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[00:47] <rharrison_htc> Boo
[00:47] <SpeedEvil> m
[00:48] <rharrison_htc> IRC seems to be working
[00:49] <SpeedEvil> Yup.
[00:50] <rharrison_htc> Just got a new phone :-)
[00:50] <SpeedEvil> :)
[00:51] <SpeedEvil> I would guess from the name an iphone.
[00:51] <rharrison_htc> ? Android
[00:52] <SpeedEvil> :)
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[05:47] <juxta> ping earthshine
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[07:51] #highaltitude: mode change '+o jcoxon' by ChanServ!ChanServ@services.
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[07:51] Topic changed on #highaltitude by jcoxon!jcoxon@host86-161-48-136.range86-161.btcentralplus.com: Welcome to #highaltitude - discuss anything to do with high altitude projects (balloons, gliders, etc) www.ukhas.org.uk,
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[08:00] <jcoxon> morning all
[08:00] <junderwood> morning
[08:00] <jcoxon> looking forward to weds
[08:01] <junderwood> :)
[08:01] <junderwood> Are you going to track?
[08:01] <jcoxon> hope to
[08:01] <junderwood> shouldn't go too far
[08:01] <jcoxon> though depends on timing - have to do stuff in the afternoon
[08:02] <junderwood> hoping for 11:00 am BST launch
[08:03] <jcoxon> okay cool
[08:09] <jcoxon> okay i've put you onto the upcoming launch section in the wiki
[08:12] <junderwood> Ta. I'd forgotten about that.
[08:12] <junderwood> I'll try to remember to put up a page about the payload
[08:12] <jcoxon> yeah if you make it in the 'launch' section as such
[08:13] <jcoxon> so [[launch:300610helioss|HelioSS]]
[08:13] <jcoxon> in an attempt to keep it organised.
[08:15] <jcoxon> ping juxta
[08:15] <juxta> hey jcoxon
[08:15] <juxta> how's things?
[08:15] <jcoxon> good thanks
[08:16] <jcoxon> cool about the ubx code
[08:16] <juxta> :)
[08:16] <jcoxon> is there really not an eeprom onboard
[08:16] <juxta> not on the FSA03, no
[08:16] <jcoxon> i'm sure that when i set mine to airbourne it maintained it
[08:16] <jcoxon> as in when i checked it again it was still set to airbourne
[08:16] <juxta> only way to hold the settings is to buffer the ram with a backup battery
[08:17] <jcoxon> fair enough
[08:17] <juxta> (if you have backup battery then all is well unless it goes flat/is removed)
[08:17] <jcoxon> best to redo it every time anyway
[08:17] <jcoxon> then you can be sure
[08:17] <junderwood> I prefer a cold start as well - known state
[08:17] <juxta> I emailed Falcom to ask.. as they list it as having '384kb ROM' - i thought perhaps they meant flash rom or something
[08:18] <jcoxon> i also have the nmea commands to turn off the strings rather then the ubx
[08:18] <jcoxon> so will add them to that page as well
[08:18] <juxta> oh yeah - I saw you could do that in NMEA, but was doing the rest in UBX, so I figured I'd stick with the same :)
[08:18] <juxta> I'm having trouble getting on of my FSA03's to lock though - it's been sitting outside for ages now and is still tracking 0 sats
[08:19] <jcoxon> yeah they still do that - and then suddenly they'll get all 3 sats
[08:19] <juxta> hm
[08:19] <juxta> ages = over half an hour
[08:19] <jcoxon> i'd move it somewhere else and reboot it
[08:19] <juxta> will give it a shot. weather sucks, so I'll find some tupperware to put it in first :)
[08:20] <jcoxon> hehe
[08:20] <jcoxon> the weather might be the issue
[08:20] <jcoxon> on that note - glorious weather here
[08:20] <jcoxon> :-)
[08:20] <juxta> haha
[08:20] <juxta> I dont think I'll ever make a board without backup battery again
[08:21] <juxta> the TTFF in less than ideal conditions is not much fun
[08:22] <jcoxon> juxta, also my gps doesn't default to 38400, worked straight off at 9600
[08:23] <jcoxon> but i'll check that...
