highaltitude.log.20101009

[00:00] <plantain> good to see a notam filed for today, I assume that's the horus launch
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[00:04] <slothearn> natrium42: total waste :P
[00:04] <slothearn> I ran Gentoo on my old MBP, always felt like it was a waste of money
[00:05] <fsphil> yea, nothing beats Fedora :p
[00:05] <natrium42> slothearn, it's a nice metal computer though
[00:05] <slothearn> yea they are pretty
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[00:05] <slothearn> no denying that
[00:05] <slothearn> although my Lenovo is a durable little beast too
[00:05] <natrium42> and you can boot to osx if you ever need to dev for iphone etc
[00:06] <slothearn> yar
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[00:18] <defy> nothing beats fedora? how about any other distro? ;P
[00:18] <slothearn> uh oh, distro warz :P
[00:18] <defy> haha, i had to bite
[00:19] <defy> hey is anyone in here dropping gliders from weather balloons?
[00:20] <fsphil> I seen some videos of drop tests, but can't remember who did them unfortunately
[00:24] <SpeedEvil> Laurenceb was planning on it
[00:42] <Laurenceb> ive done 3
[00:43] <Laurenceb> from 1.5,4 and 5km
[00:43] <SpeedEvil> Oh.
[00:43] <Laurenceb> *from 1.5,4 and 11.5km
[00:43] <Laurenceb> even
[00:43] <SpeedEvil> I diddn't know you'd flown again after the mechanical issue
[00:43] <SpeedEvil> recentish?
[00:43] <Laurenceb> no, before the mechanical issue
[00:44] <SpeedEvil> ah
[00:44] <Laurenceb> i had a couple of failed flights where i lost contact
[00:44] <SpeedEvil> I diddn't realise.
[00:44] <Laurenceb> the last flight was from 11 and it was in a stable spiral most of the time
[00:44] <Laurenceb> due to the knot coming undone on the winch servo
[00:45] <Laurenceb> but the gps+gyro data showed it was in a nice stable flight despite some heavy turbulence, so rogallos work well
[00:45] <Laurenceb> i havent got any good videos
[00:45] <SpeedEvil> It was not commanding - or hard left/right?
[00:46] <Laurenceb> not commanding apart from a few intervals where the string jammed
[00:46] <SpeedEvil> Wjat
[00:46] <Laurenceb> the line was just slipping through
[00:46] <SpeedEvil> s tje g;odes;p[e ;ole?
[00:46] <SpeedEvil> What's the glideslope like.
[00:46] <Laurenceb> 3.7:1 average
[00:47] <SpeedEvil> not terrible.
[00:47] <Laurenceb> its designed to be low
[00:47] <Laurenceb> so it cant fly off the france by accident
[00:48] <Laurenceb> gtg, cya
[00:48] <SpeedEvil> WAve.
[01:08] <fsphil> nice launch site
[01:08] <fsphil> balloon and chase car have appeared
[01:12] <defy> Laurenceb any experience with ardupilot?
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[01:19] <Darkside> hey uys
[01:19] <Darkside> hey guys
[01:19] <Darkside> we had a slight setback
[01:19] <Darkside> balloon slipped out of terrys hands and had a little fly
[01:20] <SpeedEvil> Oops?
[01:20] <Darkside> lucky we were in a garage
[01:20] <SpeedEvil> :)
[01:20] <Darkside> we've removed the repeater, still flying
[01:20] <Darkside> targeting a 3m/s ascent rate
[01:21] <SpeedEvil> What payload?
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[01:22] <Dan-K2VOL> Good evening all
[01:22] <Darkside> SpeedEvil: both payloads are still running
[01:23] <Darkside> just removing the repeater from terrys payload
[01:23] <Darkside> what you see on the tracker is my payload, sitting on the ground
[01:23] <SpeedEvil> What have they got in them? Cam/temp?
[01:23] <Darkside> yes
[01:23] <Darkside> terrys has a HD video cam
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[01:23] <Darkside> and the usual telemetry
[01:23] <Darkside> mine has normal telemetry
[01:23] <SpeedEvil> :)
[01:25] <Dan-K2VOL> nice, doing a test of hardware or software?
[01:31] <plantain> Darkside: where is the estimated landing location?
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[01:42] <Dan-K2VOL> sadly only getting PSK31 here on that freq.
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[01:47] <andysa3> Any update on the Horus launch time?
[01:57] <Darkside> soon
[01:57] <Darkside> very soon
[02:00] <Dan-K2VOL> are you guys launching tonight?
[02:01] <Darkside> launching now
[02:01] <Darkside> very soon
[02:01] <Darkside> just waiting for GPS lock
[02:02] <Dan-K2VOL> is there HF aboard?
[02:02] <Darkside> yep
[02:02] <Darkside> 7037KHz
[02:02] <Darkside> its running right now
[02:03] <Darkside> but its only 40mW
[02:03] <Dan-K2VOL> Nice! I've got a globaltuners RX in Louisville, KY if you guys want to listen, balloons have priority
[02:03] <Darkside> ?
[02:04] <Dan-K2VOL> ah i'll tell you another time if you're busy with the actual launch
[02:04] <Darkside> ok
[02:08] <plantain> taking a while to get a lock?
[02:11] <Dan-K2VOL> that freq seems covered with PSK QSOs here in the southern US
[02:15] <Dan-K2VOL> check out globaltuners.com sometime, it lets you listen to remote HF radios around the world. I've set one up in the midwest USA just for balloon telemetry. (well, it states that on the radio page that anyone using the rig should yeild control if someone else needs to listen for telemetry)
[02:16] <Dan-K2VOL> good luck guys
[02:16] <Dan-K2VOL> gtg
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[02:17] <Darkside> launched
[02:18] <plantain> that's a weird forecast route Darkside
[02:19] <Darkside> lol
[02:19] <Darkside> not really
[02:19] <plantain> I noticed on the rasp forecasts there was quite a shear at about 6000ft
[02:20] <plantain> the horus tracker isn't working?
[02:20] <Darkside> yeah
[02:20] <Darkside> nope
[02:20] <Darkside> its lost lock
[02:21] <plantain> temp data should still update though, right?
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[02:24] <plantain> how accurate are the path predictions normally Darkside ?
[02:24] <Dan-K2VOL> I'm assuming you guys use the WebSDR from U Twente in the NL for reception? If not, it'd be a great tool: http://websdr.ewi.utwente.nl:8901/
[02:25] <andysa1> From what I have seen of these guys previous launches, the predictions are amazingly accurate
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[02:32] <juxta_> hi all
[02:32] <juxta_> natrium42, you in?
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[02:44] <juxta_> update for anybody tracking horus - GPS seems to have lost lock in the air
[02:44] <juxta_> HF telemetry is working great though
[02:44] <juxta_> 7.037 MHz
[02:44] <DagoRed> Nice
[02:46] <Darkside> i am *really* happy that its working
[02:46] <Darkside> heh
[02:50] <Darkside> jeepers
[02:50] <Darkside> 10 hour pflight time
[02:50] <Darkside> fuuuuuuu
[02:51] <plantain> how did you estimate that?
[02:52] <Darkside> check the tracker
[02:52] <Darkside> http://spacenear.us/tracker/
[02:53] <Darkside> if you click the landing spot (blue one) it gives you a time
[02:53] <Darkside> terrys payload has a dud gps
[02:53] <Darkside> well, it hasnt got lock
[02:53] <plantain> oh wow the path had changed since I reloaded
[02:53] <Darkside> oohh yeah
[02:55] <plantain> why so late? is it ascending slower than you expected?
[03:01] <juxta_> yes
[03:01] <juxta_> had a bit of a mishap in the balloon filling
[03:03] <juxta_> yay i have lkock
[03:03] <Darkside> w00t
[03:04] <plantain> going to be an interesting retrieve if it lands in one of those forests :>
[03:06] <Darkside> yup
[03:12] <plantain> where do you get your balloons from?
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[04:11] <Darkside> andysa:
[04:11] <Darkside> hey
[04:11] <Darkside> you tracking?
[04:11] <andysa> hi everyone. Can someone please advise me the current baud rate
[04:11] <andysa> Im trying, but no success currently
[04:11] <Darkside> 300 baud
[04:11] <andysa> getting a clean hf signal, but it is gibberish
[04:11] <Darkside> RTTY
[04:11] <Darkside> you might need to switch to USB
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[04:17] <Darkside> ey VK5AV
[04:17] <Darkside> you tracking?
[04:17] <VK5AV> hey not sure, watching on web. I am in Mt Gambeir, trying to listen for your signals
[04:18] <Darkside> cool
[04:18] <Darkside> you might be able to get HF
[04:18] <Darkside> 7037, USB, RTTY300
[04:18] <VK5AV> not set up to decode rtty but thought it woul dbe nice to at least try and hear the device
[04:19] Action: DagoRed is liking the progress
[04:21] <VK5AV> hearing signal on 40m
[04:21] <DagoRed> nice
[04:21] <Darkside> VK5AV: nice
[04:23] <Darkside> see if you can get dl-fldigi going
[04:24] <andysa> Im a bit puzzled, I seem to have heaps of signal, even have to attenuate it right back, however I still dont get a sharp waterfall display in this latest version of FL-digi
[04:24] <andysa> any suggestions?
[04:24] <andysa> it is a 425 Hz deviation I am assuming?
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[04:28] <Darkside> andysa: you might need to switch to reverse or something
[04:29] <Darkside> i.e. LSB to USB
[04:29] <Darkside> it should be on USB
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[04:32] <plantain> ascending better now Darkside?
[04:34] <Darkside> yeah
[04:34] <Darkside> andysa: you vk5awp?
[04:35] <andysa> no
[04:36] <Darkside> ok
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[04:55] <natrium42> fixed darkside prediction
[04:56] <natrium42> launch looking great!
[04:58] <andysa> \
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[04:59] <natrium42> g'nite and g'luck
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[05:02] <DagoRed> 60k ft!
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[05:26] <DagoRed> hey
[05:26] <Darkside> hi
[05:26] <Darkside> juxta- is kind of around
[05:26] <Darkside> i dunno if he's watching irc
[05:26] <Darkside> oh hi
[05:26] <Darkside> hey juxta-
[05:26] <Darkside> (he just walked over)
[05:27] <DagoRed> heh
[05:27] <DagoRed> The payload looks pretty good.
[05:27] <DagoRed> wait, did I miss burst?
