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[00:07] <Lunar_Lander> I say good night
[00:07] <Lunar_Lander> :)
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[00:32] <guysoft42> hi all, i had an amusing thought: how high do those kids helium balloons rise?
[00:43] Nick change: jonsowman -> jonsowman_away
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[07:11] <rjharrison> Anyone awake?
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[07:24] <rjharrison> Hey Upu might be changing my mind and launching at 13:00
[07:25] <Upu> morning
[07:25] <Upu> Looks like a nice day out there
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[07:28] <natrium42> rjharrison, are you launching today?
[07:28] <rjharrison> natrium42 I wasn't going to until 10 mins ago
[07:29] <rjharrison> Am now thinking this will be a good idea
[07:29] <natrium42> hehe
[07:29] <rjharrison> based on BBC news last night apparently you can see ash layers from the plane windows
[07:29] <natrium42> what's the name of your payload?
[07:29] <rjharrison> icarus
[07:29] <natrium42> i will add it to predictor
[07:29] <natrium42> kk
[07:29] <rjharrison> I will do chase car too
[07:30] <rjharrison> rjh_chase
[07:30] <natrium42> kk
[07:30] <natrium42> getting weather data atm
[07:30] <rjharrison> great
[07:30] <rjharrison> bill is also launching today
[07:30] <natrium42> oh?
[07:30] <natrium42> wasn't it the 18th?
[07:30] <rjharrison> maybe
[07:30] <rjharrison> I'm only vaguly aware of this
[07:31] <rjharrison> Saw something in GPSL emails
[07:32] <natrium42> k,
[07:32] <natrium42> i will grab gfs for his position also
[07:32] <natrium42> could you submit a test position with current time please?
[07:33] <rjharrison> now
[07:33] <rjharrison> sure
[07:36] <natrium42> rjharrison, also what's the ascent/descent rate?
[07:37] <rjharrison> 5 AND 5
[07:37] <natrium42> ok, great :)
[07:37] <natrium42> seems to work
[07:38] <rjharrison> ~33
[07:38] <rjharrison> I'm going for the ash pics
[07:38] <natrium42> :D
[07:38] <natrium42> would be very cool
[07:38] <rjharrison> If I get anything
[07:38] <natrium42> is this icarus III?
[07:38] <rjharrison> Sending some tape up too to see if I can collect any particles
[07:38] <rjharrison> II
[07:38] <natrium42> ah, ok
[07:39] <rjharrison> III is not quite ready yet and it would be rushing it to throw it up
[07:40] <rjharrison> How do we know if predictions are working?
[07:41] <natrium42> you mean correctly or at all?
[07:41] <natrium42> it shows the prediction atm
[07:42] <rjharrison> ok that is different to the camb predicitor atm on a 5up 5down 33k
[07:43] <natrium42> did you start it at 14424 m?
[07:44] <rjharrison> hehe good point
[07:46] <natrium42> :P
[07:49] <rjharrison> cane we change flight to Icarus II Launch VI - Ash cloud investigation
[07:49] <rjharrison> www.robertharrison.org/icarus
[07:49] <rjharrison> Am starting to pack
[07:49] <rjharrison> This is a bit rushed for HAB
[07:49] <natrium42> k, will do
[07:51] <rjharrison> If anyone cambridge way fancies giving a hand at the launch that would be great
[07:51] <rjharrison> futurocity (sp?) was interested but only in the afternoon if anyone sees him can they get hime to give me a call on 07740
[07:52] <rjharrison> 947
[07:52] <rjharrison> 814
[07:52] <rjharrison> Just so it's not a straight phone number in the log
[07:53] <rjharrison> Packing and panicing a bit making sure I have everything :)
[07:57] <Upu> I can confirm it's very nice out there
[07:58] <Upu> btw rjharrison if you do get a nice picture of the dust cloud you can kiss good bye to your website again for another week :)
[08:02] <Upu> Looks like you're be the only thing airborne in the UK today
[08:03] <natrium42> haha
[08:03] <rjharrison> Have coomondared the patrents into comming to help launch
[08:03] <rjharrison> hehe
[08:04] <rjharrison> well mum and her husband
[08:04] <natrium42> rjharrison, is the project cirrus data saved? should i delete it from tracker?
[08:04] <Upu> lol would love to come I'll be watching from work :)
[08:04] <rjharrison> I'll save it into mu db here now
[08:04] <natrium42> k
[08:07] <natrium42> good luck, rjharrison
[08:07] <natrium42> i am off to bed
[08:07] <rjharrison> Ok thanks natrium42
[08:07] <rjharrison> Chat later
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[08:17] <juxta> still around natrium42?
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[08:38] <LazyLeopard> Hmmm... Is the http://spacenear.us/tracker/ hinting at something... "Icarus II Launch VI - Ash Cloud Investigation" ;)
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[08:50] Nick change: jonsowman_away -> jonsowman
[08:51] Nick change: jonsowman -> jonsowman_away
[09:00] Nick change: jonsowman_away -> jonsowman
[09:20] <Upu> 1pm today LazyLeopard
[09:21] <Upu> 1pm uk time that is
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[09:29] <LazyLeopard> Any ideas where from?
[09:31] <jonsowman> LazyLeopard: EARS
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[09:38] <LazyLeopard> thanks
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[09:44] <earthshine__> morning
[09:45] <jonsowman> morning earthshine__
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[09:53] <Futurity> morning
[09:53] <earthshine2> darnit
[09:53] <earthshine2> morning
[09:53] <Futurity> is Rob still going ahead with the launch today?
[09:53] <earthshine2> is rjharrison launching today ?
[09:53] <earthshine2> lol
[09:54] <Futurity> i could be wring but i thought i saw it
[09:54] <Futurity> this was yesterday afternon though, weather can change a lot in 24 hours
[09:54] <earthshine2> He did say yesterday her might do
[09:54] <earthshine2> Yeah it was weather dependant, as always
[09:55] <jonsowman> landing very close to the drink at the moment
[09:55] <jonsowman> http://www.srcf.ucam.org/~cuspaceflight/hourly-predictions
[09:55] <Futurity> looking at the predictions http://www.srcf.ucam.org/~cuspaceflight/hourly-predictions/
[09:55] <Futurity> looks very close to the sea
[09:55] <jonsowman> lol
[09:55] <jonsowman> didn't know echoes happened on IRC
[09:55] <jonsowman> anyway, bbl guys
[09:55] <earthshine2> ok so it's off then
[09:56] Nick change: jonsowman -> jonsowman_away
[09:56] <earthshine2> too risky
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[09:56] <Futurity> i don't know. that's why i'm checking here. i was going to go to the launch and offer my help
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[10:01] <earthshine_> landing spot is too close to the sea so it will undoubtedly be recheduled for another day
[10:03] <Futurity> thanks for letting me know
[10:03] <Futurity> i've just txted jcoxon to comfirm
[10:06] <Futurity> it may still be on at 2pm from the EARS site
[10:07] <Futurity> apparently the predictions are not any better for a low altidute flight
[10:07] <Futurity> *altitude
[10:08] <earthshine_> ok
[10:08] <earthshine_> i guess we'll just have to waot for rjharrison
[10:08] <earthshine_> wait
[10:09] <Futurity> i'll phone him in a bit if i can get him number. I should be able to help at the launch if its at 2pm
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[10:17] <Futurity> hi Rob
[10:17] <rjharrison_eee> hi all
[10:18] <rjharrison_eee> on way to Cambridge for launch
[10:18] <rjharrison_eee> eta 14:00
[10:18] <rjharrison_eee> bst
[10:18] <rjharrison_eee> 13:00 utc
[10:20] <Futurity> do you need a hand
[10:20] <Futurity> i may be able to get there
[10:20] <Futurity> don't worry if you are already sorted for help
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[10:39] <fsphil> eeepc's are brilliant, the little laptop really worked well yesterday
[10:40] <rjharrison_eee> yep couldn't agree more
[10:41] <rjharrison_eee> www.robertharrison.org/tracker has current chase car pos
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[10:46] <fsphil> that's quite a drive
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[10:51] <rjharrison_eee> Hi Futurity see you at 1 ish
[10:53] <earthshine_> cool a launch
[10:53] <rjharrison_eee> very hazy or should I say ashy day today
[10:53] <fsphil> hehe
[10:53] <rjharrison_eee> yep 14:00 bst
[10:53] <rjharrison_eee> 13:00 UTC
[10:53] <fsphil> seems a bit hazier here today than when we launched
[10:53] <fsphil> more cloud though
[10:54] <rjharrison_eee> no cloud here ATM
[10:55] <Futurity> yep got a pass to come out to play
[10:55] <Futurity> looks like kids will stay home
[10:55] <Futurity> no cloud here either him Royston / Cambridge area
[10:55] <rjharrison_eee> cool looking forward to seeing you again
[10:55] <Futurity> i'll bring toys ;)
[10:55] <rjharrison_eee> having someone else to take pics vid is always good
[10:55] <Futurity> gadget toys
[10:56] <rjharrison_eee> will be quite busy getting every thing together
[10:56] <Futurity> batteries for cameras are already charged so all sorted ;)
[10:56] <rjharrison_eee> If you have a bit of hose pipe or kite string either would be great
[10:56] <Futurity> yep gets quite hectic
[10:56] <Futurity> i'll setup camera etc and then help out
[10:57] <rjharrison_eee> I can cope but either of the above would be great
[10:57] <Futurity> cool see you there
[10:57] <Futurity> you multitasking on route? or you have a driver?
[10:57] <Futurity> ok if I try and invite a friend along?
[10:58] <Futurity> he's a freelance electronic designer so would be good to try and get him involved
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[11:00] <rjharrison_eee1> OPPS
[11:01] <fsphil> M0DTS picked up our signal from 366km away .. sheesh
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[11:02] <rjharrison_eee> soory up and down with the connection
[11:03] <rjharrison_eee> Randomskk: can we put a post out on the ukhas mailing list to let people know there is a launch. James was hoping to do this so he may have done it
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[11:06] <rjharrison_eee> .
[11:06] <Futurity> rjharrison_eee: ok if I try and invite a friend along? He's a freelance electronic designer so would be good to try and get him involved. That's if he's free.
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[11:15] <rjharrison_eee> sure
[11:15] <rjharrison_eee> So long as we keep it at that
[11:16] <rjharrison_eee> if you have some hose or string that would be good
[11:16] <rjharrison_eee> kite type string
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[11:17] <Futurity> no probs
[11:17] <Futurity> me and friend (if he's free)
[11:18] <earthshine2> whats the hose/string for ?
[11:19] <rjharrison_eee> line string for para and balloon
[11:21] <rjharrison_eee> I have some string but a bit more is helpful
[11:22] <rjharrison_eee> B&Q do some kite string
[11:22] <rjharrison_eee> Do we know the name of the repeater in cambridge?
[11:22] <rjharrison_eee> is it GB3IR?
[11:25] <Futurity> py
[11:25] <Futurity> GB?PY
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[11:28] <Futurity> GB3PY
[11:28] <Futurity> GB3PY 70cm Voice 433.200 MHz 434.800 MHz 1750 Hz / CTCSS  77Hz
[11:29] <Futurity> output 433.200
[11:29] <Futurity> hope that helps
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[11:33] <earthshine_> test
[11:34] <SpeedEvil> icle
[11:34] <earthshine_> :D
[11:36] <fsphil> tsk tsk :p
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[11:36] <Laurenceb> hi all
[11:37] <fsphil> g'day Laurenceb
[11:37] <Laurenceb> no contrails in the sky at all
[11:37] <Laurenceb> very good day :P
[11:38] Action: Laurenceb starts filming a victorian drama
[11:40] <RocketBoy> felixstowe is quiet for a change
[11:42] Nick change: RocketBoy -> RocketBoy|Away
[11:43] <guysoft42> hi all, i had an amusing thought: how high do those kids helium balloons rise?
