highaltitude.log.20130222

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[00:06] <mfa298> http://imgur.com/oHUppLe
[00:07] <mfa298> damned putty right click
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[00:26] <Darkside> hmm
[00:26] <Darkside> who is scatterp
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[00:35] <griffonbot> Received email: Philip Crump "Re: [UKHAS] Launch Announcement: University of Southampton Project
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[08:18] <costyn> morning
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[08:19] <Brace> that unitednuclear.com page is nuts, but I'm glad they're doing stuff like that
[08:31] <arko> morning
[08:32] <fsphil> evening
[08:33] <costyn> :)
[08:36] <fsphil> I love it when people get a lovely big descriptive error message in one of our programs, but the report the user sends contains none of that at all
[08:36] <fsphil> fail in humanity falling...
[08:36] <costyn> they might be like 'it doesn't mean anything to me, so I'm going to ignore it'
[08:36] <fsphil> faith*
[08:36] <fsphil> that's a fair point
[08:37] <costyn> my wife was complaining about that the other day, that so many programs produce errors which don't mean anything to the end-user, she was wondering what's the point
[08:37] <costyn> told her it's not for you, but for the devs/admins
[08:39] <daveake> I add a button 'Send bug report'
[08:40] <daveake> Which sends a stack dump etc
[08:40] <fsphil> or just send it automatically
[08:40] <fsphil> hmmm
[08:41] <fsphil> not sure if that's possible in VB6 :)
[08:41] <daveake> :-)
[08:41] <costyn> yea when an app or mac os x crashes it's sent to apple. I really wonder how many of those they get per hour... must be way to much to look at each individual one. kinda curious how they sift through the data to look for patterns etc
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[08:46] <mfa298> hopefully they look at how many of a particular bug they have and how serious they are and prioritise based on that
[08:47] <costyn> that would make sense
[08:49] <mfa298> of course your talking about apple so sensible ideas might not be an option
[08:49] <costyn> heh
[08:49] <fsphil> apples don't crash
[08:49] <fsphil> it's just resting
[08:49] <costyn> heh
[08:49] <costyn> pinin' for the fjords
[08:50] <daveake> Parity error
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[08:51] <fsphil> you should tweet that
[08:55] <lz1dev> thats what she tweeted
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[09:56] <eroomde> yoyoyoyoyo
[09:57] <arko> yoyo
[09:57] <daveake> yo
[09:57] <arko> oh crap its 2am again
[10:00] <eroomde> arko: here is a clip
[10:00] <eroomde> for context, in cricket you have these 2 ft high stumpswith bails on them that the bowler is trying to hit
[10:00] <eroomde> the bails are little sort of 3" bits of wood resting on the vertical stumps. if they get knocked off, you're out
[10:00] <arko> im lost already
[10:00] <eroomde> some batsman had just got himself out stupidly by hitting the stumps with his leg
[10:01] <fsphil> it's not just you arko
[10:01] <eroomde> here is the bbc commentry
[10:01] <eroomde> http://www.youtube.com/watch?v=KsVTpX7LdZQ
[10:01] <arko> "This video contains content from EMI, who has blocked it in your country on copyright grounds."
[10:01] <arko> lame
[10:01] <eroomde> ffs
[10:01] <arko> im starting my own isp
[10:01] <arko> with hookers and blackjack
[10:01] <eroomde> http://www.youtube.com/watch?v=KsVTpX7LdZQ
[10:01] <costyn> arko: actually forget the blackjack :)
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[10:02] <arko> and the hookers
[10:02] <arko> oh wait
[10:02] <costyn> heh
[10:02] <arko> damn it
[10:02] <arko> im loopy
[10:02] <eroomde> 'he couldn't quite get his leg over' is what sets them off
[10:02] <costyn> arko: it's 2 AM
[10:02] <arko> srsly
[10:02] <arko> eroomde: im so confused
[10:04] <eroomde> it's just amusing
[10:04] Nick change: signaleleven -> signal11_away
[10:05] <arko> wut
[10:06] <arko> there arent any actual crickets in cricket :(
[10:06] <arko> ok now i know i need sleep
[10:06] <arko> night folks
[10:06] <UpuWork> nn
[10:08] <fsphil> I think the key to understanding cricket, is that the people playing it don't really understand it themselves
[10:08] <fsphil> but they've been doing it for so long they don't say anything
[10:09] <costyn> lol
[10:09] <eroomde> you just clap a bit every now and then
[10:10] <Darkside> hahahahahhaa
[10:12] <mfa298> I thought cricket was more an excuse to sit around eating and drinking
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[10:20] <eroomde> it's that too
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[10:25] <eroomde> arko: http://tacocopter.com/
[10:31] <gonzo_> ooo, an 868MHz flight. Chance to test out the yagi
[10:32] <fsphil> I suspect it'll be too far and not high enough for me to try
[10:32] <eroomde> Randomskk: from HN, "Some days I feel like my PhD is in LaTeX, with some computer science on the side."
[10:32] <eroomde> something we can all relate to
[10:32] <costyn> eroomde: hahaha
[10:33] <costyn> I know that feel
[10:33] Nick change: KingJ_ -> KingJ
[10:33] <costyn> eroomde: tacocopter... this...can't... I don't even. this can't possibly be legal in the US
[10:33] <gonzo_> a comment that in any other forum, would raise an eyebrow!
[10:35] <Brace> costyn: I think it's real actually
[10:35] <Brace> I saw it on HN the other day
[10:35] <costyn> Brace: amazing
[10:35] <Brace> eroomde: yeah that's how I feel when I write stuff in latex
[10:35] <eroomde> i suspect it's not legal yep
[10:35] <eroomde> but schmetails
[10:35] <eroomde> speaking of which, i must publish the thing for my little competition
[10:36] <Brace> ahhh, it's fake acutally - http://www.theatlantic.com/business/archive/2012/03/the-marketing-genius-of-tacocopter/255092/
[10:37] <daveake> So it wasn't the whole enchilada
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[10:41] <Brace> daveake: very good
[10:45] <griffonbot> Received email: Steve Aerospace "[UKHAS] Launch announcement XABEN42 - midweek"
[10:51] <Randomskk> eroomde: haha indeed
[10:51] <griffonbot> Received email: A. Coghlan "[UKHAS] Re: Horizon Launch Announcement - Saturday 9th February - Walsall"
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[11:00] <eroomde> does anyone know of something like Pastebin but than can host random snippets in typset markdown?
[11:00] <eroomde> i.e. markdown in, typset out, permenant small url
[11:01] <lz1dev> https://gist.github.com/
[11:01] <lz1dev> ?
[11:01] <lz1dev> where do i claim my 1 free internet
[11:02] <eroomde> so it does!
[11:02] <eroomde> i thought it only did syntax highlighting
[11:02] <eroomde> silly me
[11:02] <eroomde> you can claim an internet beer from me
[11:03] <daveake> doesn't cost a packet
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[11:14] <gonzo_> I did see a 'free' beer a while ago. It was sole as 'oper source beer'
[11:14] <gonzo_> open
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[11:28] <Hibby> isn't most beer open source?
[11:29] <Hibby> the stuff I make certainly is...
[11:30] <eroomde> anyone used wiznet have any scare stories before i include it in a layout?
[11:32] <Randomskk> why that over the microchip encjblabla mac+phy?
[11:34] <eroomde> has the ip stack built in
[11:35] <zyp> is that a good thing? :)
[11:35] <eroomde> it's a much simpler interface for the mcu
[11:35] <jonsowman> you'll miss out on all the fun of implementing the IP stack yourself
[11:35] <zyp> eroomde, so in other words it's a much more limited interface?
[11:35] <eroomde> well, i'm trying to clock >10MBit through the xmega and I think it would appreciate not having to do so much cpu-ey stuff with the ip stack for each packet
[11:36] <zyp> isn't wiznet only 10Mb/s?
[11:36] <eroomde> no
[11:36] <eroomde> there are several chips available
[11:37] <eroomde> the W7100 is 10/100
[11:37] <Randomskk> didn't think the wiznet things managed much throughput
[11:37] <zyp> oh, wait, I was thinking about the enc28j60
[11:37] <Randomskk> probably an outdated view
[11:38] <zyp> eroomde, why aren't you using a mcu capable of using dma for the actual data pushing?
[11:38] <eroomde> I am
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[11:39] <eroomde> but the ip stack would mean the MCU would be having to do a great deal more per packet than using this chip which has it built in
[11:40] <Randomskk> dunno
[11:40] <Randomskk> not like you need a full stack anyway
[11:40] <Randomskk> udp or...?
[11:41] <eroomde> would quite like to not do just udp this time
[11:41] <eroomde> having full stack makes it easier for them to play nicely on more general networks
[11:42] <Elwell> enc28j60 is a pain - having to everything onboard main chip sucks
[11:43] <jonsowman> it's not /too/ bad with uIP, the avr-uip project has a 'driver' for the ENC28J60 which just works
[11:44] <Elwell> ah is that working now? got fed up with nanode locking up with low stash count
[11:44] <jonsowman> well I've certainly got it working, but not on a nanode
[11:44] <jonsowman> and not without a considerable amount of additional faff with uIP
[11:45] <eroomde> i think our mcu will have a lot of cpu time tied up decoding the historical time signal that syncs up all the dataoggers over bnc
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[11:45] <eroomde> that + 64 bytes of adc samples at up to 100ksps having to be sent over ethernet will probably keep it quite busy
[11:46] <eroomde> i was ebing silly earlier, the W7100 is an 'internet mcu' rather than just the bridge chip. but the bridge chip advertising the throughput as 80Mbps with DMA
[11:47] <eroomde> which is plenty
[11:48] <jonsowman> it did take me a long time to get ENC28J60+avr working for what I wanted
[11:48] <eroomde> exactly
[11:48] <jonsowman> inc DHCP, DNS, making HTTP requests
[11:48] <jonsowman> (so UDP and TCP)
[11:49] <eroomde> we have commited to having this 32ch pressure logger on the rig by mid march and the test program done by end of march
[11:49] <jonsowman> so yeah, if the wiznet does what you want, I don't see why you wouldn't use it
[11:49] <eroomde> and i'm just doing the schematic now
[11:49] <jonsowman> it will save a lot of time
[11:49] <eroomde> tempus is fugiting
[11:49] <jonsowman> tempus always fugits
[11:49] Action: Randomskk shudders
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[11:50] <eroomde> yeah you guys must be pretty close to have the masters projects all finished up huh?
[11:50] <eroomde> final strech?
[11:50] <eroomde> week 6 or 7 isn't it?
[11:50] <Randomskk> good declensing >.>
[11:50] <Randomskk> hahaha
[11:50] <gonzo_> craag, I'm assuming you will put in a payload doc for the 868meg beacon? I shoudl be about to receive it
[11:50] <jonsowman> week 6
[11:50] <Randomskk> "close"
[11:50] <jonsowman> :|
[11:50] <jonsowman> jesus
[11:50] <Randomskk> I wish
[11:50] <Randomskk> what a mess
[11:50] <jonsowman> tempus is fugiting much faster than expected
[11:51] <eroomde> latex as you go along
[11:51] <eroomde> you'll thank yourself
[11:51] <craag> gonzo_: Payload doc exists, need to talk to them about putting it on the flight doc.