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[05:31] <Darkside> nah
[05:31] <Darkside> its just going up slowly
[05:31] <Darkside> we've just been sitting around waiting for it to get back here
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[05:34] <DagoRed> Darkside: Do you have two balloons up right now?
[05:37] <DagoRed> 80k ft!
[05:38] <andysa> are you sending 7 or 8 bit ascii, or Baudot?
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[05:39] <orlok> I'm near melbourne - any chance of me being able to spot darkside?
[05:39] <DagoRed> nv1k: They're using rtty on their balloon.
[05:39] <orlok> i have a reasonable telescope
[05:39] <DagoRed> orlok: Just give it a shot.
[05:39] <orlok> How big is it currently?
[05:40] <orlok> yeah, just have to avoid the sun heh
[05:40] <DagoRed> I'm sure you'll be able to see it if the sun isn't causing a problem.
[05:41] <orlok> ok , northwest
[05:41] <DagoRed> orlok: If you're going to see it, now would be a good time. It's getting near burst.
[05:42] <DagoRed> 84kft
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[05:48] <Myke_0> hi
[05:48] <DagoRed> hi
[05:48] <Myke_0> so the lines not filled in are the predicted path?
[05:48] <orlok> ok, sun too close in that direction for me to want to use the scope heh
[05:48] <DagoRed> orlok: That's a shame
[05:49] <orlok> also, a lot of crap in the way that direction
[05:49] <DagoRed> Almost 86,000 ft
[05:49] <Myke_0> what instrumentation is attached to the balloon? A GPS unit?
[05:49] <Myke_0> that's all?
[05:49] <DagoRed> We'll see.
[05:49] <orlok> How big is it, physically?
[05:50] <DagoRed> orlok: Like a small house by now.
[05:50] <Myke_0> hahaha
[05:50] <Myke_0> wee
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[05:50] <DagoRed> Darkside, juxta-, what size balloon?
[05:52] <DagoRed> Myke_0, orlok, earlier this week our lab hit 36753m
[05:52] <Myke_0> you send a camera up there with it?
[05:52] <DagoRed> we were within 200ft of our target altitude for a lab record.
[05:52] <DagoRed> Not this time, we have. We have some great shots.
[05:52] <orlok> is that scale on the map in what, meters, k's..
[05:52] <Myke_0> nice
[05:52] <DagoRed> orlok: should be scale
[05:53] <DagoRed> Myke_0: Some of the guys will be sending pictures via RTTY
[05:53] <DagoRed> Imgagine getting pictures digitally at 300 baud
[05:53] <DagoRed> 88k ft, not too shabby.
[05:54] <DagoRed> I wonder if they will beat the 100k ft limit.
[05:54] <DagoRed> Err... milestone
[05:54] <Myke_0> ~3km cool :D
[05:55] <DagoRed> Right now the jet stream is below them.
[05:55] <Myke_0> wow
[05:55] <DagoRed> Well below them.
[05:55] <Myke_0> what would happen if it got cought in it?
[05:56] <DagoRed> It moves REALLY fast.
[05:56] <DagoRed> Some of our payloads have done 200 miles in 3 hours.
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[05:56] Action: DagoRed should ask some of the more experienced people
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[05:57] <Myke_0> weee
[05:57] <Darkside> DagoRed: 1000g balloon
[05:57] <Darkside> expected burst of 32k
[05:57] <Darkside> you can convert that yourself
[05:57] <DagoRed> Darkside: Ahh, sounds awesome.
[05:57] <Darkside> because we use metric here
[05:57] <DagoRed> I have, got my python script working :)
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[05:58] <Myke_0> metric = awesome
[05:58] <Myke_0> I wish we weren't silly and used metric
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[05:58] <DagoRed> Meh, doesn't matter to me.
[05:58] Action: DagoRed is enjoying this
[05:58] <jcoxon> hey hey
[05:59] <jcoxon> are we still flying?
[05:59] <DagoRed> yup
[05:59] <Darkside> yup
[05:59] Action: DagoRed needs to make his IRC bot tracking system.
[05:59] <jcoxon> eek see issues with gps earlier (reading the logs)
[05:59] <jcoxon> DagoRed, i had one - it got a little annoying :-p
[05:59] <Darkside> yup
[05:59] <DagoRed> jcoxon: A lot of the satelites are down for maintence, we had the same problem.
[05:59] <jcoxon> hows that HF going
[05:59] <plantain> I struggle to believe it's 2c up there
[06:00] <Darkside> jcoxon: *very* well
[06:00] <jcoxon> amazing
[06:00] <Darkside> plantain: lol
[06:00] <DagoRed> plantain: It starts heating up again because the atmosphere filters less.
[06:00] <jcoxon> Darkside, hows dl-fldigi coping with the HF?
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[06:00] <Myke_0> what freq are you using to comunicate?
[06:00] <Darkside> jcoxon: very well
[06:01] <Darkside> Myke_0: both 434MHz and 7MHz
[06:01] <jcoxon> thats encouraging
[06:01] <Darkside> look up the top of the tracker
[06:01] <Darkside> http://spacenear.us/tracker
[06:01] <Myke_0> ah, no problems with the GHz range them :)
[06:01] <Darkside> GHz?
[06:01] <Darkside> eha?
[06:01] <Darkside> wha
[06:01] <jcoxon> Darkside, any long range receptions?
[06:01] <Darkside> jcoxon: dunno
[06:01] <Darkside> its been put on the dx cluster list
[06:01] <Myke_0> 2.4GHz is a fairly common band but has trouble going long distances
[06:02] <Darkside> so we might get reports s later on
[06:02] <Darkside> Myke_0: w'we're not using 2.4GHz
[06:02] <jcoxon> hf freq
[06:02] <Darkside> damn lag on this 3g connection
[06:02] <Myke_0> I see that :P
[06:02] <DagoRed> Myke_0: They know, hence why you use 70cm, 2m, and sometimes dip into the HF bands like 20m.
[06:02] <jcoxon> ?
[06:02] <Myke_0> ah, k
[06:02] <plantain> what satelites are down for maintenance? I can't find any mention of issues
[06:02] <Darkside> we're using 40m here :)
[06:03] <Darkside> plantain: none
[06:03] <Myke_0> higher freq stuff is smaller but also has the downside of a lower range
[06:03] <Darkside> we think the gps had invalid ephemeris data in it
[06:03] <DagoRed> Myke_0: At least that's what our lab uses. Well... not as much 20m.
[06:03] <Darkside> so it had to redownload the entire almanac
[06:03] <Myke_0> cool
[06:03] <DagoRed> plantain: Quite a few, we lost GPS for 10 minutes.
[06:03] <DagoRed> Earlier this week that is.
[06:03] <Darkside> lol
[06:03] <Darkside> my gps worked fine today :)
[06:03] <DagoRed> nice Darkside
[06:03] <Darkside> terry's stuffed up at the tart
[06:04] <plantain> http://adn.agi.com/SatelliteOutageCalendar/SOFCalendar.aspx
[06:04] <Darkside> start*
[06:04] <Myke_0> anyways... I've got to get going
[06:04] <Myke_0> bye
[06:04] <Myke_0> interesting stuff you are doing
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[06:05] <jcoxon> just to say there are 2 UK launches this weekend as well
[06:05] <jcoxon> so could hte tracker be cleared post flight
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[06:09] <jcoxon> DagoRed, you should use our spacenear.us tracking system for your flights
[06:09] <jcoxon> the new version that is being developed will allow for APRS as well
[06:09] <jcoxon> so you get the nice plots etc
[06:09] <DagoRed> jcoxon: I was thinking about it. How does it work?
[06:09] <DagoRed> We're going to use igate next time but I didn't have that bot set up either yet.
[06:09] <jcoxon> so everyone is running dl-fldigi (A modified version of fldigi) which detects telem strings and forwards them to the server
[06:10] <jcoxon> the server checks them and then plots them
[06:10] <DagoRed> ahh
[06:10] <DagoRed> I'm not sure if that is supported in the US.
[06:10] <jcoxon> bill brown uses this for his flights
[06:11] <jcoxon> but not on APRS
[06:11] <DagoRed> Hmm... looks like I'll have some work to do in the future.
[06:11] <jcoxon> really works for any format that fldigi can decode
[06:11] <DagoRed> Nice, I'll have to look into it.
[06:12] <DagoRed> The guys on #hamradio said to check out fldigi
[06:12] <jcoxon> its a pretty good decoder
[06:12] <jcoxon> perhaps not the best
[06:12] <jcoxon> but its cross platform and easy to hack :-p
[06:13] <DagoRed> That's what I like.
[06:13] <jcoxon> also dl-fldigi has the image over rtty feature built in
[06:13] <DagoRed> I would like to make a stand alone with a dspic
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[06:24] <DagoRed> orlok: If you want to try the microscope, go for it.
[06:25] <DagoRed> w00t, over 100kft
[06:26] <jcoxon> okay for the UK flights my radio is online
[06:26] <jcoxon> http://m6jcx.no-ip.org/dl-fldigi-XMLRPC/index.html
[06:26] <griffonbot> Received email: James Coxon <jacoxon@gmail.com> "Balloon Launches this weekend"
[06:27] <orlok> Whats the green circle?
[06:27] <jcoxon> but the antenna is poorly placed so don't expect much reception of the flights
[06:27] <orlok> on the map
[06:27] <jcoxon> orlok, horizon of the balloon
[06:27] <orlok> Ahh, cool
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[06:27] <orlok> just became visible here them
[06:27] <orlok> but i cant see that low, houses in way :-(
[06:28] <DagoRed> orlok: Damn.
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[06:32] <DagoRed> here it comes!
[06:38] <orlok> hmm looks very clear over in adelaide
[06:38] <DagoRed> You can see it?
[06:39] <orlok> nah
[06:39] <DagoRed> burst?
[06:39] <DagoRed> nope
[06:39] <DagoRed> damn
[06:39] <orlok> just looking at weather map, pondering trying to properly align one of the sensors for my telescope
[06:39] <DagoRed> ahh
[06:40] <orlok> lol green chase car is doing 90k's
[06:40] Action: DagoRed hopes we don't get a floater
[06:40] <DagoRed> that's not too fast
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[06:46] <jcoxon> that looks like a floater to me...
