[00:00] <SpeedEvil> It gets round the fluidity problems you get when aggregate volume rises much over 50%
[00:00] <Laurenceb_> mix it first
[00:00] <Laurenceb_> then vacuum inpregnate the fibre
[00:00] <Laurenceb_> into chamber with concrete poured on then pressure cycle
[00:01] <SpeedEvil> i was more meaning for conventional mixes
[00:01] <SpeedEvil> But that too
[00:01] <SpeedEvil> it could be really good for stuff like concrete countertops using decorative aggregates
[00:06] <enkidu> and teleport
[00:06] <enkidu> B11 back over channel
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[00:09] Action: Laurenceb_ zzz
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[00:32] <smrtz> Hey Upu! I've narrowed it down to 4 antennas, can you help me decide plese?
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[00:39] <smrtz> Can someone help me narrow down my choices for a few gps antennas please/
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[01:31] <smrtz> upu, what cap do you put on the breakout board?
[01:48] <wrea> its probably a 0.1uF decoupling cap
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[02:56] <smrtz> Thanks wrea
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[03:19] <Darkside> it definitely is a 100nf ceramic
[03:20] <arko> Darkside: you're wrong, its a 100,000pf
[03:21] <Darkside> ahh :P
[03:21] <smrtz> lolwat?
[03:21] <Darkside> 0.0001mF ?
[03:21] <arko> lol
[03:22] <wrea> ha
[03:22] <smrtz> Oh, I get it.
[03:22] <arko> 0.0000001F
[03:22] <arko> :)
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[03:25] Nick change: Geoff-G8DHE_ -> Geoff-G8DHE-M
[03:39] <heathkid> as long as you folks don't switch to nF
[03:39] <heathkid> that always messes me up! :P
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[04:37] <heathkid> what happened to uF?
[04:38] <heathkid> everyone asleep???
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[04:51] <arko> about to
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[05:08] <x-f> not anymore
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[06:00] <arko> its impossible to sleep before 11 :/
[06:03] <wrea> lol
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[06:24] <WD8MNV> B11 & B12 still in the air?? that's amazing
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[06:26] <keydashwork> hi+
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[06:28] <Bo_DK> morning all :
[06:30] <Bo_DK> mfa298: not alive yet are you?
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[06:34] <PE2G> Goodmorning all
[06:34] <number10> morning
[06:34] <x-f> morning
[06:35] <PE2G> I just got a position update for B-11 received by Michael, DK3SML at 03:54 UTC
[06:36] <PE2G> B-11: N 46.793 E 11.1261 , alt 8699m
[06:36] <PE2G> Sentence 1924
[06:37] <PE2G> Michael will send me his full log file by mail
[06:37] <number10> thats cool
[06:37] <x-f> that's in Italy
[06:37] <tweetBot> @thoughtstore: Trinket : Possibe source of pico balloon flight computer ? http://t.co/1DYYw55t16 #Arduino #ukhas #nearspace
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[06:38] <x-f> right where it should be according to the HYSPLIT forecast
[06:38] <PE2G> Michael wasn't using dl-fldigi but another decoder
[06:39] <Bo_DK> PE2G: know which one?
[06:40] <PE2G> Standby for that
[06:40] <Bo_DK> no rush
[06:40] <Bo_DK> just wondered if it was webradio dev'ed by mikestir
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[06:43] <PE2G> On a German forum, he writes that it's a program by a New Zealander
[06:43] <LeoBodnar> morning
[06:43] <Upu> morning Leo
[06:44] <PE2G> Goodmorning
[06:44] <PE2G> Bo_DK: here's a screenshot he posted to the forum: http://s12.postimg.org/ralgimfsd/Screen1053.jpg
[06:45] <WD8MNV> there is also Femtoduino
[06:45] <LeoBodnar> any sightings of Bees?
[06:45] <PE2G> Yes
[06:46] <Upu> looks like they both froze up last night
[06:46] <PE2G> B-11: N 46.793 E 11.1261 , alt 8699m at 03:54 UTC
[06:46] <Upu> oh
[06:46] <Upu> transmitting ?
[06:46] <PE2G> By a german HAM Michael, DK3SML
[06:46] <Upu> do you have the full string ?
[06:47] <Upu> northern italy nice
[06:47] <PE2G> Waiting for his full log file
[06:47] <Upu> if you get it let me have it I can import manually
[06:47] <LeoBodnar> On globaltuners now
[06:47] <PE2G> ok
[06:48] <LeoBodnar> $$W-11,4989,064420,4WV5511,11.5507,9050,6,6,3.86,0.58*8b72
[06:48] <LeoBodnar> $$B-11,1990,064649,45.5333,11.5542,9067,6,6,3.U6b0.68*be6a
[06:48] <Upu> where are those from ?
[06:48] <LeoBodnar> Verona
[06:48] <Upu> want me to import ?
[06:49] <LeoBodnar> I'd be honoured :)
[06:49] <LeoBodnar> XD
[06:49] <Upu> done
[06:50] <LeoBodnar> Tracker website looks like a battle plan
[06:50] <Upu> yeah
[06:50] <Upu> your replaying is both genius and a nightmare at the same time
[06:50] <eroomde_> verona!
[06:50] <WD8MNV> have it pick up a pizza on it's way thru
[06:50] <eroomde_> nice place
[06:51] <Upu> ok so when your kids say what happens if I let go of this balloon
[06:51] <Upu> -> spacenear.us
[06:51] <eroomde_> 2 gentlehabs over verona
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[06:51] <Upu> lol
[06:51] <LeoBodnar> Dial is 434.500 modem centre 1904
[06:51] <Upu> in fair Verona where we lay our scene
[06:51] <Upu> are you going to try decode LeoBodnar ?
[06:51] <LeoBodnar> double cheese for me please
[06:52] <LeoBodnar> Yeah, I'll hang onto it for awhile. I guess B-12 didn't make it with its measly battery?
[06:52] <x-f> B-12 should be near the other coast about now?
[06:52] <eroomde_> NEVER GIVE UP LeoBodnar
[06:52] <Upu> different batts ?
[06:52] <LeoBodnar> cheers eroomde_ :)
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[06:52] <WD8MNV> how big were the batts?
[06:52] <LeoBodnar> and don't panic
[06:52] <Bo_DK> Upu got my order last night?
[06:52] <LeoBodnar> got a good decode
[06:52] <eroomde_> back when floating was an awesome freak occurrence (totex balloons) we did one from churchill with jcoxon, it died about 11pm
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[06:53] <Upu> yes Bo_DK
[06:53] <eroomde_> but an overnight vigil (modulo my sleeping for a bit) and kept the faith and it came alive again just after sunrise
[06:53] <adamgreig> the amount of effort to get those latex balloons to float!
[06:53] <Bo_DK> also found a little flaw in your shop code.... it assumes denmark has state/region
[06:53] <adamgreig> pinhole openings and alcohol dumps and so forth
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[06:53] <eroomde_> and i'm sure there have been other floater instances that have come alive again a few hours after dying
[06:53] <eroomde_> i'm sure upu picked one up
[06:53] <Upu> there are many flaws in the shop :)
[06:53] <eroomde_> with his artillery
[06:54] <Upu> oh mine disappeared over night
[06:54] <Upu> before coming back online at sunrise
[06:54] <Bo_DK> Upu major flaw just always be to litlle customers :-D
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[06:54] <Upu> just tell the HAMs there is a signal out there and who ever has the biggest antenna wins
[06:55] <adamgreig> I wonder how well GSM models would work on floaters
[06:55] <adamgreig> modems*
[06:55] <adamgreig> at 8km they might still get signal
[06:55] <Bo_DK> adamgreig: yeah... but think that will be the limit...
[06:56] <Bo_DK> adamgreig: also will depend on how the towers are setup
[06:56] <eroomde_> http://www.rtl-sdr.com/potential-major-security-flaw-hp-laptop-discovered-rtl-sdr/
[06:56] <adamgreig> haha yea
[06:56] <adamgreig> reddit
[06:56] <adamgreig> but note the lack of repeatability
[06:56] <Bo_DK> in dense city's they might be weak or optimized at ground level
[06:57] <LeoBodnar> Suddenly HABing is exciting again
[06:57] <eroomde_> don't go mad leo
[06:57] <LeoBodnar> For a geek
[06:57] <eroomde_> power supplies are exciting
[06:57] <Bo_DK> LeoBodnar: indeed.....just watching....
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[06:58] Nick change: arko -> arko_
[06:58] Nick change: aetaric_ -> aetaric
[06:58] <Bo_DK> LeoBodnar: next goal must be going round the globe in 80 days and land near launch site :-P
[06:59] <LeoBodnar> Any one out of three would do
[07:00] <Bo_DK> a micro valve to let out gas could adjust float so it floats high... but then it might not bepossible to control valve :-/
[07:01] <Bo_DK> valve could also be used to do a burst... ie all gas out....
[07:01] <Bo_DK> but not sure if one should just let go of the baloon then
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[07:09] <Upu> I can't see the pips on GT LeoBodnar
[07:09] <LeoBodnar> 434.5 dial 1904 modem
[07:10] <LeoBodnar> Buongiorno gentelmeni! Prego reciveri tunare di 434.500 e piccolo baloni signali reportare. Grazie molto!
[07:11] <Upu> http://i.imgur.com/xhCiiH1.jpg
[07:11] <LeoBodnar> They are very faint
[07:11] <LeoBodnar> +QRM
[07:12] <tweetBot> @AnthonyStirk: B-11 awake over fair Verona Italy 434.500 DominoEX16 calling any Italian HAMs we could do with you now :) #ukhas
[07:12] <Upu> transmitting
[07:12] <Upu> just a blur
[07:12] <LeoBodnar> $$B-11,1999,070QILt,J5.H5411.5847,9119,W,7,3.87,0.65*dd5e $$B-11,2000,071141,45.3574,11.5874,9057,3.87,0.67*a740
[07:12] <Upu> doing better than I am
[07:13] <LeoBodnar> I have a longer audiocable
[07:13] <LeoBodnar> XD
[07:13] <LeoBodnar> OK, workportation
[07:13] <Upu> I'll manual those
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[07:14] <LeoBodnar> Cheers temp and sat got eaten out on 2nd one
[07:14] <fsphil> which websdr are you guys using?
[07:15] <Upu> Verona
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[07:17] <LeoBodnar> $$B-11,2001,071413,45.3399,11.5902,9058,4,1,3.87,0.67*b71G$D-12002,071645,45.3224,11.5926,9076,4,1,3.88,0.68*a634
[07:17] <LeoBodnar> few faults
[07:17] <LeoBodnar> ok, laters
[07:17] LeoBodnar (5c116e74@gateway/web/freenode/ip. left irc:
[07:22] <Upu> those two are ok
[07:22] <Upu> I can see the transmissions via GT but there are seriously mashed on my PC
[07:22] <fsphil> trying
[07:22] <Upu> k
[07:23] <fsphil> see the beeps
[07:23] <Upu> oh you're doing better than me then
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[07:23] <x-f> last two just now decoded here, but i didn't upload them
[07:23] <fsphil> how often does it transmit?
[07:23] <Upu> every 5 mins
[07:23] <Upu> $$B-11,2001,071413,45.3399,11.5902,9058,4,1,3.87,0.67*b713
[07:23] <Upu> $$B-11,2002,071645,45.3224,11.5926,9076,4,1,3.88,0.68*a634
[07:24] <Upu> fixed and added
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[07:24] <eroomde_> adamgreig: http://www.dellsystem.me/posts/dont-do-drugs-kids/
[07:24] <eroomde_> this is amazing
[07:24] <x-f> $$B-11,2003,071914,45.3053,11.5948,9113,4,4,3.87,0.64*9096
[07:24] <x-f> $$B-11,2004,072143,45.2883,11.5969,9095,4,4,3.87,0.66*2a28
[07:24] <x-f> Upu ^
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[07:24] <fsphil> Upu: it just went quiet?
[07:24] <fsphil> the GT that is
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[07:25] <fsphil> someone retuned it
[07:25] <Upu> checking
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[07:25] <fsphil> that's better
[07:25] <Upu> returned
[07:25] <Upu> just checking those x0f
[07:26] <x-f> they were green
[07:26] <Upu> done
[07:26] <charolastra> any ideas where B-12 went?
[07:26] <fsphil> how long is the flight doc for?
[07:26] <Upu> no idea
[07:26] <Upu> nope charolastra
[07:26] <Upu> it may still be up
[07:27] <fsphil> here we go
[07:27] <fsphil> green
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[07:27] <fsphil> two green lines
[07:27] <x-f> nice
[07:27] <Upu> yup you got it
[07:27] <fsphil> man that's travelled far
[07:28] <Upu> beaten AVA anyway :)
[07:28] <fsphil> it's gone the long way around
[07:28] <Upu> I think at 9 it should replay its logs ?
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[07:30] <x-f> <LeoBodnar> it sends the flight log every 2 hours on the first transmission after an even UTC hour so after 02:00 04:00 etc
[07:31] <number10> was it even hours Upu ?
[07:31] <Upu> not sure
[07:31] <Upu> its in UTC though
[07:31] <mikestir-work> why does spacenear seem to be confused about receivers and their locations?
[07:32] <number10> oh yes, so you are right
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[07:37] <Upu> how long has B-11 been up ?
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[07:38] <daveake> Went up Sunday evening?
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[07:39] <ike> B11 and B12 are still here
[07:39] <daveake> Looks like ~64 hours
[07:39] <x-f> since ~2013-09-01 16:50
[07:39] <ike> I bet that LeoBodnar will recover payload after 1 week ;)
[07:41] <LeoBodnar> Haha so far my score in recovery 2:10
[07:41] <ike> how did MI0VIM pick up B11 signal?
