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[00:06] <eroomde> Spoz: semiconductor effect has a lower bound
[00:06] <eroomde> eg -60C
[00:07] <eroomde> hence you dont often see them rated lower than -55C
[00:07] <eroomde> resistence increases at the hot end too, hence you don;t often see above say 150C
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[00:08] <eroomde> within that there are limits imposed by sing slightly cheaper or more expensive materials and various other things
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[00:16] <Spoz> yeah I find it interesting that one transistor (for example) will be rated to -40 while another of the same type might be only -10
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[00:48] Action: bertrik is receiving and decoding weather balloon data right now, with an R820T rtlsdr stick
[00:49] <bertrik> surprised it actually works, considering the poor antenne I'm using
[00:50] <fsphil> I keep meaning to track the local one
[00:50] <bertrik> about 25 km up now, at -55 degrees C
[00:50] <bertrik> unfortunately I haven't figured out how to get the position data with sondemonitor
[00:51] <jarod> bertrik freq? decoding what/how?
[00:52] <bertrik> jarod: 403.9 MHz like I mentioned earlier, demodulating as narrow-FM at about 5.5 kHz bandwidth, decoding with sondemonitor from COAA
[00:53] <lz1dev> fsphil: http://habhub.org/mt
[00:53] <jarod> cool, freewave?
[00:55] <bertrik> jarod: no, it's trialware
[00:55] <bertrik> unfortunately
[00:56] <jarod> ok
[00:56] <jarod> i go sleepware :D
[00:56] <bertrik> oh, it burst, now at -15 m/s
[00:56] <jarod> laters!
[00:57] <jarod> ok quick look then :P
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[00:57] <bertrik> jarod: good idea
[00:57] <jarod> wow strong
[00:58] <bertrik> I think the easterly wind blew the thing in my direction from its launch location (which I guess is De Bilt)
[00:58] <bertrik> jarod: you're receiving it too?
[00:58] <jarod> ya very srtong
[00:59] <jarod> what to do in sondemonitor?
[01:00] <bertrik> press the play icon, next to the open file icon, top-left
[01:00] <jarod> i did
[01:00] <jarod> and then?
[01:00] <jarod> i see waves in view?
[01:01] <bertrik> right-click opens a window with reception stuff
[01:01] <jarod> where?
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[01:02] <bertrik> hm, not sure now how I got this, but I have a seperate small window with different kinds of reception data
[01:02] <jarod> http://x264.nl/dump/52-2205/403.900mhz-baloon.jpg
[01:02] <jarod> strong enough?
[01:03] <jarod> Ballon burst undefined?
[01:03] <jarod> http://x264.nl/dump/52-2205/403.900mhz-ballon.jpg
[01:04] <jarod> bertrik Sonde finder?
[01:04] <bertrik> no, maybe just stop it with the stop icon (square), select the SGP icon, then start again
[01:05] <jarod> ah got a window now
[01:05] <bertrik> if you zoom in, I think you can configure the freq and filter more accurately
[01:05] <bertrik> zoom in in sdr# I mean
[01:05] <jarod> ya
[01:05] <jarod> bandwidth about 5000 then ?
[01:06] <bertrik> yes, something like that, I use 5500 now
[01:06] <bertrik> hm, temperature is still -54 or so at 11 km, does that look about right?
[01:07] <jarod> its calibrating
[01:07] <bertrik> takes a minute or so
[01:07] <jarod> 94% stuck
[01:08] <jarod> ah 07&
[01:08] <jarod> 97%
[01:09] <jarod> do you make selection a little smaller then the transmitted data?
[01:09] <jarod> ah 100% now :D
[01:10] <bertrik> jarod: in sdr# I made the bandwidth just enough to cover both peaks 4800 Hz apart
[01:11] <bertrik> oh, I get humidity/dew point information now (didn't show before)
[01:11] <jarod> http://x264.nl/dump/52-2205/403.900mhz-vaisala-sgp-sonde.jpg
[01:12] <jarod> you get gps info?
[01:12] <bertrik> no
[01:13] <jarod> my bandwidth: 6590
[01:14] <jarod> so now what? :P
[01:15] <jarod> http://x264.nl/dump/52-2205/403.900mhz-vaisala-sgp-sonde.jpg refresh, all dots green
[01:17] <bertrik> I'll wait until it lands , try to send the raw data to pe2g and then sleep :)
[01:17] <bertrik> I think PE2G knows how to post-process the raw data to get the position, and I think he is also very keen on trying to recover the thing
[01:18] <jarod> i been recording iq file for 8 mins
[01:18] <jarod> then it quick
[01:18] <jarod> quit
[01:18] <bertrik> the signal is now so strong that I'm seeing all kinds of sidebands
[01:18] <bertrik> hope it doesn't "land" at sea
[01:19] <jarod> yup it dropped 2km already :)
[01:20] <bertrik> my plans to go to sleep early today have failed :)
[01:22] <jarod> same
[01:22] <jarod> thanks alot
[01:23] <bertrik> very strong fading right now
[01:23] <jarod> 3.8km, still strong
[01:23] <jarod> around -48db here
[01:23] <jarod> 37.2db rf gain
[01:24] <jarod> wow it was at 8.7km
[01:25] <jarod> http://x264.nl/dump/52-2205/403.900mhz-vaisala-sgp-sonde-6900m.jpg
[01:25] <jarod> http://x264.nl/dump/52-2205/403.900mhz-vaisala-sgp-sonde-8715m.jpg
[01:25] <jarod> 3km now
[01:26] <jarod> http://x264.nl/dump/52-2205/403.900mhz-vaisala-sgp-sonde-2767m.jpg
[01:26] <jarod> :)
[01:28] <jarod> topic
[01:29] <jarod> 1824m
[01:30] <bertrik> it went up to 25 km or so
[01:30] <jarod> wow nice
[01:30] <jarod> dialy?
[01:30] <jarod> 1500m... you still got it as well?
[01:31] <bertrik> yes, 1200m but getting weaker
[01:32] <jarod> still -48db here
[01:32] <jarod> NOW weaker
[01:32] <jarod> fading starts now
[01:32] <bertrik> coming down at -4.7 m/s
[01:33] <jarod> 816m
[01:33] <bertrik> getting very weak, no valid decodes, last frame for me was 9150
[01:33] <jarod> 753m 9160 frame :P
[01:33] <jarod> 651m
[01:33] <bertrik> 640m...
[01:34] <jarod> 651m lowest here
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[01:34] <bertrik> 389m for me now
[01:35] <jarod> http://x264.nl/dump/52-2205/403.900mhz-vaisala-sgp-sonde-651m.jpg
[01:35] <jarod> where you at?
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[01:35] <bertrik> I'm in Gouda
[01:35] <jarod> ah
[01:35] <bertrik> just getting noise now, but I can still see it in the waterfall
[01:35] <jarod> its gone now in Amsterdam
[01:35] <Lunar_Lander> evening to Holland :)
[01:35] <jarod> waterfall fade out
[01:36] <jarod> its close to you :)
[01:36] <Lunar_Lander> bertrik, how is the city?
[01:36] <jarod> sleep now!
[01:36] <jarod> laters
[01:36] <Lunar_Lander> everyone of course knows the cheese, but no one here knows about how the city is like
[01:36] <bertrik> Lunar_Lander: quiet, a bit boring to be honest :)
[01:37] <Lunar_Lander> oh ok
[01:37] <Lunar_Lander> night jarod
[01:37] <bertrik> Gouda is just a small city, about 60k inhabitants or so
[01:37] <Lunar_Lander> yea
[01:37] <Lunar_Lander> still the cheese is a world success :)
[01:39] <Lunar_Lander> cool your city seal says "per aspera ad astra"
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[04:28] <arko> evening gents
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[05:06] <Spoz> bazooka antenna built!
