highaltitude.log.20101118

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[00:55] <Laurenceb> hmm just been putting logged data from atlas through fldigi
[00:55] <Laurenceb> its pretty poor
[00:55] <Laurenceb> prob getting order of mag low ber with octave script
[00:56] <Darkside> heh
[00:56] <Laurenceb> seems to be the stop/start bit edges
[00:56] <Laurenceb> screwing it over
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[00:57] <Laurenceb> i get about 50% of characters in my script
[00:57] <Laurenceb> but only one or two in fldigi
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[00:59] <Laurenceb> shows how bad the implimentatin is
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[01:08] <natrium42> laurenceb, what are you working on?
[01:09] <SpeedEvil> World Domination!
[01:10] <SpeedEvil> He's been working on getting logs from his SDR into fldigi
[01:10] <Laurenceb> done that
[01:11] <Laurenceb> Laurenceb> i get about 50% of characters in my script
[01:11] <Laurenceb> <Laurenceb> but only one or two in fldigi
[01:11] <SpeedEvil> ah
[01:11] <SpeedEvil> I have a stupid intermittent connection again.
[01:11] <SpeedEvil> The same 50%?
[01:12] <SpeedEvil> or 1 or two
[01:12] <SpeedEvil> Have you tried analysing a strong carrier, to see if you're getting skips?
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[01:13] <juxta> heya natrium42
[01:13] <Laurenceb> it seems to be ok if i use logged data converted to wav
[01:14] <natrium42> <SpeedEvil> World Domination! <-- besides that :P
[01:14] <natrium42> hi juxta
[01:14] <Laurenceb> but the start stop bt edge based sync makes it screwy
[01:14] <natrium42> laurenceb, you're implementing sdr?
[01:14] <SpeedEvil> ah
[01:14] <juxta> how are things?
[01:15] <Laurenceb> natrium42: yes
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[01:24] <natrium42> juxta, good
[01:24] <natrium42> juxta, how did offline tracker do?
[01:24] <natrium42> err, predictor that is
[01:24] <juxta> really well
[01:24] <juxta> i was going to let you know your atmo model worked a treat
[01:25] <juxta> in descent the predictions were really accurate
[01:25] <juxta> copying from an email:
[01:25] <juxta> * 17km - 10km altitude: within 5km of actual landing site
[01:25] <juxta> * 10km - 5km altitude: within 2km of actual landing site
[01:25] <juxta> * < 5km altitude: within 1km of actual landing site
[01:25] <natrium42> not mine, i just pulled it from somewhere :P
[01:25] <natrium42> oh neat
[01:26] <natrium42> we really need to add error estimation
[01:26] <natrium42> brb food
[01:26] <juxta> if i discard outliers then it was even better
[01:26] <juxta> (and I was rounding calculated asc rates etc to 1 decimal place too)
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[02:34] <Darkside> hey juxta
[02:35] <juxta> hey Darkside
[02:36] <Darkside> we reckon we can fly a beagleboard :P
[02:36] <Darkside> it will mean i could do SSTV from the balloon
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[04:12] <shenki> yo
[04:12] <Darkside> juxta: you there?
[04:12] <shenki> juxta: im bored! wanna see if i can get some boards made up
[04:12] <Darkside> send us the board design, and we might be able to get somethignd made after all
[04:12] <Darkside> bah
[04:12] <juxta> ooh
[04:12] <juxta> okay
[04:12] <juxta> PDF okay?
[04:12] <shenki> so fill me in; we want a few single-sided PCBs made up?
[04:13] <Darkside> juxta: hmmmm
[04:13] <Darkside> can you send eagle files?
[04:13] <Darkside> we can export to something
[04:13] <juxta> sure
[04:13] <juxta> or i can make gerbers
[04:13] <juxta> and send those
[04:13] <Darkside> send eagle
[04:13] <Darkside> then we can convert to whatever it needs
[04:13] <Darkside> and we'll keep it confidential ofc
[04:13] <juxta> haha
[04:13] <Darkside> is there anything yoiu need changed on the board before making it up?
