highaltitude.log.20060419

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[09:16] <jcoxon> morning mmealling
[09:46] <defy> hows it going people :)
[09:47] <jcoxon> hey defy
[09:47] <jcoxon> going good thanks
[09:48] <jcoxon> got a meeting today about the new cambridge balloon project
[09:49] <jcoxon> hows your project going?
[10:13] <defy> cool, yea going pretty well, I'm just playing with the parafoil at the moment
[10:13] <defy> just making it RC to start out with, seeing if its even a controlable option
[10:18] <jcoxon> oooh cool
[10:19] <jcoxon> i'm sure mark_fiirestone would be interested in that
[10:19] <defy> I'm trying not to get too complicated, I'm just using my flexifoil kite
[10:27] <jcoxon> oh right
[10:45] <defy> pretty much finished I think, I'll post some pictures either today or tomorrow...might go test fly tomorrow if its a nice day
[10:45] <jcoxon> :-)
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[13:42] <jcoxon> bbl
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[16:45] <jcoxon> hey mark_fiirestone
[16:45] <mark_fiirestone> hey jcoxon!
[16:45] <mark_fiirestone> I got my gps module "done"
[16:45] <jcoxon> ooo cool
[16:45] <jcoxon> just been at a meeting about the Nova Project
[16:45] <mark_fiirestone> it lives in a backup tape case... I'm a bit concerned about the connector to the gps board though
[16:46] <jcoxon> dodgey soldering?
[16:46] <mark_fiirestone> really? Hows that going? I'm interested in that
[16:46] <mark_fiirestone> no, the soldering isn't that bad. it's a molex connector, and the sides of the connector are broken on a few of the pins. trying to decide if hot glue is the answer...:)
[16:47] <mark_fiirestone> not sure how well hot glue does in space.
[16:47] <mark_fiirestone> so, what's up with the nova project?
[16:48] <defy> hey jcoxon, i threw those pics up, http://defy.net/balloon/#parafoil
[16:48] <jcoxon> ooo thanks defy
[16:48] <jcoxon> mark_fiirestone, its going well
[16:48] <jcoxon> planning our summer aims
[16:49] <mark_fiirestone> good. what are your summer aims?
[16:49] <jcoxon> to get a payload to stay up for 5 days
[16:50] <defy> wow, that would be interesting
[16:51] <defy> would you try find some equilibrium between the lift/atmosphere/balloon not popping?
[16:51] <jcoxon> its gonna be hard
[16:51] <jcoxon> yup
[16:51] <jcoxon> got 10 full weeks to work on it
[16:51] <defy> very cool
[16:52] <mark_fiirestone> cool! How are you going to keep it up there without popping? Weights and a pressure relief valve?
[16:52] <jcoxon> something like that
[16:52] <jcoxon> we are going to push our designs soon
[16:52] <jcoxon> *publish
[16:53] <mark_fiirestone> neat. how to track something like that...
[16:54] <jcoxon> thats the big problem
[16:54] <mark_fiirestone> i'm still wondering if there is some way to make a cel phone function about 2,000 ft or so...
[16:54] <mark_fiirestone> is it a problem of signal strength, or seeing too many cells..
[16:54] <jcoxon> the cell system is a horizontal system
[16:55] <mark_fiirestone> horizontally polarized?
[16:55] <mark_fiirestone> so very poor vertical propagation?
[16:59] <jcoxon> thats what i think
[17:00] <mark_fiirestone> so what was the highest altitude that you got a text from?
[17:07] <jcoxon> 2000ft
[17:08] <mark_fiirestone> that's what folks on the web seem to be saying as well. did you get reliable position reports up and down from that altitude? (is that how you knew you were heading for the sea on the 3 one, or did it just disappear?)
[17:09] <mark_fiirestone> i guess there wouln't be many cells in the north sea :)
[17:09] <jcoxon> oh Peg II just disappeared
[17:11] <mark_fiirestone> bummer. this is what makes me nervous about the telemetry thing. maybe I'll try the high gain cell antenna thing on mine...
[17:12] <jcoxon> hehe
[17:12] <defy> you guys really dont have any amature frequencies to play with?
[17:14] <jcoxon> the rules are "not allowed unattended stations"
[17:14] <jcoxon> checking them out right now
[17:14] <mark_fiirestone> nope. there are some unlicensed frequencies, with low power ratings...
[17:14] <mark_fiirestone> i had an idea, what about a CB radio?
[17:14] <mark_fiirestone> that's 11 metres.
[17:16] <mark_fiirestone> you could have text to speech. "I'm at 65,000 ft at x y location, good buddy" in a synthesized voice... or are they illegal here as well?
[17:16] <jcoxon> yeah i'm looking at freeband right now
[17:16] <jcoxon> intheory they are illegal
[17:16] <jcoxon> as they are unattended
[17:16] <jcoxon> but who would know
[17:16] <defy> yeah
[17:17] <mark_fiirestone> it's not like they could take your license away...
[17:17] <mark_fiirestone> in the states, no one cares what goes on on cb, it's a free for all.
[17:18] <defy> do you both use gumstix and gps's together?
[17:19] <mark_fiirestone> i don't have a computer yet. I'm not sure what I'm going to use, but I want it to run linux...
[17:20] <defy> ah, I'm going to start looking for a new easier gps to get working with the gumstix, this earthmate is proving to be impossible to work with
[17:25] <jcoxon> new audiostix II?
[17:28] <mark_fiirestone> must dash... catch ya later (I wish that they loved me enough to give me free computers...)
[17:28] <defy> yea, I'm impatient and want something that works now though :P
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[17:30] <jcoxon> it'll be out tomorrow
[17:30] <defy> seriously?