[07:42] <number10> global tuners
[07:42] <Upu> I posted to qrz.com
[07:42] <ike> at 8:00 it should retransmit backlog
[07:42] <Upu> so get ready for the wankers complaining about repeater input frequencies
[07:43] <ike> so they will help track it ;)
[07:44] <Upu> http://www.southgatearc.org/news/september2013/434_5_mhz_solar_balloons_still_in_the_air.htm#.Uibk2zbENNs
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[07:45] <fsphil> ike: yea I'm cheating a bit :) I should change my location on spacenear
[07:45] <Upu> Posted this http://pastebin.com/a9KH019b to QRZ.com
[07:46] <LeoBodnar> fsphil: what are your settings on dl-fldigi? do you use virtual sound cable?
[07:46] <fsphil> LeoBodnar: sound card is setup to capture from the output
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[07:46] <fsphil> or "Stereo Mix" as it calls it
[07:47] <ike> LeoBodnar and Upu when are you going to make next step?
[07:47] <LeoBodnar> I need to go for a wee in a minute
[07:47] <fsphil> Upu: you mention B-10, think that should be B-12?
[07:47] <LeoBodnar> close enough! :)
[07:47] <Upu> uh
[07:47] <fsphil> didn't decode that last one
[07:47] <Upu> it will do
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[07:48] <ike> LeoBodnar and Upu you know TurboCodes and small differential packets
[07:48] <ike> it's 100 times more easy to get 6 bytes packet than 60 bytes carrying redundant info
[07:49] <fsphil> differential packets are useless if you're only decoding the occasional frame of data
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[07:50] <ike> fsphil if you know approximate location then you don't need degrees only minutes and seconds
[07:50] <ike> like diff packed every 3 second instead of beep
[07:51] <fsphil> it would be useful to fill in gaps
[07:51] <fsphil> but you'd still need to transmit the full location fairly often
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[07:52] <LeoBodnar> Signal is gone for me. Has it abruptly stopped or just faded out of range?
[07:52] <fsphil> but hey, even the full location is tiny when transmitted as a binary signal
[07:52] <ike> for example now it's on Position: 45.1735,11.609 if it send only 1863+1byte checksum in 3 bytes you will know where it is now
[07:52] <LeoBodnar> Oh, can see beeps
[07:52] <fsphil> I can hear it LeoBodnar
[07:52] <fsphil> not decoding fully
[07:52] <LeoBodnar> Yeah, we should have gone binary packed a long time ago
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[07:52] <fsphil> $$Bt1,2016,075L52,45.0936,11.6153,9123,4,9,3=Ue06*0cc
[07:52] <LeoBodnar> bows
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[07:53] <fsphil> but it's a lot weaker than it was before
[07:53] <Upu> afk work
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[07:53] <mikestir-work> binary packed data and MQTT access for habitat would be nice
[07:53] <fsphil> prediction has it coming back around
[07:53] <fsphil> it's doing circles over europe :)
[07:54] <LeoBodnar> I am amazed that signal is so weak. It was a few miles away
[07:54] <LeoBodnar> Legacy format does not have to be killed to make way for paket data
[07:54] <fsphil> geography / building in the way
[07:54] <ike> Temperature: -29C Battery: 3.42 V
[07:54] <LeoBodnar> OK
[07:54] <ike> I think that volgate is droping white TX
[07:55] <Bo_DK> Q: is this the way to do a detail/plan list when you want to code something in python? https://docs.google.com/document/d/1P0e2vHyNew-Fx3MPw_DrbExJDgc9mU71rQe_XU8sbdw/edit?usp=sharing
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[07:55] <Bo_DK> its just a rough starter
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[07:56] <ike> LeoBodnar: Legacy format every several minutes and binary packet instead of beeps
[07:57] <ike> ike: Temperature: -29C Battery: 3.42 V LOL wrong balloon ;) I'm sorry
[07:57] <fsphil> receiving
[07:57] <fsphil> green decode
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[07:58] <fsphil> is it due to do the replay soon?
[07:58] <ike> next 10 min maybe
[07:58] <fsphil> and did the beeps gets quicker before it started tx'ing?
[07:58] <ike> will send backlog
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[08:03] <fsphil> struggling to decode this
[08:03] <fsphil> and here's the log
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[08:03] <ike> did you get it?
[08:04] <fsphil> one line so far
[08:04] <fsphil> two
[08:04] <fsphil> most have errors
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[08:05] <fsphil> this so needs FEC
[08:05] <ike> yea, bin+TurboCodes
[08:06] <ike> like in deep space
[08:06] <ike> ;)
[08:06] <Bo_DK> hmmmm......
[08:06] Nick change: zyp_ -> zyp
[08:06] <fsphil> tx finished
[08:06] <ike> did you see what you did LOL
[08:06] <ike> ;)
[08:07] <Bo_DK> think i will be a slacker/wanker and go back to bed
[08:07] <ike> you send it in Belgum
[08:08] Nick change: KipK_away -> KipK
[08:08] <LeoBodnar> I feel FECish
[08:09] <ike> http://en.wikipedia.org/wiki/Turbo_code
[08:09] <fsphil> THOR would be a nice drop-in replacement
[08:10] <x-f> the last transmission - http://pastebin.com/ZtrvXuNj
[08:10] <fsphil> there we go
[08:10] <fsphil> back in italy
[08:11] <x-f> LeoBodnar, why did it stop the log at 18 UTC?
[08:12] <x-f> i'm not getting as much greens as fsphil does on the same GT
[08:12] <ike> this $$B-11,1167,0ox021,47.1649,-4ee7651,854V,9,-23,3.79,0*9fbf can be recovered
[08:14] <keydashwork_> somebody uses habamp?
[08:15] <ike> "$$B-11,1167,000021,47.1649,-4.7651,8549,9,-23,3.79,0*9fbf"
[08:15] <Bo_DK> keydashwork_: ordered one...
[08:15] <Bo_DK> ie to be used with my automatic tracker
[08:15] <Bo_DK> that i struggle to build
[08:15] <fsphil> two good decodes
[08:15] <keydashwork_> I think i'll need one for my dongle
[08:16] <Bo_DK> keydashwork_: it will not hurt
[08:16] <keydashwork_> it will hurt my pocket
[08:16] <keydashwork_> xD
[08:16] <Bo_DK> keydashwork_: i asked arround and everybody says it will help
[08:16] <Bo_DK> keydashwork_: biggest improvment is that it filters out anything but 70cm stuff....
[08:17] <Bo_DK> and if not mistaken it also filters out so only the common hab freq's slip through
[08:17] <Bo_DK> yes... it hurts the pocket....
[08:17] <fsphil> it has a single filter for 430-440 mhz
[08:17] <Bo_DK> mine was hit for about 60£ last night
[08:17] <fsphil> which depending on the radio can make a huge difference
[08:18] <x-f> Bo_DK, http://ready.arl.noaa.gov/hypubout/19089_trj001.gif - can you finish your tracker in 48 hours? :)
[08:19] <Bo_DK> x-f...... dammmm..... no... still need PCB to get here... then ublox from Upu....
[08:19] <Bo_DK> that was just bare minimum bits
[08:19] <Bo_DK> then the gode on BBB to drive it all
[08:20] <mikestir-work> keydashwork_: I use habamp. Makes a huge difference
[08:20] <Bo_DK> and thats the very BIG bit for me since my coding skills in general stinks worse than a skunk
[08:20] <mfa298> Bo_DK: I had a quick look at what you put down and it looks like the right sort of thing. I've got a few other bits to as well this toda y
[08:20] <Bo_DK> mfa298: thanks... tried my best....
[08:20] <fsphil> no decode that time
[08:20] <fsphil> looks like LeoBodnar got it
[08:21] <Bo_DK> mfa298: can give you edit rights if need be
[08:22] <LeoBodnar> From Rimini
[08:22] <fsphil> ah different gt?
[08:23] <fsphil> I can't hear the beeps at all at the moment
[08:24] <fsphil> still there but weak
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[08:25] <fsphil> nothign that time either
[08:27] <keydashwork_> mikestir-work: with a dongle?
[08:27] <keydashwork_> and what antenna if i can ask
[08:31] <fsphil> rimini is in LSB mode
[08:31] <LeoBodnar> Tick "Rv" on
[08:32] <LeoBodnar> Does MID filter work?
[08:32] <LeoBodnar> Can't tune with T account
[08:33] <fsphil> not sure. I've no controls at all
[08:33] <LeoBodnar> Oh
[08:33] <LeoBodnar> It was saying [08.31] * Tune: trial accounts can not tune this receiver at this moment.
[08:33] <LeoBodnar> Probably because you have been logged in
[08:34] <mikestir-work> keydashwork_: yes with an R820T based dongle and a homebrew 7 element yagi
[08:34] <ike> LeoBodnar what does Solar Panel: 0.66 mean? 0.66mA?
[08:36] <LeoBodnar> 0.66V
[08:37] <ike> above battery?
[08:37] <LeoBodnar> No solar panel cell voltage
[08:38] <ike> how do you make that 4.2V?
[08:38] <SpeedEvil> one cell?
[08:38] <LeoBodnar> yes SpeedEvil
[08:38] <SpeedEvil> so peak power.
[08:39] <ike> 0.66v to 5v DC-DC will have 50% losses
[08:39] Nick change: qyx__ -> qyx_
[08:39] <LeoBodnar> More like 90%
[08:39] <ike> do you have diode there ;)
[08:39] <LeoBodnar> No, MPPT controller
[08:41] <ike> what IC did you use?
[08:41] <LeoBodnar> fsphil: can i move modem freq a bit higher?
[08:41] <fsphil> sure LeoBodnar
[08:42] <LeoBodnar> can't! :) can you move dial to 434.502.300
[08:43] <LeoBodnar> In case we can see B-12 lower
[08:43] <LeoBodnar> Oh, it's LSB. Anyway I think it has a lot af audio noise below 1500
[08:44] <HixWork> Morning. Someone saw fit to use the wron side of the road this morning. And me as a speedhump
[08:46] <fsphil> LeoBodnar: doesn't seem to want to
[08:48] <number10> did you get hurt HixWork ?
[08:48] <fsphil> LeoBodnar: ah, just did
[08:49] <fsphil> eek HixWork
[08:51] <fsphil> no decode that time
[08:52] <LeoBodnar> HixWork: you are OK?
[08:53] <LeoBodnar> fsphil: is it any better at higher audio freq?
[08:53] <LeoBodnar> YOu decide since you have better decode rate
[08:54] <fsphil> LeoBodnar: I'm gonna switch to usb and put the signal at about 1000hz audio frequency
[08:54] <LeoBodnar> OK
[08:55] <fsphil> bit too low
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[08:57] <fsphil> that's an annoying noise
[08:57] <LeoBodnar> It depends on exact dial freq try nudging it a bit
[08:58] <LeoBodnar> some digital artefact
[08:58] <HixWork> I'm fine, cheers guys, car looks a bit ill :/
[08:58] <Ugi_> HixWork: you had a bump?
[08:59] <HixWork> Someone thought it would be a good idea to go on the wrong side of the road to save a bit of time at a roundabout, as I was coming off said raoundabout in their new lane
[08:59] <Ugi_> Ouch! Glad to hear you're OK
[09:00] <Ugi_> did they stop?
[09:03] <HixWork> Yes, fortunately. Had a camera too so could take photos of the are of the accident, showing where they were and how my car was buried in the kerb to do all I could to avoid.
[09:03] <HixWork> Just really annoying.
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[09:08] <LeoBodnar> Flight path prediction for B-11 http://ready.arl.noaa.gov/hypubout/12500_trj001.gif
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[09:10] <Ugi_> Sounds maddening. Can only be thankful that you weren't injured - but take it easy - sometimes the adrenaline of an accident can mask things for a while.
[09:12] <Ugi_> B-11 sure likes it's sweeping loops of Europe!
[09:12] <Ugi_> its
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[09:14] <Ugi_> batteries look like they held up well overnight for both
[09:15] <LeoBodnar> HixWork: maybe go home?
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[09:21] <fsphil> x-f: which receiver are you on?
[09:21] <x-f> Verona one
[09:22] <x-f> dl-fldigi did something weird with my location..
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[09:23] <LeoBodnar> fsphil: how do you get [N] account on globaltuners?
[09:23] <x-f> nope, it was me failing in geography
[09:24] <x-f> LeoBodnar, you wait two weeks after registration, iirc
[09:25] <fsphil> LeoBodnar: dunno, I just registered as a normal user ages ago
[09:25] <fsphil> ah, it's a time thing
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[09:26] <mfa298> maybe that should be a rule for ukhas. As soon as you arrive go create a GT account as when you find you want one you'll wish you created it several weeks ago
[09:27] <x-f> haha, true story :)
[09:29] <edmoore> LeoBodnar, i see exactly what you mean about the mounting posts now I see them taken apart
[09:29] <edmoore> there is space for 5
[09:29] <edmoore> will just do that
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[09:35] <LeoBodnar> Cool if you were to do that could you please send me some pics?
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[09:37] <LeoBodnar> I wonder whether natural atmospheric oscillation can coincide in frequency with own oscillation modes of the balloon (mechanical/termodynamic) and cause these massive swings to start.
[09:38] <LeoBodnar> So it is an onset of resonant failure of sorts.
[09:39] <edmoore> needs instrumenting
[09:39] <mattbrejza> would i be right to say that if a foil balloon were to fail its most likely to be within the first 12hrs?
[09:39] <mattbrejza> and so these balloons are looking good until they leak?
