highaltitude.log.20060514

[01:50] <macfreak4> anyone on?
[04:28] <defy> hey :)
[04:32] <macfreak4> hi
[04:37] <macfreak4> this is getting so exciting!
[04:37] <macfreak4> things are finally coming together
[04:37] <defy> haha, how close are you to launching now?
[04:37] <macfreak4> one week from monday
[04:38] <defy> wow awesome
[04:38] <defy> sorted the whole field too close to the airport issue?
[04:38] <macfreak4> no
[04:38] <macfreak4> im awaiting the faa's response
[04:38] <macfreak4> :(
[04:38] <defy> you putting any type of radar reflective stuff on it?
[04:38] <macfreak4> ya
[04:39] <defy> sweet
[04:39] <macfreak4> building something like this with cardboard and aluminum foil:
[04:39] <macfreak4> http://www.landfallnavigation.com/sd152.html
[04:39] <defy> sweet, i need to get me one of those
[04:40] <macfreak4> ya the faa would definitely want me to have it, especially since i'm so close to the airport
[05:59] <macfreak4> wow it's midnight
[05:59] <macfreak4> cya, im tired
[05:59] <macfreak4> ;)
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[07:47] <defy> hey :)
[07:48] <defy> i got all my gpstix issues sorted with a new antenna
[07:49] <defy> works perfect now, now once communications is sorted I should have all the major hurdles finished
[07:53] <jcoxon> yay
[07:53] <jcoxon> what did you have to do?
[07:54] <defy> throw the sparkfun antenna away, lol
[07:54] <defy> seems that was the source of all my issues, friend that works at navman gave me one of their antennas and i got a fix before i even took it outside
[07:55] <jcoxon> cool
[07:55] <defy> works beautifully now...gets a fix the instant i issue gpsd a command
[07:55] <jcoxon> wow
[07:55] <defy> even on cold starts, i had the gumstix off all day and just booted it...got a fix the second i started xgps
[07:57] <jcoxon> nice
[07:57] <jcoxon> once my exams are over i've got to do some tests
[07:57] <defy> cool
[07:57] <defy> have you dont any battery tests with the gumstix/gpstix combo?
[07:57] <jcoxon> perhaps i need to get one of these antennas!
[07:58] <jcoxon> ummm not really
[07:58] <defy> okie, i'd be interested to see how others are doing battery packs
[07:58] <defy> i made a 6 cell pack with a 5v regulator
[07:59] <defy> 6 2900mAh batteries lasted 5 and 1/2 hours...i expected about 8
[07:59] <defy> so not sure what happened there
[07:59] <defy> as it was only averaging about 310mAh
[08:00] <defy> but i havent done anything to lower power yet, apart from underclock the 400mhz to 200
[08:01] <jcoxon> i'm using 4 AAA lithium energizers
[08:01] <jcoxon> at 1,250mAh each
[08:01] <jcoxon> i've only got a 200mhz connex
[08:03] <defy> 1.5v yea?
[08:03] <defy> i could probably get away with only using 4 cells
[08:03] <jcoxon> yup
[08:03] <defy> and get the same results
[08:04] <jcoxon> yeah
[08:04] <defy> i know the robostix has 5v regulators on them, but do you know if the other boards do as well?
[08:04] <jcoxon> not sure
[08:04] <defy> okay, ill keep my external regulator to be safe then
[08:04] <jcoxon> yeah
[08:05] <jcoxon> all i'm missing right now is a case, permission and helium
[08:05] <defy> awesome
[08:05] <jcoxon> but i've got exams starting in just under 2 weeks
[08:05] <jcoxon> but they
[08:05] <defy> doh, how long do they last?
[08:05] <jcoxon> 'll be over in 3
[08:05] <defy> nice
[08:05] <defy> something to look forward to then :)
[08:05] <jcoxon> yeah
[08:05] <defy> besides finishing exams, lol
[08:05] <jcoxon> need to right dome more software
[08:06] <jcoxon> such as an altitude trigger for the cutdown to release bellerophon
[08:06] <defy> I wonder how well this gps unit will do at very high altitudes
[08:08] <jcoxon> hopefully it'll be fine
[08:08] <jcoxon> will know soon
[08:08] <jcoxon> :-D
[08:09] <defy> hehe
[08:09] <defy> I remember seeing a maximum altitude in the datasheet somewhere
[08:09] <defy> cant find it now
[08:10] <defy> oh, "Operational Limits (cocom) altitude 18,000mg
[08:10] <defy> oh i see, thats altitude vs velocity i think
[08:12] <jcoxon> oh its often 18km
[08:12] <jcoxon> but they do work above that
[08:12] <defy> cool
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[08:26] <jcoxon> morning malgar
[08:27] <malgar> ciao
[08:33] <jcoxon> right i better go off and do some revision
[08:34] <jcoxon> see you guys later
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[19:24] <macfreak4> hi
[19:28] <jcoxon> hey
[19:28] <jcoxon> not long now max
[19:28] <jcoxon> macfreak4,*
[19:28] <macfreak4> for you or me?
[19:28] <macfreak4> or both? ;)
[19:28] Action: jcoxon shouldn't type one handed
[19:28] <jcoxon> you
[19:28] <macfreak4> o yeah
[19:28] <jcoxon> i've got 33 days still
[19:28] <macfreak4> one week from monday
[19:28] <macfreak4> o
[19:29] <macfreak4> still waiting on the FAA's response
[19:29] <macfreak4> :\
[19:29] <jcoxon> it'll come
[19:29] <macfreak4> i hope
[19:29] <jcoxon> start calling them if it gets to close
[19:30] <macfreak4> yea
[19:30] <macfreak4> i called last thursday and they said they didn't know what i was talking about but they'd 'get back to me'
[19:30] <jcoxon> hmmm
[19:30] <macfreak4> so i'll call again monday
[19:30] <jcoxon> try again i think
[19:30] <jcoxon> yeah
[19:30] <macfreak4> maybe i'll get a different person on the phone
[19:30] <macfreak4> who actually knows something
[19:30] <macfreak4> lol
[19:31] <jcoxon> they usually don't know much
[19:31] <jcoxon> hehe
[19:31] <macfreak4> government jobs...
[19:31] <macfreak4> heh
[19:31] <jcoxon> i've got a contact in hte CAA (the uk equivalent) who is a specialist in this sort of thing
[19:31] <jcoxon> took a couple of trys to get in contact with him
[19:31] <jcoxon> lots of "whats!"
[19:31] <macfreak4> oh lol
[19:32] <macfreak4> well the ppl who did the paperwork for my passport 2 years ago kept asking me if i had ever been 16 years old
[19:32] <macfreak4> when i was 14
[19:32] <macfreak4> i said "uh, in 2 years"
[19:33] <macfreak4> the incompitence level is quite high
[19:40] <jcoxon> they are rather boring jobs
[19:41] <jcoxon> you sort of can't blame them for not always paying attention
[19:41] <macfreak4> yea that's true
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[20:48] <Professor> werd up
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[22:10] <macfreak4> hello again
[22:10] <jcoxon> heya
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[00:00] --- Mon May 15 2006