highaltitude.log.20110808

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[02:07] <aut0m4tic> Is this where I ask how to get a payload xml file? I am almost finished with the payload and want to do preliminary tracking testing. Thanks
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[02:13] <hibby> aut0m4tic: you're best to send an email to the mailing list
[02:14] <hibby> containing all the data, in order, that your string will contain and some examples
[02:15] <aut0m4tic> Thanks hibby! I appreciate the help. I'll do that
[02:15] <hibby> you'll get a few replies and it'll likely appear in dl-fldigi at some point soon
[02:17] <aut0m4tic> Awesome. I'm looking through the site right now for the address.
[02:17] <hibby> it's a google group
[02:18] <hibby> link is on the frontpage
[02:19] <aut0m4tic> Found the google group. I'll join it and fire off an email right away. Just have to dig up the details of my google account as my phone logs in automatically
[02:19] <hibby> haha
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[02:24] <aut0m4tic> Got it and joined the group. Thanks again hibby
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[06:03] <nickolai89> what's with the red box on the predictor?
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[06:30] <fsphil> nickolai89, it's the area of wind data the predictor will download from the noaa server
[06:32] <nickolai89> so what if I'm using it to predict a launch in the US?
[06:32] <nickolai89> oh nvm
[06:32] <nickolai89> I see the rectangle changed positions after i ran the prediction
[06:32] <rjharrison> yep
[06:33] <nickolai89> speaking of predictions, http://habhub.org/predict/#!/uuid=d219d7aedc94d422f756d1f655debfde50618de8
[06:33] <nickolai89> It's supposed to land about 10-15 minutes from my house :D
[06:33] <rjharrison> e
[06:33] <rjharrison> Basically it grams +-3degree lat,long from the launch site
[06:33] <rjharrison> grams = grabs
[06:34] <nickolai89> ah, so that's what lat/lon deltas means
[06:34] <rjharrison> yep
[06:34] <rjharrison> The smaller they are teh quicker it runs
[06:34] <nickolai89> what about GFS?
[06:34] <rjharrison> However you need the data for your trajectory
[06:35] <rjharrison> They are the weather models.
[06:35] <rjharrison> GFS is fine
[06:35] <nickolai89> what is GFS HD? Just more data points?
[06:36] <rjharrison> http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/
[06:36] <rjharrison> Have a read :-)
[06:36] <rjharrison> Off to work :-(
[06:37] rjharrison (~rharrison@62.49.185.11) left irc:
[06:45] <fsphil> same here
[06:54] <griffonbot> Received email: Cory Cash "[UKHAS] Payload XML"
[07:11] <SamSilver> http://www.gizmag.com/net-gadgeteer-microsoft-toolkit/19437/picture/139291/
[07:13] <fsphil> yay, griffonbot is back
[07:14] <fsphil> it's a bit of an oddball that SamSilver
[07:17] <SamSilver> hodge podge is what I was thinking
[07:18] <SamSilver> you at work now fsphil ?
[07:19] <fsphil> aye
[07:21] <fsphil> hoping a bit of the prodigy helps me wake up :)
[07:22] <Darkside> lool
[07:23] <Darkside> which album
[07:23] <fsphil> the last one, Invaders Must Die
[07:23] <Darkside> hehe
[07:23] <Darkside> personally i find a bit of aphex helps shock me into awakeness
[07:24] <fsphil> good choice
[07:24] <Darkside> http://www.youtube.com/watch?v=5Az_7U0-cK0
[07:24] <Darkside> particularly that song (without the intro of course)
[07:24] <fsphil> bet I know what it is before I click...
[07:24] <Darkside> :P
[07:25] <fsphil> nope! I was thinking windowlicker
[07:25] <Darkside> I WANT YOUR SOULLL
[07:25] <Darkside> haha
[07:26] <fsphil> he reminds me of the sound of putting a C64 tape in the hi-fi
[07:26] <Darkside> hahaha
[07:26] <Darkside> well, its aphex twin
[07:26] <Darkside> so you never know
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[07:31] <fsphil> aaah, good tune
[07:34] <Darkside> Eeyup
[07:58] <fsphil> hehe, someone wants me to make an ssdv kit. I still haven't got past the layout part of eagle
[08:05] <SamSilver> off home
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[08:33] <edmoore> Darkside: ping
[08:34] <griffonbot> Received email: Adam Greig "Re: [UKHAS] Payload XML"
[08:35] <edmoore> Randomskk: was there talk of a hackspace london meet at the weekend?
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[08:37] <Randomskk> edmoore: I think Darkside was going to London
[08:37] <Randomskk> and going to science museum and LHS
[08:37] <Randomskk> and jon and I were thinking of meeting up
[08:37] <edmoore> +1?
[08:39] <edmoore> comma, room for?
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[08:51] <Darkside> edmoore: pong
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[08:51] <edmoore> Darkside: was just inquiring about the above
[08:51] <Darkside> i'm going to be at the hackerspace from around 3pm sat
[08:51] <edmoore> hacker space + general jolly
[08:51] <Darkside> and probably all of sunday
[08:51] <edmoore> cool
[08:51] <Darkside> i get into london around 9:30am, going to the science museum first up
[08:51] <edmoore> i might pop along
[08:51] <Darkside> then will check into accomodation then head to hackerspace
[08:52] <edmoore> i've not been before
[08:52] <Darkside> might give a short talk about TOPCAT and project horus
[08:52] <edmoore> oxford doesn't have a hackerspace
[08:52] <edmoore> that probably needs rectification
[08:57] <rjharrison> Upu, I have lost the link to the media server you mentioned yesterday. If you can post again thta would be great
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[09:07] <miloslj> Hy
[09:09] <miloslj> I have some quations about making High Altitude Ballooning
[09:09] <Darkside> eeyup
[09:09] <Darkside> do not ask to ask, just ask
[09:10] <miloslj> Can you help me about muduls for GPS, and camera?
[09:10] <Darkside> define: module
[09:10] <miloslj> Where I can find to buy?
[09:10] <Darkside> do you mean just the gps module
[09:10] <Darkside> or a full telemetry system
[09:11] <miloslj> Just gps
[09:11] <Darkside> so you have a way of getting the data to the ground?
[09:11] <rjharrison> miloslj, in short lasseniQ from dpie on internet and canon a560 or any other camera on the CHDK list/ Google CHDK
[09:12] <Darkside> FUCK lassen IQs
[09:12] <Darkside> seriously
[09:12] <Darkside> insensitive pieces of shit
[09:12] <rjharrison> cheap and work but there are better
[09:12] <Darkside> parton the french
[09:12] <Darkside> http://www.sparkfun.com/products/9566 <-- my GPS of choice
[09:12] <rjharrison> vs 2 quid for lassen iQ
[09:12] <rjharrison> 20 quid
[09:13] <Darkside> yah
[09:13] <Darkside> but man, oh man, is it so much better :P
[09:13] <Darkside> uBlox FTW
[09:14] <Laurenceb_> that thing owns
[09:14] <rjharrison> FTW?
[09:15] <Laurenceb_> indeed
[09:15] <Laurenceb_> bbl
[09:15] <miloslj> Ok, thanks, but what is width module for camera
[09:16] <miloslj> Does I put to record, and lunch, or something else
[09:16] <miloslj> I read one case where men take a picture every 1 minutes
[09:17] <rjharrison> google CHDK
[09:17] <rjharrison> look at scripts
[09:18] <miloslj> Ok, sorry
[09:19] <LazyLeopard> ...and make sure any "Auto OFF" setting is disabled. ;)
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[09:20] <miloslj> And what I use for GPS reciver, any gps device?
[09:20] <Darkside> miloslj: how are you getting the gps data to the ground
[09:20] <Darkside> what kind of radio transmitter are you using
[09:21] <miloslj> But I asking you whitch to use?
[09:22] <miloslj> I am on begining, I have nothing
[09:23] <edmoore> miloslj: So you need a GPS receiver eg: http://www.falcom.de/products/gps-modules/fsa03/ and you need to plug that into a microcontroller eg the arduino
[09:24] <edmoore> the arduino can understand what the gps is saying. you can then also plug a radio, eg the radiometrix ntx2 (which is what we all use) into the arduino
[09:24] <edmoore> the arduino can re-package the gps positions to be sent over the radio to you on the ground
[09:24] <Darkside> then you need a radio receiver on the ground
[09:25] <Darkside> edmoore: i think someone needs to write up a big guide on what is required to launch a high altitude balloon
[09:26] <Darkside> i started on one for a telemetry system
[09:26] <edmoore> miloslj: have a look at this: http://hollandshoogte.files.wordpress.com/2010/08/hohoho-i-schematic.jpg
[09:26] <edmoore> Darkside: that makes it too easy
[09:28] <Darkside> true
[09:29] <Darkside> i realise i could potentially make a bit of money selling my mininut boards
[09:29] <Darkside> but i don't want to encourage n00bs to send up balloons
[09:31] <edmoore> exactly
[09:31] <edmoore> we've all had the dollar signs in our eyes
[09:31] <edmoore> badger cub may yet be sold
[09:34] <miloslj> Ok, but why telephone (see on shematic)?
[09:34] <daveake> It's a backup. Safer to have UHF and SMS rather than just one or the other.
[09:35] <miloslj> Ok
[09:35] <daveake> Rule #1 of HAB: Things go wrong :-)
[09:35] <miloslj> :)
[09:36] <edmoore> miloslj: most people don't use the telephone
[09:36] <edmoore> it's a luxury if you want it
[09:36] <edmoore> but 90% of us fly without
[09:36] <edmoore> and jsut 1 gps
[09:37] <miloslj> Yes, I men this, because I ask
[09:41] <miloslj> Does possible to in moment shot picture, I recive picture on the ground
[09:41] <miloslj> ?
[09:42] <Darkside> yes, but its bloody difficult
[09:42] <Darkside> and requires expensive gear
[09:44] <miloslj> Yes, -(
[09:48] <fsphil> or bloody difficult, and very slow
[09:48] <edmoore> miloslj: you'd have to do some work learning about communications theory
[09:48] <edmoore> and there would be some non-simple software to write
[09:49] <fsphil> but worth doing if you fancy a challange
[09:49] <fsphil> challenge*
[09:50] <Darkside> and if the radio license conditions in your country permit it
[09:50] <Darkside> :P
[09:51] <edmoore> miloslj: which country are you in?
