highaltitude.log.20130318

[00:04] <Hix> FT817 to ipad interface i saw the other week - only just got the URL http://www.zindello.com.au/wordpress/shop/817ipad-interface-complete/
[00:04] <Hix> costyn - mentioned it to you
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[00:29] <fsphil> sky cleared up very quickly there, no clouds at all but also no aurora
[00:41] <arko> mmm
[00:41] Action: arko eats an apple
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[00:45] <fsphil> apples are nice
[00:46] <fsphil> and banannas
[00:49] <arko> i got this octo apple cutter
[00:49] <arko> it's awesome
[00:49] <arko> apples 24/7
[00:50] <arko> now i need to buy an oreo dispenser with a milk chiller and im set for life
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[02:20] <SpeedEvil> uht milk, and a minifeodge
[02:26] <shenki> 3~>
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[05:35] Nick change: arko -> arko_
[05:49] <arko_> http://www.mrdoob.com/lab/javascript/effects/solitaire
[05:49] Nick change: arko_ -> arko
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[07:17] <eroomde> arko: morning
[07:18] <arko> sup dude
[07:18] <eroomde> how are tings?
[07:18] <arko> well, lost in the land of a million transistors
[07:19] <eroomde> fpga?
[07:19] <arko> yeah
[07:19] <arko> final on thursday for that
[07:19] <arko> it's easy, just a lot of busy work :/
[07:19] <arko> i find myself saying "the compiler would optimize this"
[07:20] <arko> rather than all these manual minimization techniques
[07:20] <arko> i digress
[07:20] <eroomde> like a mathematician
[07:20] <eroomde> get as far as proving that a solution exists
[07:20] <eroomde> the rest is busywork for someone else
[07:20] <arko> haha
[07:20] <arko> yep
[07:24] <eroomde> went to a decent modernd landscape photography exhibition yesterday
[07:25] <eroomde> it was good
[07:25] <eroomde> there is a sample on the grauniad
[07:25] <eroomde> http://www.guardian.co.uk/artanddesign/gallery/2013/mar/15/changing-face-landscape-photography-exhibition
[07:25] <arko> oh?
[07:27] <arko> neat
[07:28] <arko> wow man, these are nice
[07:28] <arko> Nickel Tailing No 34
[07:28] <eroomde> amazing how much nicer pictures are in a frame and 20x30"
[07:28] <eroomde> i must do that more
[07:28] <arko> heh, frame
[07:28] <arko> it actually does help
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[07:29] <arko> i think my brain is starting to fail
[07:30] <arko> i cant process info anymore
[07:30] <arko> btw, i applied for a passport
[07:30] <eroomde> oh nice
[07:30] <arko> talked to Upu, gonna figure out tickets after my hab in 2 weeks
[07:31] <eroomde> cool
[07:31] <eroomde> excitotron
[07:32] <arko> worrrd
[07:32] <arko> finally get to leave one piece of land and return to 0,0,0,0
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[07:33] <arko> relative to earths reference frame of course
[07:35] <arko> have there been any hab's launched at ukhas?
[07:38] <eroomde> at the conference?
[07:38] <arko> ya
[07:38] <eroomde> nope
[07:38] <arko> hmmm
[07:38] <eroomde> it's always been central london so far
[07:38] <eroomde> which is deeply un hab friendly
[07:38] <arko> aww
[07:38] <arko> kk
[07:48] <number10> we could try and arange one for the day after
[07:49] <arko> that's be cool
[07:49] <arko> that'd*
[07:50] <arko> i think this maybe my first conference where there isn't booze being served
[07:51] <eroomde> there probably will be afterwards
[07:51] <arko> awesome
[07:51] <Hix> probably?
[07:51] <arko> i want to see your rocket labs eroomde
[07:51] <eroomde> well, there has been 100% of the time since UKHAS conferences began :)
[07:51] <arko> if that can be arranged
[07:52] <eroomde> come and visit oxford
[07:52] <eroomde> and you will
[07:52] <arko> epic
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[07:52] <arko> i look forward to oxford and cambridge
[07:52] <Hix> 100% wil do me, that's a safe neough margin
[07:52] <eroomde> i'll have to check with ITAR and the company central administration, of course
[07:52] <arko> lol
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[08:16] <arko> ok it's time to sleep
[08:16] <arko> night yall, catch you guys in the morning
[08:17] <number10> cu
[08:17] <arko> before i go
[08:17] <arko> eroomde: http://www.engadget.com/2013/03/17/nasa-jpl-tom-rivellini-backstage-expand/
[08:18] <arko> interviewer kinda sucks
[08:20] <arko> ok not kinda
[08:20] <arko> he sucks, but still
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[08:29] <arko> thankfully tom does most of the talking
[08:35] <eroomde> doing that to your head is not a prmising start
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[09:39] <HixWork> Hi UpuWork bits arrived, cheers :)
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[10:42] <cuddykid> silly apple have rejected the app again & might have to be sneaky and add some IP checking to not display the "animation" to them
[10:44] <joph> which animation?
[10:44] <joph> porn? :P
[10:44] <cuddykid> lol
[10:44] <cuddykid> no, the animation in the status bar - apparently anything in the status bar is a big no no
[10:44] <cuddykid> yet, they've allowed 2 versions already which had the same thing :S
[10:44] <joph> can't you create a function which automatically checks your server for updates?
[10:44] <joph> or content
[10:44] <joph> and after the app has been proved you can change the content
[10:45] <cuddykid> well, yes, that's another way around
[10:45] <Maxell> cuddykid: animation in the statusbar, like, two diferent icons that alternate?
[10:45] <joph> sounds like these app checks are completly useless
[10:46] <cuddykid> Maxell: first bit here http://www.youtube.com/watch?v=97zYeu9LckA
[10:46] <Maxell> iNazi app store.
[10:46] <cuddykid> yeah
[10:46] <cuddykid> odd, that first 2 versions got through fine and now it's been stopped twice
[10:46] <Maxell> Wait, why do they support animated icons in the status bar then?!
[10:47] <fsphil> it's like they don't want people to develop for their hardware
[10:47] <fsphil> at least that's the lesson I've learned from this :)
[10:47] <cuddykid> Maxell: not sure - I'm sure twitter used to have animation in the status bar too.. it's all a mystery
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[10:51] <Maxell> :(
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[11:10] <HixWork_> I'm the only one in the office today. Shouldn't really be spending the whole day working on EagleCAD really :0
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[11:20] Nick change: UpuWork -> theflemming
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[11:24] Nick change: theflemming -> UpuWork
[11:24] <HixWork_> he he welcome back Marge :)
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[11:58] <cuddykid> RC kit arrived from china :) that was quick for the donkeys
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[11:59] <HixWork_> express eeyore
[12:00] <daveake> They shifted their ass
[12:00] <cuddykid> indeed!
[12:03] <fsphil> very good
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[12:04] <HixWork_> no I haven't...
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[12:11] <staylo> much quicker than royal mule
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[12:14] <HixWork_> heh
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[13:57] <cuddykid> implemented a measure to hopefully skirt around the apple review process :)
[13:58] <cuddykid> checks with a server to see whether it should show animations, once it responds yes it doesn't check again - I'll flick the switch once it's been approved
[14:00] <daveake> devious :)
[14:02] <cuddykid> seems to work well in testing, glad they don't review the code :P
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[14:03] <Geoff-G8DHE__> Now we know ;-)
[14:03] <x-f> haha
[14:03] Nick change: Apple -> Guest23147
[14:03] <Guest23147> That spoilt it wrong window !
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[14:05] <mattbrejza> do you really need the animations?
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[14:13] <cuddykid> mattbrejza: not really, but it's less intrusive to put a message up in the status bar to say whether it's downloading data or not, rather than having a message on the main screen
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[14:19] <mattbrejza> oh i see
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[14:47] <jiffe98> alright, well barring bad weather will hopefully have a launch this weekend
[14:50] <griffonbot> @stratodean: They've arrived! We're now the proud owners of a balloon & parachute #forestofdean #ukhas #weactuallyhavetodothisnow http://t.co/NXGQf0JX8c [http://twitter.com/stratodean/status/313663615498588161]
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[15:32] <chris_99> does anyone use PIC here for rocketry per chance?
