highaltitude.log.20110805

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[00:45] <NigeyS> lalala
[00:45] <hibby> alalal
[00:46] <NigeyS> hey hibster
[00:46] <hibby> how do
[00:47] <NigeyS> still soldering away
[00:47] <hibby> sweet
[00:47] <Lunar_Lander> yay
[00:48] <NigeyS> hate the smell of flux
[00:48] <Lunar_Lander> yea
[00:48] <hibby> Amazing song though
[00:48] <hibby> (Bloc Party)
[00:50] <SpeedEvil> http://en.wikipedia.org/wiki/Berlin_Gold_Hat
[00:51] <hibby> what timee's it there, y'all? 2am ish?
[00:52] <NigeyS> 1:52am :/
[00:52] <NigeyS> and im soldering switches.. hmm
[00:52] <hibby> INTERVENTION
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[00:57] <SpeedEvil> Woo!
[00:57] Action: SpeedEvil has bread.
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[00:57] <SpeedEvil> Took rather longe rhan I expected to rise.
[00:57] <SpeedEvil> (see - it was on-topic)
[01:00] <NigeyS> oo .. grr.. ya made me hungry now lol
[01:01] <SpeedEvil> I can recommend the ebay seller of the sourdough I'm using
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[07:27] <fsphil> morning!
[07:27] <fsphil> yay friday
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[08:12] <edmoore> morning
[08:14] <M0JSN> morning edmoore
[08:14] <edmoore> mbp def dead
[08:14] <M0JSN> oh dear
[08:14] <M0JSN> what happened to it?
[08:14] <edmoore> still, new mba now justified
[08:15] <edmoore> it crash during lion installation repeatedly
[08:15] <edmoore> i think probably a new hdd would fix it
[08:15] <edmoore> but it's like putting a new stearing column in a £300 car
[08:15] <edmoore> not worth it
[08:15] <M0JSN> yeah
[08:15] <M0JSN> get a shiny new mba :D
[08:18] <M0JSN> you definitely getting one?
[08:24] <edmoore> 99%
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[08:24] <edmoore> there's an apple store in reading
[08:24] <edmoore> may dash there tomorrow morning
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[08:24] <edmoore> i had a tracendental ale experience last night
[08:24] <edmoore> the farm shop 200m down the road (on the farm) has its own microbrewery
[08:25] <edmoore> it was the nicest smoothest beer I've ever tasted
[08:25] <edmoore> that + mba + a good cheddar = saturday
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[08:33] <M0JSN> haha
[08:33] <M0JSN> nice
[08:33] <M0JSN> sounds like a good saturday
[08:36] <SamSilver> edmoore: you could round off the weekend with a sunday launch!!
[08:36] <edmoore> SamSilver: that and all
[08:36] <edmoore> i've not launched anything for ages
[08:37] <SamSilver> my budget says I should be launching 1st week in december
[08:37] <edmoore> i'm not sure when my next will be
[08:38] <edmoore> i've got nothing i want to launch right now
[08:38] <edmoore> it may well end up being the 650kg launch in Sweden :)
[08:38] <edmoore> but that's not until August
[08:38] <SamSilver> wtf is that you sending up?
[08:39] <edmoore> a mockup of a martian entry vehicle
[08:39] <edmoore> testing the parachutes
[08:39] <edmoore> it's going up on a huge zero pressure balloon at the Kiruna test range
[08:39] <edmoore> this is for my new job (which my hab hobby landed me)
[08:39] <SamSilver> sea landing?
[08:39] <edmoore> nope, snow
[08:40] <edmoore> the test range is huge
[08:40] <SamSilver> I thought sweden was a bit short of land , like japan
[08:40] <SamSilver> you live and you learn
[08:40] <SamSilver> now I know
[08:41] <fsphil> take plenty of pics edmoore :)
[08:41] <edmoore> it's up in the north
[08:41] <edmoore> with the russian and norwegian borders
[08:41] <edmoore> lots of forrest and not many people
[08:41] <SamSilver> my birthday is soon here is an idea for what to get me if you stumpped for ideas http://www.gizmag.com/elektra-one-electric-aircraft-lindbergh-prize/19412/?utm_source=Gizmag+Subscribers&utm_campaign=dfb2d19011-UA-2235360-4&utm_medium=email
[08:42] <edmoore> fsphil: god yes!
[08:42] <edmoore> i'll be photographing everything
[08:42] <edmoore> the entire building of this vehicle will be fun anyway
[08:42] <edmoore> might start a wee blog
[08:44] <fsphil> imagine there's a lot more involved in tracking that than just slapping on an ntx2
[08:45] <edmoore> you betcha :)
[08:45] <edmoore> but actually i think cnes are providing a telem unit
[08:45] <edmoore> we may put an ntx2 on anyway
[08:45] <edmoore> just to make it a hab
[08:45] <fsphil> marshab
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[08:47] <fsphil> if mars had a thicker atmosphere I'd say there would have been a few balloons flown there already
[08:47] <edmoore> i am going to make a hab pyro firing board based on what i've learned doing the one for this
[08:47] <edmoore> there's some sensible stuff in there
[08:47] <edmoore> in the requirements, i mean
[08:48] <edmoore> i think a storm hab probably could get a pyro accidently fired, forex, if one doesn't properly do static bleeding
[08:49] <edmoore> and i've sure there have been a couple of brownouts from pyros shorting in the past
[08:49] <fsphil> if there's shielding around the firing circuit, it might be fine
[08:50] <fsphil> actually I wonder if the balloon itself would become highly charged
[08:50] <fsphil> as it moved through the cloud
[08:51] <fsphil> balloons are pretty good at holding static electricity
[08:52] <edmoore> yeah
[08:52] <edmoore> nowhere to discharge
[08:52] <edmoore> except perhaps down a wet nylon string :)
[08:52] <fsphil> the balloon itself could trigger a discharge when it gets to a higher part of the cloud
[08:52] <fsphil> natural cut-down device :)
[08:53] <fsphil> ah yes, it's going to get damp
[08:53] <fsphil> then freeze
[08:53] <fsphil> this is going to be really hard
[08:53] <edmoore> yep
[08:54] <edmoore> all the more fun
[08:54] <fsphil> I'd like to launch a regular payload into a storm, just to see if it does fail early
[08:54] <edmoore> i have literally no idea how one is going to launch it
[08:54] <fsphil> it might sail through fine
[08:54] <edmoore> i can only thing you need to find a hangar in a valley corridor that is likely to channel storm cells above it
[08:54] <fsphil> yes
[08:54] <fsphil> does such a thing exist in the UK?
[08:55] <fsphil> it seems to be pretty random here
[08:58] <edmoore> not sure
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[08:58] <edmoore> storms are apparently only about 500m across
[08:58] <fsphil> hmm... http://www.metoffice.gov.uk/climate/uk/averages/19712000/dt/17.gif
[08:58] <edmoore> so you need to aimpretty accurately
[08:58] <fsphil> you'd need good land area to be able to drive ahead of it
[08:58] <fsphil> rules out a lot of places
[08:59] <edmoore> that graph just looks like a convolution of heat gradient (north/south) with inclement winds of the sea - east/west
[08:59] <edmoore> i have a place in mind in the 11-13 band
[08:59] <edmoore> a hangar in a valley in oxfordshire/berkshire
[09:00] <edmoore> raintoday.co.uk is very good too
[09:00] <edmoore> i wonder if there's an api to access that radar data
[09:01] <fsphil> that would be useful
[09:01] <fsphil> overlay it on spacenear.us
[09:02] <fsphil> also looks like a big cloud heading directly for me
[09:02] <edmoore> http://maps.google.co.uk/maps?q=aylesbury&um=1&ie=UTF-8&hq=&hnear=0x487657882dadcdbd:0xd81b10fa587ffbb3,Aylesbury,+Buckinghamshire&gl=uk&ei=drE7TtiaFMrLhAf6vLmpAg&sa=X&oi=geocode_result&ct=image&resnum=1&ved=0CDkQ8gEwAA
[09:03] <edmoore> the hills around high wycombe run parralel to the direction of the storms
[09:03] <edmoore> and the valley just north therefore could be a contender
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[09:03] <edmoore> we do see some pretty spectacular cumulonimbus form in the plains here
[09:03] <edmoore> looking like star destroyters
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[09:06] <edmoore> Randomskk: ping
[09:11] <fsphil> weather here is just dull :)
[09:12] <Darkside> http://marcansoft.com/transf/nandcat1.png
[09:12] <Darkside> hey all
[09:13] <SamSilver> Hey Darkside have you got that pic of the cross dipole handy? if so please post
[09:24] <SamSilver> got to dash
[09:24] <SamSilver> later
[09:24] <SamSilver> nick/ samsilver_
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[09:26] <NigelMoby> Morning
[09:30] <fsphil> just about :)
[09:30] <Darkside> sup
[09:34] <fsphil> think it's about time I started on my payload box
[09:35] <NigelMoby> Soldering till 4am = bad
[09:36] <edmoore> headache?
[09:36] <fsphil> only bad if you managed to make it worse
[09:38] <Darkside> i got wpken up at 5am when someone smashed the windows of the building next to my flat
[09:38] <Darkside> from the inside
[09:39] <fsphil> it wasn't *that* hot last night
[09:39] <Darkside> lol
[09:41] <NigelMoby> Ed, more like tiredness causes silly mistakes
[09:43] <NigelMoby> Darkside, looks like rain Saturday lol
[09:43] <NigelMoby> Picochu gonna get wet.
[09:44] <Darkside> whee
[09:44] <Darkside> waterproof it
[09:44] <Darkside> all good :P
[09:44] <edmoore> it's the fumes that get me
[09:44] <edmoore> summer evenings hacking necessarily stop with a dusk beer
[09:44] <edmoore> clears the mind
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[09:45] <NigelMoby> It'll be waterproofed.
[09:45] <NigelMoby> Ed, flux fumes are nasty
[09:46] <fsphil> you can usually tell how late I was coding something by the number of comments
[09:48] <fsphil> good sign you need to sleep is when you can't make sense of code you wrote five minutes ago
[09:49] <NigelMoby> Lol done that b4
[09:51] <fsphil> also never run fdisk after 1am
[09:52] <NigelMoby> Lol nooo
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[09:52] <NigelMoby> Hi Jon
[09:58] <number10> whats onboard picocho NigelMoby
[10:02] <Darkside> NigelMoby: can you add a crystal to picochu?
[10:02] <Darkside> i'm concerned about clock drift
[10:04] <NigelMoby> Umm.. should b able to Yup
[10:04] <NigelMoby> Number10, just gps , Ntx2, and temp sensor
[10:09] <fsphil> I wonder how small a payload I can make that does images
[10:09] <fsphil> have it float around the radio club place when I'm showing them the stuff
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[10:09] <fsphil> and the pictures coming up on the big screen
[10:10] <NigeyS> yey more temp sensors courtesy of maxim .. lol
[10:12] <fsphil> hehe, they're be expecting your first order for 1000 parts soon NigeyS :)
[10:12] <NigeyS> Darkside, how good's your soldering? theres barely any room for me to put a xtal andcaps on here and hoot the caps up to gnd :|
[10:12] <NigeyS> lol phil .. they make me laugh how they put 3 temp sensors in an a3 envelope :|
[10:12] <number10> got any pics Nigeys
[10:12] <NigeyS> sure..