[11:45] <rjharrison_eee> 2-5 k
[11:45] <rjharrison_eee> eta ears 12;30
[11:45] <SpeedEvil> if you assume they will go to 1.5* diameter, that's about three times the nominal volume
[11:45] <SpeedEvil> or 5-7k
[11:45] <rjharrison_eee> launch 14:00 bst
[11:45] <SpeedEvil> :)
[11:45] <SpeedEvil> Busy weekend
[11:45] <rjharrison_eee> Steve I have set alarm to contact borne
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[11:50] <rjharrison_eee1> I can reach GB3PI if anyone is listening
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[11:50] <rjharrison_eee1> hi ed
[11:50] <rjharrison_eee1> just arriving at camb
[11:51] <rjharrison_eee1> on gb3 pi
[11:51] <edmoore> oh launch is on again?
[11:51] <rjharrison_eee1> GB3PI even
[11:51] <edmoore> am not near a radio. revision as ever
[11:51] <earthshine_> what freq is that ?
[11:52] <edmoore> 144.somethingorother
[11:52] <edmoore> arse
[11:52] <edmoore> http://www.cambridgerepeaters.net/repeaters/gb3pi/
[11:53] <edmoore> 145.150+0.5mhz
[11:53] <edmoore> 0.6MHz even. good lord i'm not having much luck atm
[11:55] <earthshine_> oh
[11:55] <earthshine_> i onlyu havae 70cm
[11:55] <earthshine_> only have
[11:56] <edmoore> the local 70cm is gb3py
[11:56] <Futurity> GB3PY 70cm Voice 433.200 MHz 434.800 MHz 1750 Hz / CTCSS  77Hz
[11:56] <edmoore> but it just blasts all over the balloons so we tend to use 2m for logistics as a rule
[11:56] <Futurity> output 433.200
[11:56] <Futurity> oh i see
[11:57] <earthshine_> can't hear anything
[11:57] <edmoore> on which?
[11:58] <Futurity> does anyone know if i need a stereo or mono headphone lead to connect ft-790R to a laptop?
[11:58] <Futurity> or will both work?
[11:58] <sbasuita> Futurity, stereo works
[11:58] <edmoore> both will work
[11:58] <edmoore> but it's a mono connection
[11:58] <Futurity> cool i'll bring a selection then ;)
[11:58] <edmoore> stereodx - that'd be cool
[12:06] <earthshine_> i misread that as steroids
[12:07] <edmoore> that helps hams do their thing too
[12:07] <edmoore> you don't think those guys can do 60wpm morse by natural means, surely?
[12:07] <earthshine_> lol
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[12:09] <edmoore> do you think you'd get in trouble doing earth-moon-earth with a microwave magnatron as the rf source?
[12:10] <earthshine_> no it'll be fine
[12:10] <earthshine_> just try not to knock the moon out of its orbit
[12:10] <edmoore> they don't have listening stations in orbit, afterall
[12:11] <edmoore> they = ofcom
[12:13] <earthshine_> does this launch have a controlled cutdown?
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[12:17] Nick change: [1]Jamz -> Jamz
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[12:42] <earthshine_> welcome back
[12:44] <rjharrison_eee> at ears
[12:44] <rjharrison_eee> data on tracker
[12:44] <earthshine_> cheers ears
[12:50] <Laurenceb> anotyher launch?
[12:50] <Laurenceb> wow its like 2 launches /week atm
[12:50] <earthshine_> :D
[12:50] <earthshine_> Rob wants pics of the volcanic ash cloud
[12:51] <Laurenceb> ah
[12:51] <Laurenceb> good luck
[12:51] <Laurenceb> not much viable in Derbyshire
[12:51] <Laurenceb> yesterday you could see it from Derby over to the east
[12:51] <Laurenceb> purplish colouring to the sky
[12:51] <earthshine_> lovely clear sky down here in W. Sussex
[12:53] <Laurenceb> not sure how viable it'll be... I suspect yesterday we were under a relatively thick bit...
[12:53] <Laurenceb> *visable
[12:53] <Laurenceb> the sims I saw yesterday had a lot over the north sea so that may be quite obvious
[12:54] <earthshine_> yeah
[12:54] <earthshine_> he'll get a good view from up there
[12:54] <Laurenceb> never seen the sky so clear here - no planes, contrails or cloud
[12:55] <N900evil> contrails are rare here.
[12:55] <N900evil> well
[12:55] <earthshine_> we were doing astrophotography last night and the sky weas the seadiest i've seen for years
[12:55] <earthshine_> *steadiest
[12:55] <Laurenceb> chemitrail conspiracy
[12:55] <N900evil> a few a day max
[12:56] Action: Laurenceb lives near a major flight path
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[12:56] <earthshine_> guiding was so easy - plus the fact no aircraft lights were ruining frames helped a lot
[12:57] Action: Laurenceb is wondering what do do with the spare pins on his stm32 now hes going with the invensens gyro
[12:57] <Laurenceb> thinking two cutdowns with continuity test
[12:58] <Laurenceb> and also option to use for driving brushed motors... just working out if its a mag induction problem
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[13:26] <earthshine_> what's the freq. being used today?
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[13:43] <earthshine_> might be an idea to get the details up on the "Current Launch|" section of the wiki
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[13:48] <earthshine_> is the new leopard version of dl-fldigi up one google code ?
[13:51] <earthshine_> is anybody here ??
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[13:53] Action: earthshine_ feels like he is talking to himself
[13:53] <fsphil> don't you hear the voices?
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[13:56] <earthshine_> so what's happening?
[13:56] <earthshine_> Launch was due at 2pm - but not a peep in the channel for hours
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[13:57] <edmoore> what's new?
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[13:57] <root_> 2E0SSQ
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[13:59] <earthshine_> we were wondering that Ed
[13:59] <earthshine_> not heard a peep for a long time
[13:59] <earthshine_> was due ta 2pm
[13:59] <edmoore> any second then
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[14:00] <edmoore> from spacenearus it looks like the payload has been on for about 30 mins
[14:00] <edmoore> and that's usually plenty of time for inflation unless you're waiting for something
[14:00] <earthshine_> do we know what the freq. being used is?
[14:00] <edmoore> 0.75 at a guess
[14:00] <edmoore> sorry, .075
[14:01] <earthshine_> k
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[14:03] <earthshine_> 434 or 433 ?
[14:07] <earthshine_> 4
[14:07] <fsphil> 434
[14:08] <RocketBoy|Away> anyone know whats happening?
[14:09] <earthshine_> nope
[14:09] <earthshine_> not a peep
[14:10] <rjharrison_eee> off and away
[14:11] <RocketBoy|Away> cool
[14:11] <rjharrison_eee> 434.075 ssb 8asci 425 shift
[14:11] <earthshine_> listening
[14:11] <sbasuita> doesn't seem to be following the predicted path
[14:12] <edmoore> grounds winds do their own thing
[14:12] <sbasuita> ok
[14:13] <earthshine_> ascent rate is fast
[14:15] <edmoore> i should be able to see it visually
[14:15] <DanielRichman> pretty nice predicted landing spot
[14:15] <edmoore> might go for a bike ride and see if i can spot it
[14:16] <DanielRichman> what settings is the spacenear.us predictor set for?
[14:17] <DanielRichman> it seems a bit different to the hourly-predictions - which I thought was set for rjh's payload at the moment
[14:17] <sbasuita> DanielRichman, 5 up/5 down
[14:18] <DanielRichman> for the hourly preds. i know
[14:18] <DanielRichman> but what about spacenear.us
[14:18] <sbasuita> DanielRichman, spacenear.us is also 5/5 i think
[14:18] <DanielRichman> why is the predicted landing spot so different
[14:18] <DanielRichman> (well, not that different, but...?()
[14:18] <sbasuita> =/
[14:19] <DanielRichman> also sbasuita the predictions are drifting back out to see for next weekend :X
[14:19] <earthshine_> i can hear it
[14:19] <earthshine_> but too noisy to decode so far
[14:19] <sbasuita> Apr 17 07:36:45 <natrium42> rjharrison, also what's the ascent/descent rate?
[14:19] <sbasuita> Apr 17 07:37:05 <rjharrison> 5 AND 5
[14:19] <sbasuita> Apr 17 07:37:54 <natrium42> ok, great :)
[14:20] <DanielRichman> weird.
[14:20] <LazyLeopard> I'm sort of getting it, but fldigi crashed a couple of times...
[14:20] Nick change: LazyLeopard -> m6lep
[14:21] <m6lep> Hmmm... signal loss there for a moment...
[14:22] <m6lep> ...and again.
[14:22] <earthshine_> i've lost it now
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[14:23] <jcoxon> hey all
[14:23] #highaltitude: mode change '+o jcoxon' by ChanServ!ChanServ@services.
[14:23] <wakefield_and_di> Looking good so far robert
[14:23] <jcoxon> yeah, anyone else listening in?
[14:23] <m6lep> It's somewhat off and on...
[14:24] <wakefield_and_di> A crew from Rob's radio club up at Wakefield are tracking it
[14:24] <edmoore> my kit is not around even though it is overhead
[14:24] <edmoore> i am tracking it visually tho
[14:24] <jcoxon> hey edmoore
[14:25] <jcoxon> hope revision is going well
[14:27] <jcoxon> oooo the predictor is looking cool
[14:28] <rjharrison_eee> had some very weird frequency jumps
[14:28] <rjharrison_eee> here we go again
[14:28] <earthshine_> can heaar it again now
[14:29] <m6lep> It's very off-and-on...
[14:29] <rjharrison_eee> very weird
[14:29] <wakefield_and_di> At what point will you get pics Rob?
[14:29] <rjharrison_eee> seems to happen on sentence changes
[14:30] <rjharrison_eee> ground
[14:30] <m6lep> I get two or three groups out of every six or seven, at a guess...
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[14:30] <Futurity> Hi everyone 9pm and still optically tracking
[14:30] <Futurity> 9km sorry
[14:31] <earthshine_> i can see the trace on fldigi now
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[14:31] <Futurity> 10.25km and can still see it. Videoing it as well
[14:32] <jcoxon> hehe i just tuned a global tuner radio to it
[14:32] <jcoxon> can hear it
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[14:33] <jcoxon> wow those a big freq jumps
[14:33] <jcoxon> but quite regular
[14:33] <Futurity> And the tones seem to split further than they should
[14:35] <wakefield_and_di> 12km and counting
[14:36] <Futurity> Can still see it visibly.
[14:36] <m6lep> ...and there's something else wavering around about 1500Hz up spectrum...
[14:36] <wakefield_and_di> Struggling to see it in Wakefield.lol.
[14:36] <rjharrison_eee> keeps jumping to a bad freq like upside down
[14:36] <earthshine_> just doesn't seem to want to decode for me
[14:36] <rjharrison_eee> back now
[14:37] <rjharrison_eee> will decode now
[14:37] <rjharrison_eee> not on the other freq
[14:37] <m6lep> Frequency's drifting quite a bit. My tuner's on 434.074.65
[14:37] <earthshine_> strange frequency jumps
[14:37] <rjharrison_eee> 434.074.11 is good
[14:38] <rjharrison_eee> I think tx module is phucked
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[14:38] <wakefield_and_di> Rob.Does the blue projected line change with the actual direction?
[14:38] <rjharrison_eee> any one I can call who can see the plot on gogle maps
[14:38] <amarumo> you can't see it?