[11:51] <fsphil> student fugit
[11:51] <zyp> I'd probably be wanting to go with some cortex-m with internal ethernet mac
[11:51] <eroomde> especially if you do the nice graphics at the time rather than 2 days b4
[11:51] <zyp> but if the core mcu is already selected, I guess that won't be an option
[11:51] <eroomde> it is so it isn't
[11:51] <jonsowman> eroomde: yeah, I've been trying to do a few bits like that
[11:52] <jonsowman> not entirely successfully
[11:52] <jonsowman> but nvm,
[11:52] <eroomde> the next revision is doing m4 + MAC and IEEE1588 to loose the time sync signal
[11:52] <eroomde> but that's not something i want to commit to now to get this pressure logger made for the march tests
[11:52] <eroomde> loose the *separate* time sync signal, i should say
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[11:52] <eroomde> i.e. daisychaning BNCs between boxes
[11:52] <zyp> it kinda sounds like the stuff lpc43xx is made for, allowing you to offload the entire network handling to the secondary core
[11:53] <eroomde> oh nice
[11:53] <zyp> that said, I think I noted that ieee1588 weren't supported by the lpc43xx
[11:53] <HixWork> Message sent to DM regarding suitable areas that are likely to be granted a NOTAM
[11:54] <eroomde> not sure my black magic jtag probe will work with those
[11:54] <eroomde> maybe it will
[11:54] <zyp> it uses the same synopsys ethernet core as stm32f4, but without the ieee1588 module
[11:54] <eroomde> oh, i quite want the ieee1588
[11:54] <zyp> I have unpublished patches for lpc4357 on bmp
[11:54] <eroomde> that's sort of the point
[11:54] <eroomde> it's not much of a improvement otherwise
[11:56] <zyp> you might want to double check that for yourself, I might remember wrong
[11:56] <eroomde> am doing so
[11:56] <zyp> ah, I remembered wrong
[11:57] <eroomde> so you are
[11:57] <eroomde> 26.6.16
[11:57] <eroomde> what are you using with it for the software, diy or something like lwIP?
[11:58] <zyp> ah, it was the mac management counter block that was only present in stm32f4, not lpc43xx
[11:58] <zyp> currently I haven't used it
[12:01] <zyp> I have some code for stm32f4 enabling the interface towards the phy and receiving ethernet frames
[12:02] <zyp> I'm tempted to have a shot at writing a simple stack myself for fun at some point in the future, but that would be more for the sake of learning than for the sake of getting stuff working ;)
[12:03] <jonsowman> https://twitter.com/adunk/statuses/3646637058
[12:07] <fsphil> isn't l undeclared
[12:09] <jonsowman> http://dunkels.com/adam/twip.html
[12:09] <jonsowman> specifically
[12:09] <jonsowman> "The 'int' keyword can be omitted because C implitictly treats the variable as an int then (this is an old legacy of C)."
[12:09] <jonsowman> "The initialization of 'l' will produce a compiler warning, but the code works nevertheless.
[12:10] <fsphil> I did not know that
[12:10] <eroomde> interressant
[12:12] <Randomskk> yea but that f'er wrote uIP and lwIP
[12:12] <fsphil> that's rather cute
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[12:37] <griffonbot> Received email: John Underwood "[UKHAS] Launch announcement - Vortex Flight 4 - Friday 1st March"
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[12:59] <cuddykid> HABHUB iPad version coming along - http://i.imgur.com/TVSj0P9.jpg
[13:02] <mattbrejza> why does it not 'just run' on ipad, all be it the layout not being the best?
[13:02] <cuddykid> it does - but scale etc all out
[13:03] <mattbrejza> so just need to made a new layout file?
[13:03] <cuddykid> with bigger screen size I can add in some more visual stuff on main screen
[13:03] <cuddykid> yep
[13:04] <mattbrejza> relatively simple then
[13:04] <cuddykid> runs on the same code underneath, just different storyboard (layout) file
[13:04] <cuddykid> yeah
[13:04] <lz1dev> make a game, where the balloon has a gun and you defend it from asteroids
[13:04] <cuddykid> to kill time whilst in the chase car :P
[13:04] <lz1dev> exactly
[13:05] <fsphil> balloon targets your car from the air, you have to drive faster than it can aim
[13:05] <fsphil> I suspect that game wouldn't be so popular with the police
[13:06] <lz1dev> but not over the speed limit
[13:06] <lz1dev> because you can go back in time
[13:06] <cuddykid> lol
[13:07] <lz1dev> fsphil: you might be wrong, because they will know exactly where you are
[13:10] <Laurenceb> http://www.google.com/intl/en_uk/chrome/devices/chromebook-pixel/
[13:13] <mattbrejza> they gave a tablet a i5 processor and a keyboard, then priced it the same as a macbook pro?
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[13:14] <lz1dev> sounds about right
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[13:24] <costyn> good lord a lot of launches coming up all of a sudden
[13:25] <costyn> the HAB lauches calendar feed is updated from the habitat isn't it?
[13:25] <costyn> or is it a manual thing
[13:25] <daveake> auto magic
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[13:34] <griffonbot> Received email: Andrew Myatt "Re: [UKHAS] Re: Habitat Tracking - Network telemetry Feed"
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[13:41] <Laurenceb> http://www.pcworld.com/article/2028896/how-to-make-ubuntu-linux-look-like-windows-7.html
[13:41] <Laurenceb> lolz
[13:43] <lz1dev> why would anyone want to do this :x
[13:43] <jonsowman> dear god
[13:44] <mattbrejza> <3 win8
[13:53] <daveake> Does it do "Installing update 1 of 108; Do not switch off"?
[13:53] <HixWork> so it appears as though my last hourly cron ran properly, however, the map is still old mother hubbard.
[13:54] <HixWork> is there a way I can mail the log file out from centOS? struggling to get the whole log in putty
[13:54] <jonsowman> scp
[13:54] <costyn> jonsowman: but then you need another unix host
[13:54] <x-f> winscp
[13:55] <costyn> x-f: true
[13:55] <x-f> silly q - what does "old mother hubbart" mean? :)
[13:55] <jonsowman> fubar'd
[13:55] <x-f> lol, ok
[13:55] <jonsowman> although it's probably not actually 'bar'
[13:55] <HixWork> old mother hubbard went to the cupboard , but it was bare
[13:55] <jonsowman> just fu
[13:56] <x-f> fu is ambigous
[13:56] <HixWork> fu is also rather direct :)
[13:56] Action: HixWork looking into winscp
[13:59] <lz1dev> winscp is my win gui utility of choice for file transfer
[14:01] <HixWork> well it looks like the download from NOAA is all good, it went up to the predicted end date. Doensn't seem to have done anything with said data tohug?
[14:02] <jonsowman> there are two sets of logs
[14:02] <fsphil> there are two scripts to run
[14:03] <jonsowman> one in ~/web/hourly-predictions/logs
[14:03] <jonsowman> one in landing-prediction-data/logs
[14:03] <jonsowman> the former is for the predictor, the latter for the data grabber
[14:05] <HixWork> winscp is sweet,
[14:06] <HixWork> so i ran fetch-run-cronjob.sh
[14:07] <HixWork> Oh, actually thinking about it, it kicked off at 12:00 so was auto from the cron.d, should that not have doen everything?
[14:07] <jonsowman> fetch-run should do everything
[14:08] <HixWork> s'what i thought.
[14:09] <fsphil> guess I'm using an older version
[14:10] <jonsowman> fsphil: I just wrote fetch-run to run the two other ones consecutively
[14:10] <jonsowman> it's nothing clever
[14:10] <fsphil> I did that in the crontab, but probably should do it your way
[14:14] <HixWork> the log in ~/web/hourly-predictions/logs has updated too, so it seems as though all is as it should be.
[14:15] <HixWork> is there a method to force processing the data so it's on the predictor page?
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[14:15] <jonsowman> run the hourly-predictions-cronjob manually
[14:16] <jonsowman> and watch the log that it creates in ~/web/h-p/logs/
[14:16] <jonsowman> $ tail -f logfile.log
[14:16] <jonsowman> ^ will display it as it updates
[14:18] <jonsowman> ls- l
[14:18] <jonsowman> oops
[14:18] <jonsowman> sorry
[14:19] <HixWork> http://pastebin.com/KXaTWxeG
[14:19] <HixWork> is output
[14:20] <jonsowman> hmm, never seen that before
[14:20] <jonsowman> it makes me suspicious that it's an old version of demjson or soemthing
[14:20] <costyn> ^^ bad sign
[14:21] <HixWork> why on my image.... :/
[14:21] <jonsowman> centos...
[14:21] <costyn> HixWork: I don't know what you did :) I have the exact same codebase and OS (using the same VMDK). I only updated the scenario.json file with my coordinates and other parameters and it just worked :)
[14:21] <jonsowman> did you install demjson from repos?
[14:21] <costyn> HixWork: maybe you should try downlaoding the VMDK again :)
[14:22] <jonsowman> HixWork: do you have pip installed?
[14:22] <jonsowman> if so
[14:22] <jonsowman> $ pip freeze | grep demjson
[14:23] <HixWork> just installing pip
[14:23] <HixWork> no package pip available
[14:23] <HixWork> Reckon i should reinstall the image and try it again
[14:23] <costyn> HixWork: yes
[14:23] <jonsowman> try installing package python-pip
[14:24] <costyn> HixWork: now that you know how to fix the dns issues ...
[14:24] <HixWork> Package python-pip-0.8-1.el6.noarch already installed and latest version
[14:24] <mfa298> seems odd that it would fail as it worked for chris and i thought he just packaged up his vm image
[14:24] <HixWork> something went wrong somewhere
[14:24] <jonsowman> HixWork: so $ pip --version says?
[14:24] <costyn> mfa298: yep, Hix and I are using Chris' image :)
[14:24] <HixWork> I'll do a fresh one [if you catch my drift]
[14:24] <costyn> heh
[14:25] <HixWork> jonsowman, pip command not found
[14:25] <jonsowman> huh
[14:25] <jonsowman> interesting
[14:25] <x-f> approaching fubar phase
[14:25] <HixWork> :D
[14:25] <jonsowman> lol
[14:26] <HixWork> I think it crashed through fubar base and tore ahole through it
[14:26] <jonsowman> HixWork: try this
[14:26] <jonsowman> $ python
[14:26] <eroomde> https://gist.github.com/anonymous/5013762
[14:26] <jonsowman> >>> import demjson
[14:26] <jonsowman> >>> demjson.__version__
[14:26] <eroomde> comments welcome as this is a draft
[14:27] <HixWork> jonsowman, '1.6'
[14:27] <jonsowman> damn it
[14:27] <jonsowman> something weird is happening but I've no idea what
[14:27] <jonsowman> I've never had demjson complain at me on the hourly before
[14:28] <mfa298> I#m just trying to get into my hourly as at least it should be comparable.
[14:28] <mfa298> unfortunately I don't seem to be able to run chris' vm image on my esx server
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[14:29] <HixWork> I'm going to do a fresh install of the image and see how that goes. this seems to be causing far too much grief for everyone, unless they love debugging, which i doubt
[14:29] <jonsowman> certainly it's not been this difficult before
[14:29] <jonsowman> it's probably something trivial, but that error is unhelpful
[14:29] <jonsowman> fresh install can't hurt to compare
[14:30] <jonsowman> don't delete the old image yet
[14:30] <fsphil> sounds good eroomde
[14:30] <jonsowman> yeah I think you've covered all the bases (as it were)
[14:30] <HixWork> no, i was going to leave that there so people could investigate should they have the twised desire :)
[14:30] <fsphil> one point, no method of propulsion
[14:30] <jonsowman> maybe state the champagne vintage ;)
[14:30] <fsphil> like you can't put a little prop on there
[14:30] <eroomde> jonsowman: i have something in mind
[14:30] <jonsowman> HixWork: in theory, yes. in reality, no time
[14:30] <eroomde> just need to see if i can find it
[14:30] <eroomde> fsphil: oh yes
[14:31] <mfa298> I'm wondering if there's still some other path that's getting in the way - I kept to the standard paths for a reason
[14:31] <jonsowman> I always install it in /opt
[14:31] <HixWork> the reason i opted for the /opt/home waas there were 2 installs in the image an d i didn't knwo which was good or bad
[14:31] <mfa298> I think HixWork has it in /opt/home rather than /opt/cusf-landing-prediction
[14:31] <HixWork> yup
[14:32] <jonsowman> hmm
[14:32] <jonsowman> I should make an image and have it available
[14:32] <costyn> HixWork: but only 1 of the installs is run by cron
[14:32] <jonsowman> it'll be Debian though
[14:32] <jonsowman> can't stand centos
[14:32] <costyn> jonsowman: or an installer :)
[14:32] <costyn> jonsowman: yay debian ; centos is rather smelly yes
[14:32] <fsphil> worked fine for me on centos
[14:32] <jonsowman> costyn: yeah an install would be nice
[14:32] <jonsowman> *installer
[14:32] <costyn> although with all the dependencies ... :)
[14:33] <jonsowman> fsphil: oh there's no reason why it shouldn't work
[14:33] <HixWork> advice on a debian installer i could run as a vm
[14:33] <jonsowman> costyn: that's the problem
[14:33] <fsphil> python was my problem
[14:33] <mfa298> I'd thoguht about making a kickstart or ovf for it but I'll need to do a version that doesn't have all my custom bits in the os
[14:33] <mfa298> I doubt people want to rely on my nis server
[14:33] <jonsowman> I could just image the cusf server running it tbh
[14:33] <jonsowman> it's not nothing else installed
[14:34] <jonsowman> Ubuntu 10.04
[14:34] <mfa298> jonsowman: how soon are the plans for re-writing the whole lot likely to happen?