[15:34] <UpuWork> proving maths theorums with water
[15:34] <UpuWork> http://i.imgur.com/7zWJhY5.gif
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[15:42] <Lunar_Lander> hello
[15:48] <HixWork> hey Lunar_Lander
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[16:22] <arko> morning
[16:25] Action: fsphil waves
[16:25] <daveake> dave surfs
[16:25] <daveake> oh dear irc fail again
[16:26] Action: arko yawns
[16:26] <arko> i need coffee
[16:26] <arko> i got 7 hours of sleep
[16:27] <arko> thats so cool
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[16:41] <chrisstubbs> afternoon guys
[16:43] <fsphil> yoyo
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[16:45] <HixWork> g'day
[16:46] <chrisstubbs> How is everyone
[16:47] <fsphil> mostly conscious
[16:47] <chrisstubbs> lol
[16:48] <chrisstubbs> got my RG58 SMA connectors frim china at last, far to small to fit RG58 cable it. How annoying
[16:49] <fsphil> wouldn't be rf58 then
[16:49] <fsphil> er
[16:49] <fsphil> rg
[16:50] <fsphil> there's a smaller cable I can't remember the name of, I bet they're for that
[16:51] <chrisstubbs> it said RG58 on the ebay listing. Oh well i messaged them to send me the right one
[16:55] <eroomde> jonsowman: ping
[16:58] <Willdude123> daveake: Saw the Cracking the Code thing on iPlayer, and I'll show it to my parents, it might persuade them to let me do HAB.
[16:59] <Willdude123> daveake: If they were to change their mind and let me, would you still be up for it?
[16:59] <griffonbot> @NSEballoon: Heard back from the CAA at long last! Application is looking good for April launch :) Permission may be conditional on weather. #UKHAS #HAB [http://twitter.com/NSEballoon/status/313696162962108416]
[16:59] <daveake> You think showing them a dodgy bloke, who cut his finger on his previous launch, will help? :p
[16:59] <gonzo_> most sma's are rg319 or rg174
[17:00] <Willdude123> Well, what did you cut it on
[17:00] <Willdude123> *?
[17:00] <daveake> And yes if they let you then the offer still stands
[17:00] <Willdude123> Was it a deep cut?
[17:00] <daveake> A knife cutting through foam
[17:00] <chrisstubbs> gonzo_, yes the RG58 ones were a little more difficult to find, however if they say RG58 they should be RG58!
[17:00] <gonzo_> to soem people rg58 is any coax
[17:01] <daveake> Needed a trip to the local hospital's "Minor Injuries Unit". Much more of this and they're gonna give me a Loyalty card
[17:01] <daveake> Best you don't mention it to your parents :p
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[17:02] <Willdude123> Heh.
[17:02] <chrisstubbs> Is it common for the CAA to grant permission on the condition of the wind direction being in their favour (eg NE)
[17:03] <chrisstubbs> just makes it seem like our chance to launch is getting smaller and smaller
[17:03] <daveake> I've only heard of it a couple of times, so I think not. One was 5 miles from Gatwick, so understandable!
[17:06] <chrisstubbs> hm im about 15 mi from southend airport
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[17:10] <chrisstubbs> Im sure we will figure somthing out :) but target launch date is 13th april!
[17:10] <mfa298> chrisstubbs: I think other local people have had some conditions regarding launch time/direction
[17:10] <mfa298> I think one was launched at ~6am before soton airport opened
[17:11] <Willdude123> I think the Wiki should be made a mediawiki one.
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[17:12] <eroomde> Nwhat does that buy us?
[17:14] <Laurenceb> we get haxored
[17:14] <Laurenceb> so it buys us one billion Nigerian dollars
[17:15] <chrisstubbs> lol
[17:15] <Willdude123> It's easier to navigate.
[17:15] <mfa298> probably a different sort of pain to the current wiki
[17:15] <chrisstubbs> ok mfa298 that could be worth bearing in mind. cheers
[17:16] <eroomde> the ease of navigation is a bum of he current one
[17:17] <mfa298> half the ease of navigation is potentially down to what's put in the wiki rather than the wiki software (although I've not used Dokuwiki much)
[17:17] <mfa298> I know Doku wiki can be easier to backup and move to a temporary host as I think it can work on files rather than a DB
[17:17] <jonsowman> pong eroomde
[17:17] <eroomde> i think it might be a dokuwiki thing as much as anything else
[17:17] <eroomde> honestly
[17:18] <eroomde> jonsowman: had a question about transformer centre taps on magjacks
[17:18] <eroomde> but answered it myself
[17:18] <jonsowman> right ok
[17:18] <Willdude123> There are probably syntax converters.
[17:18] <jonsowman> what was the question and answer eroomde?
[17:18] <jonsowman> just ooi
[17:19] <eroomde> what to do with the receiver one. nothing.
[17:19] <jonsowman> cool
[17:19] <eroomde> the wiznet does look pretty simple i must say
[17:20] <jonsowman> it really does
[17:20] <jonsowman> I must play with it soon
[17:20] <jonsowman> which version are you using?
[17:20] <eroomde> a mode register, write 4 bytes for gateway, 4 for subnet, 4 for source ip
[17:21] <jonsowman> does it let you set IP to 0.0.0.0 and then DHCP/
[17:21] <eroomde> and then just get on with sending data
[17:21] <jonsowman> ?
[17:22] <eroomde> i've seen plenty of reference to using it in dhcp
[17:22] <jonsowman> hmm
[17:22] <jonsowman> cool
[17:22] <eroomde> not looked myself at exactly how you do it though
[17:22] <jonsowman> I must investigate
[17:22] <jonsowman> native dhcp would be nice but probably asking too much
[17:22] <jonsowman> DHCP packets are 590 bytes which is a lot of my 2k SRAM gone :(
[17:22] <jonsowman> oh well, stm32f103 next revision, so that won't be a concern
[17:25] <eroomde> yup!
[17:25] <eroomde> they are very enabling
[17:25] <eroomde> 590 byes just for dhcp!?
[17:25] <eroomde> madness
[17:26] <jonsowman> yeah
[17:26] <jonsowman> it's mostly rubbish that I don't care about
[17:26] <jonsowman> but you have to receieve the whole packet even if you just bin most of it
[17:27] <mfa298> I thought they could be smaller than that as well but you're a bit reliant on anything the server adds on (although it should mostly only send the bits you request)
[17:27] <jonsowman> yes, this in the case of my router
[17:27] <jonsowman> that was the smallest I could make it send
[17:27] <eroomde> wish: eagle to have a pcb version of code snippets
[17:28] <eroomde> eg a well layed out smps block that i can just drop in, instead of having to do it yet again
[17:28] <jonsowman> good idea
[17:29] <mfa298> I wonder if you could get less if you could persaude something to do bootp instead, although most routers probably aren't that compliant with bootp
[17:29] <eroomde> it's almost as much work to do the copy and paste bodge to get the layout from another schematic
[17:29] <eroomde> board*
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[17:32] <eroomde> i'm having to give up on my idea of all the dataloggers being PoE and with precision time protocol
[17:32] <eroomde> switches that have both seem to be $$$$$$
[17:32] <jonsowman> PTP is expensive
[17:33] <eroomde> i think we'll just have all the dataloggers communicate on some kind of deterministic bus
[17:33] <eroomde> then bridge that to ethernet in one place
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[17:42] <jonsowman> sounds reasonable eroomde
[17:44] <arko> hmm
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[17:45] <arko> what's the issue exactly? not knowing what exact time a data point is from?
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[17:51] <eroomde> board and schematic are consistent!
[17:51] <eroomde> haha
[17:51] <eroomde> and that's how you do bad things to eagle topy and paste chunks of old layout into new layout
[17:51] <eroomde> like a boss
[17:52] <arko> lalwut
[17:52] <eroomde> arko: sorry was mid duel with eagle
[17:52] <eroomde> timestamps are for the dataloggers
[17:52] <eroomde> timesignal, rather
[17:52] <arko> right
[17:52] <eroomde> so they all sample at the same time
[17:53] <eroomde> and can put a timestamp on each set of readings and then the pc can seamlessly reassemble the diarrhea of packets into a pleasant csv file
[17:53] <arko> right
[17:53] <arko> i figured some microcontroller would timestamp it there
[17:53] <arko> then send it out
[17:53] <eroomde> sure but how does the microcontroller know what time it is?
[17:53] <arko> rtc?
[17:54] <eroomde> remember there are lots of individual datalogging boxes in different parts of the rocket
[17:54] <arko> hmm
[17:54] <eroomde> and they all need exactly the same time
[17:54] <eroomde> at the moment we have a separate timesignal in bnc, daisychained from box to box
[17:54] <eroomde> but that's a separate cable
[17:54] <arko> network blast a packet that all the boards hear with a start time
[17:54] <arko> they all start
[17:54] <arko> counting the same?
[17:54] <eroomde> would be nice if it could all be done over the one ethernet cable
[17:54] <eroomde> well, they drift off relative to each other
[17:55] <arko> make one the conductor?