[14:38] <earthshine_> i can see it
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[14:39] <Futurity> 13km and still on video
[14:39] <rjharrison_eee> bad connecion for maps
[14:39] <wakefield_and_di> watching it on google
[14:39] <rjharrison_eee> pm me
[14:39] <jcoxon> wakefield_and_di: it'll update occasionally
[14:39] <earthshine_> 52.220018, 0.020275
[14:39] <jcoxon> but not every position
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[14:41] <G3VZV_Graham> bother stuck in a meeting in Birmingham so cannot lsiten for icarus II
[14:42] <earthshine_> aha
[14:42] <earthshine_> decoding at last
[14:42] <djellison> I can only listen with my omni - but I'm getting something
[14:42] <jcoxon> as long as someone gets the data in
[14:42] <djellison> I'm struggling
[14:44] <Futurity> Still on video lol
[14:44] <earthshine_> it really comes and goes
[14:44] <earthshine_> and as the freq keeps jumping around it's difficult to decode
[14:44] <Futurity> I can't open the tracker on my iPhone while on irc
[14:45] <earthshine_> damned Apple
[14:45] <Futurity> Can someone post significant altitude please?
[14:45] <djellison> 15368
[14:45] <djellison> 15471
[14:45] <djellison> 15551
[14:46] <djellison> What are the extra fields after the Altitude rjh?
[14:47] <Futurity> Also rough location would be good for me and rob thanks
[14:47] <earthshine_> freq. seems to have stabilised
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[14:47] Nick change: fsphil_ -> fsphileee
[14:47] <G3VZV_Graham> a428/m11 junction
[14:47] <earthshine_> 52.217758, 0.05687
[14:48] <fsphileee> ooh it's in the air
[14:48] <m6lep> icarus,553,13:46:47,52.217710,0.055746,15908,33.34,126.5,22.5,16.4*004F
[14:49] <wakefield_and_di> currently between j13 and j14 M11
[14:50] <DanielRichman> natrium42, "Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request."
[14:50] <DanielRichman> that's failing to fail
[14:50] djellison1 (~djellison@78-86-234-136.zone2.bethere.co.uk) left irc:
[14:50] <jcoxon> the new version of dl-fldigi might be able to handle this flight better
[14:50] <earthshine_> freq. jump again
[14:51] <jcoxon> recommend it to anyone that can compile from source
[14:51] <djellison> It's about to go RIGHT over Churchill :)
[14:51] <wakefield_and_di> just sailing over the m11 as we speak
[14:51] <jcoxon> hey doug :-)
[14:51] <DanielRichman> djellison, eg. 48.15,077.2,22.5,16.4 looks like it's speed, bearing, and internal/external temperature http://ukhas.org.uk/communication:protocol
[14:51] <fsphileee> what's the current freq.?
[14:52] <djellison> 434.07525 here
[14:52] <djellison> USB
[14:52] <m6lep> 434.07575 USB here...
[14:53] <m6lep> ...but it's taking short rests quite often...
[14:53] <earthshine_> 4.078 on LSB
[14:54] <Futurity> Altitude please?
[14:54] <sbasuita> Futurity, 18k
[14:54] <earthshine_> 18480
[14:54] <Upu> 18.5k
[14:55] <Futurity> Cool I can still see it. It there an optical tracking record at all ;)
[14:55] <Futurity> Thanks for the update
[14:56] <djellison> 19121 now
[14:56] <jcoxon> Futurity: unfortunately in the states they often watch the whole flight
[14:56] <sbasuita> Futurity, http://www.robertharrison.org/mobile.php
[14:56] <jcoxon> get such clear weather :-p
[14:56] <rjharrison_eee> turn off sql in the corner
[14:56] <Futurity> True. Well here goes to try and match them
[14:56] <rjharrison_eee> you will not miss the first few chars
[14:57] <earthshine_> Looks like i'm furthest South
[14:58] <sbasuita> Futurity, oh right, the problem is you can't open both at the same time. If you're jailbroken you can use the backgrounder app to do that
[14:58] <djellison> I was wondering if someone would try and launch something to have a look at Volzilla :)
[15:00] <Futurity> Roll on iPhone os 4
[15:00] <m6lep> Anyone looked at yesterday's ProjectCirrus images to try picking out ash cloud?
[15:01] <earthshine_> well it's moving east nice and slowly
[15:01] <earthshine_> m6lep i couldn't see any ash on the images
[15:01] <Futurity> Alt please?
[15:01] <m6lep> nor could I, but that could be for not knowing what I'm seeing...
[15:02] <m6lep> 21237
[15:02] <fsphileee> m6lep, few images have a dark streak but probably just cloud
[15:03] Action: m6lep tried using the new dl-fldigi with hamlib control of my receiver, but it crashed the moment it tried uploading a line...
[15:03] <jcoxon> m6lep that sounds like a bug we'll need to fix
[15:03] <djellison> 21889
[15:03] <Futurity> Still videoing. I doubt anyone will watch through all this lol
[15:04] Action: m6lep is just using vanilla --hab at present.
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[15:04] <earthshine_> i wish the frequency would stop jumping around
[15:04] <DanielRichman> m6lep, chances are that ./src/fldigi without the hab flag will make hamlib work
[15:05] <m6lep> DanielRichman: That's what I did, and it crashed the moment it tried uploading...
[15:05] <DanielRichman> oh, great
[15:05] <juxta> hi all
[15:06] <earthshine_> hi Terry
[15:06] <DanielRichman> m6lep, if you're up to using gdb (I can show you how) then a backtrace would be really useful (d/w if you can't right now)
[15:06] <juxta> hey Mike
[15:06] <juxta> are you listening in today? :)
[15:07] <earthshine_> trying to
[15:07] <djellison> 23322
[15:07] <juxta> what's the expected burst alt?
[15:08] <sbasuita> juxta, 30k
[15:08] <juxta> alrighty
[15:08] <djellison> 23759
[15:09] <sbasuita> the burst/landing times quoted on the tracker are in the past though :\
[15:09] <Futurity> Lol how long time wise until burst?
[15:09] <sbasuita> oh wait
[15:09] <sbasuita> it must be utc on the tracker
[15:09] <sbasuita> Futurity, burst is 8 mins apparently
[15:10] <sbasuita> 2:17
[15:10] <sbasuita> (utc)
[15:10] <edmoore> couldn't see it!
[15:11] <earthshine_> m6lep are you having trouble decoding ?
[15:11] <Futurity> Cool still videoing
[15:11] <edmoore> djellison: yo
[15:11] <m6lep> Seems to decode easy enough...
[15:11] <djellison> Hi Ed :)
[15:12] <sbasuita> Futurity, 1426 UTC burst now
[15:12] <sbasuita> seems more likely
[15:12] <m6lep> ...when there's signal, which there isn't quite a lot of the time.
[15:12] <Futurity> 8 mins to burst. Cool I though in an hour away
[15:12] <edmoore> so it's a low old burst then
[15:13] <djellison> 25795
[15:13] <Futurity> So in 12 minutes I'll keep videoing then
[15:14] <edmoore> Futurity: can you see it?
[15:14] <sbasuita> filming the burst would be awesome
[15:14] <edmoore> agreed!
[15:14] <G3VZV_Graham> approaching A14 /A11 junction
[15:14] <edmoore> that'd be a uk first i think from the ground
[15:14] <edmoore> though we saw one of jcoxon's go about 3 years ago through some binoiculars
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[15:16] <Futurity> Almost lost it for a moment there. Got it back optically
[15:17] <sbasuita> Futurity, what camera/lens are you using?
[15:17] <djellison> 27699
[15:18] <Futurity> Lol I'm using a cheap canon powershot SX1 IS
[15:19] <Futurity> Sudo slr wanabe. But also does 1080p
[15:19] <jcoxon> this area is a good place to land, no big towns or large roads
[15:19] <jcoxon> just field
[15:19] <jcoxon> s
[15:19] <edmoore> it's perfect
[15:20] <edmoore> all of the region around thetford and BCE is prime
[15:20] <edmoore> BSE*
[15:20] <djellison> 28942
[15:20] <jcoxon> thetford has a forest though
[15:20] <jcoxon> :-p
[15:21] <djellison> Forest's just cushion the blow for failed 'chutes ;)
[15:21] <jcoxon> launch tomorrow in the states, so 3 days in a row for spacenear.us
[15:21] <Futurity> Still getting a good reception on ft-790r whip aerial
[15:21] <DanielRichman> equally they catch and keep your payload 10m up
[15:22] <djellison> That's why all UKHAS teams should include someone good at flyfishing
[15:22] <jcoxon> its speeding up...
[15:23] <djellison> 29857
[15:23] <earthshine_> woohoo a successful string
[15:23] <djellison> Is 30k a predict, or a cutdown?
[15:23] <sbasuita> predict
[15:23] <djellison> 30055 ;)
[15:23] <Futurity> Still on video
[15:23] <edmoore> what is the prediction based on?
[15:23] <sbasuita> Futurity will know first
[15:23] <Futurity> White pixel
[15:23] <Futurity> What should I see?
[15:24] <Upu> a sky coloured pixel :)
[15:24] <jcoxon> edmoore: ummm i think its this mornings gfs data
[15:24] <edmoore> i mean the predicted burst altitude
[15:24] <Futurity> Lol was just about to say that
[15:24] <djellison> It will basically just go away
[15:24] <SpeedEvil> what's the range to you Futurity?
[15:24] <Upu> that's 100k feet
[15:24] <jcoxon> edmoore: not sure
[15:25] <Futurity> Range?
[15:25] <djellison> I've been able to tell the burst listening to my 817 before
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[15:25] <Upu> my mate uses one of these beasties for astrophotography, have to get him up from Eastbourne next launch : http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&fcategoryid=154&modelid=7319
[15:25] <jcoxon> we still need a commited listener in norfolk - then we've completed a circle around these typical flights
[15:25] <m6lep> 31010
[15:26] <Upu> what's the UK unofficial record ?
[15:26] <djellison> That's it
[15:26] <djellison> it's burst - I bet you
[15:26] <Futurity> The pixel is getting faint not
[15:26] <Futurity> Now
[15:26] <edmoore> Upu: 35ish i think
[15:26] <djellison> Or maybe not - a slight tumble to the signal
[15:26] <djellison> No - I WAS RIGHT :) 31228, 30987
[15:26] <m6lep> Yep. Coming down.
[15:26] <Futurity> Has it burst?
[15:26] <SpeedEvil> f/2.8 isn't a really teeny lens
[15:26] <djellison> Ye
[15:27] <earthshine_> yes it's bhurst
[15:27] <djellison> Yes
[15:27] <DanielRichman> boom
[15:27] <earthshine_> POP
[15:27] <Upu> yep it just became a chute :)
[15:27] <sbasuita> haha nice one djellison
[15:27] <edmoore> unofficial as it was launched not from a notam site. and very fortunate that its parachute did not work, otherwise it would have gone out to sea
[15:27] <SpeedEvil> Futurity: can you still see?
[15:27] <Futurity> Nope gone
[15:27] <djellison> Yeah - not a chance of seing it any more
[15:27] <wakefield_and_di> parachute deployed we're being invaded.send in the hime guRD
[15:27] <Upu> very good right I best go do some real life stuff, can't wait to see the pics
[15:27] <Futurity> I was recentering the dot at the time. Fingers crossed I got it
[15:27] <SpeedEvil> :)
[15:27] <djellison> 27.9k
[15:27] <wakefield_and_di> HOME GUARD EVEN
[15:28] <edmoore> it's gone from a 75 square meter bright thing to a 0.01 square meter not so bright thing
[15:28] <djellison> We need to send an armada of these things back to sodding Iceland
[15:28] <edmoore> jetstream would never allow it!
[15:29] <SpeedEvil> round the world!
[15:29] <djellison> We'll launch from Greenland.
[15:29] <jcoxon> edmoore: very high altiude flight in summer
[15:29] <djellison> You're not thinking big enough ;)
[15:29] <jcoxon> float above 30km, that would do it
[15:29] <djellison> Screw the balloons, drop them in bulk from a UAV
[15:30] <edmoore> we have some huge bitch ZP balloons that need using
[15:30] <edmoore> 3 of them
[15:30] <edmoore> they'll take 100kg to 28km
[15:30] <edmoore> so...
