highaltitude.log.20130223

[00:00] <Hix> dunno i've heard good things about laser transfer
[00:00] <chrisstubbs> Ive had some pretty good boards from it, and pretty bad
[00:00] <Hix> but 10x 50x50mm boards worked out £13
[00:00] <Hix> cheaper than buying etch stuff
[00:00] <chrisstubbs> cant complan at that!
[00:01] <Hix> just the wait
[00:01] <chrisstubbs> when i used to use ExpressPCB it worked out at like £45 a board...
[00:01] <Hix> but hey shiny shiny
[00:01] <Hix> shit
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[00:01] <Hix> really
[00:01] <chrisstubbs> i still use it becuase its SO easy, never ordered from them but works for toner transfer
[00:04] <chrisstubbs> 3.8" x 2.5" is $51 for 3 boards
[00:04] <chrisstubbs> not quite as bad as i thought
[00:04] <chrisstubbs> but still
[00:05] <Hix> still chuckling to myself that i just drove past a policecar that had gone backwards into a ditch in a known ice-spot, maybe they'll actually do something about said road now one of them has experienced how treacherous it really is
[00:06] <Hix> that's some big boards, do they need to be so big?
[00:10] <Hix> chrisstubbs: re:reg
[00:11] <chrisstubbs> thats their cheapest option
[00:11] <Hix> TPS76633D came recommended by all on here
[00:12] <Hix> you need to hop over to #hackvana
[00:12] <Hix> http://tinyurl.com/hvpcbfaq
[00:12] <chrisstubbs> TS2950CT is what i have
[00:12] <Hix> k
[00:18] <chrisstubbs> Just saw the time, night all!
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[00:27] <Hix> gn
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[02:07] <griffonbot> @Mariano817: #CUSF @sebasrossa semana con cursado de sábado para cursillo de ingreso. [http://twitter.com/Mariano817/status/305136771220525058]
[02:12] <griffonbot> @sebasrossa: RT @Mariano817: #CUSF @sebasrossa semana con cursado de sábado para cursillo de ingreso. [http://twitter.com/sebasrossa/status/305138061002539009]
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[02:59] <arko> dang it
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[03:11] <arko> wow
[03:11] <arko> the EZCAP is amazingly good
[03:11] <arko> for a usb sdr
[03:11] <arko> stick
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[06:08] <arko> Upu: you around?
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[06:44] <arko> Upu: man, your guide is great
[06:45] <arko> took like 5 minutes to setup the RTTY beacon and decode
[06:45] <arko> http://i.imgur.com/7kKQSOL.png
[06:45] <nigelvh> RTTY using ASCII is a very convenient transmission method.
[06:45] <arko> :)
[06:46] <arko> i love the simplicity
[06:46] <nigelvh> In the past I've done RTTY with baudot, which is actually a good bit more work.
[06:48] <nigelvh> I've now moved to APRS, but in retrospect I would have done ASCII rather than Baudot when doing the rtty.
[06:49] <arko> bah
[06:49] <arko> aprs, i just hate AX25
[06:49] <arko> so annoying
[06:49] <arko> whats baudot?
[06:49] <arko> omg stupid me
[06:49] <arko> baudot code
[06:49] <arko> nvm
[06:50] <nigelvh> saves a few bits with chars, but you have to do a lookup table
[06:50] <nigelvh> What do you hate about AX25?
[06:50] <arko> yeah, nice if you want to keep the transmission short
[06:50] <arko> it's just annoying and not used anywhere other than aprs
[06:51] <nigelvh> Well, it's used in packet, and the linux kernel supports it, but yes, APRS is a big user.
[06:52] <arko> oh really?
[06:52] <arko> hmm
[06:52] <arko> didnt know that
[06:52] <nigelvh> I think it's a good protocol, but more advanced than what most balloon users would need.
[06:53] <nigelvh> Designed to be able to handle all sorts of routing and whatnot.
[06:53] <nigelvh> Can actually do IP over it.
[07:04] <arko> hmm
[07:04] <arko> neat
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[07:19] <arko> anyone with experience with dl-fldigi around?
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[07:41] <Upu> morning arko
[07:42] <jcoxon> morning Upu
[07:43] <Upu> morning jcoxon
[07:45] <jcoxon> hows prepping for monday going?
[07:47] <Upu> pretty much ready
[07:48] <Upu> going into work today to finish the container
[07:48] <Upu> back soon dog is grumbling and wants to go out
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[08:23] Nick change: UPu2 -> Upu
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[09:39] <Elwell> is anyone running accelerometers / compasses in their HAB trackers? wondered if you had 'the camera is facing this way' data?
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[09:47] <Hix> Elwell, I did enquire abut this a couple of weeks ago, seems not really.
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[10:03] <gonzo_mob> no flights today?
[10:03] <gonzo_mob> saw the sharp project postponement
[10:03] <craag> gonzo_mob: Sharp was cancelled, so no as far as I'm aware.
[10:03] <gonzo_mob> mornin phil
[10:04] <craag> good mornin to you
[10:04] <craag> At least I got a bit more of a lie-in this morning :0
[10:04] <craag> *:)
[10:05] <gonzo_mob> hehe. I was thinking the same thing
[10:05] <craag> But yeah, very annoying, last minute H&S paperwork didn't get signed off before the deadline, so no launch.
[10:06] <number10> thats a shame
[10:06] <number10> mind you its snowing here and I didnt fancy putting antenna up
[10:07] <daveake> snowing here too
[10:08] <daveake> not as bad as the cumbrian blizzard 2 weeks ago though :)
[10:08] <craag> Probably snowing at the launch site too then :P
[10:08] <number10> was going to try a tv yagi
[10:09] <daveake> Maybe the H&S problem was Hail & Snow?
[10:09] <gonzo_mob> tis cold here and 868meg woild mean going out portable
[10:10] <craag> number10: That would likely work quite well. I'm worried about the TV bands deafening the funcube a bit. It woul be nice to get some 868MHz saw filters!
[10:11] <number10> I was going to use my aor scanner
[10:11] <craag> Plus all this 800 MHz 4G now..
[10:11] <gonzo_mob> was going to get some from rs to try
[10:11] <craag> gonzo_mob: You found some?
[10:11] <gonzo_mob> but rs now have a min order for free postinh
[10:12] <gonzo_mob> yep a 2meg and a 20meg bandwidth ones
[10:13] <gonzo_mob> was going to get some more DDK lna's and graft one in
[10:14] <number10> http://www.ebay.co.uk/itm/EPCOS-B39871B3570U310-FILTER-FRONT-END-SAW-868-30MHZ-/251002939290?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item3a70f0e79a
[10:16] <craag> gonzo_mob: Just found them.
[10:16] <craag> The band that I'm using is 869.4 - 869.65, so the 868.3 centered ones aren't ideal.
[10:17] <craag> The 20MHz one covers it however, and is quite cheap!
[10:19] <craag> Also it's the same size as the one in the habamp, so would substitute in nicely.