[09:51] <miloslj> Serbia
[09:52] <edmoore> cool
[09:52] <edmoore> you'll want to check out the Savez Radio-Amatera Srbije
[09:55] <miloslj> Ok, I will
[09:56] <miloslj> edmoore: which country are you in?
[09:57] <edmoore> uk
[09:57] <fsphil> I'm thinking of printing out Clause 9(3) from the uk amateur license on a big A3 sheet, and putting it up in the corner during my talk. every time I mention something nifty like repeaters or ATV I can just point to it and shrug
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[09:59] <Darkside> eh?
[09:59] <Darkside> heh
[10:00] <edmoore> 9(3) If the Licensee does not pay the fee in the manner described in sub-clause 9(2), then the Licence shall expire at the end of the day before the relevant anniversary date of the Date of Issue.
[10:00] <edmoore> ?
[10:01] <LazyLeopard> 9(3) Without prejudice to Clause 1 of this Licence, the Licensee shall not establish or use the Radio Equipment in any Aircraft or other Airborne Vehicle.
[10:01] <fsphil> hmm.. not what it says in mine
[10:01] <fsphil> yea that one
[10:01] <Randomskk> how do you have two different 9(3)s? :P
[10:01] <LazyLeopard> Methinks there's been some renumbering somewhere...
[10:02] <LazyLeopard> Time to get the freshest copy from OFcom...
[10:02] <fsphil> weird that they'd change it
[10:04] <fsphil> interestingly, I think the "without prejudice to Clause 1" part means we *can* do it in the case of an emergency
[10:06] <miloslj> What kind of softwere I must to write for lunching balloon?
[10:13] <fsphil> normally something that will read the data from your gps module, process this into a format that can be transmitted through a radio module
[10:19] <miloslj> That i dificulty part of all this
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[10:21] <miloslj> Can I find some softwere on the internet?
[10:25] <fsphil> there are some examples on github, or the ukhas wiki site. but they are often written to work with a specific set of hardware (gps module, radio, arduino ,etc )
[10:28] <miloslj> Ok, thanks
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[10:44] <LazyLeopard> Hmmm... edmore's version of 9(3) pre-dates the "free" amateur licence...
[10:44] <fsphil> the lifetime one?
[10:44] <LazyLeopard> edmoore, even *oops*
[10:45] <LazyLeopard> Current version is on https://services.ofcom.org.uk/terms
[10:45] <LazyLeopard> fsphil: yeah
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[11:06] <cuddykid> wooo.. my multimeter now reads current after I finally got around to changing fuse lol
[11:07] <cuddykid> ooer, why is it bold?! :S
[11:07] <fsphil> it is?
[11:07] <Elwell> cuddykid: cos _underline_ is unfashionable
[11:07] <Elwell> irssi does it by default
[11:07] <Elwell> * v _
[11:08] <cuddykid> haha
[11:08] <cuddykid> hmm, contemplating going and getting a small rocket..
[11:10] <fsphil> nah get a big one
[11:11] <cuddykid> lol
[11:13] <daveake> contemplates checking where cuddykid lives to see if I need to set up defences ;-)
[11:13] <cuddykid> haha daveake
[11:13] <cuddykid> th
[11:14] <cuddykid> oops
[11:14] <cuddykid> probably need them!
[11:17] Action: fsphil raises shields
[11:17] <cuddykid> lol
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[11:18] <cuddykid> I was thinking.. with these easy radios I have (or did have until they had to be sent back to be configured!) - I could stick a pair in the rocket and it *should* be able to radio back to the payload it's location etc
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[11:47] <Upu> rjharrison http://www.ebuyer.com/261508-acer-aspire-revo-r3700-desktop-pt-semec-023 and reload with Windows 7 + Media Center
[11:47] <rjharrison> Thanks
[11:47] <rjharrison> I guess it's quite quiet
[11:48] <Upu> one of these : http://www.ebuyer.com/230500-keysonic-slim-mini-wireless-media-htpc-keyboard-2-4ghz-with-trackball-ksk-3201rf
[11:48] <Upu> and one of those : http://www.ebuyer.com/201492-emprex-3009arf-wireless-windows-mce-remote-control-3009arf
[11:48] <Upu> yeah effectively silent
[11:48] <Upu> you don't need the keyboard but its nice to have
[11:49] <mattltm> I have a revo running all the time. They are very nice and totaly silent.
[11:49] <rjharrison> yep that would be usefull for sure
[11:49] <Darkside> i have an acer revo at home
[11:49] <Darkside> running as a media centre pc
[11:49] <rjharrison> may try the linux root for a local media server
[11:49] <Upu> £199 inc vat is just loltastic
[11:49] <Darkside> i run gentoo + XBMC on it
[11:50] <Darkside> and XBMC talks to my file server via SMB to get media
[11:50] <Upu> you must get the right drivers on it or the MKV stuff won't be hardware accelerated
[11:50] <Darkside> yep
[11:50] <Darkside> vdpau
[11:50] <Darkside> linux fucking owns for that
[11:50] <mattltm> Win 7, cumulus weather software, Wxtoimg and an ftp server running on mine.
[11:51] <Darkside> a 1.6GHz atom machine, with a 9400M, playing 1080p h264 video :D
[11:51] <mattltm> Oh, and a file server for the xbox :)
[11:52] <rjharrison> Wow cool
[11:52] <rjharrison> IWOOT
[11:53] <rjharrison> @ 200 nuggets it's pretty good
[11:53] <NigelMoby> Afternoon
[11:54] <NigelMoby> Darkside, mission report is up.
[11:54] <Darkside> link
[11:54] <NigelMoby> WWW.Nigey.co.uk
[11:54] <rjharrison> Darkside, do you rate your revo ?
[11:54] <Darkside> rjharrison: its awesome
[11:54] <Darkside> never had a problem with it
[11:55] <rjharrison> This spec is for 2gb ram I guess thats enough for media server
[11:56] <Darkside> cool NigelMoby
[11:56] <Darkside> rjharrison: yeah mine has 1gb lol
[11:57] <rjharrison> Right I'm placing the order
[11:57] <rjharrison> That XBMC stuff serves the media I guess
[11:58] <NigelMoby> It's a bit long...lol
[11:59] <Darkside> no
[11:59] <Darkside> it doesn't rjharrison
[11:59] <Darkside> XBMC just accesses it
[11:59] <Darkside> but you could just run a samba server on the box to server it to the rest of your network
[12:00] <rjharrison> Oh ok
[12:02] <rjharrison> Darkside, does that stand snap off?
[12:03] <Darkside> i never used the stand
[12:03] <rjharrison> Right answer
[12:03] <mattltm> NigelMoby: Hello :)
[12:03] <NigelMoby> Hey dude
[12:03] <Upu> Mine has just 1Gb in too
[12:04] <Darkside> hey mattltm
[12:04] <Darkside> where in the UK are you?
[12:04] <mattltm> Rochester, Kent
[12:04] <Darkside> jaysus, way over there
[12:04] <NigelMoby> Lol
[12:05] <Darkside> we're a bit out of the way on the way to cambridge
[12:05] <Upu> rjharrison mine is bolted to the back of the TV
[12:05] <rjharrison> even better
[12:05] <mattltm> Yup, just the way I like it :)
[12:05] <Darkside> oh/
[12:05] <Darkside> you like long drives?
[12:05] <mattltm> No, I like being to far away for anyone to get to me :)
[12:06] <Darkside> haha
[12:06] <mattltm> NigelMoby: What did you want yesterday?
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[12:08] <NigelMoby> Ohh. Was gonna ask you to listen out for Picochu in case it got some morning lift, it'll be dead now though, batteries would've died.
[12:08] <mattltm> Oh, ok :(
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[12:09] <NigelMoby> Need coffee! Brb
[12:11] <mattltm> Anyone know how to factory reset a cisco WAP?
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[12:15] <daveake> Real Cisco, or Cisco Linksys?
[12:15] <edmoore> Upu: why the new machine?
[12:15] <mattltm> real cisco
[12:16] <daveake> OK, so the answer isn't "with a hammer" then :)
[12:16] <Upu> edmoore its for rjharrison media player
[12:16] <Upu> ok afk
[12:16] <edmoore> oh i see
[12:16] <rjharrison> edmoore, media server
[12:17] <edmoore> my old mbp is going to be my media centre
[12:17] <rjharrison> nice
[12:17] <edmoore> boxee + git server
[12:17] <mattltm> daveake: That may be the answer if I cant get it to reset!
[12:17] <rjharrison> us mere mortals have to make do with the acer
[12:17] <edmoore> and i can use it with backblaze as it's a mac
[12:17] <edmoore> try being a god some time
[12:18] <rjharrison> lol
[12:18] <daveake> I did once waste far too much time trying to get my head around setting upa Cisco ISDN router. Eventually we got someone in who knew how.
[12:18] <NigelMoby> Hey ed
[12:18] <rjharrison> NigelMoby, nice write up BTW
[12:18] <mattltm> Im generaly ok with cisco kit but this one seems to be a PITA to reset.
[12:18] <NigelMoby> Tnx :)
[12:19] <NigelMoby> Matt, might be a reset via console
[12:19] <NigelMoby> Which is a pita
[12:20] <edmoore> NigelMoby: yo
[12:20] <mattltm> no console NigelMoby.
[12:21] <NigelMoby> Oh..hmm.. no hidden Lil reset button?
[12:22] <Laurenceb> id be tempted to make a pandaboard desktop
[12:22] <mattltm> reset button is there but it seems that this model of AP does not like to be reset!
[12:23] <NigelMoby> Hammer time.....
[12:23] <mattltm> Ah - reset it but cant access the interface :(
[12:24] <NigelMoby> Err.. Eek?
[12:26] <daveake> Maybe you have to hold down reset for a few seconds as it powers up?