[15:30] <djellison> So 5kg to...like...the frickin moon
[15:30] <earthshine_> radio signal has suddenly dissapeared
[15:30] <djellison> Or 1kg and a crap load of ballast.
[15:30] <jcoxon> edmoore: something to do post exams...
[15:30] <edmoore> djellison: yep. that's the beuty of physics
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[15:31] <wakefield_and_di> rob will be driving around like a nutter at the moment following it
[15:31] <djellison> That's it - put stuff in ballast and schedule dumps over Iceland. Use cheap Vodka or something.
[15:31] <ProjectCirrus> and a lighter
[15:31] <edmoore> we started it though anyway
[15:31] <djellison> Or polyfila. That should cure the volcano problem
[15:32] <edmoore> wakefield_and_di: thankfully for rob this was a pretty gentle and short-range flight!
[15:32] <edmoore> should be nice and easy
[15:32] <edmoore> provided it doesn't land in a stream, anyway
[15:32] <Futurity> Brb
[15:32] Futurity (~futurity@ left irc: Quit: Colloquy for iPhone - http://colloquy.mobi
[15:32] <junderwood> or a tree
[15:32] <edmoore> jcoxon: do you have a link to the photo of BH4's landing?
[15:32] <djellison> 18051
[15:32] <edmoore> it's an absolutely great photo
[15:33] <djellison> Hanging off the tree over the stream?
[15:33] <jcoxon> http://www.flickr.com/photos/jcoxon77/4383328360/
[15:33] <djellison> I used that in a talk a few weeks ago :)
[15:33] <earthshine_> Really?
[15:34] <jcoxon> djellison: :-)
[15:34] <djellison> a 'Sometimes you get lucky' sort of thing, an analogy to the airbags used to land Pathfinder in '97
[15:34] <edmoore> i think that's ukhas karma of the year award
[15:34] <edmoore> it's all going to go tits up next time :p
[15:34] <jcoxon> lucky i stole some line to tie the lift weights
[15:34] <edmoore> it'll land in one of those sewage processing tanks or something
[15:34] <jcoxon> thanks edmoore
[15:35] <jcoxon> don't tempt ballasthalo
[15:35] <jcoxon> it'll try and better itself
[15:35] <djellison> 14293
[15:36] <fsphil_> I heard the signal!
[15:36] <wakefield_and_di> 13596
[15:36] <fsphil_> just as it was falling, didn't get fldigi running in time
[15:36] <fsphil_> but it was coming through very strongly
[15:37] <djellison> 12887
[15:37] <djellison> Good afternoon Chevington
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[15:38] <m6lep> Carrier shift just dropped
[15:38] <fsphil_> the carrier kept jumping on me
[15:38] <fsphil_> before i lost it
[15:39] Futurity (~futurity@ joined #highaltitude.
[15:39] <edmoore> it's going from say -60 to 20 degrees over just a few minutes
[15:39] <Futurity> Back
[15:39] <earthshine_> yeah that was annoying
[15:39] <earthshine_> i was only able to decode around 10 lines
[15:39] <earthshine_> but then i am near the S coast, in a tent, ina field
[15:40] <Futurity> Is the an option to hear the sound from the laptop through the software?
[15:40] <edmoore> what os?
[15:40] <djellison> I can heaar more RTTY just below this thing
[15:40] <edmoore> Futurity: ?
[15:40] <Futurity> Windows
[15:40] <earthshine_> sabotage
[15:40] <djellison> 9840
[15:41] <Futurity> Yep futurity on windows on ft-790r with whip and decoding fine
[15:41] <edmoore> Futurity: don't know sorry. There's a good app for OSX though
[15:41] <Futurity> Lolon windows 7 hear
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[15:41] <Futurity> Should have brought mac
[15:41] <fsphil_> that was neat
[15:41] <wakefield_and_di> looking good for Whepstead
[15:42] <fsphil_> bbl guys
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[15:43] <Futurity> Guys I got the burst :)
[15:44] <edmoore> awesome
[15:44] <ProjectCirrus> futurity.... there is an option
[15:44] <djellison> That's about it from here - my Omni isn't very high
[15:44] <ProjectCirrus> in your sound card settings
[15:44] <djellison> and there are trees and houses to the ESE
[15:45] <earthshine_> Futurity i'd like to see that !!!
[15:45] <ProjectCirrus> in win 7 use the mixer
[15:45] <Futurity> Can someone note down 23'31"
[15:46] <Futurity> This is the burst time on the video
[15:46] <edmoore> you just did
[15:46] <edmoore> :p
[15:46] <Futurity> Ok
[15:46] Nick change: jonsowman_away -> jonsowman
[15:46] <Futurity> Any idea where mixer option is?
[15:47] jcoxon (~574a5ebf@gateway/web/freenode/x-kkodgqobofvyezlq) left irc: Quit: Page closed
[15:47] <earthshine_> that chase car doesn't seem to have moved
[15:47] <edmoore> natrium42: does the dynamic predictor as implemented use a given value for the descent coefficient or does it calculate it based on telemetry?
[15:47] <Futurity> On iPhone in irc so have no way on noting down lol
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[15:48] <wakefield_and_di> there's a sewage works near the projected landing site....nice.
[15:48] SpeedEvil (1000@tor/regular/SpeedEvil) joined #highaltitude.
[15:48] rjharrison_eee (~robert@ joined #highaltitude.
[15:48] <earthshine_> heading towards a nice big field of wheat
[15:49] <earthshine_> it will overshootthe sewage works
[15:50] <earthshine_> there she goes - right on past it
[15:51] <earthshine_> is there a backup TX on this? An SMS system ?
[15:52] Futurity (~futurity@ left irc: Ping timeout: 248 seconds
[15:53] <m6lep> Signal's fading here...
[15:53] <earthshine_> Are thea team in the chase car not listening ?
[15:53] <juxta> earthshine_: probably not, but rob's probably listening in the car
[15:54] <ProjectCirrus> theres a nice forrest up ahead
[15:54] <sbasuita> :S
[15:54] djellison (~djellison@78-86-234-136.zone2.bethere.co.uk) left irc:
[15:55] <m6lep> under 1800m altitude...
[15:55] Nick change: jonsowman -> jonsowman_away
[15:55] Nick change: jonsowman_away -> jonsowman
[15:55] <earthshine_> swinging North now
[15:55] <earthshine_> the predictor doing a fine job
[15:56] <m6lep> Lost signal...
[15:56] <wakefield_and_di> wish it would make it's mind up which way it is going.it's like a woman
[15:57] <m6lep> Last position I saw was 52.197580,0.640118 at 909m
[15:59] <earthshine_> it's in that field of wheat
[15:59] <wakefield_and_di> The eagle has landed
[15:59] <earthshine_> just off Brookes Corner
[16:01] <amarumo> apparantly the altitude is still 346m
[16:02] <sbasuita> amarumo, yeah that's the last uploaded packet
[16:02] <sbasuita> amarumo, its been on the ground for a long time now
[16:02] <amarumo> i know
[16:02] <m6lep> Well, minutes, at least. ;)
[16:03] <SpeedEvil> 346m is a great altitude though
[16:03] <SpeedEvil> even if there are no further packets
[16:04] <sbasuita> hmm
[16:04] wakefield_and_di (~g3wrs@87-194-147-71.bethere.co.uk) left irc: Read error: Connection reset by peer
[16:04] <sbasuita> so 100m north from the last point?
[16:04] amarumo (amar@calibre.demon.co.uk) left #highaltitude ("-_-").
[16:04] <earthshine_> chase car homing in
[16:06] Futurity (~futurity@ joined #highaltitude.
[16:06] <Futurity> Back
[16:06] <earthshine_> you missed all the fun
[16:06] <earthshine_> it landed in the roof of a truck and they are chasing it down the motorway
[16:07] <juxta> ...huh?
[16:07] <sbasuita> ;P
[16:07] <earthshine_> that chase car has gone too far
[16:07] <earthshine_> it's missed the turning
[16:07] <sbasuita> where is the chase car map?
[16:07] <juxta> earthshine_: where are you tracking the chase car?
[16:07] <earthshine_> roberts tracker
[16:07] <Futurity> Work called. Typical. When burst it didn't just disappear in a slpit second. It looked like it faded away. It's on manual focus so wasn't out of focus
[16:08] <earthshine_> http://www.robertharrison.org/tracker/map.php?height=1440
[16:09] <sbasuita> hmm that's not working here :(
[16:09] <sbasuita> just refreshing
[16:09] <Futurity> Was expecting it to just go away
[16:09] <SpeedEvil> Futurity: it's -40C or whatever
[16:09] <SpeedEvil> Futurity: while the elastic is elastic - put a rubber band in the freezer, stretched.
[16:10] <Futurity> Does that stop it bursting like a party balloon then?
[16:10] <SpeedEvil> Futurity: While it does eventually regain its shape, it takes a while
[16:10] <SpeedEvil> Futurity: It bursts like - but it only immediately contracts - the burst bits - slowly
[16:10] <SpeedEvil> AIUI anyway
[16:10] <earthshine_> ok they've turned around
[16:10] <Futurity> I see so it fading away is what you expect?
[16:10] <DanielRichman> Stick bamboo to PVC tube: glue gun sufficient or should I use some superglue, or other?
[16:10] <earthshine_> they are in the right road now
[16:10] <SpeedEvil> Futurity: it is not that surprising - I've never thoguht about it before
[16:11] <Futurity> Well I'll get the burst uploaded when I get home in40 minutes
[16:12] <SpeedEvil> over how long?
[16:12] <SpeedEvil> Futurity: 1*1 video? :)
[16:12] <Futurity> 1*1?
[16:13] <edmoore> earthshine: you're in cowfold?
[16:13] <earthshine_> yep
[16:13] <edmoore> is that where you live?
[16:14] <earthshine_> No
[16:14] <Futurity> I think I've caught the sun. This can't be England
[16:14] <N900evil_> Futurity: you saidearlier it was one pixel.
[16:14] <edmoore> oh. just i live about 10 mins away
[16:14] <earthshine_> Just visiting
[16:14] <earthshine_> My mate lives here
[16:14] <Futurity> About that on small screen. Should be bigger on pc in 1080p
[16:15] <Futurity> Can iMovie zoom into an area of a video?
[16:15] <earthshine_> yes
[16:15] <earthshine_> Looks like they've stopped to ask Farmer Giles for permission to tramp all over his crop
[16:16] <edmoore> there is the wierdest comment on rob's website
[16:16] <edmoore> 'You have inspired me to work on a new science project with my almost 9 year old son! He is obsessed with NASA and space as only an autistic can be!'
[16:19] <earthshine_> lol
[16:19] <earthshine_> they obviously got the wrong farmer
[16:19] <earthshine_> they are trying farmer no. 2
[16:19] <jonsowman> edmoore: haha
[16:22] <Futurity> N
[16:23] <Futurity> Bugger battery flat
[16:23] <Futurity> At the launch site :(
[16:24] <Futurity> edmoore: Are u available for a jump start?
[16:24] <ProjectCirrus> lol we had car problems too
[16:24] <Futurity> What a place to have a flat battery
[16:24] <edmoore> where are you?
[16:24] mattltm (~4e97652f@gateway/web/freenode/x-picglinutxdzoyow) joined #highaltitude.
[16:24] <ProjectCirrus> just push start?
[16:24] <Futurity> At ears.
[16:25] <Futurity> Just me.
[16:25] <edmoore> do you have jump leads?
[16:25] <Futurity> Let me check
[16:25] <earthshine_> where do you live ?
[16:27] <Futurity> No jump leads
[16:27] davet (~chatzilla@dsl-217-155-110-94.zen.co.uk) joined #highaltitude.
[16:27] <edmoore> Futurity: ok. i have some in the cusf lab. I will be with you in approx 25-30 mins
[16:27] <Futurity> Do you think rac would come to ears?
[16:27] <Futurity> Are u sure ed. Aren't you revising?