[06:46] <jcoxon> ? hole in balloon from launch problems
[06:46] <DagoRed> yeah
[06:46] <jcoxon> time for work
[06:46] <jcoxon> cya guys
[06:47] <jcoxon> good luck
[06:47] <DagoRed> later
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[06:50] Nick change: DagoRed -> kd0mto
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[06:56] <kd0mto> That's going to float.
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[07:07] <kd0mto> juxta_: Are you watching this?
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[07:13] <andysa6> oh dear!
[07:13] <kd0mto> yeah... it's game over
[07:13] <kd0mto> gg
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[07:16] <andysa6> This is probably where a Chase Boat would come in handy
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[07:17] <kd0mto> Uhm... it's not coming down for a while. They will lose radio contact most likely before it comes down.
[07:17] <andysa6> No... looks like it just popped
[07:17] <kd0mto> BURST!!
[07:19] <shenki> can you guys see predicted location?
[07:19] <shenki> im in a chase car, we're having data issues
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[07:19] <kd0mto> I can
[07:19] <Gnea> it's re-calculating, looks like
[07:19] <kd0mto> Wattle Flat
[07:20] <kd0mto> B23 by Wattle Flatt
[07:20] <kd0mto> I hope that helps you shenki
[07:21] <shenki> kd0mto: cheers
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[07:23] <Gnea> Full-screen
[07:23] <Gnea> Predicted Landing
[07:23] <Gnea> -35.423, 138.374 at 08:09 UTC
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[07:24] <orlok> somebody going to go to wirrina cove and commandeer a boat? :
[07:24] <wil5on> Darkside: you in a car?
[07:24] <wil5on> lol
[07:26] <kd0mto> he's been quiet
[07:26] <shenki> Darkside is manning the rdf
[07:26] <shenki> he doesnt have irc
[07:27] <shenki> (he's; sitting next to me)
[07:27] <shenki> bumpy dirt roads :/
[07:27] <shenki> dropping fast, is it going to make it back to land?
[07:27] <shenki> what rate should it drip if the chute is working?
[07:27] <orlok> if a kingswood can take it, so can you!
[07:27] <kd0mto> Don't know but people in #hamradio and #sscl are watching you guys and hoping for the best.
[07:28] <Gnea> Predicted Landing
[07:28] <Gnea> -35.4207, 138.374 at 08:08 UTC
[07:29] <orlok> ahh rate of drop is slowing
[07:29] <orlok> thicker air?
[07:29] <kd0mto> shenki: did you guys do a cut down system or did it burst on it's own?
[07:29] <kd0mto> orlok: bingo
[07:29] <shenki> kd0mto: no cut down system, it burst on it's own
[07:29] <orlok> thats awesome to see
[07:29] <kd0mto> very very aweesome
[07:29] <Gnea> it's closing into land
[07:29] <kd0mto> *awesome, and lucky!
[07:29] <orlok> yeah, thats science right there heh
[07:30] <shenki> hrm, no telemetry on horus
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[07:30] <shenki> i think we just picked it back up, should start updating agian
[07:30] <orlok> yup
[07:30] <Gnea> horus just did a packet
[07:31] <orlok> hmm, no chance of a GSM signal up there, right?
[07:31] <Gnea> Position: -35.4694,138.2674
[07:31] <Gnea> Altitude: 13097 m Rate: -11.7 m/s
[07:31] <Gnea> Speed: 65 km/h
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[07:32] <orlok> does the landing prediction take into account wind direction at different altitudes?
[07:32] <kd0mto> orlok: Yes.
[07:33] <Gnea> it's predicting to land on top of the mountain just to the west of waffle flat
[07:33] <kd0mto> nv1k is doing some new prediction stuff as well :)
[07:33] <orlok> awesome
[07:33] Action: kd0mto nods
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[07:33] Action: orlok drinks some coopers in celebration
[07:34] <Gnea> temperature is dropping
[07:34] <kd0mto> gnea, keep a look, I'm walking home.
[07:34] <Gnea> okay
[07:34] <kd0mto> call me and keep me posted.
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[07:34] <orlok> lol flying along the beach heh
[07:35] <orlok> i wonder if anybodys swimming/sunbaking/whatever
[07:35] <Gnea> what time is it? :)
[07:36] <Gnea> suppose I could just look it up
[07:36] <andysa6> just after 6pm here
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[07:37] <orlok> yeah, they are a bit behind over in adelaide lol
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[07:37] <Gnea> looks like it could be past sunset by the time the payload gets found
[07:37] <andysa6> daylight saving here
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[07:38] <orlok> http://www.bom.gov.au/gms/IDE00006.latest.shtml
[07:38] <andysa6> so, still have 1 hour or more before sunset
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[07:38] <Gnea> oh man, did the temperature sensor just break?
[07:38] <earthshine> morning
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[07:39] <orlok> what colour is the baloon?
[07:39] <orlok> was
[07:39] <earthshine> How come toad's launch isn't on the website ?
[07:39] <earthshine> *todays
[07:39] <earthshine> not toads
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[07:40] <Upu> not sure
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[07:43] <earthshine> The launch today is darkside ?
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[07:45] <earthshine> Oh.. That's Oz
[07:47] <Upu> Rob Harrison is launching this morning I think
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[07:50] <Gnea> looks like a splashdown
[07:50] <Gnea> :/
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[07:51] <fenta23> will it swim?
[07:51] <Gnea> you mean, will it float?
[07:51] <Gnea> no idea
[07:51] <Gnea> my guess is not reliably
[07:52] <andysa6> its oiver land according to the track
[07:52] <andysa6> over
[07:52] <andysa6> only just
[07:52] <Gnea> yes, but the landing prediction keeps moving closer to the beach
[07:52] <fenta23> to bad for you if it drop to the sea...
[07:52] <Gnea> and as of right now, it's past the beach and on the sea
[07:53] <m1x10> hi astronauts
[07:53] <fenta23> by the wy, greetz to mark (darkside) from micha (germany)
[07:54] <Gnea> okay, it just switched back to the beach
[07:54] <Gnea> there's hope yet
[07:55] <Gnea> wind seems to be sporadic, it's on the final descent
[07:55] <Gnea> 1803m
[07:55] <Gnea> altitude
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[07:57] <orlok> carefull on those roads guys!
[07:57] Nick change: DagoRed -> kd0mto
[07:57] <orlok> DagoRed: over land!
[07:57] <kd0mto> how's it lookin?
[07:57] <kd0mto> Yay! Gnea told me when I called him.
[07:57] <Gnea> kd0mto: almost there, it's on the final descent
[07:57] <andysa6> Current prediction is Gold Coast Drive, Carrickalinga.. guys
[07:58] <orlok> ahh swung backwards
[07:58] <kd0mto> link me!
[07:58] <Gnea> yeah, it keeps going back and forth from the sea to the beach to the drive
[07:58] <kd0mto> close
[07:58] <Gnea> at least it won't be on top of a mountain
[07:59] <kd0mto> at least mountain = land
[07:59] <Gnea> looks like darkside will make the splash
[07:59] <Gnea> horus is almost down
[07:59] <andysa6> Isnt this exciting!
[08:00] <Gnea> 232m
[08:00] <orlok> is it two seperate baloons?
[08:00] <Gnea> yeah! :D
[08:00] <andysa6> Place your bets people.... land or sea?
[08:00] <orlok> or two radio units on one?
[08:00] <Gnea> darkside: sea, horus: land.
[08:00] <andysa6> 2 radios on one I believe
[08:00] <fenta23> hehe
[08:00] <Gnea> here we go....
[08:00] <Gnea> 24m
[08:00] <Gnea> (horus)
[08:01] <andysa6> we just got the chase cars back
[08:01] <fenta23> sea
[08:01] <orlok> vk5zsn on foot now i guess heh
[08:01] <kd0mto> I can't see it
[08:01] <earthshine> What do I need to do to get my antenna to appear on the map? I have dl-fldigi online
[08:01] <Gnea> horus is down!
[08:01] <Gnea> hard to tell if it landed in the water or not
[08:01] <fenta23> uf horus is swiming
[08:02] <Gnea> fenta23: it could be, but then google maps have been known to be a few hundred feet off at times
[08:02] <fenta23> its still moving
[08:02] <orlok> might be getting blow along the beach
[08:02] <Gnea> here comes darkside
[08:02] <Gnea> or floating, yeah
[08:02] <fenta23> hmm
[08:02] <Gnea> it's getting washed out to sea :(
[08:03] <fenta23> swimming... 2km/h
[08:03] <orlok> ok start looking for yards with boats
[08:03] <Gnea> oh, they're on it
[08:03] <Gnea> blue car
[08:03] <Gnea> awesome
[08:03] <Gnea> it just showed up out of nowhere
[08:03] <earthshine> nm i'm on now
[08:04] <orlok> gmm, the cars seem to be stopped on the roads closest the beach
[08:04] <orlok> so i guess the maps are pretty accurate
[08:04] <Gnea> they'll have to be fast, that thing is trapped in the sea's outgoing current
[08:04] <Gnea> or it might be a lost cause
[08:05] <Gnea> can't tell what happened to darkside
[08:05] <Gnea> mechanical failure?
[08:06] <andysa6> They lost connection at pne point
[08:06] <andysa6> one
[08:06] <andysa6> about 1/2 ago
[08:06] <andysa6> on my track, they all just reappeared a few minutes ago
[08:07] <Gnea> ok
[08:07] <orlok> i love the way the descent curve looks
[08:07] <earthshine> What a shame it landed in the drink
[08:07] <andysa6> And to think... they are doing this all again tomorrow
[08:07] <orlok> wtf
[08:07] <orlok> not watching bahurst?
[08:08] <kd0mto> bahurst?
[08:08] <andysa6> Bathurst is tomorrow?
[08:08] <orlok> thought it was, i dont actually like it these days heh
[08:08] <orlok> kd0mto: car race
[08:08] <Gnea> oh, the race?
[08:09] <kd0mto> orlok: Touring cars... I'm so jealous.
[08:09] <orlok> yeah, they get to turn both ways
[08:10] Action: kd0mto nods
[08:10] <kd0mto> I hate nascar.
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[08:10] <stefan> and watch for flying kangaroos too
[08:10] <orlok> though i dont like the fact that its all now specially built cars, i prefer the old production series, but i think i remember us having this conversation before heh
[08:10] Action: kd0mto is a le mans fan
[08:11] <fenta23> oh, it`s swimming back to the coast:-)
[08:11] <kd0mto> yay!