[10:13] <fsphil> you could solder an xtal on dead-bug style
[10:13] <fsphil> wouldn't be very pretty
[10:14] <NigeyS> true, but my soldering sucks
[10:14] <NigeyS> id rather not risk the whole payload :/
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[10:14] <fsphil> you'd also need to set the fuses on the avr
[10:14] <NigeyS> number10, http://twitpic.com/4p1pe0
[10:14] <NigeyS> arduino ide does all that
[10:14] <edmoore> looks good NigeyS
[10:15] <fsphil> ooh nice
[10:15] <NigeyS> http://twitpic.com/5z03nd
[10:15] <NigeyS> the dirty side of picochu hehe
[10:15] <NigeyS> tnx eroomde :D
[10:15] <fsphil> that's good too
[10:15] <edmoore> Randomskk, jonsowman : OK, 100% getting one
[10:16] <NigeyS> fsphil, i think it sets the fuse when you do the bootloader burn as its set for a certain freq and chip type
[10:16] <fsphil> see, you can solder as good as anyone NigeyS :)
[10:16] <fsphil> via isp programming?
[10:16] <NigeyS> nah it jus looks good cause its silver on silver lol, i do find soldering on that pre-tinned stuff better than the standard copper stuff mind
[10:16] <M0JSN> edmoore: :D
[10:17] <NigeyS> yeah phil, arduino ide has a burn via usbtiny option which i found ever so helpful :D
[10:17] <M0JSN> edmoore: decided on spec?
[10:17] <edmoore> M0JSN: it just looks too lovely
[10:17] <M0JSN> hha
[10:17] <edmoore> might get the 128
[10:17] <edmoore> just incase it gets bootcamp
[10:17] <edmoore> which there is a good risk of
[10:17] <Randomskk> edmoore: haha excellent
[10:17] <edmoore> for CAD
[10:17] <Randomskk> what were you pinging for earlier?
[10:17] <edmoore> Randomskk: for you to talk me into it
[10:18] <edmoore> just ars technica did instead
[10:18] <Randomskk> haha right okay
[10:18] <Randomskk> nice
[10:18] <Randomskk> yea their review was pretty good
[10:18] <M0JSN> lol
[10:18] <Randomskk> I properly started playing with vagrant last night, it's so nice
[10:18] <NigeyS> http://twitpic.com/5x5p7r .. big balloons :| hope its not to windy, be a arse to handle them when its blowing a gale
[10:18] <Randomskk> got a thing setup so I can run couch 1.1 and rebuild whenever and it runs in a clean VM and I can do whatever I want
[10:19] <edmoore> Randomskk: airdrop looks really good
[10:19] <Randomskk> dear amazon, why would I want "bestselling" indie CDs :|
[10:19] <Randomskk> edmoore: I haven't tried it, but yes
[10:19] <edmoore> ideal for lab/cafe impromtu working
[10:20] <number10> NigeyS: how big are those balloons? about a foot across
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[10:21] <edmoore> it's always a pig when you're up a mountain (this will sound silly and superperfluous but exzactly what happened to me in march) trying to commit code on your laptop to someone else's laptop's git file which they can then squirt over serial into a truculent airship linux board
[10:21] <NigeyS> 36inches
[10:21] <edmoore> but airdrop would have been just the ticket
[10:21] <NigeyS> and we're using 4 of them
[10:21] <Randomskk> will airdrop help with git though?
[10:21] <edmoore> Randomskk: and yeah - vagrant seems really great doesn't it!
[10:21] <Randomskk> you can setup an adhoc wifi network fairly easily and get working tcp
[10:22] <edmoore> could be the ideal way to run local habitat
[10:22] <Randomskk> edmoore: yea, I also fired up some amazon EC2 instances
[10:22] <Randomskk> they're loads of fun
[10:22] <edmoore> Randomskk: but it turns out you can't, in this case
[10:22] <edmoore> our mix of laptops would not do ad hoc for love nor money
[10:22] <Randomskk> :|
[10:22] <edmoore> we ended up using the blimp as a wifi switch
[10:22] <edmoore> = abuse
[10:22] <Randomskk> airdrop wouldn't work either then, under the hood it just uses adhoc wifi
[10:23] <edmoore> well tits to it then
[10:23] <M0JSN> haha
[10:23] <number10> NigeyS: what happens if one bursts will it go to a lower altitude and drift for ages?
[10:23] <Randomskk> plus mac only :P
[10:24] <edmoore> yes i was hoping it might not be mac only
[10:24] <NigeyS> if 1 bursts it should still climb
[10:24] <NigeyS> it 2 burst, it'll start dropping
[10:24] <NigeyS> thats based on each balloon providing 55gms of lidt, payload is 88gms ..
[10:24] <NigeyS> lift*
[10:25] <Randomskk> I suspect a linux compatible one will come up
[10:25] <Randomskk> it's just wifi
[10:25] <Randomskk> and maybe AFP
[10:25] <edmoore> yeah
[10:25] <edmoore> one should be able to work out what is actually going on
[10:34] <fsphil> adhoc making a comeback? it used to be the handiest way of using wifi
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[10:35] <NigeyS> hm predictors playing up again :/
[10:36] <edmoore> she's not happy is she
[10:36] <Darkside> try using the projecthorus copy
[10:36] <Darkside> http://projecthorus.org/predict/
[10:36] <NigeyS> will do cheers Darkside
[10:36] <Randomskk> if that works and habhub doesn't, give me a shout
[10:36] <Randomskk> they should be the same...
[10:36] <Darkside> Randomskk: its a slightly older version i think
[10:37] <Randomskk> yea, but unless there's a regression recently that won't make a difference, I think it's just that NOAA are playing up
[10:37] <Randomskk> does projecthorus have the opendap caching monkeypatch?
[10:37] <Darkside> nfi
[10:37] <Darkside> ask juxta
[10:39] <NigeyS> seems to be running
[10:40] <NigeyS> http://projecthorus.org/predict/#!/uuid=7616b11d3641ae3b2981c078bb33457c0c599c53
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[10:54] <fsphil> oooh, a CME is due to reach the earth in a few hours. might be some aurora visible tonight
[11:00] <fsphil> assuming it isn't cloudy
[11:10] <Darkside> oooooh
[11:14] <edmoore> Randomskk: do you want a hand packaging a habitat vagrant?
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[11:44] <Darkside> fsphil: we've got stuff setup here now to watch for it :P
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[11:46] <fsphil> oooh whatcha got?
[11:46] <Darkside> just watching a few scintillation receivers
[11:47] <Darkside> and we've got a LF receiver going too, as LF should peak up when the CME hits
[11:47] <fsphil> http://www.bath.ac.uk/elec-eng/invert/iono/bath_scint.html ?
[11:48] <Darkside> yeah, that data too
[11:48] <fsphil> ooh forgot about LF
[11:48] <Darkside> i just set my SDR-IW to receiver between 0 and 100KHz
[11:48] <Darkside> we should see all the submarine transmitters appear at a higher power level
[11:49] <fsphil> I used a bt878 capture card for listening to 0-400khz
[11:49] <fsphil> was able to hear some lightning sounds
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[11:52] <fsphil> ooh and I've got my HF vertical now, must dig that out
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[12:04] <fsphil> aah JUNO launches today
[12:05] <Darkside> if the geomagnetic storms don't play havoc with stuff
[12:06] <fsphil> good point, it's launching at around the same time
[12:08] <edmoore> it has to use solar panels
[12:08] <edmoore> because of a lack of nuclear material atm
[12:09] <edmoore> but this is being cleverly spun as 'advances in solar technology let us use solar panels for this mission'
[12:09] <Darkside> lol
[12:09] <Darkside> wait, theres no RTG on board?
[12:09] <edmoore> given it's going right through the magnetosphere of jupiter at 160,000km/h, i would just attach a coil to the thing
[12:09] <Darkside> lol
[12:09] <edmoore> Darkside: correct
[12:10] <edmoore> ok. i have the money put asside for the 11" MBA
[12:10] <edmoore> it's show time
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[12:17] <edmoore> coverage starts at 2pm i beleive
[12:17] <edmoore> for the juno launch
[12:17] <Darkside> ok
[12:18] <edmoore> oh but actual launch not till 4
[12:18] <Laurenceb_> mba=macbookair?
[12:18] <edmoore> yup
[12:19] <Laurenceb_> fanboy :P
[12:19] <fsphil> the " being in the wrong place would just annoy me
[12:20] <edmoore> it annoyed me yesterday
[12:20] <fsphil> I have a macmini but found I used it in Linux more than osx
[12:20] <edmoore> i kept talking about the 11@ MBA
[12:20] <fsphil> the way the mouse moved didn't feel right
[12:21] <fsphil> the acceleration seems off
[12:21] <edmoore> yes there laptop sare what i like
[12:22] <fsphil> but other than that I quite liked it -- missed not having a package manager
[12:22] <edmoore> the touchpad is very good
[12:22] <edmoore> fsphil: the reason i am coming back is because package amangement has got a little better now
[12:22] <edmoore> with 'homebrew'
[12:22] <edmoore> and pythonbrew is cross platform
[12:22] <fsphil> cool
[12:22] <edmoore> also, dev inside a vm is the new black
[12:22] <fsphil> would that work on an old mac I wonder
[12:22] <edmoore> and vagrant makes that really nice to do
[12:23] <edmoore> yes, they both are backwards compatible
[12:23] <fsphil> might give it a spin
[12:23] <fsphil> the last time I tried compiling dl-fldigi on the mac I just ended up shouting abuse at it
[12:23] <edmoore> homebrew is quite new but really fab
[12:23] <edmoore> so not as complete as macports was but very rapidly catching up
[12:23] <edmoore> it's got the mindshare
[12:24] <edmoore> i just want a tiny and light but powerful enough for HD laptop, which will give me fullscreen terminals and decent package management. that also can be on the car dash for hab chases
[12:24] <edmoore> i think the 11" mba fits the bill ideally. i hope so anyway
[12:25] <edmoore> fsphil: http://mxcl.github.com/homebrew/
[12:26] <fsphil> just looking at that now
[12:26] <fsphil> there seems to be some tiger/powerpc support
[12:27] <edmoore> wowee old skool
[12:27] <fsphil> very lol
[12:27] <fsphil> it was the very last ppc mac I think
[12:28] <edmoore> lion has ditch ppc
[12:28] <edmoore> ditched*
[12:28] <Darkside> snow leopard did that
[12:28] <edmoore> oh, beg yo p
[12:28] <edmoore> pythonbrew: https://github.com/utahta/pythonbrew
[12:29] <edmoore> super useful in the 2/3 python switchover
[12:29] <fsphil> yea, I've only one upgrade over Tiger
[12:29] <fsphil> and I doubt the mac has enough memory to run it properly
[12:29] <edmoore> i guess i'll give this github for mac thing a whirl too
[12:29] <fsphil> could probably get Leopard pretty cheap now
[12:31] <edmoore> yeah
[12:33] <fsphil> someone left me in some OS9-era laptops, wondering if they could use them for anything
[12:39] <edmoore> hmm
[12:39] <edmoore> could they run a globaltuner?
[12:39] <edmoore> fsphil:
[12:42] <SpeedEvil> Useful as low power servers.
[12:42] <edmoore> yup
[12:42] <edmoore> antenna rotator controller
[12:42] <SpeedEvil> Especially if htey have USB2
[12:42] <SpeedEvil> Also internet camera, ...
[12:43] <fsphil> it had usb but I don't know if it was up to usb2
[12:44] <fsphil> I don't have them anymore, they took them back. The screen on one was a bit intermittent, probably a loose connection
[12:44] <fsphil> tried booting a linux cd, got as far as the kernel then complained about not having enough memory
[12:45] <SpeedEvil> ah
[12:45] <fsphil> I think the batteries where dead too
[12:45] <SpeedEvil> Oh - PPC
[12:45] <NigeyS> weeee... posted picochu info to the list
[12:45] <SpeedEvil> I forgot just how old that is
[12:45] <fsphil> yea they where ancient
[12:45] <edmoore> wow
[12:45] <fsphil> in good condition though
[12:46] <fsphil> very white
[12:52] <cuddykid> wow, solar panels are unbelievably better in sunlight
[12:53] <Darkside> hm i need to get on the ukhas list
[12:53] <Randomskk> cuddykid: I'm not sure about "unbelievably" :P
[12:53] <cuddykid> lol
[12:53] <edmoore> cuddykid: told you!
