRT> I'll give it a bash
[16:49] <chrisstubbs> Ciemon-G0TRT, let me pastebin my code and you can take a look. however i warn you its not tidy!
[16:50] <Ciemon-G0TRT> That'd be very helpful, I think I just need something to look at to try and understand whilst I'm working through the book
[16:50] <chrisstubbs> one day i will set up github for this kinda thing...
[16:50] <Ciemon-G0TRT> pastebin is probably easier.
[16:51] <chrisstubbs> http://paste.chris-stubbs.co.uk/qbfgdNMu there is some DS18s20 thermometer stuff in there too
[16:53] <chrisstubbs> the voltmeter part comments are probably the worst (line 51) ... but they work :)
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[16:54] Nick change: zyp_ -> zyp
[16:55] <Broliv> Chris, that is really helpful! I'm stuck at the same bit too so thank you for posting.
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[16:56] <chrisstubbs> no probs. if you have any questings feel free to message me and i will try and help! Im not 100% on all of it but i have a fair idea about how what ive written works
[16:56] <Ciemon-G0TRT> Superb Chris, thanks.
[16:57] <Broliv> That's ok, I know what you mean. I'd prefer to write my own code too (so I know how it works) but the pointers are always welcome :D
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[16:58] <chrisstubbs> yes i needed a lot of help with the sprintf thing on line 235. but got there in the end thanks to UPU :)
[17:00] <fsphil> arr, the printfs can be treacherous maidens. treat them well and all will be smooth sailing, but err in any way and she'll sink you
[17:00] <Broliv> Yeah, i had that problem phil
[17:01] <Broliv> i got sunk :(
[17:02] <Hix> sprintf==dave jones' locker
[17:04] <jcoxon> pico is below 4600m
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[17:05] <GMT> is it drifting in freq, or is it just my radio warming-up?
[17:05] <OZ1SKY_Brian> jcoxon show off :-)
[17:05] <craag> sun is going down.
[17:06] <jcoxon> OZ1SKY_Brian, hehe
[17:06] <jcoxon> all good data
[17:07] <jcoxon> sunset will be a little later as its a bit at altitude
[17:07] <OZ1SKY_Brian> yeah its fantastic, im excited to see how long it will last.
[17:08] <OZ1SKY_Brian> and a perfect flight path for long duration test.
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[17:10] <daveake> it is. It's been within my range pretty much the whole time.
[17:12] <fsphil> it's been 24 hours from reaching me for the past 24 hours :)
[17:13] <Hix> heh
[17:13] <jcoxon> yeah its slower then the predictions
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[17:16] <jcoxon> http://ready.arl.noaa.gov/hysplitout/15737_trj001.gif
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[17:19] <Jess--> if 2 payloads are going on the same balloon what minimum seperation should we run in freq's (rfm22 in both payloads)
[17:20] <fsphil> interesting to see if it settles into the same altitude as last night, after sunset
[17:20] <fsphil> Jess--: they're quite drifty, mroe than 50khz
[17:20] <fsphil> more*
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[17:22] <Jess--> cheers for the advice... back to coding
[17:22] <Hix> Upu_M0UPU: what doe spower cycling do to the 22b? Generate heat?
[17:25] <Jess--> hix from what I have seen it cools down while unpowered and then drifts like mad when it powers back up
[17:25] <Jess--> same thing happens if you vary the power levels
[17:25] <jcoxon> Hix, its to stop it doing weird things
[17:25] <mfa298> Hix: I think the idea was sometimes the RFM22 is locking up so the restart solves that
[17:25] <Hix> hmm was reading upu's latest blog entry, stated he'd set it to power cycle every 50 sentences
[17:26] <jcoxon> pico is power cycling every 20 strings
[17:26] <Hix> ahh, trusty 3 pin reset
[17:26] <Hix> in code
[17:27] <Jess--> how do you trigger that? is it just a case of calling init again?
[17:27] <Hix> suppose I'm gona have to embrace the RFM22 in the not too distant really arent i
[17:27] <jcoxon> Hix, if you aren't doing picos the ntx2 are better
[17:28] <Hix> oh really, this is good news :)
[17:28] <jcoxon> the rfm22 are more flexible
[17:28] <Hix> yup
[17:28] <jcoxon> but the ntx2s are simpler but also good quality
[17:28] <jcoxon> they just work
[17:29] <Hix> i'm working out some drift control system for mine
[17:29] <Chris_26CT896> jcoxon, is the ntx2 to bulky for a pico?
[17:29] <Hix> gonna involve freezer tests and lots of strange looks from her what runs things
[17:29] <jcoxon> Chris_26CT896, its a little bit
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[17:30] <Chris_26CT896> Shame, it looks a lot easier to use. Thanks jcoxon.
[17:31] <jcoxon> for first flights i don't recommend pico flights
[17:32] <Chris_26CT896> How come?
[17:32] <jcoxon> the size constraints, technical challenging, not very good flight paths and poor altitude
[17:34] <jcoxon> the regularly burst early
[17:34] <jcoxon> they*
[17:34] <jcoxon> it would be more fun to do a small latex flight
[17:34] <jcoxon> say with a 500g balloon
[17:35] <jcoxon> get a proper altitude
[17:35] <jcoxon> and not too expensive
[17:36] <Chris_26CT896> Roughly what's the cost of a 500g balloon + helium? Would it need NOTAM?
[17:36] <jcoxon> you'd need a notam
[17:36] <jcoxon> but thats not a bad thing
[17:36] <fsphil> they're not difficult to get, although it does sometimes take time
[17:37] <jcoxon> 500g Hwoyee - ?23.95
[17:37] <jcoxon> sunset coming up?
[17:38] <GMT> so how much physical weight (payload, etc) would a 500g Hwoyee lift?
[17:38] <OZ1SKY_Brian> jcoxon still light over here
[17:39] <OZ1SKY_Brian> just
[17:39] <Geoff-G8DHE> Shame its so far to the West its a lovely evening down here I was going to get the Binoculars out and have a look, but it would need the Sun to be shining on it I expect rather than against the sky background to see.
[17:39] <fsphil> the night/day overlay on the mobile tracker shows sunset currently at Worthing
[17:39] <Geoff-G8DHE> Yup the shadows are horizontal at present
[17:39] <jcoxon> GMT, well it could easily lift say a 200g payload
[17:40] <GMT> sunset at Southampton listed as 17.50
[17:40] <fsphil> it's cloudy here, haven't seen the sun all weekend :)
[17:40] <jcoxon> you can work things out with this: http://habhub.org/calc/
[17:41] <OZ1SKY_Brian> whats is special about isle of wright, somehow it rings a bell?
[17:42] <Upu_M0UPU> Hix no doesn't generate heat but the RFM can be a bugger some times so sledge hammer approach is turn it off and back on again
[17:42] <Geoff-G8DHE> Queen Victoria had a residency on the island ?
[17:42] <Hix> sledge hammer is the backbone of british engineering
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[17:43] <OZ1SKY_Brian> Geoff-G8DHE no thats not it, dont know why it rings a bell, somehow the name wants me to remember or recall something :-)
[17:44] <Geoff-G8DHE> Music festivals ?
[17:44] <OZ1SKY_Brian> wiki time...
[17:44] <OZ1SKY_Brian> Geoff-G8DHE yes that it
[17:44] <OZ1SKY_Brian> thanks :-)
[17:44] <jcoxon> pico is dropping slowly
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[17:44] <Geoff-G8DHE> Yes back in the 70's, much mud but some great weekends :-)
[17:44] <Hix> normally a good reason for forgetting about music festivals :)
[17:45] <OZ1SKY_Brian> lol
[17:45] <Geoff-G8DHE> http://en.wikipedia.org/wiki/Isle_of_Wight_Festival
[17:45] <GMT> Isle of Wight ... red squirrels
[17:45] <Upu_M0UPU> jcoxon sunset ?
[17:46] <mfa298> I think the much mud is still continuing (at least it did last year for one of them)
[17:46] <jcoxon> Upu_M0UPU, as good as
[17:46] <Upu_M0UPU> So will it settle back in a float
[17:46] <jcoxon> well
[17:46] <Upu_M0UPU> is the question
[17:46] <jcoxon> lets see
[17:46] <Geoff-G8DHE> My IoW Fesitavel was 1970 Moody Blues etc
[17:47] <OZ1SKY_Brian> good line up i see :-)
[17:48] <OZ1SKY_Brian> funny how much new geografi you learn by tracking habs :-)
[17:48] <jcoxon> Upu_M0UPU, i predict a slightly lower float altitude
[17:48] <OZ1SKY_Brian> like you guys, when you found Middlefart in Denmark, LOL
[17:48] <Upu_M0UPU> lets see
[17:48] <jcoxon> i assume we've lost a bit of helium today
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[17:49] <gonzo_> 1970 had Hendrix didn't it Geoff?
[17:50] <Geoff-G8DHE> PICO http://360.g8dhe.net/HAB_Flights/PICO/PICO_12.jpg
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[17:50] <Geoff-G8DHE> I think that was 1969, the second one
[17:51] <OZ1SKY_Brian> wiki say 70
[17:51] <gonzo_> pre-dates me. But I have the hendrix set on cd/dvd
[17:51] <Geoff-G8DHE> Yes it was bit long ago to be honest to remember 43 years!
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[17:54] <Geoff-G8DHE> 6050 records coming up!
[17:55] <jcoxon> 4392m
[17:55] <benoxley> getting pop down: http://users.ecs.soton.ac.uk/mfb2g09/popl2/chainsaw/
[17:56] <Upu_M0UPU> Chainsaw ? :)
[17:56] <benoxley> chainsaw :)
[17:56] <Upu_M0UPU> lol
[17:56] <Upu_M0UPU> really
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[17:56] <benoxley> luckily there was a friendly guy nearby in the woods with a chainsaw
[17:56] <Upu_M0UPU> Was about to say
[17:56] <benoxley> what are the chances?
[17:56] <fsphil> at least he was friendly
[17:57] <Upu_M0UPU> lol
[17:57] <Upu_M0UPU> awesome
[17:57] <benoxley> wouldn't like to encounter a non friendly guy with a chainsaw
[17:57] <Upu_M0UPU> and you lucky tw?ts :)
[17:57] <benoxley> haha
[17:57] <benoxley> just a little
[17:57] <F5MVO> great flight, Pico come back very slowly
[17:58] <fsphil> lol, that's great
[17:59] <Geoff-G8DHE> Ah you only get a glimpse of it at the top!