[08:24] <jcoxon> what do people think - should i do a beginners guide to a payload - so how to do gps+arduino+radio ?
[08:24] <jcoxon> or does that just make it too easy
[08:25] <juxta> jcoxon: i have a few FSA03's - the ones I bought from earthshine default to 38400, the ones I bought from esawdust default to 9600 - not sure what the go is th there
[08:25] <juxta> is there*
[08:26] <jcoxon> strange
[08:27] <juxta> also, re the guide: i'm thinking about it too, but then it'll probably result in large amounts of help requests, rather than inspiring people to have a crack & work things out themselves
[08:27] <juxta> I started writing this: http://projecthorus.org/?page_id=902
[08:27] <jcoxon> sort of also need to have a little technical barrier
[08:28] <juxta> also - moved the pesky fsa03 to the roof of my car in tupperware, coldbooted it, will give it 15 mins before pulling my hair out again :)
[08:29] <jcoxon> thats a nice board
[08:30] <juxta> cheers - fabric dye did a good job of making it pretty
[08:30] <jcoxon> hehe
[08:30] <jcoxon> after this next mission am going to need some new boards...
[08:31] <juxta> ballasthalo you mean?
[08:31] <jcoxon> yeah
[08:31] <jcoxon> finished the payload enclosure last night
[08:31] <juxta> unless you get it back again :D
[08:31] <jcoxon> indeed
[08:31] <jcoxon> who knows
[08:31] <juxta> I tried to find some of that 'radiator insulation' I saw in recent photos
[08:31] <jcoxon> oh yeah cusf magic insulation
[08:32] <juxta> can't find it anywhere here
[08:32] <juxta> cloest I got was this:
[08:32] <juxta> http://www.faqs.org/photo-dict/photofiles/list/2098/2745car_sun_shade.jpg
[08:32] <jcoxon> best ask edmoore
[08:33] <jcoxon> juxta, any thoughts on hellschriber from a ntx2?
[08:33] <juxta> radiators like you have in the UK are pretty much non-existant here
[08:33] <jcoxon> yeah i can image
[08:34] <juxta> I dont know jcoxon - I had a quick read of it on wikipedia, seems kind of novel - does it give a real advantage over rtty?
[08:35] <juxta> still no lock on that gps. grr :(
[08:35] <jcoxon> oh no advantage its more instead of morse
[08:35] <jcoxon> but you can read it from the waterfall
[08:35] <jcoxon> :-
[08:35] <jcoxon> p
[08:36] <juxta> hehe, that is cool
[08:36] <jcoxon> just i've got my old beacon from BH4
[08:36] <jcoxon> would be cool to add a new feature as such
[08:37] <juxta> shame you guys can't use APRS airborne :(
[08:37] <jcoxon> pah thats just no fun though
[08:38] <juxta> heh, would be handy though when you get blown internationally
[08:40] <juxta> hm, just plugged in my payload and windows decided to interpret the serial output as mouse movements
[08:40] <jcoxon> eek windows
[08:41] <juxta> pretty much sums it up
[08:42] <jcoxon> juxta, i think we should start an amateur radio library for the arduino
[08:42] <jcoxon> roll our rtty, cw code into it
[08:42] <juxta> good idea
[08:43] <juxta> though I think the arduino haters won't be impressed :)
[08:43] <jcoxon> pah, they all come round to it in the end
[08:43] <jcoxon> no one can deny that its been a good thing for the community
[08:44] <juxta> no lock on that gps by the way
[08:44] <jcoxon> hmmm
[08:45] <juxta> it's pretty cloudy, but I wouldnt have though that'd be too much of an issue
[08:46] <jcoxon> check with another gps module?