[12:53] <edmoore> like, 1000 times
[12:53] <fsphil> Darkside, well since you're in the UK we'll allow you on :)
[12:53] <Randomskk> the hint is definitely in the name
[12:53] <cuddykid> edmoore: yep :P
[12:53] <Darkside> joined
[12:53] <cuddykid> haha
[12:53] <Zuph> Morning Amigos
[12:53] <cuddykid> edmoore: decided I'm going to measure power output
[12:53] <edmoore> Randomskk: reading apple store is open till 8 this evening
[12:54] <Randomskk> haha nice
[12:54] <Darkside> edmoore: you're inr eading?
[12:54] <Darkside> in reading*
[12:54] <edmoore> i could cycle home at five and be on the road by 5.45
[12:54] <edmoore> Darkside: just south of oxford atm
[12:54] <Darkside> ooh
[12:54] <edmoore> but reading is the nearest apple store
[12:54] <Darkside> you should be able to track picochu tomorrow
[12:54] <edmoore> about 20 miles
[12:54] <cuddykid> looked at the graph from manufacturer and they indicate peak power output (on ground) is ~150ohms
[12:54] <Randomskk> oxford don't have an apple store?
[12:54] <Randomskk> and yet cambridge does?
[12:54] <Randomskk> rubbish
[12:54] <edmoore> Darkside: don't have my radio atm
[12:54] <Darkside> awwwww
[12:54] <Randomskk> well we know oxford is rubbish anyway but still :P
[12:54] <edmoore> that's all still in cambridge
[12:54] <Darkside> no SDRs lying around the place at oxford?
[12:55] <edmoore> if i have my MBA i will be too busy playing with it
[12:55] <Darkside> heh
[12:55] <edmoore> getting vim set up _just right_
[12:55] <Randomskk> isn't that just a case of
[12:55] <Randomskk> git clone git://github.com:adamgreig/dotvim.git
[12:55] <cuddykid> edmoore: you will not regret - they're fantastic - and unbelievably fast
[12:55] <Randomskk> mv dotvim .vim
[12:56] <Randomskk> ln -s .vim/vimrc .vimrc
[12:56] <Randomskk> done
[12:56] <edmoore> no
[12:56] <edmoore> because you smell
[12:56] <NigeyS> lol
[12:56] <Randomskk> well s/adamgreig/eroomde
[12:56] <Randomskk> obviously
[12:56] <edmoore> but actually pathogen made it sooper smooth to do last time
[12:56] <edmoore> so it'll still only be the work of merre moments
[12:56] <Randomskk> keeping your .vimrc on github is what /all/ the cool kids are doing
[12:56] <edmoore> this is true
[12:57] <edmoore> i'll put it up once this one is set up
[12:57] <Randomskk> and it makes setting up vim anywhere super quick and happy
[12:57] <Randomskk> good plan
[12:57] <edmoore> i wish there was an ssh key management system for multiple machines too
[12:57] <edmoore> maybe dropbox can sort me out
[12:57] <cuddykid> hmm.. twitter down
[12:58] <Randomskk> plus you'll need some time to install brew (Xcode takes hours), brew install all your stuff (compiling from source takes hours), pythonbrew (takes hours), vagrant (hours)
[12:58] <Randomskk> I guess sexy new cpu should make that less painful
[12:59] <edmoore> i hope so
[12:59] <edmoore> i'll try and see what i can get away without
[13:01] <edmoore> does homebrew have scipy/matplotlib/ipython etc Randomskk ?
[13:01] <Randomskk> I can't remember but personally I'd be installing pythonbrew and then pip install scipy
[13:01] <fsphil> ooh, Neil Armstrong's birthday today
[13:01] <Randomskk> otherwise who knows what brew will do and where it will put it - probably install it to system python which won't be what you want
[13:01] <edmoore> Randomskk: yes, probs better
[13:09] <Randomskk> edmoore: have you used chef?
[13:11] <edmoore> Randomskk: only with trivial vagrant guide
[13:11] <Randomskk> okay
[13:11] <edmoore> but always willing to get my head around it
[13:11] <Randomskk> I want to try and get habitat really-easily-deployable, both in VM and as other software, so that we can really try and do rapid deployment kinda things
[13:12] <Randomskk> and then work on getting new functionality in quick and fast
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[13:12] <Randomskk> had an interesting idea last night about it really
[13:12] <Randomskk> which basically means habitat is no longer a web interface frontend for dl-fldigi, but actually dl-fldigi uploads directly to couchdb
[13:13] <Randomskk> then have a lot of little programs which watch the couchdb changes stream and act on it
[13:13] <Randomskk> help concurrency a lot
[13:14] <Randomskk> a lot to play with at any rate
[13:14] <edmoore> yes
[13:14] <edmoore> agreed
[13:14] <Randomskk> shame I'm working full time really :P
[13:15] <edmoore> snap :)
[13:15] <edmoore> well, we could do a big push in the evenings next week
[13:15] <Randomskk> most of the current features were done in a night
[13:15] <edmoore> save for tues eve, i think i've not next week totally empty
[13:15] <Randomskk> the parser was a night's work, the archive another, but then it's all the in between time that takes ages
[13:16] <Randomskk> not sure how much sense it makes to throw out a fairly good chucnk of current backend code thougha
[13:16] <edmoore> so we could first get an automatic setup into a vanilla linux
[13:16] <edmoore> say with vagrant
[13:16] <edmoore> then have a sprint or two
[13:16] <Randomskk> would also be good to get frontend work really started so we have something to show for it, but possibly in the meantime get it at least running the main backend and forwarding to spacenear.us
[13:16] <edmoore> that would get me up to speed with it anyway
[13:16] <Randomskk> I think it needs a chef recipie and then we can use that in vagrant or in EC2 or anywhere
[13:17] <edmoore> i'm ok with python, useless with JS. Don't mind learning but I'd probably be more useful on backend stuff
[13:17] <Randomskk> so anyone can fire up an instance whereever
[13:17] <edmoore> yep, sounds good
[13:17] <Randomskk> you should try coffescript, it's basically python but also javascript
[13:17] <Randomskk> very fun
[13:17] <edmoore> sounds like my cuppa tea
[13:17] <Randomskk> significant whitespace, python-esque nicities, compiles to js
[13:17] <edmoore> no wait
[13:18] <edmoore> so it's a complete language - it doesn't just speedup a subset of js tasks?
[13:18] <Randomskk> yes
[13:19] <edmoore> nice
[13:19] <Randomskk> and the compiler is in JS,
[13:19] <Randomskk> well
[13:19] <edmoore> ok i'm in
[13:19] <Randomskk> the compiler is in coffeescript
[13:19] <Randomskk> it's self-hosted
[13:19] <edmoore> ic
[13:19] <Randomskk> but anyway it can run in a browser
[13:19] <Randomskk> so you can distribute coffescript to a browser
[13:19] <edmoore> cool, let's do this
[13:19] <Randomskk> or you can compile it server-side
[13:19] <Randomskk> either per-request, or as a make stage
[13:19] <Randomskk> e.g. on deployment
[13:19] <edmoore> a f**k me
[13:20] <Randomskk> and in the same way that C can often be faster than handwritten asm, the output js is often much nicer
[13:20] <edmoore> list comprehensions
[13:20] <Randomskk> yea!
[13:20] <Randomskk> it does everything so nice
[13:20] <edmoore> oooh
[13:20] <edmoore> i think i like this
[13:20] <edmoore> ok, i'm keen
[13:20] <Randomskk> I 've only used it in anger recently, project at work, and don't plan on writing any js again
[13:20] <edmoore> lets have some evening sprints
[13:20] <Randomskk> also - it works with any existing JS libraries
[13:20] <Randomskk> like jquery
[13:20] <Randomskk> without doing anything, it Just Works
[13:21] <edmoore> i can't do teusday night as i have a prom, i think all other nights are good
[13:21] <Randomskk> okay
[13:21] <Randomskk> this sounds good
[13:22] <Randomskk> at some point someone's gonna have to work on dl-fldigi so it can push to a couchdb, I've looked into libraries and stuff so could do that at some point
[13:22] <edmoore> coffee looks excellent for doing browser apps
[13:22] <edmoore> ideas buzzing
[13:22] <Randomskk> yea it really is
[13:22] <edmoore> right, need the loo
[13:22] <edmoore> excited
[13:24] <fsphil> tmi
[13:25] <fsphil> couchdb is a nice idea
[13:26] <Randomskk> habitat currently uses couchdb anyway, but
[13:26] <Randomskk> right now habitat presents an http interface just like the listener
[13:26] <Randomskk> so dlfldigi just pushes to that
[13:26] <Randomskk> then habitat writes to couchdb
[13:26] <Randomskk> but instead there's no real reason not to have dl-fldigi write directly to couchdb
[13:27] <fsphil> see that
[13:27] <Randomskk> and then habitat can just read from couchdb, see a new telem string, parse and write it. it would seriously reduce load and redundant parsing, it would massively increase concurrency
[13:27] <Randomskk> and it would make replication a shitton easier
[13:27] <fsphil> security issues? could they write any old nonsense to the couchdb?
[13:27] <Randomskk> well yes and no
[13:27] <Randomskk> anyone can already write any old nonsese that looks like valid telemetry to the tracker
[13:28] <Randomskk> but couchdb offers document validation functions, code that runs when a new doc is inserted which can reject it
[13:28] <fsphil> aah perfect
[13:28] <Randomskk> so dl-fldigi would only be allowed to upload things that looked legit
[13:28] <Randomskk> or any tighter control we wanted
[13:28] <Randomskk> it's a seriously neat way of doing it
[13:28] <Randomskk> but the really big advantage is that
[13:28] <Randomskk> couchdb does replication almost magically
[13:28] <Randomskk> so your local laptop runs couchdb
[13:28] <Randomskk> dl-fldigi pushes to that
[13:29] <Randomskk> all the telem you receive is safely stored, even without internet
[13:29] <fsphil> yea
[13:29] <Randomskk> then when you do have internet, your local database replicates up to the habitat cloud
[13:29] <Randomskk> you may have been parsing data locally, in which case even better, but if not it'l get parsed at that point
[13:29] <fsphil> any local program like an antenna tracker could use the local copy
[13:29] <Randomskk> exactly
[13:29] <fsphil> like this
[13:29] <Randomskk> and couchdb runs on iOS and Android too
[13:32] <DanielRichman> Randomskk: the rework to make dl-fldigi push to couchdb would be large enough to warrant Just Embedding Python in the damn thing, no?