[17:59] <GMT> great video ... something else that needs to be added to a HABbers toolkit!
[17:59] <F5MVO> how many hours run Pico ?
[17:59] <griffonbot> Received email: Costyn van Dongen "[UKHAS] Re: Launch Announcement - 2/3 March - Hyperion/Habanero from
[17:59] <jcoxon> right i'm going to head back to london
[18:00] <GMT> 28 hours almost
[18:00] <jcoxon> some conatct me if there is a problem
[18:00] <jcoxon> or a change
[18:00] <F5MVO> good
[18:00] <GMT> battery may last for 45 hours
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[18:01] <F5MVO> 3.6v and mA ?
[18:01] <Upu_M0UPU> 1.8v
[18:01] <Upu_M0UPU> battery is 3000mA
[18:01] <Upu_M0UPU> consumes about 65mA an hour
[18:02] <Upu_M0UPU> http://ava.upuaut.net/?p=471
[18:03] <F5MVO> Ok thanks for the pictures
[18:03] <Upu_M0UPU> the HX1 module isn't on for this flight
[18:03] <Upu_M0UPU> and I didn't launch it jcoxon did
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[18:19] <Geoff-G8DHE> PICO is doing 13 miles an hour @ present
[18:19] <Geoff-G8DHE> 0.41 Miles in 113 seconds
[18:20] <Geoff-G8DHE> 9.81 miles from IoW on current course
[18:20] <F5MVO> the sun down and Pico also
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[18:21] <Nitzan778> can somebody explain how this works http://habhub.org/predict
[18:21] <Nitzan778> what are the parameters it considers
[18:22] <OZ1SKY_Brian> was abit of an eye opener when i woke up and look for pico on the mobiltracker, it said max altitude 9223m !. I dont know why, it still does.
[18:23] <lz1dev> try refreshing
[18:23] <lz1dev> vehicles[0].positions
[18:23] <lz1dev> says 4960m
[18:23] <OZ1SKY_Brian> i tryed
[18:25] <OZ1SKY_Brian> oh wait, im talking about the "HAB Tracker"
[18:26] <OZ1SKY_Brian> the app
[18:27] <lz1dev> try http://habhub.org/mt
[18:27] <Geoff-G8DHE> <Nitzan778> You probably need to talk to <rocketboy> I think he wrote it - Steve Randall ...
[18:27] <mfa298> lz1dev: I like the new telemetry graph on there
[18:28] <lz1dev> mfa298: glad to hear it
[18:30] <OZ1SKY_Brian> ahh great, thanks
[18:30] <RocketBoy> Nitzan778: Geoff-G8DHE - nope I didn't write it - it was the CUSF guys
[18:30] <RocketBoy> but I know how it works - so fure away
[18:30] <RocketBoy> fire
[18:34] <Geoff-G8DHE> Ah I thought you did the original spreadsheet calc's?
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[18:43] <costyn> check this out: http://i.imgur.com/Q130Zvo.png
[18:43] <costyn> http://i.imgur.com/AkvrjhI.png
[18:44] <Laurenceb_> OMFG
[18:44] <Laurenceb_> CHEMITRAILS
[18:45] <cuddykid> awesome to see pico still going!!
[18:45] <Laurenceb_> http://www.bariumblues.com/
[18:47] <g7ogxchris> yes its great
[18:49] <Morseman> Laurenceb Nice to see the tin foil hat lobby is still going strong...
[18:49] <cm13g09> riiiight - I just swapped to my dipole - and it's still getting a decent signal
[18:49] <Geoff-G8DHE> <costyn> How quickly were you taking images on the HABANERON flight ?
[18:50] <costyn> Geoff-G8DHE: 15 second intervals
[18:50] <Morseman> Is someone planning a trip to the Isle of Wight to bring PICO back?
[18:51] <cm13g09> lol
[18:51] <Geoff-G8DHE> OK, I was just wondering if there would be sufficent to do a Pano from them, but 15 seconds will probably be too long to get any overlap between images to align them :-(
[18:51] <cm13g09> Morseman: it's likely to actually make it back onto mainland
[18:51] <costyn> Geoff-G8DHE: yea
[18:52] <Laurenceb_> landfall
[18:52] <Laurenceb_> for a while...
[18:52] <OZ1SKY_Brian> yeah PICO got dry feet again
[18:52] <costyn> and there's very little detail to find matching images
[18:52] <Morseman> I thought so too cm13g09 but it was the cheap joke :-)
[18:52] <costyn> Geoff-G8DHE: it's mostly clouds unfortunately
[18:52] <RocketBoy> yea landfall
[18:53] <Geoff-G8DHE> <costyn> indeed might be interesting to do some bursts especially if you could tell when the camera was spinning, likesay centrfugal force high- burst for 20 seconds!
[18:53] <cm13g09> and I'm now on my dipole... cos having the window open was rather chilly....
[18:54] <Broliv> laters everyone
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[18:54] <cm13g09> hmm.. just got a 401 on an upload....
[18:54] <cm13g09> exciting....
[18:55] <Geoff-G8DHE> PICO http://360.g8dhe.net/HAB_Flights/PICO/PICO_13.jpg
[18:56] <costyn> Geoff-G8DHE: that's an intereseting idea
[18:56] <Geoff-G8DHE> I'm wondering if I put a camera package together someone might like to fly it, have to think and ask around!
[18:56] <fsphil> ah, pico floating slightly higher than last night
[18:57] <fsphil> didn't see that coming
[18:57] <Geoff-G8DHE> We don't have temperature so I wonder if that might be the reason ?
[18:58] <fsphil> and made landfall over Isle of Wight
[18:58] <fsphil> hmmm yea, warmer night amybe
[18:58] <fsphil> maybe*
[18:58] <RocketBoy> fsphil: it will be higher due to plastic creep I expect
[18:58] <g7ogxchris> lots of sunshine here today..no exageration prob 8 hours
[18:59] <gb73d> https://dl.dropbox.com/u/96783368/OT1KZG.jpg
[18:59] <RocketBoy> stretched during the day
[18:59] <fsphil> that's right, I remember reading about that
[19:00] <Geoff-G8DHE> Go on explain then "plastic creep" ?
[19:00] <g7ogxchris> max temp here at 1500 today 11.4
[19:00] <g7ogxchris> Darth Vader?
[19:02] <RocketBoy> hat I mean is stretched beyond its elastic point -
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[19:02] <RocketBoy> the platic envelope wont return too its original size
[19:02] <Geoff-G8DHE> Right won't it just collapse to hold the same volume when the pressure decreass with temperature then ?
[19:02] <g7ogxchris> if pico stays up how long would the pwer last?
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[19:03] <Geoff-G8DHE> 45-48 hours is suggested
[19:04] <RocketBoy> If its gone beyond the elstic point then no - it will return to the stretched volume
[19:04] <g7ogxchris> oh great I had dreams of seeing it glinting in the setting sun...reset
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[19:05] <Geoff-G8DHE> That makes sense if its rigid, but I can't quite see it when its not a rigid container ?
[19:05] <g7ogxchris> towns and cities are great big heat sinks aren't they
[19:06] <RocketBoy> its sort of like a sheet of polythene - to can stretch it to a longer length
[19:06] <RocketBoy> and its still a little elastic around that longer length
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[19:07] <Geoff-G8DHE> So the pastic is applying an expanding force to the gas, so reducing its density ?
[19:08] <SpeedEvil> contracting, increasing
[19:09] <Laurenceb_> its still dropping
[19:09] <RocketBoy> its a bit like a latex balloon - as it expends it squeezes the enclosed gass
[19:09] <RocketBoy> gas
[19:09] <Laurenceb_> will take a while for the gas to cool
[19:10] <cm13g09> Getting 401s uploading to habitat.... sigh
[19:10] Nick change: Guest67805 -> nigelvh
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[19:11] <Geoff-G8DHE> Surely to float higher the gas density is less, not more dense, so the gas on its own will have its own volume, but if the plastic creep is to have any influence it must be decreasing the density ?
[19:14] <RocketBoy> yeah - after creep its less dense therfore it floats higher up
[19:15] <chrisstubbs> pico is over dry land at last!
[19:15] <cm13g09> and coming in loud and clear
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[19:16] <GMT> I'm getting good sigs from it, but fldigi wont decode
[19:16] <RocketBoy> the overall balloon volume is greater as the plastic has stretched to a new larger size - if indeed ther has been any creep at all
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[19:16] <Geoff-G8DHE> But won't the plastic just wrinkle up to decrease its volume to match the volume of the gas ?
[19:18] <Geoff-G8DHE> That's what Heluim party balloons do as the gas escapes over time ?
[19:18] <RocketBoy> it won't be wrinkled
[19:18] <chrisstubbs> GMT do you need to tweak the shift a little?
[19:18] <RocketBoy> it;ll be fully stretched at the mo
[19:18] <chrisstubbs> i have found that with a couple of mine
[19:19] <RocketBoy> just bigger thn it was this time last night (if it has creeped)
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[19:20] <Geoff-G8DHE> PICO http://360.g8dhe.net/HAB_Flights/PICO/PICO_14.jpg
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[19:23] <PaulCDR> evening folks, anyone any advice on the best connection for connecting your antenna to the ntx2
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[19:24] <RocketBoy> most of us use SMA connectors
[19:25] <PaulCDR> Niceone RocketBoy, cheers
[19:25] <PaulCDR> its the last part to finish off my pcb design
[19:26] <Upu_M0UPU> https://plus.google.com/photos/118244444241111963790/albums/5851139201894660721/5851139314756708674?banner=pwa
[19:26] <Upu_M0UPU> you can solder them on like that too
[19:26] <Upu_M0UPU> but SMA is fine
[19:28] <PaulCDR> im attaching it to an arduino shield, so being able to detach is handy.
[19:29] <Geoff-G8DHE> Like the crushed by microsoft method!
[19:29] <PaulCDR> i like yours, is that a atmega chip in yours?