[14:34] <jonsowman> err
[14:34] <mfa298> or is that a case of how longs a piece of string
[14:34] <jonsowman> it is rather
[14:35] <jonsowman> there are some plans
[14:35] <jonsowman> but really we're starting with rewriting the core predictor binary
[14:35] <HixWork> so as long as apache and python are running un ubuntu it'll go on there?
[14:35] <jonsowman> it'll be fine on ubuntu
[14:35] <jonsowman> you don't have to use apache either
[14:35] <jonsowman> the cusf one uses cherokee
[14:35] <HixWork> ok
[14:36] <HixWork> so just follow the make stuff and edit the scenario-template
[14:36] <HixWork> check dns isn't screwed again
[14:36] <jonsowman> someone wrote some instructions
[14:36] <mfa298> maybe in that case I will look at how easy sorting out the paths in the hourly is - and possibly also if it's possible to have multiple scenarios.
[14:36] <HixWork> and cross fingers
[14:36] <jonsowman> mfa298: seems reasonable
[14:37] <HixWork> on the bright side I've had a nice refresher on unix this week :)
[14:37] <jonsowman> silver lining
[14:37] <jonsowman> kinda
[14:37] <HixWork> after a hiaitus of ~6 years
[14:37] <mfa298> I didn't want to spend effort on it if changes were imminent, but it sounds like such changes might actually be useful.
[14:38] <jonsowman> mfa298: well, DanielRichman is likely to be doing a lot of the reworking
[14:38] <jonsowman> so have a chat with him
[14:38] <craag> mfa298: There's a few commits in my fork that might help with paths, it's not complete though.
[14:38] <jonsowman> your contributions would be very welcome I@m sure
[14:39] <mfa298> first challenge will be to fix the home network, I'm struggling to get into things at the moment (not sure if it's nis/nfs/dns issues)
[14:39] <mfa298> probabbly all three
[14:39] <jonsowman> doesn't sound fun
[14:40] <jonsowman> I hate networking issues
[14:40] <mfa298> normally it's fine, but I rebooted the esxi server last night to check the raid array and now the vm's are in an odd state
[14:41] <jonsowman> what do you run exsi on?
[14:41] <mfa298> it's an i7 system I put together a couple of years ago
[14:41] <jonsowman> nice
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[14:42] <mfa298> looks like it's the solaris fileserver thats the issue - it's got some sort of corruption :(
[14:42] <costyn> jonsowman: i renamed some of the markers cause I"m not interested in launching at 22:00 or 03:00 :)
[14:42] <costyn> jonsowman: now I only get markers on the map for 8:00 to 15:00
[14:43] <jonsowman> costyn: oh I see, fair enough :)
[14:43] <jonsowman> you can just adjust the python script to only run for some times
[14:43] <jonsowman> but your way also works
[14:43] <jonsowman> O
[14:43] <jonsowman> * :)
[14:43] <costyn> jonsowman: I thought there would be a better place for it, but now I also get to see the (poly)line
[14:44] <jonsowman> yep
[14:44] <jonsowman> all the dots used to be the same colour
[14:45] <jonsowman> I made them darker for nighttime a while back
[14:45] <jonsowman> I've done a few bits to the hourly over time, but most of it was done by one of my supervisors last year
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[14:45] <jonsowman> I did more work on the one-shot predictor
[14:46] <costyn> yea that's a nice touch... I first wanted to change the color, make them more distinct, but then thought, well I don't need them anyways, lets see if I can remove them altogether
[14:46] <HixWork> thinkin costyn
[14:46] <jonsowman> :)
[14:48] <griffonbot> @ProjectBlast: Due to unforeseen complications we have had to postpone this weekends launch. The group are understandably very disappointed... #ukhas [http://twitter.com/ProjectBlast/status/304965894856130560]
[14:49] <jonsowman> gadgeteer broken again I expect
[14:49] <jonsowman> </snark>
[14:49] <mattbrejza> craag: full story needed
[14:49] <mattbrejza> also wheres andrew when you need him
[14:49] <mfa298> jonsowman: I wouldn't be surprised
[14:49] <mattbrejza> also shotgun .650 for next weekend
[14:52] <HixWork> heh can you "shotgun" MHx then :)
[14:53] <HixWork> MHz
[14:53] <HixWork> ifconfig
[14:53] <HixWork> iips
[14:53] <jonsowman> lol
[14:53] <HixWork> oops
[14:53] <jonsowman> good work
[14:54] <HixWork> iips is a little known command ;p
[14:54] <mfa298> mattbrejza: you can try, but if andrew is testing the baloon uplink you'll probably find it's wiped out.
[14:54] <mattbrejza> only if im near him though
[14:54] <gonzo_> if you have a shotgun, who's ggoing to argue
[14:54] <costyn> I hate accidentally typing 'dc' instead of 'cd' ... some weird calcator you can't ctrl-c your way out of
[14:54] <mfa298> where near == hampshire i suspect
[14:54] <jonsowman> costyn: install `sl`
[14:54] <jonsowman> that'll teach you
[14:54] <jonsowman> ;)
[14:55] <costyn> jonsowman: ah yes we have that on a work machine here
[14:55] <HixWork> any way of forcing ubuntu into a specific IP?
[14:55] <costyn> HixWork: edit /etc/sysconfig/network
[14:55] <HixWork> so I can use all the ssh and stuff thats set up
[14:55] <HixWork> oki cool cheers
[14:55] <jonsowman> or network manager
[14:55] <jonsowman> if it's working
[14:55] <jonsowman> which it won't be
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[14:56] <HixWork> /etc/sysconfig/network doesn't exist!?!
[14:57] <costyn> err
[14:57] <Brace> /etc/network/interfaces
[14:57] <costyn> HixWork: what he said ^^
[14:57] <costyn> (sorry)
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[14:57] <Brace> sysconfig is a suse/rh thing iirc
[14:58] <HixWork> and do i just specify and IP in a new line?
[14:58] <HixWork> an IP
[14:58] <costyn> HixWork: one moment
[14:58] <Brace> HixWork: waitamo
[14:58] <costyn> HixWork: http://pastebin.com/Z05mLud6
[14:59] <Brace> pretty much everythin you need know for ubuntu is here - http://www.cyberciti.biz/faq/category/ubuntu-linux/
[14:59] <HixWork> Nice, ta
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[15:00] Nick change: mfa298_ -> mfa298
[15:00] <Brace> http://www.cyberciti.biz/faq/ubuntu-static-ip/
[15:01] <Brace> https://help.ubuntu.com/community/ is good as well
[15:01] <griffonbot> @TurinTurambar90: RT @ProjectBlast: Due to unforeseen complications we have had to postpone this weekends launch. The group are understandably very disapp ... [http://twitter.com/TurinTurambar90/status/304969148310626308]
[15:01] <Brace> HixWork: what version of ubuntu are you on?
[15:02] <costyn> HixWork: please take notes of your predictor install on ubuntu :)
[15:02] <jonsowman> .bash_history will be fine
[15:02] <jonsowman> (kidding)
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[15:04] <costyn> heh
[15:04] <costyn> when using the predictor for a floater, do I just use a very slow ascent and descent rate?
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[15:07] <HixWork> I have multiples at home, i can use 10.04 as thats what was used.
[15:07] <HixWork> i was just playing with a xubuntu 12.10 install on a vm
[15:08] <HixWork> oh, and Don't worry, If i get the fer to work, it will have a wiki page with screengrabs and bells and a tune :)
[15:09] <HixWork> oh, and I've just found out ther's #xubuntu too
[15:09] <HixWork> nice
[15:09] <Brace> it's just that since 12.04 resolve.conf doesn't work in the same way
[15:09] <HixWork> arse :)
[15:09] <Brace> so if you are on that (or higher) you'll need to do something different
[15:09] <HixWork> 10.04 it is then
[15:10] <HixWork> resolv.conf or resolve.conf?
[15:10] <HixWork> ne being pedantic, checking
[15:10] <Brace> yeah no e
[15:11] <HixWork> ok, and what's different >12.04? is it simple of convoluted
[15:11] <HixWork> so I can log it now
[15:11] Action: mfa298 wonders if I should go for the insane and try installing the hourly on solaris 10
[15:12] <jonsowman> rather you than me
[15:12] <mfa298> I think I'll stick with CentOS for now.
[15:13] <mfa298> Solaris is very nice for certain things but anything else is just a pain on it.
[15:13] <Brace> basically, you just need to put dns-nameservers 1.2.3.4 and dns-search example.fqdn
[15:14] <Brace> into your /etc/network/interfaces
[15:14] <Brace> nothing mega
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[15:16] <HixWork> tha'ts gone into the notes, cheers
[15:20] <eroomde> 've got that friday feeling
[15:21] <jonsowman> I've not :(
[15:21] <jonsowman> the real world is going to be weird - not working at weekends
[15:22] <eroomde> no but that's because you chose to do a degree
[15:22] <eroomde> thus are silly
[15:22] <jonsowman> :(
[15:22] <HixWork> :)
[15:22] <eroomde> and you're doing a module in optimal control
[15:23] <HixWork> eroomde, is the friday feeling "i just want to piss off now" fi so, I've got it
[15:23] <jonsowman> I just hope it comes in useful for postgrad/career
[15:23] <eroomde> HixWork: something like that
[15:23] <eroomde> i remember before taking that module think 'hmm, so what is H-infinity control?'
[15:24] <eroomde> then I read the wikipedia page
[15:24] <eroomde> http://en.wikipedia.org/wiki/H_infinity
[15:24] <jonsowman> was this in the robust part?
[15:24] <eroomde> and then I remember thinking, 'hmm, so what is H-infinity control?'
[15:24] <eroomde> yes
[15:24] <eroomde> robust multivariable was what that module was called in my day
[15:24] <jonsowman> yeah, we've just done H loop shaping
[15:25] <eroomde> this was supposeldy the sexy end of control theory
[15:25] <eroomde> if you find linear algebra a turn-on, at least
[15:25] <jonsowman> it is all very neat and clever
[15:25] <jonsowman> and I do prefer linear algebra to messing around with bode/nyquist plots all day
[15:26] <eroomde> arko said he had a numberplate which was RTLOCUS
[15:26] <Laurenceb> H is the space of matrix-valued functions that are analytic and bounded in the open right-half of the complex plane defined by Re(s) > 0; the H norm is the maximum singular value of the function over that space
[15:26] <Laurenceb> well obviously
[15:26] <jonsowman> haha excellent
[15:26] <jonsowman> the H stands for Hardy iirc
[15:27] <eroomde> i remember that bit
[15:27] <jonsowman> the guy who said "my work is all so theoretical it will never have a practical use"
[15:27] <jonsowman> owtte
[15:27] <eroomde> we sure showed him
[15:28] <jonsowman> yup
[15:28] <eroomde> well i have a textbook on optimal control coming in the post soon, i hope it can ease me back into it
[15:28] <jonsowman> which one, ooi?
[15:28] <eroomde> the cheap one on amazon
[15:29] <eroomde> http://www.amazon.co.uk/Optimal-Control-Theory-Intoducti-Donald/dp/0486434842
[15:29] <eroomde> v good reviews
[15:29] <jonsowman> cool
[15:29] <eroomde> i'm not sure how much it covers but it's good anyway, they say
[15:30] <jonsowman> so this is classic optimal control?