[05:07] <Spoz> it looks too small to work at hundreds of km
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[07:34] <Spoz> no 300 ohm ribbon cable available here
[07:34] <Spoz> that means I need to come up with another antenna for my payload
[07:35] <Spoz> quarter wave monopole with a ground plane perhaps?
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[07:55] <SpeedEvil> 300r ribbon can be made from wire and tape
[07:58] <Spoz> do you think homemade cable would perform as well as another antenna type
[08:00] <Darkside> Spoz: use a 1/4 wave monopole if you can
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[08:13] <Spoz> just when I convinced myself I could build a slimjim from copper wire
[08:13] <Spoz> monopole is probably easier anyway
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[08:14] <Spoz> I can just connect that straight to the ntx2 right, I dont need any impedance matching?
[08:14] <Darkside> yeah, connect it directly
[08:14] <Darkside> (via coax)
[08:14] <Darkside> or whatever
[08:14] <Spoz> cool
[08:15] <Darkside> the impedance of a 1/4 wave monopole is around 50 ohms anyway
[08:22] <Spoz> what do you think of my receiving antenna?
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[08:24] <Spoz> http://www.iw5edi.com/ham-radio/?the-vertical-bazooka-antenna,18
[08:25] <Spoz> one of those
[08:25] <Spoz> except with RG58
[08:25] <Spoz> I just left a 2.5m lead on it and I'll put an SMA straight on the end
[08:29] <griffonbot> Received email: Anthony Stirk "[UKHAS] Re: Possible Pico Launch Sunday 13/01/13"
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[09:30] <craag> Shame about Upu's flight. It's a lovely blue sky here, albeit with a slight lack of thermal energy around.
[09:32] <SpeedEvil> snowy here
[09:32] <craag> Scotland?
[09:34] <eroomde> blue here too
[09:34] <eroomde> it's heading north
[09:34] <SpeedEvil> yes.
[09:34] <UpuWork> well keeping an eye on it
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[09:36] <number10> was about to take antenna down - I'll wait a while
[09:37] <eroomde> what's everyone up to this sunday otherwise?
[09:38] Action: jcoxon is going to try and listen into the next iss pass
[09:38] <jcoxon> though i think the packet might be off :-p
[09:38] <number10> logs on the fire and relax today
[09:39] <eroomde> nice
[09:39] <eroomde> i would like a fire
[09:39] <eroomde> something to work up to
[09:39] <SpeedEvil> https://www.youtube.com/watch?v=7ED-ZzSG0AA&feature=youtube_gdata_player
[09:39] <SpeedEvil> candle physics
[09:39] <number10> it is nice
[09:39] <eroomde> maybe have the wood-fired oven inside the living room
[09:40] <eroomde> in my hypothetical future house
[09:42] <number10> quite a few houses in suffolk/N-Essex used to have ovens on the side of open fires
[09:43] <eroomde> mmm, my friends have an old tudor house with a big fireplace which has a bread oven
[09:43] <eroomde> they've never used it though
[09:43] <eroomde> i think they're worried it might bring the whole house down :)
[09:43] <number10> :)
[09:43] <number10> I have some chestnuts to roast
[09:44] <number10> a small pan with long handle
[09:44] <eroomde> oh nice :)
[09:44] <eroomde> do you prick them first or do you enjoy the risk of detonation?
[09:46] <number10> just a small slit with knife
[09:50] <eroomde> i'm just going to do a bit of packing and domestic stuff
[09:51] <eroomde> but going to a pizza with some friends this evening at the pizza place in london that i like more than is appropriate for a pizza place
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[09:51] <Darkside> eroomde: that place?
[09:52] <Darkside> the one you took me to?
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[09:53] <eroomde> no need to publicise our surreptitious redevous
[09:53] <eroomde> rendevous*
[09:53] <eroomde> but yes
[09:53] <Darkside> that pizza was pretty awesome
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[09:55] <number10> where is the place (not that I go to london these days)
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[09:56] <bertrik> jarod: awake yet? I got a position from the sonde we monitored last night
[09:57] <eroomde> number10: there are a few of them now, but my favourite is the one in Chiswick
[09:57] <eroomde> Franco Manca
[09:57] <eroomde> there's one at stratford westfield centre but it involves going inside a westfield centre
[09:57] <G0MJW-PC> Pizza ? Where !
[09:57] <number10> I'll take a note
[09:58] <bertrik> jarod: it landed near Schoonhoven, south of the Lek
[09:58] <eroomde> G0MJW-PC: franco manca in chicwick. best pizza i've ever had in the UK
[09:58] <eroomde> let me find a little video review
[09:59] <eroomde> http://www.guardian.co.uk/lifeandstyle/wordofmouth/video/2010/feb/17/how-to-make-perfect-pizza
[10:00] <eroomde> they sell sourdough loves from their oven too. very deep, tangy beerey flavour and keeps well for like a week
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[10:04] <x-f> bertrik, how did you get the position? i tried downloading the almanac and rinex files, but they didn't really work for me
[10:05] <number10> thats handy - I can go to the science museum and pop on the district line for a pizza
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[10:06] <eroomde> that's exactly what i did in reverse for a work outing a few months ago
[10:06] <bertrik> x-f: I asked other people do get the position for me :)
[10:07] <eroomde> we drove from oxford down to chicwick and parked up there, had sunday lunch at FM, then districted to the science museum
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[10:07] <eroomde> and held a vigil under black arrow
[10:07] <eroomde> actually since then doug millard, who is the science museum's space and engineering curator, has come to visit westcott
[10:08] <eroomde> and he's going to let us go through the black arrow archives they have at some huga facility in swindon
[10:08] <x-f> bertrik, that's cheating :)
[10:08] <eroomde> we're quite interested in seeing what a balck-arrow size vehicle now could do with modern materials, rocket science, and electronics
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[10:08] <eroomde> and it's of a scale we could built at westcott
[10:08] <fsphil> won't let you borrow black arrow itself then?
[10:08] Nick change: Shric -> Guest45323
[10:09] <eroomde> and we're building gamma 2 size engines for something else anyway
[10:09] <fsphil> it's a shame that never flew
[10:09] <eroomde> so...
[10:09] <eroomde> it did fly!
[10:09] <fsphil> the one in the museum
[10:09] <eroomde> oh
[10:09] <eroomde> well
[10:09] <eroomde> by definition they have to have not flown to be on display :)
[10:10] <number10> :)
[10:10] <fsphil> it being on display is sad :)
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[10:10] <number10> sounds like the science museum may be a little different to when I went in the 70s
[10:10] <fsphil> but it was nice to see it
[10:11] <number10> I need to convince Mrs10 to go - I think she would like the pizza
[10:11] <fsphil> it, the V2 and the NASA Scout rocket where the first proper rockets I've ever seen
[10:11] <number10> there is a V1 at duxford
[10:13] <number10> my dad got a close up of the v1 - didnt quite see it but felt it
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[10:14] <eroomde> number10: without being unduly sexist or historicogendernormative or whatever one could accuse me of, the V&A museum is just next door and might keep both of your happy at your respective museums
[10:14] <Randomskk> eroomde: have you been to V&A? they had a whole thing on "Making" recently inc 3d printers and the like
[10:15] <eroomde> i haven't been in the last year
[10:15] <eroomde> is it still on?