[19:30] <Upu_M0UPU> yeah atmega328p
[19:31] <PaulCDR> hope to do somthing like that for the next one
[19:31] <OZ1SKY_Brian> have pico picked up speed, it seems to be moving abit faster as it got over land?
[19:31] Ian___ (5184dcce@gateway/web/freenode/ip. joined #highaltitude.
[19:32] <Geoff-G8DHE> 23miles per hour at present
[19:33] <Laurenceb_> yeah its getting faster
[19:33] <Geoff-G8DHE> 24mph accelerating
[19:33] <RocketBoy> fsphil: it looks like its going to float at the same altitude
[19:34] <Laurenceb_> yeah
[19:34] <Laurenceb_> was this a normal envelope?
[19:34] <Laurenceb_> party balloon?
[19:35] <Ian___> Party Balloon doing well
[19:36] <OZ1SKY_Brian> yeah its having a blast, no wait for it, wait for it....
[19:36] <Geoff-G8DHE> PICO http://360.g8dhe.net/HAB_Flights/PICO/PICO_15.jpg heading for Lymington
[19:37] <fsphil> RocketBoy: so it is. result of the very low ascent rate?
[19:38] <x-f> Upu_M0UPU, what is that thing hanging from the payload on the 23rd picture?
[19:38] <OZ1SKY_Brian> I bet gonzo is standing on mount pleasent with a big net, watch out pico :-)
[19:39] <Upu_M0UPU> x-f slim jim antenna
[19:39] <Upu_M0UPU> with a choke at the top
[19:39] <Upu_M0UPU> for the 2 meter aprs
[19:40] <x-f> thanks
[19:40] <Laurenceb_> is it 300baud?
[19:40] <Laurenceb_> ooh - mainland
[19:41] <RocketBoy> fsphil: I expect so
[19:42] <Upu_M0UPU> remind me again what the dial is for this
[19:42] <Upu_M0UPU> ?
[19:42] <RocketBoy> may even be selling lower
[19:42] tiptop (b019a943@gateway/web/freenode/ip. joined #highaltitude.
[19:42] <daveake> same as last time you asked :)
[19:42] <Upu_M0UPU> I scrolled back but couldn't find it :)
[19:42] <daveake> 434351
[19:43] <Upu_M0UPU> ta
[19:43] <Laurenceb_> looks like it is settling lower
[19:44] <Ian___> Hi Jess
[19:44] <Laurenceb_> if you extrapolate the downward trend from last night its kind of lining up
[19:44] <x-f> Upu_M0UPU, if you do it again, you might want to get a translation to Russian language from a human, because that one (from google i guess) is quite broken :)
[19:44] <fsphil> I'm getting bbc scotland again .. good propagation but no sign of the payload
[19:44] <mfa298> alt this time last night was around 3520m
[19:44] <mfa298> near ramsgate 24 hours ago
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[19:45] <Upu_M0UPU> lol ok thx x-f I shall be in touch it was done by a Czech guy actually :)
[19:46] <x-f> i'm sure he did his best :)
[19:46] <cm13g09> still got nice green decodes here in Soton
[19:47] <Jess--> Hi Ian___ check your email
[19:48] <chrisstubbs> anybody got experience running the RFM22B at 300 baud? anything over 100 baud mine just turns to garbage :(
[19:48] <Ian___> will do
[19:48] <Upu_M0UPU> yeah probably timing chrisstubbs
[19:48] <Upu_M0UPU> are you doing high / low by switching frequencies ?
[19:49] <chrisstubbs> im using the offset thing from jcoxn i think
[19:49] <chrisstubbs> radio1.write(0x073, 0x03);
[19:49] <Upu_M0UPU> that can do 300
[19:49] <RocketBoy> fsphil: is radio scotland unusual?
[19:49] <daveake> the offset one is better I think
[19:49] <gb73d> getting ready for TV prog at 2000
[19:49] <gb73d> [19:38] <gb73d> [19:38] <gb73d> this is gonna be fun 2 hours of metoeor docus bbc 2
[19:49] <gb73d> [19:38] <gb73d> ch4
[19:50] <chrisstubbs> yeah apparently so :)
[19:50] <chrisstubbs> 20150 is 50 baud, so half that is 100 baud
[19:50] <chrisstubbs> that worked
[19:50] <chrisstubbs> then i divided that by 3 to get 300 baud and it went to garbage
[19:50] <mclane> ping fsphil
[19:50] <Upu_M0UPU> err its not 3
[19:50] <mclane> make -j 4
[19:51] <Upu_M0UPU> try 6
[19:52] <chrisstubbs> 3358.3
[19:52] <chrisstubbs> sorry i divided my 100 baud figure by 3
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[19:54] <mclane> fsphil: what is the meaning of the "droptest" variable in your ssdv code?
[19:55] <Ian___> Jess check email
[19:58] <Jess--> Ian___ it should have just jumped up to 203
[20:00] <Ian___> carrier on frequency 434.203.205
[20:01] Boggle (~Jon@cpc1-cmbg10-0-0-cust144.5-4.cable.virginmedia.com) joined #highaltitude.
[20:01] <Jess--> should be rtty at the moment
[20:01] <fsphil> mclane: it tells the decoder to drop a percentage of packets at random
[20:01] <fsphil> it's for testing the code that fills in gaps
[20:02] <chrisstubbs> Upu_M0UPU, your right it must be a timing thing. its just about readable at 150 baud, but nothing at all beyond that
[20:02] <chrisstubbs> 100 baud is flawless
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[20:03] <fsphil> RocketBoy: I've not checked much before, it seems to be there about half the time this weekend
[20:03] <fsphil> it's fading in and out a bit
[20:04] f5apq (0205614c@gateway/web/freenode/ip. left irc: Quit: Page closed
[20:04] <Ian___> RTTY clear on 434.203.00
[20:05] <chrisstubbs> Right all im off for top gear!
[20:05] <chrisstubbs> thanks for the help upu and fsphil :)
[20:07] jcoxon (~jcoxon@host86-169-238-71.range86-169.btcentralplus.com) joined #highaltitude.
[20:07] <jcoxon> back home
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[20:07] <lz1dev> $ cd ~
[20:07] <lz1dev> feels good
[20:08] <mclane> fsphil: what is it usefull for?
[20:08] <Geoff-G8DHE> PICO http://360.g8dhe.net/HAB_Flights/PICO/PICO_16.jpg
[20:08] <mclane> so it should stay at 0 I guess?
[20:09] <fsphil> mclane: it's for testing, you can ignore it
[20:09] <PaulCDR> first attempt at a circuit design, http://imgur.com/mczkmSE
[20:09] <jcoxon> Geoff-G8DHE, hehe, a bit bum
[20:09] <Geoff-G8DHE> But Half a loop completed!
[20:10] <jcoxon> indeed
[20:10] <griffonbot> Received email: "Re : Re: [UKHAS] Pico Launch this weekend (2/3 March)"
[20:12] <RocketBoy> fsphil: I was receiving a French station yesterday lunchtime - presumably ducting due to an inversion layer - I put the layer that PICO encountered on launch yesterday down to the same thing
[20:12] <griffonbot> Received email: James Coxon "Re: Re : Re: [UKHAS] Pico Launch this weekend (2/3 March)"
[20:14] <RocketBoy> jcoxon: foat is settling lower tonight - diffusion?
[20:15] <jcoxon> RocketBoy, i guess so
[20:15] <fsphil> RocketBoy: likely yea. this frequency seems to be from the north scottish coast, about 500km from here
[20:15] <RocketBoy> oh - yeah that sounds like ducting to me
[20:16] <RocketBoy> is it stronger than the loacl stations?
[20:16] <fsphil> no it's pretty weak
[20:16] Lunar_Lander (~gd-compto@p5488B4DB.dip.t-dialin.net) joined #highaltitude.
[20:16] <Lunar_Lander> evening
[20:17] <fsphil> at the moment it's just a weak trace on the waterfall
[20:17] <Lunar_Lander> do we have a flight?
[20:17] <Lunar_Lander> ah dang it was super launch day
[20:18] <Lunar_Lander> cool track that PICO made
[20:18] <fsphil> still making Lunar_Lander :)
[20:18] <Lunar_Lander> :)
[20:18] <Lunar_Lander> what do you think of this prediction? http://habhub.org/predict/#!/uuid=ae707dda116355fd79a92a11c796353222c1a254
[20:18] <RocketBoy> its been a great w/e for launches
[20:18] <mattbrejza> i tuned the ASTRA rxr last night and havnt touched it since
[20:18] <Lunar_Lander> hi RocketBoy
[20:19] <mattbrejza> well insulated jcoxon
[20:19] <Lunar_Lander> hi mattbrejza, we'll test habmodem on my friend's android tablet tomorrow
[20:19] <mattbrejza> cool
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[20:19] <mattbrejza> theres a bug i noticed today, make sure you have the latest on tue :P
[20:20] <RocketBoy> Lunar_Lander: looks good - go for it
[20:20] <Lunar_Lander> yeah
[20:21] <Lunar_Lander> today I was with my new girlfriend (yeah really new! :)) and we walked where she lives
[20:21] <Lunar_Lander> lots of open country
[20:21] <Lunar_Lander> and I said "That's what I would like as a landing zone"
[20:22] <SpeedEvil> http://www.youtube.com/watch?v=tCu9ilQ8ciM&feature=youtube_gdata_player
[20:22] <jcoxon> mattbrejza, indeed
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[20:22] <jcoxon> a whole 10g of insulation
[20:22] <SpeedEvil> (octopod)
[20:22] <SpeedEvil> off topic, rather
[20:23] <fsphil> pico still dropping
[20:24] <Laurenceb_> any shell script experts here?
[20:24] <Laurenceb_> i have an ... issue
[20:25] <lz1dev> ask away, somebody might be able to help
[20:25] <Lunar_Lander> jcoxon, is PICO yours?
[20:26] <jcoxon> Lunar_Lander, indeed it is
[20:26] <jcoxon> fsphil, yeah, hopefully it'll setllte down
[20:26] <lz1dev> it reaching yesterday's night altitude
[20:26] <lz1dev> its*
[20:26] <SpeedEvil> Laurenceb: ?