[15:30] <Laurenceb> https://www.youtube.com/watch?v=pp89tTDxXuI
[15:30] <jonsowman> rather than model predictive control etc
[15:30] <eroomde> yes
[15:30] <jonsowman> Laurenceb: unbelievable isn't it
[15:30] <eroomde> i think MPC is its own beast
[15:30] <Laurenceb> yup
[15:30] <eroomde> invented by computer scientists
[15:30] <jonsowman> eroomde: my project involves a lot of MPC stuff
[15:31] <jonsowman> hence I've had this from the CUED library all year http://www.amazon.co.uk/Predictive-Control-Constraints-Jan-Maciejowski/dp/0201398230/
[15:31] <jonsowman> handily written by my project supervisor :)
[15:32] <eroomde> i have multivaribale fb design by him
[15:32] <eroomde> also my supervisor
[15:33] <eroomde> yay for jan
[15:33] <jonsowman> for your masters' project?
[15:34] <jonsowman> he is very good
[15:34] <eroomde> yes
[15:35] <jonsowman> oh that's cool
[15:35] <jonsowman> :)
[15:35] <eroomde> he was less busy then
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[15:35] <eroomde> wasn't master of pembroke
[15:35] <jonsowman> yes I do get the impression he's very busy
[15:35] <jonsowman> always has time for project meetings etc though
[15:35] <jonsowman> so no complaints
[15:36] <jonsowman> also always seems to have cake
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[15:36] <eroomde> wow
[15:36] <eroomde> i don't remember cake
[15:36] <fsphil> haha
[15:36] <eroomde> just coffee in what is now rachel's office
[15:37] <jonsowman> yeah that coffee machine is a lifesaver
[15:38] <eroomde> it's a dingy old corridor though, that one
[15:38] <eroomde> tbh the baker building itself is not the best
[15:38] <eroomde> i was quite jealous when i was walking around the engineering dept at standofrd a couple of weeks ago
[15:38] <jonsowman> true
[15:38] <fsphil> strand-1 up this monday?
[15:38] <jonsowman> fsphil: up in flames? probably
[15:38] <eroomde> all lightness and glass and unicorns
[15:39] <jonsowman> mm very nice
[15:39] <jonsowman> I had a module at the CL last term
[15:39] <jonsowman> that place is lovely
[15:40] <jonsowman> I just had to use a ruler to draw the [] around a matrix
[15:40] <jonsowman> that shouldn't happen
[15:40] <jonsowman> D:
[15:40] <eroomde> drunk?
[15:40] <fsphil> lol
[15:40] <jonsowman> I wish
[15:40] <eroomde> or the matrix was too big?
[15:40] <jonsowman> matrix too big
[15:40] <jonsowman> most of an A4 page
[15:41] <fsphil> scary
[15:41] <eroomde> i love you, hardy
[15:41] <jonsowman> one two cols
[15:41] <eroomde> you're my best firend
[15:41] <jonsowman> *only two
[15:41] <jonsowman> haha
[15:41] <eroomde> and ook, this matrix next to you, it's demi perfect
[15:41] <eroomde> semi hardy
[15:41] <HixWork> I got a reply regarding info on launch locations - a request .doc
[15:41] <eroomde> hurhurhur dur
[15:41] <jonsowman> predictive control looks so neat when it's all matrices
[15:41] <HixWork> and not from DM
[15:41] Action: eroomde dribbles
[15:41] Action: fsphil knows of two other elves at the CAA
[15:42] <jonsowman> this system has one input, two states, 4 state constraints and 2 input constraints
[15:42] <eroomde> what kind of info HixWork ?
[15:42] <jonsowman> so pretty simple
[15:42] <jonsowman> and already the matrix are huuuge
[15:42] <jonsowman> *matrices
[15:42] <fsphil> I find matracies often annoying
[15:42] <eroomde> i think anything other than making him able to use a stamp saying 'yes' or 'reject' is probably asking for trouble
[15:43] <jonsowman> lol
[15:43] <fsphil> multplying matracies. annoying
[15:43] <jonsowman> not as bad as inverting them
[15:43] <fsphil> I gather there's more to that than I imagine?
[15:44] <jonsowman> yes, it's a faff
[15:44] <HixWork> I was asking him about advised min distances from CTR / CTA / TMA or L[class A] routes
[15:44] <jonsowman> what you're probably thinking of is transposing
[15:44] <jonsowman> whcih is easy
[15:44] <fsphil> yes, transposing
[15:44] <fsphil> which is used in the DCT
[15:44] <eroomde> fsphil: http://joshua.smcvt.edu/linearalgebra/
[15:44] <HixWork> basically so as to be able to look at historical launch patterns and choose the best spot to avoid drink
[15:45] <eroomde> that's what i'm doing now as a refresher. it's super good and building intuition
[15:45] <eroomde> at*
[15:45] <eroomde> and it's free
[15:45] <fsphil> nice find eroomde, ta
[15:45] <eroomde> and the exercises are quite interesting and deliberate
[15:45] <eroomde> and it teaches you basically everything you would need to know for engineering usage of LA
[15:45] <costyn> ugh
[15:45] <costyn> did not enjoy those courses at uni
[15:46] <eroomde> although i don't think it does singular value decomposition
[15:46] <fsphil> I enjoy reading about all this, even if only bits sink in
[15:46] <eroomde> but i mean, all the general intuition about matrix subspaces and eigenstuffs is all treated very nicely, and there are good example tops at the end of each chapter that give you good intuition on how to translate real problems into linear algebra poblems
[15:47] <eroomde> example topics*
[15:47] <HixWork> eroomde, how doe sthe theory of putting in mutliple launch sites as separate requests wash with them?
[15:47] <HixWork> or does that bring out the big red stamp immediately for all
[15:47] <eroomde> i suspect they would present a hydrophobic surface to that kind of washing
[15:48] <eroomde> oh as separate requests
[15:48] <eroomde> sorry
[15:48] <eroomde> yes that might work ok
[15:48] <fsphil> no different to two people making a request really
[15:48] <HixWork> hmmm
[15:48] <eroomde> you can put multiple people on a single notam too
[15:48] <HixWork> multiple names and addresses then :)
[15:48] <HixWork> I@ve suddenly got a lot of HAB frineds
[15:48] <eroomde> at one point a few years ago we had 2 or 3 sites each with several regulars on it so anyone could launch in any of them usually
[15:49] <fsphil> he's not Hix, he's Hix's Mexican cousin
[15:49] <HixWork> Mix
[15:49] <HixWork> SPix
[15:49] <fsphil> Lix
[15:49] <fsphil> maybe not
[15:49] <HixWork> ermmm
[15:50] <jonsowman> lol
[15:50] <HixWork> And it's easier to get a NOTAM on a previous site once it's been used correct?
[15:50] <HixWork> coz other wise it wouldnt be a previous site
[15:50] <jonsowman> 12.25 monday launch fsphil
[15:50] <jonsowman> UK time one assumes
[15:51] <eroomde> HixWork: not sure
[15:51] <eroomde> i don;t know if he keeps internal reviews of sites on file
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[16:01] <griffonbot> Received email: Marco (projectBLAST) "[UKHAS] Re: Launch Announcement: University of Southampton Project
[16:01] <HixWork> parafoild deployed from HK, no sign of the UK camera though
[16:01] <eroomde> same
[16:01] <eroomde> NL in my case
[16:02] <fsphil> same here HixWork
[16:03] <eroomde> i like that everyone ended up buying that parafoil
[16:04] Action: mfa298 wonders what " unforeseen bureaucratic circumstances," are
[16:04] <HixWork> mfa298, french farmers?
[16:04] <HixWork> fsphil, did you order the camera too, or just the IOM lander module
[16:04] <eroomde> possibly university insurance?
[16:05] <eroomde> that's killed a few uni projects at T-2 days before
[16:05] <HixWork> and are you going to use $$MANXINVADER fsphil
[16:05] <mfa298> I'm guessing it's along those sorts of lines or the likes of forgot to order gas, book minibus.
[16:05] <fsphil> I'm gonna call it Project Drop Bear
[16:06] <mattbrejza> might be the regs that tehe uni wont let you carry a He cylinder in a car
[16:06] <mattbrejza> although smaller ones (3m2) are fine :/
[16:07] <eroomde> I might call mine something unthreatening
[16:07] <eroomde> like Project Feather
[16:07] <eroomde> and because i suspect my initial control attemps will be oscilliatory in the style of a falling feather
[16:07] <fsphil> Project Faerie
[16:08] <fsphil> don't call it Project Leaf On The Wind ... that never ends well
[16:10] <mfa298> fsphil: could be a good name for a floater though.
[16:10] <x-f> call it Lord of the Wind, and land where you like
[16:10] <HixWork> SickaMoore?
[16:10] <eroomde> so people say to me
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[16:13] <HixWork> project drop a floater
[16:14] <fsphil> Project Robot Laser Hawk
[16:14] <fsphil> do it properly
[16:15] <fsphil> why do all these things have to have Project in the name
[16:17] <number10> I have not got one of those parafoils so I may call mine project ile
[16:18] <HixWork> Freefall Autonomous Retardation Test
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[16:18] <HixWork> heh number10
[16:18] <number10> :)
[16:21] <craag> mfa298: H&S forms.
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[16:25] <mfa298> ah the dreaded H&S
[16:26] <craag> Oh well. So no 868MHz fun tomorrow.
[16:27] <gonzo_> more time for people to org their rx systems
[16:30] <craag> Yep. And maybe I can sort out this gps latency by then.
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[16:40] <eroomde> in what way is it latent craag ?
[16:42] <craag> eroomde: Just the polling of the module. It appears to take almost a second for it to respond to a binary message poll.
[16:43] <eroomde> that's odd
[16:46] <craag> Mm, I'm going to try upping the baudrate. But different ways of reading the message from the AVR uart appear to corrupt it. It's rather strange but I haven't watched the serial bus directly with ucenter, so this delay'll give me a chance to do that and find out exactly what's happenning.
[16:46] <craag> Probably just me trying to use the uart wrong.
[16:49] <eroomde> you can run octave in ipython
[16:49] <eroomde> golly
[16:50] <Randomskk> wat
[16:50] <eroomde> http://nbviewer.ipython.org/urls/raw.github.com/ipython/ipython/d835d46dcc50043971b4a9915398bad1b5d63648/docs/examples/notebooks/octavemagic_extension.ipynb
[16:50] <Randomskk> ...omg
[16:50] <eroomde> I KNOW
[16:51] <Randomskk> this changes everything
[16:51] <jonsowman> lol
[16:52] <eroomde> http://i.imgur.com/A46JK.gif
[16:52] <jonsowman> :D
[16:52] <jonsowman> do you have a stock of these for such moments?
[16:52] <eroomde> i bought an optimus keyboard prime
[16:53] <eroomde> and have a different gif loaded into every oled key
[16:53] <eroomde> and i just hit the key
[16:53] <jonsowman> hahah
[16:53] <eroomde> and it prints the url
[16:53] <jonsowman> that is the best idea I've ever heard
[16:54] <eroomde> this is going to blow james's mind
[16:54] <eroomde> he loved ipython notebook
[16:54] <eroomde> but has so so much legacy difficult stuff written in octave
[16:54] <eroomde> like entire routines that do van de Walls forces corrections on gas modelling for all the flow measurement in rockets
[16:55] <eroomde> and
[16:55] <eroomde> well just tonnes of stuff
[16:55] <eroomde> and
[16:55] <Randomskk> this is so fantastic
[16:56] <Randomskk> I can do all my coursework in ipynb yay
[16:57] <eroomde> there is great excitement in the Airborne House
[16:58] <jonsowman> :)
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[17:05] <HixWork> C'est le weekend a bientot
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[17:19] <arko> morning!
[17:19] <jonsowman> morning
[17:20] <jonsowman> it's 5.20pm, but nvm
[17:20] <arko> :P
[17:20] <arko> sounds like time to go home
[17:20] <arko> i shall use this excuse to go home and work on my hab
[17:20] <jonsowman> I've not been out of the house today
[17:20] <jonsowman> it's very depressing
[17:20] <jonsowman> :(
[17:20] <arko> aww
[17:21] <jonsowman> how is your hab going?
[17:28] <Guest24600> Do you guys conformal coat your boards before flying them?