[16:27] <edmoore> I need a break from revising
[16:28] <earthshine_> they are now walkign around the edge of the field
[16:28] <Futurity> I owe you one big time. I'm such a fool.
[16:28] <edmoore> np
[16:28] <edmoore> right best be off!
[16:28] <Futurity> Thanks
[16:28] Nick change: edmoore -> edmoore|away
[16:29] <Futurity> I best phone the wife and let her know
[16:29] Nick change: edmoore|away -> edmoore|rescuing
[16:29] <earthshine_> lol
[16:30] <Futurity> I've just sent ed my mobile
[16:30] <earthshine_> as long as it didn't land in that strip of trees they should be able to find it easily
[16:31] <earthshine_> What we need is CTU to send a satellite to that spot to get live close up images of the area
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[16:33] <FutFutFut> Back
[16:33] <FutFutFut> Futurity = FutFutFut
[16:34] <earthshine_> lol
[16:34] <mattltm> Hy guys. I have been following the launch. My first time. Looks great.
[16:34] <FutFutFut> Can some pm me ed's mobile number. Or can someone pass on mine to ed?
[16:34] <fsphil> back too -- found a great little spot just outta town with a perfectly clear horizon. will go back again for the next launch :)
[16:35] juxta (fourtytwo@ppp118-210-231-183.lns20.adl6.internode.on.net) left irc: Ping timeout: 264 seconds
[16:36] <fsphil> can't believe how strong the signal was, considering how far away I am
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[16:40] <ProjectCirrus> the power of the ntx2
[16:40] <ProjectCirrus> and the clear northern irish air
[16:40] FutFutFut (~futurity@ left irc: Ping timeout: 260 seconds
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[16:41] <fsphil> it's a mightly little radio -- esp. considering the radio I first got couldn't get into the next room
[16:42] <Futurity> Back. I hate iPhone single tasking
[16:42] <jonsowman> Futurity: OS4 :)
[16:42] <Futurity> I may sign up as a developer early just for the beta
[16:42] <Futurity> Of os4
[16:43] <rjharrison_eee> payload recovered
[16:43] G3VZV_Graham (~g3vzv@ joined #highaltitude.
[16:44] <Futurity> Cool rob. Cameraman stranded
[16:44] <fsphil> congratulations rjharrison_eee !
[16:44] <Futurity> Flat battery
[16:44] <earthshine_> nice one
[16:44] <earthshine_> well done
[16:44] <Futurity> Congrats
[16:44] <earthshine_> was it in the middle of that wheat field Rob ?
[16:46] <jonsowman> rjharrison_eee: nicely done
[16:46] mattltm (~4e97652f@gateway/web/freenode/x-hrjjejqsuzddxuto) joined #highaltitude.
[16:46] Futurity (~futurity@ left irc: Quit: Colloquy for iPhone - http://colloquy.mobi
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[16:47] <junderwood> rjharrison_eee, was it covered in grey ash then? :-)
[16:47] <Futurity> Back
[16:48] <junderwood> Photos on-line later or in the News of the World tomorrow? :->
[16:49] <fsphil> Reminder: http://www.southgatearc.org/news/april2010/arecibo_432_moonbounce.htm
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[16:55] <Futurity> So what was the max altitude in the end?
[16:56] Lunar_Lander (~lunar_lan@p54885E1B.dip.t-dialin.net) joined #highaltitude.
[16:56] <Lunar_Lander> hello
[16:56] <Futurity> Hi
[16:57] <Lunar_Lander> can we have a balloon that can be valved down?
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[17:04] <mattltm> Hi guys. Is there going to be another launch today?
[17:07] <junderwood> I wouldn't have thought so
[17:07] <jonsowman> mattltm: don't think so
[17:08] <earthshine_> mattltm: not today
[17:08] <junderwood> I think there have been as many launches in the last two days as the rest of the year put together
[17:09] Nick change: jonsowman -> jonsowman_away
[17:10] Nick change: jonsowman_away -> jonsowman
[17:11] <ProjectCirrus> yeah... every single one of my launches has been in the past two days
[17:12] mattltm (~mattltm@ left irc: Ping timeout: 258 seconds
[17:14] <junderwood> Someone should tell rjharrison_eee that if you want to break the speed limit, you shouldn't upload your speed on the internet for everyone to see.
[17:15] <junderwood> http://www.robertharrison.org/tracker/map.php
[17:15] <DanielRichman> haha
[17:15] Jasperw (~jasperw@client-80-5-46-94.cht-bng-015.adsl.virginmedia.net) joined #highaltitude.
[17:17] <rjharrison_eee> no pics i'm afraid
[17:17] <rjharrison_eee> camera died b 4 launch
[17:18] <rjharrison_eee> And I didn't check :(
[17:18] <rjharrison_eee> lesson learnt
[17:18] <junderwood> :-(
[17:18] <junderwood> Hard luck
[17:18] <earthshine_> DOH!!!!!
[17:19] <rjharrison_eee> To be honest I think it was the autopower of setting kicking in
[17:19] <Lunar_Lander> hello
[17:19] <rjharrison_eee> I think this is the new camera i got and i hadn't made the change :(
[17:21] <Lunar_Lander> yea
[17:21] <Lunar_Lander> can I bring up a problem?
[17:21] <earthshine_> darnit
[17:23] <rjharrison_eee> yep
[17:23] <ProjectCirrus> rj... i empathise
[17:23] <rjharrison_eee> I need to investiget what happend to cause the swinging with the signal
[17:24] <rjharrison_eee> ProjectCirrus: thanks
[17:24] <rjharrison_eee> bit frustrating but there you go
[17:30] <Lunar_Lander> I'm sad too rjharrison_eee
[17:30] <Lunar_Lander> I can feel what you feel now
[17:31] <Lunar_Lander> I'd kick the wall
[17:34] <natrium42> did anybody watch how predictor performed?
[17:35] <jonsowman> natrium42: perfectly from what i saw
[17:35] <Lunar_Lander> hi natrium42
[17:35] <natrium42> yo
[17:35] <sbasuita> natrium42, does it assume a linear descent rate?
[17:35] <natrium42> jonsowman, how close did it land to prediction?
[17:35] <Lunar_Lander> A friend of mine asked a question
[17:36] <jonsowman> natrium42: i dont know the real landing spot, sorry
[17:36] <Lunar_Lander> "Can we have a balloon that comes down by valving instead of bursting?"
[17:36] <natrium42> sbasuita, i think so, need to look into it
[17:36] <jonsowman> also i didnt watch it for the entire flight
[17:36] <natrium42> i do feed calculated ascent/descent rates into the algorithm
[17:37] <sbasuita> natrium42, the predicted landing spot swept east continuously during descent
[17:37] <natrium42> ah
[17:37] <natrium42> will look into it later
[17:39] <Lunar_Lander> my friend waits on an answer
[17:39] <natrium42> well, the code is on github
[17:39] <natrium42> search for cusf
[17:39] <natrium42> i just feed it calculated ascent/descent rates
[17:39] <natrium42> (if available)
[17:40] rjharrison_eee (~robert@ left irc: Ping timeout: 258 seconds
[17:40] <DanielRichman> Lunar_Lander, i think it's been considered but hard to build; easier to use ballast or bust depending on what type of flight you want
[17:41] <natrium42> they're calculated based on 5 last samples
[17:41] <DanielRichman> *burst
[17:41] <DanielRichman> natrium42, while it was falling at 45m/s in the upper atmostphere the landing point was way too far west
[17:41] <Lunar_Lander> ah ok
[17:42] <DanielRichman> Lunar_Lander, what type of flight does your friend want to achieve?
[17:42] <natrium42> yeah, the algorithm probably expects descent rate at ground level
[17:42] <Lunar_Lander> he just asked if we could save money for balloons by not letting them burst
[17:42] <natrium42> latex degrades
[17:42] <natrium42> i don't get those money saving mindset anyway :P
[17:43] <DanielRichman> Lunar_Lander, once it's flown it will be so badly stretched it's practically unusable, I believe
[17:43] <natrium42> balloon is not the largest cost of a lunch :P
[17:43] <DanielRichman> I thought that might be your goal :P
[17:43] <DanielRichman> natrium42, it is here
[17:43] <Lunar_Lander> yea
[17:43] <Lunar_Lander> I mean I look into standard HAB
[17:43] <Lunar_Lander> and he occasionally comes up with ideas like that
[17:44] <Lunar_Lander> one thing that bothers him is the balloon drift
[17:44] <Lunar_Lander> he wanted to make a thether to the stratosphere
[17:44] <Lunar_Lander> which I know is impossible
[17:44] <natrium42> deflating the balloon to descend would be a nice trick
[17:44] <natrium42> but i still would have a chute for safety
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[17:45] <natrium42> so not really sure why you'd go through the trouble
[17:46] <Lunar_Lander> yes
[17:47] <Lunar_Lander> and I won't go through it anyway :)
[17:48] <natrium42> simple system == better system
[17:48] <fsphil> Did Futurity manage to film the balloon bursting from the ground?
[17:48] <natrium42> that's what he said
[17:49] <natrium42> looking forward to video :D
[17:49] <fsphil> yea, same here
[17:49] Action: natrium42 has been thinking about optical tracking for a while....
[17:49] <fsphil> gps + goto telescope
[17:49] <natrium42> camera on a motorized telescope mount
[17:49] <natrium42> yeah
[17:53] Nick change: m6lep -> LazyLeopard
[17:54] <Lunar_Lander> cool
[17:56] Nick change: jonsowman -> jonsowman_away
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[18:05] Action: LazyLeopard wonders what was causing the intermittent signal today. And the change in RTTY shift was interesting, too. Even so, the loggers page says I got 167 lines in. ;)
[18:08] <fsphil> it seemed to shift between lines from what I heard
[18:08] <fsphil> quite sudden too
[18:13] <Lunar_Lander> btw
[18:14] <Lunar_Lander> in the floaters, when they cut down
[18:14] <Lunar_Lander> is it true that the balloon is ripped open simultaneously?
[18:15] <SpeedEvil> sounds not completely implausible
[18:15] <SpeedEvil> the latex is not very flexy at those sorts of temps
[18:15] <SpeedEvil> if you drastically instantly change the stress on the balloon, bad stuff might happen
[18:18] <LazyLeopard> Yeah, I saw one sudden drop which was severe enough that I had to reconfigure the RTTY settings.
[18:19] <SpeedEvil> The ash cloud is getting worse - especially where it touches down. http://www.mauve.plus.com/ash.jpg
[18:19] <fsphil> haha
[18:19] <LazyLeopard> Heh ;)
[18:19] <fsphil> I love that picture, esp. because it shows N.Ireland in it's typical state -- covered in cloud :)
[18:22] <Lunar_Lander> XD
[18:22] <Lunar_Lander> is it true that the UK countries hate each other?
[18:23] <earthshine_> ?
[18:23] <Lunar_Lander> I have been told that England, Scotland, Wales and N. Ireland "battle" each other all the time
[18:24] Jamz (~Jamz@ left irc: Quit: HydraIRC -> http://www.hydrairc.com <- Would you like to know more?