[20:27] <Lunar_Lander> jcoxon, great trajectory :)
[20:28] <Laurenceb_> http://pastebin.com/EA1PFvfr
[20:28] <Laurenceb_> oh wait i spot the issue
[20:28] <Laurenceb_> mv ./*/* ./
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[20:28] <Laurenceb_> i want to collapse subdirectories
[20:28] <Laurenceb_> mv ./*/* ./* ?
[20:29] <lz1dev> thats easy
[20:29] <lz1dev> you want all CSV from all dirs in one dir ?
[20:31] <zamabe> find . -type f -iname *.csv | xargs -i{} mv {} .
[20:31] <zamabe> right?
[20:31] <lz1dev> find . -type f -name "*csv" -exec mv {} . \; ; find . -type d -exec rm -rf {}
[20:31] <zamabe> (will replace/destroy files with the same name)
[20:31] <Laurenceb_> rm -rf
[20:31] <Laurenceb_> erm...
[20:32] <lz1dev> finds all directories in the currect directory runs rm -rf on them
[20:32] <Laurenceb_> i see
[20:32] <Laurenceb_> will mv ./*/* ./* work?
[20:33] <lz1dev> yep
[20:34] <lz1dev> i mean mv ./*/* .
[20:36] <Laurenceb_> i dodnt want to do that
[20:37] <Laurenceb_> i want to move /foo/bar/x.txt to /foo/x.txt
[20:38] <eroomde> execxargs
[20:38] <eroomde> er
[20:38] <eroomde> xargs
[20:39] <lz1dev> Laurenceb_: cd into foo and run mv ./*/* .
[20:39] <jcoxon> eeek pico is still dropping
[20:39] <Laurenceb_> hmf
[20:39] <eroomde> or that
[20:40] <Laurenceb_> that would require a loop
[20:40] <lz1dev> do it with find
[20:40] <Laurenceb_> no i have the nontrivial issue of how to fix all the collapsed directories
[20:40] <Laurenceb_> there are about 16TB of ~100KB files on the server
[20:41] <lz1dev> find . -maxdepth 1 -type d -exec mv {}/*/* {} \;
[20:42] <Laurenceb_> wtf
[20:42] <Laurenceb_> how do i copy and paste in nautilus using list view?
[20:43] <eroomde> i'm sure xargs would do it for you
[20:43] <eroomde> without writing loops
[20:43] <g7ogxchris> looks like PICO is going in
[20:43] <jcoxon> going in where?
[20:43] <jcoxon> :-)
[20:43] <g7ogxchris> s/n dropped markedly here
[20:43] <Laurenceb_> ok ill look at xargs
[20:43] <g7ogxchris> to the ground?
[20:44] <jcoxon> g7ogxchris,
[20:44] <jcoxon> our theory is it should float again
[20:44] <Laurenceb_> first i need to write a script to regroup the files using modification date
[20:44] <g7ogxchris> oh good...flapping abt a bit signal ok now...reset
[20:45] <mfa298> find can do stuff based on modification date
[20:46] <Willdude123> Looks like pico is still up.
[20:46] <Willdude123> Who flew it?
[20:47] <jcoxon> tis me
[20:47] <jcoxon> eek, below 3000m
[20:47] <g7ogxchris> going in
[20:47] <jcoxon> g7ogxchris, i have faith
[20:48] <g7ogxchris> sigs vy weak here
[20:48] <navrac_home> hmm it looks a bit like a terminal decline
[20:48] <g7ogxchris> very variable sigs
[20:49] <navrac_home> picos do seem to be rather unpredictable though
[20:49] <Willdude123> Where was it predicted to land?
[20:49] <OZ1SKY_Brian> thats whats make them fun to track
[20:49] <PaulCDR> anyone any recommendations for pcb manufactures
[20:49] <jcoxon> keep tracking it!
[20:49] <cm13g09> M0NSA replaces 2E0PPN in the tracking from Southampton
[20:49] Action: jcoxon calls for more data
[20:49] <g7ogxchris> will do
[20:50] <mfa298> I'm wondering if it could be cooler over land which might lead to a lower float
[20:50] <g7ogxchris> it's been great tks jcoxon
[20:50] <navrac_home> but once they drop >1000m they generally seem to die, no idea what the failure mechanism is though
[20:50] <mattbrejza> seeed, itead, hackvana, spirit go-naked. PaulCDR
[20:50] <Willdude123> Where are the hourly launch predictions?
[20:51] <Willdude123> Is PICO descending?
[20:51] <PaulCDR> great, thanks
[20:52] <g7ogxchris> looks like trackers in Bournemouth and London stand the best chance, relatively speaking I'm in a bit of a hollow sleepy
[20:52] <navrac_home> its well out ofmy range now
[20:52] <g7ogxchris> we think so whether PICO is teasing we don't know
[20:52] <mfa298> g7ogxchris: astra (and possibly other soton trackers) should do well as well
[20:54] <g7ogxchris> warm today and reached dew point here so maybe atmosphere giving up its' water..
[20:54] <g7ogxchris> partials only here
[20:54] <eroomde> i can tell this is a pico record flight by measuring how many calendar days spacenarus has just taken to load
[20:55] <g7ogxchris> mfa298 yes up to you boys..watch those screens!
[20:55] <g7ogxchris> lol
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[20:55] <g7ogxchris> rewind of data stream failed
[20:56] <mfa298> I'm not sure how well I'll do over night personally as the antenna is inside. But astra usually does well
[20:56] <GMT> I won't be listening overnight, I will switch off everything; but I will look again in the morning before 8am
[20:57] <g7ogxchris> must admit popped into shack a couple of times o/n!
[20:58] <jcoxon> go Pico
[20:58] Last message repeated 1 time(s).
[20:58] <GMT> I'm getting lots of signal, but fldigi wont decode
[20:58] <cm13g09> I suspect M0NSA will be going overnight
[20:59] <M0NSA> I'm decoding fine here GMT
[20:59] <M0NSA> though i do keep losing the signal
[20:59] <g7ogxchris> same here.. PICO fighting back
[20:59] <mfa298> height might have stabalised
[21:00] Geoff-G8DHE (5d61a0c6@gateway/web/freenode/ip. left irc: Ping timeout: 245 seconds
[21:00] <gb73d> 2100 BBC2 Meteor docu
[21:00] <GMT> MoNSA: you're about 20 miles from it, I'm about 80!
[21:00] <Lunar_Lander> hi OZ1SKY_Brian
[21:00] <Lunar_Lander> gb73d, the meteor from three weeks ago?
[21:00] <g7ogxchris> do they fly in and out of Bournemouth at night?
[21:00] <gb73d> yes
[21:00] <fsphil> there was just a program on channel 4 about that
[21:00] <fsphil> it was a bit naff
[21:00] <benoxley> burst vid from POP today: http://www.youtube.com/watch?v=yPfrnkudE2A&feature=youtu.be
[21:01] <gb73d> i am rec both
[21:01] <SpeedEvil> fsphil: yeah, alas, there isn't much you can really say
[21:01] <M0NSA> GMT, true
[21:01] <Lunar_Lander> gb73d, which channel?
[21:01] <Lunar_Lander> BBC2?
[21:01] <SpeedEvil> fsphil: orbit, boom
[21:01] <gb73d> yes right now
[21:01] <Lunar_Lander> hi benoxley
[21:01] <Lunar_Lander> thanks
[21:01] <Lunar_Lander> :)
[21:01] <fsphil> I suspect the bbc one will be a bit crap too. Horizon is basically dramatic voice over, inaccurate animations, all repeated about 20 times
[21:01] <jcoxon> Pico pull up
[21:01] Action: SpeedEvil waits for it to turn up in iPlayer.
[21:02] <gb73d> i tort the ch4 docu was great
[21:02] <gb73d> saw them finding the fragments
[21:03] <gb73d> the sentinal IR satellite idea
[21:03] <number10_M0MDB> can just about hear it from here jcoxon
[21:03] <gb73d> basic admission that we could be wiped out
[21:03] <Willdude123> I should run a thing with that papercraft thing and have a competition on my MC server, whoever donates the most get's their Minecraft skin in near-space.
[21:03] <benoxley> hi Lunar_Lander (and everyone)
[21:03] <Lunar_Lander> :)
[21:03] <Lunar_Lander> I am excited!
[21:03] <g7ogxchris> which we knew anyway but worth scaring the masses regularly
[21:03] <Lunar_Lander> T-2 days for my balloon
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[21:03] <Lunar_Lander> or more like 1 day and 11 h
[21:04] <Upu_M0UPU> pico coming down ?
[21:04] <Lunar_Lander> hi anthony
[21:04] <Upu_M0UPU> Hi Lunar
[21:04] <Lunar_Lander> how's life?
[21:05] <number10_M0MDB> hope pico levels off
[21:05] <Upu_M0UPU> yeah
[21:05] <mfa298> looking at the raw data i think it's leveling off
[21:05] <g7ogxchris> partials only s/9 9dB
[21:05] <mfa298> had stayed at 2900 +/- 20m for around 10 mins
[21:06] <Willdude123> Upu: What does the M0UPU in your name mean?
[21:06] <OZ1SKY_Brian> benoxley oh the figure allmost fell off
[21:06] <Upu_M0UPU> Its my radio amateur call sign Willdude123
[21:06] <Upu_M0UPU> the OZ1SKY in OZ1SKY_Brian is Brians etc
[21:06] <benoxley> OZ1SKY_Brian: He has a chest strap you can't see quite as well, it does look close, but he should have been okay anyway :)
[21:06] <Upu_M0UPU> M= UK OZ= Denmark
[21:07] <Willdude123> Oh. What is it with M0s, I've seen them somewhere else?
[21:07] <OZ1SKY_Brian> benoxley ok good, nice video
[21:07] <eroomde> they are the standard prefix for full licenses in the UK atm
[21:07] <jcoxon> faint traces in london
[21:08] <Willdude123> Have you tried contacting the ISS via ham radio?
[21:08] <Upu_M0UPU> M0= full license holder
[21:08] <g7ogxchris> struggling here to see in noise
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[21:09] <eroomde> i just heard Mumford & Sons described as 'trust fund wurzels'
[21:09] <eroomde> perfect
[21:09] <Upu_M0UPU> I managed to repeat a packet from ISS from a Greek Station on APRS Willdude123
[21:09] <Upu_M0UPU> didn't intend to do it
[21:10] <g7ogxchris> anyone else using SDR Console with reccomended settings for weak sigs?