[10:15] <Randomskk> still not quite the science museum though :P
[10:15] <Randomskk> don't think so, not sure
[10:15] <Randomskk> yea, the website about it is all past tense
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[10:17] <eroomde> oh well
[10:17] <Randomskk> did you see the google thing at the science museum basement?
[10:18] <Randomskk> it was kinda weird
[10:18] <Randomskk> huge basement floor, all done by google
[10:18] <Randomskk> but not actually... very interesting
[10:18] <Randomskk> and the perpetual curse of interactivity in museums: broken exhibits
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[10:21] <eroomde> the thing with lots of lighting and touch screens?
[10:21] <Randomskk> yes. and the computer vision card thing.
[10:21] <Randomskk> and google's logo everywhere
[10:21] <Randomskk> and every display was really about google?
[10:21] <eroomde> yes i didn't really see what i meant to see when i had a quick look round there
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[10:23] <fsphil> I went down there and queued for a few minutes, then decided it wasn't worth it
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[10:29] <chrisg7ogx> nice and still on the south coast
[10:33] <chrisg7ogx> lots of ice and stuff coming though.. not good balloon weather :@(
[10:33] <fsphil> I've not dared look outside yet :)
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[10:34] <eroomde> it's been clearing up here over the last hour too
[10:34] <eroomde> i might go for a walk with my camera
[10:35] <fsphil> urg, just did. wet and grey
[10:35] <fsphil> wish I hadn't now
[10:35] <fsphil> in my head it was a nice clear day with frost
[10:36] <number10> last walk i did in the lake districk http://www.flickr.com/photos/65839734@N04/8332521959/lightbox/
[10:36] <eroomde> number10: lol
[10:36] <eroomde> not bad :)
[10:36] <bertrik> it's excellent winter weather right now in the netherlands, clear sky with a nice sun, temperature around 0
[10:36] <fsphil> definitely above 0 here
[10:36] <number10> spelling is getting worse
[10:37] <number10> how did I put a k on the end if district
[10:37] <Hix> if :)
[10:38] <number10> indded - will say no more now x-f :( going to put antenna down
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[10:39] <fsphil> I can't make fun of bad spelling.. that would be hypnocriticl
[10:39] <Hix> :)
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[10:42] <eroomde> bte tonight on bbc peeps
[10:42] <eroomde> part 2 of a documentary about people from the uk going to bonneville speed week
[10:42] <eroomde> part one was last week and very good
[10:42] <eroomde> worth iplayering
[10:44] <daveake> Ah that was good. I lolled at one guy who lived in a house with his bikes and bike parts. "Do you see yourself having female company in fture?". "Not f-ing likely" he replied, and then after a few seconds "Unless she's a bloody good welder"
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[10:44] <eroomde> yes i laughed at that too :)
[10:46] <daveake> And on BBC4 tonight it's "Patrick Moore Night"
[10:51] <chrisstubbs> Hey guys, who should I contact to have my payload put on spacenearus (for testing only)? I have generated the payload config and have FLdigi set up ready to go :)
[10:52] <daveake> That's a DIY job
[10:52] <daveake> http://habitat.habhub.org/genpayload/
[10:52] <daveake> So if you've done that you're done
[10:53] <chrisstubbs> So i just need to file the flight doc and it will pop straight up?
[10:53] <Randomskk> if you've filed the payload config it'l pop up already
[10:53] <daveake> No you only need the payload doc
[10:53] <Randomskk> you don't need a flight doc until you're actually flying
[10:53] <daveake> You don't need a flight doc
[10:54] <eroomde> echo
[10:54] <eroomde> ...o...
[10:55] Last message repeated 1 time(s).
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[10:56] <chrisstubbs> Ok i will give it a go, cheers
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[10:58] <fsphil> turns out it was snowing here at about 6am
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[11:01] <G0MJW-PC> Sorry - AMSAT net 80m kills ADSL
[11:02] <chrisstubbs> I have fldigi running in HAB mode, selected my payload from the "all payloads(testing)" menu and hit "autoconfigure". Strings are decoding fine and it says they are uploading
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[11:02] <chrisstubbs> But nothing on spacenearus :( What have i missed?
[11:03] <daveake> " Incorrect number of fields (got 7, expect 8)
[11:03] <daveake> "
[11:04] <daveake> When it fails to upload to the map, first check http://habitat.habhub.org/logtail/
[11:04] <daveake> So your sentence doesn't match the payload doc
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[11:08] <chrisstubbs> Ah think i might have the problem
[11:08] <chrisstubbs> $$NSE,62,110527,51.000000,00.000000,65,8,573*A8A4\n"
[11:08] <chrisstubbs> could it be the /n? (forget the ")
[11:10] <daveake> No you have 7 fields (count/lat/long/alt/something/something) and your doc has 8
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[11:13] <chrisstubbs> Ahhhh missed the battery voltage on the flight doc! gotcha
[11:14] <daveake> Not sure that's right - the flight doc has *more8 fields than your actual sentence
[11:15] <fsphil> http://i.imgur.com/kofSU.jpg
[11:15] <fsphil> engage
[11:15] <Darkside> http://rfhead.net/?p=496
[11:18] <fsphil> that's a rather nifty idea
[11:18] <fsphil> capture the fox
[11:18] <Darkside> heh
[11:18] <Darkside> that's a good name foor it
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[11:23] <chrisstubbs> daveake: working now thanks, and yes i had removed heading & speed and added battery voltage since last updating the document!
[11:23] <daveake> :)
[11:23] <daveake> Yeah I saw it pop up on the map just now; well done!
[11:30] <Hix> Anyone got any good references or examples for using SorfwareSerial to debug when using GPS on the only HW Serial line?
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[11:32] <eroomde> amo box would make a great payload case
[11:33] <eroomde> oh shut up predictor
[11:36] <domlin> morning all
[11:36] <fsphil> morn!
[11:38] <radim_OM2AMR> morning fsphil, just one question regarding fswebcam, can I ?
[11:39] <fsphil> sure, fire away
[11:39] <radim_OM2AMR> is there any option to set exposition time in fswebcam ? I see, that snow is not good for cam :-(
[11:40] <radim_OM2AMR> or brightness maybe
[11:41] <fsphil> if the camera offers it, it can be set with the "--set" argument
[11:41] <daveake> Check out "-s" in "man fswebcam" :)
[11:42] <fsphil> you can list the controls by running with --list-controls
[11:42] <radim_OM2AMR> ok, thanks to both :-) I will try it
[11:42] <fsphil> some cameras have auto-brightness, but fswebcam takes the picture too soon for that to work
[11:42] <domlin> does any usb tv tuner function as an SDR if it has the RTL2832U chip? or are there other requirements
[11:43] <fsphil> in that case you can delay capture or skip frames until it is finished
[11:43] <chrisstubbs> hix: have you had a play around with the softwareserial example sketch?
[11:43] <radim_OM2AMR> it seems that this one doesn't have auto-brightness
[11:43] <radim_OM2AMR> ok, I'll go to try it
[11:44] <radim_OM2AMR> thanks
[11:44] <fsphil> I got a cheap webcam from tescos a while back, and no matter what brightness I set it at it couldn't see outside
[11:44] <fsphil> I ended up putting sunglasses on it
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[11:46] Action: daveake hums ZZ Top song
[11:46] <radim_OM2AMR> :-) that will be the last option :-)
[11:47] <fsphil> heya lz1dev. just admiring your handiwork
[11:47] <craag> domlin: As far as I know, yes.