[18:24] <earthshine_> thats exagerated
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[18:26] <Lunar_Lander> also I have been told that there is a law in Chester, that a Welshman in the town hall may be shot in a certain hour on Sunday
[18:31] <earthshine_> that's true
[18:31] <natrium42> lol
[18:32] <ProjectCirrus> it's just the fact that NI beat england in football that they don't like
[18:32] <Lunar_Lander> xD
[18:32] <ProjectCirrus> 1-0
[18:34] <ProjectCirrus> I usually care very little about football.... but that is one match that i could watch on repeat till kingdom come..... I love being the under dog
[18:34] <Lunar_Lander> yeah
[18:35] <Lunar_Lander> I remember the first Robot Wars World Championship
[18:35] <Lunar_Lander> where they simply split the UK up and ended up with Razer (England) vs. Behemoth (England) xD
[18:35] <Lunar_Lander> and the Czech and Cyprus entries were English teams with roots to these countries
[18:36] <LazyLeopard> Bit like baseball World Series, then... ;)
[18:36] <Lunar_Lander> yeah xD
[18:37] <Lunar_Lander> the only other ones were two robots from the USA, and one each from Holland, Belgium and Australia
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[18:48] Nick change: jonsowman_away -> jonsowman
[18:52] <Lunar_Lander> hi jonsowman
[18:59] <SpeedEvil> 'G-BDXH also entered the Guinness Book of Records as the longest glide in a non-purpose-built aircraft, ' http://en.wikipedia.org/wiki/British_Airways_Flight_9
[18:59] <SpeedEvil> Not I guess a record you try for... :)
[19:00] <Lunar_Lander> xD
[19:02] <jonsowman> Lunar_Lander: hi
[19:02] <Lunar_Lander> how's life?
[19:04] <jonsowman> yeh good thanks
[19:04] <jonsowman> yourself?
[19:04] <Lunar_Lander> I'm good too :)
[19:05] <Lunar_Lander> do you know what exactly jcoxon wants to achieve with AtlanticHalo?
[19:05] <Lunar_Lander> besides doing the crossing
[19:07] <N900evil_> world peace.
[19:08] <Lunar_Lander> yay
[19:13] <fsphil> robot wars .. I miss that show :)
[19:14] <Lunar_Lander> yeah
[19:15] <ProjectCirrus> same here.... i built a robot... but it was more general purpose than DESTROY
[19:15] <ProjectCirrus> good for sitting on
[19:15] <ProjectCirrus> and throwing cousins off it
[19:15] <ProjectCirrus> but alas i was too young to really build something to compete
[19:16] <Lunar_Lander> yea
[19:19] Futurity (~Futurity@cpc7-cmbg15-2-0-cust14.know.cable.virginmedia.com) joined #highaltitude.
[19:19] <Futurity> hi everyone
[19:19] <Futurity> just watched the video in HD
[19:19] <Futurity> and the balloon bursts like a pacman
[19:20] <Futurity> its about 10 pixels across
[19:20] <Futurity> i can actually see the shadow on the balloon (although may be video artifacts
[19:20] <Lunar_Lander> xD cool
[19:20] <Futurity> it bursts and then you actually see it decent
[19:20] <Lunar_Lander> yeah
[19:20] <Lunar_Lander> <Artlav>Weren't ther stories about couples that couldn't have children, because it turned out they had no idea what sex is and how to make them?
[19:20] <Futurity> the burst balloon that is for a few seconds
[19:21] <Futurity> there is also a nice shot when a satellite goes past the balloon
[19:21] <Futurity> near miss ;)
[19:22] <Lunar_Lander> :P
[19:23] <DanielRichman> Futurity, have you uploaded the video?
[19:23] <Futurity> not yet
[19:27] <Futurity> i need to find a was of tacking a section from hd video
[19:28] <Futurity> its 1080p an too hi res for youtube
[19:28] <natrium42> vimeo plz
[19:28] <natrium42> Futurity, can't you crop it?
[19:29] <Futurity> crop video?
[19:29] <natrium42> yeah
[19:29] <Futurity> cool
[19:29] <Futurity> can imovie do that does antone know?>
[19:29] <natrium42> it should
[19:30] <natrium42> it's a very basic operation
[19:32] <Futurity> cool
[19:32] <Futurity> i'll be back here around 9pm - 10pm ish i think
[19:32] <Futurity> will anyone still be around?
[19:32] <Futurity> i have to go do moon bouncing ;)
[19:35] <SpeedEvil> yes
[19:37] Action: SpeedEvil finds you can land 737s on grass.
[19:37] <SpeedEvil> http://en.wikipedia.org/wiki/TACA_Flight_110
[19:41] <DanielRichman> Futurity, I'm sure Youtube lets you upload 1080p - I've seen it around on yt
[19:41] <DanielRichman> bbl
[19:42] <Lunar_Lander> yes
[19:42] <Futurity> really
[19:42] <ProjectCirrus> but a crop might help show detail anyway
[19:42] <Futurity> cool in which case i'll upload the small section of it
[19:42] <Lunar_Lander> 1080p is possible
[19:42] <Futurity> cool
[19:42] <Futurity> in which case i may do it in a second
[19:42] <ProjectCirrus> otherwise it might be very hard to see
[19:42] <Futurity> exactly
[19:43] <Futurity> well if i crop the detail it will be ok
[19:43] <Futurity> but that takes trime
[19:43] <ProjectCirrus> cool
[19:44] <fsphil> tried moon bouncing, didn't hear anything
[19:46] <ProjectCirrus> similar to space hopping?
[19:46] <ProjectCirrus> i loved doing that as a kid
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[19:47] <fsphil> everyone did!
[19:48] <ProjectCirrus> i wonder what a space hoppers terminal velocity is
[19:48] <ProjectCirrus> ie... how high would it bounce if we dropped one from a balloon
[19:49] <ProjectCirrus> with someone sitting on it
[19:49] <SpeedEvil> very low
[19:49] <SpeedEvil> not so low
[19:49] <ProjectCirrus> lol
[19:50] <SpeedEvil> probably not much more than the minimum freefall speed of a human
[19:50] <SpeedEvil> (in the maximum drag position)
[19:50] <SpeedEvil> The spacehopper - assuming it was upright - would be more aerodynamic than that
[19:50] <SpeedEvil> 70MPH?
[19:50] <ProjectCirrus> surely more
[19:50] <SpeedEvil> nope
[19:51] <ProjectCirrus> hume tv is 120mph
[19:51] <SpeedEvil> depends on the orientation
[19:51] <SpeedEvil> you go a _lot_ faster in a head-down dive, than a drag position
[19:51] <ProjectCirrus> well assuming straight
[19:52] <ProjectCirrus> can't see how homosexuality would make any difference though
[19:52] <ProjectCirrus> on the terminal velocity note... whens the redbull drop supposed to happen
[19:54] <SpeedEvil> ok - I think I was misremembering m/s for mph
[19:54] <SpeedEvil> for terminal velocity
[19:54] <SpeedEvil> so 120 may indeed be closer
[19:54] <ProjectCirrus> many thanks
[19:55] <ProjectCirrus> we should try and get a payload to go super sonic before red bull does
[19:55] <ProjectCirrus> although i think they get more credit for making a human do it
[19:55] <fsphil> they're doing what?
[19:56] <ProjectCirrus> kittenger style
[19:57] <ProjectCirrus> they are sticking up a parachutist in a spacesuit
[19:57] <ProjectCirrus> hoping to go higher than kit
[19:57] <ProjectCirrus> then break the sound barrier
[19:57] <fsphil> oh sweet .. that's a long standing record
[19:57] <ProjectCirrus> the website is quite good
[19:57] <ProjectCirrus> if a little non techie orientated
[19:57] <SpeedEvil> all you need is a low drag shroud
[19:58] <ProjectCirrus> just drop a streamlined payload with no chute
[19:58] <ProjectCirrus> a really really dense payload.... like a big fishing weight
[19:59] <ProjectCirrus> with a gps module on top
[19:59] <SpeedEvil> long rod of tungsten.
[19:59] <ProjectCirrus> although the gps would cut out
[19:59] <SpeedEvil> It shouldn't
[19:59] <ProjectCirrus> because they cant do above 60,000 feet AND high g's
[19:59] <SpeedEvil> you're not going >1000kt and >60000ft at the same time
[19:59] <SpeedEvil> there is no high G restriction in the legislation
[20:00] <ProjectCirrus> ahh... 1000 kt
[20:00] <SpeedEvil> it's solely speed
[20:00] <ProjectCirrus> thought it was lower than that
[20:00] <ProjectCirrus> fair do's
[20:00] <ProjectCirrus> can't help but think of the damage
[20:00] <ProjectCirrus> it would be akin to a KE weapon
[20:01] <ProjectCirrus> it would probably makes its way through most of the earths crust
[20:01] <ProjectCirrus> on the other side :)
[20:01] <SpeedEvil> naah - it's only a bit supersonic
[20:01] <ProjectCirrus> lol
[20:01] <ProjectCirrus> imagine a tungsten rod.... a bit supersonic
[20:02] <ProjectCirrus> i don't want to stand under it!
[20:02] <fsphil> drop it over the ocean
[20:02] <ProjectCirrus> tidal wave
[20:02] <ProjectCirrus> ps i do realise that i may be exagerating
[20:02] <SpeedEvil> Even from 30Km - it's only ~ mach 2
[20:02] <SpeedEvil> if you totally ignore drag
[20:02] <SpeedEvil> at sea level
[20:03] <ProjectCirrus> to be fair when you said tugsten rod i was thinking of something more like an l sized gas cylinder
[20:04] <ProjectCirrus> at mach 2 that would do some damage
[20:04] <SpeedEvil> I was thinking more like a meter long and cm thick
[20:04] <ProjectCirrus> you'd be playing voodo with the earth!
[20:05] <ProjectCirrus> on that bombshell i really have to get on with uni work bfn
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[20:08] <Futurity> Hi
[20:08] <Futurity> Ok i'm off to listen in to the moon bounce radio stuff
[20:08] <Futurity> but on my return i'll sort out the balloon burst video :)
[20:09] <Futurity> if rharrision comes on, can you tell him i'll be doing the video around 9:30pm to 10pm BST
[20:09] <Futurity> ttfn and thanks to everyone for the altitude help today
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[20:19] <mattltm> Hey all. How did it turn out? Good images?
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[20:59] <jonsowman> anyone heard anything on moonbounce?
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[21:01] <fsphil> no luck here
[21:02] <Lunar_Lander> yea
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[21:06] <rjharrison> HI all
[21:06] <rjharrison> Back at home now
[21:06] <rjharrison> Worked out the problem with the camera
[21:07] <rjharrison> It was the backup camera and it still had the power save feature enabled which caues it to shut down after five mins
[21:07] <LazyLeopard> At 20:09 Futurity said "if rharrision comes on, can you tell him i'll be doing the video around 9:30pm to 10pm BST"
[21:07] <Lunar_Lander> oh
[21:07] <rjharrison> ie way before launch
[21:07] <rjharrison> and well I didn't check it before launch
[21:07] <rjharrison> So lesson learnt
[21:07] <Lunar_Lander> yes
[21:07] <LazyLeopard> rjharrison: Ugh. How frustrating. :(
[21:07] <rjharrison> However we have a bigh surpeise in store for you
[21:07] <rjharrison> big
[21:07] <rjharrison> surprise
[21:08] <jonsowman> rjharrison: ?
[21:09] <rjharrison> As Futurity says we have filmed burst from the ground and apparently you can se the balloon burst from the top and peel down to the base before the balloon starts to fall from the sky
[21:09] <rjharrison> This is filmed from the launch position and the balloon burst at aproximately 31k
[21:10] <rjharrison> The rule of thirds worked again and even thought all the balloon returned there was no imparement of the parachute
[21:10] <jonsowman> rjharrison: wow, nice
[21:10] <jonsowman> what camera?
[21:10] <jonsowman> and also, can we see the video? :D
[21:11] <Lunar_Lander> rule of thirds?
[21:13] <N900evil_> jonsowman: being uploaded later
[21:13] <rjharrison> Payload 2/3rds f line parachute 1/3rd balloon
[21:13] <jonsowman> N900evil_: ok cool, ta
[21:13] <rjharrison> jonsowman it will be on you tube at ten ish
[21:13] <N900evil_> (not by me)
[21:13] <rjharrison> jonsowman A560
[21:14] <rjharrison> Right I'm off for a bath
[21:14] <rjharrison> BBIAB
[21:16] <jonsowman> i mean what camera was the burst filmed with?