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[09:47] <navrac_work_> It's a bit difficult to say - most seem to die in the first 12 hours - either due to too much pressure (up > down) or very quickly if its windy. Once they've survived 12 hours most earlier attempts have just lost contact due to battery failure or some other failure. Once they've gone past 12 hours I don't remember ever seeing one leak
[09:48] <mattbrejza> these could be interesting then
[09:48] <mattbrejza> they are due to come back north as well
[09:49] <mfa298> it seems that 8km might also be the sweet spot as these seem to have been very stable at that height. Below that they seemed to be affected by other factors making them rise and fall
[09:49] <navrac_work_> I think we're into new territory here - anything might happen, I lost my solar power ones due to transmitter faults very quickly
[09:50] <navrac_work_> but i never got close to 8g which is rather impressive
[09:50] <mattbrejza> is it summer again everywhere else or just here?
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[09:51] <mattbrejza> also it seems that insulation is not needed
[09:51] <navrac_work_> its not an rfm22 then!
[09:51] <mattbrejza> the heaviest part of my pico was the case
[09:51] <mattbrejza> well its a si4460, but that wasnt hte issue
[09:51] <mattbrejza> the txco seems to be a minor modification thats had a massive impact
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[09:53] <navrac_work_> yep - I changed crystal to external tcxo's on my later ones by hacking them onto an rfm board - my domino wasnt anywhere near as stable though
[09:53] <mattbrejza> did you pull it though>
[09:54] <navrac_work_> yes i was pulling it with a smothed output from the dac
[09:54] <navrac_work_> i think i put the design up on ukhas somewhere
[09:54] <mattbrejza> did you use the Vc pin on the crystal?
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[09:57] <navrac_work_> ah i remember - I couldnt find a vtcxo of the right frequency so on the domino one i just pulled an external crystal - the stable ones used the tcxo and were rtty
[09:57] <mattbrejza> ah
[09:57] <mattbrejza> i put this page up, dunno how much it differs from what you did http://ukhas.org.uk/guides:crystal_pulling
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[09:58] Nick change: Geoff-G8DHE_ -> Geoff-G8DHE-M
[09:58] <mattbrejza> the spectrum that gives looks identical to a ntx2
[09:59] <Bo_DK> Q: i have a compressor.... what is the unit called i can attach and create vacum instead?
[09:59] <Bo_DK> have tried to source it but nah no luck
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[10:04] <navrac_work_> ah mattbrejza - mine is on the RFM22b page unter dominoex at the end http://ukhas.org.uk/guides:rfm22b
[10:04] <mattbrejza> well it was :P
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[10:07] <navrac_work_> ah i see its been modified
[10:09] <navrac_work_> im going to have to find a new area to play with now picos and domino and solar have been taken further than I got. I was just doing home made foil balloons before work got busy so I think I'm going to play with 868mhz next just for a laugh
[10:09] <mattbrejza> might have been me, sorry about that :P
[10:09] <mattbrejza> http://ukhas.org.uk/_detail/guides:domcct.png?200 yours is still around though
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[10:10] <navrac_work_> no problem - looks like you took out the inductor
[10:10] <x-f> LeoBodnar, any idea why does the B-11's backlog end on 18 UTC yesterday?
[10:10] <mattbrejza> i changed it over as it was more consistant with my description on the page
[10:10] <mattbrejza> also im fairly sure C4 doesnt do much
[10:10] <mattbrejza> might be wrong
[10:11] <navrac_work_> yep - c4 didnt have much effect, but I left it in anyway
[10:12] <navrac_work_> it was one of those designs where i just kept changing bits - largely at random and when it worked i stopped changing things
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[10:13] <mattbrejza> ive seen so many ways to do it
[10:13] <navrac_work_> on the rfm22b guides page it still has the line:This circuit works by using the PWM output of the microprocessor, through a choke to remove the AC component
[10:14] <mattbrejza> so it does
[10:15] <mattbrejza> gone :P
[10:16] <navrac_work_> ~I did say to upu I would do a guide to making your own foil balloons so I'll have something else on the wiki of mine!
[10:17] <mattbrejza> this page still needs writing http://ukhas.org.uk/guides:selecting_microcontrollers
[10:17] <mattbrejza> i got bored of it
[10:18] <navrac_work_> i like your description of picaxe
[10:18] <mattbrejza> it seems accurate
[10:19] <navrac_work_> yep, I only use pics with assembler so I think my input on that would help
[10:19] <navrac_work_> wouldn't
[10:20] <mattbrejza> well you can write about the range of devices avaliable, what sort of hardware and so on
[10:21] <mfa298> that's a good description
[10:21] <LeoBodnar> x-f it might have got reset which wipes the log off
[10:21] <x-f> sentence-id is over 2000
[10:21] <LeoBodnar> I should fix this for the next code reveision
[10:22] <LeoBodnar> Sentence ID is preserved
[10:22] <navrac_work_> thats a never ending list though, I'll stick to making your own foil balloons far more fun although the wife got a bit annoyed with iron burns on the dining room table
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[10:22] <Lunar_LanderU> hello
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[10:22] <Lunar_LanderU> LeoBodnar: YOU ARE AMAZING
[10:22] <Lunar_LanderU> XD
[10:23] <x-f> :)
[10:23] <LeoBodnar> PIC24 with assembler here too
[10:23] <x-f> LeoBodnar, it does send the log, it just ends with this line - $$B-11,1698,180200,50.1977,6.2532,8962,9,-5,3.98,0.56*0642
[10:24] <mattbrejza> was there a time when the c tools were really bad, so early users of PICs are 'stuck' with assembler?
[10:24] <edmoore> yes
[10:24] <edmoore> i remember it
[10:24] <LeoBodnar> I'll check the code. So what were the 1st and last log entries?
[10:24] <mattbrejza> well that explains that :P
[10:24] <edmoore> i remember doing 16F84 stuff in assembler
[10:24] <edmoore> the memories
[10:25] <navrac_work_> that about sums it up - it was much easier to just write it in assembler than getting the c to run correctly
[10:25] <edmoore> they're not good memories
[10:25] <edmoore> the nuber of times i'd write a value to memory and a light would come on from an output pin
[10:25] <edmoore> hey!?
[10:25] <edmoore> oh, wrong bank
[10:25] <x-f> LeoBodnar, http://pastebin.com/EgZ8W3nR
[10:26] <navrac_work_> I've still got some legacy pic projects i have to maintain and each time i modify the code I get caught out on the wrong bank
[10:27] <mattbrejza> PICs no longer have that banking thing then?
[10:27] <gonzo_> the compilers have improved since those days
[10:28] <gonzo_> the main prob I used to find on the early compiners, was that the stack handling was buggy
[10:29] <LeoBodnar> thank you x-f I will check the code
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[10:30] <LeoBodnar> PIC24F and dsPIC33 have no banking (almost)
[10:30] <x-f> B-11 still good signal from Verona GT - http://i.imgur.com/DTO8FRF.png
[10:31] <LeoBodnar> Oh, wow
[10:41] <Rebounder> cool
[10:44] <Rebounder> Would be nice if the spacenear.us-tracker showed "last heard x time ago". A bit cumbersome to see the diff between the trackingtim and local comp.
[10:45] <G0TDJ_Steve> Ping UpuWork
[10:46] <UpuWork> hi Steve
[10:46] <G0TDJ_Steve> Hiya, have you got time for a quick question?
[10:46] <UpuWork> if its very quick yes go for it
[10:46] <G0TDJ_Steve> Might be better in a different window
[10:46] <enkidu> What happened to B-12? noone to receive?
[10:47] <LeoBodnar> Not heard since last night
[10:47] <enkidu> battery frozen?
[10:47] <fsphil> possibly just out of range
[10:49] <LeoBodnar> Battery frozen is very likely. I have no trust in it.
[10:49] <LeoBodnar> We need listeners in France
[10:50] <fsphil> GT tuners in france seem to be deaf on 70cm
[10:50] <LeoBodnar> I hope French stations are on the ball.
[10:54] <fsphil> hah
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[10:55] <LeoBodnar> navrac_work_: do you use aluminised nylon heatsealable material from DIY balloon kits?
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[10:56] <Chetic> wait what
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[10:57] <fsphil> websdr in Norway is the only one that does 434mhz, has a blind spot at 434.500
[10:57] <Chetic> there are DIY balloon kits? where?
[10:59] <navrac_work_> i bought the stuff from a guy in the states - I've got some on my desk - ill see if i can find his name
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[11:01] <navrac_work_> http://www.balloonkits.com/
[11:01] <LeoBodnar> Balloon Kits?
[11:01] <navrac_work_> lthough the postage was the same cost as the material
[11:02] <LeoBodnar> Ah, that's whom I was thinking about
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[11:03] <navrac_work_> he only does the kits now - originally you could buy rolls of heptax
[11:04] <navrac_work_> now he just mentions 'mylar' which it isnt but never mind....
[11:05] <Lunar_LanderU> ohh does B-11 come back to earth now?
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[11:07] <SpeedEvil> Wow - there are recievers popping up everywhere nowadays
[11:07] <enkidu> seems to be only one of its spikes
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[11:09] <Laurenceb_> this picoballoon project looks like a load of bologna
[11:10] <Chetic> I prefer the spelling baloney
[11:10] <x-f> 9085, 9091 m, signal has gone very weak now
[11:11] <Babs__> Laurenceb_ -morning - you popped on a link to slip rings in the past. Were they on adafruit? I see ones on there but they look a bit tiny and lightweight and I thought the ones you posted were a little bit more heavy duty - thanks
[11:11] <Laurenceb_> they were adafruit yes
[11:14] <navrac_work_> LeoBodnar what I got was what he calls the 1lb mylar roll (38"x16 yards) in silver
[11:14] <Babs__> ok thanks. I think its probably a case of making some kind of supporting structure around them so you get the functionality but dont need to worry about the structural part of it letting you down
[11:20] <Geoff-G8DHE-M> Just updated the B-11 KML/Z files to date cleaned and sorted http://360.g8dhe.net/hab_flights/B-11_20130901/index.php?ind=1
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[11:22] <Laurenceb_> 65 hours or so flight time
[11:22] <Laurenceb_> coming up to breaking b6 records soon
[11:22] <LeoBodnar> Thanks navrac_work_ for the info
[11:23] <LeoBodnar> Ta Geoff-G8DHE-M
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[11:23] <Piet0r> Hi
[11:23] <Bo_DK> got it
[11:23] <Bo_DK> simply vacum pump....
[11:24] <Piet0r> Is B12 gone or just no reception?
[11:25] <LeoBodnar> Unknown Piet0r (maybe both)
[11:25] <Piet0r> That's too bad
[11:25] <Piet0r> B11 still going strong I see :)
[11:25] <Piet0r> @LeoBodnar Do you have a friend in Italy?
[11:26] <Lunar_LanderU> hello UpuWork
[11:27] <Geoff-G8DHE-M> Ohh just had an old PP3 battery I had just changed EXPLODE on the bench! the insulation on one of the 6 internal cells had perforated and then shorted out a cell!
[11:28] <LeoBodnar> What chemistry is it?
[11:29] <Geoff-G8DHE-M> Ordinary
[11:29] <Geoff-G8DHE-M> just took itmachine and popped a new one in! out of the XYL's TENS
[11:29] <Geoff-G8DHE-M> Duh rearrange sentence
[11:30] <Geoff-G8DHE-M> just took it out of the XYL's TENS machine and popped a new one in!
[11:31] <LeoBodnar> Alkaline, zinc-carbon or lithium?
[11:32] <x-f> LeoBodnar, why is it TX'ing now every two minutes?
[11:32] <Geoff-G8DHE-M> She is now wondering if the new one is likely to do the same .... Dura cell Alkaline
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[11:33] <Geoff-G8DHE-M> Mind you best before date 2011 ... that might explain!
[11:33] <enkidu> if B-12 is alive could be over italy too
[11:35] <LeoBodnar> Excess of solar power x-f so it can afford it
[11:35] <x-f> ah, clever
[11:36] <enkidu> B11 will pass over France again
[11:37] <SpeedEvil> is there a predictor that works for floaters?
[11:37] <Laurenceb_> hysplit works
[11:37] <enkidu> you can just take a look at numeric models
[11:37] <LeoBodnar> Standard on with 0.0001m/s descend rate
[11:37] <Laurenceb_> 67hours flight time?
[11:37] <Laurenceb_> we need a flight time counter
[11:37] <LeoBodnar> ONly two days, no?
[11:38] <LeoBodnar> Yeah and a nice aircraft-like altimeter with two hands :)
[11:39] <Lunar_LanderU> B-12 stopped working?
[11:39] <LeoBodnar> Crickey, I have about 20-30 electronic altimeters and cockpit clock, might bodge up something cool
[11:39] <LeoBodnar> From 737s
[11:39] <Laurenceb_> float altitude doesnt seem to have changed
[11:39] <LeoBodnar> It's stressed fully now
[11:39] <Laurenceb_> looks like theres considerable envelope stretch
[11:39] <Laurenceb_> but then its stabilises
[11:39] <Laurenceb_> yeah
[11:40] <LeoBodnar> 1st night is always low if launched late in the day
[11:40] <Laurenceb_> ~9150m yesterday and today
[11:40] <LeoBodnar> About 15% to my calcs Laurenceb_
[11:41] <SpeedEvil> LeoBodnar: Is there altitude data from the day of sep 2?
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[11:44] <LeoBodnar> http://x-f.lv/dev/habitat-graphs/payload/055a7e5147d3a7258f07a652d4cda64c
[11:45] <LeoBodnar> http://habitat.habhub.org/habitat/_design/ept/_list/csv/payload_telemetry/flight_payload_time?include_docs=true&startkey=[%22055a7e5147d3a7258f07a652d4f1a2ab%22,%22055a7e5147d3a7258f07a652d4cda64c%22]&endkey=[%22055a7e5147d3a7258f07a652d4f1a2ab%22,%22055a7e5147d3a7258f07a652d4cda64c%22,[]]&fields=sentence_id,time,latitude,longitude,altitude,satellites,temperature_internal,battery,solar_panel
[11:45] <SpeedEvil> ah
[11:45] <SpeedEvil> i should probably just have said 'did it slowly rise over sep 2 - or did it jump up?