[21:10] <OZ1SKY_Brian> i gotta show off now http://oz1sky.smart-tech.dk/qslcard/iss_award.JPG
[21:10] <OZ1SKY_Brian> lol
[21:10] <Upu_M0UPU> lol
[21:10] <eroomde> i helped with an iss qso at the school we did some work with. spoke to charles simonyi
[21:10] <Willdude123> What did you have to do to get a full license?
[21:10] <mfa298> altitude trend still seems to be downward but fairly slow
[21:10] <Upu_M0UPU> You pass the Foundation exam, then the intermediate
[21:10] <Upu_M0UPU> and then the full
[21:10] <Willdude123> Are they hard?
[21:10] <g7ogxchris> congratulations OZ1SKY
[21:10] <Upu_M0UPU> Full needs some study
[21:11] <Upu_M0UPU> Foundation can be done fairly easily
[21:11] <Upu_M0UPU> but you will need to go to your local radio club
[21:11] <jcoxon> mfa298, the question is how much He did we lose
[21:11] <jcoxon> is there enough to float at night time temperatures
[21:11] <Chris_26CT897> I'm doing the foundation in april!
[21:11] <g7ogxchris> if it stays up till sunrise it has a chance
[21:11] <OZ1SKY_Brian> g7ogxchris thanks, its not new, just now i had the chance to show it off, with the ISS talk. LOL
[21:11] <Upu_M0UPU> so is daveake :)
[21:12] <Lunar_Lander> Upu_M0UPU, I am excited
[21:12] <Lunar_Lander> countdown is on
[21:12] <Upu_M0UPU> once you get your foundation you get a call sign like M6 something, I'm M6UPU
[21:12] <mfa298> Willdude123: there should be some info about the foundation here http://www.rsgb.org/arls/foundation_licence.php
[21:12] <g7ogxchris> so Brian you been waiting!!!! nice acheivement
[21:12] <Upu_M0UPU> Good Lunar_Lander can't wait
[21:12] <junderwood> What is the predicted path for Pico? (assuming it stabilises)
[21:12] <Geoff-G8DHE> PICO flight http://360.g8dhe.net/HAB_Flights/PICO/PICO_17.jpg
[21:12] <jcoxon> junderwood, north
[21:12] <jcoxon> then east
[21:12] <junderwood> Ooh
[21:12] <Lunar_Lander> Upu_M0UPU, http://habhub.org/predict/#!/uuid=ae707dda116355fd79a92a11c796353222c1a254
[21:12] <g7ogxchris> M0upu am I right in saying foundation mostly safety and interferance avoidance?
[21:12] <jcoxon> greatly depends on float altitude though
[21:13] <Upu_M0UPU> launching on Tuesday ?
[21:13] <Lunar_Lander> yeah
[21:13] <Willdude123> Couldn't someone fake a callsign?
[21:13] <mfa298> g7ogxchris: there used to be a sample foundation exam online.
[21:13] <g7ogxchris> think curriculum is on line
[21:13] <Upu_M0UPU> they could Willdude123 yes
[21:13] <g7ogxchris> i'll have a quick look
[21:13] <junderwood> We have our NOTAM but the prediction is moving too far south for us.
[21:13] <craag> g7ogxchris: Yep, and walking you through a qso, that kind of thing. (I'm an instructor)
[21:14] <junderwood> Landing is currently close to Stevenage
[21:14] <Upu_M0UPU> Willdude123 http://www.amazon.co.uk/Foundation-Licence-Now-Alan-Betts/dp/1872309801/ref=sr_1_1?ie=UTF8&qid=1362345256&sr=8-1
[21:14] <GMT> I spoke with ISS a few years ago, but all you really get is a simple repeat of your call-sign
[21:15] <Upu_M0UPU> but I would find your local club first as they are likely to have a copy
[21:15] <Upu_M0UPU> there are some sample questions here : http://www.hamtests.co.uk/
[21:15] <craag> Willdude123: Where are you located roughly?
[21:15] <g7ogxchris> GMT i had a go must be 12 14 years ago KB5UAC just repeated my call so wasn't convinced and never chased it :@{
[21:16] <Willdude123> Oakley, Hants.
[21:16] <g7ogxchris> ham county
[21:16] <GMT> It was a great feeling to be able to say 'I worked ISS', but it felt a bit ... antispetic
[21:16] <gb73d> 1996khz lsb ham
[21:16] <Upu_M0UPU> nice and close to Cambridge
[21:17] <eroomde> hants is close to cambridge?
[21:17] <g7ogxchris> The wonderful thing about any hobby is the enthusiasm of other people, my teachers couldn't do enough for me
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[21:17] <g7ogxchris> gmt yes a let down
[21:17] <GMT> we had a superb teacher at night-school in the 80s who taught us
[21:18] <craag> Willdude123: Ok, Itchen Valley ARC near Southampton certainly do courses, I'll see if I can find out about one nearer though.
[21:18] <Upu_M0UPU> oh sorry wrong one
[21:18] <g7ogxchris> it is true what they say that you never forget a good teacher
[21:18] <craag> I do courses at southampton uni, and the Southampton local club also do them, so plenty of opportunity here!
[21:18] <g7ogxchris> strong sigs now!!! what's all that about? lol
[21:19] <GMT> I was (am?) G6SUQ from 1983 onwards; used regularly for 7-8 years, then let it lapse; probably quite easy to get it back active again
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[21:19] <jcoxon> not leveling off yet
[21:19] <jcoxon> come on Pico - don't give up now
[21:20] <g7ogxchris> no but sigs better weird
[21:20] <g7ogxchris> pull back on the stick...
[21:20] <OZ1SKY_Brian> GMT you have to renew in the UK ?
[21:20] <Upu_M0UPU> you have to reconfirm your details every 5 years
[21:20] <OZ1SKY_Brian> i see
[21:21] <g7ogxchris> good that it's free
[21:21] <OZ1SKY_Brian> here its test>pay>die :-)
[21:21] <g7ogxchris> how much?
[21:22] <GMT> 'Renew' scheme started about 10 yrs ago, have to renew every 5; still got my old paper licence from 1983
[21:22] <OZ1SKY_Brian> hhhmmmm dont know how must it is now, can´t remeber what i payed, was years ago.
[21:22] <eroomde> really?
[21:22] <eroomde> i had better do that
[21:22] <g7ogxchris> LOL lot of peeps say that!!!
[21:22] <Upu_M0UPU> yeah just logon to OFCOM and just click confirm that your details are ok
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[21:22] <Willdude123> Do the ISS just say Hi, <name>, now bugger off?
[21:23] <eroomde> i think i got my M0 when i was 20, when i needed to make some rf stuff for a project
[21:23] <Upu_M0UPU> its like train spotting Willdude123
[21:23] <g7ogxchris> the prob I had is they have a more secure password routine
[21:23] <GMT> typical OFCOM mess-up, 1st reneal was free because they screwed-up
[21:23] <eroomde> Willdude123: they talk about the weather and whether or not they have back pain
[21:23] <eroomde> this is how ham radio works if there is time for a conversation
[21:23] <Upu_M0UPU> lol
[21:23] <eroomde> if there isn;t they merely acknowledge that they have heard each other than move on
[21:23] <g7ogxchris> Willdude time is short and there are many peeps
[21:24] <eroomde> it's the radio equivalent of a knowing nod across a crowded room
[21:24] <Lunar_Lander> Upu_M0UPU, did you see my prediction?
[21:24] <GMT> willdude: you're just transmitting yr callsign as they fly overhead, and they repeat the calls they heard; that's it - job done, move on!
[21:24] <Upu_M0UPU> its ok because if you ever do have a QSO (conversation) with a real HAM you will end up wishing they were on ISS and about to disapper over the horizon
[21:24] <Upu_M0UPU> apart from the HAMs on here they are all ok
[21:24] <g7ogxchris> up to you what you want to do, short sharp xchange in competitions (tests) or longer chats
[21:24] Action: Upu_M0UPU gets his coat
[21:24] <GMT> well, mostly
[21:25] <g7ogxchris> g7ogx says no need and hands it to him
[21:25] <Upu_M0UPU> I think I stopped listening to my local repeater when two of them were on about wing mirrors for a Honda Jazz
[21:25] <GMT> discussions about aerials, radios, projects, and so on
[21:25] <eroomde> i put the reeater on for some friwends once in my room in college
[21:25] <eroomde> open mouths
[21:25] <eroomde> repeater*
[21:25] <g7ogxchris> i know terrible sometimes but many are aged and withdrawn into themselves
[21:26] <GMT> SL was the 2m one to listen to - what a farce!
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[21:26] <eroomde> the best route from st neots to somewhere else you wouldn;t want to go, strategies for maximising the life of underpants, and whether or not to get a gastric band
[21:26] <Upu_M0UPU> lol
[21:26] <g6uim> just got home and moved the beam just about getting an S1 signal nice and loud
[21:26] <g7ogxchris> LOL
[21:26] <GMT> LOL2
[21:26] <Upu_M0UPU> you're not allowed to swear or be offensive but you can be as dull as you like
[21:27] <g7ogxchris> s/n 18dB now tring to imagine what is happening up ther
[21:27] <GMT> so, Ed; what is the best strategy for maximising .....
[21:27] <g7ogxchris> i think a cool wash
[21:27] <Upu_M0UPU> I don't want to be the bringer of bad news but I don't think PICO is staying up
[21:27] <g7ogxchris> nah
[21:27] <Upu_M0UPU> certainly not settling down to float
[21:27] <GMT> what soap-powder. Dammit man, this is important scientific research!
[21:28] <eroomde> wearing them once, leaving them for a few days to dry/bacteria to die, then wearing them inside out
[21:28] <eroomde> *then* washing
[21:28] <jcoxon> 30:26mins flight time
[21:28] <g7ogxchris> no soap powder...........................................SSSsssh hand soap
[21:28] <Upu_M0UPU> flying over where Pie landed
[21:29] <g7ogxchris> place underpants in freezer
[21:29] <Lunar_Lander> XD
[21:29] <OZ1SKY_Brian> g7ogxchris looks like its about 46£ to take the test and get the licens. Can´t find any other info on it than that.