[17:55] <eroomde> imagine you want to log for 5 mins and still want everything to be synced to within 10uS at the end
[17:55] <arko> did you leave any general shared io?
[17:55] <arko> yeah i see what you mean
[17:55] <eroomde> sure, that's what the bnc time signal did
[17:55] <arko> hmm
[17:56] <arko> 10uS damn
[17:56] <eroomde> but it's a completel separate system atm. would just be nice if they could all run off ethernet time, IEEE1588 is good for about 100nS or something which is plenty for this
[17:56] <eroomde> well, you're looking at dynamic events
[17:56] <eroomde> like a detonation propagating through a load of rocket plumbing
[17:56] <eroomde> you need everything to be consistent otherwise you can't really infer dynamics
[17:56] <arko> makes sense
[17:57] <eroomde> 10uS is probably slghtly more than encessary, you might settle for less. but certainly very sub-samplle_period
[17:57] <eroomde> which is 100uS at 10kHz
[17:57] <arko> wait, so you have a time singal bnc in?
[17:57] <eroomde> otherwise you get phased by phase noise
[17:57] <eroomde> and no man wants that
[17:57] <eroomde> arko: yes, at the moment with the existing system currently on the rig
[17:58] <eroomde> coax cable from logger to logger
[17:58] <eroomde> with one master loggergenerating and the others listening
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[17:58] <arko> hmm
[17:58] <eroomde> it's a pcb thing
[17:58] <eroomde> er
[17:59] <eroomde> PCM
[17:59] <arko> im confused as to what the problem is with that
[17:59] <eroomde> so the loggers get their data back to the control room PC via ethernet
[17:59] <m0psi> hi all
[17:59] <eroomde> so that's a star topology from switch to loggers
[18:00] <arko> right
[18:00] <eroomde> additionally you then have a daisychain topology from logger to logger via the BNC
[18:00] <arko> so they sync timewise?
[18:01] <eroomde> additiothirdly, they have a star configuration from a psu to each box
[18:01] <eroomde> to get power
[18:01] <m0psi> a while ago i had a url which used a version of the predictor software that gave several predictions, for consecutive days/hours. This helps to look for the best launch window.
[18:01] <eroomde> now, in theory, you can do everything with ethernet - precition time protocol and power over ethernet
[18:01] <m0psi> is this in my dreams, or is there a place to use this
[18:01] <eroomde> that seems very attractive because it just means the one cable to each logger box
[18:02] <arko> ohh
[18:02] <eroomde> nd you could run it say down a 50m ethernet cable without having to make complicated looms of cat5, coax and power
[18:02] <mfa298> m0psi: sounds like your thinking of the hourly predictor
[18:02] <eroomde> so we were thinking this sounded like a noble goal and worth persuing
[18:02] <m0psi> could be mfa298
[18:02] <m0psi> where do i get this?
[18:02] <mfa298> In most cases people have installed it themselves as there's no central one that you can put your data into
[18:02] <eroomde> but the hiccup is that ehternet switches that provide both the precision time protocol and power over ethernet are $$$$$
[18:02] <arko> yeah
[18:03] <eroomde> so it's sort od a dead end unless something appears on the market in the next few months
[18:03] <arko> i may have some gigabit switches around, but i dont think they have POE
[18:03] <mfa298> m0psi: these were my notes of setting it up on CentOS, http://hab.yapd.net/setup.html and there's a link to the video chrisstubbs made
[18:03] <arko> hmm
[18:03] <eroomde> or IEEE1588 (the time reference)
[18:03] <Randomskk> does a PoE injector break PTP?
[18:03] <eroomde> either or none is trivial
[18:03] <eroomde> oth is a pain
[18:03] <eroomde> both*
[18:03] <m0psi> thanks mfa298
[18:03] <arko> ohh poe injector...
[18:03] <Randomskk> even just PTP+ethernet and separate power would be better right
[18:04] <mfa298> for multiple devices you can also get rack mount power injectors with lots of ports.
[18:04] <eroomde> yes i'm considering that (separate injectors or an injector rack) but not convinced yet
[18:05] <eroomde> the other thing is we might have an application that is less 19" rackmount freindly
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[18:05] <mfa298> you can get cheap POE switches on ebay but I don't know what else you need for PTP
[18:05] <Randomskk> haha
[18:05] <eroomde> so was going to look at a fast deterministic isolated bus (like spacewire) and separate power
[18:05] <eroomde> hish Randomskk
[18:05] <eroomde> hush*
[18:06] <Randomskk> spacewire'd be cool
[18:06] <Randomskk> also means if you wanted to drop the ethernet at the end you only need to change that final bit
[18:06] <arko> clearly the solution here is to use lasers
[18:06] <Randomskk> like everything on spacewire to some central recorder rather than to some central ethernet gateway
[18:07] <eroomde> or spacewire-ethernet
[18:07] <eroomde> then to a central recorder
[18:07] <eroomde> like some kind of QNX-flavoured SBC
[18:07] <eroomde> well doesn't even ened to be RT
[18:07] <eroomde> arko: indeed
[18:08] <eroomde> fibre has some niceties but i've never used it before
[18:08] <eroomde> compared to soemthing super simps like lvds
[18:08] <arko> i have a fiber switch is if you want it
[18:08] <arko> i think i have a few cables somehwere
[18:08] <eroomde> does it fit in a 6" tube :)
[18:08] <arko> nope!
[18:08] <arko> it's like a pizza box
[18:09] <arko> and not a mini pizza
[18:09] <arko> im confused by the setup though
[18:09] <arko> why have PoE if you have a power cable running to all of them
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[18:17] <arko> i really shouldn't be multitasking
[18:17] <arko> man, that meeting was boring
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[18:20] Nick change: priyesh -> color
[18:21] Nick change: color -> priyesh
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[18:25] <Habjoe> Hi,hope people don't mind but i'm just going to take my proto type GPRS tracker for a trip to the shops for the next 30 minutes. This will appear at a moving $$AURA moving on the spaceNear .US tracker.
[18:28] <jcoxon> test away
[18:28] <eroomde> arko: you are multitasking too much
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[18:29] <eroomde> the PoE would allow you to not need power
[18:29] <arko> right
[18:29] <eroomde> presently: 3 connections to each box: ethernet, time, power
[18:29] <arko> oh
[18:29] <arko> ok, that works right now right?
[18:29] <arko> you just want to get it all in one
[18:29] <arko> just ethernet
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[18:37] <Hix> that ublox package is way more difficult to solder tham TQFP... I now have to wait for the hot air gun to come as there is continuity between ant and ant_gnd
[18:37] <Randomskk> can you see a solder bridge?
[18:37] <chrisstubbs> m0psi i also have a VMware image set up and ready to go if you jus want to play about with it
[18:37] <arko> microscopes are the best for this stuff
[18:37] <Randomskk> continuity at DC doesn't mean continuity at the GHz of GPS systems
[18:37] <arko> metcal stations too
[18:37] <Hix> nope - i've gone as far as i dare with braid too
[18:37] <eroomde> arko: correctos
[18:37] <eroomde> solder stencils and ovens are the best for this stuff
[18:38] <Hix> on the bright side - i have a carrier bang on 434.650
[18:38] <m0psi> chrissstubbs; oh interesting, got a link to download that pls?
[18:38] <Hix> :/
[18:38] <chrisstubbs> Hix sounds like its all coming together nicely!
[18:38] <Hix> wont bork the ublox if there is an ant short will it?
[18:39] <Hix> chrisstubbs: or all starting to fall over :)
[18:39] <eroomde> Hix: depends
[18:39] <m0psi> chrissstubbs essentially i want it for functional reasons, ie i want to use it :-)
[18:39] <eroomde> if you are getting a short between rn_in and rf_gnd with the atenna fitted, panic not
[18:39] <Hix> kill power then
[18:39] <eroomde> qfh antennas are dc-shorted
[18:39] <Hix> ahhh so maybe not bad then
[18:39] <eroomde> so that's supposed to happen
[18:40] <Hix> thought it may but ewasnt sure
[18:40] <m0psi> chrisstubbs so, if i can have access to the shell to use it, supercool!
[18:40] <chrisstubbs> m0psi have you userd vmware before?