[08:46] <jcoxon> a non ublox
[08:46] <juxta> they seem to get lock OK
[08:46] <juxta> my other ublox modules (with backup battery hence warm start) get lock too
[08:47] <juxta> but even those were being fiddly today - sat them next to a big upstairs window with a reasonable sky view for a few hours, wasnt getting lock there
[08:51] <jcoxon> gps modules are inheriently fickle
[08:54] <juxta> indeed - I suspect it's probably related to the poor weather
[08:55] <juxta> though I just coldbooted another ublox module and that's at least tracking 1 sat (indoors)
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[09:59] <jcoxon> any clever ideas of how to store a 7x5 grid
[09:59] <jcoxon> am working on feld-hell mode on my arduino
[09:59] <jcoxon> and each character is 7x5 eithe on or off
[10:04] <jcoxon> hmm actually its a 7x7 grid
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[10:25] <juxta> jcoxon: why not just a multidimensional array?
[10:48] <DanielRichman> 7x7 grid? mebe 7 progmem'd bytes?
[10:49] <DanielRichman> if it's just black and white
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[12:00] <timbobel> Moooooaarning all
[12:00] <timbobel> whats new on the balloon front
[12:01] <timbobel> steve has shipped 1200g+1500g's, so they're on their way. Now im only waiting for that NTX2 to be shipped :'(
[12:01] <timbobel> and i can only find friggin helium at those balloon places (where i think they just mix helium with air)
[12:01] <jcoxon> timbobel, party balloon He is fine
[12:02] <jcoxon> you don't need scientific grade
[12:02] <timbobel> yeah allright. still, i think im being scammed; might as well just get them from a gassupplied. i guess.
[12:03] <timbobel> i would kinda like to use hydrogen. but im a bit too scared for that i think
[12:03] <timbobel> "in case of a car crash, you needn't worry about being hurt. You will die."
[12:04] <timbobel> and i think, i havent found it yet, i cant find on the Wiki about mounting the balloon and mounting the parachutes?
[12:07] <juxta> jcoxon: I suspect that GPS module might actually be bad. Not having any luck getting it to lock at all, tried another FSA03 in exactly the same conditions and it got lock reasonably quickly. Annoying!
[12:13] <edmoore> jcoxon: hi
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[12:41] <timbobel> jcoxon: i ordered the FSA03 btw
[12:42] <edmoore> timbobel: where are you based?
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[12:58] <timbobel> NL
[12:58] <timbobel> lonely me
[12:59] <timbobel> i live near the dutch beaches, so next UK launch ill be taking my yagi and 817ND, and see if we can get some super longrange data
[12:59] <jcoxon> timbobel, great - we could do with some listeners in your direction
[13:00] <edmoore> timbobel: i think you could be incredibly useful in that location
[13:04] <timbobel> i was véry impressed with the spacenear.us website
[13:04] <timbobel> i need to get my phone to get my laptop to be on internet though. But from sunday ill be going to Mexico for 2.5 weeks
[13:08] <edmoore> there'll be a launch o wed
[13:09] <timbobel> next wednessday?
[13:09] <edmoore> this coming one
[13:09] <edmoore> from cambrdge
[13:09] <timbobel> time?
[13:09] <edmoore> heading your way
[13:09] <edmoore> hrm, 11:00ish? not 100% sure yet
[13:10] <timbobel> ppsh, i have to work on wednessday, and have not yet received my yagi, too bad
[13:11] Action: jcoxon likes symmetrical letters
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[13:12] <edmoore> HAIIAT HAI0 V
[13:12] <edmoore> the new lazy name for ballast halo 5
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[13:16] <timbobel> are you making a ballasthalo again?
[13:17] <jcoxon> yup
[13:19] <DanielRichman> hmm the alien2 pcb turned out as a bit of a mess :P http://github.com/danielrichman/alien/blob/master/alien2/eagle/alien2b.png
[13:19] <edmoore> that looks ok to me
[13:20] <edmoore> what is the upper left thing?