[21:29] <Lunar_Lander> btw
[21:29] <Lunar_Lander> where are the flights in Holland?
[21:29] <cuddykid> wonder why it's not settling down for float - doesn't look like it's burst
[21:29] <Lunar_Lander> where is Hyperion?
[21:29] Action: mfa298 hates excel
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[21:30] <jcoxon> cuddykid, its getting cold
[21:30] <GMT> The holland flights were yesterday, both landed
[21:30] <g7ogxchris> ok brian i suppose that's not bad depends on quality of exam paper
[21:30] <jcoxon> Lunar_Lander, all the weekend launches are done
[21:30] <cuddykid> jcoxon: but no different to last night?
[21:30] <jcoxon> its lost helium over the 30 hours of flight
[21:30] <Lunar_Lander> jcoxon, ah that was saturday?
[21:30] <Lunar_Lander> ah
[21:31] <mfa298> I think these days getting licensed here gets expensive as you have to do all three exams if you want the full
[21:31] <g7ogxchris> would it be icing up there?
[21:31] <Upu_M0UPU> its only lost 50 meters in 10 mins
[21:31] <cuddykid> ah
[21:31] <jcoxon> g7ogxchris, could do
[21:32] <OZ1SKY_Brian> Lunar_Lander i really hope you dont get too late to your own launch, your pretty good at it here LOL
[21:32] <Lunar_Lander> xD well I was at friends for the weekend
[21:32] <Lunar_Lander> :)
[21:32] <cuddykid> ground speed picked up quite a bit
[21:33] <jcoxon> http://ready.arl.noaa.gov/hysplitout/11909_trj001.gif
[21:33] <Ciemon-G0TRT> Well that's frustrating.. didn't manage to decode anything from PICO's flyby :/
[21:34] <Upu_M0UPU> whats your antenna ?
[21:34] <mfa298> looks like it lost about 500m from 20:15 to 21:15
[21:34] <Ciemon-G0TRT> The joys of being indoors on the stock antenna I guess
[21:34] <Ciemon-G0TRT> with an 817
[21:34] <mfa298> Ciemon-G0TRT: it's still going
[21:34] <Upu_M0UPU> about to say you should be able to pick that up from your location with an 817
[21:34] <Ciemon-G0TRT> all part of the fun :)
[21:34] <Upu_M0UPU> got a yagi ? just dangle it out of the window, don't even point it
[21:35] <Ciemon-G0TRT> It's in the garage and I have the lurg, so, next time.
[21:35] <Upu_M0UPU> nps
[21:35] <mfa298> Ciemon-G0TRT: I'm using a 817 with a home made 2m dipole inside the window here (southampton) and still getting good decodes
[21:35] <g7ogxchris> maybe ice then ground temps there are 2-3 degrees C
[21:35] <jcoxon> you can do it Pico
[21:35] <g7ogxchris> is lurg flu?
[21:36] <Ciemon-G0TRT> uhuh
[21:36] <g7ogxchris> same here
[21:36] <g7ogxchris> whols family
[21:36] <Ciemon-G0TRT> nice
[21:36] <g7ogxchris> but had flu vaccination and I wasn't so bad
[21:37] <Upu_M0UPU> http://ready.arl.noaa.gov/hysplitout/18913_trj001.gif
[21:37] <Upu_M0UPU> if it really drops NigelMoby is picking it up :)
[21:37] <NigelMoby> oh aye I got the bike ready...lol
[21:38] <g7ogxchris> ere i fink those brizzle boyz are due for a surprise!
[21:39] <OZ1SKY_Brian> NigelMoby don´t get to cocky, that bike might be going to Norway with you on it :-)
[21:39] <Ciemon-G0TRT> That would be very cool
[21:39] <Lunar_Lander> hi NigelMoby
[21:39] <NigeyS> haha, hope not its the fiance's and has pink pedals!!
[21:39] <Lunar_Lander> XD
[21:39] <g7ogxchris> PICO is male I take it?
[21:40] <NigeyS> jcoxon, if it drops between me and mid wales, i can possibly attempt recovery with my dad tomorrow am ?
[21:40] <g7ogxchris> reset
[21:41] <jcoxon> NigeyS, lets see where it goes!
[21:42] <NigeyS> we're not letting you in without a passport sonny! :p
[21:42] <g7ogxchris> and a sheep
[21:42] <NigeyS> we have plenty of sheep, must have passport and wellies!
[21:43] <Lunar_Lander> ?
[21:43] <Lunar_Lander> don't you need to pay toll money for going to wales?
[21:43] <g7ogxchris> i see the Welsh are trying to claim the kilt as their national dress now
[21:44] <NigeyS> oh dear
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[21:44] <jcoxon> don't you dear go below 2500m
[21:44] <NigeyS> i'm quite happy in my jeans tnx!
[21:44] <jcoxon> dare*
[21:44] <g7ogxchris> but we think it's because the sheep are starting to recognise the sound of a zip!
[21:44] <NigeyS> thats it james you tell him!
[21:44] <Lunar_Lander> xD Gavin & Stacey
[21:45] <g7ogxchris> signal to noise up again come on pull on that stick
[21:45] <NigeyS> jcoxon, 2516 .. hah it listened!
[21:46] <jcoxon> damn
[21:46] <jcoxon> ouch
[21:47] <Laurenceb_> i think its in cloud
[21:47] <NigeyS> oo ok now it gave you the fingers lol
[21:47] <Laurenceb_> water droplets on the envelope
[21:47] <g7ogxchris> yes would explain it
[21:47] <Laurenceb_> it might just evaporate off it if goes below the cloud
[21:48] <jcoxon> its not giving up
[21:49] <jcoxon> yeah
[21:49] <OZ1SKY_Brian> jcoxon is this comming up on a duration record or?
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[21:49] <NigeyS> 2505 .. de ja vu james :|
[21:49] <OZ1SKY_Brian> 1.6 m/s :-)
[21:50] <OZ1SKY_Brian> abit of lift
[21:50] <g7ogxchris> nice decodes now
[21:50] <OZ1SKY_Brian> -1.5 m/s aarrrhhh
[21:51] <g7ogxchris> reset
[21:52] <griffonbot> Received email: Steve Daniels "[UKHAS] PICO Tracking"
[21:52] <Lunar_Lander> btw
[21:52] <Lunar_Lander> SpaceX made it once again
[21:52] <Upu_M0UPU> high cloud
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[21:54] <Upu_M0UPU> at least mine had the decency to die in a blaze of high velocity action
[21:54] <OZ1SKY_Brian> NigeyS how come your not tracking it?
[21:54] <g7ogxchris> nothing special on the wx radar
[21:54] <daveake> If it's below cloud, it can ee PIE4's landing spot from there
[21:54] <daveake> see
[21:54] <Upu_M0UPU> yep its close
[21:54] <NigeyS> still fairly faint here on the whip
[21:54] <Upu_M0UPU> you need a better antenna Nigel
[21:54] <NigeyS> i have one lol just not where it should be !
[21:55] <NigeyS> like.. 10 ft above my bloody chimney
[21:55] <OZ1SKY_Brian> faint? your allmost in the 5deg window?
[21:55] <NigeyS> im 17m asl in the middle of a city brian
[21:55] <Upu_M0UPU> 100 meters every 10 mins
[21:55] <jcoxon> hmmm not looking good
[21:56] <OZ1SKY_Brian> ah ok i see NigeyS
[21:56] <daveake> jcoxon if that does come down do you want it back?
[21:56] <Upu_M0UPU> long and drawn out but its coming down
[21:56] <NigeyS> i can hear fine brian, have done since yesterday but to weak to decode.
[21:56] <jcoxon> ummm only if its easy
[21:56] <daveake> sure
[21:57] <Upu_M0UPU> Would be amazing if you got it back
[21:57] <g7ogxchris> is this a record for a pico?
[21:57] <Upu_M0UPU> I wouldn't have to make another :)
[21:57] <daveake> lol
[21:57] <OZ1SKY_Brian> is it a ava board?
[21:57] <Upu_M0UPU> sort of
[21:58] <Upu_M0UPU> ATLAS/PAVA
[21:58] <OZ1SKY_Brian> i see
[21:58] <Upu_M0UPU> Its this one : http://ava.upuaut.net/?p=471
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[21:58] <Upu_M0UPU> designed by jcoxon and I to basically do this
[21:58] <Upu_M0UPU> jcoxon's code
[21:59] <OZ1SKY_Brian> ah yes did see that earlyer
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[22:00] <mattbrejza> did you work out why the geofence messed up a bit over kent Upu_M0UPU ?
[22:00] <Upu_M0UPU> yeah
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[22:00] <mattbrejza> missed digit or similar?
[22:00] <Upu_M0UPU> I'd missed a digit when converting from KML to the code
[22:00] <mattbrejza> typical :P
[22:00] <Lunar_Lander> well done mattbrejza
[22:00] <Lunar_Lander> :)
[22:01] <Upu_M0UPU> I think this was what it had : http://i.imgur.com/9hLMBfc.jpg
[22:01] <daveake> Lunar_Lander All set for your launch?
[22:02] <Lunar_Lander> not yet, tomorrow we will do the final things
[22:02] <jcoxon> 31 hours
[22:02] <daveake> ok
[22:02] <Lunar_Lander> but I prepared the SD cards for example
[22:03] <jcoxon> i wonder if its in cloud
[22:03] <jcoxon> as its down to 5 sats
[22:03] <jcoxon> and altitude is jumping a bit
[22:04] <daveake> just a bit!
[22:04] <Upu_M0UPU> satellites do wander about in PSM
[22:04] <Upu_M0UPU> ouch
[22:05] <Upu_M0UPU> wierd up and down but more down than up sadly
[22:06] <daveake> Stubborn innit?
[22:08] <griffonbot> Received email: Matthew Brejza "Re: [UKHAS] Re: Launch Announcement - UoS Physics Outreach, New
[22:08] <jcoxon> its going for bristol
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[22:09] <NigeyS> aye, its just swung west a bit, bristol it is..
[22:09] <griffonbot> Received email: anerDev "[UKHAS] Can I use this antenna for tx ?"
[22:10] <Lunar_Lander> btw did I show you the final mod of my payload?