[04:13] <juxta> top secret design here
[04:14] <Darkside> haha
[04:15] <Darkside> i think we miht be able to get a board doen :P
[04:15] <Darkside> i won't be able to really, i'll be busy all tomorrow :(
[04:15] <Darkside> but joel is bored
[04:15] <Darkside> and has finished his degree
[04:15] <Darkside> so he has NO EXCUSES
[04:15] <shenki> \o/
[04:15] Action: shenki wants a USRP to play with
[04:15] <Darkside> haha
[04:15] <Darkside> yes so do i
[04:15] <Darkside> but i have ONE MORE exam
[04:17] <juxta> i've emailed it over
[04:17] <juxta> i was just getting ready to etch one here
[04:17] <juxta> but if you can do it that'll save some time :D
[04:18] <shenki> i'll go talk to danny now
[04:18] <juxta> awesome, thanks shenki :)
[04:19] <juxta> Darkside, about to put a HD hero + backup battery into the freezer
[04:20] <Darkside> hahahahahahahaha
[04:20] <Darkside> insulated?
[04:21] <juxta> no
[04:21] <Darkside> haha
[04:21] <Darkside> ok gonna go now
[04:22] <juxta> ok no worries
[04:22] <juxta> shenki, let me know how you go, if no luck I'd better get started etching one asap :)
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[04:56] <shenki> juxta: so we tried exporting a gerber file, but the CNC software didn't like it
[04:57] <juxta> :(
[04:57] <shenki> juxta: danny will experiment , might have to import it into altium so that he can export the right kind of gerber
[04:57] <shenki> he was confident he'd get it working by tomorrow
[05:04] <juxta> alright, no worries
[05:04] <juxta> thanks for that shenki
[05:04] <shenki> no worries, sorry it wasn't better news
[05:04] <juxta> thats okay, worst case scenario I just etch another one here ;p
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[09:08] <m1x10> Good morning!
[09:08] Action: m1x10 is super extreme happy
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[09:09] <m1x10> They moved moved me on a mountain camp near my city which has hosts the HAWK missiles
[09:10] <m1x10> Thats extremely fucking great
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[10:06] <m1x10> ;
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[12:50] <Laurenceb_> http://www.filedump.net/dumped/895157eafd9129e23114dee7de030cd31753961290084603.pdf
[12:51] <SpeedEvil> That has to be done.
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[12:52] <SpeedEvil> Even if only for the word plethysymographic.
[12:53] <SpeedEvil> There is, unfortunately, a killer app.
[12:53] <SpeedEvil> Advertising on mobiles.
[12:53] <SpeedEvil> How much would advertisers pay if they could get heartrate data of their target audience?
[12:54] <Laurenceb_> we tried briefly to use a tele-lens (2x) in
[12:54] <Laurenceb_> combination with one of our digital cameras. At a distance of 11 m between the camera and
[12:54] <Laurenceb_> subject, the signal contained more noise than the signals in Fig. 1 but the fundamental HR
[12:54] <Laurenceb_> frequency could still be identified very clearly for relatively short time windows of 10s. Using
[12:54] <Laurenceb_> movie camera’s with stronger optical zoom options and higher pixel definitions, we expect to measure HR (and possibly RR) at greater distances than 11 m.
[12:54] <Laurenceb_> oops
[12:55] <Laurenceb_> thats insane
[12:55] <SpeedEvil> rr?
[12:55] <SpeedEvil> oh
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[12:55] <Laurenceb_> i wonder if they used chdk...
[12:55] <SpeedEvil> well - rr is probably measurable through physical modeling.
[12:57] <SpeedEvil> You'd need to for advertisers avoid other confounding sources of HR changes. http://www.wired.com/gadgetlab/2009/07/girl-falls-into-manhole-while-texting-parents-sue/
[12:58] <Laurenceb_> lol
[12:59] <Laurenceb_> i was thinking for things like airport cctv
[12:59] <Laurenceb_> and other "security" applications
[13:00] Action: Laurenceb_ wonders if you could do it with a telescope
[13:01] <Laurenceb_> wonder if you had really fast frame rate - maybe you could do audio of someones neck in similar fashion
[13:01] <SpeedEvil> I'm sure telescopophiles do regularly.