[11:48] <lz1dev> fsphil: thanks
[11:49] <craag> Different Tuner chips (in front of the rtl2832) will give different frequency ranges.
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[11:50] <craag> domlin: A good list here: http://www.reddit.com/r/RTLSDR/comments/s6ddo/rtlsdr_compatibility_list_v2_work_in_progress/
[11:55] <Hix> chrisstubbs, just had a look through, but it's not really that clear to me. I sort of get it, but not enough to employ it
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[11:57] <chrisstubbs> Hix: switch to PM
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[12:01] <number10> had the watson w50 outside for a couple of weeks was interested to see the radial screw threads had started to get some corrosion - have you put sealant on your Upu
[12:01] <number10> +s
[12:05] <eroomde> emails from virgin atlantic. one week to go!
[12:05] <eroomde> had better pull my finger out
[12:06] <number10> is this your trip to LA eroomde
[12:07] <eroomde> who 'ole continent
[12:08] <eroomde> except not really
[12:08] <eroomde> NYC->chicago->SF->LA
[12:08] <eroomde> about 1 week in each
[12:08] <number10> holiday or work related?
[12:09] <eroomde> holiday
[12:09] <Hix> chicago should be fun at this tie of year, I was in detroit a few years back and the dry cold turned my hands into crazy paving
[12:09] <number10> get a flu jab before you go to NY they have a bit of a problem at the mo
[12:10] <eroomde> my reward to myself for working my bum off last year (no holiday, worked usually one or both of the weekend days, lived and breathed rockets)
[12:10] <eroomde> Hix: yeah indeed, i'm taking the same clothes as when i went to the arctic circlw
[12:10] <Hix> get some neutrogena hand cream, and some lip salve
[12:10] <Hix> lest you crack up
[12:11] <eroomde> ok
[12:11] <eroomde> and a flu jab
[12:12] <Hix> alcohol kills flu ;p
[12:12] <number10> http://www.bbc.co.uk/news/world-us-canada-21002381
[12:12] <eroomde> i think i linked toa different version of this yesterday but this is impressive enough to be worth the off topic link
[12:12] <eroomde> https://www.youtube.com/watch?v=S33tWZqXhnk
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[12:17] <fsphil> Hix: that doesn't sound like a proper medical opinion :)
[12:17] <eroomde> mmm, and my experiences of drinking with 'flu would go against this advice too
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[12:19] <Hix> fsphil, well it's not exactly govt sanctioned advice :)
[12:23] <fsphil> why would any website limit the length of my password
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[12:33] <OZ1SKY_Brian> hi
[12:35] STRATODEAN_Mark (568b6510@gateway/web/freenode/ip. joined #highaltitude.
[12:36] <STRATODEAN_Mark> Just wondering if anyone had a favourite place to buy their styrofoam boxes from?
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[12:39] <eroomde> usually it's more local
[12:39] <eroomde> that you use the word 'styrofoam' instead of 'polystyrene' suggests that my uk-based advice won't be much use to you :)
[12:39] <eroomde> try ebay
[12:41] <fsphil> I use solid sheets rather than boxes -- more work but the results are neater. except for the polystyrene everywhere from cutting it
[12:43] <STRATODEAN_Mark> sorry I am UK based! Maybe I do mean polystyrene
[12:43] <STRATODEAN_Mark> !
[12:47] <Hix> my work phone battery just died - it was charged on the 2nd. honetsly what's wrong with phone mfrs these days ;p
[12:47] <cuddykid> STRATODEAN_Mark: for my first payload - I got a box from here: http://www.jbpackaging.co.uk/polystyrene-boxes.html
[12:47] <fsphil> my wildfire lasts about a day if I don't use it
[12:48] <STRATODEAN_Mark> Ok thanks I will have a look
[12:48] <cuddykid> STRATODEAN_Mark: then I've just made them out of sheets from: http://www.hindleys.com/index.php/materials/plastics-foam/sheet/styrofoam-high-density-polystyrene-foam.html
[12:48] <cuddykid> *since then
[12:49] <STRATODEAN_Mark> Ah cool, just a case of duct taping it together is it?
[12:49] <Hix> UHU Por will stick it
[12:50] <Hix> http://www.modelshop.co.uk/uhu-por-styrofoam-adhesive-40g-4127-p.asp
[12:52] <daveake> I'll vote for the pink/blue stuff e.g. what cuddykid linked to, over the white gets-everywhere-when-you-cut-it stuff
[12:52] <cuddykid> yep, the white stuff makes a horrific mess.
[12:52] <fsphil> +1
[12:52] <Hix> hotwire cutting isn't so messy
[12:53] <cuddykid> true
[12:53] <daveake> Also you can cut it neatly with a sharp craft kife
[12:53] <Hix> plus you can make funky shapes easily
[12:53] <cuddykid> lighter too
[12:54] <fsphil> does it let air through?
[12:54] <daveake> no
[12:54] <daveake> FOr foam cuttres, something like this works well http://www.ebay.co.uk/itm/HOT-WIRE-FOAM-P0YSTYRENE-DEPRON-CUTTER-TWO-IN-ONE-WITH-POWER-NEW-/261154201955?pt=UK_ToysGames_RadioControlled_JN&hash=item3cce00e163
[12:54] <fsphil> hmm.. I might need to try some
[12:54] <fsphil> I'm nearly out of the existing grey stuff
[12:55] <daveake> It's heavier, but then it's stronger so you can use thinner sheets
[12:55] <cuddykid> I made a DIY foam cutter& that was quite fun until the battery pack kind of exploded :/
[12:55] <daveake> It's definitely easier to work with, and a neater result
[12:56] <fsphil> hmm.. could stick a small knife on the end of a soldering iron
[12:56] <daveake> Just removed the 3rd row of seats from the Shogun. Now it's got Spaaaaace
[12:56] <number10> bread knife works - dont tell mrs10
[12:56] <STRATODEAN_Mark> Thanks very much guys!
[12:56] <daveake> hah
[12:57] <fsphil> eek
[12:57] <cuddykid> yeah, I use a bread knife now that I stole from the kitchen :D
[12:57] <fsphil> "honey does this toast taste... polystyrenene to you?"
[12:57] <daveake> Another top don't-tell-the-wife tip - to cut a round hole e.g. for a camera, use a pstry cutter
[12:57] <cuddykid> lol
[12:57] <BrainDamage> get a big chunky transformer to power the hot wire cutter, you don't even need rectification or anything
[12:58] <daveake> Actually we didn't have any so I bought some. Very cheap (£1 IIRC)
[12:58] <fsphil> my hot wire cutter has a nice big 5v supply
[12:58] <cuddykid> daveake: I'll remember that, it's always a bit of a pain cutting camera holes
[12:58] <daveake> yup
[12:58] <fsphil> yea
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[12:59] <daveake> wot i got --? http://www.ebay.co.uk/itm/ROUND-Pastry-Cake-Decorating-Polymer-Clay-Cutters-/270952828494?pt=UK_Crafts_PapercraftTools_RL&hash=item3f160c0e4e
[13:00] <fsphil> I'd be surprised if dx.com doesn't have them for 20p
[13:00] <daveake> :)
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[13:01] <daveake> well they don't :)
[13:01] <fsphil> dx.com don't have something. it's the end!