[13:32] <Randomskk> well
[13:32] <DanielRichman> also if dl-fldigi has embedded python you could have it locally parse using the same code as the dl-server
[13:32] <Randomskk> I don't think so
[13:32] <Randomskk> yajl + libcurl would do JSON and HTTP posting it
[13:32] <Randomskk> pretty easy
[13:32] <Randomskk> however dl-fldigi having embedded python is tempting
[13:32] <DanielRichman> Okay
[13:32] <DanielRichman> hah
[13:32] <Randomskk> however - speak to edmoore
[13:32] <Randomskk> he has Plans that involve python and fsk decoding
[13:33] <Randomskk> I dunno how much work embedding pyhton in dlfldigi would be
[13:33] <DanielRichman> I recall whispers of some badass fsk decoder that would blow dl-fldigi away
[13:33] <Randomskk> I think doing just couchdb writing would not be hard
[13:34] <Randomskk> but it would definitely be very neat to have dl-fldigi do the parsing too
[13:34] <edmoore> back
[13:34] <edmoore> yes it will blow fldigi away
[13:34] <edmoore> assuming it works
[13:34] <Randomskk> otoh the parser can be a python program that users just run, it connects to local couchdb and does parsing as required
[13:34] <Randomskk> doesn't really need to be part of dl-fldigi
[13:34] <edmoore> in the great tradition of research projects
[13:34] <Randomskk> py2exe would make it just work
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[13:34] <DanielRichman> if you sandbox it well enough (embedded python must have some sort of no-io-mode, right?) then you could just have it git fetch habitat on startup to grab new parsers :P
[13:35] <DanielRichman> true
[13:35] <edmoore> not so mobile friendly though
[13:35] <DanielRichman> that's for those who run a local couchdb / chase cars only though
[13:35] <SpeedEvil> Clearly the right way is xml strings, and xslt
[13:36] <Randomskk> no D:
[13:36] <edmoore> if the tracker is to do in flight landing prediction, we'll have to figure out a way of getting predictor integration too
[13:36] <Randomskk> xml is the devil
[13:36] <Randomskk> edmoore: predictor can just do couchdb too
[13:36] <edmoore> might be an excuse to make the predictor a python module
[13:36] <Randomskk> brief chat about that on habhub
[13:36] <Randomskk> have the predictor web UI write a 'request' to couch
[13:36] <Randomskk> the predictor backend code is watching the couch changes stream
[13:36] <Randomskk> sees a new req
[13:36] <Randomskk> starts processing it, writing progress to couch
[13:36] <Randomskk> frontend sees progress updates on couch
[13:37] <Randomskk> then sees it's done and loads the prediction path out of couch
[13:37] <edmoore> nice
[13:37] <Randomskk> the /only/ thing that needs to be exposed to the internet from the server is couchdb and a web server seerving static JS and HTML
[13:37] <Randomskk> i.e. no backend http code
[13:37] <DanielRichman> and cause the interface is by couch, the tracker just writes prediction requests periodically during a flight, and somehow tells users the ids
[13:37] <edmoore> would be good, *potentially*, if central couch had the gribs
[13:37] <Randomskk> and each thing talking to couch can be a separate program - the parser, the predictor, etc
[13:37] <DanielRichman> and that's your tracker/predictior integration done
[13:37] <Randomskk> not sure if couch is a graet place to store the wind data
[13:37] <Randomskk> great*
[13:38] <Randomskk> rewriting the predictor in numpy would be good
[13:38] <Randomskk> :P
[13:38] <edmoore> i'm thinking in terms of dynamic prediction for chase cars
[13:38] <edmoore> without net access
[13:38] <Randomskk> ah right
[13:38] <Randomskk> then maybe, yea
[13:38] <Randomskk> certainly be good to have the data available
[13:38] <edmoore> a solution for that scenario would be good anyway
[13:38] <DanielRichman> mmm OpenNDAP besides the ascii header crud returns data as just a large lump of binary/an array. It's not too json friendly imo
[13:38] <Randomskk> I think it'd clog up couch for replication though
[13:38] <edmoore> not necessarily sure what it should be
[13:38] <Randomskk> but like
[13:38] <edmoore> i'm keen for a pred re-write in numpy
[13:38] <DanielRichman> the current binary -> csv -> binary step seems wasteful
[13:38] <Randomskk> the 'predictor' module talks to couchdb, but also has a filestore where it keeps data
[13:39] <Randomskk> and then the user can click a button to pre-load data
[13:39] <edmoore> that sounds like a plan
[13:39] <Randomskk> DanielRichman: yea - with a python predictor it could use pyopendap directly
[13:39] <Randomskk> we'd need to implement our own pyopendap caching for offline work though
[13:39] <Randomskk> still it'd be a ton neater
[13:39] <edmoore> no biggie?
[13:40] <DanielRichman> if the predictor and opendap client are in the same program then you only need to download the small amount of data you actually need. You could keep the bulk download button for chasing of course
[13:40] <Randomskk> don't think so
[13:40] <edmoore> sqlite or something >:o)
[13:40] <Randomskk> DanielRichman: exactly
[13:40] <Randomskk> so pyopendap can just request data as it needs it
[13:40] <Randomskk> quick and nice
[13:40] <DanielRichman> Randomskk: does pyopendap unpack the array/struct?
[13:40] <Randomskk> but also has a pre-download button
[13:40] <Darkside> aww the bot is dead
[13:40] <Randomskk> DanielRichman: not sure
[13:40] <Darkside> griffonbot: you suck
[13:40] <Randomskk> Darkside: did you send an email?
[13:40] <griffonbot> I don't suck
[13:41] <Randomskk> because the list is moderated
[13:41] <Darkside> yes
[13:41] <Darkside> awwwwwwww
[13:41] <Darkside> seriously
[13:41] <Randomskk> and if you've not posted before
[13:41] <Randomskk> then it will need moderation
[13:41] <Randomskk> anyway I just approved your message
[13:41] <Darkside> well moderate me! :D
[13:41] <griffonbot> Yes, seriously.
[13:41] <Darkside> AWESOMe
[13:41] <Darkside> i figured it was the correct response
[13:42] <edmoore> A completely offline (but still in browser) habitat would be useful too
[13:42] <Randomskk> yea
[13:42] <Randomskk> easily done with this
[13:42] <Randomskk> couchdb run locally
[13:42] <edmoore> so with a selectable map tile backend - google or ours
[13:42] <Randomskk> just need something to serve the html and javascript
[13:42] <Randomskk> and couchdb can actually do that
[13:43] <Randomskk> it's a web server too
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[13:43] <edmoore> ah great
[13:43] <Randomskk> but not sure it's a very high performance one, I'd probably not have the main website serving html through couch
[13:43] <Randomskk> fine for one user though
[13:43] <Randomskk> be very neat. nothing but couch
[13:43] <edmoore> there is no _proper_ way to check to see if there's an internet connection is there?
[13:43] <Randomskk> it then keeps the html and javascript in couchdb itself
[13:43] <Randomskk> so you just replicate and you're up
[13:43] <edmoore> you just have to get your app to phone home and see if it gets through
[13:43] <DanielRichman> griffonbot: why you no IMAP?
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[13:44] Action: griffonbot is GriffonBot [http://github.com/ssb/griffonbot]
[13:44] Action: griffonbot is following: #ukhas #cusf #atlasballoon
[13:44] Action: griffonbot is tracking emails sent to ukhas@googlegroups.com
[13:44] <griffonbot> Received email: Mark Jessop "Re: [UKHAS] Launch Notification - Saturday 6th August : PICOCHU-1"
[13:44] <griffonbot> Received email: Upuaut "Re: [UKHAS] Launch Notification - Saturday 6th August : PICOCHU-1"
[13:45] <griffonbot> Received email: Nigel Smart "[UKHAS] Launch Notification - Saturday 6th August : PICOCHU-1"
[13:45] <edmoore> what's the name of that prog that can download gmaps or gearth data? it has a funny name like minim or solo or something
[13:45] <DanielRichman> what about OSM?
[13:45] <rjharrison> edmoore, did you go to apple store yesterday
[13:45] <edmoore> its usually crappest where balloons land
[13:45] <edmoore> and aerial imagery is useful
[13:45] <griffonbot> Received email: Peter Cameron-Burnett "Re: [UKHAS] Launch Notification - Saturday 6th August : PICOCHU-1"
[13:45] <DanielRichman> what is it with you guys and apple stores...
[13:46] <edmoore> so you can see how close you are to a treeline, say
[13:46] <edmoore> rjharrison: this evening
[13:46] <rjharrison> Is there a purchase in the offing
[13:46] <edmoore> cycling home at 4
[13:46] <edmoore> shower, drive to reading
[13:46] <edmoore> where there be such a store
[13:46] <rjharrison> Ho where are you
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[13:47] <rjharrison> twypord, reading is home for me
[13:47] <edmoore> DanielRichman: you mean the temple of dreams? oh, nothing much
[13:47] <edmoore> twyford?
[13:47] <rjharrison> A'levels @ henley college
[13:47] <DanielRichman> You know how rather than pieces of paper with information about the products they now have iPads next to all of their products with information
[13:47] <DanielRichman> like, even for the iPads. They have iPads next to iPads
[13:47] <edmoore> yes
[13:47] <DanielRichman> with information about iPads
[13:47] <DanielRichman> :S
[13:48] <rjharrison> edmoore, Twyford nr Reading
[13:48] <edmoore> because they just work
[13:48] <edmoore> boom
[13:48] <edmoore> don't you get it DanielRichman
[13:48] <DanielRichman> :P
[13:49] <Randomskk> joooin uuus >_>
[13:49] <edmoore> and i want my bitmap fonts on high pixerl pitch screens
[13:49] <rjharrison> edmoore, are you going 11" on the MBA
[13:49] <edmoore> yes
[13:51] <NigeyS> gr when a soldering iron meets your finger it hurts :|
[13:51] <rjharrison> marginally better than when solder meets your fingers
[13:52] <NigeyS> thankfully ive not had that yet!
[13:53] <edmoore> i have a nice scar on my elbow from where i tripped into a workbench
[13:53] <NigeyS> eek, stitches?
[13:53] <SpeedEvil> Do not solder while not wearing trousers.
[13:53] <SpeedEvil> This is all I'm gonna say.
[13:53] <NigeyS> lol SpeedEvil !!
[13:57] <edmoore> NigeyS: thanklfully not
[13:57] <edmoore> just a nasty burn
[13:57] <edmoore> and funny smell
[13:57] <NigeyS> eww lol
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[14:01] <Darkside> ooh, another launch tomorrow
[14:02] <NigeyS> just saw that, wonder what freq theyre on
[14:03] <rjharrison> Oh which launch is that
[14:03] <Randomskk> some charity working with cusf
[14:03] <Randomskk> well using our launch stuff anyway
[14:03] <Randomskk> kid's thing
[14:03] <rjharrison> Cool freq
[14:03] <rjharrison> ?
[14:03] <Randomskk> unsure
[14:03] <rjharrison> I guess one of the two 650 /-75
[14:03] <rjharrison> 0
[14:04] <Randomskk> probably
[14:06] <cuddykid> hmm, had an idea to get rid of my helium& going to a car boot sale on sun - wonder if I can flog some balloons there?
[14:08] <SpeedEvil> How much He?
[14:08] <cuddykid> I think I've got about 1m3 left - so roughly 100 or so 10"
[14:10] <NigeyS> Darkside, looks like the launch site is approx 325 - 380ft elevation
[14:10] <Darkside> cool
[14:11] <NigeyS> lots of cows :|
[14:11] <Darkside> bah
[14:11] <Darkside> if we hit a cow it'll be hillarious
[14:11] <NigeyS> no dude, cows not sheep :p
[14:11] <NigeyS> lol
[14:11] <Darkside> hitting a cow is unlikely to damage the payload
[14:11] <NigeyS> true, that wind farm is further away than i thought
[14:19] <Darkside> cool
[14:23] <NigeyS> shame we cant get to Mynydd y Glyn thats a gd 1100ft !
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[14:30] <hibby> NigeyS: normal people can't even pronounce that
[14:31] <hibby> never mind launch
[14:31] <hibby> could always try a launch atop ben nevis
[14:33] <NigeyS> hah welsh is slightly..abnormal :p
[14:33] <NigeyS> might be a bit on the windy side up nevis though :/
[14:34] <hibby> tether line then
[14:34] <NigeyS> snowdon would probably be doable
[14:34] <edmoore> tehtering balloons is horrible
[14:34] <NigeyS> get the train up ...