[12:26] <edmoore> NigelMoby: nice write-up
[12:27] <NigelMoby> Tnx ed, its missing the more technical terms but I was tired lol
[12:27] <edmoore> just prefix everyhting with 'it is trivial to prove that...' and it'll read like an academic paper
[12:28] <NigelMoby> Picochu-2 maybe in early September with a pressure sensor
[12:28] <NigelMoby> Heh true
[12:29] <NigelMoby> I think I maybe able to get a sensor inside the balloon
[12:30] <edmoore> do!
[12:30] <edmoore> the info would be fascinating
[12:31] <fsphil> what sensor would you use NigelMoby? I might stick one in a latex balloon as a comparison
[12:31] <NigelMoby> Not sure yet Phil, it'll have to be tiny, the valves are fairly narrow
[12:32] <NigelMoby> Ed, would certainly be helpful for sp
[12:34] <fsphil> yea the one I filled was barely enough to get the filler in
[12:34] <fsphil> well -- suppose that's the point of them
[12:34] Action: fsphil shuts up
[12:35] <edmoore> NigelMoby: sp?
[12:35] <NigelMoby> Superpressure
[12:36] <edmoore> oh yes
[12:36] <NigelMoby> Phil, also the valves break stupidly easily, nay have to tape it up to prevent a leak
[12:36] <edmoore> well, there's a big frontier at 35-36km
[12:36] <edmoore> which people are struggling to punch through
[12:37] <edmoore> it's like getting through the sound barrier pre bell x1
[12:37] <NigelMoby> Yup, that's been more the case lately to
[12:37] <edmoore> old sea-dogs in bars overhear your conversation and say 'yous is tryin to break the 35 keeelo-meters hey chicken? lots has tried, lots has failed'
[12:37] <NigelMoby> It's like there's a brick wall up there.
[12:37] <edmoore> 'can't be done if you asks mee'
[12:38] <NigelMoby> Lol no such word as can't :p
[12:38] <edmoore> but yeah, we ned to be getting stuff to 38km
[12:39] <fsphil> my clingfilm balloon will get above 35km if I figure out how to make it :) either that or stick to the car
[12:39] <NigelMoby> I agree, been so close the last few flights
[12:39] <edmoore> and we need to figure out what the hell is going on around 35-36km
[12:40] <NigelMoby> I think its a pressure increase of some sort
[12:40] <edmoore> we haven't been that high since about 2008/9 - the last time we were doing stuff with with 3kg balloons, and the same thing happened then
[12:40] <fsphil> upper limit of the material probably
[12:40] <fsphil> limitation of latex?
[12:40] <edmoore> rjharrison: your 3kg also bottomed out didn't it
[12:40] <edmoore> well, levelled off
[12:40] <rjharrison> Yep
[12:40] <edmoore> fsphil: but it doesn't burst there
[12:40] <edmoore> it floatd
[12:40] <edmoore> floats*
[12:40] <rjharrison> I have psensor on icarus III
[12:40] <NigelMoby> Very odd
[12:41] <rjharrison> not yet used in earnest
[12:41] <fsphil> with enough latex the gas won't have enough pressure to burst it
[12:41] <edmoore> rjharrison: what kind of sensor?
[12:41] <fsphil> wait yea
[12:41] <rjharrison> diff p sensor
[12:41] <edmoore> fsphil: this is what i think too
[12:41] <rjharrison> ! abs
[12:41] <edmoore> but there are other phenomena
[12:41] <edmoore> like the oscillation
[12:41] <NigelMoby> Also the temp
[12:42] <rjharrison> I think osc is what happens to anything in float
[12:42] <edmoore> and i don't know if its bouncing up and down relative to an air mass, or staying still within a bouncing air mass - like a gravity wave
[12:42] <edmoore> we need a sensitive abs pressure sensor to determine this
[12:42] <rjharrison> Yep what have you got in the draws there ed
[12:42] <NigelMoby> It's a mystery that needs solving
[12:43] <edmoore> rjharrison: will have a poke
[12:43] <NigelMoby> Wonder if a pico payload on a latex balloon is doable
[12:43] <edmoore> a vacuum sensor is probably the thing
[12:44] <edmoore> NigelMoby: the hoyees have 1cm dia necks
[12:44] <edmoore> so if you could stick it in a pcb tube inside the neck, we'd be laughing
[12:44] <rjharrison> edmore abs p sensors that have resolution at hab alt are rare / expensive
[12:44] <edmoore> 10cm*
[12:45] <edmoore> the 1.6kg hoyee, this is
[12:45] <rjharrison> Vac senor sounds better
[12:45] <NigelMoby> Ahh I see, that's helpful, just need to make sure its well sealed
[12:45] <Laurenceb> the measurement specialities sensor might work
[12:46] <rjharrison> My next mission is a float with psensor and cut down on coastal proximity
[12:46] <Laurenceb> email t.wenz@amsys.de
[12:47] <Laurenceb> measurement specialities sales rep
[12:47] <NigelMoby> Oo
[12:48] <NigelMoby> I'm guessing the standard sparkfun type sensors won't be sensitive enough?
[12:49] <rjharrison> Correct
[12:50] <rjharrison> You want sensitivity right at the end of the scale plus working at low temps = specialis sensor
[12:50] <NigelMoby> Wonder if maxim do anything good enough
[12:50] <edmoore> NigelMoby: dunno
[12:50] <edmoore> lets work it out
[12:50] <edmoore> we have oscillation on the order of 200m aplitude
[12:50] <edmoore> at, say, 36km
[12:50] <NigelMoby> Yup
[12:51] <edmoore> so http://www.grc.nasa.gov/WWW/K-12/airplane/atmosmet.html
[12:52] <edmoore> you calc pressure at 35900m, i'll do 36100m
[12:52] <edmoore> then we'll see the difference
[12:53] <NigelMoby> Got ya
[12:56] <edmoore> i make it 503Pa and 489Pa respectively
[12:56] <edmoore> so we need something that can measure a 15Pa difference reliably
[12:56] <edmoore> really we need single pascal accuracy i think
[12:57] <NigelMoby> Blimey
[12:57] <edmoore> at of the order of 0-1kPa
[12:57] <edmoore> so that's the sensor we need - which I guess means a vacuum one
[12:57] <NigelMoby> Yup, not gonna b cheap
[12:57] <edmoore> nope
[12:58] <edmoore> might be a time for cusf to flex it's financial muscle
[12:58] <edmoore> (a joke ^)
[12:58] <NigelMoby> Unless...I could ask at cardiff uni
[12:59] Action: SpeedEvil wonders about home-rolled sensors
[12:59] <NigelMoby> I only know people in the astronomy dept though..hmm
[13:00] <edmoore> i think it must be a fairly off the shelf thing for physics/chemistry experiments
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[13:01] <NigelMoby> I have an idea...
[13:02] <edmoore> this might work for balloon differential, which we also want http://onecall.farnell.com/sensirion/sdp1108-r/sensor-pressure-500pa/dp/1696082
[13:02] <edmoore> NigelMoby: shoot
[13:02] <NigelMoby> I'll pm u, just logging in to desktop
[13:04] <edmoore> that diff sensor datasheet claims 0.2% full range (500Pa) error between 0-100Pa differential
[13:04] <edmoore> in other words 1Pa
[13:04] <edmoore> which would do the trick
[13:04] <Laurenceb> yeah i looked at that for pitot
[13:04] <Laurenceb> pitot is a massive pita
[13:05] <edmoore> i would build this is a completely self contained data logger (with gps, temps, abs and diff pressure) in the neck
[13:05] <edmoore> then fly a normal payload underneath it
[13:05] <Laurenceb> i think 2Pa rms error at 15sps is possible with a 26pc01smt sensor and ltc2481 adc
[13:05] <Laurenceb> my present board is too noisy to reach that
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[13:06] <edmoore> i thought amazon ads were meant to be targeted
[13:06] <Laurenceb> measurement specialities have i2c sensors with ~1pa noise
[13:06] <edmoore> i've just been offered a hair straightener and caitlin moran's autobiography
[13:07] <Laurenceb> but a few weeks until they available to noobs like us
[13:07] <daveake> edmoore lol
[13:07] <NigelMoby> Lol
[13:07] <Laurenceb> sensortechnics have some good stuff, but its expensive and bigish
[13:08] <edmoore> mmm
[13:08] <edmoore> we used an old omegadyne thing in SSHADT
[13:08] <NigeyS> edmoore, ijust keep getting sent viagra emails :| *sigh*
[13:08] <edmoore> but it was expensive and heavy
[13:09] <Laurenceb> best to ask measurement spec by email
[13:10] <Laurenceb> looks like they will have some really nice sensors if they ever ship
[13:10] <edmoore> expensive looking though, as you say
[13:11] <Laurenceb> also cant be shut down aiui
[13:11] <Laurenceb> i want my autopilot board to be able to go to <1ma current
[13:12] <Laurenceb> the sensortechnics i2c sensors draw 3ma
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[13:19] <NigeyS> edmoore, that farnell sensor would work ?
[13:20] <edmoore> as a differential, i think so
[13:20] <edmoore> with a good adc
[13:20] <Laurenceb> yes
[13:21] <Laurenceb> ive got down to 2Pa rms noise with the honeywell 26pc01smt
[13:21] <Laurenceb> using ltc2481 adc
[13:21] <edmoore> we can go kalman on its ass too
[13:21] <edmoore> so to speak
[13:21] <Laurenceb> looool
[13:22] <Laurenceb> annoyingly my itg3200 gyro chucks out high frequency noise
[13:22] <Laurenceb> thats interfering with the pitot
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[13:23] <Laurenceb> really need a choke or two between the sensor and anythign else
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[13:25] <edmoore> yes - diff pressure is ually a bridge
[13:25] <edmoore> so if theres not much delat p[ressure (eg on the bench) the gain on noise will be huge
[13:25] <NigeyS> 73quid :|
[13:26] Action: NigeyS is poor! lol
[13:26] <edmoore> we used our pitot sensor as a secondary means of debugging whether or not the radio was working
[13:26] <Laurenceb> huh whats 73?
