highaltitude.log.20081006

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[03:31] <jiffe88> Pressure: 29.75 in.
[03:31] <jiffe88> I'm guessing that is inches?
[03:32] <jiffe88> ah, of mercury
[05:04] <jiffe88> what do you guys think of http://www.kenwood.com/i/products/info/amateur/tm_d700ae.html ?
[05:07] <jiffe88> it doesn't seem to have an audio out port though :\
[05:07] <jiffe88> I'd like to still be able to hear it
[05:08] <jiffe88> everything else looks great though
[05:33] <natrium42> jiffe88, http://www.eham.net/reviews/detail/1118
[05:33] <natrium42> you probably have seen that site
[06:13] <jiffe88> I did, and it actually answered some more questions about it, I think I'm gonna get it
[06:18] <natrium42> it looks very good
[06:18] <natrium42> g'nite
[06:31] <jiffe88> night
[06:52] <Kornholijo> helli
[06:53] Action: Kornholijo hates microsoft
[06:53] <Kornholijo> woops
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[13:35] <edmoore> fnoble: ping on the off chance
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[14:07] <rharrison> afternnon all
[14:07] <rharrison> Logomatic v2 has arrived
[14:14] <edmoore> hi rharrison
[14:14] <edmoore> awesome
[14:14] <edmoore> as pretty as it looks in the photos?
[14:32] <rharrison> Yep and very small
[14:33] <rharrison> About the same size as a the area of a traditional match box
[14:33] <edmoore> yep, it's always suprising how small stuff is in real life
[14:33] <rharrison> It's does give measurements on the datasheet :)
[14:34] <rharrison> So that's my logger sorted. Will integrate for beacon launch
[14:35] <rharrison> Getting duct tape today and hopefully doug or someone will send me the script you used for vid and pictures. I have the firmware update but no info on how to set up. Hopfull the script will give the pointers!
[14:42] <edmoore> yep, sorry I can't help you more with that
[14:42] <edmoore> presumably that's why you've been pinging fnoble for the last few days?
[14:45] <edmoore> rharrison: do you know python? I want to make some code windows compatible - basically the only trickery is in the paths to directories - r'C:\Blah' will work as a string in windows, but does it work in *nix too?
[14:47] <edmoore> that was craply phrased - I appreciate 'C:\Blah' is meaningless in unix, but basically if I preffix a unix path string with 'r' - so r'projects/weather/result', say, should that work?
[14:53] <SpeedEvil> no
[14:53] <SpeedEvil> well...
[14:53] <SpeedEvil> Actually
[14:54] <edmoore> os.sep
[14:54] <edmoore> is the solution
[14:54] <SpeedEvil> r'prprjkjgjg' - the shell will eat the quoting in most cases
[14:54] <SpeedEvil> so it becomes rprpr...
[14:54] Action: SpeedEvil may be confused.
[14:54] <edmoore> sure, I don't mind it eating the quoting, that's what I was expecting
[14:55] <SpeedEvil> so if you make a directory rprojects, it' may work
[14:55] <SpeedEvil> ls v'ideo'
[14:55] <edmoore> basically 'C:\Blah' would look for an escape function \B which doesn't exist (as far as I know) and bad stuff might happen
[14:55] <SpeedEvil> will properly list a file called video
[14:55] <SpeedEvil> Well...
[14:55] <SpeedEvil> It depends what's reading it.
[14:56] <edmoore> shell/command line
[14:56] <SpeedEvil> If you call the 'open' function with that argument it'll do it.
[14:56] <SpeedEvil> If it's in "'s, it'll interpret it (if bash)
[14:56] <SpeedEvil> if it's in ''s, it won't.
[14:56] <edmoore> I had this battle over the summer with C++ at work, running things on a windows machine getting data off unix filesystems
[14:56] <rharrison> edmoore: Give me a sec
[14:57] <edmoore> 's ok, I have it down now anyway thanks to os-sep
[14:57] <rharrison> You running python under linux
[14:57] <edmoore> os.sep*
[14:57] <SpeedEvil> :)
[14:57] <rharrison> Pk col
[14:57] <rharrison> cool
[14:57] <rharrison> :)
[14:57] Action: SpeedEvil likes using nulls.
[14:57] <edmoore> which provides the correct os specific seperators
[14:57] <SpeedEvil> xargs -0 ++
[14:57] <edmoore> python is cool....
[14:57] <edmoore> started trying to learn it last night. it's proper nice
[14:57] <edmoore> I see what xkcd meant
[14:59] <edmoore> I was looking at writing my own reader for grib2 GFS weather files, then fnoble just casually says 'oh there's a python module for that'
[15:04] <rharrison> edmore this is quite a good ref. in case you haven't found it http://docs.python.org/tutorial/inputoutput.html#reading-and-writing-files
[15:08] <edmoore> *bookmarked*
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[17:03] <Laurenceb> Hello
[17:05] <SpeedEvil> Meh.
[17:06] <Laurenceb> UniS is a dump
[17:06] <SpeedEvil> S?
[17:07] <Laurenceb> "university of surrey"
[17:07] <Laurenceb> luckly I'm based off campus
[17:07] <Laurenceb> so dont have to venture too near
[17:07] <SpeedEvil> Ah.
[17:08] <Laurenceb> am at SSTL atm
[17:09] <Laurenceb> working with some guys from the US air force
[17:10] <SpeedEvil> Got your wrap-around mirrorshades?