[17:28] Nick change: Guest24600 -> Elijah_
[17:28] <fsphil> I never have
[17:28] <jonsowman> not really required
[17:29] <Elijah_> We don't usually either, but the last flight I flew a new board the processor shorted out shortly after launch
[17:29] <Elijah_> aah, ok
[17:29] <fsphil> sounds more like a manufacturing issue
[17:29] <jonsowman> yeah, tin whisker or something
[17:29] <jonsowman> maybe
[17:29] <fsphil> or static zap
[17:30] <jonsowman> yeah
[17:30] <fsphil> I'm always worried about that happening
[17:30] <Elijah_> Might be, I stuffed the board myself
[17:30] <Elijah_> couldn't find any shorts external to the processor after the fact
[17:31] <fsphil> how do you know it was a short?
[17:31] <Elijah_> one side of it hot ridiculously hot, when I lifted the Vdd pin on that side it went away
[17:31] <Elijah_> *got
[17:32] <fsphil> was it in the right way?
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[17:32] <Elijah_> hehe yes, worked before the launch ;-)
[17:32] <fsphil> just checking :)
[17:32] <fsphil> I've done that a couple of times...
[17:32] <Elijah_> surface mount part
[17:32] <Elijah_> yeah, me too
[17:34] <fsphil> does the cpu work out of the circuit?
[17:34] <fsphil> the short could be in the IC itself
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[17:35] <fsphil> I've seen ICs short out internally before
[17:35] <fsphil> esp. if there was a power surge
[17:38] <Elijah_> Yeah that's what it is
[17:38] <Elijah_> shorted internally, when I lifted that pi,
[17:39] <Elijah_> the PS voltage came up enough to let it run and it actually still ran
[17:39] <Elijah_> just all the I/O pins on that side were dead
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[17:43] <Elijah_> Although not sure why there would be a power surge just after launch, it's one of those 'simple sswitcher' regulators
[17:43] <Elijah_> going from ~12v to 3.3
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[18:23] <jcoxon> evening all
[18:25] <jonsowman> hi
[18:25] <Upu> evening
[18:25] <Upu> question
[18:25] <Upu> FL245 (flight level)is what altitude ?
[18:25] <Upu> 8.1km ?
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[18:26] <jonsowman> I thought the number was in 100s of feet
[18:26] <jonsowman> so 24500ft
[18:27] <jonsowman> 7.5km ish?
[18:27] <Upu> sounds right
[18:27] <Upu> just having NOTAM issues for Monday
[18:27] <jonsowman> what's up?
[18:28] <Upu> time of flight is 0900-1600
[18:28] <Upu> and we were going to launch at 16:30
[18:28] <Upu> also specifically says remains in UK airspace
[18:28] <Upu> no chance
[18:28] <jonsowman> hmm
[18:30] <Hiena> Upu: Well, you have few hours to take over Europe and declair as part of the UK. God bless the Empire!
[18:30] <Upu> heh
[18:31] <Hiena> Guess, I watched too much Code Geass episode...
[18:31] <jcoxon> Upu, does it actually say remains in uk airspace
[18:31] <jonsowman> Upu: yeah, this ^
[18:31] <Upu> yes quite specifically
[18:32] <jonsowman> may I have a look?
[18:32] <jcoxon> as at the top its not really in uk airspace
[18:32] <NigeyS> hmm odd that they would add that specifically...
[18:32] <Upu> the said balloons to fly within the United Kingdom controlled airpsace and with the untied kingdom airspace at or above FL245
[18:33] <jonsowman> Upu: yes, but read the paragraph above
[18:33] <jonsowman> it is an exemption from the UK ANO to enable them to fly through UK airspace
[18:33] <jonsowman> it does not prevent them leaving it
[18:33] <Upu> hmm
[18:34] <Upu> hmm ok
[18:34] <Upu> so as long as I get it above FL245 before 16:00 we are ok
[18:34] <jcoxon> thats teh way we've always approached it
[18:34] <Upu> 1.2m/s ascent yay :)
[18:34] <jcoxon> that you need to get out of uk airspace
[18:34] <jcoxon> asap
[18:34] <jcoxon> and then you are all good
[18:34] <Upu> going to be in uk airspace for 8-12 hours
[18:34] <Upu> its having a trip down to cornwalll
[18:34] <jonsowman> it's badly worded, but the meaning is clear enough I think
[18:35] <jonsowman> you're good to go :)
[18:35] <Upu> ok thanks for the clarification
[18:35] <Upu> 13:00 I think
[18:35] <Upu> get it way over FL245 before 16:00
[18:35] <jonsowman> :)
[18:35] <Upu> still won't be at altitude for sunset @17:30
[18:35] <Upu> all good thanks
[18:36] <Upu> ok thats one panic out of the way
[18:36] <jonsowman> hehe
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[18:40] <arko> jonsowman: hab is going well, just a lot of testing to be done
[18:40] <arko> hw is ready
[18:40] <jonsowman> pics etc?
[18:41] <jonsowman> are you doing this on your own, or with your hackspace?
[18:41] <arko> selffunded with the hackerspace
[18:41] <jonsowman> cool
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[18:53] <chrisstubbs> Evening guys
[18:53] <arko> evening
[18:54] <chrisstubbs> Just been doing some EAGLE, do i need to connect the AVCC on the MEGA168?
[18:55] <jonsowman> if you're planning to use the ADC, yes
[18:56] <jonsowman> if not, connect it anyway :)
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[18:56] <jonsowman> (and turn the ADC off if you care hugely about power consumption)
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[18:59] <chrisstubbs> So are the AVCC and AREF different?
[19:00] <jonsowman> yep
[19:00] <chrisstubbs> also i use the 1.1v internal regulator so the AREF should not be connected, would the same apply to the AVCC?
[19:00] <jonsowman> no
[19:00] <jonsowman> AVCC supplies power to the ADC
[19:00] <jonsowman> AREF is its reference voltage
[19:01] <jonsowman> if you use the internal ref, you must not connect AREF to an external voltage source, but AVCC must still be connected to VCC
[19:01] <chrisstubbs> ok so that should just go to +5v
[19:01] <jonsowman> the datasheet explains in more detail and is worth reading :)
[19:01] <chrisstubbs> im downloading the datasheet now, but its very slow :(
[19:01] <jonsowman> have a cuppa
[19:01] <arko> protip: datasheets make an excellent bedtime story
[19:02] <lz1dev> until you realize its 6 in the morning
[19:02] <arko> hehe
[19:03] <chrisstubbs> cool, im going to etch a SMD breakout board tommorow out of some copper clad
[19:03] <jonsowman> I can't read in bed
[19:03] <jonsowman> I just insta-sleep
[19:04] <chrisstubbs> just to practice TQFP soldering and have a play with my new chips
[19:04] <arko> nice
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[19:04] <chrisstubbs> feeling pretty confident i can etch down to that pitch without all the pins just merging together. but we will see how it goes
[19:05] <jonsowman> have some flux and solder braid at the ready
[19:05] <jonsowman> a hot air station is good too if you can get hold of one
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[19:07] <chrisstubbs> yeah im pretty much ready, hot air gun will have to do!
[19:10] <chrisstubbs> only have thru hole caps and crystal though, i was hoping maplin would stock SMD ones so i can put it together properly :(
[19:11] <chrisstubbs> oh well :) How is eveyone?
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[19:11] <griffonbot> @Mariano817: Se está terminando una semana intensa de trabajo. Felicitaciones al equipo #CUSF [http://twitter.com/Mariano817/status/305032117895720962]
[19:11] <jonsowman> lol ^
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[19:21] <arko> man those quadrotors
[19:21] <arko> http://www.youtube.com/watch?feature=player_embedded&v=pp89tTDxXuI
[19:21] <arko> not sure if i posted the other day
[19:23] <Upu> they will take over the world mark my words
[19:24] <fsphil> yep, we're doomed
[19:26] <fsphil> sounds like an angry swarm of wasps
[19:26] <Hix> speaking of wasps has anyone seen the nano copters the MOD are trialling
[19:27] <Hix> ~2"
[19:27] <arko> i shall help bring this doom
[19:27] <arko> sorry guys
[19:27] <arko> the math problem is wayyy to cool
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[19:29] <fsphil> just don't sing the doom song
[19:35] <arko> wow
[19:35] <arko> http://crrcam.blogspot.com/2013/02/first-glance-impression-from-data-on.html
[19:35] <arko> armenia elections rigged
[19:36] <arko> or at least it's very likely
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[20:10] <costyn> so... http://imgur.com/a/8JY4w#5 I have some free space in my payload. was thinking of filling it up with (small) polystyrene balls. what do you guys think?
[20:11] <fsphil> or blocks. cut them to the right shapes to fill it up
[20:12] <fsphil> I'd make a little compartment around the camera
[20:12] <fsphil> keep the air flow away from the pcb
[20:12] <Upu> costyn
[20:12] <Upu> http://imgur.com/a/6AozF
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[20:12] <Hix> it'd still allow stuff to shift
[20:12] <daveake> and protect the buttons from touching anything
[20:12] <Upu> I make little compartments for everything
[20:13] <costyn> the camera is bolted down, literally
[20:13] <Hix> heh Upu, see you're using the windows manuals ;p
[20:13] <costyn> there's a 2mm ABS plate embedded in the XPS bottom, which the camera is screwed onto. it's not going anywhere this time :)
[20:14] <Upu> MCSE books :)
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[20:14] <Hix> I'm currently working on a plebs guide to hourly | being one, I am well qualified to write it
[20:14] <costyn> Upu: looks nice
[20:14] <fsphil> I've an old book on DCOM in the attic. keep meaning to dump it
[20:15] <Upu> hot glue
[20:15] <Hix> Upu-por
[20:15] <Hix> oops
[20:15] <Hix> ha
[20:15] <costyn> Hix: lol
[20:15] <Upu> lol
[20:15] <Hix> Uhu-por
[20:15] <costyn> Hix: I always think that too when I see it
[20:15] <Hix> sticky creature that Anthony
[20:16] <Hix> he is here costyn :)
[20:20] <chrisstubbs> Ugh, just did all my tracks in eagle as lines instead of traces
[20:20] <chrisstubbs> took ages to figure out why the rats nest was still there :(
[20:21] <fsphil> hullo craag. not going ahead tomorrow?
[20:21] Lunar_Lander (~gd-compto@p54889522.dip.t-dialin.net) joined #highaltitude.
[20:22] <Upu> is that Habjoe ?
[20:22] <Lunar_Lander> evening
[20:22] <Upu> evening Lunar_Lander
[20:22] <fsphil> the SHARP one
[20:22] <Upu> so is Habjoe still flying tomorrow ?
[20:22] <Upu> oh
[20:22] <Upu> march
[20:22] <Upu> ignore me
[20:23] <fsphil> don't think there's any this weekend
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[20:25] <Hix> next week looks really good for flights, virtually no wind so short retrieves
[20:26] <fsphil> tuesday is awsome here. landing about 500m away from launch
[20:26] <fsphil> +e
[20:27] <daveake> With a high flight I can get the initial westward ascent cancelled out by the later eastward one
[20:28] <costyn> fsphil: nice
[20:28] <Hix> initial plebs hourly | http://ukhas.org.uk/guides:hourlypredictor
[20:31] <costyn> Hix: how is yours coming along?
[20:31] <Hix> just rar'ing a generic image
[20:31] <Hix> costyn, I reinstalled the VM and changed a few things and now it's fine
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[20:32] <mfa298> if we're doing a vmware image it's probably worth looking at something like ovf (assuming you can use ovf in vmware player)
[20:32] <Hix> offline atm as rar'ing it so i have a generic image to upload to server then link on wiki
[20:33] <Hix> ahh, bugger don't know about ovf
[20:34] <mfa298> just raring up an image can have various issues. Chris' image won't work on my vmware server
[20:34] <mfa298> there also looked to be a load of extra stuff on that image that really doesn't need to be there
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[20:35] <Hix> ok, i'll kill that then. someone feel free to add an image to the wiki
[20:35] <Hix> and change the user options
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[20:36] <mfa298> i can have a look at creating a better image, I've not created an ovf setup before but I've used them.