[13:02] <SpeedEvil> You mean for speech?
[13:02] <Laurenceb_> yes
[13:02] <SpeedEvil> Lipreading.
[13:02] <Laurenceb_> true
[13:02] <SpeedEvil> Hmm
[13:02] <SpeedEvil> I wonder if that might be computationally easier than speech recognition.
[13:03] <SpeedEvil> Especially if you use both
[13:03] <Laurenceb_> probably yes, but you need a really fast camera
[13:03] <Laurenceb_> and noise might kill it
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[13:04] <SpeedEvil> umm - why?
[13:04] <Laurenceb_> 8k frames per second
[13:04] <SpeedEvil> Oh - for the larynx.
[13:04] <Laurenceb_> yes
[13:04] <SpeedEvil> I was meaning lipreading with sound added
[13:05] <Laurenceb_> huh? why do you need to lipread if you have sound
[13:05] <SpeedEvil> Presumably adding lipreading would reduce the error rate somewhat.
[13:05] <SpeedEvil> Sort of like a kalman filter idea.
[13:05] <Laurenceb_> ah
[13:06] <Laurenceb_> laser speckle microphone is probably the way to go
[13:07] <SpeedEvil> yeah.
[13:07] <SpeedEvil> I was playing with my new 50MW laser yesterday. Awesome speckles.
[13:07] <SpeedEvil> err
[13:07] <SpeedEvil> m
[13:08] <SpeedEvil> green, for replacement of a 1mW red in my laser level.
[13:08] <SpeedEvil> (with dimmer switch - 5mW normal, 50 with line)
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[16:17] <GW8RAK> Does anyone know why the balloon in California this afternoon is staying at constant altitude please? How is it controlled?
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[17:09] <NigeySWales> meh
[17:09] <NigeySWales> like i didnt get soaked :(
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[18:21] <earthshine> GW8RAK: Ballast tanks probably
[18:46] <fsphil> 70cm tracking of another kind: http://www.southgatearc.org/news/november2010/nanosail_d_launch.htm
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[18:58] <Lunar_Lander> hello
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[19:16] <mixio> http://www.on8rth.be/wp-content/uploads/2010/11/2010-11-17-22.41.03.jpg
[19:17] <mixio> http://www.on8rth.be/wp-content/uploads/2010/11/2010-11-17-22.41.30.jpg
[19:17] <mixio> http://www.on8rth.be/wp-content/uploads/2010/11/2010-11-17-22.41.47.jpg
[19:17] <mixio> my first flight system !
[19:17] <Lunar_Lander> hi mixio!
[19:17] <Lunar_Lander> first balloon from belgium :)?
[19:17] <mixio> I don't know electronics and I made it !
[19:17] <mixio> hi Lunar_Lander
[19:18] <mixio> why belgium?
[19:18] <Lunar_Lander> check the URL
[19:18] <Lunar_Lander> :)
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[19:19] <mixio> yes, I send them to a belgium guy
[19:19] <mixio> in order to do the soldering for me
[19:20] <mixio> ah Im so happy
[19:21] <Lunar_Lander> ah
[19:21] <Lunar_Lander> :)
[19:25] <mixio> Lunar_Lander they moved me near my home
[19:25] <Lunar_Lander> ah
[19:25] <Lunar_Lander> why did they move from B to GR?
[19:25] <mixio> lol
[19:25] <mixio> I mean
[19:25] <mixio> Army moved me near my home
[19:25] <Lunar_Lander> ah
[19:25] <mixio> I was near athens
[19:25] <Lunar_Lander> yeah
[19:25] <mixio> HAWK missisle operation unit
[19:25] <Lunar_Lander> cool
[19:26] <mixio> but they wont let me launch one :(
[19:26] <Lunar_Lander> yeah
[19:26] <mixio> greece got no money to experiment missisles!