[21:16] <N900evil_> cheap point and shoot
[21:16] <jonsowman> oh right okay :)
[21:17] <SpeedEvil> (03:18:51 PM) Futurity: Lol I'm using a cheap canon powershot SX1 IS
[21:21] <edmoore|rescuing> it's actually quite a nice camera!
[21:22] <SpeedEvil> I've gotten quite surprisingly good pics with a cheap camera + binocs + duct tape.
[21:22] <rjharrison> I'm going to be ding web cam and telescope at a lunch over the summer
[21:22] <rjharrison> doing
[21:23] <rjharrison> Fed into live video feed
[21:23] <SpeedEvil> guided scope?
[21:23] <rjharrison> Tracker was a success with crc16
[21:24] <rjharrison> I don't think a bad packet got through and there were a few :)
[21:24] <rjharrison> Need to debug whay the freq drift
[21:24] <rjharrison> why
[21:24] <rjharrison> batch time
[21:24] <rjharrison> bath :)
[21:25] <fsphil> nice work rjharrison, looking forward to the burst video - I think it's a first
[21:26] <SpeedEvil> first from the ground
[21:26] <SpeedEvil> some people have done it from the sky
[21:26] <SpeedEvil> which have in some ways a poorer view
[21:27] <SpeedEvil> how many pixels is it?
[21:29] <fsphil> <Futurity> its about 10 pixels across
[21:29] <natrium42> so, you can see the pixels?
[21:30] <edmoore|rescuing> fsphil: first for ukhas
[21:30] <edmoore|rescuing> but done plenty of times before around the world by other groups
[21:30] Nick change: edmoore|rescuing -> edmoore
[21:31] <fsphil> ah
[21:31] <fsphil> it's a good job, I had trouble picking out our balloon after only a few km
[21:31] <edmoore> fsphil: http://www.eoss.org/eoss085/eoss85_quick_pop_normal_contrast.wmv
[21:35] <fsphil> nice -- is it a video artefact, or is there a faint plume rising up from where the balloon burst? helium escaping?
[21:36] <edmoore> could be helium of helium+talc
[21:36] <edmoore> the balloons are internally lined with talc
[21:36] <fsphil> ah, that'll probably be it
[21:36] <edmoore> s/of/or
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[21:48] <SpeedEvil> I think you can actually see the payload chute
[21:48] <SpeedEvil> just
[21:49] <SpeedEvil> Also - my above comments about temp may be slightly misguided
[21:49] <SpeedEvil> consider a normal balloon
[21:49] <SpeedEvil> it has a radius of maybe 30cm at pop.
[21:49] <SpeedEvil> diameter
[21:49] <SpeedEvil> if you have a diameter of 20m, then even with the same tear propagation velocity, it's going to look 'slow motion'
[21:57] <edmoore> so we can easily buy balloons with that can get to a 10m diameter
[21:57] <edmoore> actually it's probably difficult to somehow use that to make a 10m dish
[21:57] <rjharrison> Back and cleaner
[21:58] <rjharrison> well in body if not mind
[21:58] <rjharrison> Well on this video to add to the excitement there is a iriduium flare too
[21:59] <rjharrison> just by the balloon
[21:59] <edmoore> oh wow
[21:59] <edmoore> what are the odds after last night's convo
[21:59] <edmoore> incidently that -8 flare was spectacular
[21:59] <rjharrison> Now you'll have to do the checking but there is certainly a quick flash across the sky
[21:59] <rjharrison> cool
[21:59] <edmoore> practically lost night blindness looking at it
[21:59] <rjharrison> SAme I'm wrong lat lon
[22:00] <rjharrison> shame
[22:00] <SpeedEvil> rjharrison: well - you have a _damn_ good bearing.
[22:00] <rjharrison> cool
[22:00] <SpeedEvil> :)
[22:00] <edmoore> keep checking heavens-above.com
[22:00] <rjharrison> Will do
[22:00] <rjharrison> edmoore thanks for sorting the battery out
[22:00] <edmoore> np
[22:04] <SpeedEvil> oh - neat - I get a -3 flare in about an hour
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[22:12] <Laurenceb> rjharrison: any ash cloud shots
[22:13] <rjharrison> No :(
[22:13] <rjharrison> None bit to hasty in launch and missed the powersave option on the camera = no pics
[22:14] <Laurenceb> :(
[22:14] <rjharrison> The problem 1) I should have ran a test but i kind of did this at the last minute and 2) I have only ever set this one 2 years ago !
[22:14] <Lunar_Lander> :(
[22:14] <Lunar_Lander> yeah
[22:14] <rjharrison> once
[22:15] <Lunar_Lander> rjharrison you have mentioned a "rule of thirds" a couple of hours ago
[22:15] <Lunar_Lander> what is that`?
[22:15] <rjharrison> RIght if you are relying on the balloon to burst then there is a danger the balloon will ensnare the payload or parachure
[22:16] <rjharrison> For the last 6 launches I have put the para at 2/3rds along the line ie 1/3 from the top and the balloon at the top
[22:17] <rjharrison> When it bursts the balloon falls below the para and sems to keep out of the way and it's also a good way from the payload. So far this has give very good descents
[22:17] <rjharrison> Ie controlled and relativly slow
[22:18] <rjharrison> Historically I think the para has tended to be closer to the payload and the balloon far away
[22:18] <Lunar_Lander> ah ok
[22:18] <rjharrison> This may only be true for my early launches
[22:18] <Lunar_Lander> yes
[22:19] <rjharrison> basically keep the para up there with the balloon
[22:19] <Lunar_Lander> yes
[22:19] <rjharrison> I'm uploading dome ground pics from today
[22:21] <Lunar_Lander> cool
[22:21] <Lunar_Lander> thanks for the info :)
[22:21] <fsphil> I'll have to remember that
[22:22] <sbasuita> just so we're clear its like this? PAYLOAD-------------2/3--------------CHUTE------1/3------BALLOON ?
[22:23] <Lunar_Lander> and how long is the whole balloon train?
[22:23] <Lunar_Lander> how long is the cord?
[22:23] <edmoore> whatever's sensible. 5-50m
[22:23] <rjharrison> 15 - 20 m
[22:24] <edmoore> we've flown 100m for fairly niche things. you gain stability with length
[22:25] Action: natrium42 suggests 30km
[22:25] <rjharrison> lol
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[22:35] <rjharrison> Ground launch pics
[22:35] <rjharrison> http://www.flickr.com/photos/30721501@N05/4528729463/in/set-72157623877214502/
[22:35] <rjharrison> My mother
[22:35] <rjharrison> Not much good as launch crew but good at being an anchor
[22:36] <natrium42> :D
[22:36] <fsphil> haha, brilliant
[22:36] <fsphil> that's a big balloon
[22:36] <edmoore> nice landiong spot
[22:36] <rjharrison> Just on the edge of the field
[22:38] <rjharrison> edmoore the CUSF predictor seems to be pusing the landing spot further away then it is. Probably due to faster ascent than given to the pred.
[22:38] <edmoore> i'm not sure how it's implemented on the tracker
[22:39] <edmoore> but yes if it just naively used the prior information that would be the result
[22:39] <edmoore> likewise it can calculate CdA based on the actual telemetry to optimise the descent prediction
[22:39] <edmoore> but i don't know if that's implemented on the tracker either
[22:40] <rjharrison> True
[22:40] <rjharrison> natrium42's the man for that
[22:40] <edmoore> we have a version that certainly learns the details from the flight telem
[22:40] <rjharrison> Yep that sounds cool
[22:40] <rjharrison> Did you see the power lines :)
[22:40] <rjharrison> 20 meters away
[22:41] <edmoore> that's what we used to see the descent for the first time back in 2008. but i'm not sure if it's a solid as the new code
[22:41] <rjharrison> I had the power line remover with me :)
[22:41] <natrium42> i just input the calculated descent rate into the algorithm
[22:41] <natrium42> should probably adjust it for altitude
[22:41] <edmoore> yeah
[22:42] <edmoore> given two separate tuples (time, alt) you can calculate CdA
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[22:43] <natrium42> i don't want to mess with the algorithm so that it can be updated separately
[22:43] <natrium42> just need to calculate equivalent descent rate at sea level
[22:43] <edmoore> you can calc that outside the main predictor code
[22:43] <edmoore> sure, exactly
[22:44] <edmoore> easy enough with two alt+time strings
[22:45] <DanielRichman> Can we convert a popped balloon into a 'chute?
[22:45] <DanielRichman> ie. rig it so that it bursts in a controlled manner, opening up into a chute
[22:45] <edmoore> good luck trying :p
[22:45] <edmoore> sure it drags though
[22:46] <edmoore> you'd have to make it fail in a very defined way
[22:46] <natrium42> lol
[22:46] <SpeedEvil> smear vaseline on it in a cross pattern
[22:46] <edmoore> and that'd be touch with it being stored folded in a bag for several months and being pummelled with UV
[22:46] <edmoore> tough*
[22:47] <DanielRichman> If we attach ropes round the middle, and reinforce in a ring round the middle (you know, stick sellotape over a standard ballon, insert pin, no burst), then ensure it pops at the top... invert the bottom half to get a chute!
[22:47] <rjharrison> RocketBoy http://www.flickr.com/photos/30721501@N05/4528729463/in/set-72157623877214502/
[22:47] <natrium42> edmoore, do you have the formula handy?
[22:47] <edmoore> i can probs figure it out
[22:48] <natrium42> descent_at_sea = f(descent_at_alt, alt)
[22:48] <edmoore> gimme a min
[22:48] <natrium42> k, cool
[22:48] <rjharrison> futurity will be here in a few mins
[22:48] <rjharrison> Then we're going to have some unusual video Uloaded
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[22:49] <natrium42> code that calls the predictor --> http://pastie.org/private/06y6xjz9d5mdave1l1kmg
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[22:50] <Futurity> Hi Everyone
[22:50] <Futurity> Video Editing time :)
[22:51] <rjharrison> I think quote of the day goes to Futurity touching the fence at EARS wow I just got a static shock off the fence
[22:51] <Futurity> lol
[22:51] <Futurity> i'll get you the video clip of that as well
[22:51] <edmoore> natrium42: you'll need a function that takes altitude and returns density
[22:51] <Lunar_Lander> xD
[22:51] <rjharrison> We pointed out that the large car battery in the field was providing the power to the electric fence :)
[22:51] <SpeedEvil> :)
[22:52] <SpeedEvil> Ah - townies.
[22:52] <rjharrison> Futurity was very cool I would have let out a hefty shout
[22:52] <SpeedEvil> depends on the footwear
[22:53] <Lunar_Lander> xD
[22:54] <Futurity> it was a nasty electric shock though
[22:54] <Futurity> not far off of mains shock
[22:54] <Futurity> it certainly made my arm move involentarily
[22:54] <Lunar_Lander> http://www.youtube.com/watch?v=sGEWhPoNm1g
[22:54] <Lunar_Lander> like this?
[22:54] <rjharrison> The bit that made me smile was the static shock comment, hell of a belt of static discharge
[22:54] <SpeedEvil> If you're properly grounded it's typically lot nastier
[22:57] <Futurity> told impvioe to import the movies and it says it'll take an hour
[22:57] <edmoore> rjharrison: do you have a link to the raw strings for this flight? I just want to check this sea-level-rate equation before i send it to natrium
[22:57] <Futurity> stupid thing
[22:57] <RocketBoy> rjharrison: ta
[22:58] Action: RocketBoy awaits busrt video with great expectations
[22:58] <Lunar_Lander> hi RocketBoy, how's life?