[13:26] <edmoore> NigeyS: yes 73 squids is a bit much to risk on a balloon
[13:26] <edmoore> we'll try and find someone else's money to spend
[13:26] <Laurenceb> 24pc01smt is cheaper
[13:26] <NigeyS> i dont mind paying it, but i dam sure want it back! lol
[13:27] <edmoore> :)
[13:27] <edmoore> it could be another ukhas launch!
[13:27] <NigeyS> swimming after the payload is totally acceptable when things like that are on board lol
[13:27] <edmoore> after the enormous success of ukhas 1
[13:27] <Darkside> whats this?
[13:27] <Darkside> NigeyS: 73 quid? that all?
[13:27] <Darkside> >_>
[13:27] <edmoore> a ukhas-wide launch
[13:27] <Darkside> remember, we killed a 300 quid video camera
[13:28] <NigeyS> im poor! its alot of money for a sensor lol
[13:28] <Laurenceb> http://uk.farnell.com/jsp/displayProduct.jsp?sku=1225330&CMP=KNC-GUK-FUK-GEN-SKU-DGA&s_kwcid=TC|13123|24pc01smt||S|p|8220813909
[13:28] <Laurenceb> cheap as chips
[13:28] <Darkside> FUK-GEN
[13:28] <Darkside> is all i read in that URL
[13:29] <NigeyS> lol
[13:29] <NigeyS> 10-12v supply :|
[13:29] <Laurenceb> nope
[13:29] <Laurenceb> its just a bridge
[13:29] <Laurenceb> i run on 3.3v
[13:29] <NigeyS> ahh
[13:29] <Laurenceb> http://uk.farnell.com/linear-technology/ltc2481cdd-pbf/ic-sm-adc-delta-sigma-16-bit/dp/1330939?Ntt=ltc2481
[13:29] <Laurenceb> and that, but youd need a pcb
[13:30] <Laurenceb> i could give you a spare dactyl board i guess
[13:30] <NigeyS> Operating Temperature Range:0°C to +70°C
[13:30] <NigeyS> wouldnt work
[13:30] <Laurenceb> ignore that :P
[13:30] <NigeyS> lol
[13:30] <Darkside> whatcha putting on there NigeyS ?
[13:30] <Darkside> pressure sensor?
[13:31] <edmoore> we'll have to shield this well
[13:31] <NigeyS> yeah, i want to get 1 inside the balloon
[13:31] <Laurenceb> or get a LTC2481I
[13:31] <edmoore> a metal enclosure with twisted pair to it
[13:31] <edmoore> and good metal-bodied connectors
[13:31] <edmoore> for 100% coverage
[13:31] <NigeyS> oh eck, thats a bit over my skillset :|
[13:31] <Laurenceb> id worry about sticking the sensor in a seperate place to the adc
[13:32] <edmoore> no better time to learn :)
[13:32] <Laurenceb> i had enough issues with inductive pickup from the arm
[13:32] <Laurenceb> needed a 0402 100nF cap on the side of the adc
[13:32] <NigeyS> edmoore, true
[13:32] <NigeyS> 0402? tiny teeny!
[13:33] <Laurenceb> bah
[13:33] <edmoore> i'd encapsulate it all in the same shielded box
[13:33] <edmoore> then run digital comms to the outside world
[13:33] <Laurenceb> 01005 is where its at
[13:33] <Laurenceb> yeah thatd be ok
[13:33] <Laurenceb> but it shouldnt complaint too much as long as the power supply is cleanish
[13:34] <edmoore> maybe pot it
[13:34] <edmoore> just cos potting is fun
[13:34] <Laurenceb> i got ~10pa rms noise when the itg3200 was chucking spikes all over the rail
[13:34] <rjharrison> http://uk.farnell.com/freescale-semiconductor/mpxv5004dp/ic-sensor-pressure/dp/1457165 this is what i'm using on icarusIII
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[13:35] <Laurenceb> eww 5v
[13:35] <Laurenceb> but yeah the freescale stuff is used by ardupilot for pitot, apparently it... works
[13:35] <rjharrison> can't win them all plus I have 3.3 and 5v rails
[13:35] <Zuph> MPXV sensors work pretty well, although we havne't try running them ragged.
[13:35] <Zuph> *tried
[13:36] <rjharrison> http://www.robertharrison.org/images/icarus3/Icarus%20III.JPG at the top
[13:37] <edmoore> pretty
[13:37] <edmoore> ok, so we need:
[13:37] <edmoore> 1 off precison delta p
[13:37] <edmoore> 1 off precision abs p
[13:37] <edmoore> 2 x precion temp
[13:38] <edmoore> for inside the balloon and out
[13:38] <Laurenceb> looks good
[13:38] <Laurenceb> some traces are a little... odd
[13:38] <NigeyS> very nice rob !
[13:38] <edmoore> maybe the inside should be on a bit of piano wire say 50cm inside the balloon
[13:38] <rjharrison> Laurenceb, yep I learnt not to autoroute from this
[13:39] <Laurenceb> heh
[13:39] <edmoore> there is also going to be a pressure gradient inside the balloon
[13:39] <edmoore> of order 1Pa
[13:40] <edmoore> that might be lost in the noise though
[13:40] <edmoore> but it's ~10m between top and bottom
[13:40] <Laurenceb> heh
[13:40] <rjharrison> humm yep
[13:40] <rjharrison> I'll take that in the noise :-)
[13:41] <edmoore> well if we're looking for 1Pa differences..
[13:41] <edmoore> as long as the diff pressure taps are within 1m of each other vertically, we'll be fine
[13:42] <edmoore> calibrating this could be fun
[13:42] <rjharrison> valid point edmoore
[13:42] <Zuph> Damnit, your guys' cool science is distracting me from boring work.
[13:43] <edmoore> we used this to calibrate the SSHADT pitot http://www.cuthbertsonlaird.co.uk/Detail.asp?ProdID=650
[13:43] <edmoore> needless to say we borrowed it
[13:43] <fsphil> haha, know the feeling Zuph
[13:43] <edmoore> Zuph: I'm fired up! This is a hab frontier
[13:43] <edmoore> a new region to explore
[13:44] <edmoore> interesting shit happens in this band
[13:44] <edmoore> not just up-pop-'ooh pictures!'
[13:44] <rjharrison> PHD hee somewhere
[13:44] <edmoore> optimistic :)
[13:44] <edmoore> but useful to figure out what is happening there, and so how we break through and get the altitude record
[13:46] <edmoore> which is actually a zp at 41km so could be tricky
[13:46] <Zuph> A useful aside: White star may have a lead on getting all the archived balloon papers freed from copyright. (Very tentative)
[13:46] <edmoore> but still if we could routinely float that would be useful too
[13:46] <edmoore> Zuph: i'd be all over that like a rash
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[13:54] <edmoore> I notice people around at the ukhas 1 launch like Laurenceb have remained silent when i brought it it :o)
[13:54] <edmoore> brought it up*
[13:55] <Laurenceb> im busy with other stuff, sorry
[13:55] <edmoore> you don't remember how much fun ukhas 1 was
[13:55] <edmoore> obv
[13:57] <fsphil> I'm guessing it all went well and there where no issues at all ;)
[13:59] <rjharrison> edmoore, arte you at work today
[14:00] <rjharrison> I have spent the last hour tinking about HAB and ! (PHP & mysql)
[14:00] <edmoore> snap
[14:00] <edmoore> well i am working too
[14:01] <rjharrison> Humm my wife is better at the // stuff
[14:01] <edmoore> having a discussion in the office about an air mortar for testing chute deployment
[14:01] <edmoore> we have just design a 15cm orifice diameter valve for high pressure gas
[14:02] <edmoore> that should only cost about £100 squid
[14:02] <edmoore> and deploys in just a couple of ms
[14:02] <edmoore> that should kick the parachute out just about
[14:03] <rjharrison> id the MBA with you
[14:03] <rjharrison> s/d/s
[14:03] <Darkside> launch that out of a cannon
[14:03] <edmoore> is
[14:03] <edmoore> no
[14:03] <Darkside> it'd suvive
[14:03] <edmoore> i doubt it
[14:04] <Darkside> don't worry edmoore, no mac hate from me
[14:04] <Darkside> i have a macbook pro
[14:04] Action: rjharrison wonders how to purchase an MBA for IT when everthing else is dell
[14:05] <edmoore> you got an ex+f1 for mugshots
[14:05] <edmoore> surely if you can get away with that kind of bullshit, anything is possible
[14:05] <rjharrison> lol
[14:05] <rjharrison> You have a good memory sir
[14:06] <edmoore> i recall everything
[14:06] <edmoore> i work with esa - you have to
[14:06] <rjharrison> Launching the ex-f1 might be a tad trickier
[14:07] <edmoore> gone are my days on innocense
[14:07] <edmoore> rjharrison: true
[14:07] <edmoore> though our one has flown many times
[14:08] <rjharrison> Yes, I may yet get that circuit off you for triggering
[14:08] <edmoore> i made a cable bundle that comes out of a grommet in the side and ends in a connector
[14:08] <edmoore> it lets you do high speed, normal, etxc
[14:08] <rjharrison> iirc it wasn't quite straight forward
[14:09] <edmoore> there's no circuit really, just carefully dead-bugging small mosfets onto the camera pcb to trigger things
[14:09] <edmoore> it's fiddly
[14:09] <edmoore> but not clever
[14:09] <edmoore> i have to do 4
[14:09] <edmoore> there are 4 new ones on my desk right now
[14:09] <rjharrison> Yeah, thats the bit I remember
[14:09] <rjharrison> ooh cool
[14:10] <rjharrison> I'll pop mine in the post then :)
[14:10] <edmoore> i'll do a blog post
[14:11] <edmoore> going to stick a female lemo plug on the bottom
[14:11] <edmoore> i think there's some space there
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[14:11] <edmoore> near the tripod mount
[14:11] <rjharrison> Cool
[14:12] <rjharrison> Add some gyros to your next launch
[14:12] <rjharrison> Assuming this would keep the cam on target
[14:13] <rjharrison> :1
[14:14] <edmoore> target = balloon = up
[14:14] <edmoore> i'm a bit hesitant to faff too much with gyros
[14:14] <edmoore> they're buggers
[14:15] <edmoore> control gyros, that is
[14:15] <edmoore> i have a paper concept for a good yaw control wheel design
[14:15] <edmoore> better than the stupid one in my thesis
[14:15] <edmoore> time as ever
[14:16] <edmoore> you just need staggeringly low friction to do things like astrophotography
[14:17] <edmoore> my monologue coefficient is growing
[14:18] <daveake> I bet you say that to all the boys
[14:18] <rjharrison> lol
[14:18] <rjharrison> I need to do some bloody work
[14:18] <edmoore> rjharrison: osx now ships with postgres
[14:18] <rjharrison> All my stall are hard at it and I'm just tossing it off on ha
[14:18] <edmoore> might be harder to justify
[14:18] <rjharrison> cool
[14:18] <edmoore> if you're a mysql shop
[14:18] <SpeedEvil> edmoore: I was wondering a while ago about a simple hack.