[10:20] <number10> what was the part #
[10:20] <craag> 496-3157
[10:20] <number10> ta
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[10:22] Action: Elwell ponders seeing if a quickcam 9000 will work on a r-pi and save/rescale some images to send via ssdv
[10:24] <daveake> Should be fine.
[10:24] <gonzo_mob> need to check if the 20meg is narrow enough
[10:24] <gonzo_mob> prob will depend on your location
[10:25] <daveake> Elwell It'll need the USB fuse shorted, if your Pi has them
[10:26] <Elwell> ah yeah - tis a 1st gen one
[10:30] <craag> gonzo_mob: Yeah it's not perfect for such a small band, but it's a vast improvement on the rtlsdr frontend, and even the funcube pro plus uses only a 470MHz-900MHz filter for that range iirc.
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[10:53] <UpuWork> pink is back!
[10:53] <UpuWork> http://i.imgur.com/Ltt4fiA.jpg
[10:54] <jonsowman> :D
[10:54] <jcoxon> is that the jpole hanging down as well?
[10:54] <jcoxon> with the pink tip
[10:56] <UpuWork> yes
[10:56] <UpuWork> bit of PVC pipe acting as a choke at the top
[10:56] <UpuWork> hard to tell but its suspended under the payload
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[10:56] <daveake> You need a higher ceiling
[10:56] <UpuWork> I know
[10:56] <UpuWork> basement :)
[10:57] <UpuWork> right need to crack on will post more pics later
[10:57] <fsphil> you've actually got more monitors there than daveake
[10:57] <daveake> just
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[11:40] <Upu> http://imgur.com/a/Gn1QG
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[11:40] <Upu> what I did this morning
[11:40] <daveake> Nice to see the Office books being used
[11:41] <Upu> notice the QSL card in the back ground jcoxon
[11:42] <craag> Is that battery pack just AAs in parallel?
[11:43] <Upu> yeah 6 arranged to give 3.2v @ 9000mah
[11:43] <Upu> well 3.8v when new
[11:43] <cm13g09> Upu: looks like somebody has been battling with Windows 7 ;)
[11:43] <craag> Ah nice. What's the projected life?
[11:43] <Upu> 6 days
[11:44] <Upu> my engineers cm13g09 :)
[11:44] <cm13g09> Upu: ah, fair enough
[11:44] <fsphil> did they win?
[11:44] <Upu> yes I have 7 microsoft certified engineers now
[11:45] <Upu> whether that constitudes a "win" I'm not sure
[11:45] <fsphil> we'll call it a draw
[11:45] <craag> Any particular reason to go with the gps chip antenna over the helix? I'd have thought you'd have wanted to minimise the work for the GPS over the little extra weight.
[11:46] <Upu> under an open sky there is little difference in performance
[11:46] <Upu> but the actual answer is the bottom PCB is just a slightly stretched version of PAVA
[11:46] <Upu> which uses a chip
[11:46] <Laurenceb_> 144mhz?
[11:46] <craag> Ah it does look famailiar, fair enough!
[11:46] <Upu> and 70cms
[11:47] <Upu> can TX both frequencies at once Laurenceb
[11:47] <Laurenceb_> interesting
[11:47] <Laurenceb_> be interesting to see if it propogates differently
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[11:47] <Upu> yeah
[11:47] <Upu> its all very "test"
[11:47] <Upu> the slim jim antenna seems to be ok on SWR
[11:47] <Upu> but who knows
[11:47] <Upu> only one way to find out
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[11:57] <Laurenceb_> is there a launch today?
[11:58] <costyn> Laurenceb_: in Poland
[11:59] <Laurenceb_> ah
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[12:10] Action: Maxell is at the hackerspace and can track is
[12:10] <Maxell> PYSY is the balloon?
[12:11] <fsphil> should be yea
[12:11] <pjm> did the 868MHz balloon go up?
[12:11] <craag> pjm: No, still sitting here on my desk. Launch was cancelled.
[12:11] <pjm> ok
[12:12] <craag> Maybe next weekend.
[12:15] <chrisstubbs> Using kapton tape for toner transfer http://flic.kr/p/dX4tnR
[12:16] <fsphil> that looks snazzy
[12:16] <chrisstubbs> it does not stick to the kapton at all, so the edges lift up straight waya making them a little fuzzy, but the IC end of things in the middle looks perfect
[12:16] <chrisstubbs> just touched it up with a OHP fineliner and ready to etch :)
[12:17] <fsphil> I don't have the patience for etching, and then drilling, and then soldering...
[12:18] <chrisstubbs> not many holes to drill for this board :) but a good drill helps a lot
[12:18] <NigelMoby> I'd fail at 2 of those at least.
[12:18] <fsphil> the etching part I'd definitely fail at
[12:19] <chrisstubbs> im going to go see how this goes, be back in about an hour
[12:19] <NigelMoby> if I did it there'd be nothing left lol
[12:19] <chrisstubbs> haha
[12:19] <chrisstubbs> brb
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[12:19] <fsphil> "Dunno how you did it Nigey, but you've managed to etch the plastic bowl"
[12:20] <NigelMoby> lol
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[12:20] <NigelMoby> that hole was there already honest...
[12:20] <NigelMoby> hey james
[12:20] Action: fsphil notes the hostname
[12:21] <fsphil> where's that at jcoxon?
[12:21] <NigelMoby> London hackspace*
[12:21] <NigelMoby> ?
[12:21] <fsphil> ah it is too
[12:21] <jonsowman> redirects to london.hackspace.org.uk
[12:21] <lz1dev> morbeo: bro, 4 asteroidni bela in a row
[12:22] <NigelMoby> if it wasn't a 2 hour train ride is have gone.
[12:22] <NigelMoby> I'd*
[12:22] <fsphil> here too
[12:22] <fsphil> well that and the flight
[12:23] <NigelMoby> yeah the flights the flaw in that plan Phil lol
[12:23] <fsphil> I need my own aircraft
[12:23] <NigelMoby> big balloon...lots of h2....
[12:23] <jcoxon> YEAH
[12:23] <jcoxon> oops
[12:23] <jcoxon> i made it into the hackspace
[12:23] <jcoxon> its only 15mins from my house
[12:23] <NigelMoby> ooh lucky :(
[12:24] <jonsowman> you living in london again now jcoxon?
[12:25] <jcoxon> yeah
[12:25] <jcoxon> back in london
[12:25] <jonsowman> :)
[12:25] <jcoxon> i've been back for a while
[12:25] <jcoxon> just never got round to popping into the space
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[12:38] <Maxell> When will the Polish balloon launch?
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[12:40] <fsphil> when it's ready </duke4>
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[12:54] <Maxell> fsphil: oki doki I can live with that.
[12:54] <Maxell> And freq :P
[12:54] <fsphil> hopefully they'll update us
[12:55] <Maxell> None of them in this chan?