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[20:37] <mfa298> my image isn't bad but it's tied into stuff I run here so won't work for anyone else but it shouldn't be too hard to make a standalone version.
[20:37] <fsphil> this is not how you're suppose to package software :)
[20:38] <chris_> shame project blast is postponed
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[20:38] <Hix> costyn: http://flight-predictor.widerimage.co.uk/
[20:39] <fsphil> I guess Ivanova was wrong, no boom tomorrow
[20:39] <costyn> Hix: nice, good to see it's working! :)
[20:39] <Hix> f-in-a
[20:40] <costyn> :D
[20:40] <Hix> apart from the NOTAM issue that land to sea ratio rules \m/
[20:46] <chrisstubbs> UPU payload looking good, is that your euro one flying this weekend?
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[20:53] <daveake> Monday
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[20:55] <fsphil> weekends are too easy
[21:00] <daveake> Neither flight is easy eithe
[21:00] <daveake> r
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[21:04] <chrisstubbs> PCB is designed, im off to watch Skyfall for a bit :)
[21:04] <fsphil> bad name for a HAB
[21:04] <chrisstubbs> Haha
[21:05] <Lunar_Lander> XD
[21:05] <fsphil> I've heard it's a good movie
[21:07] <daveake> It is
[21:07] <daveake> Saw it at the cinema
[21:07] <daveake> So good I got the bluray today :)
[21:08] <fsphil> nice
[21:08] <fsphil> do bluray disks come with unskippable ads?
[21:09] <daveake> some do
[21:09] <fsphil> urg
[21:10] <daveake> That said I can't remember the last time I saw that
[21:11] <fsphil> I got one a while back, one of the X-Men movies I think, that had so many ads at the start that I ended up returning it. said it was broken, which was kinda of true
[21:11] <daveake> lol
[21:11] <fsphil> was about 5 minutes of ads
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[21:17] <Upu> evening chrisstubbs thanks as Dave says Monday
[21:17] <Upu> around 14:00
[21:24] <arko> i need more coffee :(
[21:27] <Upu> this beer is going down well
[21:27] Action: fsphil has some generic brand cola
[21:27] <fsphil> and a toffee crisp
[21:27] <fsphil> mmm
[21:27] <Upu> Stella
[21:27] <Upu> I'm a classy person
[21:27] <Lunar_Lander> evening Upu
[21:28] <Upu> evening Kevin
[21:28] <Upu> our floaty thing me be in range of you on Tuesday night if it lasts that long
[21:28] <nigelvh> I find it to be the biggest load that the bluray disc you BOUGHT has ads on it. And they wonder why people pirate films...
[21:28] <Upu> so bring the radio home
[21:28] <Lunar_Lander> tuesday?
[21:28] <fsphil> this is true nigelvh
[21:28] <Lunar_Lander> so I have to remember to take it home on monday
[21:28] <Upu> we are launching Monday
[21:28] <Lunar_Lander> yeah
[21:29] <Upu> its likely to float overnight down through France and on to Southern Germany
[21:29] <nigelvh> In any case, how's the afternoon treating you all?
[21:29] <Upu> and on towards lz1dev
[21:29] Action: fsphil is having a nice lazy evening
[21:29] <Upu> yep same here
[21:29] <Upu> beer in one hand
[21:29] <Upu> Armin Van Buren on the radio
[21:29] <Upu> chilling out
[21:29] <fsphil> nice
[21:29] <nigelvh> I just got finished potentially fixing our dryer.
[21:30] <lz1dev> Upu: yeah?
[21:30] <Upu> lz1dev http://habhub.org/predict/#!/uuid=6dd09a17fe12149bf057ab1969d8f4e8931debc1 might be coming your way if it
[21:30] <nigelvh> The lint hose got all blocked, so it wasn't drying well.
[21:30] <Upu> lasts long enough
[21:30] <Upu> thats assuming 2 days in the air
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[21:30] <Upu> which can happen
[21:31] <fsphil> using the big HH?
[21:31] <Upu> HH ?
[21:31] <fsphil> H2
[21:31] <Upu> yeah no real choice
[21:32] <lz1dev> Upu: will it be doing aprs around here, or rtty?
[21:32] <Upu> both at the same time
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[21:32] <Upu> interrupts ftw
[21:32] <fsphil> please work please work please work
[21:32] <Upu> RTTY on 434.400
[21:32] <Upu> and 2 min APRS beacons
[21:32] <Upu> 144.800
[21:33] <Upu> Would be amazing if it managed 24 hours
[21:33] <Upu> optimistically the recovery message on it is in English, French and Russian
[21:33] <Upu> batteries for 5 days
[21:33] <Upu> well 6
[21:33] <arko> woah
[21:33] <arko> when is this launch?
[21:34] <Upu> Monday
[21:34] <mattbrejza> is all of EU on 144.800?
[21:34] <fsphil> yep
[21:34] <arko> oh awesome
[21:34] <mattbrejza> russia?
[21:34] <Upu> yeah fortunately
[21:34] <fsphil> unknown
[21:34] <Upu> yes Russia also 144.800 and CEPT
[21:34] <lz1dev> Upu: whats the callsign ?
[21:34] <Upu> prefix RA
[21:34] <fsphil> ah nice
[21:34] <Upu> M0UPU-11
[21:34] <Upu> http://imgur.com/a/6AozF
[21:35] <fsphil> English, French and Russian language. I bet it lands in Germany
[21:35] <Upu> lol
[21:35] <Upu> yeah
[21:35] <lz1dev> haha
[21:35] <lz1dev> the windows 7 books
[21:35] <lz1dev> good use
[21:35] <Upu> yep :)
[21:35] <Upu> 6 AA Energizers
[21:36] <lz1dev> how long will the batts last?
[21:36] <Upu> 6 days
[21:36] <mattbrejza> how about borat land and surrounding countries for aprs?
[21:36] <mattbrejza> cba to actually spell that country :P
[21:36] <Upu> the 6 are arranged in a pack that gives 9000mAh @ 3.4v
[21:36] <Upu> we are good out past Turkey
[21:37] <Upu> if it gets to
[21:37] <Upu> sec spelling
[21:37] <Upu> Kazakhstan
[21:37] <Upu> there is no APRS coverage anyway
[21:37] <fsphil> Stan to its friends
[21:38] <Upu> if it gets there mission accomplished
[21:38] <OZ1SKY_Brian> Kazakhstan only have SAM coverage
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[21:38] <Upu> tbh we'll probably loose it if it gets to Russia
[21:38] <Upu> btw just for the record this is a combination of alot of peoples work
[21:38] <mattbrejza> if you placed that american balloon trace starting from the uk it would get to china?
[21:38] <Upu> yeah easily
[21:39] <fsphil> I like to think that Storm got to china :)
[21:39] <Upu> some of the code is from fsphil & Nigels code
[21:39] <Upu> geofences from Steve
[21:39] <Upu> code from jcoxon
[21:39] <Upu> and the Joey team
[21:39] <Upu> Daveake
[21:40] <Upu> so this is more a UKHAS launch than me tbh
[21:40] <Upu> so basically
[21:40] <Upu> if the geofences fail its fsphil & nigels fault
[21:40] <Upu> :)
[21:40] <OZ1SKY_Brian> lol
[21:40] <mattbrejza> code wise anyway
[21:40] <fsphil> last person to compile it gets the blame :)
[21:40] <Upu> given the recent performance of hwoyee its likely to burst on Day 2 after sunrise
[21:41] <mattbrejza> did i see james' callsign on a board too?
[21:41] <Upu> yes
[21:41] Nick change: chrisstubbs -> cslaptop
[21:41] <fsphil> slap top?
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[21:42] <Upu> if nothing else its going to give people alot of time to practice receiving a balloon in the UK
[21:42] <Upu> as its likely to be in range of UK stations for over 24 hours if it stays up
[21:42] <fsphil> it'll be the first aprs balloon received in the UK too
[21:42] <Upu> yeah that is a slight irony
[21:43] <fsphil> on 144.800
[21:43] <mattbrejza> that mass effect balloon was aprs, not on 144.8 mind you
[21:43] <Upu> due to the flight path its entirely likely to get digirepeated by southern UK stations whilst over france
[21:43] <mattbrejza> heh
[21:43] <chrisstubbs> I get home from work at about 4 so i will try and tune in if i am in range upu :)
[21:43] <fsphil> just remembered that mattbrejza :)
[21:43] <Upu> which one was the mass effect one ?
[21:43] <mattbrejza> hopefully your rtty will place nice with my decoder, if its interrupt driven it should
[21:44] <Upu> yeah the RTTY uses one timer, the APRS uses the other (thanks fsphil)
[21:44] <Upu> so timing wise should be ok
[21:44] <Upu> however
[21:44] <Upu> all eggs in one basket (pcb)
[21:44] <Upu> so fingers crossed
[21:45] <mattbrejza> needless to say sharp's timing wasnt up to the challenge
[21:45] <Lunar_Lander> fsphil, xD Slap Chop
[21:45] <Lunar_Lander> do you know that one?
[21:45] <Upu> I've measured the timing on Salae
[21:45] <fsphil> can't say I do Lunar_Lander
[21:45] <Upu> and its spot on
[21:45] <Upu> Saleae
[21:46] <mattbrejza> odd name that one
[21:46] <fsphil> I can never spell that too
[21:46] <Upu> nice kit though
[21:46] <Lunar_Lander> fsphil, https://www.youtube.com/watch?v=UWRyj5cHIQA
[21:46] <Upu> awesome wife bought me one for XMAS
[21:47] <fsphil> lol
[21:49] <Jess--> how are you running aprs from the air on 144.800? I'm assuming it's not being operated by a UK ham
[21:50] <fsphil> it is, but not in UK airspace
[21:50] <fsphil> pretty much everywhere else allows it
[21:51] <arko> saleae is the best
[21:51] <Jess--> I see, my first thoughts were to tx on a ham band but of course I found that the UK license specifically excludes airborne operation
[21:51] <arko> they also do edu discounts
[21:52] <fsphil> Jess--: yea, it would be a lot simpler if that rule didn't exist
[21:52] <arko> heh yeah
[21:52] <Upu> hi Jess
[21:52] <Upu> I've spend 2 weeks geofencing Europe
[21:52] <Jess--> even if they imposed a low pewer limit on airborne it would be a lot nicer
[21:52] <Upu> so my code knows which country its in
[21:52] <fsphil> Jess--: I would argue though, that because of that rule we've actually came up with a better system
[21:52] <jonsowman> Jess--: if ofcom did _anything at all_, it would be nice
[21:52] <Jess--> Hi Upu
[21:52] <Upu> so as long as its in UK it doesn't TX APRS
[21:53] <jonsowman> they are utterly hopeless
[21:53] <fsphil> yea 500mw limit even
[21:53] <mfa298> fsphil: i think id agree with you there
[21:53] <fsphil> that's still loads
[21:53] <Upu> https://github.com/Upuaut/APRS_Projects/blob/master/Data/Europe.kml
[21:53] <Upu> agreed jonsowman
[21:53] <fsphil> blob master, sounds like a game
[21:53] <Upu> I did put a NoV request in to TX APRS Airborne back in November
[21:53] <Upu> still waiting
[21:53] <Jess--> there have been 3 hams locally that have had eqpt confiscated over the 2 months
[21:54] <Upu> for what ?
[21:54] <Jess--> so ofcom do seem to be doing some things
[21:54] <Jess--> illegal power, illegal bands
[21:54] <Upu> odd
[21:54] <jonsowman> never heard of that before
[21:54] <Upu> thought they just sat there doing whatever BT told them too
[21:54] <jonsowman> but ok, they do something
[21:54] <mfa298> I imagine they'll come down hard if you impact a paying spectrum user
[21:54] <fsphil> yea I thought they basically ignored amateur operators
[21:55] <Upu> but yep no APRS in the UK
[21:55] <Jess--> one was running 1.5kw on 11 metres so he was an easy target
[21:55] <Upu> Why would you do that ?