[13:20] <DanielRichman> NiM2 + SMA connector
[13:20] <edmoore> define
[13:20] <edmoore> also when you are finished with layout, make your signal tracks as wide as you can get away with - will make your pcb much more robust
[13:21] <DanielRichman> OK
[13:21] <edmoore> ah i c
[13:22] <DanielRichman> yeah I could make quite a few of these wider
[13:22] <edmoore> it really helps as we cycle the temps so much
[13:22] <edmoore> 30 to -60 and back
[13:22] <DanielRichman> indeed
[13:22] <edmoore> that would cause cracks on the edge of the tracks to propagate
[13:23] <edmoore> and obviously a thicker track helps mitigate that
[13:23] <edmoore> and you should see the edge of the tracks under a large magnification - they're pretty ragged
[13:24] <DanielRichman> I've never had the chance to look at thin traces like that; alien1 was designed to be bubble etched @ school so all the traces were huuge, .4
[13:28] <juxta> anybody have any ideas for a ublox 5 (fsa03) that refuses to get lock or track a single sat?
[13:28] <edmoore> how long has it been sitting?
[13:28] <DanielRichman> that ublox app has a full reset button somewhere
[13:29] <timbobel> juxta: have you tried putting it in open skies
[13:29] <juxta> yeah, I've tried open skies
[13:29] <juxta> it's been sitting for about half an hour in full view of the sky this time
[13:30] <timbobel> have you maybe put too much voltage on it
[13:30] <jcoxon> juxta, try ucenter?
[13:30] <juxta> but i've done multiple resets etc, checked it in u-center
[13:30] <edmoore> chill people
[13:30] <edmoore> gps almanac data can take 45 minutes to get a full copy if it's a completely cold start
[13:30] <edmoore> so just leave it completely alone for a good hour
[13:31] <juxta> another FSA03 right next to it gets lock from a cold boot within a few mins, this one is being a pain
[13:31] <edmoore> if that doesn't wrk, then start trying other things
[13:31] <juxta> edmoore: i left it overnight last night, haha
[13:31] <edmoore> oh ok, then start worrying
[13:32] <juxta> annoying thing is i already put a dob of epoxy on securing it to the board, 'cause it was working just fine the other day
[13:33] <timbobel> maybe that was the prob?
[13:33] <juxta> it does report tracking 2-3 sats when it's first powered up though, for about 2 seconds, and it's always the same sats
[13:33] <jcoxon> juxta, that might well be hte issue
[13:34] <juxta> timbobel: shouldnt be, the glue is on the plastic tab that protrudes into the PCB, not on the antenna or electrics
[13:36] <juxta> I can't remember if I had it working after I glued it, I dont think I tested
[13:41] <SpeedEvil> edmoore: 45?
[13:41] <SpeedEvil> edmoore: I thought it was on a 12.5 min cycle - hence around 15 tops
[13:42] <edmoore> it doesn't always get everything, even in 2 passes
[13:43] <juxta> heh, I just checked the contents of the almanac table in u-center - it seems it's got nothing at all
[13:44] <edmoore> antenna fail?
[13:45] <juxta> I guess so - it's not replaceable though, being the sarantel helix
[13:46] <juxta> i have heard they're prone to breaking where they connect to the board though
[13:47] <SpeedEvil> Local EMI?
[13:47] <SpeedEvil> Does a co-sited reciever get data?
[13:47] <SpeedEvil> Is the power supply nice and clean?
[13:54] <edmoore> maybe theres an imminent attack by the us on aus
[13:56] Nick change: brennen|out -> brennen
[14:02] <jcoxon> beacon complete
[14:04] <juxta> hehe
[14:04] <juxta> yes, another receiver does just fine, running from the same power source & same location
[14:04] <juxta> (same module too)
[14:11] <jcoxon> juxta, got Hellschreiber working
[14:12] <juxta> good work jcoxon :D
[14:12] <juxta> got a pic of the waterfall?
[14:12] <jcoxon> you can't actually read teh waterfall
[14:12] <jcoxon> instead you read the output
[14:14] <juxta> oh righto, I thought you meant it was actually visible in the waterfall
[14:14] <jcoxon> yeah initially thats what i thought as well
[14:15] <juxta> how are you doing it jcoxon? multiple tones with analog input to the ntx2?