[12:55] <mattbrejza> the polish launch is on the 24th btw
[12:55] <fsphil> so it is
[12:56] <Maxell> :(
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[14:01] <chrisstubbs> http://flic.kr/p/dXaLLN
[14:01] <chrisstubbs> very impressed with how well the kapton tape has worked!
[14:02] <jarod> why is the print rotated? artsy? if so... rm -rf yourself
[14:03] <chrisstubbs> what do you mean?
[14:03] <jarod> just take a bloody straight picture
[14:04] <chrisstubbs> straight pictures are boring!
[14:07] <Randomskk> kapton tape is interesting! printed onto it?
[14:07] <Randomskk> instead of acatate or similar?
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[14:07] <chrisstubbs> Yes randomssk
[14:08] <chrisstubbs> toner transfer
[14:08] <Randomskk> mm
[14:08] <chrisstubbs> i looked at the printout and thought, thats exactly the width of my kapton tape, it HAS to work!
[14:09] <Randomskk> yea I've always used laser transparencies
[14:09] <Randomskk> they work well too
[14:09] <chrisstubbs> i was going to try it this time, but went with kapton instead
[14:09] <chrisstubbs> i will try transparency soon. apparently label backing is the best
[14:10] <Hix> sweet job chrisstubbs
[14:10] <Hix> how'd you pring onto the kapton tape thogh?
[14:11] <chrisstubbs> i printed it onto a4 fisrt
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[14:11] <Hix> then iron transfer?
[14:11] <chrisstubbs> then stuck the kapton tape over the image and printed over it again
[14:12] <chrisstubbs> then ironed that one
[14:12] <Hix> ah gotcha
[14:12] <Hix> cool, looks very nest
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[14:12] <Hix> neat even
[14:13] <Hix> I've just taken an old laptop apart to scavenge bits and solder practice - found this http://goo.gl/FGCHH
[14:13] <Hix> Remote/Local Temperature Sensor
[14:13] <Hix> with SMBus Serial Interface
[14:14] <chrisstubbs> sweet :)
[14:14] <Hix> -55 to +125 range
[14:14] <Hix> gotta be some use for monitoring
[14:14] <chrisstubbs> 4th pin in and ive already bridged two tqfp pins, damm you unsteady hands!
[14:14] <Hix> drag it should come clean
[14:14] <Hix> flux it too
[14:15] <Hix> i've found a sponge under my heel of hand works pretty well
[14:16] <chrisstubbs> solder braided it :)
[14:17] <Hix> :D
[14:25] <chrisstubbs> done :) it looks a mess but it might just work
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[15:31] <eroomde> Randomskk: have you got octave to build with homebrew?
[15:32] <Randomskk> never tried
[15:33] <Randomskk> always just sshd to desktop in that case
[15:40] <jcoxon> okay, charging a 5v 5F supercap setup with a solar cell takes a long time!
[15:40] <jonsowman> lol
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[15:46] <Laurenceb__> has anyone here got mathematica or equivalent?
[15:46] Nick change: Laurenceb__ -> Laurenceb_
[15:49] <NigeyS> which version ?
[15:55] <Laurenceb_> i was just after some help integrating something
[15:55] <Laurenceb_> integral_0^ (exp(b t+a/t))/t^2.5 dt
[15:55] <eroomde> Randomskk: probably sensible
[15:56] <eroomde> Laurenceb_: sympy
[15:56] <Laurenceb_> ill try maxima
[15:56] <eroomde> wolfram alpha might do symbolics too, no idea really
[15:56] <Randomskk> it does
[15:56] <NigeyS> oh ok lol
[15:56] <Laurenceb_> it fails with this equation
[15:57] <Randomskk> what even is exp(b t+a/t)
[15:57] <Randomskk> missing a character or is that weechat not doing unicode as well as I'd hope
[15:57] <Laurenceb_> exp(b*t+a/b)
[15:57] <Randomskk> thought so
[15:57] <zyp> not a/t?
[15:58] <Randomskk> sigh, weechat
[15:58] <Laurenceb_> think ti was at my end, sorry
[16:04] <eroomde> Randomskk: for posterity and you, latest xcode builds latest octave with latest brew bottle
[16:04] <Randomskk> yay
[16:04] <Randomskk> I'll bear that in mind
[16:04] <Randomskk> atm having a bit of a sadface over this machine learning coursework
[16:04] <jonsowman> I used brew to install octave a long time ago
[16:04] <jonsowman> took forever
[16:05] <eroomde> what's up with it?
[16:05] <Randomskk> matlab, of course, and gibbs sampling
[16:05] <Randomskk> well it should be fine but the notes are annoying and (this part of) the coursework is just "fill in this blank line"
[16:05] <Randomskk> which is if anything more annoying than doing it myself from scratch
[16:05] <eroomde> yes
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[16:05] <eroomde> i dislike those a lot
[16:06] <Randomskk> so I have to figure out precisely what they want
[16:06] <Randomskk> and the implication that it's only one line is a bit weird
[16:06] <Randomskk> so it's a multivariate gaussian conditional
[16:06] <Randomskk> and according to the notes the mean is covariance*(other stuff)
[16:07] <Randomskk> but the code definitely calculates the means before the covariances
[16:07] <Randomskk> so... what.
[16:07] <Randomskk> http://mlg.eng.cam.ac.uk/teaching/4f13/1213/lect0607.pdf pg20
[16:07] <NigeyS> ..wtf.. :|
[16:07] <Randomskk> I'm finding the mean vector and covariance matrix of the conditional to draw samples from, which is fine and all
[16:08] <Randomskk> but the notes clearly have the cov first and mean second, and the mean appears to use the cov (though dimensionally that seems a bit weird too)
[16:08] <Randomskk> and the code is v.v.
[16:08] <Randomskk> sigh
[16:09] <eroomde> i guess it might not matter fundamentally?
[16:09] <Randomskk> hmm you know what, I think it just computes the part of the mean inside the brackets first
[16:09] <Randomskk> then much later applies the cov bit on the outside
[16:10] <Randomskk> in which case everything is fine
[16:10] <Randomskk> right, "obviously"
[16:10] <Randomskk> m is the part in the brackets I calculate, then iSS is the precision matrix, and their code does iR=chol(iSS); mu = iR\(iR'\m);
[16:11] <Randomskk> which is clearly the same as inv(iSS)*m which is in fact the cov * m
[16:11] <Randomskk> >_>
[16:11] <Randomskk> this would be like five minutes in pyMCMC from scratch
[16:12] <Randomskk> stupid left matrix division
[16:12] <Randomskk> stupid matlab
[16:12] <eroomde> yes thats ugly as sin
[16:12] <Randomskk> oh well. guess it means I'm done filling in their code for now at least.