[13:01] <daveake> Thay don't have them for 20p, that is :)
[13:01] <fsphil> phew
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[13:05] <radim_OM2AMR> fsphil, so it looks, that here is no option for Exposure in my webcam, I have use your idea with the sunglasses
[13:05] <SpeedEvil> for polystyrene. I don't recommend a bread knife
[13:05] <jrm73> could anyone help with a NTX2 problem
[13:05] <fsphil> no brightess or contrast either radim_OM2AMR?
[13:05] <SpeedEvil> if you can find one, use a very thin bladed knife, with a sharp edge
[13:06] <SpeedEvil> I have one that's basically a 1mm or so thick bit of stainless, with an edge
[13:06] <radim_OM2AMR> I tweaked contrast and brightness, but with snow there is still overexposured picture
[13:06] <fsphil> I use a stanley knife
[13:06] <fsphil> radim_OM2AMR: try the --skip option, just as a curiosity
[13:06] <SpeedEvil> if you grease it lightly, it is awesome for polystyrene a perfectly clean cut
[13:06] <daveake> So do I. Mind you last time I ended up at the Minor Injuries Unit at the local hospital :/
[13:06] <fsphil> --skip 30 might help
[13:06] <SpeedEvil> same with semi-frozen meat
[13:07] <Hix> whats up jrm73? Had some probs with NTX2 yesterday so may be able to help
[13:08] <eroomde> jrm73: irc etiquette: don't ask to ask a question
[13:08] <eroomde> just ask the question
[13:08] <jrm73> When I use it with a uBlox Max 6 GPS on a Arduino Pro Mini, the carrier wobbles
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[13:10] <Hix> can the pro mini supply enough power for MAX6?
[13:10] <daveake> yes
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[13:10] <eroomde> jrm73: are the gps and the ntx2 bth powered from the pro mini's own regulated 3.3V supply?
[13:11] <eroomde> and do you have an active antenna on the max6?
[13:13] <jrm73> Yes, both sharing the same power from the pro mini, and using a chip antenna.
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[13:14] <Darkside> don't run the NTX2 off the 3.3v supply
[13:15] <Darkside> it has its own regulator, take the load off the pro mini's 3.3v regulator and run the NTX2 straight from the batteyr
[13:17] <jrm73> thanks darkside, ill give that a go.
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[13:21] <eroomde> 2nd that advice
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[13:25] <jrm73> just switched the NTX2 over to raw power and still get the wobble when i power up the GPS
[13:26] <Darkside> leave the gps powered up?
[13:26] <Darkside> it's possible the wobble is due to the VCC rail dropping slightly as the gps is powered up
[13:26] <Hix> is that a decoupling issue?
[13:26] <daveake> Very likely
[13:26] <Darkside> if the VCC rail drops, so will the input to the TXD pin, and hence the output signal
[13:26] <Hix> or just a load spike?
[13:27] <Darkside> sleep time for me..
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[13:30] <jrm73> I can see the VCC is not smooth at all when GPS is powered up, whats the best way to power the GPS?
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[13:33] <Hix> I've got mine off a separate 3v3 reg
[13:34] <Hix> can anyone offer some advice on my parse coding for 'GPS parsing?
[13:36] <Hix> its nearly there but I'm not getting the right data in my string
[13:37] <HA5MI> Just found a cheap RTLSDR dongle on eBay for 8GBP. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=370708368962
[13:40] <Upu> Missing the static protection diode but yeah cheap
[13:40] <Upu> Afternoon OZ1SKY_Brian
[13:44] <OZ1SKY_Brian> Hi Anthony
[13:45] <Upu> nice pics you did well to be in range of that
[13:45] <OZ1SKY_Brian> yeah that was pretty lucky
[13:51] <HA5MI> Upu: Do You know the type of the missing diode?
[13:52] <HA5MI> i will hack in to the antenna plug, i think
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[13:53] <Upu> BAV99
[13:54] <HA5MI> thanks
[13:55] <jcoxon> hey Upu, skys clearer?
[13:56] <Upu> pong jcoxon http://i.imgur.com/jd1nf.jpg
[13:58] <HA5MI> the 1N4148 will be ok instead of the BAV99?
[13:58] <Upu> no idea HA5MI sorry
[13:58] <Hix> if i include alt in my buffer i get the starting defined variable of 0 despoite the following long getAlt(void) {
[13:58] <Hix> char field[10];
[13:58] <Hix> getField(9, field, sizeof(field));
[13:58] <Hix> long altitude = atol(field);
[13:58] <Hix> return altitude;
[13:58] <Hix> }
[13:58] <HA5MI> np, ill look the datasheets deeper ;)
[13:59] <G0MJW-PC> BAV99 is a dual diode in an SMT package
[13:59] <Hix> how do i get the value returned from getAlt into the string?
[13:59] <jcoxon> Upu so yeah?
[13:59] <Upu> clearer but still some heavy large clouds
[13:59] <number10> upu do you have any sealant on the watson radial screws
[14:00] <Upu> nope number10
[14:00] <G0MJW-PC> UP There was me thinging clouds floated
[14:00] <Upu> well they look full of water or snow tbh
[14:00] <number10> just that I had my one out for a week, not very tight - but when I undone the radials they were slightly corroded
[14:00] <G0MJW-PC> Ice more likely.
[14:00] <Upu> big fluffy and grey
[14:00] <Upu> yeah which is why I think I'm going to wait
[14:01] <G0MJW-PC> Makes sense. Wait for what?
[14:01] <Upu> to launch this Pico
[14:01] <Upu> I don't think sending it up into a cloud of ice will help it at all
[14:01] <radim_OM2AMR> fsphil, you are the SSDV king ! :-)
[14:01] <daveake> Hix Is the altitude string a float rather than int?
[14:02] <radim_OM2AMR> skip 30 option helped :-)
[14:02] <radim_OM2AMR> see tiamat, I'm sending snowland there :-)
[14:02] <G0MJW-PC> Is that the one in Marconiville?
[14:02] <HA5MI> G0MJW: The local store's page says: "0.2A 75V SOT-23 SWITCH DUAL trr<6ns BAV99 (NXP) RoHS SER. 2x1N4148 ÝA7Ý" so maybe eq. can be made with 2x 1N4148
[14:03] <G0MJW-PC> You can use 1N4148 but will they fit?
[14:03] <fsphil> that's a lovely sky! I wish we had a bit more snow here
[14:03] <HA5MI> yep, i can put it in the antenna side plug
[14:04] <G0MJW-PC> (No - not in the place of the BAV99, but maybe you can put them on the socket. I assume you don't have a BAV99 to hand but lots of 1N4148s
[14:04] <HA5MI> yep, ~100 at least in the shack ;)
[14:04] <G0MJW-PC> I just bought 100 BAV99s for a low price from Ebay
[14:05] <HA5MI> SOT-6 is kinda pain if not mounted on PCB directly ;)
[14:06] <G0MJW-PC> http://www.ebay.co.uk/itm/230847157791?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 - came in a day or two
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[14:09] <HA5MI> Im far from the UK and China too... always take about a month to get my stuffs
[14:09] <G0MJW-PC> I thought HA was pretty central these days!
[14:10] <HA5MI> not for the eBay sellers ;)
[14:11] <G0MJW-PC> Yes but a boarder with OE and OM and not far from DL and in the EU ought to make getting things quickly quite easy.
[14:14] <HA5MI> did you hear from any balloon shop near me?