[18:40] <m0psi> n
[18:41] <chrisstubbs> Ah, go download it and install it, then you should be able to "open a vm" or along those lines
[18:41] <chrisstubbs> http://tn22.com/chris.stubbs/www/
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[18:41] <chrisstubbs> thats the image, unzip that with 7Zip and you should be good to go, PM me if you get stuck
[18:41] <m0psi> sorry, i thought you meant 'userid' (you meant 'used')
[18:42] <chrisstubbs> aha my bad
[18:42] <m0psi> :-)
[18:43] <mfa298> hmm, I must do some more work on making a clean install of the predictors - I was thinking to create a small vm image with the software in RPMs and an interface to configure it - now I just need to sort the time to do it
[18:43] <chrisstubbs> mfa298 sounds like a nice way of doing it!
[18:44] <chrisstubbs> would be awesome if you could set up multi predictors on one server
[18:44] <mfa298> that's probably the next step.
[18:44] <chrisstubbs> i tried but it seems more trouble than its worth
[18:44] <mfa298> I was going to tidy the code and package it up as it can then be easily upgraded.
[18:45] <Habjoe> ok so test failed...!
[18:45] <Habjoe> ok.. so test failed...!
[18:46] <mfa298> Better that you know there's a problem before launching then just after releasing it
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[18:49] <Habjoe> here we go again... this time to pershore....
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[18:51] <eroomde> time to take a break from pcb design when:
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[18:52] <eroomde> you meant to add decoupling caps to all the VCC connections, instead you connected VCC to 3V3 in series with a 100n cap
[18:52] <eroomde> 3V3 --- 100n ---- VCC on chip
[18:52] <jonsowman> nice
[18:52] <jonsowman> that'll work
[18:52] <eroomde> oh well never mind, i'll just use the special AD varient
[18:53] <eroomde> AC*
[18:53] <jonsowman> yeah
[18:53] <eroomde> W5100SACV
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[18:57] <eroomde> jonsowman: additonal xmega nicety
[18:57] <eroomde> auto chip select
[18:57] <jonsowman> oh clever
[18:58] <jonsowman> that wiznet ic looks great
[18:58] <eroomde> selects and deselects automagically when you write a byte (or number of bytes)
[18:58] <jonsowman> neat
[18:58] <eroomde> i'm extra careful to write nicety now
[18:58] <jonsowman> haha
[18:58] <jonsowman> yes we all know what happened last time
[18:58] <jonsowman> :p
[18:59] <jonsowman> I think I'm going to stick with the enc28j60 since it's working really well in my application now
[19:00] <jonsowman> but next project, I will seriously consider wiznet
[19:00] <eroomde> it looks gud
[19:00] <jonsowman> also there's a certain masochistic joy in running the ip stack on the micro
[19:00] <eroomde> worth noting alco that microchip now have a 600 varient
[19:00] <eroomde> j600
[19:00] <eroomde> which does 100MBit
[19:00] <eroomde> should you need some serious pv analytics
[19:00] <jonsowman> oh cool :D
[19:00] <jonsowman> didn't know that
[19:00] <eroomde> it's newish
[19:00] <chrisstubbs> Sorry i must have missed what you guys are making?
[19:00] <eroomde> looked at it for this
[19:00] <chrisstubbs> ethernet HAB?
[19:00] <eroomde> not hab
[19:01] <eroomde> dataloggers for rocket engines
[19:01] <jonsowman> I can't imagine myself needing 100mbit/s any time soon, but who knows
[19:01] <chrisstubbs> ahh of course :) cool
[19:01] <eroomde> HAR
[19:01] <eroomde> rather than HAB
[19:01] <eroomde> and jonsowman has made a gizmo to save himself money to fund the hab addiction
[19:02] <jonsowman> pretty much
[19:02] <eroomde> jonsowman: the wiznet is also really v easy in SPI mode
[19:02] <eroomde> ground
[19:02] Last message repeated 1 time(s).
[19:02] <eroomde> tie that to ground
[19:02] <eroomde> ground
[19:02] <eroomde> all that lot ground
[19:02] <eroomde> hmmm, ground
[19:02] <jonsowman> 80 pins, so about 40 of them grounded I imagine
[19:02] <eroomde> testmode? ground
[19:03] <jonsowman> have you got one actually running and talking over the network yet?
[19:03] <eroomde> 43GND, 7 NC
[19:03] <jonsowman> haha
[19:03] <jonsowman> I wasn't far off
[19:03] <eroomde> nope!
[19:03] <eroomde> just doing the layout
[19:03] <jonsowman> ok cool
[19:03] <eroomde> software is schmetails
[19:03] <jonsowman> be interested to hear your opinions etc
[19:03] <eroomde> famous last words
[19:04] <jonsowman> haha
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[19:09] <anerDev> hey hey guys !
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[19:10] <chrisstubbs> Evening
[19:13] <eroomde> super-approximate initial arrnagement of components
[19:13] <eroomde> http://i.imgur.com/gmGFPBr.png
[19:13] <eroomde> in the top left hand corner i will put an impressionist painting of lincoln cathedral in silkscreen
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[19:15] <jonsowman> eroomde: seems like a good use of the space
[19:15] <jonsowman> eroomde: which magjack are you using?
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[19:16] <eroomde> sparkfun's finest
[19:16] <Willdude123> Just shown my mother the Cracking the Code thing. She hasn't said anything about it.
[19:16] <jonsowman> cool, same
[19:16] <eroomde> https://www.sparkfun.com/products/8534
[19:16] <eroomde> Willdude123: that's not an altogether bad sign
[19:16] <jonsowman> i bought a stock of 15 a while ago
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[19:16] <jonsowman> got 9 left i think
[19:17] <eroomde> jonsowman: in realisty i'm going to put all the time signal decoding bollocs there
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[19:17] <Willdude123> Busy doing tea I think.
[19:17] <eroomde> + a few other bits and bobs and odds and sods
[19:17] <jonsowman> :)
[19:17] <eroomde> a few random highish current io units for releasing smoke flares and the like
[19:17] <eroomde> but not this day
[19:17] <jonsowman> eroomde: have you got the termination resistors?
[19:17] <eroomde> for soon, it is time for a squash match
[19:17] <jonsowman> can't quite tell from the layout
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[19:17] <eroomde> termination resisotrs for what?
[19:18] <jonsowman> ethernet
[19:18] <eroomde> I have the ac-doupled pulldowns
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[19:18] <Willdude123> Are there any practical issues with really really high baud rates?
[19:18] <eroomde> coupled*
[19:18] <eroomde> yes
[19:18] <jonsowman> eroomde: there shoud be about 100 ohms between the T+ and T-, same on receive
[19:18] <eroomde> for a given amount of transmition power, your energy per symbol (per bit) goes down
[19:18] <daveake> yes they don't work
[19:19] <eroomde> so your succeptiblity to noise increases
[19:19] <jonsowman> with the middle going to ground via a cap
[19:19] <eroomde> jonsowman: there is
[19:19] <jonsowman> cool ok
[19:19] <jonsowman> just checking - i forgot those the first time
[19:19] <jonsowman> :)
[19:19] <eroomde> that's what i called ac-coupling to ground
[19:19] <jonsowman> :)
[19:20] <eroomde> which it sort of is if you look at it sidays
[19:20] <jonsowman> yep, I got you
[19:20] <eroomde> i've got 3 conflicted reference designs here but they all agree on that part ;)
[19:21] <Willdude123> How fast can ssdv transmit?
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[19:21] <eroomde> Willdude123: depends on the transmitter power and the receiver gain
[19:22] <daveake> and bandwidth in dl-fldigi
[19:22] <eroomde> like i said, it's all about how much energy you can put into each bit. for a given amount of energy per bit, you could get that by transmitting each bit for longer at a lower power (slower baud rate) or for a shorter time but with a higher power (higher baud rate) as time * power = energy
[19:23] <jonsowman> it's all about the Eb/N0
[19:23] <eroomde> or the receiver can have much more powerful antennas, which means they'e sort of collecting more energy
[19:24] <eroomde> but with out 10mW transmitters and standard amateur radio receivers, someone else will correct me I'm sure but I think it pans out to about 600baud
[19:24] <eroomde> that's using techniques to mitigate against the expectation that you'll get som of the data corrupted
[19:25] <eroomde> because of the lower energy per bit compared to the 50 baud we normally use
[19:25] <daveake> 600 worked well (surprisingly well to me) last time, and I'm sticking with it for my next ssdv flight
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[19:39] <OZ1SKY_Brian> hi
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[19:43] <anerDev> hi <OZ1SKY_Brian
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[19:44] <Lunar_Lander> hello
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[19:58] <Hiena> Bleh...Muriatic acid still tastes like... a muriatic acid.
[19:58] <nigelvh> Informative
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[20:00] <Hiena> Interesting. If you etch your PCB in a jar the bottom will be alway over ethced. If you etch in a pan, the whole surface will be even.