[16:13] <Randomskk> can't *wait* to get to the factor graph and sum-product algorithm part
[16:14] <Randomskk> oh I guess the cov*m thing is because it's using natural parameters so they all add happily
[16:16] <eroomde> i have run that oct2py demo
[16:16] <eroomde> nice
[16:17] <Randomskk> lovely isn't it
[16:17] <eroomde> might use oct2py to interactively enter dicts with less syntax
[16:17] <Randomskk> I mean I still prefer writing things "properly" in numpy if I plan for them to ever get used
[16:17] <eroomde> yes
[16:17] <Randomskk> but octave is quicker for prototyping bits
[16:17] <eroomde> but for legacy playing
[16:17] <Randomskk> and extensive legacy bits
[16:17] <Randomskk> yes
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[16:52] <chrisstubbs> having trouble burning bootloader to arduino atmega168 8mhz using another arduino as isp
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[16:57] <Maxell> chrisstubbs: the arduino didn't had any bootloader on it?
[16:57] <Maxell> Let me check.
[16:58] <Maxell> chrisstubbs: This is what I documented for my Arduino Nano not shipping w/ bootloader: https://revspace.nl/ArduinoBootloader
[16:58] <chrisstubbs> im using 168 samples from atmel
[16:59] <chrisstubbs> avrdude: Expected signature for ATMEGA168 is 1E 94 06
[16:59] <chrisstubbs> Double check chip, or use -F to override this check.
[17:02] <Upu> what is the signature its saying ? 00 00 00 ?
[17:03] <chrisstubbs> how can i check?
[17:03] <Upu> should say
[17:03] <chrisstubbs> just using the aruino ide :(
[17:03] <Upu> in the error box
[17:03] <Upu> meh get a programmer :)
[17:03] <chrisstubbs> thats all it says im afraid
[17:04] <Upu> you could down load the ATMEL Studio
[17:04] <Upu> I think that would wokr
[17:04] <chrisstubbs> ok will give that a go then, sheers
[17:04] <jonsowman> yeah it would
[17:04] <jonsowman> you could just get winavr
[17:04] <jonsowman> instead of the whole ide
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[17:10] <eroomde> i wish the internet would realise that the word 'bias' is a noun and acts like a normal noun
[17:10] <eroomde> you can treat it like a noun because it is one
[17:10] <eroomde> 'your opinion is bias'
[17:10] <eroomde> is like saying 'your opinion is lampshade'
[17:11] <jonsowman> ?
[17:11] <chrisstubbs> lol
[17:12] <Randomskk> "your opinion is biased"?
[17:12] <jonsowman> it is a noun and a verb
[17:12] <jonsowman> 'your opinion is x' would require that x be an adjective
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[17:13] <Randomskk> biased is an adjective
[17:13] <jonsowman> yes
[17:13] <Randomskk> in fact
[17:13] <Randomskk> bias is an adjective
[17:13] <jonsowman> indeed
[17:13] <chrisstubbs> arduino as ISP _should_ work, Ill have a play around with atmel studio/winavr
[17:13] <Randomskk> albeit not a common one
[17:13] <jonsowman> such as?
[17:14] <Randomskk> it means like "done diagonally"
[17:14] <Randomskk> cut/set/folded
[17:14] <jonsowman> oh yes, but it's not the same meaning as the noun/verb
[17:14] <Randomskk> no indeed
[17:14] <Randomskk> well it is one meaning of the noun
[17:14] <Randomskk> a bias is a diagonal line of direction
[17:14] <Randomskk> "I gave the shirt a bias fold"
[17:14] <jonsowman> lol
[17:15] <jonsowman> I'm unsure of the point ed was trying to make
[17:15] <Randomskk> "your opinion is bias" uses the adjective form and implies that the opinion is somehow diagonal
[17:15] <Randomskk> yes i'm not sure what point ed was making
[17:15] <jonsowman> lol
[17:15] <Randomskk> also, curtain samples, seriously?
[17:15] <jonsowman> I don't think that makes sense, but it is syntactically correct I suppose
[17:16] <jonsowman> stupid English
[17:16] <Randomskk> the first two are the same
[17:16] <Randomskk> if you can tell between them you are caring too much
[17:16] <Randomskk> (go with the third)
[17:16] <jonsowman> they looked a lot different
[17:16] <jonsowman> and I am going with the third
[17:16] <jonsowman> :)
[17:16] <jonsowman> </sad>
[17:16] <Randomskk> good choice :P
[17:16] <jonsowman> <additional sad>I also have a matching lampshade</additional sad>
[17:17] <Randomskk> it's too late for you
[17:17] <jonsowman> mm I know
[17:18] <Randomskk> sort out desk lights yet?
[17:18] <jonsowman> nope
[17:18] <jonsowman> urgh
[17:18] <griffonbot> @sebasrossa: Terminando la primera semana de curso de admision del #cusf con todo el equipo @Mariano817 [http://twitter.com/sebasrossa/status/305366008380682241]
[17:18] <jonsowman> :\
[17:18] <jonsowman> huh
[17:19] <chrisstubbs> avrdude.exe: Device signature = 0x1e940b
[17:19] <jonsowman> is that what it's meant to be or what it is?
[17:19] <Randomskk> looks better than 0x00000000
[17:20] <chrisstubbs> avrdude.exe: Device signature = 0x1e940b
[17:20] <jonsowman> true
[17:20] <chrisstubbs> oops sorry
[17:20] <chrisstubbs> avrdude.exe: Device signature = 0x1e940b
[17:20] <chrisstubbs> arch
[17:20] <jonsowman> what's happening
[17:20] <chrisstubbs> sorry i was trying to use paste....
[17:20] <chrisstubbs> avrdude.exe: Device signature = 0x1e940b
[17:20] <chrisstubbs> avrdude.exe: Expected signature for ATMEGA168 is 1E 94 06
[17:20] <chrisstubbs> there we go :)
[17:21] <Randomskk> you probably have an atmega168p
[17:21] <Randomskk> or pa
[17:21] <chrisstubbs> good point
[17:21] <Randomskk> check and adjust the flag accordingly
[17:21] <jonsowman> yep
[17:21] <jonsowman> 168P
[17:21] <Randomskk> hmm
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[17:21] <Randomskk> shit, I ate all my crackers but still have brie left
[17:21] <jonsowman> language.
[17:21] <Randomskk> I can conclude that despite being 8 days "out of date" this brie was fantastic
[17:21] <NigeyS> lol
[17:21] <chrisstubbs> 168pa was not found
[17:21] <Randomskk> best brie ever
[17:22] <Randomskk> now there is not so much left
[17:22] <Randomskk> oh right I need to reply to that
[17:22] <NigeyS> chrisstubbs
[17:22] <jonsowman> chrisstubbs: http://www.atmel.com/Images/doc8089.pdf
[17:22] <jonsowman> table 12-3
[17:22] <NigeyS> it'll be 1 of these..