[08:11] <fenta23> what do you think?
[08:11] <Gnea> woot!
[08:11] <Gnea> looks like someone swam out there for it
[08:11] Action: orlok ponders setting up the telescope
[08:11] <Gnea> at 2km/s
[08:12] <orlok> not sure if its going to haze over
[08:12] <Gnea> er, 2km/h
[08:12] <kd0mto> hehehe
[08:13] <Gnea> heh yeah, don't know anyone whos legs can kick THAT fast
[08:13] <orlok> Gnea: easy, turn the TV on
[08:13] <earthshine> Hmm.. weird. I'm not receiving the UKHAS mailing list.
[08:14] <Gnea> orlok: 2km/s swimming?
[08:14] <orlok> oh
[08:14] <orlok> /s
[08:14] <Gnea> :)
[08:14] <orlok> man i'm sick of the sports on tv
[08:15] <Gnea> I don't watch much tv
[08:15] <kd0mto> orlok: Same here, except ice hockey.
[08:15] <orlok> kd0mto: Commonwealth Games are on, blergh
[08:16] <orlok> though its kinda like a train wreck, cant stop watching
[08:16] <kd0mto> hahahaha
[08:16] <kd0mto> Sounds like me and sports fest back in my old home town.
[08:17] <orlok> its been stuffup after stuffup, even the weigh-in machine for the boxes was miscalibrated, some of them had gone tothe sauna, etc etc to try and get under weight
[08:17] <fenta23> so, what happened to darkside?
[08:17] <orlok> until a coach cracked it and weighed a 50kg weightlifters weight and it came out a few kilos high
[08:17] <orlok> bridge fell down, etc
[08:18] <kd0mto> wow
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[08:19] <earthshine> How to I increase the map size on spacenear.us ?
[08:20] <earthshine> nm found it
[08:20] <kd0mto> awesome
[08:21] <orlok> i can just imagine them either standing on thebeach swearing
[08:21] <orlok> or doorknocking looking for somebody with a jet ski
[08:22] <Gnea> lol
[08:22] <Gnea> yeah
[08:23] <orlok> no jettys there that i can see
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[08:23] <Gnea> hard to tell from this angle
[08:23] <earthshine> isnt it nighttime there?
[08:23] <orlok> nope
[08:24] <Gnea> about 6:23pm
[08:24] <Gnea> should still be sunlight
[08:24] <orlok> http://www.bom.gov.au/gms/IDE00006.latest.shtml
[08:24] <orlok> you can see the terminator there
[08:24] <Gnea> it's closing in
[08:24] <earthshine> cool
[08:25] <Gnea> so that's, what, about 1 hour worth of sun left?
[08:27] <earthshine> 2
[08:27] <fenta23> so, the game is over? or still some hope?
[08:28] <Darkside> ok
[08:28] <Darkside> we havfe it
[08:28] <Darkside> terry went in the water
[08:29] <Darkside> we have it
[08:29] <Darkside> terry swum out 500m
[08:29] <Darkside> tell more later
[08:29] <orlok> awesome!
[08:30] <Gnea> Darkside: excellent
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[08:31] <Upu> lol
[08:31] <Upu> another water recovery :)
[08:33] <andysa6> much water damage?
[08:37] <Darkside> to be determined
[08:37] <Darkside> we are more concerned with terry
[08:38] <Gnea> get that guy some water and a sandwich
[08:38] <Gnea> terry++
[08:39] <earthshine> What's up with Terry ?
[08:39] <Upu> he just swam out to get payload
[08:39] <Gnea> 500m isn't an easy swim
[08:39] <earthshine> wtf
[08:39] <Upu> which is quite something else lol
[08:39] <earthshine> he's nuts
[08:39] <Gnea> yeah
[08:39] <earthshine> Should fit a propellor and rudder on it next time
[08:40] <Upu> pictures I assume ? :) Not that I want to see a wet terry , I don't even know who terry is but sounds kinda cool
[08:40] <Gnea> easier said than done
[08:40] <fenta23> congratulation, nice to read that you get the stuff out of the sea...
[08:42] <Gnea> Darkside: 500m, that was one way?
[08:43] <earthshine> he hasn't come back alive yet
[08:43] <earthshine> they have sharks in Oz you know
[08:43] <Darkside> Gnea: more than 500m
[08:43] <Darkside> and thats one way
[08:43] <andysa6> he must be a good swimmer
[08:43] <Darkside> the same to get back, but we got a kayak out too
[08:43] <Darkside> he is a very good swimmer
[08:43] <Darkside> yes terry is ok
[08:44] <Gnea> I would imagine so
[08:44] <andysa6> so well done gentlemen, yet another successful day
[08:44] <Gnea> yes, quite the tale, impressive :)
[08:44] <Upu> thats one to tell down at the pub in 10 years time :)
[08:44] <andysa6> we will look forward to the writeup. Its sure to be a good one
[08:45] <orlok> terrys last name isnt kerr is it?
[08:45] <Gnea> is there another site beside spacenear.us where it'll be at?
[08:45] <andysa6> projecthorus.org
[08:45] <Gnea> ty
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[09:18] <fsphil> oh nice, quite a few listeners in .au
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[09:44] <kladol> hi@all
[09:45] <fsphil> hi kladol
[09:49] <kladol> hi
[09:50] <kladol> a launch comming up near London ?
[09:51] <fsphil> yes there should be one any time now, though there's been no word yet
[09:51] <jonsowman> nobody heard anything yet?
[09:52] <Upu> no keeping an eye
[09:52] <jonsowman> fsphil: looking alright for HADIE tomorrow?
[09:52] <jonsowman> Upu: cool :)
[09:52] <Upu> Nothing on the tracker yet
[09:52] <Upu> Suppose to be at 1000
[09:52] <fsphil> I got up early and everything :)
[09:52] <jonsowman> hehe
[09:52] <fsphil> jonsowman, so far but I've a lot to do today
[09:52] <Upu> weathers a bit crap
[09:53] <Upu> stop talking to us and go get it sorted fsphil :)
[09:53] <jonsowman> haha
[09:53] <fsphil> I'm soldering as we speak ;)
[09:53] <jonsowman> what's left to do?
[09:53] <fsphil> the big iffy is still the gas, I can get it but they're not sure if they can get the bit that goes onto the top to release it
[09:54] <fsphil> I don't know the names of these things...
[09:54] <fsphil> really should have got it last week
[09:54] <jonsowman> regulator I guess
[09:54] <fsphil> that sounds about right
[09:54] <fsphil> I have one but I don't know if it will fit
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[09:55] <jonsowman> do you know the cylinder type?
[09:55] <Darkside> all driving bacl
[09:55] <Darkside> back
[09:55] <Darkside> man im tired
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[09:55] <fsphil> afraid not, just the standard boc one I guess?
[09:55] <jonsowman> capacity?
[09:56] <jonsowman> if I had to guess I'd say L-type
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[09:56] <fsphil> T
[09:56] <jonsowman> cool okay
[09:56] <jonsowman> what size balloon, out of interest?
[09:56] <fsphil> 3.6m*3, which I'm guessing is more than enough
[09:57] <fsphil> 1000g
[09:57] <jonsowman> yeah that'll be fine
[09:57] <jonsowman> you'd be cutting it fine if you were using a 1500g
[09:57] <fsphil> yea
[09:57] <jonsowman> hmm well I know the connection type
[09:57] <jonsowman> can you like, take a picture of your regulator or something?
[09:57] <jonsowman> or does it have a model number?
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[09:58] <fsphil> hmm.. nothing on it .. I don't have my camera until later, will take a pic then
[09:58] <jonsowman> cool ok
[09:58] <fsphil> I might bring it up to the shop and let them see it, hopefully they'll know
[09:58] <fsphil> or have found their
[09:58] <jonsowman> yeah
[09:58] <fsphil> +s
[09:59] <fsphil> all the card shops here only have the little small canisters
[09:59] <jonsowman> yeah
[10:00] <jonsowman> we bought a 10l cylinder extra for Apex II just in case
[10:00] <fsphil> that's quite a bit
[10:00] <earthshine> Morning
[10:00] <earthshine> Is today's launch still going ahead?
[10:00] <jonsowman> & we didn't need it
[10:00] <jonsowman> typical
[10:00] <fsphil> can I be cheeky and ask how much?
[10:00] <jonsowman> hang on, I'll find out
[10:01] <fsphil> morning earthshine, and yep seems to be still on
[10:01] <jonsowman> £50 + £40 refundable deposit
[10:01] <fsphil> though it's running late
[10:01] <earthshine> Current launch on UKHAS website is something back in July
[10:01] <jonsowman> earthshine: did you get James' email?
[10:01] <earthshine> nope
[10:01] <fsphil> jonsowman, how many cubic metres would thatb e?
[10:02] <jonsowman> I think we worked it out using ideal gas relationships, which comes out at like 1.5m**3
[10:02] <jonsowman> assuming 1) cyl. is at 200bar
[10:02] <jonsowman> 2) helium is at ambient temp inside the cyl
[10:02] <jonsowman> 1) is supposed to be correct, we don't know whether it was
[10:03] <jonsowman> no idea on 2)
[10:03] <jonsowman> it seems like it should be correct, but I don't really know
[10:03] <earthshine> what email?
[10:03] <jonsowman> earthshine: are you on the UKHAS mailing list?
[10:04] <fsphil> they quoted me £70+vat for the T sized cylinder
[10:04] <jonsowman> not too bad really
[10:04] <fsphil> yea
[10:04] <fsphil> the guy thought I was nuts though :)
[10:04] <jonsowman> you'll be fine with that volume for a 1000g certainly
[10:04] <jonsowman> haha
[10:04] <earthshine> For some reason the last UKHAS email I got was 8th September
[10:04] <fsphil> "How many balloons are you filling? One??"
[10:04] <jonsowman> hehe
[10:05] <fsphil> I suppose I could sell some party balloons with what's left over
[10:05] <jonsowman> earthshine: forwarding address? not that the email says that much
[10:06] <fsphil> hiya M0DTS, didn't see you sneak in there
[10:06] <earthshine> i didnt get the email
[10:06] <jonsowman> sorry, I meant do you have an email address so I can forward it to you
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[10:07] <fsphil> probably stuck in the tubes
[10:07] <jonsowman> they do that
[10:09] <fsphil> the filling adapter is just pvc pipe and duct tape yea?