[14:35] <hibby> hehh
[14:35] <hibby> tbh, for 4000ft, I can live without all that effort
[14:35] <edmoore> in the space of 4 days in 2009, i blew about £1000 on 3 x 3 kg balloons, each with the cylinders of helium inside, in a misguided attempt to make a balloon tethered rig to drop-test some stuff
[14:35] <rjharrison> anyone know the spacenear us login
[14:35] <rjharrison> PM me if you do
[14:37] <edmoore> the balloon was dragging 2 x 50kg deadweights along the field like they were nothing
[14:37] <NigeyS> :o blimey
[14:38] <edmoore> as i say - don't underestimate them
[14:38] <edmoore> they're not stable, vortices shed off, and the bounce up and down
[14:38] <edmoore> it did a lot of damage to our drop test vehicle
[14:38] <edmoore> which was hanging off
[14:39] <edmoore> in the end we hired a helicopter
[14:39] <edmoore> much easier
[14:40] <Zuph> hah
[14:41] <NigeyS> http://www.nigey.co.uk/images/Picochu-Launch-Site.jpg
[14:41] <NigeyS> a bus stop!
[14:41] <Darkside> lol
[14:41] <NigeyS> just out of view is about 20 cows and goats :|
[14:42] <Darkside> lol
[14:43] <NigeyS> nice view mind
[14:43] <Darkside> yes, i know welsh people like cattle
[14:43] <Darkside> >_>
[14:43] <Darkside> i was told to say that by my fellow researchers
[14:43] <NigeyS> haha ive never "touched" a sheep in my life
[14:43] <Darkside> i asked for advice on what to do in wales
[14:43] <Darkside> the response was "avoid welsh people"
[14:44] <NigeyS> lmao
[14:44] <NigeyS> if noone hears from darkside tomorrow it's ok we've just left him on the hearest mountain :p
[14:44] <NigeyS> nearest*
[14:44] <Darkside> :<
[14:45] <NigeyS> hehe
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[14:53] <edmoore> NigeyS: found some of our tether test pics
[14:53] <edmoore> http://i.imgur.com/zBeUO.jpg
[14:53] <edmoore> http://i.imgur.com/AGaS2.jpg
[14:53] <edmoore> in that second picture, at one point the line cut through my glove
[14:53] <Darkside> wow
[14:54] <edmoore> that's how much of a yank it had
[14:54] <Darkside> i've done a tethered balloon, but only to about 30m
[14:54] <edmoore> and those were not strong winds
[14:54] <edmoore> we had 250m of line
[14:54] <edmoore> but it never got above 45 degrees
[14:54] <Darkside> when we pulled it down, we used a makeshift pulley system using a texta
[14:54] <Darkside> i.e. the texta was the 'pulley'
[14:54] <Darkside> the line almost cut through the texta
[14:55] <edmoore> scary right
[14:55] <edmoore> helicopters are much easier
[14:55] <edmoore> usually work out cheaper too
[14:55] <edmoore> for our scale anyway
[14:55] <Darkside> lol
[14:56] <Darkside> well this was a test of a mesh networkint thing
[14:56] <Darkside> where we wanted to blanket an area with coverage
[14:56] <edmoore> our payload was 12kg
[14:56] <Darkside> oh jeez
[14:56] <Darkside> ours was a HTC Dream :P
[14:56] <edmoore> lol
[14:56] <edmoore> ours was a FKNG Nightmare
[14:56] <Darkside> lol
[14:57] <Darkside> well, we tried using 3 tethers
[14:57] <Darkside> baaaaaaad idea
[14:57] <edmoore> yep doesn't work at all
[14:57] <edmoore> we had 2
[14:57] <Darkside> lots of tangles on 'launch'
[14:57] <Darkside> and yeah, it ended up only using 2
[14:57] <Darkside> the reason we did it was to assure the university we had redundancy
[14:57] <Darkside> heres a really CRAP video by the guy we launched it for: http://www.youtube.com/watch?v=Wwsy9MThwns
[14:58] <Darkside> with no credits to us at all
[14:58] <Darkside> because he is an asshole
[14:58] <Darkside> thankfully al the video of the tangles was cut out :P
[14:59] <Darkside> "i nearly cut your pen in half"
[14:59] <Darkside> haha
[15:00] <edmoore> Darkside, NigeyS http://www.youtube.com/watch?v=TOfwDgcKpMY
[15:00] <edmoore> heli test
[15:00] <Darkside> wowq
[15:01] <edmoore> this was before we attached it to a 3kg balloon and took it to 28km
[15:01] <Darkside> haha
[15:01] <edmoore> with a 25s freefall to transonic
[15:01] <Darkside> what the hell did you launch?
[15:01] <edmoore> it was more testing parachutes for a mars lander
[15:01] <edmoore> in a transonic but lower dynamic pressure environment - like mars
[15:01] <Darkside> ooh
[15:01] <edmoore> or earth up high
[15:02] <Darkside> nice
[15:02] <edmoore> we had a complete reserve parachute sysem
[15:02] <edmoore> dual redundant batteries, flight computers, pyros
[15:03] <edmoore> still didn't sleep before launch
[15:03] <Darkside> hehe
[15:03] <edmoore> if there was a total failure and ballistic re-entry, it would have hit the deck at about 600mph
[15:03] <Darkside> oooooooooh
[15:03] <Darkside> nice
[15:03] <Darkside> that would have left a nice mark
[15:04] <edmoore> just a bit
[15:04] <edmoore> that was what we built the badger 2 and badger cub flight computers for
[15:04] <edmoore> and lots of cnc'd aero ali. the chute opening force was about 6kN
[15:04] <edmoore> it was A Project
[15:05] <edmoore> 100G deceleration too
[15:11] <Darkside> wow
[15:11] <Darkside> verynice
[15:15] <edmoore> it nearly killed us tho
[15:15] <edmoore> a baptism of fire from a proj man PoV
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[15:49] <cuddykid> getting about 35mA @ 8v in sun out of these solar panels
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[15:55] <fsphil> that's pretty good
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[15:58] <cuddykid> yep! got 2 of them so should be able to churn out quite a bit of power
[15:58] <cuddykid> above is with 150ohm load
[16:00] <fsphil> I have a single cell running an avr + ntx2, not enough juice to run the gps too
[16:00] <fsphil> two would manage it
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[16:18] <s-taylo> http://www.ustream.tv/nasahdtv <- Atlas V launch in 7 min
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[16:21] <GW8RAK> http://www.nasa.gov/multimedia/nasatv/index.html T-4 minutes
[16:21] <GW8RAK> I see someone's beaten me to it.
[16:22] <cuddykid> awesome
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[16:24] <LazyLeopard> GW8RAK: What's the launch?
[16:25] <GW8RAK> Juno probe
[16:25] <cuddykid> incredible technology
[16:26] <GW8RAK> Seen many launches, but they are always impressive.
[16:26] <GW8RAK> Particularly the acceleration off the pad. The Saturn V's seemed to take forever to clear the tower
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[16:27] <GW8RAK> I hope they put their GPS into flight mode
[16:27] <cuddykid> lol
[16:28] <GW8RAK> 6893mph!
[16:29] <cuddykid> it's mind boggling!
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[16:36] <nickolai> hey all
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[16:37] <nickolai> i'm planning to launch tomorrow and I completely forgot to order an antenna for my ntx2 on the flight computer. Does anyone have any recommendations for something I can use as an antenna?
[16:38] <cuddykid> nickolai: good luck with launch, and yes, just create a 1/4 wave ground plane antenna out of wire :)
[16:38] <cuddykid> I think most people do that
[16:38] <cuddykid> hmm.. some help needed.. again! - is there a way to step down the pd across the resistor (I'm using it to measure current) without affecting current?
[16:38] <nickolai> isee, what is a 1/4 wave ground plane antenna? :P
[16:39] <nickolai> i wish i could help you on that one cuddykid, i'm better with programming questions tho../.
[16:39] <cuddykid> nickolai: have a look here - http://blog.jgc.org/2011/01/gaga-1-getting-close-to-completion.html
[16:39] <cuddykid> no probs nickolai!
[16:40] <nickolai> thanks cuddykid, i got a question about your payload, what;s with the aluminum foil on the inside?
[16:41] <cuddykid> nickolai: np, that's not my payload sorry, but guessing it is insulation :)
[16:41] <nickolai> ah
[16:41] <cuddykid> (space blanket)
[16:41] <cuddykid> afk
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[16:43] <hibby> cuddykid: will talk to you in a bit about stepping down voltages etc
[16:44] <hibby> depending on resistance, a current in a circuit will be constant, and the voltage across a load is related to the ratio of the resistors in series
[16:44] <nickolai> so this is probably a stupid question, but how do you connect the antenna to the ntx2? Just run a wire from the point where all 5 antenna parts meet to the ntx2's rfout?
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[16:46] <hibby> so you could stick some resistors in series to control your vdrop over one component
[16:46] <DanielRichman> number10: only one of the 4 antenna elements are connecetd to the ntx2 rfout. The other 4 are connected to GND
[16:46] <DanielRichman> um
[16:46] <DanielRichman> nickolai:
[16:46] <DanielRichman> (sorry number10)
[16:47] <number10> thats ok
[16:47] <number10> do you use 4 to ground rather than 2
[16:48] <nickolai> which one does the vertical go to? is that the rfout? and then the radials go to rfgnd?
[16:49] <hibby> aye
[16:50] <nickolai> thanks!
[16:51] <DanielRichman> http://i.imgur.com/jVlGR.jpg <-- yes
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[16:56] <hibby> http://marcansoft.com/transf/nandcat1.png :) NANDcat
[16:57] <jonsowman> haha ^
[16:57] <nickolai> nice DanielRichman!
[16:58] <number10> Hi DanielRichman: have not seen all of thread but I see you have tranciever on your board - are you using it for uplink, and does it work the same as the NTX2 for downlink?
[17:00] <jonsowman> number10: Apex II used a NiM2 transceiver for uplink, there's technical details here http://www.apexhab.org/wp-content/uploads/2011/01/apextech.pdf
[17:01] <jonsowman> number10: page 6
[17:01] <number10> thanks jonsowman - I am interested to learn what people are doing :)
[17:01] <jonsowman> it's a variant of OOK
[17:01] <jonsowman> 37.5 baud
[17:02] <jonsowman> includes a squelch
[17:02] <jonsowman> of sorts
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[17:04] <Laurenceb_> yo
[17:04] <Laurenceb_> anyone know of a command line thesaurus for *nix ?
[17:05] <Laurenceb_> thesaurus <word> and it gives a bunch of stuff... how cool would that be?
[17:05] <Laurenceb_> maybe its just me then :P
[17:05] <Darkside> NigeyS: do you have a hacksaw?
[17:06] <Laurenceb_> no, i think his saw is approved for ios
[17:06] <Darkside> >_>
[17:06] <Darkside> i got a long antenna at maplins, now i need to cut it down
[17:06] <Laurenceb_> ill shut up now :P
[17:07] <Darkside> y'see, sometimes being too long cn cause problems
[17:07] <Laurenceb_> thats what she said
[17:08] <SpeedEvil> Before she cut it down.
[17:08] <Darkside> :<
[17:08] <Laurenceb_> looool
[17:08] <nickolai> lol
[17:09] Action: Laurenceb_ worked out why reaction engines have the complex helium loop
[17:09] <Laurenceb_> they boost the carnot efficiency for the brayton cycle if the hot side is a few hundered degrees, not ~-50C
[17:10] <Laurenceb_> so they can do a lot more work, and dont have to use excess hydrogen for cooling
[17:10] <Darkside> if you say so
[17:10] <hibby> Laurenceb_: cool
[17:11] <Laurenceb_> http://www.reactionengines.co.uk/images/sabre/sabre_cycle.jpg
[17:11] <Laurenceb_> ^answering the question of why the hell its so complex
[17:12] <hibby> hrhr
[17:12] <hibby> **heheh
[17:13] <NigeyS> Darkside, hacksaw? think so ill go check
[17:13] <hibby> have to say, I'm more of a turbine fan than a a rocket fan. I got tired of supersonic flow maths
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[17:13] <Laurenceb_> -200C to +300C is way more efficient than -50 to -200C
[17:15] <SpeedEvil> Sabre seems premature.