[11:45] <SpeedEvil> Sorry.
[11:46] <LeoBodnar> It rises during the day but comes down to a higher altitude to float for the 2nd and further nights
[11:46] <LeoBodnar> *higher vs 1st night
[11:47] <enkidu> seems, that B12 was relying on solar power only
[11:47] <SpeedEvil> LeoBodnar: is this a standard mylar?
[11:48] <LeoBodnar> yes
[11:48] <Geoff-G8DHE-M> Is there a log transmission due soon ? to fill in the missing bits ?
[11:49] <Laurenceb_> if it can make it to tomorrow evening when itll be back in range itll set a new world record
[11:49] <SpeedEvil> LeoBodnar: Awesome :)
[11:49] Action: SpeedEvil imagines it flying out of range, and not being heard of till march.
[11:50] <x-f> :)
[11:50] <LeoBodnar> I think you are a day off Laurenceb_ ?
[11:50] <Lunar_LanderU> LeoBodnar: do you have a photo of the balloon?
[11:50] <Laurenceb_> 2013-09-01 16:50
[11:51] <Laurenceb_> 2013-09-04 11:48
[11:51] <Laurenceb_> 67hours?
[11:51] <LeoBodnar> B-12 and B-11 look the same http://leobodnar.com/balloons/B-12/
[11:51] <LeoBodnar> No, I have launched in the evening.
[11:51] <LeoBodnar> Ah, OK, I trust you :)
[11:51] <x-f> Leo has just launched B-54 and trackers are reporting interference on 434.5, until somebody gets the first decode..
[11:53] <LeoBodnar> I need excel Laurenceb_
[11:54] <WD8MNV> any details on your build? like pix as you build your payloads?
[11:54] <SpeedEvil> LeoBodnar: Are those standard crystalline cells?
[11:55] <SpeedEvil> oh - nvm - I see they are
[11:55] <mattbrejza> http://leobodnar.com/balloons/B-10/ WD8MNV
[11:56] <WD8MNV> but what's under the shrink wrap... is it secret?
[11:56] <SpeedEvil> WD8MNV: aliens
[11:57] <mattbrejza> shrink wrap?
[11:57] <mattbrejza> image 6?
[11:57] <WD8MNV> stuff covering the boards
[11:57] <mattbrejza> or 3
[11:57] <mattbrejza> there are pics without it
[11:58] <WD8MNV> i only see 3 pix atm... on another page?
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[11:58] <mattbrejza> there is a grid of 3x3 thumbnails
[11:58] <mattbrejza> http://leobodnar.com/balloons/B-10/Pages/2.html ?
[11:58] <enkidu> LeoBodnar: why you stopped using thermal isolation?
[11:59] <Laurenceb_> any sign of b12 on the remote station?
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[12:00] <WD8MNV> kinda blurry... but hope there details later on what's on the board... TX etc
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[12:00] <x-f> Laurenceb_, no, not on this one
[12:01] <mattbrejza> WD8MNV: change the url to B-2 etc
[12:01] <mattbrejza> there are better images on other pages
[12:01] <mattbrejza> its a si4460 though
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[12:04] <LeoBodnar> WD8MNV: http://leobodnar.com/balloons/ start from there. It's sparse at best but there are some pics teher
[12:04] <WD8MNV> an... that is super slick. good stuff
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[12:10] <LeoBodnar> flight log did not transmit in full for whatever reason
[12:10] <LeoBodnar> Le bug!
[12:11] <Laurenceb_> overwrote the buffer?
[12:14] <LeoBodnar> Oh, inited the TX sentence counter with 26 entries instead of 64. Slap! 26 is the length of one entry.
[12:14] <LeoBodnar> Stores but does not transmit :)
[12:15] <LeoBodnar> La buga.
[12:15] <Laurenceb_> will it transmit later?
[12:15] <LeoBodnar> Nope
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[12:16] <LeoBodnar> When it warps up after 5 days - yes
[12:17] <LeoBodnar> But 1st 26 entries of 64 again
[12:17] <Laurenceb_> wait wut
[12:17] <LeoBodnar> Who knew it would be needed altogether
[12:17] <Laurenceb_> so what happens after 5 days?
[12:18] <LeoBodnar> It's a circular buffer but it now transmits just 26 records out of 64.
[12:18] <Laurenceb_> oh
[12:18] <Laurenceb_> woops
[12:18] <Laurenceb_> need to recover it and jtag it XD
[12:18] <LeoBodnar> Use CONSTANTS, don't use numbers in the code! Duh.
[12:18] <mikestir-work> for B-13 we want OTA updates :)
[12:18] <LeoBodnar> Yes, we do!
[12:18] <mfa298> this is when you need a rx on the balloon so you can do an over the air update!
[12:19] <Laurenceb_> heh
[12:19] <Laurenceb_> i got bluetooth update working for an stm32 project
[12:19] <Laurenceb_> unfortunatly need slightly more range
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[12:19] <Laurenceb_> bluetooth with a yagi is fun - i got about 1Km range
[12:20] <Laurenceb_> was debugging a device in the local hospital from my office
[12:20] <mfa298> this is the sort of flight where something like WSPR could start being useful.
[12:20] <Laurenceb_> ring up "can you put it on the windowsill please"
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[12:24] <Geoff-G8DHE-M> Global Tuners ? Is there anyway of boosting the audio level that I've missed ?
[12:25] <Laurenceb_> its interesting how temperature is so consistent
[12:25] <Laurenceb_> the ground level temperature is going to be all over the place
[12:25] <nats`> ping x-f
[12:25] <x-f> hi, nats`
[12:25] <nats`> re-hi :)
[12:26] <nats`> I'll try to access the (I don't know how to say) floor up the last floor of my building to put a 400MHz antenna
[12:27] <nats`> Laurenceb 802;15.4g narrow band ?
[12:27] <nats`> :)
[12:27] <nats`> for long range I work on that at work and that's clearly a great solution
[12:27] <x-f> "roof" :)
[12:27] <nats`> roof exactly :)
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[12:44] <Piet0r> @nats` Is 802.15.4 allowed via 400MHz?
[12:44] <LeoBodnar> Laurenceb_: altitude ripple waves are in sync with temperature changes. About 70 metres and 5 degrees peak-to peak. Adiabatic process or glitch?
[12:45] <LeoBodnar> Everyone: really not Laurence only
[12:46] <Darkside> theres been discussion about gravity waves in the past
[12:46] <Darkside> but it could also be buoyancy
[12:47] <Darkside> i think the discussion was you'd need diffrential pressure measurement to b esure
[12:51] <nats`> Piet0r in fact you don't need the 802.15.4g support (note the "g")
[12:51] <nats`> but they are often little fsk transmitter with ultra narrow band
[12:51] <nats`> with tested datasheet value for some
[12:52] <nats`> -130dBm sensitivity is easily reachable
[12:52] <nats`> *transceiver
[12:52] <nats`> I think you'll be stuck in 868MHz band but some go to 400
[12:53] <nats`> and for the "g" it's a long range low power extension allowing fsk
[12:53] <nats`> which is not the case of the 802.15.4
[12:53] <nats`> allowing only qpsk in fact
[12:56] <Piet0r> What I meant was that I thought 802.15.4 would operate on 2.4GHz
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[12:56] <nats`> nop
[12:56] <Piet0r> Ah :p
[12:56] <nats`> 4XX 8XX and 2.4
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[12:57] <nats`> but with different throughput
[12:57] <nats`> 4XX is limited in profil and IIRC can't do mesh routing
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[12:57] <nats`> anyway pure 802.15.4 is dead in my opinion
[12:58] <nats`> they didn't adapt quickly enough g version should be the next and more used standard
[12:58] <Laurenceb_> <LeoBodnar> im wondering if its as simple as the balloon rotating
[12:58] <Laurenceb_> the envelope hits the sun side on occasionally
[12:59] <Laurenceb_> its flying to Monaco :P
[13:00] <nats`> I'll ask the question I asked x-f how do you handle balloon and air traffic control regulation over different countries ?
[13:00] <Laurenceb_> its too small to be covered by ATC
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[13:01] <nats`> oky :)
[13:03] <PE2G> Ping Upu
[13:04] <WD8MNV> icarus has a voltage of 178V?
[13:05] <mattbrejza> back from the dead balloon
[13:06] <Laurenceb_> is icarus flying?
[13:06] <mattbrejza> na
[13:06] <mattbrejza> someone must have a recording somewhere
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[13:07] <x-f> it's on the wiki as a sample
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[13:12] <Laurenceb_> when happens if the battery goes flat?
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[13:12] <Laurenceb_> can it record using the charger/
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[13:16] <nats`> anyone can update the wiki ? (the microcontroller page could benefit of some adding)
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[13:17] <eroomde> you can update it natrium42
[13:17] <eroomde> er, nats`
[13:17] <Geoff-G8DHE-M> nats`,If you register yes you can
[13:17] <eroomde> what do you want to add?
[13:18] <nats`> more information on the pic part and some information on other family of micro controller usually coupled with RF transmitter could be usefull for small package with high perf radio
[13:18] <nats`> don't know if it could be interesting
[13:18] <eroomde> yup
[13:18] <nats`> (don't worry I'll not troll avr vs pic)
[13:20] <eroomde> it's ok the battle is already won
[13:20] <mattbrejza> arm
[13:20] <mattbrejza> :P
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[13:22] <SpeedEvil> intel is releasing an embedded 386 for $.30@1K soon.
[13:22] Action: SpeedEvil makes stuff up.
[13:23] <chris_99> isn't there an embedded 386 or something similar
[13:24] <chris_99> it's a clone thing, might not be the 386 though
[13:25] <DutchMillbt> afternoon... Icarus has its wings back?
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[13:26] <nats`> mattbrejza +1 :)
[13:26] <nats`> chris_99 there are 386 embedded
[13:26] <nats`> mainly in payment terminal and some automate
[13:26] <chris_99> do you have a linky? this was a tiny little raspberry pi like device i was thinking of
[13:26] <nats`> but I think you'll not find them in 1 piece package they sell OEM only
[13:26] <chris_99> that used an x86 processor
[13:26] <nats`> ohhh I see
[13:27] <nats`> a board from 4 or 5 years ago ?
[13:27] <chris_99> yah
[13:27] <chris_99> can't remember the name of it
[13:28] <nats`> I can't too
[13:29] <nats`> I though you talked about chip
[13:30] <gonzo_> 386EX is the embedded proc. I still use them at work
[13:30] <gonzo_> (legacy product!)
[13:30] <chris_99> i think this used a chinese intel knock-off
[13:33] <nats`> in fact if you want to test on a balloon I already have some design I can modify a little of board embedding what is necessary to do long range fsk on "ultra" small form factor
[13:33] <nats`> qfn only
[13:33] <nats`> I can make some and give for test
[13:34] <chris_99> found it http://bifferos.co.uk/
[13:38] <nats`> 150MHz CPU, Intel 486SX instruction set, MMU.
[13:38] <nats`> 1 watt power consumption (200mA @5v)
[13:38] <nats`> .....
[13:38] <nats`> I always though x86 is crappy since long but for "embedded" that's even worst :p
[13:41] <Laurenceb_> lolz
[13:41] <Laurenceb_> you can get stm32f429 at 180mhz
[13:41] <Laurenceb_> run it at 1.8v and its about 70milliwatts
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[13:44] <chris_99> to be fair the Pi uses more than that doesn't it
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[13:58] <SpeedEvil> Lots
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[14:00] <g4sgx_iain> Getting decodes of B11 from Italian GlobalTuner
[14:00] <g4sgx_iain> such fun
[14:01] <Piet0r> That's awesome!
[14:01] <Piet0r> Where is the little bugger? :p
[14:01] <SpeedEvil> :)
[14:02] <gonzo_> suprised there are do few stations in france. I assume there is no hab over there as the laws are an arse?
[14:02] <g4sgx_iain> not sure, logged locations now being tx'd
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[14:03] <g4sgx_iain> Using Italian 'crema' station, not sure where that is but good sigs
[14:04] <g4sgx_iain> Sending its last 2hrs of positions now
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[14:05] Nick change: Laurenceb__ -> Laurenceb_
[14:05] <g4sgx_iain> And now back to pinging..
[14:06] <SpeedEvil> Sheyit.
[14:06] <SpeedEvil> http://www.qrz.com/db/ik2chz - the crema station - check out 'my new shack
[14:06] <g4sgx_iain> What happened to B12? Is it lost or is it assumed the battery died?
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[14:07] <SpeedEvil> 'My other big passionis aviation and I have aeronautical radiotelephony licence.' - maybe worth pinging him
[14:07] <g4sgx_iain> Wow, he's a busy chap
[14:09] <Steve_2e0vet> i woulder if chrisstubbsR is about
[14:09] Nick change: arko_ -> arko
[14:11] <Piet0r> That's no shack :p
[14:11] <nats`> gonzo_ I'll try to put a little setup this evening near apris
[14:12] <nats`> paris
[14:12] <gonzo_> the more stations, the merrier
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[14:19] <g4sgx_iain> SpeedEvil: sent him an email, not sure if i can be booted off or not by another user
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[14:26] <Upu> ignore icarus its just someone replaying the wav file from wiki
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[14:27] <Laurenceb_> http://files.qrz.com/z/ik2chz/IK2CHZ_Shack_016a.jpg
[14:27] <Laurenceb_> omfg
[14:27] <Darkside> you haven't worked DX have you
[14:28] <SpeedEvil> Laurenceb_: It's kinda silly
[14:28] <adamgreig> haha that's crazy
[14:28] <adamgreig> that man likes his radios
[14:28] <Darkside> thats pretty tame
[14:28] <adamgreig> that's the stupid expensive icom in the middle
[14:28] <Darkside> i've seem some pretty scary setups on qrz.com
[14:28] <Laurenceb_> that makes nasa look like amateurs
[14:28] <Darkside> very interesting chatting to someone on 20m and looking at their setup
[14:28] <Darkside> and asking them 'so which of the $10000 radios are you using today"
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[14:37] <iain_g4sgx> wierd, theres an identical pulsing sig 1kc higher, but no data
[14:37] <Laurenceb_> oooh
[14:37] <Laurenceb_> is that where B12 should be?