[20:01] <Hiena> nigelvh: 1:100 thinned muriatic acid tastes like some cheap lemon juice.
[20:01] <nigelvh> Haha
[20:02] Action: bertrik never tasted it
[20:02] <nigelvh> I etch my PCBs with ferric chloride.
[20:02] <nigelvh> I don't taste it.
[20:02] <fsphil> I hear it tastes burny
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[20:05] <Hiena> Well, if you ever vomited, there is a good chance you already tasted the muriatic acid, due the fact our digestive fuid main part is it.
[20:07] <arko> do you guys mostly use acrylic based paints on your habs?
[20:07] <daveake> I do
[20:09] <Upu> only if its shock pink
[20:09] <Upu> otherwise whats the point ?
[20:11] <fsphil> sensible yellow
[20:11] <lz1dev> yellow is slang for shock pink ?
[20:13] <arko> yeah, going with shock pink :)
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[20:13] <lz1dev> excellent choice
[20:14] <arko> ermergerd
[20:14] <arko> im so excited
[20:14] <arko> faa said we are good to go, for sure this time
[20:14] <arko> can't wait to call the military base ATC and get cursed at
[20:14] <chrisstubbs> whoo :)
[20:15] <arko> last time i called the marines base, and talked to their chief whatcha-ma-call-it guy at ATC
[20:15] <arko> i told him about what we are doing and that there maybe a slight chance of stepping into their airspace
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[20:15] <arko> his response "that's on sunday right?"
[20:15] <arko> im like "yeah"
[20:16] <arko> he was like "I don't give a flyin f**k, we aren't even here on sundays"
[20:16] <arko> then hung up on me
[20:16] <fsphil> professional
[20:16] <arko> best approval ever
[20:16] <arko> i laughed for like a solid minute
[20:17] <chrisstubbs> aha
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[20:24] <staylo> Better than the alternative :) http://www.aopa.org/aircraft/articles/2013/130110secret-no-fly-zone.html
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[20:25] <arko> tldr?
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[20:25] <arko> or should i say, summary?
[20:26] <staylo> Glider pilot flew over nuclear power station in US, nearly got shot down by trigger-happy local police.
[20:27] <arko> damn
[20:27] <arko> that's scary stuff right there
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[20:31] <lz1dev> they cleared his charges, if he didnt sue
[20:31] <lz1dev> wat
[20:32] <arko> welcome to america
[20:32] <arko> buy the freedom with money
[20:32] <lz1dev> what does TSA have to do with anything
[20:33] <arko> you mean that private corperation?
[20:33] <arko> i dunno
[20:33] <arko> oops, nvm
[20:35] <lz1dev> TIL you learned gliders can actually climb
[20:35] <lz1dev> too much words
[20:35] <lz1dev> i need some food, brb
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[20:37] <Willdude123> Is the raspberry pi the only thing capable of ssdv?
[20:38] <lz1dev> no, but it would be less complicated
[20:38] <Upu> no fsphil did it with a AVR based board
[20:38] <Upu> but it needed an expensive serial camera
[20:38] <Upu> whereas the Pi can do it with a £10 from PcWorld webcam
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[20:42] <Hix> well the GPS has timepulse so there is hope
[20:43] <Hix> but usbtinyisp is failing yet again. p.o.s
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[21:17] <fsphil> Willdude123: it was actually written for the avr first
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[21:18] <arko> http://www.youtube.com/watch?feature=player_embedded&v=V1BzNwvht9A
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[21:18] <arko> wow, that's seriously impressive
[21:20] <chrisstubbs> heh the ref, that things awesome!
[21:21] <arko> i'll be going to the LA regional to see how the team i was on does
[21:21] <arko> but after watching a few videos of other teams, this is pretty clever
[21:25] <costyn> arko: very cool
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[21:26] <fsphil> is that remote controlled?
[21:27] <costyn> fsphil: it has to be :)
[21:27] <arko> yeah
[21:27] <costyn> fsphil: timing looks too human :)
[21:27] <Upu> http://www.youtube.com/watch?v=w04BgclPmY8
[21:27] <arko> the first 15 seconds arent
[21:27] <Laurenceb_> http://www.armadilloaerospace.com/n.x/Armadillo/Home/News?news_id=380
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[21:29] <costyn> Upu: that commenter laughing his head off
[21:29] <Upu> I know :)
[21:30] <fsphil> ah was that hypno destroying that other bot?
[21:30] <Upu> yeah
[21:30] <costyn> yea
[21:31] <Upu> though razer (razor ?) was the best looking robot by a mile
[21:31] <fsphil> yes
[21:31] <fsphil> hypno was the best sounding
[21:32] <daveake> luvvit ... https://pbs.twimg.com/media/BFqun08CIAEtcYC.png:large
[21:32] <costyn> fantastic show
[21:33] <Upu> http://www.youtube.com/watch?v=6NNY1_MoAjw
[21:34] <anerDev> good night guys !
[21:34] <fsphil> tornado had a great simplicity
[21:34] <Upu> night
[21:34] <fsphil> it was the clarkson of the robot wars world .. "MORE POWER"
[21:34] <costyn> that disc is so huge http://youtu.be/zqNYtI-0O2s?t=1m11s
[21:35] <chrisstubbs> cooorrr look at that SLA
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[21:36] <Upu> basically as always physics wins
[21:37] <Upu> lol battery on the floor
[21:38] <arko> i miss robotwars :(
[21:38] <jonsowman> i loved that programme
[21:38] <Upu> who was on it that comes in here ?
[21:38] <Upu> Ed ?
[21:38] <jonsowman> hmm think so
[21:38] <arko> eroomde was in robotwars?
[21:39] <fsphil> not sure if it was the telly program
[21:40] <Upu> http://robotwars101.org/profile.php?class=flea&id=45&name=Dogsbody
[21:40] <jonsowman> haha
[21:40] <fsphil> how'd they get it so light weight
[21:40] <fsphil> fill it with helium? :)
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[21:41] <daveake> Just been reading about a rework station that ".. combines with a low voltage lead-free solder"
[21:41] <Upu> you need the high voltage stuff
[21:41] <Upu> low voltage solder doesn't cut it
[21:41] <daveake> I've obviously been buying the wrong stuff
[21:42] <arko> was it shaped like a dogs body?
[21:42] <Upu> no idea can't find any images
[21:42] <arko> "paint me like one of your french dogs"
[21:43] <arko> yeah me neither, google isn't delivering
[21:43] <arko> we could just ask eroomde :P
[21:43] <fsphil> wot, and miss all the speculation and guessing?
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[21:43] <arko> hah
[21:44] <hjl12> with a lower ambient temp lower lifting force of a balloon? if so, any way to calculate how much?
[21:44] <arko> i just imagine a poodle with red led eyes and shoots fire from it's mouth
[21:44] <hjl12> *will
[21:45] <Upu> don't think it makes a discernable difference hjl12
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[21:45] <fsphil> The Bomberanian
[21:45] <fsphil> cuddly and explosive
[21:45] <arko> hahaha
[21:45] <hjl12> alright, thanks
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[21:54] <Lunar_Lander> evening people
[21:54] <arko> evening lunar
[21:55] <Upu> evening Lunar
[21:56] <Lunar_Lander> how are you today?
[21:57] <Hix> I managed to program a swordfish it appears http://i.imgur.com/DJuEuWO.png
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[21:57] <arko> alles gut
[21:57] <Lunar_Lander> yay
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[22:01] <Lunar_Lander> my weather station works
[22:01] <Lunar_Lander> but what I could see is the following
[22:01] <Lunar_Lander> it was set to measure and delay 1 sec
[22:02] <Lunar_Lander> in ran for some 250000 seconds but recorded 230000 lines
[22:02] <Lunar_Lander> so, the timing in the AVR seems to be
[22:02] <Lunar_Lander> well
[22:02] <Lunar_Lander> not good
[22:02] <nigelvh> Keep in mind that measuring takes time, so if you measure they delay(1000); then your timing will be off.
[22:03] <Lunar_Lander> yeah
[22:03] <nigelvh> then*
[22:03] <Lunar_Lander> :)
[22:03] <Lunar_Lander> well this was a test
[22:03] <Lunar_Lander> with the 1 sec delay
[22:03] <Lunar_Lander> I think if it will be a real station, it will measure less often
[22:03] <Lunar_Lander> and it will get the GPS for a time print
[22:03] <Lunar_Lander> :)
[22:03] <fsphil> if you want it accurate you'll need to use timer based ... er, timing
[22:03] <Lunar_Lander> but the lithiums held up well, they started at 6.8 V and at the end they had 6.4V to my astonishment
[22:03] <fsphil> the avr has a few timers
[22:03] <Lunar_Lander> yea
[22:04] <Lunar_Lander> does GPS actually print out the day?