[10:09] <jonsowman> you need a regulator really
[10:09] <jonsowman> though it's possible to do it with the main reg on the top of the cylinder
[10:09] <jonsowman> apparently
[10:10] <jonsowman> I can't advise on whether that's a good idea or not
[10:10] <fsphil> I'll try not too
[10:10] <fsphil> http://ukhas.org.uk/ideas:balloon_filler
[10:10] <fsphil> I didn't pay much attention when the cirrus guys build this
[10:11] <fsphil> was busy with some last minute hacking in the car
[10:11] <jonsowman> hehe
[10:12] <jonsowman> at CUSF we open the 2nd reg fully, then use the main canister reg to regulate flow
[10:12] <jonsowman> but I think that's because our reg is a bit dodgy, so we just use it as a restrictor
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[10:17] <fsphil> ah so the canister itself has something to limit the flow
[10:18] <jonsowman> yep it's got a screw reg on the top
[10:18] <jonsowman> but I don't know if it's good enough on its own
[10:21] <fsphil> I'd be wary of doing that, considering the pressure when it's full
[10:21] <jonsowman> indeed
[10:21] <jonsowman> probably not advisable
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[10:23] <earthshine> Anyone know what frequency this launch is on today ?
[10:23] <earthshine> Their website is sadly lacking in any technical details
[10:24] <fsphil> icarus is usually 434.075
[10:25] <fsphil> quite there this-morning, just the odd beeps and clicks
[10:27] <fsphil> it's amazing the difference not having a 10 metre RG-58 extension makes at 70cm
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[10:43] <earthshine> So what happened to the 10am launch?
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[11:33] <fsphil> hmm, they're very late
[11:33] <earthshine> They are launching from CUSF right ?
[11:33] <fsphil> yep
[11:33] <earthshine> Is anyone in this channel t hat is down there with them?
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[11:34] <jonsowman> not from CUSF
[11:34] <earthshine> Anyone at all ?
[11:34] <jonsowman> launch from Bourn Aerodrome
[11:34] <fsphil> oh that's right, near cambridge
[11:34] <fsphil> sorry
[11:35] <earthshine> So is there no-one in here that will be able to give us an update or even tell us when they are about to launch?
[11:35] <jonsowman> not afaik
[11:35] <jonsowman> I don't have a contact number for rjh
[11:35] <earthshine> So do they not want people to help with tracking then?
[11:36] <jonsowman> I guess they probably do
[11:36] <jonsowman> I don't really know much about how this is being coordinated as it's a commercial launchh
[11:36] <earthshine> I thought it was a school project
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[11:37] <jonsowman> this
[11:37] <jonsowman> http://projectspaceplanes.com/
[11:37] <earthshine> blah it's just a Samsung marketing tool
[11:37] Nick change: dave1 -> Guest43045
[11:37] <jonsowman> inded
[11:37] <jonsowman> s/e/ee/
[11:37] <earthshine> ok what does that mean?
[11:38] <jonsowman> hehe I was correcting my spelling mistake
[11:38] <earthshine> and the 's'
[11:38] <earthshine> ?
[11:38] <jonsowman> it's a regular expression
[11:39] <earthshine> ok
[11:39] <DanielRichman> yeah I thought it was a bit weird that projectspaceplanes don't even tell us who "they" are
[11:39] <DanielRichman> just keep on saying "we" "we" "we"
[11:39] <Upu> anyone been in touch with him ?
[11:39] <earthshine> Not one single technical detail on their website
[11:40] <jonsowman> I seem to remember Rob saying it's a fairly standard radio tracker
[11:40] <Upu> Projectlitterthecambridgecountryside.com more like :)
[11:40] <jonsowman> 50baud RTTY on 70cms etc
[11:40] <DanielRichman> there's a giant picture of steve on the site
[11:40] <jonsowman> haha
[11:40] <earthshine> In fact no details at all - not even an email address
[11:40] <jonsowman> it is Giant
[11:40] <Upu> it'll just be the Icarus payload won't it ?
[11:40] <DanielRichman> I vageuly remember seeing an email address somewhere
[11:41] <jonsowman> Upu: maybe. I've no idea
[11:41] <jonsowman> Rob was talking about it in this channel 2/3 days ago
[11:41] <jonsowman> if anyone can be bothered to look through logs
[11:41] <jonsowman> (I can't)
[11:41] <Upu> yeah I understood tihis was a test launch
[11:42] <earthshine> incredibly secretive
[11:42] <Upu> Nah I think from the sounds of it Rob's been very busy lately, death in the family lots of commercial launches
[11:42] <Upu> he was offering the commercial ones out
[11:43] <Upu> someone is giving him an EOS 50D to fly up
[11:43] <earthshine> Nice
[11:43] <Upu> with an ultra wide lense
[11:43] <jonsowman> brb
[11:44] <Upu> wouldn't mind helping with that one actually sounds like a fun project
[11:44] <Upu> 822g less the lense
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[11:55] <fsphil> I like that the online RSGB survey has the question "Do you have a computer? Yes / No"
[11:56] <SpeedEvil> Well - you could be in a library
[11:56] <SpeedEvil> I was recently using the internet on a library.
[11:56] <fsphil> ah true enough, the next question did ask that
[11:57] <SpeedEvil> Admittedly on my phone, as I couldn't be bothered signing up on a computer.
[11:57] <SpeedEvil> Royal Society for Geriatric Beekeepers?
[11:58] <earthshine> Really Stupid Girl Bands ?
[11:58] <fsphil> there's any other kind?
[11:59] <earthshine> true
[12:00] Action: SpeedEvil ponders Tatu.
[12:00] Action: SpeedEvil puts on Nena - 99 luftbalons.
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[12:01] <earthshine> Why is google saying Happy 70th Birthday to John Lennon? Do they not realise he is dead?
[12:05] <m1x10> lol
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[12:06] <earthshine> There's not much chance of him reaching his 70th birthday
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[12:43] <shenki> Darkside: are any of the pics online yet?
[12:53] <jonsowman> hmm, well all's quiet from Bourn Aerodrome
[12:53] <jonsowman> assume nobody's heard anything yet?
[12:53] <Randomskk> could get the radio here set up but we don't exactly know what frequency to tune to
[12:53] <Randomskk> could just leave it scanning 434
[12:53] <jonsowman> exactly
[12:53] <jonsowman> could do
[12:53] <jonsowman> whilst we do materials
[12:53] <jonsowman> \o/
[12:53] <Randomskk> it has a scan mode, I believe
[12:53] <Randomskk> woo materials
[12:53] <jonsowman> yea
[12:53] <jonsowman> really
[12:53] <Randomskk> breakfast and then I'll be right over
[12:54] <jonsowman> ok np :)
[12:55] <DanielRichman> s/breakfast/brunch/
[12:55] <Randomskk> true, I can just about call it brunch and not sound so completely awful
[12:55] <jonsowman> haha
[12:55] <jonsowman> :D
[12:55] <Randomskk> I didn't set an alarm and woke up at 1pm, D:
[12:55] <DanielRichman> not that I object, I'm guilty too
[12:55] <DanielRichman> though a couple of hours earlier
[12:55] <Randomskk> perhaps two days of lectures took way more out of me than I expected
[12:55] <Randomskk> oh well at least I am quite awake now
[12:56] <jonsowman> I got up at 10. though my moral high ground is slightly ruined by the fact I didn't do anything useful
[12:56] <jonsowman> so really I should just have slept
[12:56] <fsphil> lunchfast
[12:56] <jonsowman> hehe
[12:56] <Randomskk> I guess if you split breakfast into component words it can apply at any point in the day
[12:58] <Randomskk> ooh. The Social Network is out on Friday
[13:00] <jonsowman> excellent
[13:00] <jonsowman> have to find time to go see that
[13:00] <jonsowman> see what all the RT-fuss is about
[13:11] <Upu> no launch then ?
[13:12] <DanielRichman> haven't seen one
[13:12] <DanielRichman> fsphil: are you launching tomorrow?
[13:14] <W0OTM> HELLO
[13:14] <jonsowman> HELLO
[13:15] <Upu> is there something on 434.050 ?
[13:15] <Upu> I can hear something sounding like rtty very very faint
[13:16] <fsphil> DanielRichman, so far yea
[13:17] <fsphil> nothing here Upu
[13:17] <fsphil> though I'd be the last to hear it anyway
[13:18] <DanielRichman> "HADIE"?
[13:18] <fsphil> yea
[13:18] <DanielRichman> When's it going to be?
[13:19] <russss> I took my aerial down :/
[13:19] <fsphil> primarily for photos, and testing the live image tx
[13:19] <fsphil> also my first solo flight, so for experience :)
[13:20] <fsphil> oh when, not what --- 11:00
[13:20] <fsphil> though probably just before 12:00
[13:20] <DanielRichman> so 12:00 UTC
[13:21] <fsphil> between 12:00 and 13:00 UTC
[13:21] <fsphil> er
[13:21] <fsphil> no
[13:21] <m1x10> oh
[13:21] <m1x10> nice
[13:21] <fsphil> 11:00 BST is 10:00 UTC isn't it?
[13:21] <russss> no, BST is UTC+1
[13:21] <russss> err yes
[13:21] <russss> even
[13:22] <russss> heh
[13:22] Action: russss is hung over :/
[13:22] <DanielRichman> wa..
[13:22] <fsphil> aye.. so between 10:00 and 11:00 UTC ;-)
[13:22] <DanielRichman> :)
[13:22] <russss> that's the one
[13:22] <fsphil> I'd *like* to launch at 2010/10/10 10:10:10
[13:22] <DanielRichman> do it
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[13:23] <Darkside> ok
[13:23] <fsphil> if I'm ready in time, but I won't rush anything
[13:23] <Darkside> back home now
[13:23] <fsphil> wb Darkside!
[13:23] <Darkside> very interesting day
[13:23] <fsphil> predictions are improving, moving away from the lake: http://habhub.org/predict/#!/uuid=834d92b72ecaa8a4bda40dcc67dd458225bbf69e
[13:24] <fsphil> brb
[13:24] <Darkside> we're not flying tomorrow
[13:24] <Darkside> payload is borked
[13:24] <SpeedEvil> Tiny island is tiny.
[13:24] <SpeedEvil> (in that you have very little distance to the sea on average)
[13:25] Topic changed on #highaltitude by ChanServ!ChanServ@services.: Welcome to #highaltitude - discuss anything to do with high altitude projects (balloons, gliders, etc) www.ukhas.org.uk - Launch Sunday 10/10 10-11:00 UTC: HADIE (N.Ire)
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[13:42] <earthshine> Back from lunch - has it launched yet ?