[14:38] <SpeedEvil> iain_g4sgx: intermod?
[14:39] <iain_g4sgx> hmm, not exactly the same timing. Probably summut else local, just appeared
[14:39] <x-f> it must be the missing twin!
[14:39] Nick change: KipK -> KipK_away
[14:40] <mattbrejza> screenshot your waterfall?
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[14:43] <iain_g4sgx> bit tricky cos im on a lappy, 2 mins
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[14:45] <iain_g4sgx> Cant see much but B11 and a pulsing to the right 1kc http://www.g4sgx.org/images/screen.jpg
[14:46] <Geoff-G8DHE> wHICH gt rX YOU ON ?
[14:46] <Geoff-G8DHE> or even Which GT Rx are you on ?
[14:46] <Laurenceb_> are the pulses the correct rate?
[14:47] <iain_g4sgx> crema, but pulse now gone, can assume just local i think. Pulses are spot on the correct rate, though
[14:47] <Geoff-G8DHE> Just been trying that without success
[14:47] <Laurenceb_> hmm
[14:48] <Laurenceb_> i wonder if B12 went flat and is struggling to restart
[14:48] <Laurenceb_> B11 up to 70 hours flight time now
[14:48] Nick change: KipK_away -> KipK
[14:50] <Geoff-G8DHE> That Crema audio is at a very low level for me compared to the others
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[14:55] <LeoBodnar> I am sooo going to do this! http://leobodnar.com/balloons/B-11/instrumentation.jpg
[14:55] <arko> haha
[14:55] <arko> drive them with a DAC?
[14:56] <Geoff-G8DHE> Dah, I thought you were going to add more sensors!
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[14:57] <LeoBodnar> All sorts, usually synchros and servos
[14:58] <LeoBodnar> If it's pulsing that it can't get GPS lock rather than restarting
[14:58] <x-f> LeoBodnar, i went for the soft version of that - http://space.people.lv/tracker/ (wait for it to load and click on "LAASE" tab)
[14:58] <LeoBodnar> B-12 should be 500Hz down from B-11
[14:58] <LeoBodnar> On USB
[14:59] <LeoBodnar> Beauty x-f, why don't you develop stuff for spaceanr.us ?
[15:00] <AKumar> HI, I'm interested in high-altitude balloon launch. However, I have no idea about its various aspects.. I would be glad if someone can teach me about HAB various aspects over skype.. Just an overview about it will be great.. 30 mins skype chat.. I'm ready to pay for it.. Anyone? Email me@ iam.aakashkumar7@gmail.com
[15:00] <Upu> don't get excited I'm uploading some data I've received
[15:00] <Upu> from last night for B12
[15:01] <Laurenceb_> didnt jcoxon set something up with aircraft panel indicators?
[15:01] <arko> B11 is drawing fibonacci spirals :)
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[15:04] Nick change: [1]iain_g4sgx -> iain_g4sgx
[15:05] <Upu> $$B-12,1132,211519,47.666,11.7913,9074,8,-29,3.21,0*629e
[15:05] <Upu> is the last one
[15:05] <Laurenceb_> where did you get this?
[15:06] <Geoff-G8DHE> AKumar, Have you tried the Wiki to start with http://ukhas.org.uk/start
[15:06] <Geoff-G8DHE> If you read some of that you will be able to start asking sensible questions
[15:06] <Upu> a German HAM without dl-fldigi via PE2G
[15:06] <Upu> http://sharetext.org/KC0j
[15:06] [1]iain_g4sgx (~yahalimu@ joined #highaltitude.
[15:08] <AKumar> hmm.. yes I have went through many resources.. I dont hav indepth knowledge about electronics.. Its difficult for me to understand & confusing.. I'm looking for someone who can give me overview over skype.. Then, I can find a group & launch it..
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[15:10] <LeoBodnar> Has anybody noticed how much faster battery has charged and internal temperature reached almost +10C over Italy vs Old Blighty
[15:11] <smrtz> eroomde: I got a response from that helikite guy, he was really helpfull.
[15:11] <ike> hi AKumar, speak with Joel_re
[15:11] <ike> he can help you
[15:11] <ike> just type /msg Joel_re hi
[15:11] <ike> and he is there for you
[15:11] <Upu> Yup LeoBodnar lower temps seriously screw recharging
[15:11] <AKumar> Ok.. Thanks.. I have been trying a lot for past few days..looking for someone who can help me ..
[15:12] <crash_18974> LeoBodnar: that's an awesome flight you have going!
[15:12] [1]iain_g4sgx (~yahalimu@ left irc: Ping timeout: 240 seconds
[15:13] <LeoBodnar> This side of the planet needs more Sun
[15:13] <ike> low temp = slow chemical reaction
[15:13] <AKumar> but Joel_re isnt online
[15:13] <ike> it is
[15:13] <ike> it's in channel #43oh
[15:14] <ike> I can see him
[15:16] <AKumar> <ike> wht is channel $43oh
[15:17] <ike> he is in /j #43oh
[15:17] <ike> type /j #43oh
[15:18] <Steve_2e0vet> anyone know where i will find voltage regulators for eagle
[15:19] <chrisstubbs> Steve_2e0vet, do you know what regulator you are after?
[15:19] <Babs__> arko - how is it?
[15:20] <iain_g4sgx> Ooops, sounds like someone started a hoover or summut in Italy, massive motor qrm
[15:20] <Steve_2e0vet> chrisstubbs, funny you should ask that, no, i was going to ask you if there was one that was recommended
[15:20] <chrisstubbs> the tps16201 is nice if you are feeling brave enough to solder it
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[15:20] <chrisstubbs> thats a boost regulator that takes 1.5v from one AA up to 3.3v
[15:20] <Steve_2e0vet> maybe a not so brave one
[15:21] <LeoBodnar> What receiver are you on th the moment iain_g4sgx ?
[15:21] <chrisstubbs> sparkfun sell a breakout but its a tad expensive https://www.sparkfun.com/products/10255
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[15:21] <chrisstubbs> Steve_2e0vet, is this going to be a pico payload or normal "biggun"?
[15:21] <Steve_2e0vet> chrisstubbs, is it dificult to solder the boost reg
[15:21] <Steve_2e0vet> chrisstubbs, a pico ideally
[15:22] <Steve_2e0vet> i was ideally wanting one either from farnells or ebay
[15:22] <chrisstubbs> Apparently its easy with the practice, I found it a bit fustrating but only soldered ne
[15:22] <chrisstubbs> one
[15:22] <LeoBodnar> Crema ok
[15:22] <mattbrejza> Steve_2e0vet: i think some people have used SOT stepups, but not sure
[15:22] <mattbrejza> either way its geneerally best to find one that is known to owkr well
[15:23] <mattbrejza> as stepups can be annoying
[15:23] <chrisstubbs> I tried an SOT but never had any luck
[15:23] <chrisstubbs> ^^
[15:23] <Steve_2e0vet> one that works well and one that i can get an eagle icon for
[15:23] <mattbrejza> do you want 1AA->1.8V?
[15:23] <LeoBodnar> thanks crash_18974
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[15:23] <mattbrejza> well you can get an eagle icon for anythung if you make it yourslf
[15:23] <LeoBodnar> I am not doing much actually
[15:23] <Steve_2e0vet> not sure i need to check its for NTX2 and ublox
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[15:24] Nick change: [1]iain_g4sgx -> iain_g4sgx
[15:25] <Steve_2e0vet> chrisstubbs, i will bite the bullet and try the boost regulator, do you know eagle part ?
[15:25] <chrisstubbs> I think its in the eagle library
[15:25] <chrisstubbs> *ava library
[15:25] <iain_g4sgx> gonna have to pass for a bit, internet too flakey right now, getting disconned all the time
[15:25] <LeoBodnar> Are you on Crema?
[15:25] <iain_g4sgx> i was
[15:25] <Steve_2e0vet> chrisstubbs, but also not sure which eltro cap and LED's to select - any ideas?
[15:25] <Geoff-G8DHE> He has just disconnected I'm on Crema at the mo
[15:26] <Ugi_> B11 seems to be transmitting huge distances - some of the positions down over Italy were relayed from receivers in Holland! Is that right?
[15:29] <Piet0r> No
[15:29] <Piet0r> Last point from PE2G is over Germany
[15:30] <chrisstubbs> Steve_2e0vet, any 0603 LED. go into the led-->led-->LEDCHIP-LED0603 in the add menu and you will see the massive list of led part numbers that will fit on the pad
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[15:30] <chrisstubbs> what do you mean by eltro cap?
[15:30] <Steve_2e0vet> electrolythic
[15:30] <mattbrejza> ceramic caps ftw
[15:30] <mattbrejza> smaller size, less internal resistance and so forth
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[15:30] <chrisstubbs> Yeah you want 22pf ceramic 0603 capacitors loading the crystal
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[15:31] <Steve_2e0vet> just following a curcuit diagram and the psu has 2 electrolythic caps in it]
[15:31] <mattbrejza> you sure?
[15:31] <Steve_2e0vet> chrisstubbs, yeah i got those
[15:32] <Steve_2e0vet> there is a + on one side so i assume so with my limited electronics knowledge
[15:32] <mattbrejza> stepups tend to always specify ceramics
[15:32] <Steve_2e0vet> mattbrejza, ok, the curcuit isnt for a step up
[15:32] <Steve_2e0vet> it the basic arduino one
[15:32] <mattbrejza> oh right
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[15:32] Nick change: [1]iain_g4sgx -> iain_g4sgx
[15:33] <Steve_2e0vet> so maybe I shouldnt use a step up and stick to the diagram
[15:33] <mattbrejza> small ceramics might be a reasonably new thing, hence them replacing electros
[15:33] <mattbrejza> na dw about that
[15:33] <nats`> Steve_2e0vet right at the output of a PSU you always want lowest ESR
[15:33] <nats`> for that you put ceramice cap
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[15:33] <mattbrejza> do the stepup and use the caps it suggest
[15:33] <mattbrejza> s
[15:33] <nats`> problem is when you need big cap
[15:33] <nats`> in that case you put many cap in parallel to reduce ESR
[15:34] <nats`> ESR ou the output of a switched PSU is fucking nasty
[15:34] <mattbrejza> then for each device add its required decoupling (usually 100n or 1u combination_
[15:34] <Steve_2e0vet> basically i have got a couple of mini pro arduino's and got the diagram off their site, and part of it is the su,
[15:34] <Steve_2e0vet> *psu
[15:34] <mattbrejza> did you intend to solder a 328 directly to the board?
[15:34] <nats`> could you repost the link I don't find it in my backlog
[15:34] <Steve_2e0vet> its a 168
[15:34] <mattbrejza> electros are probably cheaper so thats probably why they used one
[15:35] <nats`> nop
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[15:35] <nats`> electro are not cheaper
[15:35] <nats`> ceramic is really the low cost of cap
[15:35] <mattbrejza> how about large electros?
[15:36] <nats`> in that case they are the only choice :=)
[15:36] <mattbrejza> (i havnt actually used them for something in a long while)
[15:36] <Laurenceb_> b11 outof range again?
[15:36] <nats`> but large electro guaranteed low esr are fucking expensive
[15:36] <nats`> and worst their esr is always worse than ceramic esr
[15:37] <nats`> ceramic problem is when you have a DC part on them
[15:37] <nats`> it reduces the effective capacitance of the cap
[15:37] <Steve_2e0vet> this is what i am trying to du http://imgur.com/AFEtDJS so any advice on eagle items or the stepup would be much appricated
[15:38] <Steve_2e0vet> *do even
[15:38] <Geoff-G8DHE> Laurenceb, Looks like it, I'm trying the Toulouse GT but nothing so far
[15:38] <arko> Babs__: leaving my house in 3 hours
[15:38] <mattbrejza> got everything?
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[15:38] <arko> gonna get some lunch with my parents then off to the airport
[15:38] <arko> yeah packed and ready
[15:38] <nats`> what is u2 ?
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[15:38] <mattbrejza> bringing anything for show and tell?
[15:38] <arko> unfortunatly not
[15:39] <nats`> youhave MPS doing switched psu chip in friendly package
[15:39] <arko> ive never flown international and didnt want anything taken away
[15:39] <Steve_2e0vet> nats`, a voltage reg i think but doesnt mention any thing specific
[15:39] <mattbrejza> not even in the hold?
[15:39] <nats`> Steve_2e0vet here I think of a linear one
[15:39] <arko> dont know what that is
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[15:39] <mattbrejza> not hand luggage
[15:40] <nats`> Steve_2e0vet you want basically 0.8v to 1.8v ?
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[15:41] <nats`> http://www.monolithicpower.com/Lists/Product_Synchronous%20Switcher_5752/DispForm.aspx?ID=11 <= check that one :)
[15:41] <arko> not sure how things would go through in customs
[15:41] <Steve_2e0vet> i need to check but i dont think 1.8 is enough for ublox and ntx2
[15:41] <Darkside> fine for ublox
[15:41] <Darkside> not for NTX2
[15:41] <arko> i'll see how it is
[15:41] <Darkside> which is why the 1.8v payloads use RFM22B's, or similar
[15:42] <Steve_2e0vet> sorry its a stepup to 3.3
[15:42] <mattbrejza> i think any issue would be the US side than here though
[15:42] <mattbrejza> never mind either way
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[15:43] <mattbrejza> ublox is 2.7V?