[21:55] <fsphil> that's just silly
[21:55] <mfa298> because cb
[21:55] <Jess--> says a lot about the locals around here
[21:55] <jonsowman> well if you're going to break the law
[21:55] <jonsowman> lol
[21:55] <Upu> lol
[21:56] <jonsowman> 1.5kw
[21:56] <jonsowman> blimey
[21:56] <Upu> I've spent alot of time trying to comply with the rules
[21:56] <fsphil> I've done 50w, tops
[21:56] <Upu> I did 200w when trying to get you fsphil
[21:56] <jonsowman> bet they noticed because whenever he transmitted, all the lights went out
[21:56] <Upu> under a 2E license :)
[21:56] <fsphil> ssssh
[21:56] <jonsowman> Upu: :OOOO
[21:56] <Upu> wasn't my fault
[21:56] <number10> cut and paste
[21:57] <number10> ;)
[21:57] <Upu> they didn't tell me the hadn't put the power down
[21:57] <Jess--> I peak at 95w even though I could run 400 (M0 license)
[21:57] <jonsowman> I use a phone
[21:57] <Upu> I peak at 5W because I'm cool
[21:57] <Upu> *and thats all I have
[21:57] <Jess--> 817?
[21:57] <fsphil> I think my rig does 100W
[21:57] <Upu> and I'm currently digirepeating which is probably a violation of the rules too
[21:57] <mfa298> I've got a feeling a lot of the cb amps can be quite dirty so that 1.5kw could have made a lot of noise elsewhere
[21:57] <Upu> yes 817
[21:58] <Upu> attended digirepeater
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[21:58] <Jess--> ft897 and ft2000 here
[21:58] <mfa298> it can be quite satisfying getting a contact on lower power,
[21:58] <fsphil> I've got an 817 and an 857
[21:58] <Upu> in fairness I don't really do much HAM stuff
[21:58] <Jess--> although when I was tracking xaben1 the funcube pro+ outperformed the 897 by miles
[21:59] <Upu> well
[21:59] <Upu> I've always thought the FCD was inferior to the 817
[21:59] <fsphil> low power doesn't work too well on HF
[21:59] <Upu> but I put a power splitter from the Yagi to 817/FCD
[21:59] <fsphil> unless it's a digi mode
[21:59] <Upu> and there is very little in it
[21:59] <Upu> thought 817 still got more decodes
[21:59] <mfa298> fsphil: I had malta on 5w a few years ago on 20m
[22:00] <fsphil> cool!
[22:00] <fsphil> I've called out a few times and never got anything back
[22:00] <mfa298> I'd forgotton to put the power back up after tuning the antenna
[22:00] <Jess--> I dont know about the older FCD but the rx on the Pro plus is outstanding
[22:00] <Upu> Check callsign stats for XABEN41 http://habitat.habhub.org/stats/
[22:00] <fsphil> to be honest, if someone did answer my call I'd probably panic
[22:00] <Upu> M0UPU = 817 M0UPU-1 = FCD
[22:00] <Upu> with a habamp
[22:00] <Upu> same antenna
[22:01] <Upu> 492 vs 446
[22:01] <fsphil> interesting Jess--. My FCD has given me my longest RX range
[22:01] <fsphil> I'll try the FCDP+
[22:01] <fsphil> on the next flights
[22:01] <Upu> Rob Harrison is the only person I've regularly QSO'd with
[22:01] <mfa298> getting responses to a call on hf does seem to be a bit like black magic at times.
[22:01] <mattbrejza> surely with the habamp youre levelling the playing field more?
[22:01] <Upu> but given I can receive him on 10mW
[22:01] <fsphil> just need to raise your voice Upu
[22:01] <Upu> well the HABAMP is after the splitter
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[22:02] <Upu> so the FCD is HABamp'd the 817 isn't
[22:02] <mattbrejza> oh ok
[22:02] <fsphil> you'd get a fairer test with the amp before the split
[22:02] <mattbrejza> na fairer test is withot
[22:03] <mattbrejza> well more useful test rather than fairer
[22:03] <Upu> http://i.imgur.com/hzuDBF8.jpg#
[22:03] <Upu> http://i.imgur.com/hzuDBF8.jpg
[22:03] <Upu> yep
[22:03] <Upu> but amp is powered via bias-t
[22:04] <Jess--> I was receiving on the funcube using a sharmans x50 (2-70 colinear) at 8 feet off the ground (No amps etc)
[22:04] <Upu> I struggle with my colinear now
[22:04] <fsphil> I can't use my FCD on the colinear, the broadcast FM stations and TETRA just wipe it out
[22:04] <fsphil> the FCDP+ would work much better I suspect
[22:04] <fsphil> with its filters
[22:04] <Upu> I got a new splitter today
[22:04] <mattbrejza> yea it has a 434 saw
[22:04] <Upu> that one in the picture is 75ohms
[22:05] <Upu> new one is a mil spec 50 ohm 200-1Ghz
[22:05] <mattbrejza> it looks like a minicircuits thing
[22:05] <fsphil> you can pass power through that splitter from one side Upu
[22:05] <Upu> it is a minicircuits thing
[22:05] <Upu> tbh last time I put the habamp in front it was too much
[22:05] <mattbrejza> mil spec just means someone sat down with a multimeter to make sure the components were higher tolerance than non mil spec
[22:05] <Upu> indeed
[22:05] <Upu> but I like the sound of it
[22:06] <fsphil> lol
[22:06] <Upu> actually
[22:06] <Upu> the non milspec = 200-500Mhz
[22:06] <Upu> milspec 200-1Ghz
[22:06] <Upu> it ws £14 delivered :)
[22:07] <Upu> was
[22:07] <mattbrejza> nice
[22:07] <mattbrejza> i would have guessed at least 30-40
[22:07] <Upu> http://www.ebay.co.uk/itm/Mini-Circuits-ZFSC-2-4-Co-ax-Power-Splitter-Combiner-200MHz-to-1GHz-/360592787215?pt=UK_BOI_Electrical_Test_Measurement_Equipment_ET&hash=item53f501470f
[22:08] <Upu> big antenna can afford the 3db Loss
[22:08] <Jess--> looking at the stats for xaben41 I uploaded 241 messages, I would guess I had another 40 / 50 before I started uploading (I had it from 2700m upwards and then back down to 2700m)
[22:09] <Upu> beats my first attempt
[22:09] <mattbrejza> also my tablet didnt do too badly via craag 's websdr
[22:09] <Upu> I got 3 packets from an ATLAS
[22:09] <Upu> I still have the OSL card
[22:10] <fsphil> I did pretty well my first go, one of Robs flights
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[22:11] <Jess--> if I hadnt got the dongle I wouldn't have received anything
[22:14] <Jess--> aiming to get a pico up in the air over the next couple of months, hardware is built jsut need to work out a launch site (lots of restricted airspace around here in lincs)
[22:14] <Upu> let me know Jess I should be able to receive that easily
[22:15] <Upu> let me know next time you're TXing
[22:15] <Upu> I'll swing the antenna round and see if I can hear you
[22:15] <Jess--> it's the vbrtest that's been popping up, it's already been airborne once taped to a RC plane
[22:15] <Upu> nice
[22:15] <Upu> on at the moment ?
[22:16] <fsphil> variable bit-rate?
[22:16] <Upu> might be a bit far tbh
[22:18] <Upu> best go walk the dog bbs
[22:19] <Jess--> it's on now, 897 shows 434.198
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[22:21] <Jess--> no gps lock yet so it's sending "VBRTEST HAB PAYLOAD ACTIVE. NO GPS DATA AVAILABLE"
[22:24] <Jess--> it's got gps now
[22:26] <Hix> Armen van buren Upu?
[22:26] <Jess--> walking the dog I think
[22:27] <Laurenceb_> a state of HAB?
[22:27] <Hix> hello Jess-- how's the tracker going?
[22:27] <Jess--> it's up and running apart from temp sensors
[22:27] <fsphil> well no signal here in MI0 land :)
[22:28] <Hix> cool - plans to alunch?
[22:28] <Hix> you'll get used to my typing
[22:28] <Jess--> next couple of months on a pico
[22:28] <Hix> nicely
[22:28] <Jess--> your typing is no worse than mine
[22:28] <Hix> look at logs :)
[22:28] <Hix> I have beer so it's improved a lot
[22:28] <fsphil> xchat has a spellchecker :)
[22:29] <Hix> meh
[22:29] <Hix> schmpellchezh
[22:29] <Hix> :)
[22:29] <Hix> camera not dispatched yet, grrrrr
[22:30] <Jess--> current tracker weight (excluding batts) 8.5g
[22:30] Action: fsphil needs to build a wind tunnel to test the parafoil
[22:30] <Lunar_Lander> Hix, Armin is the first name of that DJ
[22:31] <Hix> looking at the predicts, I'm gutted about the fact I cant launch this week #localflight
[22:31] <Laurenceb_> wait wut
[22:31] <Laurenceb_> 8.5grams?!
[22:31] <Hix> Lunar_Lander: i am typoking
[22:31] <Laurenceb_> thats impressive
[22:31] <Lunar_Lander> :P
[22:31] <Upu> yes Hix
[22:31] <Upu> what frequency is it on Jess ?
[22:31] <Hix> Was going to recommend Krueder and Dorfmeister
[22:31] <Hix> no umlaut
[22:32] <Hix> ^^ Upu
[22:32] <Jess--> 434.198 , it should be 434.201 but it's warm so its drifted down
[22:32] <Upu> got about 50 ASOT recordings to work through :)
[22:32] <Upu> k 1 sec
[22:32] <Lunar_Lander> hi Upu
[22:32] <Upu> hello again Lunar
[22:33] <Lunar_Lander> :)
[22:33] <Jess--> http://81.168.22.130/trackershrunk.jpg
[22:34] <Upu> shift is about 500 ?
[22:34] <Jess--> 450
[22:34] <Upu> turn it off
[22:34] <Jess--> hold on
[22:34] <Lunar_Lander> today we had a team talk with our professor
[22:35] <Lunar_Lander> and he was quite astonished that balloons can drift 200 km easily
[22:35] <arko> nice!
[22:35] <Jess--> it's off
[22:35] <Upu> ok I can't see it :)
[22:35] <arko> you just launched?
[22:35] <Lunar_Lander> and I wanted to ask if people can like give numbers on typical distances travelled to track balloons
[22:35] <Upu> no arko
[22:35] <Lunar_Lander> no arko
[22:35] <arko> ohh
[22:35] <arko> no arko
[22:35] <Lunar_Lander> that was just planning who has a car and so on
[22:35] <Jess--> I'll drop it back on
[22:35] <arko> :P
[22:35] <Randomskk> eroomde: pip install oct2py; import oct2py; oct2py.demo()
[22:35] <Lunar_Lander> maybe habmodem by mattbrejza will be tested
[22:35] <Lunar_Lander> :)
[22:35] <Upu> btw Jess that looks like Daveake's bug wired payloads
[22:35] <fsphil> Lunar_Lander: my most distant that I know about was about 500km :)
[22:35] <Lunar_Lander> yea
[22:36] <Upu> https://dl.dropbox.com/u/63720513/Images/HAB/yqjSc.jpg
[22:36] <Randomskk> prepare to be amazed
[22:36] <Jess--> based on daveakes / craags
[22:36] <Upu> cool
[22:37] <Upu> it looks good
[22:37] <Lunar_Lander> one idea I had was to try to get in touch with ham operators in the predicted landing zone
[22:37] <Lunar_Lander> what do you think?
[22:37] <arko> do many have success with a single CR123 for flight?
[22:37] <Upu> not seen anyone bother arko
[22:37] <Upu> AAA with ublox Power saving and an AVR should get you 12 hours
[22:37] <arko> they are usually AA lithium right?
