highaltitude.log.20090712

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[09:41] <jcoxon> morning edmoore
[09:41] <edmoore> hi jcoxon
[09:41] <edmoore> did you get my 97 messages? :p
[09:41] <jcoxon> wow
[09:41] <jcoxon> they just came through
[09:41] Action: jcoxon like zeusbot messages
[09:42] <edmoore> last night was amazing
[09:42] <jcoxon> edmoore, you need to get your self a ATU then you can play
[09:43] <edmoore> agreed
[09:43] <edmoore> and probably a better antenna
[09:43] <jcoxon> i would like an ATU as well
[09:43] <jcoxon> just they aren't cheap
[09:44] <jcoxon> :-( http://news.bbc.co.uk/1/hi/england/london/8146301.stm this is literally 20m from where i live
[09:44] <edmoore> eek
[09:45] <jcoxon> when you can recieve the US so well it does show that HF on a balloon will work
[09:46] <jcoxon> would be quite cool if we could be allowed a tiny bit of the spectrum, rubbish for local chasing but fun for people far away
[09:46] <edmoore> agreed
[09:46] <edmoore> £150 for an ATU
[09:46] <jcoxon> steve did discuss making one
[09:46] <edmoore> they do sound like a bit of a luxury to me
[09:46] <edmoore> yeah
[09:46] <jcoxon> they don't seem to be to difficult
[09:47] <edmoore> I'd be quite keen on making a linear amp too
[09:47] <jcoxon> let me find hte link that steve found for a design
[09:48] <edmoore> Icom want to take £4k off your hands for a 1kW PSU with built in ATU
[09:49] <edmoore> good lord
[09:49] <jcoxon> http://www.hanssummers.com/atu.html
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[09:51] <edmoore> good link
[09:51] <edmoore> thanks
[09:52] <edmoore> i would fancy trying to make a 30m full size yagi suspended from a balloon.
[09:52] <edmoore> 5 el or something :)
[09:52] <edmoore> I may try and get to EARS today - I'll go with the high speed camera
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[09:53] <jcoxon> :-)
[09:53] <jcoxon> i'm going to go to homebase to get some wood to fix our sofa
[09:53] <DanielRichman> :o
[09:53] <jcoxon> and also get some waste piping to make the vent
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[10:48] <edmoore> kc0wys: had a look at your blog. 90% packet success is OK, you could probably add another couple of 9s with some decent FEC.
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[11:36] <rjharrison> Hi all
[11:36] <rjharrison> Anyone stored floats in PROGMEM ?
[11:41] <rjharrison> join #avr
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[11:58] <DanielRichman> success! SD Card is alive!
[12:01] <jcoxon> good news!
[12:02] <DanielRichman> it responds and everything :O
[12:08] <jcoxon> hehe
[12:13] <jcoxon> i've got my flight computer up and running
[12:25] Nick change: kingj -> KingJ
[12:33] <jcoxon> ping edmoore
[12:33] <edmoore> yo
[12:34] <edmoore> oh cool
[12:34] <edmoore> sorry, just grabing lunch
[12:34] <jcoxon> GB7HQ
[12:34] <edmoore> then will talk more
[12:34] <jcoxon> on 7.013.67
[12:34] <edmoore> what freq?
[12:35] <edmoore> got them
[12:35] <edmoore> ok, bbl
[12:35] <jcoxon> cya
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[13:09] <edmoore> bk
[13:12] <jcoxon> hey
[13:24] <edmoore> tis finished now
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[14:00] <rjharrison> ping jcoxon you guys getting qso's on that freq
[14:01] <rjharrison> DanielRichman: Cool can you raw write and read to the sd card?
[14:02] <DanielRichman> rjharrison, haha, I'm not that far yet. Only spent ~1hr this morning, wrestling with the SPI interface (before I noticed that I had got the wrong pins).
[14:03] <DanielRichman> Got relatives over right now so won't be doing much... but i have it responding to CMD0 (reset) and CMD8 (check supply voltage), I've made a 'live surgery' setup with the arduino dumping all comms via USB just to debug, and i've written the CRC7 routines required.
[14:03] <DanielRichman> bbian
[14:03] <DanielRichman> *bbiab
[14:19] <DanielRichman> Phwoar, card initialized successfully
[14:19] <DanielRichman> bewm
[14:31] <rjharrison> DanielRichman: Sounds good I may be after your code in a few weeks :)
[14:31] <rjharrison> I'll swap it for some payload cutdown stuff
[14:57] <Hiena> Drat. I lost 300g propellant somewhere... I really have to clean my workshop.
[15:30] <DanielRichman> IT WORKS! I have read the first sector/512 bytes and it matches up with what linux thinks the first 512 bytes should be
[15:34] <DanielRichman> Hmm... time to put some test rubbish onto the sd card and see if I can read it off
[15:47] <DanielRichman> Ok. Got to grips with the block addressing
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[17:21] <jcoxon> hey rjharrison
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[19:31] <DanielRichman> rjharrison, got writing working ;)
[19:31] <DanielRichman> just writing it up into the proper driver thing now
[19:31] <DanielRichman> ie. I had a test program, now I'm making something that uses interrupts and doesn't block
[19:32] <DanielRichman> almost done, then gotta test this
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[20:53] <edmoore> evening all
[20:53] <rjharrison> evening sir
[20:54] <rjharrison> Where you playing on hf earlier?
[20:55] <rjharrison> edmoore ?
[20:55] <edmoore> yep
[20:56] <edmoore> heard arizona with the completey random bit of wire dangling down the side of the building
[20:56] <rjharrison> We should try coms when you have that in place
[20:57] <rjharrison> I'll bounce you a bit of morse
[20:59] <edmoore> what freq?
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[21:33] <jcoxon> evening all
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[22:00] <edmoore> hi jcoxon
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[22:04] <jcoxon> hey edmoore
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[00:00] --- Mon Jul 13 2009