[14:15] <jcoxon> basically you cycle through each pixel of a 7x5 character
[14:15] <jcoxon> and if its black then its on, if its white then its off
[14:15] <juxta> oh right
[14:15] <jcoxon> so you only need a single tone
[14:16] <juxta> yep
[14:16] <edmoore> OOK ftw
[14:16] <jcoxon> so my beacon now does morse and Feld-Hell alternating
[14:17] <juxta> hehe
[14:17] <jcoxon> http://github.com/jamescoxon/Atlas-Flight-Computer/blob/master/hellmorsebeacon/hellmorsebeacon.pde
[14:17] <juxta> the Hell should be good to confuse someone who doesn't recognise it :)
[14:18] <jcoxon> the timing is a little off - it results in everything being slightly slanted
[14:18] <jcoxon> will fix eventually
[14:19] <juxta> does fldigi decode it, or something else jcoxon?
[14:19] <jcoxon> yup
[14:19] <jcoxon> though we've missed it off the menu for dl-fldigi by mistake
[14:19] <jcoxon> will stick it back on in a bit
[14:19] <juxta> does it actually decode it as text, or as an image?
[14:20] <jcoxon> as an image
[14:20] <DanielRichman> the point of hell is that the human does the error correction, right?
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[14:20] <jcoxon> yeah
[14:21] <jcoxon> the brain is very good at reading it
[14:21] <DanielRichman> I haven't looked yet, but is there a place on the 'net with a good technical description of various modes? soon I'm going to have to start looking at programming different modes for this DAC
[14:23] <jcoxon> juxta, http://www.flickr.com/photos/jcoxon77/4741757883/
[14:23] <jcoxon> DanielRichman, not really
[14:23] <juxta> nice work jcoxon, I was just playing with it now too :)
[14:23] <jcoxon> i started t wikipedia and then worked from their
[14:23] <DanielRichman> ok
[14:31] <jcoxon> juxta, okay i've added the rest of the letters now
[14:32] <SpeedEvil> DanielRichman: The fldigi package has some basics info
[14:32] <SpeedEvil> the webpages I think I mean.
[14:32] <DanielRichman> ahh, OK
[14:32] <DanielRichman> I'll have a look, thank you
[14:34] <juxta> jcoxon: did you draw them out by hand to work them out?
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[14:42] <griffonbot> @apex_ii: flight computer programming started! see Documents dir for info http://github.com/mattbrejza/APEX/tree/master/Program/ #apexhab #ukhas [http://twitter.com/apex_ii/status/17252021139]
[14:52] <griffonbot> @apex_ii: Camera battery blanks fit perfectly, they just need the electrical wiring fitted and testing. #apexhab #ukhas [http://twitter.com/apex_ii/status/17252664933]
[14:52] <juxta> got the bad gps module off the board, pulled up a bunch of tracks in the process though, gah
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[15:44] <junderwood> edmoore, weather just keeps getting better for Wednesday. Current prediction doesn't even make Bury St Edmunds at 3 up, 33 burst
[16:05] <edmoore> cool
[16:05] <edmoore> looks like go then
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[17:38] <timbobel> mornin
[17:39] <timbobel> whooh balloons x2 in the house!
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[17:50] <SpeedEvil> :)
[18:08] <DanielRichman> edmoore, in the badger eagle library there's a pic of a badger to go on the silkscreen; it would appear to be made up of horizontal lines to create the B&W picture. Did you do this by hand or did you find some way to do it automatically?
[18:09] <edmoore> adobe illustrator
[18:11] <DanielRichman> ok
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[18:23] <juxta> hey timbobel, you around?
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[18:30] <timbobel> yes sir
[18:30] <timbobel> what's up terry
[18:31] <juxta> nothing much, I should get to bed as it's just gone 3am
[18:31] <juxta> but I got an email from someone else planning a launch in Holland
[18:31] <juxta> was just going to point him to your blog :)
[18:32] <griffonbot> @apex_ii: More work on the flight computer, regulators etc added http://bit.ly/dhvgZB #apexhab #ukhas [http://twitter.com/apex_ii/status/17267026589]
[18:32] <cuddykid> juxta, where you located? Australia?