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[14:15] <G0MJW-PC> http://www.bwh.hu/ (:
[14:17] <HA5MI> they sells party balloons only ;)
[14:18] <HA5MI> always run to party balloons on my researches
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[14:20] <SP9UOB_Tom> Hi all
[14:20] <SpeedEvil> hi
[14:20] <HA5MI> hi
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[14:21] <G0MJW-PC> Vaisala maybe?
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[14:56] <chrisstubbs> Whats the most popular type of antenna used for transmitting on a payload? Its about time I replaced my bit of wire
[14:56] <daveake> 5 bits of wire :)
[14:56] <daveake> 1/4 wave + 4 radials
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[14:58] <chrisstubbs> yeah i have seen a few payloads with the 4 wires sticking out of the sides, and one out the bottom. What do you usualy make the radials from?
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[14:59] <OZ1SKY_Brian> chrisstubbs this is how i made my antenna, look at the end http://oz1sky.smart-tech.dk/hab/hab.htm
[15:00] <OZ1SKY_Brian> more like the middle of the page
[15:01] <chrisstubbs> Just what im looking for, cheers
[15:02] <daveake> That's pretty much how I do mine
[15:04] <mattbrejza> chrisstubbs: http://users.ecs.soton.ac.uk/mfb2g09/old/box/IMG_2424.JPG
[15:05] <mattbrejza> although the driven is now a continuation of the coax centre
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[15:05] <OZ1SKY_Brian> mattbrejza yes 45deg is even better
[15:06] <Upu> blimey mattbrejza that looks 100% death from above
[15:06] <mattbrejza> that flew with a ping pong ball on the tip, and its now flexable anyway
[15:06] <mattbrejza> the tips are also rounded now
[15:07] <Hix> balls - that'll be the Sarantel parting company with the breakout board then... Arse
[15:07] <Upu> how did you manage that ?
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[15:08] <chrisstubbs> mattbrejza that looks nice! First 3d printed payload ive seen
[15:08] <Hix> caught the usb lead from the arduino as i was reaching for something. fired it across the room. It still has lock though :D
[15:09] <Upu> are the pads still on the PCB ?
[15:09] <mattbrejza> yea im not sure if there have been any other 3d prints (other than the second one i did)
[15:09] <Hix> I'm taking it as a signal to stop my futile attempts to parse GPS and go for a big sunday roast and some pints
[15:10] <Hix> yeah, pcb is ok and there are remnants of leads on antenna so a bit of solder and araldite should have her bak in fine fettle
[15:10] <Upu> if its one of mine Hix and the pads are still the PCB send it back I can repair it
[15:10] <Upu> well you might have damaged the antenna
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[15:10] <Hix> n.p I can handle manual stuff. coding is breaking me though.
[15:11] <chrisstubbs> mattbrejza reprap, rapman or makerbot?
[15:11] <Hix> Still showing lock inside even just resting on the contacts
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[15:11] <fsphil> can't you use tinygps?
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[15:11] <mattbrejza> chrisstubbs: it was a commerical one
[15:11] <Hix> I have been looking at it, but even the test sketch fails
[15:12] <chrisstubbs> Hix did you put the lib files in the right folder?
[15:12] <Hix> I've got something sort of working, though it's not passing the right data. but I am parsing a string of stuff. better than before
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[15:14] <Hix> yeah. C:\Users\Hix\Electronics\Arduino\arduino-1.0.3-windows\arduino-1.0.3\libraries\TinyGPS
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[15:15] <chrisstubbs> Hmm yeah that looks fine
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[15:18] <OZ1SKY_Brian> They just found the GSM/GPS tracker that fell of at 27km alt :-)
[15:18] <OZ1SKY_Brian> it was still working
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[15:18] <daveake> Was it next to a dead cow?
[15:19] <OZ1SKY_Brian> hehe no
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[15:22] <fsphil> any damage?
[15:22] <OZ1SKY_Brian> only to the ground
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[15:27] <daveake> hah
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[15:48] <Adam012> Hello all, my next job for our balloon project is to design and build an adaptor so that we can connect the BOC medium tank to the Hwoyee 1200g balloon. What materials have you had success with and where do you source the parts? Does anyone have any advice of things to look out for/features to add?
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[16:06] <Lunar_Lander> hello
[16:08] <Adam012> Hello all, my next job for our balloon project is to design and build an adaptor so that we can connect the BOC medium tank to the Hwoyee 1200g balloon. What materials have you had success with and where do you source the parts? Does anyone have any advice of things to look out for/features to add?
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[16:09] <griffonbot> Received email: Roberto Zinelli "Re: [UKHAS] DL-FLDIGI question"
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[16:14] <Hix> Getting there - TinyGPS is now working:
[16:14] <Hix> Testing TinyGPS library
[16:14] <Hix> $$Hix,16:13:59,51.68309 ,0.02794 ,41.50
[16:17] <Adam012> Congratulations Hix, are you using the U-blox Max6?
[16:18] <Hix> yes
[16:18] <Hix> with "Modified" Sarantel ;p
[16:18] <Adam012> TinyGPS 10, 11 or 12?
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[16:18] <Adam012> "Modified"?
[16:20] <Hix> Version 12 - i fired the Sarantel across the room earlier when my arm caught a cable.
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[16:20] <Hix> i prefer to look at it as testing :)
[16:21] <Adam012> Does it still work?
[16:21] <Hix> why were you asking about version? I've only just got TinyGPS to work after months
[16:21] <Hix> Yup - fix indoors no problems, so fine for testing - replced for flight obv
[16:22] <Adam012> v11 was only made Arduino 1.0 compatible a little while ago. We looked at using it but couldn't get it working.
[16:23] <Hix> yeah - had loads of grief. ended up trying 0023 but gave up again. Now on 1.0.3 and TGPS12 - all seems tickety boo
[16:23] <Adam012> Did you modify TinyGPS at all?
[16:23] <Hix> It was really annoying the hell out of me
[16:23] <Hix> NO! I'm not going near that :)
[16:23] <Adam012> Which sentences are you using?
[16:24] <Adam012> (NMEA)
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[16:24] <Lunar_Lander> Adam012, as far as I know people made filling adapters with normal bathroom tubing
[16:25] <Hix> I haven't specified any. Tiny GPS just takes the data from the feed. Not looked into the actual code for it yet. Just pleased to have something working
[16:25] <Hix> albeit basic
[16:26] <SP9UOB_Tom> hi Lunar_Lander, how's Your board :) ?
[16:26] <Adam012> We gave up on TinyGPS and have been working on polling the GPS using UBX commands.
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[16:27] <Lunar_Lander> quite well, thanks SP9UOB_Tom :)
[16:27] <Lunar_Lander> tomorrow I'll do a final modification on the temperature sensor cable
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[16:28] <Adam012> It hasn't been easy!