[13:42] <Upu> negative
[13:42] <Upu> not that we are aware of anyway
[13:42] <earthshine> Anyone any idea why not ?
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[13:58] <Darkside> hey juxta
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[14:20] <jonsowman> Darkside: can your data be cleared from the tracker?
[14:20] <jonsowman> juxta: ditto
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[14:31] <juxta> heya guys
[14:31] <juxta> bed here
[14:32] <juxta> you can clear the tracker I think jonsowman, i took a DB dump already
[14:32] <jonsowman> ta
[14:32] <juxta> now sleep, night all :)
[14:32] <jonsowman> see you
[15:08] <fsphil> sorry guys, the hadie won't fly tomorrow -- complication with the helium
[15:10] Dan-K2VOL (~dbowen1@96-28-238-68.dhcp.insightbb.com) joined #highaltitude.
[15:10] <jonsowman> D:
[15:10] <jonsowman> what happened
[15:11] <Dan-K2VOL> uh oh, that landing site doesn't look dtry
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[15:12] <Darkside> lol
[15:14] <griffonbot> Received email: Philip Heron <phil@sanslogic.co.uk> "Re: Balloon Launches this weekend"
[15:14] <fsphil> jonsowman, I had the cylinder in the boot ready to go, but the BOC sales system refused to sell me it
[15:14] <jonsowman> uh, what?
[15:14] <fsphil> apparently accounts outside of England need setup for difference gasses
[15:14] <fsphil> the account I was using had never ordered helium before
[15:14] <fsphil> and the part of boc I need to talk to is closed. poop
[15:15] <fsphil> sooooo close
[15:15] <jonsowman> oh dear
[15:15] <jonsowman> bad luck :(
[15:16] Topic changed on #highaltitude by ChanServ!ChanServ@services.: Welcome to #highaltitude - discuss anything to do with high altitude projects (balloons, gliders, etc) www.ukhas.org.uk - Launch: HADIE (N.Ire) 16-17th Oct
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[15:18] <fsphil> long range prediction for Saturday: http://habhub.org/predict/#!/uuid=382e3d914d9f8973ba8f802ee23c2dac3e4f2beb
[15:19] <fsphil> actually not too bad, though very close to belfast
[15:19] <jonsowman> also probably wildly inaccurate at this time range
[15:19] <fsphil> yea, the initial prediction for today had it landing near scotland
[15:19] <jonsowman> hehe
[15:20] <Upu> http://ava.upuaut.net/tracker/ iPhone Tracker is working
[15:21] <fsphil> that's neat
[15:22] <fsphil> so it uploads chase car position, and display the map on the iphone?
[15:22] <SpeedEvil> No H2 either?
[15:22] <Upu> yeah
[15:22] <Upu> err
[15:22] <fsphil> SpeedEvil, oddly no - I had a quick look around, plenty of other gas
[15:22] <Upu> no map
[15:23] <Upu> as of yet
[15:24] <fsphil> I might try it out, one of the guys who was to help chase tomorrow has an iphone
[15:27] <fsphil> hmm no word from rjh?
[15:27] <Upu> nothing
[15:28] <fsphil> very odd
[15:28] <Upu> cheers for letting us know about tommorrow pity but no point rushing things
[15:30] <fsphil> yea it does mean I have more time to prepare, though that could be a bad thing too :)
[15:30] <fsphil> I'll still get the payload finished tonight
[15:31] <fsphil> plenty of time to test it then
[15:31] <Darkside> heh
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[15:35] <fsphil> ah just noticed the horus path on the tracker -- what an odd flight
[15:36] <Darkside> yeah
[15:36] <Darkside> we were at the beach, and were watching it land
[15:36] <Darkside> and we knew as soon as we saw it that it was going in the drink
[15:37] <DanielRichman> :-(
[15:37] <Darkside> as soon as terry got there he just stripped of and started swimming out to it
[15:37] <Darkside> and we recovered it!
[15:37] <Darkside> http://www.facebook.com/album.php?aid=94623&id=1144042127&l=4c5fc735d8
[15:37] <DanielRichman> :D
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[15:39] <fsphil> whoa, corrosion already?
[15:39] <Darkside> well there were 8 AA lithiums attached to it, powered on
[15:39] <Darkside> and it was salt water
[15:40] <Darkside> so bad things happen
[15:40] <Darkside> luckily all my boards survived
[15:40] <fsphil> hehe, that's one way to make helium
[15:40] <Darkside> eh?
[15:41] <fsphil> electrolysis
[15:41] <Darkside> lol
[15:41] <Darkside> well i dunno what this generated, but i doubt it was helium
[15:41] <Darkside> you can see what it did to my board tho..
[15:41] <fsphil> yea looks nasty
[15:41] <Darkside> i'm going to need to clean my microcontroller dev-boards with metho every day for a few days, just in ase
[15:41] <Darkside> case*
[15:42] <Darkside> i dont want some crystal forming and bridging power and ground
[15:42] <fsphil> any good reception reports of the HF signal?
[15:42] <Darkside> well, it was heard about 400km away
[15:42] <Darkside> but that was when it was 32km up
[15:42] <fsphil> ah line of site
[15:42] <Darkside> well, when it was at 6km too
[15:42] <Darkside> but yeah
[15:42] <Darkside> mostly line of sight
[15:43] <Darkside> i was only doing 40mW, so skywave was a bit much to ask for
[15:43] <fsphil> at 300 baud, definitely
[15:43] <Darkside> maybe next time, when i'll completely waterproof my payload :P
[15:44] <Darkside> this time i could have done it, but ended up using masking take instead of duct tape
[15:44] <Darkside> fsphil: ahh its possible to do it...
[15:44] <Darkside> but its pushing it
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[15:44] <Darkside> if i was going for skywave telemetry, then i;d be using dominoEX or something
[15:44] <DanielRichman> what were you using? rtty?
[15:44] <Darkside> yeah
[15:45] <Darkside> 300 baud rtty
[15:45] <Darkside> worked perfectly
[15:45] <DanielRichman> :)
[15:45] <fsphil> was there any fading as the payload spun? like there is with uhf?
[15:45] <Darkside> nope
[15:45] <Darkside> the antennas were vertical
[15:45] <fsphil> sometimes the payload isn't
[15:45] <Darkside> heh
[15:45] <Darkside> in this case it was
[15:45] <fsphil> nice smooth flight
[15:46] <Darkside> since my payload was between the balloon and juxta's payload, the antenna was straight
[15:46] <Darkside> maybe on a little angle
[15:46] <fsphil> on our last flight the signal would fade as the payload bounced around
[15:46] <Darkside> but not enough to cause problems
[15:46] <Darkside> nah, we had no problsm wtih fading
[15:46] <Darkside> juxta's payload didnt have gps lock for the firstfew km of ascent, but after that it was fine
[15:46] <fsphil> I suppose a good weight above the payload would help stabilise everything below it
[15:47] <Darkside> we had both payloads transmitting telemetry, and quite a few people tracking
[15:47] <Darkside> had one guy track my HF payload until right before it landed, when it dipped below a hill, and he must have lost the signal
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[15:54] <Laurenceb> http://hackaday.com/2010/10/09/pulling-data-from-the-im-me-spectrum-analyzer/#comments
[15:54] <Laurenceb> always
[15:54] <Laurenceb> whenever i do something its already been done or being done
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[15:55] <SpeedEvil> It's much more annoying when you do it, or invent it, and then find that someone patents it a year or three later.
[15:56] <SpeedEvil> Found the other day a scribble on a bit of A4 perfectly outlining the principles of a dual acting pistonless propellant pump.
[15:56] <SpeedEvil> Which I later came across the patent for.
[15:59] <DagoRed> So... did the payloads get recovered?
[15:59] <DagoRed> Darkside?
[16:02] <Darkside> yes
[16:02] <Darkside> both of them
[16:02] <Darkside> juxta's got a lot of water in it
[16:02] <SpeedEvil> :) :(
[16:04] <Laurenceb> http://www.space.com/news/satellite-radio-interference-battle-101008.html <-fail
[16:04] <Laurenceb> everyone said that would happen
[16:05] <SpeedEvil> I diddn't.
[16:06] <DanielRichman> what, people said that that specififc sat would fail due to interference, or they said that interference in general was going to cause problems?
[16:06] <Laurenceb> that the whole idea behind the sat was stupid
[16:06] <Laurenceb> due to the level of interference
[16:07] <SpeedEvil> I wonder if there is an analog of the 'world at night' map from NASA
[16:07] <SpeedEvil> 'World at night in radio'
[16:07] Action: SpeedEvil ponders solar power again.
[16:08] <SpeedEvil> Bare cells are durprisingly cheap on ebay.
[16:08] <SpeedEvil> http://cgi.ebay.co.uk/Almost-Whole-3-BUS-BAR-Solar-Cells-1-25kg-High-Current-/170547686748?pt=LH_DefaultDomain_0&hash=item27b56f2d5c
[16:08] <SpeedEvil> especially somewhat damaged
[16:11] <DagoRed> Darkside: I'm glad to hear they're both recovered. That was really fun to watch. I'm surprised how burst just didn't happen as predicted.
[16:14] <Laurenceb> SpeedEvil: youre a gnuplot expert right?
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[16:15] <SpeedEvil> No.
[16:15] <Laurenceb> i have a series of x,y,z values like 1.000000 7.000000 89.143464
[16:15] <Laurenceb> i want to do a coloured plot
[16:15] <SpeedEvil> splot
[16:15] <Laurenceb> http://t16web.lanl.gov/Kawano/gnuplot/plotpm3d-e.html
[16:15] <Laurenceb> yeah, it works ok for 3d scatter type plot
[16:15] <Darkside> ok sleep time for me..
[16:15] <Darkside> looong day
[16:16] <SpeedEvil> Yeah - I end up reading the docs for all but the most basic stuff.
[16:16] <SpeedEvil> Darkside: Congrats again!
[16:16] <Laurenceb> gnuplot> set pm3d map
[16:16] <Laurenceb> gnuplot> splot "waterfl.dat"
[16:16] <Laurenceb> Warning: Single isoline (scan) is not enough for a pm3d plot.