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[22:04] <Lunar_Lander> or the date
[22:04] <arko> yah, high clk speeds drift in microcontollers
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[22:05] <arko> no
[22:05] <nigelvh> Lunar_Lander, see this: http://pastebin.com/FLR53Dfz
[22:05] <nigelvh> Doesn't need another timer, and keeps a reasonably accurate rate.
[22:05] <Lunar_Lander> yea
[22:06] <Lunar_Lander> I had that on the cutdown :)
[22:06] <arko> oh wait
[22:06] <arko> GPRMC
[22:06] <arko> yeah
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[22:06] <Lunar_Lander> yea
[22:06] <Lunar_Lander> I was thinking about trying TinyGPS on that one
[22:07] <Adam012> Good evening all!
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[22:10] <arko> evening
[22:13] <fsphil> woo, snow
[22:13] <Adam012> Hello arko
[22:13] <Adam012> @fsphil: Snow outside the window now?
[22:14] <arko> it's a nice 17C here, dont know what you're talking about :P
[22:14] <fsphil> yep yep
[22:14] <fsphil> has it ever snowed there arko? :)
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[22:14] <Lunar_Lander> Hamburg had lots of snow today
[22:14] <Lunar_Lander> but we had sun
[22:14] <arko> once!
[22:14] <arko> we had snow once
[22:14] <Lunar_Lander> and we are just about 250 km to the south
[22:15] <Lunar_Lander> but
[22:15] <Lunar_Lander> in the evening, cloud cover came
[22:15] <arko> i ran around and had a snow ball fight
[22:15] <arko> childhood dream
[22:15] <Lunar_Lander> again no PANSTARRS :(
[22:15] <LazyLeopard> We just had rain....
[22:15] <arko> it was awesome
[22:15] <LazyLeopard> ...and clouds....
[22:15] <fsphil> ah sweet. I didn't think it ever did snow over there
[22:15] <LazyLeopard> ...and more rain...
[22:15] <arko> yeah, im high elevation enough
[22:15] <LazyLeopard> ...and then some clouds...
[22:15] <fsphil> I know NY get lots of it. lots lots more than I do
[22:15] <arko> downtown la had it like many many years ago
[22:15] <arko> decades
[22:16] <fsphil> I bet that caused a panic :)
[22:16] <arko> lol no idea, it was like 60s
[22:16] <arko> i was dead
[22:16] <arko> or not alive
[22:16] <arko> take your pick
[22:16] <fsphil> unlive
[22:17] Action: fsphil was just watching zombie program
[22:17] <Lunar_Lander> it is getting too late to see PANSTARRS right?
[22:17] <arko> unlive haha
[22:18] <arko> when it snowed here it did cause some panic
[22:18] <arko> lots of accidents
[22:18] <arko> like... lots
[22:18] <Lunar_Lander> arko, do you have good weather today?
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[22:18] <arko> excellent
[22:18] <Hix> you know them days when you think: why bother... I'm coming with some rotten flu-like bug, tinyusbisp fails to work pretty much everytime, my usb to serial lead has started doing the jumpy mouse trick and nothing is even vaguely pleasant stm
[22:18] <arko> overcast
[22:18] <arko> but 19C
[22:18] <Lunar_Lander> damn
[22:18] <arko> i mean 17C
[22:18] <Hix> rant over
[22:18] <arko> im in tshirt and shorts
[22:18] <Lunar_Lander> so you don't have comet sightseeing either
[22:18] <arko> as always
[22:18] <m0psi> hi all, here is a potential heads up for a launch: http://8bc.gotdns.com:8080/hourly/
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[22:18] <fsphil> we don't get snow often enough that people are used to it. so it tends to cause airports to close, roads to be come ice rinks
[22:18] <m0psi> only snag is that we may want to do it on a weekday
[22:19] <m0psi> (school project)
[22:19] <arko> haha nice!
[22:19] <arko> ice rinks
[22:19] <chrisstubbs> m0psi got that set up quick!
[22:19] <arko> fsphil you're in ireland right?
[22:19] <fsphil> aye
[22:19] <chrisstubbs> nice land coverage too
[22:19] <arko> how was it over there yesterday?
[22:19] <m0psi> y, got a buddy to put that up for me
[22:19] <fsphil> M0PSI .. no pressure for him
[22:19] <fsphil> arko: wet :)
[22:20] <m0psi> i was hoping for monday or tuesday
[22:20] <arko> i was thinking holiday wise
[22:20] <arko> not sure how big st pattys is over there
[22:20] <m0psi> but really, it seems sat is best, lands us right on the cam boys' patch
[22:20] <fsphil> depends on the area arko, nothing in this town. I had a lie in
[22:20] <fsphil> tends to be a city thing
[22:20] <arko> yeah
[22:21] <m0psi> but, at least we can start planning now. thanks chrissstubbs
[22:21] <arko> i avoided downtown, mostly because i had to study for finals tomorrow
[22:21] <arko> but still, too mayn drunks
[22:21] <arko> lots of accidents
[22:21] <arko> we have like 0 public transport
[22:21] <fsphil> tbh it's more an american thing
[22:21] <arko> yeah i thought so
[22:21] <arko> nice m0psi
[22:21] <fsphil> it's becoming a bigger deal here now
[22:22] <m0psi> chrisstubbs ; so is the code always 1 week forward looking?
[22:22] <arko> hourly predictor rocks, got 3 of them running http://wiki.032.la/nsl/HABEX2#HABEX_Flight_Prediction_Software
[22:22] <m0psi> our intended launch is from Greenham Common old nuclear missile base
[22:23] <arko> :) love the ability to have this
[22:23] <fsphil> hourly is only good if it shows good things :)
[22:23] <fsphil> http://hourly.sanslogic.co.uk/
[22:23] <m0psi> yes, arko, quite invaluable
[22:23] <arko> haha
[22:23] <fsphil> although I quite fancy a trip to scotland
[22:23] <arko> it really moves around a lot
[22:24] <arko> i assume it will be much more accurate as we get closer
[22:24] <fsphil> indeed
[22:24] <m0psi> we used to host our servers (web servers) in The Bunker , on the greenham common site
[22:24] <fsphil> the tail flaps around quite a bit
[22:24] <chrisstubbs> arko are they seperate installs or all on the same server?
[22:24] <fsphil> would be neat to animate it
[22:24] <m0psi> it was the command and control for the missile launches
[22:25] <m0psi> apparently would survive a nuclear blast, other than a direct hit
[22:25] <arko> chrisstubbs yes
[22:25] <chrisstubbs> m0psi, the bunker as in thebunker.net?
[22:25] <m0psi> t
[22:25] <m0psi> yes
[22:25] <m0psi> a bit moot thuogh. I don't think i would be worried about our servers if we got nuked!
[22:25] <arko> chrisstubbs: i made a scripts that creats an instance
[22:26] <chrisstubbs> arko ah neat
[22:26] <Lunar_Lander> btw bunker
[22:26] <Lunar_Lander> do you know the automatic balloon launcher by Vaisala?
[22:26] <arko> i want to clean it up, but essentially, if this is interfaced to a webapp it could create hourly instances
[22:26] <arko> i think it's a backwards way to approach it though, i want to do it such that it's using the same weather data
[22:26] <arko> rather than running it a million times and getting the same data
[22:27] <chrisstubbs> m0psi, i love the look of that place. it was the same company that bought RAF bawdsey. they wanted to do the same thing until the figured they had to run like a 20mi fibre link from ipswich :P
[22:27] <m0psi> y, they have an even cooler place in kent
[22:27] <m0psi> the kent one is a silo, i think
[22:27] <arko> stupid school getting in the way of fun projects
[22:27] <Lunar_Lander> btw
[22:27] <Lunar_Lander> wasn't Robot Wars filmed on an AFB also?
[22:28] <m0psi> on greenham?
[22:28] <m0psi> i did not know that
[22:28] <Lunar_Lander> nottingham I think
[22:28] <m0psi> btw, CAA man verbally approved the greenham site. hopefully he will not change his mind
[22:29] <m0psi> if he does it once, it may be a convenient site for others to use
[22:29] <Lunar_Lander> yea
[22:30] <chrisstubbs> m0psi, it looks like quite a convinient place, but pretty much the same distance to cambridge for me
[22:30] <m0psi> depends on the winds i guess
[22:30] <m0psi> you never know, it may be possible to get a long term notam
[22:30] <m0psi> then the community could go between cam and greenham
[22:31] <m0psi> was it difficult/complex to get the longterm notam for cam?