[17:11] <Laurenceb> lol
[17:11] <Laurenceb> they cant seem to operate doors in this country
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[17:12] <Laurenceb> hi ed
[17:12] <SpeedEvil> What on?
[17:12] <SpeedEvil> (working with guys with the US air force) Laurenceb.
[17:12] <Laurenceb> remot sensing
[17:13] <Laurenceb> I'm looking for a good scope... I really want one of those tecktronix ones
[17:15] <edmoore> hi lb
[17:16] <Laurenceb> this is just lovely - http://cgi.ebay.co.uk/HP-54542A-500MHZ-DIGITAL-STORAGE-SCOPE_W0QQitemZ180294886173QQcmdZViewItem?hash=item180294886173&_trksid=p3286.m63.l1177
[17:17] <SpeedEvil> First read the manual.
[17:17] <SpeedEvil> It's probably not 500MHz - 1Gsps+
[17:17] <Laurenceb> yeah
[17:18] <Laurenceb> do you think its worth buying a usb scope?
[17:18] <SpeedEvil> I really don't know.
[17:18] <SpeedEvil> Personally, I want one that I don't have to use on windows.
[17:20] <Laurenceb> lol good point
[17:22] <edmoore> standalone is easier
[17:22] <SpeedEvil> Also more expensive.
[17:22] <edmoore> just leave it to do its thing whilst your pc is there for coding
[17:23] <edmoore> maybe a pc-based logic analyser...
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[17:56] <natrium42> i got mine for $600 or so
[17:56] <natrium42> it's both a logic analyzer and scope
[17:57] <natrium42> HP 16500B
[17:59] <natrium42> just make sure that it's tricked out with all the cards
[17:59] <natrium42> since they are more expensive to get separately
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[19:58] <Xenion> Guten Abend alle miteinander :-) schön euch zu sehen / Hello everyone
[19:59] <natrium42> was geht ab?
[20:02] <Xenion> natrium42, hehe :-)
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[20:45] <jcoxon> Evening all
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[22:03] <laurenceb> hello
[22:06] <SpeedEvil> Hello!
[22:06] <gordonjcp> hello
[22:06] <gordonjcp> anyone know much about aprs-is packets?
[22:53] <laurenceb> this is pretty odd
[22:53] <laurenceb> I've just taken my spi clock down to 625KHz
[22:53] <laurenceb> and missing the last bit
[22:54] <laurenceb> as opposed to to the last 3 bits before
[22:54] <laurenceb> very odd
[22:57] <laurenceb> SpeedEvil: any ideas?
[23:28] Nick change: rouslan -> Java--
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[23:35] <jcoxon> hey all
[23:35] <jcoxon> http://cgi.ebay.co.uk/Yaesu-FT-790R-70cms-Transceiver_W0QQitemZ140272209136QQcmdZViewItem?hash=item140272209136&_trkparms=72%3A1300|39%3A1|66%3A2|65%3A12|240%3A1318&_trksid=p3286.c0.m14
[23:35] <laurenceb> hello
[23:35] <laurenceb> omg om gomggg gsds
[23:37] <laurenceb> looks like theres some interest
[23:37] <laurenceb> anyone else on here want it?
[23:37] <jcoxon> yeah
[23:37] <jcoxon> still its a good price right now
[23:37] <laurenceb> hehe :P
[23:37] <laurenceb> you have one?
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[23:38] <jcoxon> i have one already
[23:38] <jcoxon> you used it when were we in the car chasing HAPS-1
[23:38] <laurenceb> sure
[23:39] <laurenceb> ignore me, long day
[23:39] <jcoxon> haha
[23:39] <jcoxon> i just did a 12hr shift
[23:39] <laurenceb> I'll take that back then
[23:39] <jcoxon> hehe
[23:40] <jcoxon> it wasn't too bad
[23:40] <jcoxon> quite quiet
[23:40] <laurenceb> what department?
[23:40] <jcoxon> Paeds
[23:46] <jcoxon> right have to get up early tomorrow
[23:46] <jcoxon> night all
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[23:52] <laurenceb> aha
[23:52] <laurenceb> think I worked out the mlx90609 issue
[23:52] <laurenceb> the datasheet it WRONG
[23:52] <laurenceb> it needs 250us for a conversion - slowing the spi allows it more time
[23:52] <natrium42> laurenceb, did you fix your problem?
[23:52] <laurenceb> its a sucessive approximation adc
[23:53] <laurenceb> thnk so
[23:53] <laurenceb> just need to write a final version of the read routine to be 100% sure, but its working atm with some hacked in printf comments
[23:53] <natrium42> it might have been clock sampling
[23:54] <natrium42> positive vs. negative edge
[23:54] <laurenceb> the conversion in progress bit is set
[23:54] <laurenceb> unless I slow it down
[23:54] <laurenceb> I've paid close attention to that
[23:54] <natrium42> oh, okay
[23:57] <laurenceb> all the issues would tie up if this is the cause
[23:57] <laurenceb> as the least significant bits are found last
[23:57] <natrium42> so what's left to do?
[23:57] <laurenceb> fit everything in the enclosure
[23:57] <laurenceb> test
[23:58] <laurenceb> rewrite the radio code and test - I might try and borrow a 434MHz tx
[23:58] <laurenceb> then fit the wings on, thats a bit hard as the trim really needs to be almost correct
[00:00] --- Tue Oct 7 2008