[16:16] <Laurenceb> Hint: Missing blank lines in the data file? See 'help pm3d' and FAQ.
[16:16] <Laurenceb> thats what happens when i try a 2d colour plot :-/
[16:16] <SpeedEvil> you're supposed to break up the lines
[16:17] <SpeedEvil> the idea is that you have a grid of data
[16:17] <SpeedEvil> Or rather
[16:17] <SpeedEvil> You have a series of lines formed by sequential points.
[16:17] <jcoxon> afternoon
[16:17] <SpeedEvil> You need to split these up
[16:17] <SpeedEvil> By adding a blank line, or you simply have one line
[16:18] <Laurenceb> gnuplot> set view map
[16:18] <Laurenceb> gnuplot> splot "waterfl.dat" with points palette
[16:18] <Laurenceb> got it now
[16:18] <SpeedEvil> Sigh.
[16:18] <SpeedEvil> I need to setup my scope to do FFTs.
[16:19] <SpeedEvil> I wish I could hack on the scope code.
[16:19] <SpeedEvil> It's got the same CPU as I've already got a toolchain setup for.
[16:19] <jcoxon> wow thats a cool flight path
[16:19] <SpeedEvil> But I'm looking at doing the FFT on the PC using exported waveforms.
[16:20] <Laurenceb> http://newsgroups.derkeiler.com/Archive/Comp/comp.graphics.apps.gnuplot/2007-10/msg00119.html
[16:20] <Laurenceb> i dont follow what they mean by breaks between rows
[16:20] <Laurenceb> i insterted /r/n
[16:20] <SpeedEvil> blank lines
[16:20] <SpeedEvil> that
[16:20] <Laurenceb> aha
[16:20] <Laurenceb> /r/n/r/n ?
[16:20] <SpeedEvil> just \n
[16:21] <SpeedEvil> Unless you're on windows.
[16:21] <Laurenceb> no that doesnt work
[16:23] <SpeedEvil> help pm3d is useful
[16:23] <SpeedEvil> Sorry - I'm pointlessly tired - been cleaning guttering on house and garage.
[16:30] <jcoxon> any news from the launch that was meant to happen today from cambridge?
[16:31] <Laurenceb> http://newsgroups.derkeiler.com/Archive/Comp/comp.graphics.apps.gnuplot/2007-10/msg00119.html
[16:31] <Laurenceb> "it doesnt describe a surface " ?!
[16:31] Action: Laurenceb doesnt understand at all
[16:33] <SpeedEvil> pm3d attempts to draw a surface between isolines
[16:33] <SpeedEvil> isolines are sequences of points seperated by blank lines
[16:34] <Laurenceb> whats a blank line?
[16:34] <SpeedEvil> A blank line in the data input
[16:34] <Laurenceb> oh
[16:36] <Laurenceb> as in 1.000000 1.000000 553.772516
[16:36] <Laurenceb> 1.000000 2.000000 157.201772
[16:36] <Laurenceb> doh - a blank line between those two/
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[16:36] <SpeedEvil> yes
[16:37] <Laurenceb> still no luck :(
[16:38] <Laurenceb> its not giving an error - just nothing on the plot
[16:38] <SpeedEvil> U tebd gti hyst yse trhe examples, and then mangle them
[16:38] <SpeedEvil> I tend to just use the examples, and then mangle them.
[16:38] <SpeedEvil> Also, I should look at the screen more.
[16:39] <Laurenceb> http://t16web.lanl.gov/Kawano/gnuplot/plotpm3d-e.html
[16:39] <Laurenceb> here they just use a matrix.. ill try that
[16:43] <Laurenceb> hmm no luck with that :(
[16:46] <SpeedEvil> Are the points ordered?
[16:47] <Laurenceb> yes
[16:47] <Laurenceb> x and y scans
[16:47] <Laurenceb> oh might i be scanning in the wrong order?
[16:51] <SpeedEvil> help splot datafile
[16:51] <SpeedEvil> Single blank records separate datablocks in a `splot` datafile; `splot`
[16:51] <SpeedEvil> ...
[16:53] <Laurenceb> wheres the gnuplot demo directory?
[16:53] <SpeedEvil> dunno
[16:54] <SpeedEvil> I can't look stuff up, my internet is clogged completely with a video stream.
[16:56] <Laurenceb> http://gnuplot.cvs.sourceforge.net/viewvc/gnuplot/gnuplot/demo/glass.dat?revision=1.1.1.1&view=markup
[16:56] <Laurenceb> oh
[16:56] <Laurenceb> you need to divide scan lines with a \n
[16:57] <SpeedEvil> umm - yes.
[17:08] <jcoxon> ping fsphil
[17:12] <fsphil> pong jcoxon
[17:14] <jcoxon> http://spacenear.us/float-prediction/#
[17:14] <jcoxon> proof it can be done...
[17:14] <jcoxon> :-p
[17:15] <fsphil> oh nice, that's much futher south than I expected too
[17:15] <jcoxon> the only issue is that its a little low
[17:15] <jcoxon> 20km bombards the shetlands
[17:17] <fsphil> the distance for the 20km float would be just enough, just needs to head in a better direction
[17:18] <jcoxon> yeah
[17:18] <jcoxon> now just need to build hte payload
[17:21] <fsphil> I should be able to experiment a bit with the hf stuff this week
[17:21] <Laurenceb> http://i.imgur.com/5loHc.png
[17:21] <Laurenceb> finally
[17:21] <Laurenceb> cc1020 baseband ^
[17:23] <SpeedEvil> Is that an actual waterfall?
[17:23] <SpeedEvil> with a broadband noise spike?
[17:24] <Laurenceb> wrong axis
[17:24] <Laurenceb> bottom is time
[17:24] <Laurenceb> yes its a waterfall
[17:25] <SpeedEvil> great!
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[17:25] <SpeedEvil> Now I guess the sensitivity analysis.
[17:27] Action: SpeedEvil is ordering 'new' laptop.
[17:28] <SpeedEvil> Identical with existing one, as I need to take that apart and fix it.
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[17:30] <Laurenceb> how do you increase the png export resolution?
[17:31] <SpeedEvil> umm
[17:31] <SpeedEvil> set terminal resolution
[17:31] <SpeedEvil> or something
[17:31] <SpeedEvil> set terminal png size 1024,7678
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[17:33] <Laurenceb> http://i.imgur.com/nmX8i.png
[17:35] <SpeedEvil> Nice thin line is thin.
[17:35] <Laurenceb> its something from my laptop
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[17:36] <Laurenceb> i moved it further away around slice 1000
[17:37] <Laurenceb> you can see the background level changes as well
[17:38] <SpeedEvil> This is what - ~430MHz?
[17:38] <Laurenceb> also the envelope of the onboard filter - less noise around the top and bottom
[17:38] <Laurenceb> yeah, 434mhz, 10khz bandwidth
[17:39] <Laurenceb> my cp2102 is working fast enough now to go up to 50khz bandwidth
[17:39] <SpeedEvil> Looking good for 'first light'.
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[17:41] <Laurenceb> i think i might try two eval modules at 35khz bandwidth
[17:41] <Laurenceb> with a yagi no one and whip on the other
[17:41] <Laurenceb> and do sidelobe supression
[17:41] <SpeedEvil> Sounds good.
[17:42] <Laurenceb> i got a 2 module kit from mouser
[17:43] <SpeedEvil> tx?
[17:45] <Laurenceb> yes, but im more interested in sdr for hab reception
[17:46] <Laurenceb> hmm the histogram is a bit dodgy
[17:47] <Laurenceb> http://i.imgur.com/pUyoq.png
[17:48] <SpeedEvil> What windowing function?
[17:50] <Laurenceb> for the waterfall? none
[17:54] <m1x10> http://www.nasa.gov/multimedia/isslivestream.asx <-- its getting dark !
[17:55] <Laurenceb> wonder if you could have a complex histogram of the data...
[17:55] <Laurenceb> ie two axis
[17:57] <nathan7> :o
[17:58] <Laurenceb> http://i.imgur.com/wY7Rg.png thats the abs of the complex filter output... doesnt look right
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[17:59] <rjharrison_> ping juxta
[18:00] <jonsowman> Darkside: ping
[18:01] <rjharrison_> hey guys how did juxta do today
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[18:01] Nick change: SpikeUK_ -> SpikeUK
[18:01] <rjharrison_> Hi SpikeUK
[18:01] <rjharrison_> Hey SpeedEvil
[18:02] <SpeedEvil> heay
[18:02] <rjharrison_> juxta: woops
[18:02] <rjharrison_> looks like a dip in sea
[18:02] <rjharrison_> what a track, did the pred suggest that
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[18:03] <SpeedEvil> Laurenceb: the |\ shape looks very suspicious.
[18:04] <Laurenceb> yeah...
[18:04] <Laurenceb> i think its something to do with the way im sampling..
[18:04] <Laurenceb> theres an internal digital downconversion sstep
[18:04] <SpeedEvil> umm...
[18:04] <Laurenceb> then integrate and dump
[18:04] <SpeedEvil> Would occasionally skipping samples do that?
[18:05] <SpeedEvil> No, that would widen the notch too
[18:05] <Laurenceb> im just reflashing the micro to lower the sample rate a tad
[18:05] <Laurenceb> see what that does if anything
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[18:11] <Laurenceb> oh i know
[18:12] <Laurenceb> when i got the really nice bell curve histograms i hadnt configured the ant properly
[18:12] <Laurenceb> so there wasnt real interference, just the internal nise
[18:12] <Laurenceb> that means i wont necessarily see a bell curve ditribution
[18:12] <Laurenceb> or adc values
[18:12] <Laurenceb> thats -part_ of the issue
[18:13] <SpeedEvil> hmm - true.
[18:13] <SpeedEvil> I suppose you don't have an actual spectrum analyser.
[18:14] <Laurenceb> nope
[18:14] <fsphil> hi rjharrison_ one of the team swam out and recovered it
[18:15] <SpeedEvil> If you've got a payload, throw payload in oven - or mostly shielded box - and listen to it
[18:17] <Laurenceb> its partly an aliasing effect from how gnuplot does histograms
[18:17] <SpeedEvil> ah
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[18:18] <rjharrison_> fsphil a first then
[18:18] <rjharrison_> Cool
[18:18] <rjharrison_> Well the airplane launch had to be teatherd today but all went well
[18:19] <fsphil> yea we had been wondering about that :)
[18:19] <rjharrison_> so should be a full launch in the next few weeks subject to wx
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[18:19] <Upu> we were looking out wondering when you were launching rjharrison :)
[18:21] <natrium42> juxta is crazy :D
[18:21] <rjharrison_> Upu soory about that
[18:21] <natrium42> swimming 500m one way and then back
[18:21] <Upu> no problems
[18:21] <natrium42> to get payload
[18:21] <rjharrison_> bad wind put us over bedford
[18:22] <Upu> You need a hand on this Canon launch btw ?