[22:38] <Upu> yep
[22:38] <arko> ahh
[22:38] <arko> cool
[22:38] <arko> im excited, i will be playing with the electronics today :)
[22:38] <Upu> let me show you what you're aiming for
[22:38] <Upu> this is mattbrejza "Size 0"
[22:39] <Upu> http://imgur.com/a/SWyR6
[22:39] <arko> wow
[22:39] <arko> very nice
[22:39] <Jess--> now mine feels big
[22:40] <arko> haha
[22:40] <Hix> heh
[22:40] <arko> i need to check US law and make sure we have that 50g rule
[22:40] <arko> i'd love to do small habs
[22:40] <Hix> is that the mexican border rule arko
[22:40] <Upu> I thought you had a rule that says all payloads must be 5kg or greater arko :)
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[22:40] <Hix> isn't that meals
[22:41] <Upu> https://dl.dropbox.com/u/63720513/Images/Funny/pico.jpg
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[22:41] <arko> Upu: haha
[22:41] <arko> hahahahahaha
[22:41] <arko> the hammer
[22:41] <arko> so amazing
[22:41] <Hix> heh heh
[22:41] <arko> who did this?
[22:41] <Upu> me sorry :)
[22:42] <Hix> he's alightweight
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[22:42] <arko> lol
[22:42] <arko> wait, do we not have a pico rule?
[22:42] <Upu> It was my reaction to finding out about the "MicroTrak" which was 600g
[22:42] <arko> yeah
[22:42] <arko> the MicroTrak is huge
[22:42] <arko> which is going in our next hab
[22:42] <Hix> Upu, do you know of Kruder and Dorfmeister?
[22:43] <arko> it's sad how gigantic it is
[22:43] <Upu> I am aware but haven't got anything by them
[22:43] <Hix> if you've been listening to a.v.h I'll dropbox you some
[22:43] <Upu> go for it
[22:43] <Upu> https://dl.dropbox.com/u/63720513/Images/PCB%20Pictures/pAVAR7b-BatteryConnection.JPG
[22:44] <Upu> thats mine
[22:44] <Hix> not now, as batt about to die
[22:44] <arko> Upu: i think i will make a pico tonight and maybe an american pico too ;)
[22:44] <Upu> lol
[22:44] <Upu> different rules
[22:44] <Upu> you can use APRS
[22:44] <arko> yes
[22:44] <arko> we used it on HABEX1
[22:44] <Upu> much as I slate our silly rules it does make people innovate more
[22:45] <Hix> AmericanPico reminds me of a film :)
[22:45] <arko> man that was a stupid heavy payloa
[22:45] <arko> d
[22:45] <chrisstubbs> Upu what is that tiny little chip near the power?
[22:45] <arko> heh
[22:45] <chrisstubbs> vreg?
[22:45] <Darkside> tps61200
[22:45] <arko> true, i like the smaller payloads very neat
[22:45] <arko> but we can do plenty of camera stuff
[22:45] <arko> so it's not too bad
[22:45] <Upu> yeah its worth pointing out Darkside insipired me to make these
[22:45] <arko> i just want something where i dont have to tell the FAA
[22:46] <Upu> chrisstubbs the back square is a stepup TPS61200 as Darkside says
[22:46] <chrisstubbs> oh the voltage booster, i really hope that wasnt soldered by hand :P
[22:46] <Upu> it was
[22:46] <chrisstubbs> jesus
[22:46] <Hix> robohand
[22:46] <Darkside> they're easy to solder by hand
[22:46] <chrisstubbs> iron or gun?
[22:46] <Darkside> with the right equipment
[22:46] <Upu> iron
[22:46] <Darkside> you just need flux and a good soldering iron
[22:46] <Upu> with a steady hand yes
[22:46] <Hix> chrisstubbs: hows the new iron
[22:47] <chrisstubbs> Good thanks hix, not had much fine pitch stuff to solder yet!
[22:47] <Hix> TQFP will catch you
[22:47] <Hix> :)
[22:47] <chrisstubbs> designed myself a atmega168 tqfp breakout board in eagle earlie. finally got the hang of it
[22:47] <Darkside> TQFP is easy
[22:47] <Darkside> just drag solder
[22:48] <Darkside> get some liquid flux
[22:48] <NigeyS> chrisstubbs, https://twitter.com/NigeyUK/status/301379486455308288/photo/1
[22:48] <Hix> i got a 0.2mm tip
[22:48] <Upu> yeah the tqfp is the easiest bit tbh
[22:48] <Upu> those inductions can be a pain
[22:49] <Jess--> that pavar7 looks nice
[22:49] <Upu> picoAVA rev7 its is Sunday name
[22:50] <NigeyS> Upu, qfn40 !
[22:50] <Lunar_Lander> hi NigeyS
[22:50] <Lunar_Lander> oh btw
[22:50] <Lunar_Lander> I missed it
[22:50] <NigeyS> lo kev
[22:50] <Lunar_Lander> because of our team meeting I can tell it to you
[22:50] <Lunar_Lander> our flight permit is set to March 5
[22:50] <chrisstubbs> was about to post a pic of my PCB, realised i was missing the power trace. DOH
[22:50] <Jess--> certainly be interested when those are available for sale
[22:51] <Upu> they aren't for sale sorry
[22:51] <SpeedEvil> chrisstubbs: :-)
[22:51] <Jess--> awww
[22:51] <Lunar_Lander> xD I posted a launch date and no one notices
[22:51] <Lunar_Lander> :D
[22:51] Action: Darkside falls off his chair
[22:52] <Hix> wasn't in the mailing list Lunar_Lander
[22:52] <Hix> ;p
[22:52] <Lunar_Lander> XD
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[22:53] <Hix> hmmm 8% battery gute nacht mein freunds
[22:53] <chrisstubbs> http://chris-stubbs.co.uk/hab/168%20breakout.png
[22:53] <chrisstubbs> night Hix
[22:53] <chrisstubbs> and sounds promising Lunar!
[22:54] <Upu> meh through hold
[22:54] <Upu> me
[22:54] <Upu> meh
[22:54] <Lunar_Lander> thanks :)
[22:54] <Upu> hole
[22:54] <Upu> Jess-- PM
[22:54] <chrisstubbs> Nice one Upu :L
[22:55] <chrisstubbs> I wanted to do it all SMD, but im lacking parts :(
[22:55] <Upu> Redo that with 0603's and I'll post you some
[22:55] <Upu> its only some 18/22pF caps
[22:55] <Upu> you're missing some decouping caps
[22:55] <chrisstubbs> yes i am, well spotted
[22:55] <Upu> and a 10k resistor
[22:56] <Darkside> and a ground plane
[22:56] <chrisstubbs> do you have any SMD crystals?
[22:56] <Upu> yeah
[22:56] <Darkside> (maybe)
[22:56] <griffonbot> Received email: Tomasz Brol "[UKHAS] Re: SPUTNIK-2 aka SP9UOB-4 launch, 27.01.2013 at 14:00 UTC"
[22:56] <Upu> grab ava.lbr from my github
[22:56] <chrisstubbs> i have it, thats where i got the chip :)
[22:56] <Upu> use the crystal pad int hat
[22:56] <Upu> it can take SMD HC49
[22:56] <chrisstubbs> will start a list of changes
[22:57] <Upu> and a Abracron ABM03
[22:57] <Upu> same pad
[22:57] <Lunar_Lander> Darkside, are you OK?
[22:57] <chrisstubbs> cheers :)
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[22:59] <Darkside> no
[22:59] <Darkside> you made me fall off my chair
[22:59] <Darkside> you horrible person
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[23:04] <SP9UOB_Tom> evening all
[23:05] <Lunar_Lander> hey SP9UOB_Tom
[23:05] <Lunar_Lander> Darkside, ohhh
[23:05] <Lunar_Lander> do we need a forklift?
[23:05] <Lunar_Lander> xD
[23:05] <SP9UOB_Tom> Hi Lunar_Lander
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[23:05] <Lunar_Lander> SP9UOB_Tom, guess what is planned to happen on march 5
[23:05] <SP9UOB_Tom> Lunar_Lander: hmmmm Pizza party ;-) ?
[23:05] <nigelvh> Apocalypse
[23:06] <Lunar_Lander> XD hopefully not
[23:06] <Lunar_Lander> btw Orbital Science Corporation's Antares rocket has its hotfire test at the moment
[23:07] <SP9UOB_Tom> Lunar_Lander: so - what about march 5 (15 days before my birthday ;-)
[23:07] <Lunar_Lander> cool
[23:07] <Lunar_Lander> my flight is planned for it
[23:07] <SP9UOB_Tom> Lunar_Lander: great
[23:07] <Lunar_Lander> :)
[23:07] <SP9UOB_Tom> anyway, sputnik-2 was found in Hungary - near Romanian Border :-)
[23:08] <Upu> hey SP9UOB_Tom
[23:08] <Upu> congrats on "recovery"
[23:08] <SP9UOB_Tom> http://sp9uob.verox.pl/sputnik-2/small-sp9uob-4.jpg
[23:08] <SP9UOB_Tom> Upu: thanks ;-)
[23:08] <Upu> I've done a message on mine in English , French and Russian
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[23:09] <SP9UOB_Tom> Upu: should be enough
[23:09] <Upu> should be good unless as someone pointed out it lands in Germany :)
[23:09] <chrisstubbs> nobody noticed i had connected VCC and GND together ;)
[23:10] <Upu> this will not end well chrisstubbs
[23:10] <SP9UOB_Tom> chrisstubbs: this provides additional heater for the payload.
[23:10] <chrisstubbs> to think i was going to just go and etch that tommorow morning and expect it to work :P
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[23:32] <chrisstubbs> Upu do you have any SMD LEDs too? :)
[23:32] <Upu> I do
[23:32] <Upu> 0603
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[23:33] <chrisstubbs> If i send you the finished drawing, give me a price for the compoennts and i well send you it + some stamp money :)
[23:33] <Upu> sure
[23:34] <Upu> 100nF caps and 10k resistors are nothing
[23:34] <Upu> I bought 5000 of each
[23:34] <chrisstubbs> jeez
[23:34] <chrisstubbs> i guess the crystal is about 50p?
[23:34] <Upu> 80p or something
[23:35] <chrisstubbs> ok no prob
[23:36] <Upu> http://www.digikey.com/product-detail/en/ABLS-8.000MHZ-K4T/535-9937-1-ND/2001560
[23:36] <Upu> probably about a quid with the vat etc
[23:36] <chrisstubbs> oh yeah course you have to run them at 8mhz for 3v3
[23:37] <chrisstubbs> routing traces seems much harder in SMD, you cant just run them under resistors :(
[23:38] <Upu> yeah you can
[23:38] <Upu> smaller track :)
[23:39] <chrisstubbs> sounds like a recipe for disaster with my unsteady hands and no solder mask
[23:40] <chrisstubbs> Sod it i was never going to use AREF and ADC6 anyways
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[23:50] <chrisstubbs> Upu think im done :) http://chris-stubbs.co.uk/hab/168%20breakout.png
[23:51] <chrisstubbs> dropped the regulator becuase it wasnt SMD
[23:52] <Hix> chrisstubbs: that 50x50?
[23:53] <chrisstubbs> i have no idea, i just made it up
[23:53] <Hix> you've got loadsa room for a reg
[23:55] <chrisstubbs> true, ill stick it on the right
[23:56] <Hix> 50x50 http://i.imgur.com/2yuXDQz.png TQFP on bottom, see loadsa room. Assuming you're going #hackvana?
[23:57] <chrisstubbs> :O
[23:57] <chrisstubbs> that board really puts mine to shame haha
[23:57] <arko> very nice
[23:57] <chrisstubbs> i was going to attempt to etch it myself...
[23:57] <arko> chrisstubbs: no ICSP port?
[23:58] <arko> Hix: that board is very nice, two transmitters?
[23:58] <chrisstubbs> nah i will just program it using an arduino anyways so i can just use the brokwn out pins
[23:58] <Hix> ahh, fair enough chrisstubbs but for the money #hackvana is amazing value and less mess
[23:58] <arko> excuse me thats the GPS
[23:58] <arko> ublox
[23:58] <Hix> :)
[23:58] <Hix> nps arko
[23:58] <arko> chris cool
[23:58] <chrisstubbs> yeah i well deffo get my final board done there, but i fancied it as a weekend project
[23:58] <arko> the footprint fooled me as something else Hix :p
[23:59] <Hix> fair nuff
[23:59] <Hix> :)
[23:59] <chrisstubbs> It will probably go hideously wrong and all the tracked will just dissapear. But worth a try
[23:59] <chrisstubbs> Tracks
[00:00] --- Sat Feb 23 2013