[14:19] <edmoore> not that installing mysql isn't peasy
[14:19] Action: fsphil was playing with couchdb this-morning
[14:19] <SpeedEvil> edmoore: Take a supermagnet ball - say 50mm in diameter
[14:19] <SpeedEvil> edmoore: Polarise n-s
[14:19] <edmoore> fsphil: what do you think?
[14:19] <rjharrison> postgres was like what we used before mysql came along
[14:19] <edmoore> it's cool isn't it
[14:19] <fsphil> quite like it - thinking up plans for it already
[14:19] <SpeedEvil> surround with a plurality of coils to be able to spin it in any direction.
[14:20] <Laurenceb> http://dsc.discovery.com/videos/mythbusters-fruit-stand-crash-high-speed.html
[14:20] <edmoore> hmm....
[14:20] <edmoore> you need 3 axis worth of gyros to do 3
[14:20] <edmoore> sorry, to control 3 degs of freedome
[14:20] <edmoore> i think the ball might only give you two
[14:20] <edmoore> and there are gimbal lock issues
[14:20] <SpeedEvil> Ah
[14:21] <edmoore> if you need to apply a torque about you current spin axis you're stuffed
[14:21] <SpeedEvil> yeah - yaw is only due to speedup/slowdown
[14:21] <SpeedEvil> which is an issue
[14:21] <edmoore> oh i see
[14:21] <edmoore> i thought you qwere usinf precession
[14:21] <edmoore> sorry typing fail
[14:21] <edmoore> using precession
[14:21] <SpeedEvil> Basically using the fact that it has some sort of momentum in all 3 spin axes
[14:22] <SpeedEvil> And you can torque against that without really caring what sort.
[14:22] <SpeedEvil> I suspect it'll work less well when actual numbers and attempt at a design is made. :)
[14:23] <edmoore> like all the best ideas!
[14:23] <SpeedEvil> The design gets lots less tractable once you use other than copper and the ball in the design.
[14:23] <SpeedEvil> Oh!
[14:23] <SpeedEvil> That thought was a sideways jump from what I meant to bring up.
[14:23] <SpeedEvil> You can use the same idea for pressure measuring.
[14:24] <SpeedEvil> You take a levitating ball bearing, spin it up, and then measure the spin-down to get a very accurate pressure reading
[14:24] <Laurenceb> i have an idea, 2L coke bottle and hot wire sensor
[14:24] <Laurenceb> at a small hole in the cap
[14:24] <edmoore> SpeedEvil: oic. just from skin drag?
[14:24] <SpeedEvil> hmm
[14:24] <SpeedEvil> edmoore: exactly
[14:25] <SpeedEvil> I got it from an old issue of 'Vaccum'
[14:25] <edmoore> you have some discontinuities to calibrate for though
[14:25] <edmoore> like turbulent/laminar transitions
[14:25] <SpeedEvil> It was quite tractable.
[14:25] <Laurenceb> you can get grain or rice lamps for RS
[14:25] <Laurenceb> and decap them
[14:25] <SpeedEvil> Browsing 40s/50s/60s technical journals is much better than todays.
[14:25] <SpeedEvil> In some ways.
[14:25] <Laurenceb> then place one in a hole drilled in 2l coke bottle cap
[14:25] <Laurenceb> ~0.5mm hole
[14:26] <SpeedEvil> Laurenceb: You're assuming the volume is constant, and measuring the wind?
[14:26] <Laurenceb> yes
[14:26] <SpeedEvil> This is to measure ambient pressure?
[14:27] <Laurenceb> no, to detect d(p)/dt
[14:28] <SpeedEvil> err - well - yes, obviously. :)
[14:29] <Laurenceb> so gravity waves wouldnt show
[14:29] <Laurenceb> but balloon oscillations would
[14:30] <cuddykid> don't believe royal mail customer service - no matter how many options I go through I cannot get to a real person
[14:30] <cuddykid> easy radio guy gave me wrong postcode so they're lost!
[14:41] <cuddykid> ergh
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[14:59] <rjharrison> edmoore's finally got back to work ;-)
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[15:01] <NigeyS> hehe
[15:04] <daveake> Just been playing with some "super-resolution" software that tries to enhance a video frame by processing other nearby frames from the same video.
[15:05] <nickolai89> morning all
[15:05] <daveake> I wondered if it could rescue the appalling quality of a keyfob "spy" camera.
[15:05] <daveake> It gets it up to just a little bit better than a still frame from the same camera.
[15:06] <daveake> So it's still appalling lol
[15:08] <fsphil> that would make some great images from the hd hero
[15:09] <daveake> Well, next step is try it with the HD video from my Zx1
[15:09] <daveake> Seeing as I didn't get any stills from my Canon because of <cough> operator error, then this might be useful :)
[15:11] <fsphil> good thinking
[15:12] <daveake> I'm looking at doing a lightweight HAB ... is there something reasonable quality but say 50g all-in? Zx1 is 91g and needs 4 AAs to run long enough.
[15:13] <daveake> Keyfob thing is only a few grams but is, as you know, shite
[15:14] <fsphil> other than the gopro, I don't know any - sony make some very small and good HD cameras but they need a heavy box to do the actual recording
[15:14] <SpeedEvil> You can often strip cameras significantly.
[15:15] <daveake> Yes, that's a definite option.
[15:16] <fsphil> (take that back, gopro is 94g including battery)
[15:16] <daveake> With the Zx1, I could use just the 2 AAs if I switch the thing on for short periods only. That'd need some disassembly too.
[15:16] <daveake> Better :)
[15:21] <NigeyS> hmm some very interesting data fro picochu-1's flight
[15:22] <daveake> oh?
[15:24] <NigeyS> ya, just going through some graphs from Rocketboy now
[15:24] <Dan-K2VOL> good morning all! NigeyS what did ya find
[15:24] <NigeyS> some rather odd behaviour
[15:24] <NigeyS> a very stable, consistent ascent rate ascent rate
[15:25] <fsphil> didn't it change speed a couple of times?
[15:25] <NigeyS> very minor, we saw a drop to 1.7 a few times, but overall it seems fairly fixed at 2.0m/s
[15:26] <NigeyS> steves also taken some data lines out that caused a bit of noise which has helped
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[15:33] <Zuph> Morning Dan-K2VOL.
[15:38] <daveake> OK, here's a single frame from the Zx1 video: http://dl.dropbox.com/u/368443/One%20Frame.jpg
[15:38] <Dan-K2VOL> morning zuph!
[15:38] <daveake> And here's the result of combining several adjacent frames - http://dl.dropbox.com/u/368443/Combined%20Frames.jpg
[15:39] <daveake> IMO there's a bit more detail, and quite a lot less noise.
[15:40] <fsphil> def. more detail in the clouds yea
[15:40] <Dan-K2VOL> looks good daveake
[15:40] <Dan-K2VOL> more resolution too?
[15:40] <Dan-K2VOL> more pixels?
[15:40] <daveake> Yes, but it's how much detail it manages to find that counts, rather than the actual pixel count
[15:41] <daveake> The program I used offers same and double pixels (in each direction), plus another option with yet more pixels
[15:42] <daveake> It needs a few frames with the same view (ish), which with my unstable payload isn't easy ;)
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[16:04] <fsphil> ping m1x10
[16:10] <edmoore> daveake: maybe my monitor is crap but I don't see much difference
[16:11] <edmoore> it's only slightly lower noise which you'd expect - gassian noise has an autocorrelation of 0 right - but it's not improving on some of the underlying problems with the camera
[16:12] <edmoore> it would need a better model of the camera
[16:12] <daveake> Less noise in the sky
[16:13] <edmoore> true
[16:13] <edmoore> i'm sure we could do better
[16:13] <daveake> I did have a better camera too, but a slight operator issue prevented it taking photos ... :)
[16:13] <edmoore> what overlaying algorithm did you use?
[16:13] <daveake> The one where you google for a program that already does it .....
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[16:13] <daveake> .... you don't think I have time to actually code interesting stuff, do you? ;)
[16:14] <edmoore> ah but think of bayes rule
[16:14] <edmoore> it's a religion that spurs you on
[16:15] <edmoore> the whole world is model + noise
[16:15] <daveake> If you can find a religion that gets more hours in the day, sign me up
[16:16] <edmoore> 25-hour-day-ism
[16:16] <rjharrison> lol
[16:16] <daveake> Any advances on that? ;)
[16:16] <rjharrison> guess work has nearly finnished
[16:17] <daveake> lol
[16:17] <Dan-K2VOL> Oh just go to mars daveake and pick any religion you like
[16:17] <daveake> Do they have internet there?
[16:17] <Dan-K2VOL> yes
[16:17] <daveake> An what's the HAB altitude record?
[16:18] <Dan-K2VOL> albeit you're going to have to deal with internet over DTN
[16:18] <Dan-K2VOL> so you'd best dust off your fidonet skills
[16:18] <daveake> "dust"
[16:18] <Dan-K2VOL> oh, I think zero meters is the hab record on mars
[16:19] <daveake> Old quote: "It's currently a problem of megabits through punybaud"
[16:19] <Dan-K2VOL> though we've got a damn impressive comm satellite network there on mars
[16:19] <Dan-K2VOL> considering we don't even live there
[16:20] <daveake> No worries about GPS and 60,000 feet.