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[22:32] <Lunar_Lander> yeah it took like a petition and then they had an extra session in parliament and stuff like that
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[22:32] <Lunar_Lander> really complicated
[22:32] <fsphil> hehe, our first payload looks so crude by modern standards: http://i.imgur.com/8x2A1pV.jpg
[22:33] Nick change: nick_ -> Guest8125
[22:33] <Lunar_Lander> fsphil, XD
[22:33] <arko> wow
[22:33] <arko> that's
[22:33] <arko> what
[22:33] <chrisstubbs> fsphil, nice 3.5mm jacks ;)
[22:33] <fsphil> yea we totally split the GPS using jacks :)
[22:33] <arko> that survived?
[22:33] <m0psi> are you serious!? lunar
[22:34] <fsphil> it survived well
[22:34] <arko> wait
[22:34] <arko> is that an exposed toggle switch?
[22:34] <arko> no cover?
[22:34] <arko> some connector
[22:34] <fsphil> to make matters worse, one of the payloads used PICAXE :)
[22:34] <Lunar_Lander> OHHHHH
[22:35] <arko> dude
[22:35] <fsphil> my board is on the right hand side
[22:35] <fsphil> you can only see the bottom of it
[22:35] <arko> im impressed
[22:35] <fsphil> I'm amazed it survived
[22:35] <fsphil> well my board didn't
[22:35] <chrisstubbs> how long ago was this?
[22:35] <Laurenceb_> http://www.armadilloaerospace.com/n.x/Armadillo/Home/News?news_id=422
[22:36] <arko> what was the failure of your board fsphil?
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[22:36] <fsphil> almost three years ago chrisstubbs
[22:36] <Lunar_Lander> was that project cirrus?
[22:37] <fsphil> arko: can't find the picture now, but you can see the antenna wire going out to the right of that image
[22:37] <arko> yeah
[22:37] <fsphil> that was the bottom of the payload
[22:37] <arko> ok
[22:37] <fsphil> and it landed on the antenna
[22:37] <arko> ouch!
[22:37] <fsphil> all the force was transmitted to the middle of my pcb :)
[22:37] <arko> did it not transmit its location before touchdown?
[22:38] <fsphil> it was yea, and the picaxe payload had survived too
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[22:38] <fsphil> so it was still transmitting on the ground
[22:38] <fsphil> Lunar_Lander: yep
[22:38] <arko> oh
[22:38] <Lunar_Lander> arko, one moment xD
[22:38] <arko> ?
[22:39] <fsphil> ah here we are: http://projectcirrus.files.wordpress.com/2010/04/hadie-after.jpeg
[22:39] <fsphil> what is weird is that it didn't break under the antenna connector
[22:39] <arko> oh no!!
[22:39] <Lunar_Lander> damn
[22:39] <Lunar_Lander> can't find the old payload board
[22:39] <Lunar_Lander> ohh
[22:39] <arko> ok i see the failure
[22:40] <Lunar_Lander> yay atmega644
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[22:40] <arko> now you have me looking at old pics of my first hab :(
[22:40] <fsphil> I think it was because the board was weak there -- I had cut the tracks along that header
[22:40] <arko> http://www.flickr.com/photos/36181973@N00/
[22:40] <fsphil> Lunar_Lander: that same chip flew again on hadie:2, somewhere in yorkshire now :)
[22:40] <fsphil> actually that ntx2 flew again too
[22:40] <fsphil> and even that crystal
[22:40] <eroomde> robotwars
[22:40] <arko> http://www.flickr.com/photos/36181973@N00/5044588051/in/photostream/
[22:41] <arko> 35W Hab
[22:41] <arko> she was so messed up in many ways, but i loved her :(
[22:41] <eroomde> this year is infact the decade anniversary of the first robotwars live event i coorganised
[22:41] <fsphil> your launch site was amzing
[22:41] <arko> eroomde: pics?
[22:41] <fsphil> amazing
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[22:41] <arko> fsphil: we are doing the same place again this year :)
[22:41] <arko> its where miliary tests stuff
[22:41] <arko> we are of course on civilian land
[22:42] <arko> but yeah, i can see why they picked that location
[22:42] <fsphil> hehe, that's a big antenna
[22:42] <arko> http://www.flickr.com/photos/36181973@N00/5044583847/in/photostream/
[22:42] <arko> nothing for miles
[22:43] <Lunar_Lander> arko, http://s.gullipics.com/image/v/a/b/5yve1g-kmc38z-xy1l/IMG0499.jpeg
[22:43] <Lunar_Lander> the first (second) attempt at a payload
[22:43] <Lunar_Lander> the first one ended with a fried regulator
[22:43] <arko> hahahahttp://www.flickr.com/photos/36181973@N00/5045206204/in/photostream/
[22:43] <arko> http://www.flickr.com/photos/36181973@N00/5045206204/in/photostream/
[22:43] <arko> i mean
[22:43] <arko> the gun against the blue truck
[22:43] <arko> that was if we needed to abort
[22:44] <eroomde> not sure abot pivs
[22:44] <arko> it's like the wild west out there
[22:44] <eroomde> pics
[22:44] <fsphil> abort who?
[22:44] <arko> the balloon
[22:44] <eroomde> a decade is a bit far back for the net
[22:44] <fsphil> phew
[22:44] <eroomde> http://www.wallacee.plus.com/fwsmash.html
[22:44] <eroomde> lol
[22:44] <arko> aww no pics? o well
[22:44] <Lunar_Lander> xD arko on the launch vid you can hear somone asking what if we would have launched too late
[22:44] <eroomde> this is almost all i can find
[22:44] <Lunar_Lander> i.e. in my launch vid
[22:44] <eroomde> i am looking arko
[22:44] <Lunar_Lander> and then I said "maybe someone got a rifle?"
[22:44] <eroomde> with google
[22:44] <Lunar_Lander> xD
[22:44] <eroomde> featherweight smash redditch 2003
[22:44] <arko> eroomde: i tried with no luck
[22:44] <arko> that was you?
[22:45] <arko> Lunar hah!
[22:45] <arko> yeah, i think we are bringing the rifle again
[22:45] <arko> just incase
[22:45] <Lunar_Lander> btw
[22:45] <Lunar_Lander> besides the technical stuff
[22:45] <Lunar_Lander> what about a laugh?
[22:45] <arko> joking
[22:45] <arko> a laugh?
[22:45] <Lunar_Lander> yea
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[22:46] <arko> eroomde: im half expecting a geocities website
[22:46] <arko> Lunar i dont get it
[22:46] <Lunar_Lander> german TV unfortunately copied "Beauty and the Geek" a show in which science orientated men were paired with models and stuff
[22:46] <Lunar_Lander> and they had stupid challenges and stuff
[22:46] <eroomde> were you in it Lunar_Lander ?
[22:46] <Lunar_Lander> no, oh no
[22:46] <eroomde> one of the beauties?
[22:46] <Lunar_Lander> XD
[22:47] <arko> haha
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[22:47] <Lunar_Lander> well, there was a physics student and he was paired with a fashion advisor or so
[22:47] <Lunar_Lander> and on one challenge the men were supposed to do the women's make-up while on a raft that was pulled by a motor boat
[22:48] <Lunar_Lander> this was the result http://s.gullipics.com/image/9/o/m/5yve1g-kmc3gx-oal6/vlcsnap2013030720h57m40s102.png
[22:48] <arko> wat
[22:48] <arko> this is why the world can't have nice things >_<
[22:49] <fsphil> never seen that show. planning on keeping it that way :)
[22:49] <Lunar_Lander> well she said the crappiest things about physics
[22:49] <Lunar_Lander> which was not good
[22:50] <Lunar_Lander> there was a waitress who said math is not necessary
[22:50] <Lunar_Lander> :D
[22:50] <eroomde> cant find anything
[22:50] <eroomde> lost in the annals of history
[22:50] <eroomde> wedding proof
[22:50] Nick change: Guest8125 -> nick_
[22:50] <arko> haha! same
[22:50] <arko> eroomde: you probably have some 5x7's
[22:50] <arko> :P
[22:50] <fsphil> I was very tempted to put a flipper on my robot
[22:51] <Lunar_Lander> yeah
[22:51] <Lunar_Lander> btw did one of you met the Chaos 2 team?
[22:51] <Lunar_Lander> or any other "big" teams
[22:51] <Lunar_Lander> hypnodisc, razer and so on?