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[22:10] <Geoff-G8DHE> PICO flight http://360.g8dhe.net/HAB_Flights/PICO/PICO_18.jpg
[22:11] <Lunar_Lander> Upu_M0UPU, NigeyS daveake http://s.gullipics.com/image/l/8/b/5yvfld-kmkars-xdad/IMG6606.jpeg
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[22:12] <eroomde> anerDev's 2nd attachment diagram looks like one of those rddit sad faces
[22:12] <eroomde> http://4.bp.blogspot.com/-svehF9YhQAQ/Ty0kNKCIvDI/AAAAAAAAACs/eVuo6WkPWVc/s400/happy-crying-face-tumblr-meme.png
[22:12] <NigeyS> looks good kev
[22:12] <daveake> I think PICO has settled down for another float
[22:12] <NigeyS> lol eroomde
[22:13] Action: jcoxon watches and waits
[22:13] <daveake> tense
[22:13] <Laurenceb_> uni of bath flyby
[22:13] <g7ogxchris> bizzo
[22:13] <eroomde> Lunar_Lander: the batteries will be packed inside the box for the flight, yes?
[22:13] <g7ogxchris> brizzo
[22:14] <jcoxon> this is the craziest flight ever
[22:14] <jcoxon> considering it nearly didn't make the coxon kilometer
[22:14] <jcoxon> kilometre*
[22:14] <daveake> :)
[22:14] <g7ogxchris> maybe below cloud now let's hope so time for zzz now will leave kit on O/N gnight all
[22:14] <Lunar_Lander> eroomde, of course
[22:14] <jcoxon> night g7ogxchris
[22:14] <jcoxon> thanks for the help!
[22:14] <daveake> One of mine stopped at the Dave Double 100m
[22:15] <g7ogxchris> tks fer balloon
[22:15] <NigeyS> jcoxon
[22:15] <NigeyS> METAR EGGD 032150Z 08008KT 9999 FEW019 02/M00 Q1018
[22:15] <NigeyS> for bristol airport
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[22:16] <jcoxon> few clouds
[22:16] <NigeyS> 080 deg winds? forget what the metar format is ..
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[22:16] <jcoxon> http://en.allmetsat.com/metar-taf/united-kingdom-ireland.php?icao=EGGD
[22:17] <NigeyS> ahh thats better lol
[22:17] <jcoxon> daveake, i think that pause was temporary
[22:18] <daveake> tricky to tell isn't it, with the noise
[22:19] <jcoxon> its not taking an easy route
[22:20] <jcoxon> bath - bristol - cardiff
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[22:22] <chrisstubbs> fsphil, IT BLOODY WORKS
[22:23] <fsphil> lol
[22:23] <chrisstubbs> first packet of SSDV sent
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[22:24] <F6AGV> evening, I think pico landing will be in Brecon National Park ?
[22:24] <daveake> Weeeelll .... I'm still not sure it's coming down
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[22:24] <fsphil> it may still float
[22:24] <chrisstubbs> fsphil, i declare the packet like this... prepare yourself.. http://paste.chris-stubbs.co.uk/9PS62lNe
[22:24] <chrisstubbs> whats a "better" way of doing it?
[22:25] <fsphil> you don't need char()
[22:25] <chrisstubbs> i tried it without and it just constantly transmitted UfUfUf...
[22:25] <fsphil> and although it doesn't matter, uint8_t (or unsigned char) is the data type :)
[22:26] <fsphil> your sending it as a string then
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[22:26] <chrisstubbs> so is this simalar to how your programmed your first test?
[22:26] <fsphil> I had the jpeg file stored as an array
[22:26] <chrisstubbs> i loop through the car array and use rtty_txbyte()
[22:27] <chrisstubbs> is there an easier way to get the output file onto the arduino than copying and pasting it from hex editor?
[22:27] <fsphil> you can write a little program to read a file and output the text for the array
[22:28] <chrisstubbs> ive been using find&replace in word
[22:28] <chrisstubbs> not a bad idea though
[22:29] <chrisstubbs> is it a multidimensional array like array[byte,packet] ?
[22:29] <fsphil> I didn't store the packets, I just stored the jpeg
[22:29] <fsphil> and fed that to the encoder
[22:29] <chrisstubbs> ah i see, im not quite onto that bit yet :P
[22:30] <chrisstubbs> and that sounds like the difficult part haha
[22:30] <fsphil> it's not too bad
[22:30] <fsphil> talking with the camera will be more work
[22:30] <Upu_M0UPU> http://habhub.org/predict/#!/uuid=ac317b67de7f298a395791f0056ece71bdeef1cb
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[22:30] <chrisstubbs> oh fun ;) What camera do you reccomend?
[22:30] <Upu_M0UPU> sure you want to recover daveake ? :)
[22:31] <daveake> lol
[22:31] <griffonbot> Received email: Kevin Walton "[UKHAS] Tracker Schematic Review"
[22:31] <NigeyS> its swung east a bit now.. make ya mind up Pico !!
[22:31] <fsphil> chrisstubbs: the one I had used was discontinued, but there is the Linksprite -- which I've not tried
[22:31] <griffonbot> Received email: anerDev "[UKHAS] Re: SPUTNIK-2 aka SP9UOB-4 launch, 27.01.2013 at 14:00 UTC"
[22:32] <Lunar_Lander> yeah the linksprite made me pull my hair so far
[22:32] <chrisstubbs> the manual looks nice and simple
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[22:34] <chrisstubbs> this will be the end of me.
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[22:36] <pb0ahx> hoi wouter
[22:36] <Wouter-[pa3weg]> hi herman
[22:37] <Lunar_Lander> why chrisstubbs ?
[22:39] <chrisstubbs> Lunar_Lander, SSDV is going to take me quite some time to get my head around!
[22:39] <Lunar_Lander> ah
[22:39] <Lunar_Lander> :( yea
[22:39] <chrisstubbs> are you working on it for your payload too?
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[22:44] <jcoxon> eeek
[22:44] <jcoxon> about to hit the 2000m mark
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[22:46] <NigeyS> :(
[22:47] <fsphil> at this rate it'll land north of the beacons
[22:48] <LazyLeopard> Hmmm... Tracker's beginning to get very sluggish...
[22:48] <jcoxon> PICO 42692 points
[22:49] <LazyLeopard> ;)
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[22:49] <gonzo_> it's still loud enough to decode here, if it wasn;'t for some nasty qrm in that direction
[22:51] <DiJuMx> Hey guys, What happened to Pico? I noticed it was a bit low yesterday but I didn't expect it to still be going!
[22:51] <chrisstubbs> :D just stuck the rest of the output into the array and its sent the whole image perfectly
[22:51] <daveake> Long float sadly coming to a slow end now
[22:51] <chrisstubbs> its SO slow on 100 baud though
[22:52] <daveake> 600 much better :)
[22:52] <fsphil> yea 600 is the new 300
[22:52] <chrisstubbs> ooo 1972m :( i lost PICO just as it left the new forest
[22:53] <fsphil> I don't think it's gonna pull out of this dive. she dinny have the power capt'n
[22:53] <fsphil> it's like the russian meteor in slow motion
[22:53] <chrisstubbs> my RFM22B seems to bottom out at 100baud. any faster and the decodes just turn to garbage in fldigi
[22:53] <daveake> Silly lack of dilithium
[22:53] <chrisstubbs> haha
[22:54] <OZ1SKY_Brian> gotta go, gn all
[22:54] <craag> chrisstubbs: Have you widened the filters?
[22:54] <fsphil> nite!
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[22:54] <daveake> chrisstubbs Timing with a delay or my timer interrupt?
[22:54] <daveake> by
[22:54] <fsphil> timing becomes more critical with faster rates
[22:54] <chrisstubbs> delay
[22:54] <daveake> There you go
[22:54] <daveake> rfm is easily capable of 100
[22:55] <chrisstubbs> i suppose i should move to the dark side of interrupts then
[22:55] <daveake> Yup it's worth it
[22:55] <craag> rfm can do 600 baud fine with interrupts.
[22:55] <fsphil> yes very much so
[22:55] <daveake> indeed
[22:55] <chrisstubbs> cool. i will have to give that a go then! :)
[22:55] <fsphil> it also helps the FEC, as it times the gaps between good decodes to work out how many missing bytes there are
[22:56] <fsphil> if that calculation is wrong then the FEC has no chance
[22:56] <chrisstubbs> daveake, do you have a interrupts example then?
[22:56] <daveake> ooer didn't know that fsphil
[22:56] <jcoxon> cleared the M4
[22:56] <fsphil> yea. it times it, so that if there is a gap of x or more characters, it pads them out and tells the RS decoder
[22:57] <craag> chrisstubbs: http://ava.upuaut.net/?p=408
[22:57] <daveake> Will it stop to pay the toll?
[22:57] <gonzo_> do the delays in sending I2C conmmands not start to become an issue at higher tares?
[22:57] <NigeyS> hah nope, its headed for the forest of dean though :|
[22:57] <fsphil> I suppose if the delay is the same each time gonzo_, it doesnt' matter
[22:57] <gonzo_> tru phill
[22:57] <chrisstubbs> sweet :) got a project for tommorow after work then
[22:57] <chrisstubbs> cheers guys
[22:58] <chrisstubbs> im off. night! and hope pico lands ok!
[22:58] <gonzo_> though does the internal uart not start becoming useable at 300bd?
[22:58] <daveake> come on and land already :)
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[22:58] <fsphil> nite chrisstubbs
[22:58] <jcoxon> below 2000m
[22:59] <NigeyS> oo within sniper range then, know any snipers? :p
[22:59] <chrisstubbs> thanks for the tips fsphil. no way would i have got that working on my own!
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[23:00] <daveake> Almost a sine wave there on top of the gentle descent http://i.imgur.com/IgTJ1I5.png
[23:02] <jcoxon> pull up damn you
[23:02] <Upu_M0UPU> can you hear it NigelMoby ?
[23:03] <NigeyS> i can, but its very faint still
[23:03] <gonzo_> an odd ground proximity warning
[23:03] <Upu_M0UPU> could be 4am before it landst at this rate
[23:04] <jcoxon> it could still float
[23:04] <jcoxon> if it made it to the morning...