[17:30] <defy> damn i didnt know it was that soon
[17:31] <jcoxon> yup
[17:31] <jcoxon> i've already got one :-D
[17:31] <jcoxon> though its at home :(
[17:31] <defy> damn, awesome...I assume its not up on their site yet?
[17:31] <jcoxon> its going up tomorrow
[17:31] <jcoxon> i asked to make sure i was allowed to talk about it
[17:32] <defy> oh cool
[17:32] <defy> any idea on price?
[17:33] <jcoxon> nope, sorry
[17:33] <defy> i was wanting to wait untill they released a gumstix with a usb host before i ordered from them again, since shipping costs about 80nzd i like to get as much as possible into one shipment, but having a gps that definitely does work might just be worth it
[17:46] <jcoxon> yeah
[17:46] <jcoxon> though usb host will be one of the next generation gumstixs
[17:48] <defy> yeah
[17:48] <defy> I imagined it would be a bit of a wait
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[18:49] <defy> woo, 5:49am, I should sleep sometime
[18:50] <jcoxon> yeah you should!
[18:51] <defy> soon, I've been up fixing my companies billing server which died about 5 hours ago =/
[18:51] <jcoxon> aarrgghhh real work
[18:52] <defy> haha yea
[18:52] <jcoxon> don't plan on doing that for a good couple of years
[18:52] <defy> luckily my boss, and network live on the other side of the planet, so its not TOO bad
[18:52] <jcoxon> so shouting doesn't do much then
[18:53] <defy> hehe yea, and when he gets too annoying i can just turn off msn and say my dsl must have gone down ;)
[18:53] <defy> which is does quite regularly anyway
[18:53] <jcoxon> hehe
[18:53] Action: jcoxon loves his uni internet connection
[18:54] <defy> what are you studying at uni?
[18:54] Action: jcoxon certainly doesn't love reading about Aflatoxin and Liver Cancer in Shanghai, China
[18:54] <jcoxon> medicine
[18:54] <jcoxon> 2nd year
[18:54] <defy> true, cool
[18:56] <jcoxon> should really do less balloons and more medicine
[18:56] <jcoxon> but with 10 weeks of just balloons this summer can't really help it
[18:56] <defy> haha, awesome
[18:57] <jcoxon> what the link again to your parafoil?
[18:58] <defy> it's on my balloon page, http://defy.net/balloon/
[18:58] <jcoxon> i get a 404 error
[18:58] <jcoxon> hmm
[18:58] <defy> really?
[18:58] <jcoxon> yup
[18:58] <jcoxon> and a redirection to http://defy.net/forum/showthread.php?t=1
[18:58] <defy> try again?
[18:59] <defy> oh thats old
[18:59] <defy> control^F5
[18:59] <jcoxon> nope still getting a 404
[18:59] <defy> refresh without cache
[18:59] <defy> yea, you're still being forwarded to the old forum page, are you using some transparent proxy server or something?
[19:00] <defy> try http://defy.net/ballon/index.html?
[19:00] <jcoxon> oooo safari liked it
[19:00] <jcoxon> got it now
[19:00] <defy> sweet
[19:01] <jcoxon> parafoil looks really cool :-D
[19:03] <defy> thanks :) it seemed to glide okay with the weight, as soon as its light ill probably take it outside and see if it'll keep its self airborn
[19:04] <defy> i really dont think it'll be a workable option for the balloon, but it'll be a fun toy anyway...and if i DO use it with the balloon i'll need to get a foil at least twice as big for carry the weight.
[19:04] <jcoxon> yeah
[19:04] <defy> i think all the lines and the kite its self would need to be stiffened some how to avoid tangling
[19:04] <jcoxon> well its still a potential area to explore
[19:04] <defy> which would really just complicate things
[19:04] <jcoxon> yeah
[19:04] <defy> yea definitely worth playing with at least
[19:04] <jcoxon> i'd worry about the speed it would be descending at
[19:05] <jcoxon> and the lack of air to resist it would probably crumple it and get it tangled
[19:05] <defy> yea, true...i guess falling through 5% atmosphere picks up quite a bit of speed
[19:05] <defy> that would lead me to think about some kind of deployment where the foil only comes out after its slowed down...but again, more complicated = more things that can go wrong
[19:15] <jcoxon> :-D
[19:15] <jcoxon> complixity is bad
[19:16] <defy> yea
[19:25] <jcoxon> added a guide to getting onto #highaltitude on the ukhas website so we might get a few more visitors soon
[19:26] <defy> sweet
[19:31] <defy> I'm off to catch some zzz's for a few hours, cya later :)
[19:32] <jcoxon> night
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[22:56] <jcoxon> hey phatmonkey
[22:57] <phatmonkey> hi!
[22:57] <jcoxon> had a busy balloon day
[22:58] <phatmonkey> what ya done?
[23:03] <jcoxon> 2 hour meeting dicussing the Nova project
[23:03] <jcoxon> what hte aim for the summer was
[23:04] <phatmonkey> nice
[23:04] <phatmonkey> whoops, better dash, bbiab
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[23:18] <jcoxon> hey icez
[23:21] <icez> hey jcoxon
[23:26] <phatmonkey> hmm
[23:26] <phatmonkey> ukhas.org.uk is looking a bit vacant!
[23:26] <phatmonkey> and the wiki
[23:26] <phatmonkey> hehe
[23:29] <jcoxon> i know
[23:29] <jcoxon> i've added another page!
[23:30] <jcoxon> sort of need a better about page
[23:30] <jcoxon> Nova (cambridge) want to get involved
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[23:31] <jcoxon> and the lead from SOAR is also interested
[23:31] <jcoxon> he might come onto the channel soon
[00:00] --- Thu Apr 20 2006