[22:59] <rjharrison> edmoore one sec
[22:59] <edmoore> rjharrison: s'ok
[22:59] <edmoore> i actually know the url off by heart
[22:59] <edmoore> at least my fingers do
[23:00] <rjharrison> http://www.robertharrison.org/listen/poll.php?callsign=icarus
[23:00] <rjharrison> This is cleaner
[23:00] <RocketBoy> Lunar_lander: cool - I have just been launching some of those chinese lantern hot air balloons
[23:00] <Lunar_Lander> cool
[23:01] <rjharrison> RocketBoy they are cool
[23:01] <Futurity> movie importimg
[23:01] <rjharrison> A few more UFO reports though
[23:01] <Lunar_Lander> they often cause UFO reports ;)
[23:01] <Lunar_Lander> yeah xD
[23:01] <Futurity> says 15 minutes
[23:01] <rjharrison> Cool I'll wait for that
[23:01] <Futurity> no idea what imovies doing during these 15 minutes though
[23:01] <rjharrison> how's the sunburn Futurity
[23:01] <Futurity> not to bad
[23:01] <Futurity> just red
[23:02] <Futurity> put some after sun on, but no headache like i normally get from sun burn
[23:02] <RocketBoy> rjharrison: Yeah it was a great night for them here - little wind - clear sky
[23:02] <rjharrison> Futurity, http://www.flickr.com/photos/30721501@N05/4528729463/in/set-72157623877214502/ some pics from launch
[23:02] <rjharrison> You can see for 31km apparently
[23:02] <rjharrison> :)
[23:03] <rjharrison> With some pythagoras more likly 45 / 50 km
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[23:03] <Futurity> good photos
[23:04] Action: rjharrison is writing a launch checklist
[23:04] <rjharrison> not bad given my mother took them :)
[23:04] <rjharrison> Only missing 1/2 a balloon and not 1/2 my head :p
[23:04] <Futurity> quite well framed as well
[23:05] <Lunar_Lander> xD
[23:05] <Futurity> so at burst is was 31km high? how far away from the launch side horizintally would you say?
[23:05] <Futurity> 11 until import finished
[23:05] <Futurity> can't take long to make a 10 second video
[23:06] Nick change: RocketBoy -> RocketBoy|Away
[23:09] <edmoore> rjharrison: what was the actual sea level descent rate today do you know?
[23:09] <rjharrison> Landing position http://www.flickr.com/photos/30721501@N05/4529471764/sizes/o/
[23:09] <rjharrison> edmoore, no idea
[23:10] <edmoore> ok, well based on two random consecutive strings from 25km (which I am differentiating so therefore will be noisy) the descent rate at sea level should be 6.6m/s
[23:10] <rjharrison> I guess the alt1-alt2/dT :)
[23:10] <edmoore> so this algorithm works well enough
[23:11] <edmoore> perhaps with some smoothing like on the ascent rate
[23:11] <rjharrison> any one knoe the freq for the EME coms
[23:11] <rjharrison> know
[23:11] <edmoore> 432.045
[23:11] <edmoore> finished for today but on tomorrow
[23:12] <Futurity> Gavin could receive it ok, but it was quite a lot of noise
[23:12] <fsphil> voice or morse?
[23:12] <Futurity> Gavin was expecting to hear many hams trying to contact back, but didn't really hear any
[23:12] <rjharrison> SSB FM ?
[23:12] <Futurity> both
[23:12] <rjharrison> Mode
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[23:12] <edmoore> ssb fm!?
[23:12] <rjharrison> cool
[23:12] <Futurity> i'm not sure to be honest
[23:13] <Futurity> i think it was data / morse. i think the voice was from an amateur sat
[23:13] <rjharrison> Single Side Band or FM :)
[23:13] <edmoore> ao-51 went over at 6.30
[23:13] <Futurity> 4 mins until import finished
[23:13] <rjharrison> cool
[23:13] <fsphil> I had a listen, may just possibly have heard morse
[23:14] <rjharrison> Futurity can you post a still of the iridium flare?
[23:14] <Futurity> so we want a short clip of the passing satellite and the burst
[23:14] <Futurity> will do shortly
[23:15] <rjharrison> GPS is so accurate. Made recovery very easy today
[23:15] <Futurity> iridium flare = passing sat?
[23:15] <rjharrison> We'll debate it when we see it
[23:15] <Futurity> oh i see
[23:15] <rjharrison> :)
[23:15] <Futurity> 2 mins until i can edit it
[23:15] <Futurity> not used to iMovie
[23:15] <rjharrison> Ed's got some recent exp.
[23:16] <Futurity> ed, do you always have to import movies into iMovie before you can edit them?
[23:17] <edmoore> i have done so far. but def not an expert on this
[23:17] <Futurity> it looks like i can crop the video
[23:18] <Futurity> if that's easy it'll make it much easier for everyone to see the balloon
[23:18] <junderwood> I wouldn't be surprised if you could repeat the flight next week. The amount of ash seems to be increasing
[23:18] <junderwood> http://www.metoffice.gov.uk/aviation/vaac/data/VAG_1271527299.png
[23:20] <fsphil> but is it thinning out?
[23:21] <Lunar_Lander> did you observe the balloon to slow down at approaching burst altitude?
[23:22] <Lunar_Lander> should be normally
[23:22] <junderwood> They don't seem to be interested in the density - just the fact that it's there
[23:22] <edmoore> natrium42: algorithm: http://pastebin.com/j4gzQHai
[23:22] <Lunar_Lander> *your balloons
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[23:25] <junderwood> edmoore, algorithm looks correct providing you wait until you have steady-state descent.
[23:25] <edmoore> it's entirely full of assumptions like that yep
[23:25] <edmoore> i'd filter the successive numbers it produces...
[23:26] <Futurity> just exporting the burst
[23:26] <natrium42> cool, i will add it a bit later
[23:26] <Futurity> about 1 minute
[23:26] <natrium42> thanks ed
[23:26] <edmoore> right bed time
[23:26] <edmoore> np
[23:26] <natrium42> nite
[23:26] <edmoore> well done rjharrison
[23:26] <Futurity> video uploading in a few seconds if anyonw wants to hang around
[23:26] <edmoore> got it back = success
[23:26] <junderwood> There's probably an ideal height to calculate the velocity over. Too large and the it's no longer linear. Too small and altitude errors dominate
[23:27] <edmoore> it wouldn't be too tricksy to plonk the nasa model into that algo and integrate it to find the 'average' density that you're using for the calculation
[23:27] <rjharrison> edmoore thanks
[23:28] <rjharrison> It will fly another day
[23:28] <edmoore> but... if I ever end up doing simulations of things falling through the atmosphere (as if...) then it can wait for then
[23:28] <edmoore> in a proffessional context, I mean ^
[23:28] <Futurity> ok only 12mb for the video
[23:28] <Futurity> uploading
[23:28] <rjharrison> I'll be here
[23:28] <rjharrison> I have to see this
[23:29] <rjharrison> esp. as I have no pics of my own
[23:30] <Futurity> hmm ftp not working
[23:30] <Futurity> let me fix it
[23:32] edmoore (~ed@pluto.trinhall.cam.ac.uk) left irc: Quit: edmoore
[23:32] <Futurity> cool upload progress bar working now
[23:32] <Futurity> 2m 35s and its up
[23:33] <Futurity> please no one else upload it to youtube
[23:33] <Futurity> 2m and counting
[23:34] <N900evil> it takes some time to peocvess
[23:34] <N900evil> process
[23:34] <Futurity> 30 seconds
[23:35] <natrium42> gogogo
[23:36] <rjharrison> lol
[23:36] <rjharrison> 10 9 8 7
[23:36] <rjharrison> 6
[23:36] <rjharrison> 5
[23:36] <rjharrison> 4
[23:36] <rjharrison> :)
[23:36] <Futurity> http://futurity.co.uk/videos/Icurus%20Burst.mov
[23:36] <rjharrison> Everyone ready to see two pixels become one pixel :)
[23:38] <rjharrison> Hey that is cool
[23:38] <rjharrison> Nice one Futurity
[23:38] <Futurity> lol
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[23:38] <Futurity> its amazing we get that detail
[23:38] <natrium42> Futurity, which camera did you use?
[23:39] <Futurity> at so far away
[23:39] <rjharrison> Can we get close up of that in the morning?
[23:39] <Futurity> Canon powershot SX1 IS
[23:39] <Futurity> cheap thing
[23:39] <rjharrison> at least 31 km and this is vertical more like 45 50 km
[23:39] <natrium42> very cool
[23:39] <Futurity> just doing passing UFO
[23:40] <natrium42> how far downrange was it when it burst?
[23:40] <rjharrison> Be cool to try to process a small section rather than the whole frame
[23:41] <rjharrison> See tracker :)
[23:41] <natrium42> did Futurity stay at launch location?
[23:41] <rjharrison> if you fame by frame you see how it split
[23:41] <rjharrison> Futurity was at launch
[23:41] <Futurity> yes stays at launch site until burst
[23:42] <Futurity> an hour or so
[23:42] <rjharrison> a2=b2+c2
[23:42] <natrium42> awesome :D
[23:42] <Lunar_Lander> good night
[23:42] <rjharrison> nights
[23:42] <rjharrison> Futurity very cool
[23:42] <natrium42> Futurity, you should do a webstream next time
[23:42] <rjharrison> You made the launch worth while
[23:42] <natrium42> if the camera has vide out
[23:42] <natrium42> *video
[23:43] <rjharrison> Futurity can you ping me an email to rharrison@hgf.com
[23:43] <rjharrison> Can you shove your contact details in there
[23:43] <rjharrison> Be cool for future launches
[23:45] <Futurity> details sent
[23:45] <Futurity> ufo video uploaded
[23:45] <rjharrison> Thanks
[23:45] <Futurity> i think my cropping is bad
[23:45] <Futurity> its much longer trainl than that on hd
[23:46] <rjharrison> where is it?
[23:46] <Futurity> same directory
[23:47] <Futurity> http://futurity.co.uk/videos/Icurus%20UFO.mov
[23:47] <Futurity> but its better than that
[23:47] <Futurity> doing the proper 1080p
[23:47] <rjharrison> hehe it is a ufo
[23:48] <Upu> Evening, good launch shame about the camera
[23:48] <Upu> nice video too :)
[23:48] <rjharrison> Upu real shame have a look at what Futurity has uploaded
[23:48] <Upu> Just did
[23:49] <Upu> and I watched it on the tracker till it burst
[23:49] <rjharrison> cool
[23:49] <rjharrison> Well next time you can come along :)
[23:49] <Upu> Good effort though, what happened with the camera ?
[23:49] <rjharrison> R u better fixed for sundays as a rule?
[23:49] <Upu> I will be there trust me, let me get this wedding out of the way :)
[23:49] RocketBoy|Away (~Steve@ left irc: Quit: Leaving
[23:50] <Upu> either or I sometimes work Sats but at the moment every weekend between now and start of June is booked :)
[23:50] <rjharrison> Basically its the backup camera and it still had a powersave setting enabled which caued it to shutdown after 5 mins
[23:50] <Upu> ach
[23:50] <Upu> nasty
[23:50] <Upu> never mind learning exercise
[23:51] <Upu> I need to make a break out board for this GPS chip I got, it uses a non standard pin spacing (yay)
[23:51] <Futurity> new ufp uploading
[23:51] <Futurity> ufp uploading i mean
[23:51] <Upu> keep trying :)
[23:55] <Futurity> ok just done a closeup of the burst
[23:55] <rjharrison> Cool
[23:56] <Futurity> uploading
[23:56] <Futurity> relative closeup
[23:56] <Futurity> not happy that imovie doesn't support 1080p
[23:56] <Futurity> it seems much shaper in original format
[23:57] <Futurity> http://futurity.co.uk/videos/Icurus%20Burst2.mov
[23:57] <Lunar_Lander> good night
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[23:58] <Upu> pretty good considering you were how far away ?
[23:59] <Futurity> well 31km up
[23:59] <Upu> exactly
[23:59] <Futurity> not sure how far downwind
[23:59] <Futurity> so actually further away that 31km
[23:59] <Upu> that camera got image stablisation ?
[00:00] --- Sun Apr 18 2010