[17:22] <NigeyS> avr5 atmega168 __AVR_ATmega168__
[17:22] <NigeyS> avr5 atmega168a __AVR_ATmega168A__
[17:22] <NigeyS> avr5 atmega168p __AVR_ATmega168P__
[17:23] <Randomskk> yea use m168p
[17:23] <Randomskk> but it'l say on your chip what it is
[17:23] <Randomskk> written on it like
[17:23] <Randomskk> I think the PA is the same sig as the P anyway
[17:23] <jonsowman> table doesn't like the PA
[17:23] <jonsowman> helpful
[17:23] <chrisstubbs> it says aMEAG 168 PA AU 1230
[17:23] <jonsowman> yeah, use m168[p
[17:23] <jonsowman> without the
[17:23] <jonsowman> [
[17:23] <chrisstubbs> ok will try that thanks
[17:26] <cuddykid> you'll be proud Upu& successfully soldered on some header pins to both trackers :D
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[17:26] <cuddykid> [big achievement not screwing it up!]
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[17:31] <chrisstubbs> oooo its uploading, had to edit boards.txt
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[17:40] <cuddykid> one of the boards however definitely doesn't want to work (after accidental frying)
[17:40] <cuddykid> other one seems fine
[17:44] <eroomde> here is what i do using only the most 1000 common words in english
[17:44] <eroomde> i make things which push things into space but that you can use again so that they are less money than the things which push things into space that are used at the moment. the things which push things into space do this by using the bit of the air that you can burn, as they are pushing, instead of making the air into cold thing like water first and taking it with you in a box inside the thing which pushes the things into space.
[17:44] <eroomde> http://splasho.com/upgoer5/
[17:44] <eroomde> Randomskk and jonsowman - please explain your theses using this :)
[17:44] <jonsowman> haha
[17:45] <jonsowman> I will submit my final project report using that
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[18:28] <cuddykid> Upu: I've done some debugging of the board that isn't working properly.. looks like the GPS is setup ok - wrote power high/low code after setupGPS() and that gets called.. setupRadio() also seems to work, however no transmission whatsoever
[18:28] <cuddykid> do you reckon it could be just the rfm that's playing up?
[18:28] <cuddykid> / destroyed :P
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[18:37] <griffonbot> @Mariano817: RT @sebasrossa: Terminando la primera semana de curso de admision del #cusf con todo el equipo @Mariano817 [http://twitter.com/Mariano817/status/305385837162557441]
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[18:54] <Randomskk> there jonsowman
[18:54] <Randomskk> enjoy
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[18:58] <Elwell> hopefully a few US (who can use aprs airbourne) users around -- Making a DIY tracker - is it worth using a MX614 chip for the modem or try and do everything onboard the microprocessor?
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[19:59] <SP9UOB_Tom> evening all
[19:59] <fsphil> howdy Tom
[19:59] <SP9UOB_Tom> howdy.
[20:00] <SP9UOB_Tom> Polish hams are gathering on the map :-)
[20:01] <fsphil> nice! I got the date wrong earlier, thought the launch was today
[20:01] <jcoxon> shall we clear the map
[20:01] <fsphil> yea it's pretty busy
[20:01] <SP9UOB_Tom> jcoxon: yes, please :-)
[20:01] <SP9UOB_Tom> fsphil: im launcing tommorow morning
[20:01] <SP9UOB_Tom> launching
[20:01] <fsphil> yea
[20:02] <fsphil> someone corrected me earlier :)
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[20:04] <SP9UOB_Tom> http://sp9uob.verox.pl/sputnik-2/sputnik-3-land.jpg
[20:04] <SP9UOB_Tom> sputnik2 on the ground in Hungary
[20:04] <jcoxon> SP9UOB_Tom, done
[20:04] <SP9UOB_Tom> jcoxon: thanks
[20:05] <jcoxon> what freq?
[20:05] <fsphil> you getting it back SP9UOB_Tom?
[20:06] <SP9UOB_Tom> fsphil: yes, with little help of google-translator :-)
[20:06] <SP9UOB_Tom> jcoxon: 437.600 MHz
[20:06] <fsphil> excellent
[20:06] <SP9UOB_Tom> jcoxon: 7n1 470Hz
[20:06] <SP9UOB_Tom> 50 baud
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[20:12] <SP9UOB_Tom> at 437 MHz we have less QRMs :-)
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[20:14] <SP9UOB_Tom> prediction for tommorow: http://habhub.org/predict/#!/uuid=b97473b834ae0960d4f0af6507d2ae68ff053100
[20:18] <Upu> staying in poland for once :)
[20:24] <SP9UOB_Tom> Upu: yeah :-)
[20:24] <SP9UOB_Tom> Upu: we try to recover it :-)
[20:24] <Upu> good :)
[20:32] <griffonbot> Received email: Matthew Brejza "[UKHAS] Re: Android modem and tracking app"
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[20:44] <Lunar_Lander> ello
[20:44] <Lunar_Lander> +h
[20:45] <chrisstubbs> Evening
[20:48] <Lunar_Lander> how is the life?
[20:49] <fsphil> tasty
[20:50] <chrisstubbs> not bad, having limited success wiht my 168 breakout board :)
[20:52] <Lunar_Lander> yea
[20:52] <Lunar_Lander> had a quite good day
[20:52] <Lunar_Lander> but it is snowing
[20:52] <Lunar_Lander> all the time
[20:53] <fsphil> it snowed all day here, but really really fine flakes
[20:53] <Lunar_Lander> yea
[20:53] <fsphil> like soap bubbles
[20:53] <Lunar_Lander> there is a snow cover that has built up now
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[21:16] <eroomde> chrisstubbs: >0 success = success
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[21:17] <chrisstubbs> i say limited success, i can upload my scripts over ISP and they work perfectly. got the RFM22b running on it now :)
[21:17] <eroomde> nice
[21:18] <chrisstubbs> but i cant get my head round the bootloader loading/ uploading process using an arduino for it
[21:18] <chrisstubbs> think im going to just stick with ISP tbh
[21:18] <eroomde> i bought a martin parr book today
[21:18] <eroomde> some of the sets are very funny
[21:18] <eroomde> he did a collection as part of a documentary in the early 90s on how people decorate their homes
[21:18] <eroomde> http://www.magnumphotos.com/C.aspx?VP3=CMS3&VF=SearchDetailPopupPage&VBID=2K1HZOJ15EK6Q&PN=25&IID=2S5RYD5D2_Q
[21:19] <eroomde> you need to read the captions really
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[21:19] <eroomde> http://uk.phaidon.com/agenda/photography/picture-galleries/2010/march/24/martin-parr-and-england/?idx=14
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[21:20] <eroomde> http://uk.phaidon.com/agenda/photography/picture-galleries/2010/march/24/martin-parr-and-england/?idx=15
[21:20] <eroomde> etc
[21:20] <chrisstubbs> hah
[21:21] <chrisstubbs> got talked into going round one of my mums friends today to fix their computer as a favour
[21:21] <chrisstubbs> they turned my help away becuase they were "too buys watching tv"
[21:21] <chrisstubbs> *busy
[21:21] <chrisstubbs> im not going back
[21:21] <eroomde> wow
[21:23] <fsphil> that sucks
[21:23] <chrisstubbs> on a funny note her husband looked like hugh dennis meets prince charles
[21:24] <chrisstubbs> hows the world of HAB treating everyone
[21:25] <Lunar_Lander> well the launch is approaching
[21:26] <eroomde> i don't have sufficient broadband speed to live stream ch4, says ch4
[21:26] <eroomde> it's 30Mbit fibre!