[19:26] <Lunar_Lander> they don't know what opportunities they loose
[19:26] <mixio> ahahah
[19:26] <Lunar_Lander> exchange the tracking system and the warhead with instruments
[19:27] <mixio> lol
[19:27] <mixio> Ill flight a balloon
[19:27] <Lunar_Lander> I know
[19:27] <Lunar_Lander> :)
[19:27] <mixio> haha
[19:27] <mixio> I mean I will place the warhead with the payload
[19:27] <Lunar_Lander> yeah
[19:27] <mixio> replace*
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[19:30] <Lunar_Lander> on TV they showed that greek army has hovercrafts because of the many islands
[19:31] <m1x10> on TV they showed that greece is collapsing :)
[19:31] <m1x10> 600-700 imigrants pass our borders from turkey
[19:31] <Lunar_Lander> oh
[19:31] <m1x10> and we cant do something
[19:31] <m1x10> every day
[19:31] <m1x10> and they move to rest europe
[19:32] <Lunar_Lander> yes
[19:32] <Lunar_Lander> SHIT!
[19:32] <Lunar_Lander> xD
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[19:32] <m1x10> ...
[19:32] <m1x10> pakistans, afganistans mostly
[19:33] <Lunar_Lander> yea
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[19:58] <Lunar_Lander> I got one important question today
[19:58] <Lunar_Lander> how do you tie the balloon off properly so that the load line will hold to it?
[19:59] <Randomskk> okay, so the balloon is still on the neck from the filler
[19:59] <Randomskk> you've just finished filling
[19:59] <Randomskk> use a cable tie to tie the neck tight, above the fillter hose
[19:59] <Lunar_Lander> yes
[19:59] <Randomskk> pull the neck off while holding tighly onto it, then put another cable tie or two on
[19:59] <Randomskk> duct tape over the cable ties too
[19:59] <Lunar_Lander> yes
[20:00] <Randomskk> then take the neck and loop the bottom around, and cable tie the end back to itself higher up - so you form a loop of the neck material
[20:00] <Randomskk> then put the load line through that loop
[20:00] <Lunar_Lander> ah
[20:00] <Lunar_Lander> thanks :)
[20:00] <Randomskk> more cable ties hold everything in place and duct tape over them to make sure they can't accidentally poke the balloon or such
[20:00] <Lunar_Lander> yes
[20:00] <Randomskk> (cut the ends off as short as you can)
[20:00] <Lunar_Lander> yeah
[20:01] <Lunar_Lander> thanks for the instructions :)
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[20:03] <Randomskk> http://www.ukhas.org.uk/guides:sealing_the_balloon says much the same thing
[20:04] <Lunar_Lander> ah thank you
[20:04] <Lunar_Lander> :)
[20:04] <laurence__> delay locked loops are confusing to tune :-/
[20:05] Nick change: laurence__ -> Laurenceb
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[20:05] <Randomskk> ugh. all my free time right now is in a few hours at the end of long days
[20:05] <Randomskk> can't seem to get anything really done beyond course work
[20:06] <Laurenceb> heh
[20:06] <Laurenceb> im trying to make rtty work in octave...
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[20:06] <Randomskk> wanna get PCBs for the latest revision of my motor controller designed but requires making parts in kicad
[20:06] <Laurenceb> not sure if this is a waste of time as psk seems sensible
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[20:06] <Randomskk> how were you planning to psk an ntx2?
[20:07] <Laurenceb> short pulses
[20:07] <Laurenceb> to shift the phase over
[20:07] <Randomskk> short pulses on top of a dc waveform?
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[20:08] <Laurenceb> dc level
[20:08] <Laurenceb> yes
[20:08] <Randomskk> and receive in ssb still?
[20:09] <Randomskk> or would you try to psk the 434 carrier?
[20:09] <Laurenceb> yes
[20:09] <Randomskk> can your sdr detect a phase shift in the 434 carrier?
[20:09] <Randomskk> I don't believe most ham radios would
[20:09] <Laurenceb> dc into the ntx2, then use a timer on the avr to shift voltage level up down
[20:09] <Laurenceb> no problem
[20:10] <Laurenceb> and any ssb radio would work
[20:10] <Randomskk> oh, were you answering yes to receiving in ssb or to psk the 434 carrier? (or both?)