[18:32] <juxta> cuddykid: yup
[18:32] <juxta> in Adelaide
[18:32] <cuddykid> juxta, ahh, nice! Would love to live over there when older!
[18:33] <juxta> it feels like the UK at the moment, it's raining & cold :)
[18:33] <timbobel> yeah you can point him to me
[18:33] <cuddykid> haha!
[18:35] <cuddykid> juxta, for once in a while its actually been nice and hot today! and the past few days! though clouded over now!
[18:36] <juxta> haha, so I hear - everyone has good weather right now but us
[18:36] <juxta> except for Iceland perhaps
[18:36] <juxta> I'd better get some sleep, night all
[18:38] <SpeedEvil> Raining hard now.
[18:38] <SpeedEvil> But it's been hot all day, and I just finished watering the lawn.
[18:38] <SpeedEvil> Ohwell.
[18:40] <cuddykid> haha, night juxta
[18:40] <juxta> I just realised I have to order cables before bed ;p
[18:46] <cuddykid> haha
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[19:27] <griffonbot> @apex_ii: Apex II Technical Guide Updated http://bit.ly/bQvSMg #apexhab #ukhas [http://twitter.com/apex_ii/status/17270372143]
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[19:33] <AlexBreton> evening
[19:33] <AlexBreton> we are designing a logo for ALIEN
[19:34] <AlexBreton> I have come up with this prelim sketch (ik it's trash, testing concept) - DanielRichman reckons it reminds him too much of the Icarus logo
[19:35] <jonsowman> lets see :)
[19:35] <AlexBreton> http://i185.photobucket.com/albums/x250/Alex1961/IMGalienlogo.jpg
[19:36] <jonsowman> like the idea
[19:36] <jonsowman> i see the point about the icarus logo
[19:36] <jcoxon> i wouldn't worry about the icarus logo
[19:36] <jcoxon> most balloon logos will have the horizon
[19:37] <AlexBreton> it's a recurring motif
[19:37] <jonsowman> true
[19:37] <jcoxon> alien needs to be green of coures
[19:39] <DanielRichman> in other news, http://imgur.com/RERd3.png
[19:40] <jonsowman> heh
[19:40] <AlexBreton> anyway just a sketch, neither of us are any good at ps to make a proper one
[19:41] <DanielRichman> the smiley faces on pcbs is somewhat of a school department tradition
[19:49] <jcoxon> interestingly 'decoding' morse in the feld-hell makes it very easy
[19:50] <jcoxon> as dits are thin lines while dash are thick lines
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[20:18] <DanielRichman> Copper pour: solid or hatched fill?
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[20:22] <edmoore> solid
[20:33] <jonsowman> hi edmoore
[20:33] <edmoore> hi
[20:49] <jonsowman> how are things
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[20:58] <edmoore> jonsowman: relaxing
[20:58] <jonsowman> :)
[20:58] <jonsowman> good good
[20:59] <edmoore> planning on doing absolutely nothing for a bit
[20:59] <edmoore> you?
[20:59] <jonsowman> working
[20:59] <jonsowman> it's good but tiring
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[21:00] <edmoore> what sort of stuff are you up to?
[21:00] <DanielRichman> The contents of my new eagle gfx library: http://imgur.com/EDAce.png . Which of the first two is better?
[21:00] <jonsowman> engine development
[21:00] <jonsowman> :)
[21:00] <edmoore> lol
[21:01] <jonsowman> good fun
[21:02] <edmoore> has adam started yet?
[21:02] <jonsowman> er thursday i believe
[21:02] <jonsowman> possibly weds
[21:06] <edmoore> cool
[21:06] <edmoore> i start mon
[21:06] <jonsowman> nice
[21:06] <jonsowman> where's that?