[15:43] <mattbrejza> oops
[15:43] <mattbrejza> ntx2
[15:43] <mattbrejza> however the new one will be lower i think
[15:43] <Upu> its not
[15:43] <[1]iain_g4sgx> Still QRM on crema?
[15:43] <mattbrejza> :/
[15:43] <Steve_2e0vet> Darkside, thanks for tha
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[15:43] <Upu> had a few chats with them about this
[15:44] <mattbrejza> although doesnt matter so much now the new ublox is better
[15:44] <[1]iain_g4sgx> Thats why i gotta use an Si chip cos running my PIC @ 2V
[15:44] <mattbrejza> but stepping up to 3.3V and stepping back down again internally in the ublox seems a bit silly
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[15:45] <wbnet> Hello, anyone in here?
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[15:45] <Upu> sure 147 of us
[15:45] <Upu> hi
[15:46] <wbnet> HABer in US here
[15:46] <Upu> hi there
[15:47] <Upu> where abouts in the States ?
[15:47] <wbnet> Outside of Philadelphia
[15:47] <wbnet> Trying to put together my own launch, looking for advice from the experts
[15:47] <arko> born and raised
[15:47] <wbnet> Born and raised my friend
[15:47] <arko> :)
[15:47] <Upu> arko is our resident West Coastian
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[15:47] <arko> let me know if you ever move to bel air
[15:48] <arko> im in los angeles
[15:48] <wbnet> arko I used to live in Santa Monica
[15:48] <arko> oh sweet
[15:48] <arko> nice place
[15:48] <wbnet> worked right off of Sepulveda
[15:48] <arko> nice!
[15:48] <wbnet> beautiful. Philly will always be home
[15:48] <wbnet> any launches coming up out there?
[15:48] <arko> not here no
[15:48] <arko> other than me
[15:48] <Upu> one in the air now wbnet :)
[15:49] <arko> http://spacenear.us/tracker/
[15:49] <wbnet> Right I saw that link, that's great
[15:49] <Upu> bit messy atm
[15:50] <wbnet> wondering if anyone could suggest the best receiver/gps to use
[15:50] <Upu> LeoBodnar's balloon forgot it was suppose to burst
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[15:50] <Upu> at the moment the only real option for high altitude GPS modules is the ublox ones
[15:50] <Upu> Adafruits ""Ultimate" isn't very Ultimate above 27km
[15:50] <mattbrejza> <3 lassen IQ
[15:50] <wbnet> ublox?
[15:50] <Upu> well yes you can still get them in antique stores :)
[15:51] <nats`> when don't you do your own small form factor board ?
[15:51] <mattbrejza> it saved my arse last launch
[15:51] <nats`> why
[15:51] <nats`> not when
[15:51] <Upu> in the US you have a choice on how to transmit
[15:51] <Upu> generally you (you being americans) use APRS
[15:51] <wbnet> right I've been reading up on APRS
[15:52] <wbnet> seems like everyone i've talked to has done it differently
[15:52] <Upu> well don't use GSM trackers other than backup
[15:52] <Upu> some sort of radio is good
[15:52] <LeoBodnar> B-11 is 2nd longest flight {I think}
[15:52] <wbnet> I know in the US there are restrictions on the type of signal we are able to use.
[15:52] <Upu> if your tracker is coming in at 600g you're probably doing it wrong
[15:52] <wbnet> arko are you a HAM?
[15:52] <Upu> are you wbnet?
[15:52] <arko> unfortunatly
[15:52] <wbnet> I'm not
[15:52] <Upu> keep going LeoBodnar :)
[15:52] <arko> unfortunately*
[15:52] <wbnet> but wondering if it might be worth becoming one
[15:53] <arko> blah
[15:53] <SpeedEvil> Someone link him the tracker next to the door :)
[15:53] <Upu> you can take down K6RPT :)
[15:53] <arko> its worth it
[15:53] <Upu> you need to be one over there
[15:53] <arko> just do it :)
[15:53] <Upu> to use both APRS & 434Mhz
[15:53] <arko> ^
[15:53] <arko> super easy test too
[15:53] <wbnet> right that's what I heard
[15:53] <Upu> 434Mhz isn't exempt over there
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[15:53] <Upu> Afternoon Bill
[15:53] [1]iain_g4sgx (~yahalimu@ joined #highaltitude.
[15:53] <Upu> wbnet this is wb8elk who pretty much started amateur balloon launches in the US
[15:54] <wb8elk> morning...looks like Leo has found a Globaltuner in Italy that is receiving B-11
[15:54] <Upu> yep its still up
[15:54] <wbnet> Hey APU
[15:54] <Upu> batteries charged
[15:54] <Upu> no sign of coming down
[15:54] <Upu> oh lookie adam84 is RXing
[15:54] <Upu> from Corsica
[15:54] <Upu> epic
[15:55] <wb8elk> wonder which Globaltuner that Leo is using at the moment
[15:55] <Upu> thats a might fine location to be in at this point in time
[15:55] <wbnet> hey Arko and wb8elk, if you wouldn't mind emailing me so we don't clutter up this room, I'd love to talk to both of you more.. drew@theviewfromthetop.com
[15:56] <Upu> Crema
[15:56] <Upu> welcome to chat here wbnet
[15:56] <arko> im about to catch a flight to the uk.. i can ping you tomorrow
[15:56] <wbnet> that'd be perfect
[15:56] <Upu> wbnet we have a conference on Saturday in London
[15:56] <wbnet> safe travels
[15:56] <crash_18974> wbnet: I'm from outside of Philly, in VA now
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[15:56] <Upu> try catch the stream
[15:56] <arko> wbnet: http://wiki.032.la/habex2
[15:56] <wbnet> crash_18974 that's great
[15:57] <arko> if you scroll to the end of that i gave a talk about habing in the us
[15:57] <wbnet> I'm in center city currently
[15:57] <arko> should give you ballpark idea
[15:57] <wbnet> thanks for the link arko
[15:57] <arko> cheers
[15:57] <Upu> lol
[15:57] <Upu> best overview ever : http://wiki.032.la/_media/concept_habex2.png
[15:58] <wbnet> apu this explains EVERY question I've ever had
[15:58] <wbnet> thank you
[15:58] <wbnet> hahaha
[15:58] <wbnet> Upu
[15:58] <Upu> Apu is from the Simpsons :)
[15:58] <Upu> I'm Upu :)
[15:58] <wbnet> haha
[15:58] <wbnet> I stand corrected
[15:59] <SpeedEvil> wbnet: http://leobodnar.com/balloons/B-10/Pages/7.html - flying over italy right now
[15:59] <Upu> hey LeoBodnar that Corsican station is epic position
[15:59] <SpeedEvil> http://leobodnar.com/balloons/B-10/Pages/2.html
[15:59] <Upu> should be back in France soon they'll pick it up
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[16:00] <LeoBodnar> http://wiki.032.la/_media/concept_habex2.png beauty
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[16:00] Nick change: davidb___ -> david10
[16:00] <LeoBodnar> Right place at the right time :)
[16:01] <Steve_2e0vet> nats`, do you know anyone in uk that stocks MP3120
[16:01] <wbnet> need to hop off. Upu and crash_18974, email me drew@theviewfromthetop.com. If you wouldn't mind, I've got US specific questions.
[16:01] <nats`> Steve_2e0vet let's check mouser :)
[16:02] <nats`> http://fr.mouser.com/Search/Refine.aspx?Keyword=mp3120
[16:02] <nats`> but care to the minimum cost to have free post and to VAT
[16:02] <crash_18974> wbnet: I can't help much unfortunately. I'm in early learning stage.
[16:02] <nats`> in last chance you can try to ask mps to send you samples
[16:03] <enkidu> to previous discission about capacitors: electrolytic ones have to be chosen with care of their temperature range
[16:04] <nats`> enkidu in fact don't use electro cap where you don't absolutely needs it :)
[16:04] <nats`> C0G is so cheap now :)
[16:04] <enkidu> yeah. it is true
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[16:08] <Upu> if it follows that prediction LeoBodnar that would be epic :)
[16:08] <Upu> whats the longest duration so far ?
[16:08] <Upu> and how far are you off it ?
[16:10] <enkidu> so far it is really going to draw giant penis on map
[16:10] <arko> Upu: lol
[16:10] <arko> figured some people still wouldn't get it
[16:10] <LeoBodnar> Longest duration is 84 hours
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[16:11] <Upu> what are we on at the moment ?
[16:11] <LeoBodnar> There is abundance of tracking station icons in the right place too.
[16:11] <LeoBodnar> 71:20
[16:11] <arko> i hope its still flying when i arrive
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[16:12] <nats`> I would love to do elec board for that kind of stuff I'm reading all the launch trial that's funky :)
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[16:15] <tweetBot> @AnthonyStirk: Leobodnar's B-11 Balloon now being RX'd in Corsica and turning back north. 434.500Mhz DominoEX16 5 min TX with pips #ukhas #hamr #amsat
[16:15] <mattbrejza> hey arko, take a reciver on the plane, the extra height advantage should get you some decodes </great idea>
[16:16] <arko> haha
[16:16] <Upu> oh can imagine that going down well
[16:16] <arko> that would be pretty amazing
[16:16] <mattbrejza> someone i heard of went to america for a conference and took a uav/glider thing in their handluggage
[16:16] <mattbrejza> apparently there were no issues
[16:16] <mattbrejza> but they decided it would be best if the phd student were to take it with them
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[16:17] <crash_18974> has anyone tried relaying through another balloon?
[16:17] <Upu> I suspect if Arko starts setting up a receiving station on the plane it may end with him in plastic cuffs
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[16:18] <arko> yeah,,,,
[16:18] <arko> im gonna avoid that
[16:18] <LeoBodnar> crash_18974: sort of a slow moving project
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[16:18] <ike> LeoBodnar balloon to balloon communication ;)
[16:19] <Laurenceb_> B-11 has now set new record :P
[16:19] <LeoBodnar> yeah, hardware is in place just need to get on with it
[16:19] <Laurenceb_> coming up to 72 hours
[16:19] <LeoBodnar> Cheers! [Champagne]
[16:20] <smrtz> ike: LeoBodnar I'm experimenting with plain to quadcopter and balloon communication.
[16:20] <Laurenceb_> interesting how the solar panel voltage has the same profile each day
[16:20] <Laurenceb_> the problem with receiving is you need a directional antenni
[16:20] <LeoBodnar> Still better charging/temp over Italy than UK
[16:20] Action: arko is excted to know that a B flight will likely still be up in the air when he arrives
[16:20] <Laurenceb_> unless you can accept a 10dB+ loss
[16:20] <LeoBodnar> arko: make sure you don't fly at 9000m
[16:20] <Laurenceb_> arko: just dont fly into it in your plane
[16:21] <Laurenceb_> yeah
[16:21] <arko> LeoBodnar: lol
[16:21] <smrtz> We're using arrdupilot, paparazzi, and raspberry pies.
[16:21] <crash_18974> yea, RX antenna would be the main issue
[16:21] <smrtz> We've got a quadcopter meshnet going on now.
[16:21] <LeoBodnar> I thought it was a reply from your captain arko
[16:21] <Laurenceb_> arrdupilot?
[16:21] <Laurenceb_> pirate pilot?
[16:21] <smrtz> ardupilot*
[16:21] <Laurenceb_> heh
[16:21] <smrtz> haha, nice.
[16:22] <Geoff-G8DHE-M> LeoBodnar, Which GT station are you using nw ?
[16:22] <LeoBodnar> You walk into 747 cockpit and they are uploading a sketch
[16:22] <LeoBodnar> Crema
[16:22] <Geoff-G8DHE-M> oh right
[16:22] <LeoBodnar> Thanks for tipping it
[16:22] <LeoBodnar> I thought it is deaf
[16:23] <Geoff-G8DHE-M> what made it come up then ?
[16:23] <LeoBodnar> Don't know, works treat now
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[16:23] <Geoff-G8DHE-M> right I'll try again later
[16:23] <LeoBodnar> Some random QRM but still ok
[16:24] <enkidu> there is nice temperature on 300hpa level over Italy, no wonder batteries are charging better
[16:24] <Laurenceb_> need another 12 hours to take the record from PBH
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[16:26] <LeoBodnar> Hmm not easy through the night
[16:27] <Laurenceb_> due to lack of ground stations you mean?
[16:27] <enkidu> It may do it, overnight it will be at Lyon region, where air is warmer
[16:27] <Geoff-G8DHE-M> right still low audio with me
[16:28] <enkidu> need F0ERP to start tracking
[16:29] <ike> LeoBodnar send 1 balloon every 2H to keep communication line alive
[16:29] <Laurenceb_> heh
[16:29] <Laurenceb_> youd need LNA and SAW for it to stand a chance of working
[16:30] <LeoBodnar> Yeah ike, played with this idea but mesh network needs a bit of thought
[16:30] <LeoBodnar> Looks like it Laurenceb_
[16:30] <mattbrejza> 500mW on 869? or way too much power?
[16:31] <Laurenceb_> hmm yeah that might work
[16:31] <Laurenceb_> but yeah a lot of power
[16:31] <mattbrejza> well atm the payload seems to be swimming in power
[16:31] <LeoBodnar> predictions for B-11 http://ready.arl.noaa.gov/hypubout/12121_trj001.gif
[16:31] <Laurenceb_> HF might be a better plan
[16:32] <Laurenceb_> or 434 with a pseudorandom sequence
[16:32] <Laurenceb_> but then you need syncronised receivers
[16:32] <LeoBodnar> I really want HF
[16:32] <enkidu> LeoBodnar: this path would be OK, I could receive it with my antenna 50m otl
[16:32] <mattbrejza> shame my HF transmitter broke :(
[16:33] <mattbrejza> should really make a new one to fly
[16:33] <LeoBodnar> What's wrong with it?