[18:22] <Upu> I have heaps of payload construction stuff left
[18:22] <Laurenceb> http://i.imgur.com/BMxZR.png
[18:22] <Laurenceb> got rind of a lot of the issues - thats the abs of the complex downconvertor output
[18:22] <Upu> phone back in 5
[18:23] <SpeedEvil> That looks more 'real'
[18:23] <Laurenceb> i think i may try massively oversampling the registers to see what they are actually doing
[18:23] <Laurenceb> maybe buffer to sram then down out a few hundered samples ove rht eusb
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[18:24] <jonsowman> natrium42: had a issue with the tracker today
[18:24] <natrium42> LIES
[18:24] <jonsowman> haha
[18:24] <natrium42> what issue?
[18:25] <jonsowman> because there were so many positions, firefox just ran out of memory
[18:25] <natrium42> ah, right
[18:25] <jonsowman> and the ajax request never completed to update the last position update ID
[18:25] <natrium42> use chrome :D
[18:25] <jonsowman> so kept asking for the whole dataset and used several GB of bandwidth
[18:25] <natrium42> ah, wow
[18:26] <jonsowman> suggest hard coding max_positions to like 5000 instead of unlimited
[18:26] <jonsowman> so it will get positions 5000 at a time
[18:28] <Upu> back
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[18:58] <Laurenceb> doh
[18:58] <Laurenceb> wondered my i had just recorded 6MB of 0x00
[18:58] <Laurenceb> MOSI line had come out of my breadboard
[18:58] <Laurenceb> *why
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[19:00] <SpeedEvil> :)
[19:00] <Laurenceb> wow gedit will let you view a file as its created
[19:01] <Laurenceb> i can just dump from /dev/ttyUSB0 and view it by scrolling down really fast :D
[19:02] <jonsowman> why not `tail -f /dev/ttyUSB0` ?
[19:02] <Laurenceb> i was just saying its a neat feature of gedit
[19:03] <jonsowman> ah I see :)
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[20:10] <Laurenceb> SpeedEvil: it was the spi parasisitc capacitance screwing things up
[20:10] <Laurenceb> i was running the spi at 10mhz with some resistors on it to allow the programmer to operate without a contention
[20:11] <Laurenceb> bit were sort of getting merged together
[20:13] <Laurenceb> http://i.imgur.com/MJNLk.png
[20:14] <Laurenceb> me walking around the room - different interference sources seem to be fading in/out
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[20:31] <Myke_0> pop yet?
[20:31] <Myke_0> looks like it
[20:32] <Myke_0> what happened to the red one?
[20:36] <DagoRed> spashed
[20:36] <DagoRed> I think they swam after it a bit.
[20:36] <SpeedEvil> :)
[20:36] <Myke_0> bleh
[20:36] <SpeedEvil> ->lau
[20:37] <SpeedEvil> Laurenceb: neat!
[20:37] <Myke_0> I'm guessing the GPS on the blue one broke when it hit the ground?
[20:37] <Laurenceb> ooh looks close
[20:37] <Laurenceb> might just miss the water
[20:38] <Laurenceb> http://i.imgur.com/6woR7.png <- looks like a clk off my lcd
[20:39] <Laurenceb> or maybe image refreshing
[20:39] <Laurenceb> i need to find a way to process the data in real time a chuck it to dl-fldigi
[20:40] <SpeedEvil> Some screen patterns of LVDS are much more prominent
[20:41] <SpeedEvil> www.cl.cam.ac.uk/~mgk25/pet2004-fpd.pdf
[20:41] <SpeedEvil> Funky
[20:44] <Laurenceb> the histogram looks ok now
[20:45] <Laurenceb> wow
[20:49] <Laurenceb> thats very impressive
[20:49] <Laurenceb> http://i.imgur.com/V59OX.png
[20:50] <Laurenceb> ^ smoothed spectrum averaged over 30seconds or so
[20:50] <Randomskk> Laurenceb: what do you think of a small single PCB quadcopter?
[20:50] <Laurenceb> one strong signal with two large sidebands and a smaller wider bandwidth signal with two sidebands
[20:51] <SpeedEvil> That is what - the ... noise floor in your area, somewhat averaging out short-term nois.
[20:51] <Laurenceb> i worry about vibration
[20:51] <Laurenceb> yes
[20:51] <Randomskk> I was concerned about that to an extent, wondering if small silicone gromments for the motor mounting screws could help
[20:51] <Laurenceb> i think those three to the left are lcd for sure
[20:51] <Randomskk> but some amount of vibration could be filtered out in software
[20:51] <SpeedEvil> Turn it off
[20:51] <Laurenceb> Randomskk: u suppose
[20:51] <Laurenceb> SpeedEvil: doh
[20:51] <Laurenceb> ok course
[20:52] <Laurenceb> why didnt i think of that
[20:52] <Laurenceb> Randomskk: yeah, depends how sophisticated the internal filtering is
[20:52] <Laurenceb> i suspect its pretty good
[20:52] <Randomskk> seems like you could really really put the cost down
[20:52] <Laurenceb> - onboard the accels before it comes into the i2c register
[20:58] <Laurenceb> http://i.imgur.com/Ah0KM.png <-lcd closeup
[20:58] Action: Laurenceb wonders how hard it would be to do image reconstruction
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[21:03] <jcoxon> evening all
[21:03] <jonsowman> evening jcoxon
[21:03] <jcoxon> the launch today from cambridge was postponed because prediction was landing in an urban area
[21:04] <jonsowman> oh right
[21:04] <jcoxon> didn't feel like bombarding bedford
[21:04] <jonsowman> understandable
[21:05] <SpeedEvil> Laurenceb: I don't think you have enough info.
[21:05] <SpeedEvil> Laurenceb: you've got the frequency components, but not enough bandwidth to resolve them into an image.
[21:05] <Laurenceb> yeah
[21:05] <Laurenceb> i can only gwet up to 50khz with the current setup
[21:06] <Laurenceb> maybe 100 to 200khz with hardware usb
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[21:27] <SpeedEvil> http://www.dyson.com/fans/ funky
[21:27] Action: SpeedEvil is wandering around Argos, looking at stuff.
[21:31] <Laurenceb> at this time ?!
[21:32] <SpeedEvil> I have a van, and a crowbar.
[21:32] <SpeedEvil> OTOH - argos.co.uk
[21:34] <SpeedEvil> Pondering if I want to do the cheap crap route, or the 'manufacturers 5 year guarantee' route. OBHAS - I'm going to use the freezer to put a small -50 chamber in.
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[21:35] <Myke_0> hmm
[21:35] <Myke_0> could you get a metal sphere to float at a high alt without exploding?
[21:36] <SpeedEvil> yes
[21:36] <SpeedEvil> I've been planning a foil superpressure natural gas baloon.
[21:36] <Myke_0> would you be able to suspend it in the higher atmosphere so that it just will float there indefinitely (that is... if helium didn't like to leak through so many things)
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[21:37] <SpeedEvil> yes.
[21:37] <SpeedEvil> If you get it above the troposphere
[21:37] <Myke_0> awesome
[21:37] <SpeedEvil> So it's not affected by thunderstorms.
[21:37] <Myke_0> mm
[21:38] <SpeedEvil> And you also need it to withstand thermal cycles.
[21:38] <Myke_0> k
[21:38] <SpeedEvil> As well as some pressure cycling
[21:38] <Myke_0> sure
[21:38] <Myke_0> I would stick solar cells on the top and a GPS unit on the bottom so that it would be a giant ball just floating around
[21:38] <Myke_0> :D
[21:38] <SpeedEvil> It's quite far from trivial
[21:39] <Myke_0> I realize
[21:39] <Laurenceb> fatigue
[21:39] <Laurenceb> tstress causing rips
[21:39] <Laurenceb> alu doesnt seem practical
[21:39] <fsphil> the balloon itself might shield the gps on the bottom
[21:39] <SpeedEvil> I'm unsure.
[21:39] <SpeedEvil> I haven't done the numbers.
[21:40] <SpeedEvil> Stainless foil is available too, but is a couple of orders of magnitude more expensive.
[21:40] <SpeedEvil> Maybe 3
[21:40] <SpeedEvil> Also thicker
[21:40] <Myke_0> fsphil, hmm... then I could design an antenna for the top?
[21:40] <SpeedEvil> I should do the numbers properly.
[21:40] <SpeedEvil> You don't need to see up
[21:40] <SpeedEvil> just use a looong string.
[21:42] <m1x10> hi
[21:43] <DagoRed> hi
[21:43] <m1x10> SpeedEvil, fsphil is launching tomorrow?
[21:43] <fsphil> afraid not m1x10, no helium until monday
[21:43] <m1x10> oh
[21:43] <m1x10> :(
[21:43] <SpeedEvil> Do you have house gas?
[21:43] <m1x10> why u cant find helium?
[21:44] <SpeedEvil> Should be good to at least 20km or more.
[21:44] <fsphil> I found it but they wouldn't sell me it :) not until monday anyway .. silly accounting stuff
[21:44] <fsphil> No house gas either
[21:46] <m1x10> mhhhhh
[21:48] <Laurenceb> http://i.imgur.com/njY73.png <-lcd on/off
[21:50] <SpeedEvil> Off is the middle?
[21:50] <SpeedEvil> yeah - looks quite broadbadn
[21:53] <Laurenceb> bbl
[21:53] <m1x10> Goodddd night all
[21:53] <m1x10> !
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[22:02] <jcoxon> night all
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[23:45] <juxta> hullo all :)
[23:46] <juxta> jonsowman, rjharrison_, etc: pong
[23:47] <jonsowman> no worries juxta was just checking clearing the tracker was okay
[23:47] <jonsowman> am disappearing now
[23:47] <juxta> haha
[23:47] <juxta> okie doke
[23:47] <jonsowman> catch you later
[23:47] <juxta> cya :)
[00:00] --- Sun Oct 10 2010