[20:10] <Laurenceb> both
[20:11] <Randomskk> I see
[20:11] <Randomskk> are you sure that's the same thing?
[20:11] <Laurenceb> yes
[20:11] <Randomskk> I tried simulating the effect of a short pulse before a return to normal frequency in octave but couldn't get it to do a phase shift to the ssb receiver (or at all)
[20:11] <Laurenceb> audio out of ssb is just a slice of 434mhz spectrum
[20:11] <Randomskk> yes
[20:12] <Randomskk> how do you lock on to the phase of the 434 carrier? or would you just phase shift at any point and ignore the harmonics?
[20:12] <Randomskk> usually you try to do the shift at zeroes of the shifted waveform
[20:12] <Randomskk> but usually the shifted waveform would be at audio frequencies rather than the carrier frequency aiui
[20:13] <Laurenceb> multiply by a local oscillator
[20:13] <Laurenceb> then do time bins one symbol long
[20:13] <Laurenceb> do average phase in each of those bins
[20:14] <Laurenceb> look at phase shift inbetween each bin to get the bits
[20:14] <Laurenceb> need a fll to shift the local oscillator to track the carrier, and a dll to track the bit edges
[20:15] <Randomskk> hmm okay
[20:15] <Laurenceb> http://i.imgur.com/GsEIT.png
[20:16] <Laurenceb> ^ dll experiments with atlas packets
[20:16] <Laurenceb> the blue line is integrated dll output
[20:17] <Laurenceb> - dll discriminator output
[20:17] <Laurenceb> squares are after i added feedback to correct the bit slicer
[20:18] <Laurenceb> its outperforming fldigi by an order of magnitude for BER
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[20:18] <Randomskk> nice
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[20:20] <Laurenceb> annoyingly i was having to readjust that dodgey yagi by hand several times
[20:20] <Laurenceb> so theres sections of total noise
[20:21] <Laurenceb> i was looking for an lna eval board or something
[20:21] <Laurenceb> can find anything :-/
[20:22] <Laurenceb> maybe hack a gps active ant... ?
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[20:23] <Laurenceb> $&ATLAS,198,17:1x:45,53.0
[20:23] <Laurenceb> not bad - the ic7000 + trackatron was screwed at that point
[20:24] <Randomskk> nice
[20:24] <Randomskk> well, the ic7000 and trackatron and fldigi :P
[20:25] <Laurenceb> oh i worked out how to fix fldig to read wav streams
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[20:25] <Laurenceb> just fudge the nanosleep
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[20:28] <Laurenceb> http://i.imgur.com/1Myln.png
[20:28] <Laurenceb> dALDs,09,3";17;43,}1'071,,6368,5rq4R)9: 306A!
[20:28] <Laurenceb> from the start of that waterfall
[20:45] <Laurenceb> fldigi gets one or two characters from that at most
[20:46] <Laurenceb> i still havent implimented a fll - the temperature control is really nice but there are short term shifts of +-30hz or so
[20:46] <Laurenceb> fldigi benifits from having the afc turned on, so im guessing performance should improve with fll
[20:46] <Laurenceb> brb
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[21:01] <SpeedEvil> :)
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[21:03] <Dave-M0MYA> evening
[21:04] <jonsowman> hi Dave-M0MYA
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[21:04] Action: Dave-M0MYA is searching for the female connectors (inline type) that mate with 0.1" pin headers. Does anyone know the actual name of these things before the Farnell website causes me to tear my hair out? =)
[21:04] <Dave-M0MYA> ello jonsowman
[21:05] <jonsowman> the Farnell site causes hear-tearing-out even if you know what you're looking for
[21:05] <jonsowman> Dave-M0MYA: these things? http://gravitech.us/Components/8Fx1L-254mm/8Fx1L-254mm_3R.jpg
[21:07] <Dave-M0MYA> if I could *really* have my choice, then I'd have the crimpy/solery ones, but I'd be quite happy to solder to those
[21:07] <natrium42> Dave-M0MYA: have you tried okcupid?