[16:20] <Dan-K2VOL> ha no, sadly, you're probably going to have to use a map
[16:21] <daveake> And no next-day delivery from Farnell :(
[16:21] <daveake> I'm going off the idea ... lol
[16:21] <rjharrison> daveake, http://nssdc.gsfc.nasa.gov/planetary/factsheet/marsfact.html
[16:23] <Dan-K2VOL> well for those looking for more distraction, a lovely article on the Delay Tolerant Network, designed for Interplanetary Internet access is here: http://www.centauri-dreams.org/?p=16983
[16:23] <daveake> Not much atmosphere, but it is 95.32% CO2. That's gotta help .. ;-)
[16:24] <rjharrison> escape vel. is low too
[16:24] <daveake> True
[16:24] <Dan-K2VOL> hmm wonder how much that changes helium lift, perhaps we should have a planet selection in the burst predictor :-P
[16:24] <daveake> lol
[16:25] <rjharrison> is it 2211
[16:26] <mattltm> I see its all kicked off in London again :(
[16:27] <rjharrison> We're going to need to practice the olympic opening cermony some more I think
[16:29] <daveake> Perhaps the Olympic rifle teams need some target practice
[16:30] <mattltm> Lol. 100% with you there :)
[16:34] <m1x10> ping fsphil
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[16:45] <cuddykid> right.. time to build a nichrome cutdown device - I was thinking making a device that bends the nylon cord round a few bends and pushes on the nichrome wire then when hot - snap - payload is free! any comments?!
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[16:48] <SpeedEvil> Sounds reasonable
[16:48] <SpeedEvil> I prefer ceramic resistors - but that's me.
[16:49] <cuddykid> got one of them too, I'll experiment :)
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[16:49] <cuddykid> after the past couple of flights with Hwoyees - don't want to take the risk of have a floater for hours!
[16:51] <fsphil> sorry m1x10, was afk for a while there
[16:51] <fsphil> have you got any images from the linksprite handy?
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[16:59] <m1x10> ee
[16:59] <m1x10> what images?
[16:59] <m1x10> taken by me ?
[17:00] <m1x10> I have many
[17:02] <eroomde> yo
[17:07] <Zuph> Dan-K2VOL: For reference, helium provides roughly 8.8 milliigrams per litre lift on a martian summer afternoon.
[17:08] <daveake> Slightly sub-optimal then
[17:09] <Darkside> lol
[17:09] <Dan-K2VOL> ah interesting!
[17:09] <m1x10> fsphil we talk later i need to go
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[17:09] <Dan-K2VOL> we'd probably just make hydrogen from all the water anyway :-P
[17:12] <daveake> True :)
[17:13] <Zuph> Good thing on mars your T tank of helium expands to 1500 m^3
[17:14] <stilldavid> Dan-K2VOL: you guys going to MFNY as well?
[17:14] <daveake> I can see the ordering convo now ... "How many balloons will you be filling?". "Just the one". "Okaaaay, and what's the delivery address?" "Mars". [clunk#]
[17:16] <Zuph> stilldavid: We will if we can get a Sparkfun grant to show up :-p
[17:16] <stilldavid> I so wish we did that sort of thing.
[17:18] <eroomde> the trouble is all your customers are sponsorable special cases
[17:18] <eroomde> all worthy amateurs
[17:18] <eroomde> not like digikey sponsoring you
[17:19] <Zuph> stilldavid: March that request straight up to Seidle's desk.
[17:19] <stilldavid> exactly, edmoore. If I had a dollar for ever puppy-eyed high school student I had to turn down at ... everywhere we go :(
[17:19] <Dan-K2VOL> stilldavid the money is the problem, white star's meager savings took in less in donations than we spent on materials to do the makerfaire demo
[17:20] <stilldavid> I'm working on getting some "F-U Money" written in to IT's budget next year so we can throw it at people with our discretion
[17:20] <Dan-K2VOL> but we got fantastic publicitiy
[17:20] <Zuph> Although the insight gained was *possibly* worth the money spent.
[17:20] <stilldavid> Dan-K2VOL: completely understandable :-/
[17:20] <eroomde> Dan-K2VOL: it's difficult to get money sponsorship atm
[17:20] <eroomde> we've always tried v hard to get sponsorship in kind
[17:20] <eroomde> but money is hard
[17:21] <Dan-K2VOL> ah, I'm not looking for sponsorship, we can do this on our current money, but to go to another makerfaire would make the actual ballooning not possible :-)
[17:21] <Zuph> eroomde: Then all they have to do is give us helium, hotel and a rental truck :-p
[17:21] <eroomde> we get free helium from BOC Gases, free embeeded devlopment stuff from Rowley, free x from x-manufacturer
[17:21] <eroomde> but the second you go for money, it's a brick wall
[17:21] <Dan-K2VOL> ah yes
[17:21] <eroomde> we try for prizes
[17:21] <eroomde> and individulas
[17:21] <Dan-K2VOL> we got a really really good deal in Detroit on helium -
[17:21] <eroomde> individuals
[17:21] <eroomde> *
[17:22] <eroomde> our guardian angel is a space enthusiast who lives in cambridge who is also the president of a major economic thinktank
[17:22] <Dan-K2VOL> we rented two 244 cu ft tanks, in case we ruptured, and only drained one tank down to 800psi remaining (of 2200 at start)
[17:22] <eroomde> so he has some money to spend to help pet projects (like us) along
[17:22] <Dan-K2VOL> and the gas company refunded us for all the helium we left in the tanks! I've never had one allow that
[17:22] <Dan-K2VOL> before
[17:22] <Dan-K2VOL> nice eroomde
[17:22] <stilldavid> Dan-K2VOL: that's pretty remarkable, but I guess it makes sense.
[17:22] <eroomde> and you have to spend money to make money. once we had spent his first initial gift, we suddenly found it a lot easier to getmonies
[17:23] <Dan-K2VOL> ahh you *look* more capable at the very least with decent stuff
[17:23] <eroomde> he was pleased with that, from an economic theory pov
[17:25] <eroomde> bbiab
[17:25] <eroomde> Randomskk: going to get me something to eat and drink then should be on l8r
[17:26] <Zuph> stilldavid: We'd also be happy if SF showed up at MF:Detroit :-p
[17:27] <stilldavid> Zuph: I'm not sure why it got the axe this year, I was bummed about that.
[17:27] <stilldavid> Chris and Todd (both in IT) were there just milling about, but no booth or anything obviously
[17:27] <eroomde> nate is becoming The Man
[17:27] <eroomde> hypothesis ^
[17:27] <Zuph> You guys didn't show up last year either.
[17:28] <stilldavid> heh, it's not nate. he would send everyone everywhere all the time if he *really* had his way
[17:28] <eroomde> nate already is The Man
[17:28] <Zuph> stilldavid: You were at Detroit this year?
[17:28] <eroomde> new hypothesis ^
[17:28] <hibby> yawn
[17:28] <Darkside> hmm
[17:28] <Darkside> eroomde: so gonna come to the hackerspace on saturday?
[17:28] <stilldavid> Zuph: no :( I was just getting back from hawaii and minneapolis...
[17:28] <Zuph> ah
[17:28] <eroomde> Darkside: yeah poss
[17:28] <eroomde> well, yes
[17:28] <Darkside> awesome
[17:28] <Darkside> i can talk about project horus :P
[17:28] <eroomde> unless the letting agent tells me the move-in date is this weekend
[17:28] <stilldavid> Zuph: I really want to meet up with y'all one of these days, that's all I'm getting at
[17:28] <eroomde> i could talk about CUSF
[17:28] <Darkside> though its not gonna be anythig massively new to you
[17:28] <stilldavid> beers are owed
[17:28] <eroomde> plenty of pics and videos of sexy thingsa
[17:29] <Darkside> heh
[17:29] <Zuph> heh
[17:29] <Darkside> i have plenty of pics and videos
[17:29] <Darkside> and stories about things landing in the sea
[17:29] <eroomde> lol
[17:29] <eroomde> welcome to our first 2 years
[17:29] <Darkside> yaaaay
[17:29] <Darkside> :D
[17:29] <Darkside> its harder to have a balloon land in the sea in australia
[17:29] <eroomde> we lost more stuff than we got back
[17:29] <Darkside> we did a pretty good job
[17:29] <eroomde> :)
[17:29] <eroomde> right i need beer and bread
[17:30] <eroomde> so bbiab
[17:30] <Darkside> hell, the prediction had it landing really close to the launch site
[17:30] <Darkside> but we accudentally super-pressured
[17:30] <eroomde> lol that's like the g k chesterton quote in one of his books, i forget
[17:30] <eroomde> 'waiter! bring me beans, bacon and a bottle of your finest burgundy!'
[17:30] <eroomde> that's my life ^
[17:30] <hibby> stilldavid: should go meet lvl1
[17:30] <hibby> theyre excentrically wonderful.
[17:31] <stilldavid> just a bit out of my drivable range :)
[17:31] <stilldavid> I should just make a trip one of these weekends...
[17:32] <Dan-K2VOL> you know if you inflate two of those ZP balloons they should float 150 lbs at about 1000ft agl :-P
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[17:33] <Dan-K2VOL> stilldavid the helium would be more expensive than a plane ticket though!
[17:34] <stilldavid> heh, funny thing, perspective :)
[17:40] <hibby> i came from scotland to meet them!
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[17:42] <Dan-K2VOL> we had a blast with Hibby at makerfaire!
[17:43] <stilldavid> rub it in :(
[17:43] <Dan-K2VOL> Hibby even got to recover hangover curled up on the floor behind the white star demonstration :-P
[17:43] <stilldavid> sounds like maker faire, alright :)
[17:43] <stilldavid> bbl, lunch
[17:43] <Dan-K2VOL> I just got back from a week driving through canada
[17:43] <Dan-K2VOL> ttyl stilldavid!