[16:28] <SP9UOB_Tom> Lunar_Lander: look: http://pl.farnell.com/freescale-semiconductor/mpl3115a2/czujnik-cisnienia-20-110kpa/dp/2009084
[16:28] <Hix> Adam012, worth a try with 1.0.3 and 12 - http://arduiniana.org/libraries/tinygps/ I've got it to work now - seems a lot easier to get info from it than interrogating NMEA
[16:28] <SP9UOB_Tom> 20-110KPA
[16:29] <SP9UOB_Tom> Lunar_Lander: great. At early spring i plannigg to build something much bigger ;-)
[16:34] <jcoxon> ping Upu
[16:35] <Upu> evening
[16:35] <jcoxon> we should add one of these to our pico boards
[16:35] <jcoxon> could turn the gps off and just run on altitude for a bit
[16:36] <jcoxon> https://www.sparkfun.com/products/11084
[16:36] <Upu> yeah won't use as much power I guess
[16:37] <SP9UOB_Tom> Upu: microamperes
[16:38] <jcoxon> could have code that if altitude drops 50m it turns the gps back on
[16:38] <Lunar_Lander> SP9UOB_Tom, cool
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[16:42] <jcoxon> haha that pressure sensor can have alarms set
[16:43] <jcoxon> so it triggers an interrupt when it passes an altitude
[16:43] <Upu> Supply Voltage Range: 1.95V to 3.6V
[16:43] <Upu> meh :)
[16:44] <Upu> find a 1.8v one
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[16:44] <jcoxon> so you could power everything down
[16:44] <mattbrejza> whats the upper voltage input on the ublox 1.8V?
[16:44] <jcoxon> apart from the altmeter
[16:45] <Upu> about 2v I think
[16:45] <Upu> however MAX7 is 1.8 to 3.6
[16:46] <Upu> could actually just run it from the batteries
[16:46] <Upu> 1.95V to 3.6V Supply Voltage, internally regulated by LDO
[16:46] <Upu> 1.6V to 3.6V Digital Interface Supply Voltage
[16:47] <mattbrejza> so still best to run at 1.8V if LDO
[16:47] <mattbrejza> but you dont have to buy a different module, and you cant as easily blow it up
[16:48] <mattbrejza> having said that the number of times i sent 3.3V into my 1.8V ublox...
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[17:50] <SP9UOB_Tom> also worth looking: http://www.meas-spec.com/downloads/MS5611-01BA03.pdf 1.8V especially for UPU
[17:50] <SP9UOB_Tom> hi radim_OM2AMR :-)
[17:50] <SP9UOB_Tom> Operating range: 10 to 1200 mbar,
[17:50] <SP9UOB_Tom> -
[17:50] <SP9UOB_Tom> 40 to +85 0
[17:51] <SP9UOB_Tom> C
[17:51] <radim_OM2AMR> Hi tomek
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[17:53] <radim_OM2AMR> SP9UOB_Tom, regarding our STS-2 flight, we are waiting for tomorrows weather prediction, as our gas/ballon sponsor would like to launch during small or no clouds :-(
[17:55] <radim_OM2AMR> I'll let you know tomorrow after 12:00...
[17:55] <SP9UOB_Tom> radim_OM2AMR: :-( Im launching my sputnik-2 in 2 weeks: https://www.facebook.com/media/set/?set=a.588030081222758.152692.100000473142757&type=1
[17:56] <SP9UOB_Tom> radim_OM2AMR: ok, just drop me an e-mail, im ready to go :-)
[17:56] <radim_OM2AMR> ohh, very nice SPUTNIK :-)
[17:57] <radim_OM2AMR> this is my new payload box STS-2 :-) http://stsproject.net/wp-content/uploads/2013/01/sts-2-popis.jpeg
[17:57] <Lunar_Lander> hi radim_OM2AMR
[17:57] <radim_OM2AMR> cheers Lunar
[17:58] <SP9UOB_Tom> radim_OM2AMR: impressive :-)
[17:58] <radim_OM2AMR> heh, heavy one - 1400g with parachute
[17:59] <SP9UOB_Tom> radim_OM2AMR: sputnik is 33 grams with casing
[17:59] <SP9UOB_Tom> :-)
[17:59] <radim_OM2AMR> very nice ! :-)
[17:59] <radim_OM2AMR> I will build also pico payload once :-)
[17:59] <SP9UOB_Tom> radim_OM2AMR: another 100g kaysam and go up
[17:59] <SP9UOB_Tom> ok i must go now (kids)
[17:59] <radim_OM2AMR> here is the video from our sponsor http://tv.sme.sk/v/25936/stratosfericky-modul-je-hotovy.html
[18:00] <radim_OM2AMR> sorry for other guys, in slovak only :-(
[18:01] <Lunar_Lander> xD modul
[18:06] <radim_OM2AMR> heh :-D
[18:07] <radim_OM2AMR> it seems out CAA or better say ATC is doing trouble for HABbing now
[18:08] <radim_OM2AMR> one HAB launched yesterday, guys received just 5 minute launching window and then - they had a call from ATC each 15 minutes regarding balloon position...
[18:10] <SpeedEvil> or the new guy is keen
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[18:11] <radim_OM2AMR> SpeedEvil, or so, we will see on tuestady maybe
[18:11] <radim_OM2AMR> oohh, tuesday
[18:12] <radim_OM2AMR> hmm, kill my keyboard :-|
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[18:30] <SP9UOB_Tom> radim_OM2AMR: slovak for poles isnt hard to understand :-)
[18:30] <SP9UOB_Tom> radim_OM2AMR: as a kid i was watching czech-slowak TV :-)
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[18:33] <Lunar_Lander> a friend of mine once showed me a show he saw in Slovenia and which was called "A Je To"
[18:33] <Lunar_Lander> about two guys who wreck all the things when trying to do something
[18:33] <Lunar_Lander> and the authorities in Prague didn't want the series because the one guy had a red pullover and the other one had a yellow one
[18:33] <bertrik> neighbours of each other, doing DIY home improvement stuff?
[18:34] <SP9UOB_Tom> Lunar_Lander: cartoon ? That was Czech - "neighbours"
[18:34] <Lunar_Lander> and they thought the one guy was supposed to make fun of the USSR and the other one of China
[18:34] <Lunar_Lander> so they went to Bratislava and they agreed to air it
[18:34] <SP9UOB_Tom> http://www.youtube.com/watch?v=GApBq1rhnHQ
[18:34] <Lunar_Lander> https://www.youtube.com/watch?v=uT1ihSv63Rs
[18:34] <SP9UOB_Tom> Lunar_Lander: Slovenia != Slovakia
[18:35] <Lunar_Lander> I know
[18:35] <Lunar_Lander> yea
[18:35] <Lunar_Lander> that it is :)
[18:37] <OZ1SKY_Brian> Is it only here in DK we use 434650 as reapeter out, what is it used for other places?
[18:38] <SP9UOB_Tom> OZ1SKY_Brian: in Poland output 438.0 - 440 offset -7.6 MHz
[18:39] <OZ1SKY_Brian> SP9UOB_Tom yes i only think its in DK,SE and NO we use 600-987.5 for repeater output
[18:39] <OZ1SKY_Brian> our 70cm band is only 432-438
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[18:41] <SP9UOB_Tom> OZ1SKY_Brian: here we have 430-440
[18:42] <OZ1SKY_Brian> like pretty much the rest of europe, here small country, small bandwith LOL
[18:42] <Lunar_Lander> XD!
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[19:01] <OZ1SKY_Brian> SP9UOB, Max. Altitude: 65502 m, really!?
[19:01] <Lunar_Lander> XD
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[19:10] <fsphil> would be nice to require something that works above 65.5km :)
[19:11] <OZ1SKY_Brian> lol
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[19:12] <fsphil> uint32_t
[19:12] <fsphil> some day :)
[19:12] <fsphil> though I suspect someone will beat me to it
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[19:28] <OZ1SKY_Brian> lol love the slogan, it reads "just overtake, we´ll pick you up later" https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-ash4/c0.0.403.403/p403x403/481989_143301029142086_1182660639_n.jpg
[19:29] <fsphil> hah
[19:29] <fsphil> hey, that opened
[19:33] <jcoxon> yay, i've managed to get the Bertos TNC running on 8mhz
[19:34] <griffonbot> Received email: MikeB "Re: [UKHAS] Altimeter"
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[19:39] <OZ1SKY_Brian> jcoxon whats that james?