[21:26] <eroomde> what the hell
[21:26] <Lunar_Lander> XD
[21:26] <chrisstubbs> i miss dial up
[21:27] <chrisstubbs> when i did work experience a few years ago the BT engineers still used it to connect to the web and download their jobs for the day
[21:28] <eroomde> old skool
[21:28] <PaulCDR> Hey folks, anyone ever use fritzing? for converting breadboard designs to pcb layouts.
[21:29] <PaulCDR> it can knock up arduino shield pcbs, its quite handy
[21:29] <SP9UOB_Tom> eroomde: http://www.speedtest.net/result/2529884591.png
[21:30] <SP9UOB_Tom> eroomde: test was taken minute ago
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[21:31] <eroomde> i bet you still couldn't stream ch4
[21:31] <SP9UOB_Tom> eroomde: watch stream ?
[21:32] <Lunar_Lander> hi SP9UOB_Tom
[21:32] <SP9UOB_Tom> Hi Lunar_Lander
[21:32] <Lunar_Lander> how are you today?
[21:32] <chrisstubbs> jeeez 564mb :O
[21:33] <SP9UOB_Tom> chrisstubbs: gigabit on fiber but computer tooo slow
[21:33] <chrisstubbs> PaulCDR, i used it a while ago but im afraid only once or twice
[21:33] <SP9UOB_Tom> Lunar_Lander: fine, thanks
[21:33] <Lunar_Lander> that is good to hear
[21:33] <Lunar_Lander> PaulCDR, it can?
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[21:33] <Lunar_Lander> recently it was't that good yet
[21:33] <OZ1SKY_Brian> eroomde its just trying to load here, nothing else. Works fine on TV though :-)
[21:34] <SP9UOB_Tom> OZ1SKY_Brian: new home ?
[21:34] <SP9UOB_Tom> OZ1SKY_Brian: im launching tommorow - straight to the north :-)
[21:34] <eroomde> OZ1SKY_Brian: saldy my housemate has removed the tv
[21:34] <SP9UOB_Tom> OZ1SKY_Brian: http://habhub.org/predict/#!/uuid=b97473b834ae0960d4f0af6507d2ae68ff053100
[21:34] <eroomde> she decided she was watching too much of it
[21:34] <PaulCDR> yeah, you can pull on an arduino that included with the package and build up the breadboard like all the outputs/inputs and get a pcb at the other end
[21:34] <OZ1SKY_Brian> Hi Tom, yes at the new place.
[21:35] <OZ1SKY_Brian> ahh nice, let me have a look
[21:35] <PaulCDR> they have a PCB fab service too, not sure if its uk but
[21:35] <OZ1SKY_Brian> are you exp. burst at 20000?
[21:36] <PaulCDR> i have my tracker all setup on breadboard now, gonna give it a blast.
[21:36] <PaulCDR> http://fritzing.org/
[21:36] <SP9UOB_Tom> OZ1SKY_Brian: 20 - 25 km we'll see
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[21:37] <OZ1SKY_Brian> OK, it will be out of range here than
[21:37] <SP9UOB_Tom> OZ1SKY_Brian: sad, but in the middle of march i'll be launching 6m @500mW out from Wloclawek (Central Poland)
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[21:38] <OZ1SKY_Brian> I would need no less than 30000 at that location :-)
[21:41] <OZ1SKY_Brian> im looking very much forward to that 6m launch
[21:42] <OZ1SKY_Brian> what freq are you exp. to you?
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[21:43] <OZ1SKY_Brian> now dont say 50.110
[21:43] <OZ1SKY_Brian> ups, i ment what freq are you exp. to use
[21:45] <Elwell> ublox q -- in HAB usage do they benefit from SBAS (just reading data sheet)
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[21:50] <SP9UOB_Tom> OZ1SKY_Brian: 50.807 MHz (16.9344 MHz crystal)
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[21:50] <OZ1SKY_Brian> ok shound be a good free freq.
[21:51] <OZ1SKY_Brian> wonder how my horizontal antenna will work, we´ll see
[21:52] <SP9UOB_Tom> we4ll see
[21:52] <OZ1SKY_Brian> just need some strong winds in Poland and it will be horizontal as well :-)
[21:53] <SP9UOB_Tom> ;-)
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[22:06] <Lunar_Lander> who recognizes the show? http://s.gullipics.com/image/4/9/3/5yvc8x-kl5g3j-ulmt/vlcsnap2013022323h03m01s16.png
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[22:07] <eroomde> you
[22:07] <hyte> probably
[22:08] <Lunar_Lander> xD
[22:12] <Laurenceb_> arg this is a disaster
[22:13] <Laurenceb_> maxima cant solve anything :-/
[22:13] <eroomde> sympy
[22:13] <eroomde> or you'll have no sympythy from me
[22:13] <Laurenceb_> lol
[22:13] <Hix> Lunar_Lander: nachtfahrer
[22:14] <Laurenceb_> eww this looks a pane to install
[22:14] <Lunar_Lander> Hix, xD
[22:14] <Lunar_Lander> yea
[22:14] <Laurenceb_> i just need to integrate exp(a/x+x)/x^1.5
[22:14] <Laurenceb_> from -inf to 0
[22:14] <Lunar_Lander> wolframalpha
[22:14] <Laurenceb_> it fails
[22:14] <Lunar_Lander> hm
[22:15] <Laurenceb_> i know the solution
[22:15] <Laurenceb_> its definitely doable
[22:15] <Laurenceb_> trying to find a symbolic algebra package that solves the equation
[22:15] <Hix> chrisstubbs: how did the breakout go?
[22:16] <Laurenceb_> http://live.sympy.org/
[22:16] <Laurenceb_> haha me likes
[22:17] <jarod> Lunar_Lander: kitt, duh
[22:18] <Lunar_Lander> yea
[22:18] <Lunar_Lander> and what sort of display is the blue thing that writes out Heading?
[22:19] <Laurenceb_> haha i killed their server
[22:19] <jarod> radar?
[22:19] <Laurenceb_> woops
[22:20] <Laurenceb_> integrate(exp(z/x+x)/(x*sqrt(x)),x)
[22:20] <Laurenceb_> Error: Operation timed out.
[22:20] <Lunar_Lander> jarod, not the sort of device but the display as such
[22:21] <Lunar_Lander> i.e. it is no LCD for sure
[22:21] <chrisstubbs> VFD?
[22:21] <Lunar_Lander> hm a friend suggested that but was not sure
[22:21] <Lunar_Lander> that might be
[22:21] <Lunar_Lander> I think in the 90's such displays were common with the weights in supermarkets for example
[22:22] <Lunar_Lander> sorry, the scales I mean
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[22:24] <Laurenceb_> eroomde: where do i find infinity?