[17:43] <Dan-K2VOL> we're gonna try to see if we can go to MFNY, we'll see
[17:45] <cuddykid> good old paper clips - can do all the modelling/prototyping with them!
[17:45] <Dan-K2VOL> lol cuddykid, what are you modeling
[17:45] <cuddykid> cut down device :)
[17:46] <hibby> haaa
[17:46] <cuddykid> something that bends the cord round and pushes on nichrome wire so when hot it will slice through :D
[17:46] <hibby> it was a bad one
[17:46] <hibby> bourbon based, i think.
[17:47] <hibby> when they brought out the irish whiskey, i gave up.pretending that i may leave relatively sober.
[17:47] <Dan-K2VOL> haha
[17:48] <Dan-K2VOL> that was the party at the hackerspace wasn't it?
[17:48] <hibby> aye
[17:48] <hibby> was there an afterparty?
[17:48] <Dan-K2VOL> i3 detroit was quite hospitable with so much free drink!
[17:48] <hibby> i dont remeber leaving i3
[17:49] <Dan-K2VOL> haha I was the only sober one, and I had to push you and 8 people from LVL1 out the door cause the detroit guys were trying to wash the beer glases in your hands and turn out the lights
[17:49] <Dan-K2VOL> we closed that party down!
[17:49] <hibby> i dobt actually remember much after being introduced to root beer. its all very vivid, and then drops off like bad packets
[17:49] <Dan-K2VOL> hahaha
[17:50] <hibby> that must have been at 430ish?
[17:50] <Dan-K2VOL> aye indeed :-)
[17:50] <hibby> their twitter says they closed about 5
[17:51] <Dan-K2VOL> when we left it was all just locals left cleaning up
[17:51] <hibby> hahah
[17:51] <Dan-K2VOL> that was definitely the best hackerspace party I've been to
[17:52] <hibby> obviously. i was there
[17:52] <Dan-K2VOL> quite nice to see so many cute girls - UK guys, do a makerfaire, they aparently bring cute girls out to see your geek projects!
[17:52] <Dan-K2VOL> haha
[17:52] <hibby> were planning one in glasgow
[17:53] <hibby> tenratively called McMake
[17:53] <Dan-K2VOL> hahahaha I love it
[17:53] <hibby> with real kilts
[17:53] <fsphil> that's worth a visit!
[17:54] <fsphil> there was a maker event not that long ago somewhere in england
[17:55] <Dan-K2VOL> nice, I vaguely recall hearing mention of that too
[17:55] <hibby> newcastle uni.appears to have them
[17:55] <fsphil> that's the one
[17:56] <fsphil> battered arduino... mmm
[17:56] <hibby> hahs
[17:57] <mattltm> http://www.brightondome.org/events/Mini-Maker-Faire/4238
[17:57] <mattltm> Brighton Maker Faire
[17:57] <mattltm> Sat 3rd September
[17:58] <mattltm> http://www.makerfairebrighton.com/
[17:58] <fsphil> that's no good.. why can't they move it to the same weekend as the ukhas conference
[17:58] <mattltm> Better link.
[17:58] <mattltm> Because they know that I am away for the UKHAS one :)
[18:01] <hibby> gawd!
[18:02] <hibby> phil wants the nerd wimmins
[18:03] <fsphil> ayye.. dem geeky gerls
[18:04] <Randomskk> edmoore: sure, I just finished woking up a delicious yakisoba stirfry, give me a shout when you're ready
[18:04] <Darkside> hmm what should i call my HAB talk
[18:04] <Darkside> Project Horus: HAB in Australia
[18:04] <Darkside> ?
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[18:05] <fsphil> going up down under
[18:06] <hibby> fsphil: we're a bit creepy, eh?
[18:06] <Darkside> hahahaha
[18:06] <fsphil> totally lol
[18:06] <Darkside> fsphil: nice
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[18:06] <Darkside> i'm using that
[18:06] <fsphil> haha
[18:07] <fsphil> I was suppose to be going to scotland later in the year but not looking like that's going to happen now
[18:09] <hibby> scotlands shit
[18:09] <hibby> dont go
[18:09] jcoxon (~jcoxon@92.40.253.161.threembb.co.uk) joined #highaltitude.
[18:10] <Darkside> oh you're fucking kidding me
[18:10] <Darkside> i dont have iWork
[18:11] <fsphil> I've been to scotland lots of times, it's brilliant :)
[18:11] <fsphil> it's like here only colder
[18:12] <jcoxon> eveninig all
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[18:13] <fsphil> hullo jcoxon
[18:13] <Darkside> woo, downloading iWork 09
[18:14] <jcoxon> hey
[18:14] <jcoxon> no work tomorrow !
[18:14] <jcoxon> woohoo
[18:15] <Randomskk> nice :D
[18:15] <Randomskk> how is the new gig?
[18:15] <jcoxon> ridiculously hard work
[18:15] <jcoxon> but money is good
[18:15] <jcoxon> got offered to do locum next week 3 night shifts
[18:15] <jcoxon> and would get 1500 gbp
[18:16] <jcoxon> but can't as i'm already doing 4 night shifts that week
[18:16] <jcoxon> would never survive 7 nights
[18:16] <Randomskk> 1500gps for 3 nights, blimey
[18:16] <Randomskk> gbp even
[18:16] <jcoxon> hehe
[18:16] <Randomskk> really makes you put a price on your sanity huh :P
[18:16] <jcoxon> 1500 gpses!
[18:16] <jcoxon> woohoo
[18:16] <jcoxon> physically i couldn't do it
[18:17] <jcoxon> then i'd make mistakes and bad things would happen
[18:17] <Randomskk> yea, I can imagine
[18:17] <Randomskk> would they even allow that?
[18:17] <jcoxon> i'd get extra time off
[18:17] <jcoxon> european working time directive works on an averaging system
[18:17] <Randomskk> right
[18:18] <Randomskk> unlike the human body over the period of a few days? :P
[18:18] <jcoxon> hehe
[18:18] <jcoxon> anyone got eagle libs for ublox modules?
[18:20] <Darkside> nope...
[18:20] <Darkside> how hard is ot to make components in eagle?
[18:20] <Darkside> its piss easy in altium
[18:21] <Randomskk> it's not that hard, but testing and verification can be an expensive mistake :P
[18:22] <eroomde> yo
[18:22] <eroomde> jcoxon: paparazzi autopilot has some
[18:22] <eroomde> for the 4s and 5s
[18:22] <eroomde> that's what i used for badgers
[18:23] <eroomde> retarded thing
[18:23] <jcoxon> oh thats definitely broken
[18:24] <jcoxon> eroomde, thanks
[18:24] <eroomde> i would email it you but it's on the dead machine
[18:24] <eroomde> haven't put eagle of this one yet
[18:25] <eroomde> Randomskk: yo
[18:25] <NigeyS> evening jcoxon
[18:25] <NigeyS> reports online
[18:25] <eroomde> nigey.co.uk - awesome url!
[18:25] <Randomskk> hiya
[18:25] <NigeyS> hehe
[18:25] <NigeyS> had that for years
[18:25] <eroomde> i can imagine
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[18:25] <eroomde> not the kind of thing that's stilla round now
[18:26] <NigeyS> nope, all the good domains were snapped up way back :/
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[18:27] <hibby> some gooduns still exist
[18:28] <hibby> i recently got paddleporn.com
[18:28] <NigeyS> lols
[18:28] <hibby> looking at hib.by but its damn expensive
[18:29] <eroomde> eroom.de gone :(
[18:29] <Randomskk> I couldn't make any good names :(
[18:29] <hibby> also want vehibberd.com
[18:29] <hibby> so i can get d@vehibberd.com
[18:30] <jcoxon> got it eroomde
[18:30] <jcoxon> thanks
[18:30] <eroomde> xkcd was randall munroe's itc nick that he chose as it was unlikely to lead to false positives when grepping
[18:30] <Randomskk> and impossible to pronounce apparently
[18:30] <Randomskk> well without spelling it out
[18:32] <WillDuckworth> hey NigeyS, just reading & watching the vids on your site... is that the dulcet tones of Darkside filming?
[18:32] <eroomde> Randomskk: you can keep your yakisoba stirfry
[18:32] <eroomde> i have a bacon buttie
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[18:33] <Randomskk> you win this one :| I had to be vegetarian
[18:33] <eroomde> and a pint of fursty ferret
[18:33] <eroomde> why?
[18:33] <eroomde> in gods name man why?
[18:33] <Randomskk> my sister is vegetarian and I was cooking for both of us
[18:33] <Randomskk> :|
[18:34] <eroomde> oh
[18:34] <eroomde> well, i am currently living with a veggie
[18:34] <eroomde> but she is out at yoga (naturally)
[18:35] <Randomskk> of course :P
[18:35] <eroomde> so it was bacon time
[18:35] <eroomde> and pint
[18:35] <eroomde> actually jamie's 30 mins does v well for veggie stuff
[18:35] <W0OTM> http://www.ihabproject.com/BallooMerang/
[18:35] <eroomde> and i have been working my way through fergus henderson's nose to tail eating which is up there with the bible
[18:35] <Randomskk> stir frying veggie is fun and easy at least. little mess, almost nothing to wash up, tasty, quickish
[18:35] <eroomde> infact it beats the bible
[18:36] <Randomskk> hah
[18:36] <eroomde> because the body of pig >> the body of christ
[18:36] <eroomde> and the blood of christ can't be made into black pudding
[18:37] <eroomde> Randomskk: got a couple of sausages on the sizzler then i'm all yours
[18:37] <eroomde> i have two mote bottles od fursty ferret
[18:37] <eroomde> which is the best stuff for coding
[18:37] <Randomskk> gotta hit that BAC level
[18:37] <Randomskk> no rush, I'm just cleaning up my new vim config
[18:38] <eroomde> on a fixie bike?
[18:38] <eroomde> having got on the train from cambridgeshire?
[18:38] <eroomde> moved on down to an east london flat?
[18:38] <Randomskk> got a moustache and a low cut vest?