[21:06] <edmoore> cam
[21:07] <jonsowman> :)
[21:07] <edmoore> eng dept
[21:07] <jonsowman> I see
[21:09] <jonsowman> can fldigi be config'd to parse the custom data bit of the packet?
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[21:10] <jonsowman> i'm guessing not
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[21:35] <jonsowman> natrium42: ping
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[21:36] <jonsowman> :(
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[21:40] <fsphil> shouldn't be too difficult
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[22:02] <jonsowman> ed_M0TEK: is the GPS format in the UKHAS proto fixed length?
[22:02] <jonsowman> can you remember
[22:15] <ed_M0TEK> my irc isn't pinging sorry
[22:16] <ed_M0TEK> i don't think it's fixed no
[22:16] <ed_M0TEK> the standard isn't, the implementation might have limits i don't know
[22:17] <jonsowman> ok ta
[22:18] <jonsowman> also, is there an example of the fldigi flight xmls around?
[22:23] <DanielRichman> jonsowman, dl-fldigi can be configured to be fixed length or variable in the xml but currently it pays no attention to those tags
[22:23] Nick change: ed_M0TEK -> m0tek
[22:23] <DanielRichman> if you want the xmls I think you want, have a look in this dir http://robertharrison.org/listen/
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[22:32] Nick change: m0tek -> eroomde
[22:33] <jonsowman> DanielRichman: excellent, thanks
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[22:40] <DanielRichman> eroomde, a while ago you mentioned you once did domino via a DAC on a flight. Do you still have the code that did it?
[22:40] <eroomde> hrm
[22:40] <DanielRichman> would save some time piecing together various snippets of tech.info lying around on multiple websites
[22:40] <eroomde> well basically it was lifted from fldigi source
[22:40] <eroomde> with the specific putchar bit re-written appropriately
[22:41] <eroomde> but i will have a poke
[22:41] <DanielRichman> thanks. I was having a poke around in fldigi, I'll try lifting the whole thing if you don't find anything
[22:44] <eroomde> yep just try lifting - ours is identical excpe the bits we rewrote don't make much sense as they're full of stuff to control the rtos that runs on the arm
[22:44] <eroomde> in terms of delays and mutexes
[22:47] <DanielRichman> OK, will do
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[22:56] <JamesLeeds> http://www.marketmanila.com/images/abrocolini2.JPG
[22:56] <eroomde> DanielRichman: http://pastebin.com/6aZQ2mJL
[22:56] <eroomde> that should hopefully be fairly straightforward (stripped out some crap)
[22:57] <DanielRichman> eroomde, thank you :)
[22:57] <eroomde> just replace things like tn_task_sleep with your own pause function
[22:57] <eroomde> the .h equivalent should just be straightforward
[22:57] <eroomde> define baud rate, symbol period etc as necessary in the .c file
[22:58] <DanielRichman> got it, will report back if/when I succeed
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[23:02] <eroomde> gluck DanielRichman - it's definitely a lot better as a mode than rtty
[23:03] <DanielRichman> eroomde, when you tried domex you had a 10bit dac; what did you use as a vref?
[23:05] <eroomde> compressed the range with a potential divider
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[23:05] <eroomde> was a bodge, you def want 12/14 bits
[23:05] <DanielRichman> yeah I've got 12. Going to do some testing, currently using a vref of 1V but may need to make that a lot smaller
[23:08] <jcoxon> evening all
[23:13] <DanielRichman> holy sh*t... it work
[23:13] <DanielRichman> the timing is slightly off since I used _delay_ms rather than something proper... but I can definitely see remnants of "Hello World"
[23:13] <DanielRichman> I expected to be bashing at that for ages but that was first try success (of a sort). Now I need to figure out how to use the xmega timers
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[23:14] <grummund> DanielRichman: is that with the xplain board?
[23:15] <DanielRichman> yeah grummund
[23:15] <DanielRichman> I like this little thing :)
[23:15] <grummund> hmm, you're not by any chance using i2c are you?