[22:24] <Laurenceb_> in sympy
[22:24] <Hix> at the end
[22:25] <SP9UOB_Tom> Hix: hi :-)
[22:25] <Hix> Lunar_Lander: they were even allowed to read Lbs over here, now there's a thing :)
[22:25] <Hix> Hey SP9UOB_Tom
[22:25] <Hix> how goes?
[22:25] <Hix> when are you due to collect Pizza?
[22:26] <Laurenceb_> something is broken...
[22:26] <Laurenceb_> theres no infinity type defined
[22:26] <SP9UOB_Tom> Hix: not bad, all relady for tommorow's launch
[22:26] <SP9UOB_Tom> Hix: august i think :-)
[22:26] <Hix> WIN! not sure I'll pick it up here though
[22:26] <eroomde> Laurenceb_: oh sorry i thought it was symbolic
[22:27] <eroomde> if u want a numerica solution, dunno
[22:27] <Laurenceb_> no i do want symbolic
[22:27] <Hix> remember kabanosy ==Pizza ;p
[22:27] <Laurenceb_> but i think its only defined for definite integral
[22:27] <Laurenceb_> basically im using this function to test the capabilities of the packages
[22:27] <SP9UOB_Tom> Hix: i remember :-) Delicious kabanosy from Sokolow :-)
[22:27] <Laurenceb_> i have a family of related functions i need to evaluate
[22:28] <Laurenceb_> and theres no way im doing them all by hand
[22:28] <Randomskk> Laurenceb_: sympy has "oo" for infinity I think
[22:28] <Laurenceb_> exp(a/x+x)/x^n
[22:28] <Hix> SP9UOB_Tom: what are you launching, latex or foil?
[22:28] <Laurenceb_> where n=1.5,2.5,3.5 etc
[22:28] <SP9UOB_Tom> Hix: 100g kaysam
[22:29] <SP9UOB_Tom> with 70 gram payload
[22:29] <Randomskk> "from sympy import oo"
[22:29] <Laurenceb_> Randomskk: wow thanks
[22:29] <Hix> 100 or 1000?
[22:29] <Laurenceb_> it gave an answer O_o
[22:29] <SP9UOB_Tom> 100
[22:29] <Laurenceb_> first time ive seen that.. been struggling all day with this
[22:29] <Randomskk> :D
[22:30] <SP9UOB_Tom> most of the weight is insulation :-)
[22:30] <SP9UOB_Tom> payload ofcoz
[22:32] <Hix> SP9UOB_Tom: confused, 100g balloon but 70g p/l?
[22:32] <Laurenceb_> but it has a condition on the periodic argument of a
[22:32] <Laurenceb_> wtf
[22:32] <SP9UOB_Tom> Hix: yup - it can carry up to 250g
[22:32] <SP9UOB_Tom> to reasonable altitude
[22:33] <Hix> ok, what vol of He is in there?
[22:33] <SP9UOB_Tom> for my flight? About 0.23 m^3
[22:34] <Hix> huh?
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[22:35] <SP9UOB_Tom> about 230 grams lift - 100 g baloon, - 70g payload = 60 g of free lift
[22:36] <Laurenceb_> any idea what a periodic argument is?
[22:37] <Hix> ok, wow, not really studied pico stuff
[22:41] <Lunar_Lander> Hix, xD
[22:44] <Hix> SP9UOB_Tom: what is predicted ascent rate and burst alt?
[22:44] <Laurenceb_> ha done it
[22:44] <Laurenceb_> eroomde: thanks
[22:45] <Lunar_Lander> SP9UOB_Tom, are there news from Hungary?
[22:45] <SP9UOB_Tom> Hix: im aiming to about 1 m/s
[22:45] <Laurenceb_> eroomde: finally got to reproduce the correct result for the definite integral
[22:45] <Laurenceb_> was failing with maxima for hours :-/
[22:45] <SP9UOB_Tom> Lunar_Lander: http://sp9uob.verox.pl/sputnik-2/sputnik-3-land.jpg
[22:46] <Laurenceb_> now i need to write a script to do the other functions.. but ill do that later :P
[22:46] <SP9UOB_Tom> Hix: burst between 20 and 25 km
[22:46] <Lunar_Lander> cool!
[22:46] <Laurenceb_> so sympy >> maxima
[22:46] <SP9UOB_Tom> Lunar_Lander: they send me it back
[22:47] <Lunar_Lander> that is cool
[22:47] <SP9UOB_Tom> it also was 100g balloon - 350km distance
[22:47] <Hix> so you're aiming for floaaaaty SP9UOB_Tom
[22:48] <SP9UOB_Tom> http://sp9uob.verox.pl/sputnik-2/sp9uob-3-path.jpg
[22:48] <SP9UOB_Tom> Hix: its too small to float
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[22:53] <Hix> SP9UOB_Tom: maybe this is to blame http://i.imgur.com/uuDzLQM.jpg but how can it be too small to float?
[22:53] <SP9UOB_Tom> Hix: here is prediction: http://habhub.org/predict/#!/uuid=24e902d2fe8bb2c1b8633f8abf7b142c770029f5
[22:54] <Hix> huh 22m/s descent?
[22:54] <SP9UOB_Tom> no parachute ;-)
[22:55] <arko> What was the antenna y'all use for hand called?
[22:55] <Hix> krazy polsky
[22:55] <arko> For ground
[22:55] <Upu> hmm how do you mean Arko ?
[22:55] <Hix> arko Yagi -
[22:55] <Hix> directional
[22:55] <Hix> hey Upu
[22:55] <arko> I was thinking omni
[22:55] <Upu> Hi Hix
[22:55] <Hix> lost my K&D :/
[22:55] <Upu> http://www.arrowantennas.com/arrowii/440-5ii.html
[22:55] <Upu> these are lovely
[22:56] <arko> Ohh nice
[22:57] <arko> Which are those with 3 or so loops along the antenna
[22:57] <arko> Not sure if there is anything special about that
[22:57] <Hix> SP9UOB_Tom: not a bit dodgy no chute?
[22:57] <SP9UOB_Tom> night all
[22:58] <Upu> nigth Tom
[22:58] <Hix> night SP9UOB_Tom
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[22:59] <Elwell> Upu: (re arrow) - I like the look of their sat 2m/70cm dual one.
[23:00] <Upu> Yeah I bought the 70cms one
[23:00] <Upu> very very well made
[23:00] <Lunar_Lander> evening Upu
[23:00] <Upu> hi Lunar
[23:01] <Laurenceb_> http://www.abload.de/img/stasistge17.png
[23:01] <Lunar_Lander> Upu, I had an idea
[23:01] <arko> Ugg this ham radio shack is crazy people land
[23:01] <Lunar_Lander> but that is like "just for the show"
[23:01] <arko> Country music, obama hating, slow, old people everywhere
[23:02] <Hix> Upu in the absence of having proper files - http://goo.gl/OqyfD
[23:02] <Upu> ta
[23:02] <Upu> book marked
[23:02] <Lunar_Lander> something like a program that extracts data from dl-fldigi and then displays it in terms of aircraft instruments or alphanumeric displays
[23:02] <Lunar_Lander> you know how I mean?