[21:07] <Dave-M0MYA> okcupid?
[21:08] <Dave-M0MYA> glad I didn't go for a google "I'm feeling lucky": OkCupid | Free Online Dating
[21:09] <natrium42> :D
[21:09] <jonsowman> lol
[21:09] <Dave-M0MYA> :D
[21:09] <Darkside> natrium42: were you hoping he'd find you on there?
[21:09] <Darkside> :P
[21:10] <natrium42> lol
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[21:11] <Dave-M0MYA> something tells me that natrium42 is not a soft-jawed, feather haired hottie that digs high altitude balloons and radio hams =)
[21:11] <fsphil> * Dave-M0MYA is searching for the female
[21:11] <fsphil> yea, me too
[21:12] <Dave-M0MYA> natch - why else would you be sat in an an IRC chan concerning HABing at gone 9 o clock in the evening =D
[21:12] <natrium42> haha dave
[21:12] <Dave-M0MYA> I already refer to my balloon as a "her" ;-)
[21:12] Action: jonsowman is worries
[21:12] <jonsowman> *d
[21:12] <Dave-M0MYA> anyyywwaaayyyyyyy! those connectors, any ideas?
[21:13] <fsphil> lol
[21:13] <jonsowman> I'll have a search
[21:13] <natrium42> Dave-M0MYA: so 0.1 inch headers?
[21:13] <Dave-M0MYA> yup
[21:14] <natrium42> digikey has lots
[21:14] <Dave-M0MYA> I am after farnell because IO'm piggybacking an order NigeySWales is putting in
[21:17] <Dave-M0MYA> I managed to get the strips of male connectors from maplin for silly money, but so far sockets are proving elusive. I did find some PCB mount ones, but they dont offer and strain relief
[21:17] Action: Dave-M0MYA values strain relief in his female connectors =)
[21:17] <fsphil> rapid have a good range of 0.1 headers and plugs ,, but that doesn't help you :p
[21:18] <Dave-M0MYA> all noted just in case farnell does not work out :D
[21:19] <SpeedEvil> Dave-M0MYA: I2C connectors
[21:19] <SpeedEvil> Dave-M0MYA: err
[21:19] <jonsowman> Dave-M0MYA: I think your section is
[21:19] <SpeedEvil> IDC
[21:19] <SpeedEvil> Dave-M0MYA: and solder to the wires
[21:19] <jonsowman> Connectors > PC Board > Board-To-Board
[21:19] <jonsowman> on Farnell
[21:20] <jonsowman> then 2.54mm pitch spacing in the parametric search, and connector type as "board-to-board"
[21:22] <fsphil> heh, exactly five minutes after mentioning rapid in here, they send me an email. suspicious :)
[21:23] <jonsowman> oh maybe not
[21:23] <jonsowman> there are no female ones in there...
[21:23] <jonsowman> :\
[21:23] <Dave-M0MYA> :\
[21:23] <natrium42> /:
[21:24] <jonsowman> http://uk.farnell.com/samtec/ssa-114-s-g/receptacle-2-54mm-pcb-14way/dp/1668228
[21:24] <jonsowman> http://uk.farnell.com/samtec/ssw-112-02-g-s/receptacle-2-54mm-single-12way/dp/1668382
[21:24] <Dave-M0MYA> there are some sockets in there, its just sifting them out of the thousands of results =)
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[21:24] <Dave-M0MYA> evening NigeySWales
[21:24] <NigeySWales> evening Dave-M0MYA !
[21:25] <Dave-M0MYA> jonsowman, yeah, thats getting close
[21:25] <jonsowman> Dave-M0MYA: hehe
[21:25] <Dave-M0MYA> I've even managed to find the crimp on pins that go into the little locking plastic housing, but I can't find the housings :(
[21:26] Action: Dave-M0MYA goes mental
[21:26] <jonsowman> frustrating isnt't it
[21:26] <jonsowman> I'm still looking
[21:27] <jonsowman> Dave-M0MYA: ideally, what size?
[21:28] <jonsowman> 1x12, 1x24 ... ?