[16:33] <mattbrejza> it puts out shit :P
[16:33] <LeoBodnar> cool enkidu !!
[16:33] <mattbrejza> realyl not sure
[16:33] <mattbrejza> should really look
[16:33] <mattbrejza> and being 27MHz i can just connect to a scope
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[16:33] <mattbrejza> its like working with DC
[16:34] <smrtz> Anyone here going to say "Hi" to Juno? http://www.jpl.nasa.gov/hijuno/
[16:34] <enkidu> LeoBodnar: due to terrain profile it is 80 meters over sea level, and sea is just 5 km away
[16:34] <LeoBodnar> Yeah, normal instrumentation works
[16:34] <arko> i said hi to her before she launched :)
[16:34] <smrtz> haha, nice, arko
[16:36] <arko> WOAH!
[16:36] <arko> i dont remember this in the mission plan
[16:36] <arko> thats aewsome
[16:36] <arko> good link smrtz
[16:36] <smrtz> Yeah, I fond it on reddit, what the OP?
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[16:37] Nick change: KipK -> KipK_away
[16:37] <smrtz> http://www.reddit.com/r/amateurradio/comments/1louqv/nasa_is_asking_for_help_from_all_amateurs/
[16:37] <arko> v cool
[16:38] <enkidu> have no receiver for 27mhz band
[16:38] <Laurenceb_> theoretically we could use pseudorandom sequences on 434mhz
[16:38] <Laurenceb_> but we'd need a time reference
[16:38] <smrtz> Yeah, All I've got is UV-5R
[16:39] <smrtz> but it's still fun to read about.
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[16:39] <LeoBodnar> GPS 1PPS? Laurenceb_
[16:41] <mewla4> there is only 25 letters in there alphabet
[16:42] <ATCC> Any news of B12?
[16:42] <Laurenceb_> no - local to the receiver
[16:42] <keydash> hmm seem the sttratodean project worked and it's info it's dfrom here :D
[16:43] <Geoff-G8DHE-M> Oh oh http://connect.dpreview.com/post/1040220037/first-look-sony-qx10-qx100-mobile-cameras these could be interesting!
[16:44] <arko> wat
[16:45] <enkidu> nfc driven camera
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[16:46] <Geoff-G8DHE-M> Standalone units, with own battery and memory, talk via WiFi etc.
[16:46] <enkidu> but it rather wont turn on in -27 degrees
[16:46] <eroomde> smrtz, glad he was helpful
[16:47] <Geoff-G8DHE-M> who knows doubt if its been tested that low!
[16:47] <enkidu> bottery will not provide enough power for motors
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[16:50] <Laurenceb_> needs a cutdown to arrive in Monaco
[16:53] <cuddykid> hi all
[16:53] <cuddykid> am I seeing things right& B-11 has been floating since sunday?!
[16:53] <enkidu> yes
[16:53] <Geoff-G8DHE-M> Its coming bck to go to the Conf. as well!
[16:53] <Laurenceb_> 72 hours flight time
[16:54] <cuddykid> wow
[16:54] <cuddykid> new record?
[16:54] <enkidu> it probably will last even longer
[16:55] darkstar-20011 (~matt@dsl-217-155-229-6.zen.co.uk) joined #highaltitude.
[16:55] <cuddykid> guessing this is a pico?
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[16:58] <Laurenceb_> 1287Km range
[16:58] <Laurenceb_> 2nd place for range
[16:58] <LeoBodnar> Oh, cool
[16:59] <LeoBodnar> B-12 is first place for weight, not bad
[16:59] <LeoBodnar> Lightest weight (AmE)
[16:59] <enkidu> not really 1287, there was remote receiver
[16:59] <enkidu> near San Marino
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[17:01] <LeoBodnar> Upu: are going to stay with the receiver? I have to drive home in a minute. Don't want to lose it for the night
[17:01] <LeoBodnar> *are you
[17:02] <LeoBodnar> I will re-join in a bout 40 min
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[17:08] <Upu> I can't decode anything
[17:08] <Upu> lemmie try it on netbook
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[17:15] <LeoBodnar> Just don't leave the receiver so it doesn't get taken for the night by some US sat pirate like last night
[17:15] <Steve_2e0vet> Upu, can i be lazy
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[17:17] <Upu> ok on it Leo
[17:17] <Upu> do what you want for me Steve :)
[17:18] <Steve_2e0vet> off the top of your head how many Ma does ublox use?
[17:18] <Steve_2e0vet> ive found the ntx2 data sheet so think thats 18
[17:18] <LeoBodnar> cheers
[17:18] <LeoBodnar> going home, see you later guys
[17:19] <mattbrejza> what did you want? max? typical? minimum? etc
[17:19] <mattbrejza> max is 80 or so if youre spec'ing a regulator
[17:19] <Steve_2e0vet> suppose it better be max
[17:19] <Upu> which ublox ?
[17:19] <Upu> and in what mode ? :)
[17:19] <Upu> max6 ~60mA under acquire 18mA cyclic tracking
[17:20] <Upu> max7 ~25mA under acquire 6mA cyclic
[17:20] <Steve_2e0vet> i knew there would be difficult questions, thought it had to be max7 (for some reason)
[17:20] LeoBodnar (5685d3d1@gateway/web/freenode/ip. left irc:
[17:20] <Upu> I have some MAX6G's left which I'd like to shift
[17:20] <Upu> at 1.8V they are just as good as the MAX7
[17:21] <Steve_2e0vet> i suppose i could use them if i can build the regulator curcuit, they may have passed the sell by date by then lol
[17:22] <enkidu> http://meteomodel.pl/gfseu/WIND300/09 this is what will drive balloon in next hours
[17:22] <Steve_2e0vet> is the max6 & 7 same footprint and pins
[17:24] <Upu> yes
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[17:33] <Steve_2e0vet> Upu, the ntx2 works at 3.3 doesnt it?
[17:34] <Upu> yes
[17:34] <Upu> internally at 2.7v
[17:34] <Upu> so its fine down to 3 I think
[17:34] <Laurenceb_> sunset
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[17:38] <Upu> is adam84 from Corisca online ?
[17:39] <Lunar_Lander> hi Upu
[17:39] <Upu> hi Lunar
[17:39] <Lunar_Lander> I have a headache, but wanted to share this http://i.imgur.com/hvExC16.png
[17:39] <Upu> much better :)
[17:39] <Upu> though that GPS antenna needs looking at
[17:39] <Upu> but surface mount I approve
[17:40] <Lunar_Lander> witht the planes http://imgur.com/g8qQXHF
[17:40] <Lunar_Lander> yea
[17:40] <enkidu> Lunar_Lander: you could fit it on one layer with ground on another
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[17:40] <Upu> I just lost that GT LeoBodnar
[17:40] <Upu> connection
[17:40] <Lunar_Lander> you mean the tracks?
[17:40] <enkidu> yes
[17:40] <Lunar_Lander> ah
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[17:40] <LeoBodnar> me too, kicked out?
[17:41] <enkidu> also dont place vias too close one to another
[17:42] <Upu> got it back LeoBodnar
[17:43] <Upu> possibly reset
[17:43] <LeoBodnar> I'm back too
[17:44] <Upu> I'm going to go for a bit shortly, I'll log out in case we are overloading it
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[17:46] <Upu> keeps dropping out
[17:46] <LeoBodnar> ok
[17:46] <Upu> dunno if thats my end
[17:46] <nats`> can I ask why you still use atmega ?
[17:49] <Upu> who ?
[17:51] <Lunar_Lander> because the next generation atgiga
[17:51] <Lunar_Lander> well it is embarrassing
[17:51] <Lunar_Lander> we got it
[17:51] <Lunar_Lander> and then I sat on the package and broke it
[17:52] <Lunar_Lander> that was a really crappy day
[17:52] <nats`> atgiga ?
[17:52] <Laurenceb_> battery voltage seems to be holding up ok
[17:52] <Laurenceb_> LeoBodnar: did B-12 have a battery from a different manufacturer?
[17:52] <Upu> and adam84 whom ever he is still receiving
[17:53] <Upu> yeah you need to write this up carefully :)
[17:53] <Upu> not accepting "ebay" as supplier :)
[17:53] <bertrik> nice to see how there are now a lot of receivers in France :)
[17:53] <LeoBodnar> Yes, and used to that.
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[17:54] <Upu> oh you have a new station on the flight path in France
[17:54] <nats`> you don't need a paris station I think ?
[17:54] <Upu> two actually
[17:54] <LeoBodnar> Some random battery from a junkbox. It also had 4.02V on it so was stored charged. Bad idea. Only new ones from now on.
[17:54] <Laurenceb_> those sparkfun ones are apparently -25C
[17:54] <Upu> once it gets to northern france we have some very good trackers
[17:55] <Laurenceb_> seems better than normal
[17:55] <LeoBodnar> *the battery was used on top of that
[17:55] <mewla4> give us a chance I only found this ballooning abt a week ago ( south of toulouse)
[17:55] <Upu> bon soir mewla4 :)
[17:55] <Laurenceb_> if F6AIU is around he should get it pretty soon
[17:55] <Upu> no insult intended
[17:55] <Upu> they have been doing it for years
[17:55] <LeoBodnar> I am keen to do some comparative research on LiPos now. Since we have considered them completely unsuitable before.
[17:56] <mewla4> non taken
[17:56] <Upu> please ask away see f you can RX it, you're looking for some pips about 3 seconds apart
[17:56] <LeoBodnar> I have LiFePo4s as second choice but looks like LiPos can be used if well executed.
[17:56] <mewla4> used to be in mid wales
[17:56] <Upu> I think you're operating them on the very edge of whats possible
[17:56] <Upu> I suspected by your use of English :)
[17:56] <Upu> however
[17:57] <Laurenceb_> i know someone from Marseille who does HAM
[17:57] <Upu> now you've ascertained you can get them above 0'c
[17:57] <Upu> to charge
[17:57] <Laurenceb_> unfortunately he is currently living next door to me
[17:57] <Upu> we have a few more options
[17:57] <Upu> lol Laurenceb not much good :)
[17:57] <nats`> LeoBodnar why did you consider lipo as unusable for that ?
[17:57] <Upu> did you decode that 17:56 one ?
[17:58] <LeoBodnar> Yeah, up to +10C today in good sunshine. Impressive. Total lack of thermal insulation however crazy - works.
[17:58] <Laurenceb_> black heat shrink tube?
[17:59] <LeoBodnar> Yeah, Raychem
[17:59] <LeoBodnar> nats`: I wasn't but I have been assured they are useless
[17:59] <LeoBodnar> I mean collective we
[18:00] <nats`> but for what reason ?
[18:00] <nats`> because I'm on a project with batteries and I grab as much as opinions possible :)
[18:01] <LeoBodnar> nats`: http://batteryuniversity.com/
[18:01] <Upu> manually fixed those last 2
[18:02] <Upu> this should be the replay this time
[18:02] <Upu> yeah here it goes
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[18:04] <Laurenceb_> battery is about the same as yesterday
[18:04] <Laurenceb_> looking good
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[18:05] <bertrik> is there any hope left for B-12?
[18:05] <Upu> possibly
[18:05] <Upu> not ruling anything out atm
[18:05] <Laurenceb_> well running out of time to find it before it gets cold and dark again
[18:05] <Upu> ok replay done
[18:05] <enkidu> anyways, its battery was very low
[18:06] <Upu> right I'm afking
[18:06] <Upu> I'll leave it on LeoBodnar
[18:06] <LeoBodnar> cheers
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[18:10] <jcoxon> evening all
[18:11] <jcoxon> b11 is awesome
[18:11] <arko> yo yo
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[18:13] <LeoBodnar> evening jcoxon
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[18:13] <jcoxon> LeoBodnar, so is it an hour since last data?
[18:14] <LeoBodnar> considering how it started its flight (up and down between 3000 and 8000m)
[18:14] <LeoBodnar> no, just recently updated
[18:15] <jcoxon> LeoBodnar, i look forward to the debrief on saturday...
[18:15] <jcoxon> going to pick your brains about these flights
[18:16] <david10> that could be part of the open question and answers session your down for jcoxon
[18:16] <david10> LeoBodnar: could join in
[18:16] <jcoxon> hehe when i get to answer the questions!
[18:16] <LeoBodnar> Yeah, from the back benches :)
[18:17] <mattbrejza> didnt think there was a Q&A? :/
[18:17] <LeoBodnar> From me mostly Q&Q
[18:17] <david10> think there was one scheduled
[18:17] <fsphil> B-12 time travelled?
[18:17] <Chetic> what is it that shifts the transmission frequency slightly on a hab flight?
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[18:18] <mattbrejza> fsphil: they were sent in email to u pu last night
[18:18] <mattbrejza> manaually entred today
[18:18] <fsphil> ahh
[18:18] <jcoxon> Chetic, temperature usually
[18:18] <fsphil> gotcha
[18:18] <LeoBodnar> Some mahoosive noise, just in case we lose it now: $$B-11,2567,181319,43.40i k.3108,8ti=01t uQ1,0.2*1409 $$B-11,2568,18154t43.4045,9.2964,8776,8,-21,3.93,0.14*b54e
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[18:19] <Chetic> I remember hearing somebody make some hw that compensated for the frequency shift
[18:19] <Chetic> by adjusting an oscillator
[18:19] <LeoBodnar> could be your receiver drifting as well Chetic
[18:19] <Chetic> drifting how?