[23:03] <Upu> go for it Lunar
[23:03] <Hix> ADS-B
[23:03] <Lunar_Lander> for an audience at a ground control station for example
[23:04] <craag> Lunar_Lander: A better way to do that would probably be a web page grabbing data from habitat.
[23:04] <Hix> anyone got any trick for salvaging smd parts from floed boards?
[23:04] <Lunar_Lander> yea
[23:04] <Lunar_Lander> xD HAB in Knight Rider style
[23:04] <craag> I put one together for my first flight that had a nice bar-graph of battery voltage and calculated estimated life remaining.
[23:04] <Lunar_Lander> cool
[23:05] <Hix> Tried gettn gbits off an old laptop MB earlier, most were stuck to board with what i assume was flux under the chips
[23:05] <Hix> ended up with bnt pins
[23:05] <lz1dev> Lunar_Lander: you mean like a guage for video?
[23:07] <craag> I might put one together this week to take advantage of the 1hz telemetry rate from the 868 payload, it would look quite cool updating that quickly I think.
[23:07] <chrisstubbs> Hix hot air gun?
[23:07] <Hix> not got
[23:07] <Hix> Lunar_Lander: http://www.dashware.net/
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[23:08] <chrisstubbs> Hmmm, toaster oven?
[23:08] <Hix> nope
[23:09] <Lunar_Lander> lz1dev, yea something like that
[23:09] <Lunar_Lander> thanks Hix
[23:09] <OZ1SKY_Brian> I took a old beat up yagi and cut it down to 5 elem, worked great at skyhab.
[23:10] <Hix> Looks very cool Lunar_Lander you can save habitat data as csv and import
[23:10] <Lunar_Lander> yea
[23:10] <chrisstubbs> Hix normal oven? :P
[23:10] <Hix> though if you have a "copy" of After effects you can do the same sort of thing
[23:10] <Lunar_Lander> thanks for the info
[23:11] <Hix> chrisstubbs: are you trying to get me castrated ;p
[23:11] <chrisstubbs> lmao
[23:11] <Hix> nps Lunar_Lander
[23:11] <Hix> how dis breakout go chrisstubbs
[23:11] <chrisstubbs> line it with tin foil, it will be fine
[23:11] <chrisstubbs> or do it in the microwave ;P
[23:11] <Hix> what my balls?
[23:13] <Lunar_Lander> btw we decided that we won't do experiments and leave the 808 camera behind
[23:13] <Lunar_Lander> as Upu had suggested last year
[23:14] <Hix> 808 camera - sounds retro
[23:14] <chrisstubbs> Hix, http://flic.kr/p/dXcwL6 pretty good! got it working with the RFM22 transmitting. the whole thing runs at 3v3 :)
[23:14] <Lunar_Lander> why is that Hix ?
[23:15] <chrisstubbs> missed out the 10k between reset and gnd, and the smoothing cap from the regulator. but i could just bash those on top
[23:15] <Hix> TB808 google it Lunar_Lander
[23:15] <Hix> chrisstubbs: schweet
[23:16] <Hix> good moves
[23:17] <Hix> so you said you printed onto paper then stuck kaymont tape on top then send through laser again the ntook tape off and ironed onto board?
[23:17] <chrisstubbs> yeah, kapton not kaymount :P
[23:17] <Hix> oops thinking ballons, they dont travel through laserjet
[23:18] <Lunar_Lander> I just get an analogue drum machine from Roland called TR-808
[23:18] <chrisstubbs> Hmmm might be worth a go though
[23:19] <Hix> Lunar_Lander: my bad, you say you bought a TR808?
[23:20] <Hix> I meant TB303 that was THE bass machine
[23:20] <Hix> TR808 was drums
[23:21] <Hix> missread you i think, you meant search just turned up TR808
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[23:21] <Lunar_Lander> yea
[23:21] <Lunar_Lander> I meant the key chain camera just referred to as "808"
[23:21] <Lunar_Lander> never heard of it?
[23:21] <Hix> nope
[23:21] <Lunar_Lander> one sec
[23:21] <Hix> but might have to buy one just coz f 808 ;)
[23:22] <OZ1SKY_Brian> i think a TR808 would be more fun to launch :-)
[23:22] <chrisstubbs> haha
[23:22] <Hix> noooooooooooooo OZ1SKY_Brian
[23:22] <Lunar_Lander> Hix, http://www.techmoan.com/blog/2011/12/25/christmas-presents-the-80816-camera.html
[23:22] <Lunar_Lander> XD
[23:23] <chrisstubbs> speaking of 808, we got some odd footage from ours, look at about 30 seconds in http://youtu.be/9B77KJy1bOc
[23:23] <Hix> ahhh, aren't they the culprits for severe RF interference
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[23:27] Action: craag hopes he'll get some footage from his someday..
[23:28] <craag> Hix: They can be, my particular model had no problems though (even sitting the gps breakout board on the camera)
[23:28] <chrisstubbs> I think i will wrap mine in a layer of tin foil just incase!
[23:29] <craag> Do plenty of testing on the ground first.
[23:29] Action: chrisstubbs is now a licensed amateur radio operator :D
[23:29] <Hix> This really remind me of whe nI worked ar Renault F1, all the mechs used to listen to this sort of acid at full chat whilst building the cars http://www.youtube.com/watch?v=nbUKZ3t6R3Q
[23:30] <craag> Check that the gps will get, and hold, a fix while the camera is running.
[23:30] Nick change: chrisstubbs -> chrisstubbs_M6ED
[23:30] <craag> chrisstubbs_M6ED: Congrats!
[23:30] Nick change: chrisstubbs_M6ED -> cstubbs_M6EDF
[23:30] <cstubbs_M6EDF> char limit
[23:31] <craag> Even with no ill effects observed on the ground, I made sure the battery would run out before burst, so the gps would be able to get a lock then if it had failed before.
[23:32] <cstubbs_M6EDF> craag good thinking batman
[23:33] <craag> If only I'd remembered to switch on the anti-landing-in-a-tree device..
[23:41] <OZ1SKY_Brian> cstubbs_M6EDF ok good video and no he´s not james may, lol
[23:43] <OZ1SKY_Brian> and congrats on the licens
[23:44] <cstubbs_M6EDF> Cheers :)
[23:44] <cstubbs_M6EDF> What do you mean about james may?
[23:46] <OZ1SKY_Brian> the 808 video
[23:47] <OZ1SKY_Brian> oh wait sorry, was not you who sent it :-)
[23:48] <cstubbs_M6EDF> Yeah i sent a 808 one
[23:49] <OZ1SKY_Brian> but not the one i was talking about :-)
[23:49] <OZ1SKY_Brian> was this one i was looking at http://www.youtube.com/watch?feature=player_embedded&v=sSg-8ktRq4U#!
[23:50] <cstubbs_M6EDF> ahaha i see what you mean now
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[00:00] --- Sun Feb 24 2013