[17:15] <SpeedEvil> Look at SpaceX - and the cost reductions they can do with conventional engines.
[17:15] <SpeedEvil> Fuel is not expensive.
[17:15] <SpeedEvil> Maybe when we're another order of magnitude closer to fuel cost than we are.
[17:16] <SpeedEvil> H2 also sucks as it's got lousy density, doing nasty things to your drag.
[17:16] <SpeedEvil> In some ways I'd be more interested in the electric rocket schemes tha Sabre.
[17:16] <Laurenceb_> yeah
[17:16] <Laurenceb_> id like to know for sure how the deicing works
[17:16] <SpeedEvil> Microwave absorber on bottom of craft, H2 in craft.
[17:17] <Laurenceb_> it definitely uses cyclone for getting out the ice xtals
[17:17] <SpeedEvil> Integrate it with the turbocompressor
[17:17] <SpeedEvil> Have the ice come out the side
[17:17] <Laurenceb_> yes thats kind of how it works
[17:17] <Laurenceb_> but i dont see how they keep ice off the pipes
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[17:17] <Laurenceb_> maybe some sort of coating
[17:18] <Laurenceb_> and/or ionoisers
[17:19] <NigeyS> ok some dumb question, why do they spin it before it seperates? :|
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[17:20] <Laurenceb_> spin what?
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[17:20] <NigeyS> the juno craft
[17:21] <Laurenceb_> gyroscopically stabilise it
[17:21] <NigeyS> nsd ahh
[17:21] <NigeyS> ahh*
[17:21] Nick change: nickolai1989 -> nickolai
[17:21] Action: Laurenceb_ facepalms at latest register balloon stupidity
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[17:23] <Darkside> hey NigeyS
[17:23] <NigeyS> boo
[17:23] <Darkside> so you have a hacksaw?
[17:23] <NigeyS> Laurenceb, what they daft crap have they come up with now ?
[17:24] <NigeyS> Darkside, got 2 :D
[17:24] <Darkside> or a really big pair of pliers, that could cut stainless steel
[17:24] <Darkside> cool
[17:24] <Darkside> i'll need to cut down the antenna tomorrow
[17:24] <NigeyS> ah, bit on the big side ?
[17:24] <Darkside> yeah, its for VHF
[17:24] <NigeyS> lol eek
[17:25] <Darkside> i've marked it, i'll need to chop it down
[17:25] <NigeyS> okies
[17:25] <nickolai> alright, time to go buy helium...
[17:26] <SpeedEvil> Hehehe.
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[17:34] <NigeyS> Why not three balloons, arranged in a triangle, with LOHAN attached in a framework between them?
[17:34] <NigeyS> mmmmmmk
[17:36] <Darkside> would that actually wotk?
[17:36] <Darkside> you'd have to balance the balloons lift perfectly
[17:37] <SpeedEvil> three strings to the payload below them, and it should stabilise
[17:37] <Darkside> would be something to test
[17:37] <Darkside> use 3x 100g balloons first
[17:37] <Darkside> you'd need a way of filling the payloads perfectly though
[17:37] <NigeyS> might work if it doesnt all tangle
[17:38] <Darkside> hmm better put my camera on chrge
[17:38] <Darkside> and my scanner
[17:38] <NigeyS> yups
[17:39] <Darkside> ITS CAPTAIN JACK
[17:39] <Darkside> yay
[17:39] <NigeyS> lol
[17:39] <Darkside> (watching torchwood 04x01
[17:39] <NigeyS> i watched 2 episodes and got bored of it
[17:39] <NigeyS> same for dr who
[17:40] <Darkside> lol
[17:40] <Darkside> i wanna see if the guy that blew himself up is dead or not
[17:40] <Darkside> also i never saw torchwood seasons 2 or 3
[17:40] <NigeyS> most people that blow themselves up tend to die :|
[17:40] <Darkside> not in this ep
[17:41] <NigeyS> :o
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[17:42] <NigeyS> and the most important thing to remember tomorrow is........
[17:43] <GW8RAK> Last shuttle mission left a years supply of food on ISS
[17:44] <GW8RAK> I wonder about water?
[17:44] <NigeyS> thats alot of food!
[17:44] <GW8RAK> Do they recycle it?
[17:44] <NigeyS> yeah, from urine n stuff :|
[17:44] <number10> i think a certain amount of water is recycled
[17:44] <NigeyS> oh and perspiration
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[17:47] <SpeedEvil> You don't need to close the water loop very far
[17:47] <SpeedEvil> As biogenic water is quite significant.
[17:47] <SpeedEvil> Metabolic, rather.
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[17:49] <NigeyS> surely its going to be lacking in certain minerals though ?
[17:50] <SpeedEvil> Metabolic water is from hydrogen in food + air
[17:51] <SpeedEvil> Unless you decompose the water into H2/O2 and bin the H2, then you get an excess of water.
[17:51] <SpeedEvil> From dried food.
[17:54] <NigeyS> oh right
[17:54] <SpeedEvil> Electrolysing the water and using dehydrated food gets you to on the order of 1.6Kg/ay or so.
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[17:55] <NigeyS> thats a fair amount
[17:55] <SpeedEvil> yeah - that's counting O2 and food in.
[17:55] <SpeedEvil> err food and some water in
[17:55] <SpeedEvil> To avoid recycling other than urine
[17:56] <NigeyS> did you see that article the other about finding oxygen in space ?
[17:56] <NigeyS> day*
[17:56] <SpeedEvil> You look for the cylinders, I guess. :)
[17:56] <NigeyS> lol
[17:56] <SpeedEvil> There is lots of water in the solar system, apart from the moon.
[17:57] <Hiena> Actually the urine is quite safe drink even without cleaning. Healtly human urine has quite low bacteria content.
[17:57] <NigeyS> oh aye, just got me confused why they made a big deal of finding it
[17:57] <SpeedEvil> Hiena: No, it's not.
[17:58] <NigeyS> Hiena, ill take ure word for it and not try it :p
[17:58] <SpeedEvil> Hiena: Not as a sole input, as you can't cope with the urea
[17:58] <SpeedEvil> Or other toxins.
[17:58] <NigeyS> amonia for 1
[17:59] <Hiena> SpeedEvil: yup, thats why the purifier tablets invented.
[17:59] <NigeyS> welcome to #highaltitude .. todays topic, contents of urine... :p
[17:59] <SpeedEvil> Purifier tablets?
[18:00] <Hiena> NigeyS: Rather: Drinking urine at high altitude.
[18:00] <NigeyS> ive seen those in camping places
[18:00] <NigeyS> lol Hiena
[18:00] <SpeedEvil> NigeyS: They're for purifying water of microorganisms. They don't remove other minreal contaminnets.
[18:00] <Darkside> LOL
[18:01] <Darkside> "Wait a minute, i've gotta pay for this bridge? Goddamn wales"
[18:01] <NigeyS> oh, well, i think ill pass either way, once it comes out its not going back in!
[18:01] <NigeyS> Darkside, blame the english, the bridge toll booth is on their side :p
[18:02] <Darkside> lol
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[18:02] <Hiena> What i used in the army, cleared the piss and made some chrystall residue at the bottom of the glass. But i guess, it's TMI for you.
[18:02] <NigeyS> well, i no longer feel hungry :|
[18:03] <SpeedEvil> Interesting.
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[18:04] <edmoore> Randomskk, M0JSN: my wallet is lighter
[18:04] <NigeyS> oh dear you didnt ?
[18:04] <SpeedEvil> You need makeup oxygen if you're going that route though.
[18:04] <edmoore> Yep
[18:04] <Darkside> LOL
[18:05] <Darkside> "Wales is INSANE"
[18:05] <Darkside> hahahahahaha
[18:05] <SpeedEvil> And water is the easy way to store it.
[18:05] <Darkside> hillarious
[18:05] Action: NigeyS slaps edmoore with an asus eee
[18:05] <SpeedEvil> edmoore: MBA?
[18:05] <edmoore> Yep
[18:05] <edmoore> NigeyS: Don't
[18:05] <NigeyS> hehehe#
[18:06] Action: Laurenceb_ welcomes the new Master of Business Administration
[18:06] <Darkside> lol
[18:06] <edmoore> Thanks
[18:06] <Darkside> captain jack bollocks
[18:06] <edmoore> I am having a beer now
[18:06] <edmoore> Or as an MBA would say, I shall leverage a beverage
[18:07] <Laurenceb_> i guess its not _that_ expensive
[18:07] <edmoore> It's the cheapest they do
[18:07] Action: Laurenceb_ is on his free thinkpad assembled from various old parts
[18:08] <edmoore> 750 with student discount
[18:08] <Laurenceb_> not bad
[18:08] <edmoore> Much cheaper than the thinkpad x1 which also considered!
[18:08] Action: SpeedEvil buys thinkpads at around the 150 quid mark.
[18:08] <edmoore> I just wanted something very small with an SSd and not a bloody atom
[18:09] <edmoore> SpeedEvil: Infact x61s are on ebay for that an less
[18:09] <edmoore> And they're very reasonable
[18:09] <SpeedEvil> Now, yes
[18:09] <SpeedEvil> x60s here
[18:09] <edmoore> That was 2nd choice
[18:10] <edmoore> But i qiite wanted the ssd
[18:10] <SpeedEvil> It's depressing in some ways.
[18:10] <edmoore> Makes such a didference
[18:10] <edmoore> Iphone yyping sorry
[18:10] <SpeedEvil> I have a PII/300 laptop that's in some ways awesome.
[18:10] <edmoore> In which ways?!
[18:10] <SpeedEvil> 1.1Kg, 10 hours battery life (with modern cells, if I did)
[18:10] <SpeedEvil> good 10" 4:3 screen, reasonable keyboard, trackpoint.
[18:10] <edmoore> Wow
[18:11] <edmoore> Can it do counterstrike source tho?
[18:11] <edmoore> Exactly
[18:11] <SpeedEvil> Of course - no USB2 kinda ruins it for even the most casual uses.
[18:11] <edmoore> Yeah
[18:11] <SpeedEvil> But the form factor is ideal - I've even been considering putting an ipad screen and beagleboard in. :)
[18:12] <Darkside> NigeyS: do you have an amateur license?
[18:12] <edmoore> This will be for being mobile and giving presentations. I have a bit of anloce affair with kwynote
[18:12] <edmoore> Jeynote
[18:12] <edmoore> Gah
[18:12] <edmoore> Keynote
[18:12] <Laurenceb_> id get a toshiba ac100 if the screen was nicer
[18:12] <NigeyS> Darkside, nup
[18:12] <NigeyS> not yet
[18:12] <Darkside> ok
[18:12] <Laurenceb_> can be picked up for ~£100 now
[18:12] <edmoore> NigeyS: Worth it :)
[18:12] <edmoore> M6NGS could be you
[18:13] <Darkside> hehe
[18:13] <edmoore> Assuming its not alreqdy taken ofcourse
[18:13] <NigeyS> yup, doing it soon, just need to find a local club thats running the exam
[18:13] <Darkside> i was considering getting a license while i was here
[18:13] <Darkside> but no way i'll have the time
[18:13] <edmoore> Yeah
[18:13] <edmoore> And full results take like a month to come through after exam
[18:14] <Darkside> WTF
[18:14] <Darkside> ITS SIERRA
[18:14] <Darkside> from dollhouse
[18:14] Action: Laurenceb_ tries to understand darkside
[18:14] <Darkside> goddamnit, i'm not going to be able to take this show seriously with her in it
[18:14] <Darkside> Laurenceb_: i'm watching torchwood 04x02
[18:14] <Laurenceb_> oh god
[18:15] <Darkside> what
[18:15] <Darkside> its pretty good so far
[18:15] <Randomskk> edmoore: sweet!