[23:04] <Upu_M0UPU> you're such an optimist :)
[23:04] <jcoxon> i reckon 0630
[23:04] <NigeyS> could do, hope it stays away from that forest, there'll be no getting it from there
[23:04] <Upu_M0UPU> if it can make it till morning it should rise
[23:04] <jcoxon> sunrise in bristol is at 0648
[23:05] <jcoxon> and as its a little bit of altitude
[23:05] <jcoxon> it'll be before that
[23:05] <fsphil> it's speeded up, it'll definitly clear the forest
[23:05] <Upu_M0UPU> it could land, and take off again
[23:05] <jcoxon> would have to avoid getting tangled
[23:05] <Upu_M0UPU> one things for sure its going to be the most gentle hab landing ever
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[23:08] <NigeyS> ok brb i got a lovely signal now !
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[23:12] <NigeyS> there we go
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[23:13] <Upu_M0UPU> awesome NigeyS
[23:13] <Upu_M0UPU> you can't go to bed now
[23:13] <NigeyS> haha i know!
[23:13] <RocketBoy> jcoxon: we had this on a pico before didn't we - it was put in a barn and it lifted off again
[23:13] <NigeyS> dunno how long its going to be in range for
[23:14] <jcoxon> RocketBoy, yes!
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[23:16] <RocketBoy> I don't fully understand the effect
[23:16] <RocketBoy> buts its real enough
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[23:16] <jcoxon> i think it must be temperature
[23:17] <jcoxon> and we've lost some helium today
[23:18] <RocketBoy> yes clearly a combination of the two
[23:19] <Upu_M0UPU> right I've left the antenna tracking fingers crossed it gets in range, night all
[23:19] <daveake> nn
[23:20] <Upu_M0UPU> 434.351 still ?
[23:20] <Geoff-G8DHE> Its remembering the take-off, its going to go along bouncing before it decides what to do!
[23:20] <RocketBoy> The balloon comes out of the super-pressure state as night falls
[23:20] <RocketBoy> and sort of collapses as it descends
[23:21] <fsphil> might be worth sticking two IR sensors on there, facing down and up
[23:22] <fsphil> cloud below it might change its temperature?
[23:25] <jcoxon> guess its time to drop a little ballast
[23:28] <fsphil> floating again?
[23:28] <RocketBoy> it may be that because the balloons temperature is always lagging the surrounding air & that since its descending the internal temperature is always therefore less than the warmer surrounding air (which gets warmer as you get closer to the ground)
[23:29] <RocketBoy> seems to stck up
[23:29] <RocketBoy> stack
[23:29] <fsphil> put a small resistive heater in there
[23:29] <fsphil> it's a tiny volume of gas
[23:29] <daveake> http://i.imgur.com/QWZcZtF.png shows this sine wave superimposed on the general downward straight line
[23:30] <Randomskk> nice 3d effect chart :P
[23:30] <g6uim> out of range for me now good luck for the rest of the flight, shame about the data stream rewind eroor that lost a lot of my updates
[23:30] <daveake> yeah they're all the rage :p
[23:31] <Randomskk> hmm I don't think so though - the oscillations are not centered on the mean straight line fit
[23:31] <Randomskk> RocketBoy's suggestion seems plausible
[23:32] <Randomskk> each of those sudden increases could be it moving into a band of warmer air, rising for a bit, then it equalises and starts to drop
[23:32] <Randomskk> though you'd expect the rising to slow as the gas heats up in a way that you don't see here
[23:32] <jcoxon> do we think it was superpressured last night?
[23:32] <jcoxon> it floated
[23:32] <Lunar_Lander> damn
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[23:32] <RocketBoy> yes it was
[23:32] <Lunar_Lander> I just realized an error I made
[23:33] <Lunar_Lander> in the e-mail to the hams on how to listen in
[23:33] <Lunar_Lander> I didn't mention that they should select OERNEN-II in dl-fldigi
[23:33] <Lunar_Lander> :(
[23:33] <RocketBoy> but I suspect it lost a little helium trough the day
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[23:34] <RocketBoy> and then the downward trend at nightfall triggered the temperature collapse effect I mentioned
[23:35] <RocketBoy> I mean we only had a few pico stirks of extra gas
[23:35] <jcoxon> so if we could drop ballast
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[23:35] <jcoxon> we could get it to rise
[23:35] <jcoxon> and then it would pressurise
[23:35] <pb0ahx> quit
[23:35] <RocketBoy> oh sure - probably a gram would do
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[23:35] <RocketBoy> or somthing that you could boil off
[23:36] <RocketBoy> with heat
[23:36] <Lunar_Lander> good night
[23:36] <jcoxon> i've got some 2.5ml syringes
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[23:36] <jcoxon> put ethanol in them
[23:36] <jcoxon> and then dump it
[23:36] <jcoxon> guess we need to break the cycle
[23:36] <Randomskk> how would you actuate the syringes?
[23:36] <jcoxon> nano servo?
[23:36] <RocketBoy> or wax on a resistor and melt drops off
[23:37] <Randomskk> I like the resistor melting idea
[23:37] <jcoxon> actually pico servo
[23:37] <Randomskk> or you could burn something
[23:37] <Randomskk> fire's probably a bad idea
[23:37] <jcoxon> spring?
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[23:37] <Randomskk> tiny cutdown
[23:37] <Randomskk> cut off a mass
[23:37] <Randomskk> resistor, nylon cord below payload, blob of blutack or similar
[23:38] Action: RocketBoy thinks mmmm - fire, hydrogen balloon
[23:38] <Randomskk> though not much benefit over dripping wax off a resistor
[23:38] <jcoxon> wales!
[23:38] <Randomskk> I like the mooning france
[23:38] <daveake> It'll leek now
[23:38] <fsphil> all while releasing pressure
[23:38] <SpeedEvil> ceramic resistors rated to 350c are inexpensive
[23:39] <RocketBoy> you only need about 100C for wax
[23:39] <RocketBoy> all resistors are good for that
[23:40] <nigelvh> That's a serious power suck though
[23:40] <jcoxon> i think we'd need some solar
[23:41] <jcoxon> charge some supercaps
[23:41] <RocketBoy> lets see - 1g wax at say -30C to raise to 100C
[23:41] <Randomskk> don't forget the phase transition energy
[23:41] <gonzo_> pyros
[23:42] <Randomskk> yea burning some pyrotechnic material seems fun
[23:42] <Randomskk> an estes A motor. easy to ignite and it also pushes you a bit higher up :P
[23:42] <daveake> pyropico
[23:42] <daveake> What could possibly go wrong? :)
[23:42] <Randomskk> hehehe
[23:43] <nigelvh> I think maybe the simplest would be a small cutdown that releases a bit of biodegradable stuff.
[23:43] <RocketBoy> specific heat of wax 3J/g
[23:43] <RocketBoy> per deg C
[23:43] <nigelvh> Unless the wax is found to be reasonable in power usage. That would be damn simple
[23:43] <fsphil> a small bit of birdfood
[23:43] <mattbrejza> butter?
[23:44] <nigelvh> Then it's a competition to see who can recover the payload first and make toast
[23:44] <nigelvh> SPACE TOAST
[23:44] <daveake> bacon!
[23:44] <zamabe> BACON!
[23:44] <Randomskk> RocketBoy: what's the specific heat of melting though?
[23:44] <nigelvh> SPACE BACON!
[23:44] <RocketBoy> yeah butter is better - just needs to be solid at launch temp
[23:45] <fsphil> PIGS IN SPACE
[23:45] <Randomskk> wonder if the butter would melt with the incident solar radiation
[23:45] <RocketBoy> mmm - space bacon
[23:48] <RocketBoy> im reminded of this http://www.rathergood.com/bacon_rocket
[23:48] <fsphil> isn't that samsung balloon guy?
[23:49] <Randomskk> disappointed in the use of actual rocket motor
[23:50] <RocketBoy> its is - thats why i'm reminded
[23:50] <Randomskk> oh hahaha into the window
[23:50] <RocketBoy> ok back to the question
[23:50] <fsphil> love the song
[23:50] <Randomskk> hwo did they not see that happening
[23:50] <Randomskk> rockets: always point up
[23:50] <Randomskk> I want something more like this
[23:50] <RocketBoy> its called stability - always get the cg ahead of the cp
[23:50] <Randomskk> https://www.youtube.com/watch?feature=player_embedded&v=w9dskxN10N0
[23:50] Grumbleist (~grumbleis@cpc8-camd13-2-0-cust233.hari.cable.virginmedia.com) left irc: Quit: Grumbleist
[23:51] <Randomskk> bacon as a fuel for a hybrid
[23:51] <Randomskk> would work fine
[23:51] <nigelvh> Mythbusters used salami
[23:51] <RocketBoy> its just a themic lance made of bacon
[23:52] <fsphil> what about some salt water, and electrolysis -- or too inefficient?
[23:52] <nigelvh> That is very inefficient
[23:52] <NigeyS> this is uncomfy, sat holding the radio half up in the air :|
[23:53] <fsphil> NigeyS: duct tape
[23:53] <NigeyS> nothing to tape it to, i only get signal in 1 spot in the middle of the room lol
[23:54] <daveake> Don't you have someone who could do that for you? :)
[23:54] <NigeyS> its climbing...
[23:54] <nigelvh> Over here we tend to call them undergrads.
[23:54] <NigeyS> lol
[23:54] <fsphil> there's one in production at the moment
[23:55] <griffonbot> Received email: James Coxon "[UKHAS] Pico IX"
[23:55] <fsphil> it's not a smooth descent
[23:55] <daveake> There's another method of losing weight from a payload
[23:56] <daveake> Birds use it
[23:56] <fsphil> usually above clothes lines
[23:56] <daveake> it helps them avoid the lines
[23:57] <Geoff-G8DHE> Ball bearings with a Nano servo acting as a ratchet, precise drop that way on each action.
[23:58] <Hibby> someone called?
[23:58] <fsphil> is your name Bacon?
[23:58] viewer34 (43bc7ef7@gateway/web/freenode/ip. joined #highaltitude.
[23:59] <daveake> <Sean Connery voice> The name's Butty. Bacon Butty</SCV>
[23:59] <NigeyS> lol
[23:59] <daveake> I've swapped to the Yagi in the roof ... the collinear is the wrong side of the house now
[00:00] --- Mon Mar 4 2013