[22:51] <Laurenceb_> OMG
[22:52] <Laurenceb_> http://www.youtube.com/watch?v=UV7zL07Tof8&feature=player_embedded
[22:52] <Laurenceb_> thats the most epic thing ever
[22:52] <eroomde> Lunar_Lander: yes all of them
[22:52] <Lunar_Lander> cool
[22:52] <arko> woooah
[22:52] <arko> cool
[22:52] <eroomde> the chaos 2 'team' was a man called george
[22:53] <Lunar_Lander> yea
[22:53] <Laurenceb_> eroomde: armadillo pwned you :P
[22:53] <Laurenceb_> and me :D
[22:53] <Lunar_Lander> george francis
[22:53] <fsphil> george seemed very calm all the time
[22:54] <Lunar_Lander> what do you think of Series 1 and 2?
[22:54] <Lunar_Lander> where they had these games as first rounds
[22:54] <fsphil> wasn't that only series 1?
[22:55] <fsphil> the one with clarkson
[22:55] <Lunar_Lander> series 2 had gauntlet and trials as well
[22:55] <fsphil> man that was awful :)
[22:55] <Lunar_Lander> yea
[22:55] <Lunar_Lander> zero ground clearance bots were f****ed
[22:55] <chrisstubbs> cybot.
[22:55] <Lunar_Lander> cybot?
[22:55] <Lunar_Lander> I made one!
[22:55] <chrisstubbs> :D
[22:55] <Lunar_Lander> I collected Real Robots :)
[22:55] <Lunar_Lander> and then I did the crappiest thing
[22:56] <fsphil> lol, clarksons hair: http://www.youtube.com/watch?v=ib_7Kb_ddjk
[22:56] <Lunar_Lander> when I had the remote control, I was driving it around
[22:56] <Lunar_Lander> out of my room
[22:56] <Lunar_Lander> and then there was the sound of plastic impacting and breaking
[22:56] <Lunar_Lander> several times
[22:56] <Lunar_Lander> and then silence
[22:56] <Lunar_Lander> drove it off the stairs
[22:56] <Lunar_Lander> :(
[22:56] <chrisstubbs> hahahaa ahh bad times :(
[22:56] <Lunar_Lander> yeah
[22:56] <eroomde> i saw john reid, who did killerurtz and terrorhurtz, in my local corner shop the other week
[22:56] <Lunar_Lander> I think I got it still
[22:56] <eroomde> turns out he lives 2 mins away
[22:57] <Lunar_Lander> I rebuilt it with that Formula 1 hull that came out
[22:57] <fsphil> forget ukhas2013, we need a robot wars event
[22:57] <chrisstubbs> yeah mine sorta never worked again after i built the remote control. it all started getting a little overcompicated
[22:57] <Lunar_Lander> but the crappy thing is that the ultrasonic sensors didn't seem to work
[22:57] <Lunar_Lander> yeah
[22:57] <Lunar_Lander> I think RR was cancelled before the end in germany
[22:57] <chrisstubbs> i have 3 in my loft that were given to me
[22:57] <Lunar_Lander> i.e. the football playing
[22:57] <Lunar_Lander> that wasn't released here
[22:58] <chrisstubbs> well i ran one off 12v for a bit and it shredded the gearboxes
[22:58] <Lunar_Lander> xD
[22:58] <Lunar_Lander> oh
[22:58] <chrisstubbs> very nice old guy gave them to me and some estes model rockets :)
[22:58] <fsphil> mine runs at 5v, and even that's too quick :)
[22:58] <Lunar_Lander> Rex Garrod we forgot
[22:58] <Lunar_Lander> the man who invented the Srimech :)
[22:58] <arko> what ever happen to robotwars?
[22:58] <chrisstubbs> rex's robot challenege rex?
[22:59] <fsphil> it went to channel 5, graveyard of tv shows
[22:59] <Lunar_Lander> yea and Cassius I and II maker
[22:59] <Lunar_Lander> yeah
[22:59] <chrisstubbs> i have a good story about rex
[22:59] <Lunar_Lander> I think he left because one tech almost got killed with Cassius II?
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[23:00] <chrisstubbs> i followed his designs to built a robot (that later turned into this: http://www.instructables.com/id/USB-Robot/)
[23:00] <chrisstubbs> When it came to build the electronics i had no idea what i was doing (4 or so years ago) and managed to find his phone number online
[23:00] <chrisstubbs> and spoke to him about it :P
[23:00] <Lunar_Lander> cool!
[23:00] <fsphil> "robot ears, stand by"
[23:00] <eroomde> he is a legend
[23:01] <Lunar_Lander> didn't he make a Cassius III?
[23:01] <eroomde> i learned a lot from him
[23:01] <eroomde> i saw the bits for cassius 3 once
[23:01] <eroomde> bu i dont think ot got fully made
[23:01] <Lunar_Lander> ah
[23:01] <Lunar_Lander> I think I heard something about a rear saw or so
[23:01] <chrisstubbs> he gave me the robot wars presenters number too (that also presented the cybot vids)
[23:01] <chrisstubbs> craig charles
[23:02] <eroomde> i think he got pissed off by the weight limit increase from 80kg to 100kg, and mentorn's mix of arrogance and lack of knowledge
[23:02] <eroomde> in the rules and the tech checks and pit safety
[23:02] <Lunar_Lander> chrisstubbs, cool
[23:02] <Lunar_Lander> eroomde, yeah
[23:02] <Lunar_Lander> wasn't that because rex left?
[23:02] <Lunar_Lander> I think you said that a tech was standing in the way of the pneumatic spike of Cassius II while it was armed
[23:02] <eroomde> http://robotwars101.org/events/event_results.php?eventid=3
[23:03] <Lunar_Lander> ah sorry misread
[23:03] <Lunar_Lander> yeah
[23:03] <Lunar_Lander> why was he angry about the weight?
[23:04] <eroomde> sorry not aws3, aws4
[23:04] <eroomde> http://robotwars101.org/events/event_results.php?eventid=8
[23:04] <eroomde> my first ever event
[23:04] <Lunar_Lander> because it was like "damn, we could have had heavier bots earlier on?"
[23:04] <eroomde> aged 13
[23:04] <eroomde> i built APC
[23:04] <Lunar_Lander> cool
[23:04] <Lunar_Lander> I still would love to build an ant
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[23:04] <eroomde> such a nerdy child
[23:04] <Lunar_Lander> :)
[23:04] <Lunar_Lander> there is a guy who I thought was awesome because he made a hydraulic weapon ant
[23:07] <eroomde> why did he think you were awesome?
[23:07] <eroomde> oh misread
[23:07] <eroomde> who was that?
[23:08] <Lunar_Lander> Feeble was the name of the bot
[23:08] <Lunar_Lander> and the builder was named Thompson I think
[23:18] <Lunar_Lander> yea
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[23:18] <chrisstubbs> night guys
[23:19] <Lunar_Lander> night chrisstubbs
[23:20] <arko> eroomde: that's epic
[23:20] <arko> i wish the stuff i built at 13 was that crazy cool
[23:20] <arko> heh
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[23:21] <fsphil> I was too busy playing c64 games
[23:21] <arko> at least a little distructive
[23:21] <fsphil> actually no I had the amiga 600 by then
[23:28] <arko> man this takes me back
[23:28] <arko> to the jpl invention challenge years
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[23:42] <Lunar_Lander> JPL Invention Challenge?
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[23:52] <arko> http://www.jpl.nasa.gov/events/inventionchallenge/index.cfm
[23:53] <arko> aww man
[23:53] <arko> good times
[23:53] <arko> http://www.jpl.nasa.gov/events/inventionchallenge/2006/images/browse/entry36a-br.jpg
[23:53] <arko> that was my last year, and it went terrible
[23:53] <arko> learned a lot
[23:53] <arko> did great years before
[23:53] <Lunar_Lander> cool
[23:53] <Lunar_Lander> oh
[23:53] <arko> that was built literally the day before
[23:53] <arko> the prototypes were crap
[23:53] <Lunar_Lander> oh
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[23:54] <arko> another group was suppose to deliver a motor shooter mechanism
[23:54] <arko> never happened
[23:54] <Lunar_Lander> oh
[23:54] <arko> good times
[23:54] <arko> i have a picture from 2002 when i first joined
[23:54] <arko> damn i was a kid
[23:55] <arko> seems like yesterday :(
[23:57] <arko> http://www.flickr.com/photos/arakourchians/226298490/in/photostream/
[23:58] <arko> damn :/
[23:58] S_Mark (S_Mark@212-139-120-124.dynamic.dsl.as9105.com) left irc:
[23:59] <arko> crashed and fixed that glider so much
[00:00] --- Tue Mar 19 2013