[18:16] <edmoore> Darkside: Again with the johhny nice painter
[18:16] <edmoore> THE MOON IS WEEPING IN A SECRET ROOM!!
[18:16] <Laurenceb_> poor moon
[18:16] <Laurenceb_> what the hell is going on anyway
[18:16] <gb73d> i just watched Barbarella again
[18:16] <Laurenceb_> everyone here is high right?
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[18:16] <edmoore> Etc
[18:17] <Laurenceb_> http://forums.theregister.co.uk/forum/1/2011/08/05/lohan_balloon_challenge/
[18:17] <Laurenceb_> *facepalm*
[18:17] <NigeyS> oh ffs just sellotape it to the dam balloon lol
[18:18] <edmoore> Randomskk: I am excited
[18:18] <SpeedEvil> With?
[18:18] Action: SpeedEvil is excited to be getting his new phone.
[18:18] <Laurenceb_> N9 ?
[18:18] <SpeedEvil> N950
[18:18] <Randomskk> edmoore: have you unboxed etc then?
[18:19] <Laurenceb_> oh niceeeee
[18:19] <Darkside> SpeedEvil: ahhh
[18:19] <Darkside> i had a N900
[18:19] <Laurenceb_> how do you get an N950?
[18:19] <SpeedEvil> I have to do actual dev stuff for it though.
[18:19] <Darkside> got sick of it after a while
[18:19] <Darkside> SpeedEvil: ahh, thats why you have one
[18:19] <Darkside> i've given up on maemo/meego
[18:19] <SpeedEvil> Laurenceb: Documentation, to a degree.
[18:19] <Darkside> especially since nokia has given it up
[18:19] <SpeedEvil> http://wiki.maemo.org/Category:N900_Hardware
[18:19] <SpeedEvil> Wrote most of.
[18:20] <Darkside> heh
[18:20] <SpeedEvil> And yes - it's deeply insane what nokia has done.
[18:20] <Darkside> i sold my n900 to a friend and got an android phone
[18:20] <edmoore> Randomskk: Eating first
[18:20] <edmoore> Pizza express at shopping centre then drive home
[18:20] <Randomskk> haha I'm amazed at your restraint
[18:20] <Darkside> though it was a nice device while i had it, but it was specced pretty low for phones released around that time
[18:21] <Randomskk> I pretty much jogged back to college after getting mine at the store
[18:21] <Randomskk> then slowly, carefully, gently unboxed it
[18:21] <Randomskk> it was great.
[18:21] <Randomskk> my first mac.
[18:21] <Darkside> lol
[18:22] <Laurenceb_> does n950 have magno and gyro?
[18:22] <SpeedEvil> Laurenceb: No gyro
[18:22] <Zuph> You always remember your first.
[18:22] <Laurenceb_> boo
[18:22] <Laurenceb_> i2c exposed?
[18:22] <SpeedEvil> Mag, yes.
[18:22] <Zuph> I'll never forget you, Lisa.
[18:22] <SpeedEvil> The schematics have not leaked
[18:22] <Laurenceb_> hmm you could do a credible autopilot
[18:22] <edmoore> Zuph: Leet
[18:22] <Laurenceb_> unlike on android
[18:23] <SpeedEvil> Indeed.
[18:25] <Laurenceb_> bbl
[18:31] <Darkside> hmm
[18:31] <Darkside> better set my alarm earlier
[18:31] <edmoore> ?
[18:33] <Darkside> going to WALES tomorrow
[18:33] <Darkside> better not have to pay at the bridge
[18:33] <edmoore> That's a bit of a trek
[18:34] <edmoore> What are you doing in WALES!!!!!11 oneone one
[18:34] <Darkside> edmoore: its not far
[18:34] <edmoore> I guess not by Aussie standards
[18:35] <Darkside> i'm launching with NigeyS
[18:35] <edmoore> For me it's international travel
[18:35] <edmoore> Oh yesof course
[18:35] <Darkside> and its only an hour away by train
[18:35] <Darkside> so thats pretty damn close for me
[18:35] <edmoore> Oh ok. South Wales
[18:35] <Darkside> yup
[18:35] <Darkside> cardiff
[18:36] <edmoore> Are you going to lllangygygyylllghew?
[18:36] <Darkside> no
[18:36] <edmoore> Oh Cardiff
[18:36] <Darkside> yes
[18:36] <edmoore> Cardiff is
[18:36] <edmoore> Lovely
[18:36] <edmoore> That was meant to be all one lien
[18:37] <Elwell> ah juno went up then?
[18:38] <edmoore> Yippee
[18:38] <LazyLeopard> Hopefully for the right values of "u"... ;)
[18:39] <edmoore> ?
[18:39] <Darkside> yeah, it went up
[18:39] <Darkside> the good kind
[18:39] <LazyLeopard> ...quite late in its launch window, as there were problems with a leaky helium feed to the Centaur stage...
[18:39] <edmoore> Ah yes
[18:40] <edmoore> They want the engine roar to be higher pitch
[18:40] <LazyLeopard> ;)
[18:40] <edmoore> To notioset the bird life
[18:40] <edmoore> So they add helium
[18:40] <edmoore> Fascinating research actually
[18:42] Action: Elwell looks at the laundry pile, and looks at the far more inviting arduino sitting on the table
[18:42] <edmoore> Is there an open source cycle computer?
[18:42] <edmoore> Arduono based
[18:42] <edmoore> If not i might build one
[18:46] <Randomskk> I understand the cool kids get iphone mounts
[18:46] <Randomskk> and run Apps
[18:47] <edmoore> No cadence
[18:47] <edmoore> You need cadence for proper cycling
[18:47] <Darkside> lol they found a laptop with a fuel cell
[18:47] <Darkside> bullshit
[18:48] <edmoore> At cadence or fuel cells?
[18:50] <Darkside> fuel cells
[18:50] <Darkside> (i'm watching torchwood)
[18:50] <Darkside> that was pretty hillarious
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[18:59] <Darkside> i love the iplayer bbc HF intro
[18:59] <Darkside> bbc Hd*
[18:59] <Darkside> KITTY
[18:59] <Darkside> that turns into a tiger, then back into a kitty
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[19:29] <GW8RAK> Darkside, going back to an earlier question, have you an amateur callsign at home?
[19:29] <Darkside> yes
[19:29] <Darkside> not a full-call tho
[19:29] <Darkside> still working on that...
[19:30] <GW8RAK> Well you may be able to get a reciprocal callsign while you are over here
[19:30] <Darkside> nope
[19:30] <Darkside> only full-calls get that
[19:30] <Darkside> already checked this
[19:30] <GW8RAK> Bugger, that's annoying
[19:31] <GW8RAK> Just thought of that while I was clearing up the bonfire
[19:32] <Darkside> heh
[19:39] Lunar_Lander (~Lunar_Lan@p54882CE1.dip.t-dialin.net) joined #highaltitude.
[19:39] <Lunar_Lander> hello
[19:41] <Lunar_Lander> hello GW8RAK
[19:41] <Lunar_Lander> no answer in the chemistry forum or the physics forums yet
[19:41] <GW8RAK> Evening Lunar_Lander
[19:42] <GW8RAK> Perhaps it'll just be something to build and test it on the ground
[19:42] <Lunar_Lander> yes
[19:42] <Lunar_Lander> but I will try the "Ask a scientist" site also now
[19:42] <GW8RAK> Haven't found that site.
[19:43] <Lunar_Lander> http://www.madsci.org/
[19:43] <GW8RAK> Thanks Lunar.
[19:43] <Lunar_Lander> you are welcome
[19:44] <GW8RAK> I'll have a read
[19:45] <Lunar_Lander> yeah, wait
[19:45] <Lunar_Lander> I have to ask there first
[19:45] <Lunar_Lander> then someone answers
[19:45] <Lunar_Lander> and then I can show you that answer
[19:45] <Lunar_Lander> but I had asked something there before
[19:45] <Lunar_Lander> this http://www.madsci.org/posts/archives/2010-09/1284475714.Ch.q.html
[19:45] <GW8RAK> Just got first digest of emails from the Amsat BB. It's not like amateurs to complain and bitch about things is it?
[19:46] <GW8RAK> They are a sad bunch.
[19:46] <Lunar_Lander> because that ISS satellite was damaged?
[19:47] <GW8RAK> Yes, everyone complaining that if the good old US of A had been involved, it would have been perfect.
[19:48] <GW8RAK> Sounds like the aerial on there is about 1.5 inches long, and the other 5" has been broken off
[19:48] <Lunar_Lander> sounds not that good
[19:49] <GW8RAK> Looks like an erp around 100W will get access to the transponder
[19:49] <Lunar_Lander> yes
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[19:50] <WillDuckworth> cutdown works.... ears still ringing!
[19:55] <cuddykid> nice, pyro WillDuckworth?
[19:55] <GW8RAK> I've got to run a cable (240V) into a rotator base and make it watertight, but I can't think of what that waterproof fitting is called. Any suggestions?
[19:58] <Lunar_Lander> is it like tape or gum or so?
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[19:59] <edmoore> Randomskk: this is rather yummy
[19:59] <GW8RAK> There is a hole in the rotator base but the fitting has been removed. It's like a through hole waterproof fitting
[19:59] <edmoore> i'm impressed
[19:59] <Randomskk> edmoore: it's so dreamy. also I just moved my entire vim setup to use git submodules inside the pathogen bundle/ folder which is really sweet - github.com/vim-scripts mirrors all the vim-scripts stuff
[20:00] <GW8RAK> Found it, waterproof cable gland. £1.95 on ebay
[20:00] <edmoore> hold up too fast
[20:00] <GW8RAK> :)
[20:00] <Randomskk> also I just swapped colourscheme from zenburn in vim and tango on gnome-terminal to solarized everywhere, trying it for a bit, it's quite radical
[20:00] <edmoore> i use pathogen
[20:00] <edmoore> so far so good
[20:00] <edmoore> this is even better?
[20:00] <Randomskk> right, so you have .vim/bundle
[20:00] <Randomskk> and it's got folders per plugin?
[20:00] <edmoore> yup
[20:00] <Randomskk> but actually if you use git to manage .vim, you can use git submodules to manage the plugins
[20:00] <edmoore> which is what pathogen does, right?
[20:00] <Randomskk> pathogen has nothing to do with git
[20:01] <Randomskk> it's just a thing that reads the folder to find the plugins
[20:02] <edmoore> http://sontek.net/turning-vim-into-a-modern-python-ide
[20:02] <edmoore> this is what i have used the last couple of times ^
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[20:02] <Lunar_Lander> back
[20:02] <Randomskk> this is more a thing you can do as-well, it doesn't replace anything else
[20:02] <Randomskk> it just means that instead of downloading scripts and putting them in bundle/, you just git submodule add <url> bundle/pluginname
[20:03] <edmoore> this is what i have been doing
[20:03] <Randomskk> and consequentially when moving anywhere you can just git submodule update and it re-gets all of them, and you can even update them
[20:03] <Randomskk> if you're already using git submodules for all your plugins I have nothing much to offer except again that github user which mirrors all the vim plugins
[20:04] <NigeyS> Boeing says two of its own employees will crew the first manned mission of its new astronaut capsule.