[21:28] <Dave-M0MYA> 1off 1x2, 3off 3x1, 3off 4x1
[21:29] <jonsowman> Dave-M0MYA: http://uk.farnell.com/harwin/m20-7820246/socket-pcb-0-1-2way/dp/7991916
[21:29] <jonsowman> ?
[21:30] <Dave-M0MYA> :D thats the ones I found a few hours ago - however, they are close enough to be useful
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[21:30] <NigeySWales> evening jonsowman
[21:31] <jonsowman> evening NigeySWales
[21:31] <Dave-M0MYA> The ones I want are basically the ones you get on servos, but without the little 1-way polarity lugs
[21:31] <jonsowman> Dave-M0MYA: that's the best I can find
[21:31] <jonsowman> I tend to go for the 1x24 or something and cut them
[21:31] <NigeySWales> can i get a lil help trying to work out what dam resistors maplin have flogged me? lol
[21:31] <Dave-M0MYA> thanks jonsowman, I appreciate the effort
[21:32] jcoxon (~jcoxon@cpc1-lanc4-0-0-cust720.3-3.cable.virginmedia.com) joined #highaltitude.
[21:32] <jonsowman> NigeySWales: go for it
[21:32] <jonsowman> hi james
[21:32] <jcoxon> hey
[21:32] <NigeySWales> multimeter set to 2k reading is .884 :|
[21:32] <NigeySWales> hey jcoxon
[21:32] <Lunar_Lander> hello NigeySWales
[21:32] <NigeySWales> hey lunar!
[21:33] <NigeySWales> jcoxon, did you get time to post that gps breakout ?
[21:33] <jonsowman> Dave-M0MYA: something like this is quite good, easily snappable into useful sizes
[21:33] <jonsowman> http://uk.farnell.com/samtec/ces-124-01-t-s/receptacle-2-54mm-single-24way/dp/1667527
[21:33] <Lunar_Lander> and hello jcoxon
[21:33] <jcoxon> NigeySWales, gosh no
[21:33] <jcoxon> saturday
[21:33] <NigeySWales> hehe no worries, i know you were busy with Atlas etc
[21:34] <jcoxon> more busy with work ;-p
[21:34] <NigeySWales> that to :p
[21:34] <NigeySWales> fsphil !!
[21:35] <jonsowman> NigeySWales: could be any number of things
[21:35] <jonsowman> are you measuring it out-of-circuit?
[21:36] <fsphil> g'day nige!
[21:36] <NigeySWales> yup jonsowman
[21:36] <Dave-M0MYA> jonsowman, they look promising. also - the penultimate link you posted had the crimp pins at the bottom and it specified the matching housings - now I'm spoiled for choise
[21:36] <NigeySWales> fsphil, have a guess how many of those resistors they had in stock today
[21:36] <fsphil> well it's a standard size, so none? :)
[21:37] <jonsowman> lol
[21:37] <jonsowman> Dave-M0MYA: hehe, well at least you have some choice
[21:37] <Dave-M0MYA> however, the snap off ones look like the more useful thing to keep in the junk box
[21:37] <NigeySWales> bingo, not a single resistor i needed, 5 diff sizes, bloody useless!
[21:37] <fsphil> yikes
[21:37] <Dave-M0MYA> man - my cup reneth over =D
[21:37] <fsphil> where was this NigeySWales?