[23:15] <DanielRichman> nope
[23:15] <grummund> ok. nvm ;-)
[23:16] <DanielRichman> the bootloader is a little dodgy but apart from that I've had absolutely no troubles with this board
[23:16] <grummund> is that a bootloader on the main mcu?
[23:17] <DanielRichman> not strictly a bootloader; I installed this "XPlainBridge" software (LUFA) which uses the ATUSB to program the main mcu
[23:17] <DanielRichman> means I don't have to own a jtag programmer
[23:17] <DanielRichman> "Hello wEhHello worldttHello world"
[23:18] <DanielRichman> some garbage, but it's there ^^
[23:19] <grummund> the pdi program mode is dodgy or the serial bridge?
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[23:21] <DanielRichman> either one of them is liable to hang (?) when I plug it in (the light stays red, no usb device connects); apart from that the serial one is flawless. the pdi one sometimes hangs at the end of an upload
[23:23] <eroomde> congrats DanielRichman!
[23:23] <DanielRichman> hmm you did most of the work eroomde. Apart from fldigi, to whom do I attribute this code?
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[23:24] <eroomde> Just CUSF
[23:24] <DanielRichman> ok
[23:25] <eroomde> I'm sort of of the opinion that personal names in OS stuff can be a bit dodgy. people often feel nervous about making edits when it should be encouraged. they feel like they're stepping on other people's toes.
[23:26] <eroomde> so i usually don't bother putting myself as the actual author in the source itself, maybe just in the readme
[23:26] <jcoxon> on that note we should probably put something in the dl-fldigi.c files
[23:26] <jcoxon> hehe
[23:26] <jcoxon> to fit in with the rest of the code
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[23:32] <DanielRichman> oh grummund I almost forgot: in order to get pdi programming to work I had to install the ubuntu 10.04 avrdude package; I haven't yet bothered upgrading and the 9.10 avrdude can't do it
[23:33] <grummund> oh well... it's all good learning experience :P
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[23:36] <Laurenceb> hi all
[23:36] <Laurenceb> congrats jcoxon
[23:37] <jcoxon> hey Laurenceb, thanks
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[23:40] <jcoxon> night all
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[23:41] <Laurenceb> hi SpeedEvil
[23:41] <SpeedEvil> hi
[23:41] <G8KHW> nights
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[23:42] <SpeedEvil> What was the aspect of that glider thing that appearled to you - the link you posted?
[23:42] <SpeedEvil> any progress on your thoughts on that?
[23:42] <Laurenceb> http://en.wikipedia.org/wiki/Lift-induced_drag
[23:42] <Laurenceb> couldnt find any data from the RC guys
[23:42] <Laurenceb> but that page is nice
[23:42] <SpeedEvil> Surely there must have been glide tests done.
[23:42] <SpeedEvil> Hmm.
[23:42] <SpeedEvil> I suppose at that scale, it's actually tricky.
[23:43] <SpeedEvil> If you don't have instruments onboard, disentangling drag from thermally induced rises and falls is non-trivial.
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[23:44] <Laurenceb> I get L/D=aspect_ratio*pi/coefficient of lift
[23:44] <Laurenceb> from those equations
[23:44] <Laurenceb> so about 60 for aspect ratio of 10
[23:45] <SpeedEvil> hmm
[23:45] <SpeedEvil> I vaguely recall some interesting NACA papers on this.
[23:45] <SpeedEvil> But it's been a while, and I can't point to any in specific terms.
[23:47] <Laurenceb> if thats correct then you could get L/D of 40 for a wing 1.5m span and 15cm cord
[23:47] <Laurenceb> doesnt seem to be any size effects
[23:49] <Laurenceb> other than reynolds number determining the flow regime
[23:49] <Laurenceb> bbl
[23:50] <SpeedEvil> Interresting.
[23:51] <SpeedEvil> I suppose on reflection the above page - well - way above - that you quoted that lists albatrosses as 20:1 - well - fundamentally albatrosses aren't that large.
[00:00] --- Tue Jun 29 2010