[20:04] <NigeyS> hm
[20:04] <Randomskk> I got started playing with more couch stuff but then got distracted by setting up vim and then solarized :P
[20:04] <edmoore> gah, my old bashrc is on dead laptop
[20:05] <edmoore> wombat is my fav vim colorscheme for python
[20:05] <Randomskk> until about ten minutes ago I was in a totally committed relationship with zenburn
[20:05] <Randomskk> now I'm having a bit of a fling with solarized I guess
[20:05] <edmoore> homebrew needs git right
[20:05] <Randomskk> I've set it on irssi and gnome-terminal
[20:06] <Randomskk> yes
[20:06] <Randomskk> well
[20:06] <edmoore> so first install git, them homebrew, then everything else
[20:06] <Randomskk> I think homebrew might install git, uhm
[20:06] <Randomskk> follow homebrew instructions
[20:06] <Randomskk> xcode will be painful
[20:06] <edmoore> this is my chicken/egg conundrum
[20:06] <edmoore> oh shag i need to download xcode?
[20:06] <Randomskk> yes :(
[20:06] <Randomskk> and install it
[20:06] <edmoore> damn
[20:06] <Randomskk> it's a total stupid pain
[20:06] <Randomskk> really just want a c compiler
[20:06] <Randomskk> not all that overhead shit
[20:06] <Randomskk> be careful to not have it install all the ipad and iphone dev stuff too
[20:07] <Randomskk> took up gigs of space until I realised what it had done
[20:07] <Randomskk> could someone ping me?
[20:08] <Lunar_Lander> Randomskk
[20:08] <edmoore> 3GB
[20:08] <Randomskk> cool, thanks
[20:08] <edmoore> jesus
[20:08] <edmoore> how can developer tools be 3GB!?!
[20:08] <Randomskk> edmoore: only 3? it was like 10 when I tried :|
[20:08] <Lunar_Lander> you're welcome
[20:08] <edmoore> i'm in the countryside
[20:08] <Randomskk> edmoore: it's a stupid massive thing
[20:08] <Randomskk> brb a sec
[20:08] <edmoore> this is not cool
[20:09] <Randomskk> edmoore: srsly.
[20:09] <Randomskk> bbl, I guess. try solarized! :P
[20:10] <edmoore> wombat
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[20:12] <Lunar_Lander> GW8RAK, just asked there
[20:12] <Lunar_Lander> I hope that someone replies next week
[20:22] <Lunar_Lander> GW8RAK did you read my pH question?
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[20:23] <GW8RAK> No Sorry Lunar, I was just outside.
[20:24] <GW8RAK> I'll have a look at the pH one
[20:28] <GW8RAK> Have you got a link to the questions Lunar_Lander?
[20:32] <Lunar_Lander> one moment
[20:35] <Upu> evening
[20:36] <Lunar_Lander> hi Upu
[20:36] <Lunar_Lander> GW8RAK please hang on
[20:36] <Upu> evening Lunar_Lander
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[20:37] <Lunar_Lander> GW8RAK
[20:37] <Lunar_Lander> http://www.madsci.org/posts/archives/2010-09/1284475714.Ch.q.html
[20:37] <Lunar_Lander> my question
[20:37] <Lunar_Lander> and the answer: http://www.madsci.org/posts/archives/2010-09/1284475714.Ch.r.html
[20:37] <Laurenceb_> hackaday is boring now :(
[20:38] <Laurenceb_> needs more trolling to make it readable
[20:42] <Upu> Who's Peter ?
[20:42] <Upu> launching tommorrow ?
[20:42] <Upu> and Darkside you're going to "da Wales" ?
[20:43] <Laurenceb_> da Wales bro ?
[20:43] <Upu> Darkside http://www.youtube.com/watch?v=kOZlJiOvXsU
[20:43] <Upu> watch that
[20:43] <Upu> Welsh Tourist information film
[20:43] <Darkside> lol
[20:43] <Darkside> yes
[20:43] <Upu> thats worth watching before you go
[20:43] <Darkside> i do know about ali-g
[20:44] <Darkside> and i'm watching it now
[20:44] <edmoore> Upu: he's from the rainbow trust
[20:44] <edmoore> doing a launch with cusf
[20:44] <Upu> ah ok
[20:44] <Upu> wanting trackers ?
[20:44] <Upu> if so what time ?
[20:45] <Darkside> i hope he isnt using 434.650MHz
[20:45] <Darkside> because else we're gonna hear him too
[20:46] <Darkside> and its going to be annoying to DF it if they're up in teh air too
[20:46] <edmoore> i beleive the launch is at 6
[20:46] <edmoore> Upu: i guess so - i'm in ox atm
[20:46] <Upu> 6am ?
[20:46] <edmoore> i think actually it might just be sms
[20:46] <Upu> ok
[20:46] <edmoore> it's totally their payload
[20:46] <edmoore> 7am
[20:46] <edmoore> sorry
[20:46] <Upu> early
[20:46] <Darkside> ok
[20:46] <edmoore> yep
[20:46] <Darkside> it'll be down before we launch then
[20:46] <edmoore> heading to the sea later
[20:47] <Lunar_Lander> GW8RAK did the links work?
[20:47] <Darkside> good one Upu
[20:47] <GW8RAK> Yes, just reading now
[20:47] <Darkside> just finished warching the video
[20:47] <Darkside> watching*
[20:47] <Upu> not sure I'm going to be able to hear Picachoo
[20:47] <Darkside> yah its gonna be a bit low
[20:48] <Darkside> i'm glad NigeyS has his big yagi, else we might have trouble hearing it too
[20:48] <Upu> will give it a go
[20:48] <Upu> what time are you going up ?
[20:48] <Darkside> around midday i think
[20:48] <Upu> ok
[20:48] <Upu> should be back
[20:49] <fsphil> my rig is setup anyway, will try incase there's some amazing propagation
[20:50] <Upu> not hab related but this is an expensive insurance claim : http://www.bbc.co.uk/news/uk-england-cambridgeshire-14414889
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[20:51] <Lunar_Lander> yeah
[20:51] <edmoore> Darkside: the cambridge one should be long since landed by midday
[20:51] <Lunar_Lander> didn't he crash into a trash truck a few years earlier?
[20:51] <Upu> dunno but the last F1 sold in 2008 at auction for £4mil
[20:51] <Lunar_Lander> yea
[20:52] <WillDuckworth> Hey Darkside - you ready for tomorrow?
[20:53] <Darkside> eeyuip?
[20:53] <Darkside> eeyup*
[20:53] <Lunar_Lander> http://www.bbc.co.uk/news/uk-england-somerset-14416809
[20:53] <edmoore> ipython is the worlds best calculator app
[20:53] <Darkside> Lunar_Lander: bloody tits
[20:54] <edmoore> and secondly, it seems that completely random and improbable people can absent-mindedly whistle or hum the tune from the bar on mos eisely
[20:54] <Lunar_Lander> yea
[20:54] <edmoore> eisley*
[20:54] <edmoore> my italien waitress in the pizza place was humming it today
[20:55] <Darkside> ok heres something i don't understand
[20:56] <Darkside> where the hell does the train line from bristol to cardiff go
[20:56] <Darkside> i loose it as it enters a tunnel on teh bristol side
[20:56] <fsphil> they hand out scuba gear before it sets off
[20:56] <Darkside> and cant find it on the other side
[20:56] <edmoore> welcome to wales
[20:57] <Darkside> OH
[20:57] <edmoore> the trolls in Lord of the Rings were based on the welsh
[20:57] <Darkside> i found it
[20:57] <WillDuckworth> Darkside: thetrainline.com - i'm out and about all weekend but will be mobile with the radio if needed
[20:57] <Darkside> my god thats a long tunnel
[20:57] <Darkside> wow
[20:57] <Darkside> this'll be cool
[20:57] <Darkside> built around 1880 >_>
[20:57] <Darkside> i'm sure its safe
[20:58] <fsphil> there shouldn't be too many second world war bombs in it
[20:59] <Darkside> http://upload.wikimedia.org/wikipedia/commons/6/6d/Severn_Tunnel_April_2007.jpg
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[21:02] <Darkside> Some 10 minutes out from Newport, the London-bound train suddenly plunges into darkness. The clattering intensifies, the minutes tick by. The windows now serve as mirrors, shielding the traveller from the cold environment inches away.
[21:02] <Darkside> The train seems to have slowed, but there remains a sense of speed. Few travellers realise that they are plunging some 45m below sea level along a 4.5 mile tunnel, up to the English side of the Severn Estuary.
[21:02] <Darkside> well, now i will
[21:02] <Darkside> fucking railways
[21:02] <Darkside> great
[21:02] <Darkside> http://www.divernet.com/other_diving_topics/160544/the_strong_man_the_rebreather_and_the_tunnel.html
[21:04] <GW8RAK> Darkside, apparently 20 million gallons of water a day are pumped out of the Severn Tunnel. Hold your breath.
[21:04] <GW8RAK> (But seems rather a lot to me)
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[21:05] <edmoore> silly zeusbot
[21:05] <edmoore> http://www.youtube.com/watch?v=Dx8CZyFM4b4&feature=related
[21:05] <Darkside> lol
[21:05] <edmoore> this one ^
[21:06] <Darkside> >_>
[21:07] <GW8RAK> http://mikes.railhistory.railfan.net/r086.html
[21:07] <edmoore> http://www.youtube.com/watch?v=uyoDUoH7BZc&feature=related
[21:07] <edmoore> this one ^
[21:07] <edmoore> there we go. the original
[21:07] <edmoore> EMI are dicks
[21:09] <GW8RAK> Lunar_Lander, good answer to the pH of an atmosphere. I'll think about that one.
[21:09] <Lunar_Lander> yeah
[21:11] <Darkside> bahahaha
[21:11] <Darkside> hahahahaaha
[21:12] <Darkside> theres the long town name
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[21:12] <Darkside> big leeks?
[21:18] <Darkside> hm i'd better get to bed soon
[21:18] <Darkside> if i'm to visit the welsh on the morrow
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[21:21] <edmoore> is there a good serial port program for osx?
[21:23] <Darkside> Coolterm
[21:23] <Darkside> its cool
[21:23] <Darkside> >_>
[21:24] <edmoore> and a term
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[22:42] <edmoore> Randomskk: xcode just finished downloading
[22:42] <edmoore> woot
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[23:04] <Lunar_Lander> NigelMoby there?
[23:06] <Darkside> hes goneto sleep
[23:16] <edmoore> don't blame him
[23:18] <Darkside> i shoul dbe sleeping too
[23:18] <Darkside> since i'm catching a train there at 8:36am...
[23:20] <Darkside> ok, nn
[23:20] <griffonbot> Received email: Mark Jessop "Re: [UKHAS] Launch Notification - Saturday 6th August : PICOCHU-1"
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[23:42] <Lunar_Lander> back
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[23:47] <Zuph> Alright, I need someone to measure the resistance of a watermelon for me.
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[23:50] <Lunar_Lander> hi Zuph
[23:50] <Lunar_Lander> why is that?
[23:50] <Lunar_Lander> and hi W0OTM
[23:50] <natrium42> what a delicious experiment
[23:50] <natrium42> i don't think it will resist too long :)
[23:51] <Zuph> I am trying to make a device that lets you explode watermelons with your mind.
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[23:51] <natrium42> whoa
[23:51] <natrium42> Zuph: going for a randi prize?
[23:53] <Lunar_Lander> xD
[23:53] <Lunar_Lander> and hi natrium42
[23:55] <natrium42> moin Lunar_Lander
[23:58] <natrium42> Lunar_Lander: http://www.youtube.com/watch?v=xoTd0_YdF48
[23:59] <Lunar_Lander> XD otto!
[23:59] <natrium42> :D
[23:59] <natrium42> or are you too young to know him?
[23:59] <natrium42> :P
[23:59] <Lunar_Lander> no, of course I know him
[23:59] <Lunar_Lander> he introduced me to the best song in the world!
[00:00] --- Sat Aug 6 2011