[21:37] <jonsowman> Dave-M0MYA: yea they are useful for that
[21:37] <NigeySWales> maplin, both of them in cardiff, totally out of stock :@
[21:38] <jonsowman> buying exact size headers is annoying
[21:38] <jonsowman> and you never have the size you're after
[21:38] <jonsowman> snappable ones are the way forward
[21:38] <fsphil> aah -- I got a box full of resistors from maplin, they called it a lucky bag I think
[21:38] <fsphil> came with all different sizes
[21:38] <jonsowman> fsphil: I got one of those from ebay for about £3
[21:38] <fsphil> ooh even better
[21:38] <fsphil> man I keep forgetting about ebay
[21:39] <jonsowman> turned out to be a near-complete E12 series 0.25W
[21:39] <jonsowman> was rather pleased with that
[21:39] <Laurenceb> yo
[21:39] <NigeySWales> fsphil, thats what ive got here, lucky bag thing, just no idea what half of them are, using the multimeter to work it out.. or trying to
[21:39] <Laurenceb> for connectors go to toby.co.uk
[21:40] <fsphil> haha
[21:40] <jonsowman> Laurenceb: Dave-M0MYA has reasons for buying from Farnell
[21:40] <jonsowman> NigeySWales: use the colour codes and then verify with a DMM
[21:40] <NigeySWales> im trying, its hard to find a match for these blue ones
[21:41] <jonsowman> :)
[21:41] <NigeySWales> most of the online calcs are for 4 band, these are mainly 5
[21:42] <jonsowman> it's just one extra digit
[21:42] <jonsowman> digit1, digit2, digit3, multiplier, tolerance
[21:42] Action: Dave-M0MYA got a couple of large freezer bags full of resistors at a radio club junksale for 50p a bag the other day but theres just too many to sort into some sort of order!
[21:43] <jcoxon> ping Upu
[21:44] <Upu> pong
[21:44] <jcoxon> can i have your address to send you a qsl card
[21:44] <Upu> am I going to look like a nub if I ask what a QSL card is ?
[21:45] <jcoxon> hehe
[21:45] <jcoxon> qsl cards are what people send you if you make an amatuer radio contact
[21:45] <Upu> oh :)
[21:45] <jcoxon> i've started sending htem to pepople who rx my payloads
[21:45] <Upu> sure I guess :)
[21:45] <jcoxon> you managed to get 8 strings into the tracker
[21:46] <Dave-M0MYA> jcoxon, thats a really nice touch
[21:46] <Upu> yeah amusingly the aerial kept falling over in the wind, need a better mount :)
[21:46] <Upu> cheers :)
[21:46] <Upu> address PM'd
[21:48] <natrium42> jcoxon: what about me? :(
[21:48] <natrium42> qsl card + darwin coin
[21:49] <jcoxon> natrium42, i don't see your strings in the tracker!
[21:49] <natrium42> :'(
[21:49] <jcoxon> better make a bigger antenna!
[21:49] <jonsowman> aw
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[21:51] <NigeySWales> jonsowman, do you need anything from farnell? ive still 12quid to make up before i can get the order through lol
[21:51] <Upu> I learnt alot anyway just from doing that
[21:51] <jonsowman> hehe no I'm fine thank you
[21:51] <jonsowman> not in need of anything at the moment
[21:52] <jonsowman> thanks for the offer though
[21:52] <NigeySWales> im not ordering 12 quid of resistors, that's like, 10,000 lmao
[21:52] <jonsowman> hzhz
[21:52] <jonsowman> s/z/a/
[21:52] <NigeySWales> jcoxon, you need anything?
[21:53] <jcoxon> NigeySWales, i'm good thanks
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[22:18] <fsphil> hmm, I can't get dl-fldigi to start. crashing at sem_init()
[22:19] <NigeySWales> take your right foot.. lift off the floor, and kick the pc ;)
[22:19] <fsphil> mmm.. tempting ;)
[22:20] <NigeySWales> lol
[22:21] <Lunar_Lander> lol
[22:28] <Laurenceb> SpeedEvil: apparently mit media lab have got that video heartrate thing working with face tracking/recognition
[22:28] <Laurenceb> but they published in ieee - cant view the pdf here
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[22:30] <fsphil> anyone know if the launch is still happening tomorrow?
[22:30] <Dave-M0MYA> launch?
[22:30] <jonsowman> fsphil: which?
[22:31] <Laurenceb> lunch?
[22:31] <fsphil> -> http://randomsolutions.co.uk/BALLOONRELEASE/BALLOONRELEASES.HTM
[22:31] <jonsowman> nope it isnt
[22:31] <jonsowman> saturday from EARS last I heard
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[22:33] <fsphil> ah, good job
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[23:07] <Lunar_Lander> good night
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[00:00] --- Fri Nov 19 2010