[19:40] <jcoxon> its an arduino based packet tnc
[19:40] <jcoxon> well its not arduino based
[19:40] <OZ1SKY_Brian> ahh ok i see
[19:40] <jcoxon> its based on another OS called Bertos which runs on atmega328s
[19:41] <OZ1SKY_Brian> please also fly basic tracker, 144800 is terriable here, if thats what you plan :-)
[19:42] <jcoxon> haha
[19:42] <OZ1SKY_Brian> 100% dutycycle, no way to copy weak signals
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[19:48] <OZ1SKY_Brian> jcoxon the one that dumped on the coast of Denmark, did it have any info on it?
[19:48] <jcoxon> OZ1SKY_Brian, no
[19:49] <OZ1SKY_Brian> ok
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[19:52] <jcoxon> OZ1SKY_Brian, so when is your next launch?
[19:52] <OZ1SKY_Brian> easy does it
[19:52] <OZ1SKY_Brian> :-)
[19:53] <OZ1SKY_Brian> maybe in May
[19:53] <OZ1SKY_Brian> Trevor got a 600g spare, if im welcome on it
[19:53] <Laurenceb_> http://imagebin.org/index.php?mode=image&id=242758
[19:54] <Laurenceb_> povray renderings :P
[19:54] <OZ1SKY_Brian> sri whats that Laurenceb?
[19:55] <jcoxon> OZ1SKY_Brian, :-)
[19:55] <jcoxon> i'd use H2 next time
[19:55] <Laurenceb_> a flexipcb based sensor
[19:55] <jcoxon> cheaper
[19:55] <Laurenceb_> doing some renderings of the assembly
[19:55] <OZ1SKY_Brian> James he got a extra tank too
[19:56] <OZ1SKY_Brian> we´ll see
[19:56] <OZ1SKY_Brian> if not, at least i got a flight
[19:57] <OZ1SKY_Brian> im just happy i got to go along this time.
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[20:02] <OZ1SKY_Brian> learned alot of things during this launch, and also about the tracking part
[20:03] <fsphil> I've got half a tank of Helium left, gonna order up another 1600g soon and try the floater again
[20:03] <OZ1SKY_Brian> mobile internet was a killer, need to be better next time, new gsm gear
[20:03] <OZ1SKY_Brian> fsphil ill be waiting to pick up lol
[20:03] <fsphil> hah
[20:03] <fsphil> I hope it does head that way
[20:04] <fsphil> the last one was heading for poland
[20:04] <OZ1SKY_Brian> yeah west would not be good
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[20:04] <fsphil> and was just a bit too far south for you even if the radio had kept going
[20:05] <OZ1SKY_Brian> well could have been possible with abit of tropo
[20:05] <OZ1SKY_Brian> ive picked up one in south germany
[20:05] <fsphil> that's true!
[20:05] <fsphil> I'd forgot about that
[20:06] <OZ1SKY_Brian> ~800km
[20:06] <fsphil> current record
[20:06] <OZ1SKY_Brian> yeah but lucky shoot
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[20:07] <OZ1SKY_Brian> im planing to put up a beam at my new place
[20:07] <fsphil> ah sweet
[20:07] <OZ1SKY_Brian> so i might be able to get a few more launches, they seem to burst just before getting the first gree decode
[20:07] <fsphil> I've been looking at places, and noting how easy it is to put up a couple of yagis :)
[20:07] <fsphil> yea I get that a lot
[20:08] <OZ1SKY_Brian> fsphil we are on the outher rim
[20:08] <OZ1SKY_Brian> outer rim
[20:08] <fsphil> I wonder how high up a launch there would need to get for me to receive it without propagation effects
[20:09] <OZ1SKY_Brian> here?
[20:09] <fsphil> yea. the last one the horizon just got to eastern britian
[20:09] <fsphil> and that was 30km
[20:09] <OZ1SKY_Brian> pretty damn high, would break all records if it could :-)
[20:09] <fsphil> 40km might *just* reach as far as here
[20:10] <OZ1SKY_Brian> how far is it to you from here?
[20:10] <fsphil> what where the launch coordinates?
[20:10] <OZ1SKY_Brian> 40km would only give 824km range
[20:11] <Lunar_Lander> hi Brian!
[20:12] <Lunar_Lander> congrats to you and Trevor on the first Danish HAB!
[20:12] <fsphil> it's almost exactly 1000km from here to Grindsted
[20:13] <fsphil> so no chance without atmosphere woo-woo :)
[20:13] <OZ1SKY_Brian> I would have to go to 60km to reach you :-)
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[20:13] <fsphil> haha
[20:13] <fsphil> go for it!
[20:14] <OZ1SKY_Brian> Ask SP9UOB, he did 65502m acording to the tracker :-)
[20:14] <fsphil> lol
[20:16] <OZ1SKY_Brian> inland UK launches is close to my rx limit here, UK coastline is 700-800km from here
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[20:17] <fsphil> yes that's right on the practical limit
[20:18] <OZ1SKY_Brian> 700km = 30000m and 800km = 37000m
[20:18] <OZ1SKY_Brian> so inland launches is not easy from here
[20:19] <OZ1SKY_Brian> so i normalt only monitor when they get close to the coast
[20:20] <OZ1SKY_Brian> not talking about james´s stray poppys :-)
[20:26] <OZ1SKY_Brian> as they seem to come running over here :-)
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[20:32] <OZ1SKY_Brian> Lunar_Lander thank you
[20:32] lz1dev (~lz1dev@ left irc: Ping timeout: 252 seconds
[20:33] <Lunar_Lander> you are welcome
[20:33] <Lunar_Lander> how was it?
[20:34] <OZ1SKY_Brian> alot of fun
[20:34] <OZ1SKY_Brian> i gotta run, flue got me, so need to lay down now
[20:34] <OZ1SKY_Brian> gn all
[20:35] <Lunar_Lander> gn8
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[20:50] <griffonbot> Received email: Steve Aerospace "Re: [UKHAS] Altimeter"
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[20:54] <griffonbot> Received email: James Coxon "Re: [UKHAS] Altimeter"
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[21:51] <griffonbot> Received email: Ali al-Azzawi "Re: [UKHAS] Altimeter"
[21:52] <Lunar_Lander> why is it so silent?
[21:53] <nigelvh> Everyone else has lives.
[21:53] <craag> What? no....
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[21:53] <cm13g09> exactly craag
[21:54] <Lunar_Lander> XD
[21:55] <cm13g09> although craag and I ought to be revising for exams :P
[21:55] <nigelvh> mmhmmm
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[21:58] <jrm73> just found out that Arduino 328 can measure its own VCC Voltage and Temperature with no external circuitry: http://code.google.com/p/tinkerit/wiki/SecretThermometer
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[22:00] <Lunar_Lander> COOL
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[22:07] <SP9UOB_Tom> OZ1SKY_Brian/bye night all
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[23:35] <bertrik> receiving a weather balloon again, but this time I won't stay up :)
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[23:36] <fsphil> ooh I keep forgetting
[23:36] <fsphil> I've only the 817 setup and it can't do 402mhz
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[00:00] --- Mon Jan 14 2013