[18:39] <eroomde> give it a few days
[18:39] <eroomde> i'll do it for the hackspace
[18:39] <Randomskk> hah
[18:40] <Randomskk> alright, I finally set my own leader key in vim. I hear that's what all the cool kids are prone to doing.
[18:40] <eroomde> 'so this is like an lpc2368 -- you probably haven't heard of it...'
[18:40] <Randomskk> :P
[18:40] <Darkside> leader key?
[18:40] <Darkside> like : ?
[18:41] <Randomskk> in my case I'm using ,
[18:41] <eroomde> i use ,
[18:41] <Randomskk> but I don't think you can use :, vim already does stuff for that
[18:41] <eroomde> so lols to you
[18:41] <Randomskk> mainly this is just because I used to use nerd commenter and the old version had maps to ,cc etc
[18:41] <eroomde> except it seems to do none of the things the bundles promise
[18:41] <Randomskk> the new one is <leader>cc
[18:41] <Randomskk> so didn't work until I set leader to , >_>
[18:43] <Randomskk> yay I bound <leader>n to :noh to turn off search highlights
[18:44] <eroomde> ctags or ropevim? this is the question
[18:45] <eroomde> hmm... ropevim. for now
[18:45] <Randomskk> oooh.
[18:46] <eroomde> wha?
[18:46] <Randomskk> ropevim
[18:50] <Randomskk> can't get syntastic to work, hm
[18:51] <eroomde> pyflakes?
[18:52] <Randomskk> that looks potentialyl more useful
[18:52] <NigeyS> WillDuckworth, indeed it was
[18:54] <Randomskk> except that it seems to be a total pain to have as a git submodule
[18:54] <WillDuckworth> any news on recovery, or has it been sacrificed?
[18:54] <NigeyS> sacrificed
[18:54] <NigeyS> hehe
[18:55] <fsphil> cambridge uni has a chemistry department that does batteries? (on bbc 2 a moment ago)
[18:55] <fsphil> maybe they could make one that works at low temperature :)
[18:58] <Randomskk> eroomde: ooh okay pyflakes is nice (even if it took recursive git submodule init)
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[18:59] <eroomde> yeah it's cool
[18:59] <eroomde> pyhtonxy (on windows) uses it
[18:59] <eroomde> amazing how much crap it picks up that you normally miss
[19:00] <Randomskk> Command-T is neat
[19:01] <Randomskk> wow, pyflake's unused imports is handy
[19:02] <Randomskk> http://sjl.bitbucket.org/gundo.vim/
[19:02] <Randomskk> etc there are like a million cool vim plugins
[19:03] <eroomde> Randomskk: see what i mean about uned imports?
[19:03] <Randomskk> yea definitely
[19:03] <eroomde> so much crap that never gets touched
[19:03] <eroomde> a sort of instinctinve import scipy as scp and i end up never using it
[19:03] <Randomskk> what gundo needs vim 7.3 and ubuntu only has 7.2 what D:
[19:05] <Randomskk> okay upgraded thanks to PPAs
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[19:09] <eroomde> homebrew :)
[19:10] <eroomde> i'm not so sure i want gundo
[19:10] <eroomde> i'd rather use git to manage that
[19:10] <Randomskk> yea, for most things
[19:10] <Randomskk> usually I just use u
[19:11] <eroomde> it'll encourage me to commit little and often
[19:11] <Randomskk> that is true.
[19:11] <Randomskk> delimitmate: also neat. I especially like that it correctly manages me typing my own closing braces and things
[19:11] <Randomskk> fugitive.vim looks like a nice git wrapped. I think my vim is all pimped.
[19:12] <eroomde> i heard yo like autocompletion
[19:13] <Randomskk> autocomple\t?
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[19:23] <eroomde> Randomskk: SuperTab
[19:23] <eroomde> tab = context sensitive dropdown menu
[19:23] <eroomde> with optional documentation window
[19:23] <eroomde> for added sex
[19:23] <Randomskk> hot shit. I'm all over that.
[19:24] <eroomde> i'm ready to party btw
[19:24] <Randomskk> yea same
[19:24] <eroomde> though my tour of local real ales was probably not a good idea
[19:24] <Randomskk> I've got a vagrant box up and running through the things needed to have couch compile
[19:24] <eroomde> ok, i don't have vb yet
[19:24] <eroomde> let me grab that
[19:25] <eroomde> then vagrant
[19:25] <eroomde> then i need to clone habitat
[19:25] <eroomde> i'll get vagrant first then get back to you
[19:26] <Randomskk> okay
[19:26] <eroomde> shall we switch to habhub?
[19:26] <Randomskk> probably sensible
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[19:30] <kd0mto> Sorry, post that again, I miss clicked
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[19:40] <Laurenceb_> i hear DarkSide is having a riot of a time in London
[19:40] <NigeyS> lol
[19:41] <Laurenceb_> maybe he can get us some free nike gear too
[19:41] <Darkside> lol
[19:41] <Darkside> i'm not in london
[19:41] <Darkside> thats next weekend
[19:41] <NigeyS> id stay put if i were you
[19:41] <Lunar_Lander> hello
[19:41] <NigeyS> hey Kev
[19:42] <Dan-K2VOL> hi Kevin
[19:42] <Lunar_Lander> we gonna be quick
[19:42] <Lunar_Lander> dad commanded to switch off 11 pm CEST
[19:43] <Lunar_Lander> how are you NigeyS and Dan-K2VOL
[19:43] <Dan-K2VOL> doing nicely, how are you
[19:44] <Lunar_Lander> I'm good too
[19:44] <Lunar_Lander> I got an electronics delivery this weekend
[19:44] <Lunar_Lander> Sharp Dust sensor, another Bosch pressure sensor, and most importantly a Venus GPS
[19:50] <Dan-K2VOL> nice!
[19:50] <Lunar_Lander> yeah
[19:50] <Lunar_Lander> then, I was at my uni job
[19:50] <Lunar_Lander> and they showed me where the soldering iron is
[19:50] <Lunar_Lander> which the professor allowed me to use
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[19:57] <Lunar_Lander> hi m1x10
[19:57] <m1x10> hi
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[19:57] <Lunar_Lander> how are you?
[19:57] <m1x10> good
[19:57] <m1x10> and you?
[19:57] <Lunar_Lander> nice to hear
[19:57] <Lunar_Lander> me too
[19:57] <Lunar_Lander> got your PCBs
[19:57] <m1x10> you got my mpackage?
[19:57] <Lunar_Lander> thanks :)
[19:57] <m1x10> :)
[19:57] <Lunar_Lander> yeah
[19:58] <m1x10> happy soldering :)
[19:58] <Lunar_Lander> thanks :)
[19:59] <m1x10> :)
[20:00] <Lunar_Lander> yeah
[20:00] <Lunar_Lander> and how is your progress?
[20:04] <Lunar_Lander> m1x10 and NigeyS Dan-K2VOL
[20:04] <Lunar_Lander> I got a reply from Dr. Giles Harrison at Reading
[20:05] <Lunar_Lander> he would like to give me some of his balloonsonde sensors but they come without a data recorder
[20:05] <Lunar_Lander> so we'd probably need to invent one
[20:05] <Lunar_Lander> as his stuff is designed to be connected to the radio of a Vaisala RS-80
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[20:13] <Dan-K2VOL> ah at least the RS-80 is well known
[20:13] <Lunar_Lander> yes
[20:16] <Lunar_Lander> that is the good thing
[20:26] <Darkside> ok
[20:26] <Darkside> my horus talk is done
[20:26] <Darkside> :P
[20:26] <Darkside> its a shortish overview of how we do things
[20:27] <Darkside> then some photos from the different launches
[20:27] <Darkside> ending in a video
[20:27] <fsphil> that's more or less what my own talk will be
[20:27] <fsphil> though less video
[20:28] <Darkside> i figured i'd show how we do balloon chases in australia :P
[20:28] <Darkside> most of you guys have seen the pics, but the guys at the hackerspace won't
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[20:33] <Laurenceb_> wow
[20:34] <Laurenceb_> shits getting real in london
[20:34] <Darkside> what now :(
[20:34] <Darkside> fuuuck
[20:35] <fsphil> what a bunch of plonkers
[20:36] <Laurenceb_> i thought theyd have calmed down by now
[20:36] <Darkside> buildings set alight in croydon?
[20:36] <Darkside> hmm
[20:36] Action: Darkside is watching bbc news
[20:37] <Laurenceb_> yeah.. seems to have got worse not better
[20:37] <fsphil> Cobra meeting... they're sending out ninjas?
[20:37] <Laurenceb_> no, snakes
[20:37] <fsphil> cool
[20:37] <fsphil> snakes in a city
[20:37] <Laurenceb_> snakes on a riot... wait that doesnt work
[20:39] <NigeyS> get the bloody army in
[20:39] <NigeyS> drive a tank at em, they'll soon scarper hom :)
[20:40] <LazyLeopard> West Croydon's Argos and Maplins have been looted, apparently...
[20:40] <Laurenceb_> i say me napalm them.. oh wait
[20:40] <fsphil> maplins??
[20:40] <Laurenceb_> Maplins looted.. lulwut
[20:40] <Dan-K2VOL> boy we have a knack for burning up airship in the states: http://www.ainonline.com/news/single-news-page/article/high-altitude-airship-destroyed-after-aborted-demo-flight-30782/
[20:41] <NigeyS> Laurenceb, better start watching ebay for looted resistors!
[20:41] <Laurenceb_> lmao
[20:41] <fsphil> maybe that's what the riot was all about
[20:41] <fsphil> someone got some PNP transistors, but really wanted NPN
[20:42] <NigeyS> lols
[20:44] <Laurenceb_> well as long as they dont get hisssssterical at the cobra meeting
[20:45] <Lunar_Lander> XD
[20:45] <fsphil> Wonder if Voldemort will attend
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[23:20] <Laurenceb_> so much drama at openpilot
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[23:26] <SpeedEvil> ?
[23:26] <SpeedEvil> 'your algorithm sucks' or 'I'm gonna fork' ?
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[00:00] --- Tue Aug 9 2011