[18:19] <david10> mattbrejza: Balloon Q&A - James Coxon https://docs.google.com/document/d/1SjENgll8iYXLDli4HJHR1DgjHrHjmpAm1vChTz-bo-M/edit?pli=1
[18:19] <LeoBodnar> My DTV dongle works like hot wire anemometer
[18:19] <mattbrejza> oh yea
[18:19] <mattbrejza> i was thinking of least years discussion hour
[18:19] <jcoxon> mattbrejza, it was more for newbies
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[18:20] <david10> no way jcoxon ;)
[18:20] <jcoxon> hehe
[18:20] <david10> its either that or eds maths
[18:20] <jcoxon> indeed
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[18:21] <LeoBodnar> Reference clock frequency drifting with temperature changes, battery voltage, mechanical shocks, 3D orientation, ageing, etc
[18:21] <LeoBodnar> ^ Chetic
[18:22] <LeoBodnar> Oh I'd love some math, please.
[18:22] <Chetic> I'm thinking in practice rather than in theory
[18:22] <LeoBodnar> *s
[18:22] <enkidu> ill need fm trap ;/ it is making my RX problematic
[18:22] <Chetic> when do you have to actually adjust the frequency during a flight?
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[18:22] <Chetic> do you?
[18:23] <Chetic> the receiver frequency I mean
[18:23] <Chetic> you can't stay at a fixed frequency as I understand?
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[18:26] <jcoxon> Chetic, well some payloads are able to such as the current B-11 flight
[18:27] <jcoxon> it depends on the components of the radio
[18:27] <jcoxon> the older payloads drifted more then some of the newer designs
[18:27] <Chetic> I'm thinking about my own payload and receiver
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[18:27] <Chetic> ntx2 transmitter, rtlsdr receiver
[18:27] <jcoxon> i wouldn't worry too much about drift at first
[18:28] <Chetic> am I going to have to adjust the frequency all the time?
[18:28] <jcoxon> its easy to keep tuned with your receiver
[18:28] <Chetic> how often?
[18:28] <jcoxon> perhaps every 10mins
[18:28] <jcoxon> really depends
[18:28] <Chetic> alright that gives me a sense at least
[18:28] <jcoxon> if you insulate the payload radio well it'll drift less
[18:28] <Chetic> I'm really unsure about insulation
[18:29] <Chetic> I can't make it air-tight because I want a camera looking out
[18:29] <Chetic> and I don't want it too open so everything will just freeze
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[18:29] <Chetic> obvious things, but I would love some advice
[18:30] <jcoxon> well you could insulate the radio itself
[18:30] <fsphil> keep the camera in a separate compartment
[18:30] <jcoxon> you'd be suprised how most electronics will be okay in the cold
[18:31] <Chetic> I'd like to stay within specs
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[18:31] <Chetic> and I do have access to a climate chamber
[18:31] <Chetic> but it won't do 1kpa :p
[18:31] <jcoxon> Chetic, i think you'll find that it'll be out of specs
[18:31] <Chetic> even if it's in a separate compartment, how tight is too tight?
[18:31] <jcoxon> but don't stress yourself
[18:32] <Chetic> really? people let the inside temperature drop down to -40?
[18:32] <jcoxon> well you'll find on a standard flight that it won't have time to drop that low
[18:32] <Chetic> a-ha
[18:32] <jcoxon> with minimum insulation
[18:32] <x-f> don't over-do the insulation, we had temps above +40C on our first flight :)
[18:32] <Chetic> haha it's that balance
[18:32] <jcoxon> cameras for example will keep warm themselves
[18:32] <Chetic> I have no sense for it
[18:33] <Chetic> that's good to hear
[18:33] <Chetic> the picture is most important!
[18:33] <jcoxon> Chetic, tracking is the most important!
[18:33] <Chetic> lol right, good point
[18:33] <jcoxon> or you won't get your pics back!
[18:33] <Chetic> I feel like I have a nice radio solution
[18:33] <Chetic> with the habamp and everything
[18:34] <Chetic> obama is in my town atm
[18:34] <Chetic> heard some radiochatter around 430mhz about him yesterday
[18:34] <Chetic> that was cool.
[18:34] <Geoff-G8DHE> UpuWork, can you retune Crema its been shifted downwards
[18:35] <x-f> Chetic, oh, you're in Stockholm?
[18:36] <Chetic> yeah
[18:36] <Chetic> think I could track one of your flights from here?
[18:36] <Chetic> I get the impression most here are brits
[18:36] <LeoBodnar> Can't tune
[18:37] <Bo_DK> Chetic: there are 1 dane at least :-D
[18:38] <Chetic> :D
[18:38] <x-f> Chetic, i'm across the sea - in Latvia, we should be able to track each others flights when above 15-20 km altitude
[18:39] <Chetic> wow that's awesome
[18:39] <bertrik> Chetic: I'm from the netherlands, but "only a groupie", witnessed one actual launch, and try to help with tracking anything that comes in range
[18:39] <Chetic> let me know if there's a flight I might be able to track with my stuff
[18:39] <Chetic> definitely good practice
[18:39] <DL7AD> good evening
[18:39] <Bo_DK> Chetic: and beside beeing a dane i'm a relly nutter that loves to think out the box
[18:40] <LeoBodnar> Evening DL7AD
[18:40] <Bo_DK> trying to build a fully automatic tracking station
[18:40] <DL7AD> saw b-11 and 12 :) missed it. argh....
[18:40] <Bo_DK> writing a plan for the code that would control it
[18:40] <Chetic> Bo_DK: that is very very awesome
[18:40] <LeoBodnar> B-11 is still up
[18:41] <Laurenceb_> b11 is looking nice and healthy
[18:41] <Bo_DK> Chetic: yep it was easy to get the idea.. and build a cape for a BBB
[18:41] <enkidu> Bo_DK: possible. you will just neet to simultaneusly capture ad process more channels
[18:41] <Laurenceb_> battery seems fine
[18:41] <Bo_DK> the python code is a VERY different thing
[18:41] <Chetic> Bo_DK: python code is easy. what's a BBB?
[18:41] <Bo_DK> beagle bone black
[18:42] <Chetic> Bo_DK: do you plan to track by signal strength?
[18:42] <LeoBodnar> Wow how quickly temperature drops from +ve to -25C
[18:42] <bertrik> Laurenceb_: just about sunset now for B-11 I guess
[18:42] <x-f> Chetic, there will be one on Friday, around 9 UTC, 434.650 MHz, 50 baud, 600 Hz shift - that's all i know and at that time i will be far away from it in London
[18:42] <Bo_DK> Chetic... NO..i will connect to server to get a list of flights and their gps data
[18:42] <Bo_DK> there is a bit of python code made for that part
[18:42] <Bo_DK> called hab rotate
[18:43] <Chetic> x-f: that's perfect! I'll put it in my schedule. where in the sky do I look though? :P
[18:43] <Bo_DK> so internet is required... but that could be 2g or 3g
[18:43] <Chetic> internet is everywhere, np :)
[18:43] <Bo_DK> or it can be everyhere
[18:44] <Bo_DK> hab server knows where the baloon are.... my thing will then aim antenna in that direction and alse aim right above horizon
[18:46] <Bo_DK> i'm more or less waiting for my cape/shield to show up... on route from PCB factory in china
[18:46] <Bo_DK> and gps module on its way
[18:46] <x-f> Chetic, look east, south-east :) - launch site is Cesis, Latvia, 57.3 25.3
[18:47] <enkidu> Bo_DK: yo would need precise step motors for long fagis
[18:47] <enkidu> yagis*
[18:47] <Bo_DK> enkidu: yes....
[18:47] <Bo_DK> enkidu: hardware side no problem
[18:47] <Bo_DK> have allready build a test rig
[18:48] <enkidu> software neither
[18:48] <Bo_DK> just need the other bits for that.... ball bearings etc to take at much load off motors
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[18:49] <Bo_DK> enkidu: you might say software is no problem... but that is for you
[18:49] <Lunar_Lander> hi chrisstubbs
[18:49] <Bo_DK> software is in no way easy for me
[18:49] <enkidu> ive been playing with chromatography software, ended in e-nose automatic project
[18:49] <Bo_DK> most in here have a hard time understand how stupid i'm at software
[18:50] <enkidu> only thing I dont like is signal shaping
[18:50] <Bo_DK> you know the animal skunk right?
[18:50] <enkidu> yep
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[18:52] <Bo_DK> and you know how bad it smells if they spray on you?
[18:52] <enkidu> worse than thousand male cats
[18:52] <Bo_DK> ok.... my coding skills stinks worse than that
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[18:52] <Bo_DK> i have always needed to rely on hacking bits togehter
[18:53] <chrisstubbs> evening Lunar_Lander
[18:53] <Lunar_Lander> hi
[18:53] <Lunar_Lander> how's life?
[18:54] <chrisstubbs> Not bad, just playing with an L298 h-bridge IC
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[18:54] <Lunar_Lander> cool
[18:54] <Lunar_Lander> motor on, motor stop
[18:54] <Lunar_Lander> clap on, clap off, clap on
[18:54] <Lunar_Lander> The clapper!
[18:54] <Lunar_Lander> xD
[18:56] <DL7AD> what the hell is LeoB_Remote or PH3V_remote eg?
[18:56] <chrisstubbs> DL7AD they are using webSDR's I think
[18:56] <DL7AD> ah okay
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[18:57] <Bo_DK> webSDR's.... the one from mikestir ?
[18:57] <enkidu> sp3osj seems to be testing his ballon on wire
[18:57] <Geoff-G8DHE> No the Global Tuners, a web site of automated radio receivers you can log into and control
[18:58] <crash_18974> Bo_DK: this seems to have most of the software pieces: http://code.google.com/p/opendiyantracker/
[18:58] <Bo_DK> ok.... very interesting if anyone uses mikestir's webradio for decode
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[18:58] <Bo_DK> crash_18974: let me look
[18:59] <Bo_DK> no need to reinvent the whell :-P
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[18:59] <Lunar_Lander> hi mclane
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[19:00] <Bo_DK> crash_18974: its arduino based....
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[19:00] <crash_18974> yea :(
[19:01] <Bo_DK> crash_18974: no good as same setup also have to have the "power" to decode
[19:01] <Bo_DK> and needs to be able to connect to HAB server to get pos of payloads
[19:01] <Bo_DK> there has been made code to do most of it in python... craag have done the hard work
[19:01] <crash_18974> maybe decode on something else and separate
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[19:02] <Bo_DK> habrotate gets data from HAB server and can calculate where to aim
[19:02] <Bo_DK> i just need to mod it to use a gps antenna for its own pos
[19:03] <Bo_DK> and some extra's that make it fully automatic
[19:03] <Bo_DK> well you have to select what payload to track and start it
[19:03] <Bo_DK> but other than that the goal is to be fully automatic and as compact as possible....
[19:04] <Bo_DK> my initial platform was raspberry pi... but to little cpu power
[19:04] <Bo_DK> 3 platforms would make it to big
[19:04] <Bo_DK> and to many wires
[19:04] <LeoBodnar> It's amazing how good the idea for globaltuners.com was and how crap the implementation is
[19:05] <LeoBodnar> But better than nothing!
[19:05] <Bo_DK> needs to be so simple that any "granny" can set it up.... or as close to that goal as can get
[19:06] <enkidu> Bo_DK: you will probably need at least two platforms
[19:06] <mfa298> Bo_DK: are you now planning to purely use the data from habitat to point the antenna, or as a future option were you also thinking of getting the data from the radio (websdr or other)
[19:06] <Bo_DK> why?
[19:06] <enkidu> id put mcu for positioning near antennas
[19:07] <enkidu> and analyzer/receiver in "safe" place
[19:07] <Bo_DK> enkidu: dare i say electronics in metal box?
[19:07] <enkidu> doesnt matter either
[19:08] <Bo_DK> mfa298: from habitat initial... when tracker find the ballon use the decoded data primaerly source
[19:08] <Bo_DK> enkidu: well i will sort that in due time
[19:08] <Bo_DK> code is my biggest worrie
[19:10] <mfa298> My reason for asking is that if you only used the data from habitat it might make life easier - and you don't need to rely on mike's code which I think is on hold for several weeks
[19:10] <mfa298> I need to have more of a look at habrotate I think.
[19:10] <Bo_DK> mfa298: actual that the plan....ie habitat only...
[19:11] <Bo_DK> but your Q brings up a very interesting Q... what would be best as source? habitat or decoed data? or mix of both?
[19:11] <mfa298> I was asking as I think when you first talked about about this idea you were thinking to use data from the balloon.
[19:14] <mfa298> as to which is best there are good reasons for either method.
[19:14] <Bo_DK> nono.. from habitat....
[19:15] <Bo_DK> good about habitat is that it can aim from launch and be ready as soon it peak above horizon
[19:16] <Bo_DK> and yes i know mikestir's webradio is weeks in the future... what are the alternatives so far?
[19:18] <mfa298> we don't know if mike's software will work on a Pi or BBB yet anyway (although it's may not be far off) and even if it does there might not be enough CPU for websdr and any other software.
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[19:18] <mfa298> but at this point you should just worry about pointing the antenna in the right direction
[19:19] <Willdude123_> Hi
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[19:20] <Willdude123> So hi. How are we all?
[19:20] <Willdude123> First day wasn't that bad
[19:21] <adamgreig> good good
[19:24] <Bo_DK> mfa298: yes
[19:25] <Bo_DK> mfa298: but have to wait for bits to get here from Upu and my board from china
[19:25] <Bo_DK> the other bits i can get quickly from rs components
[19:26] <mfa298> this was partly why I asked about things like alternative (usb) gps reciever as that would allow you to do some coding.
[19:26] <Bo_DK> last note about websdr for now is that mikestir recomennded that i based on BBB as it should have the juice to do decode.... but lets take that when it can aim and work on its own
[19:27] <Bo_DK> hehe... yes... but no GPS stuff at home....
[19:27] <Bo_DK> hardware wise i do start from the buttom
[19:27] <Bo_DK> need to build the yagi too
[19:27] <Bo_DK> but have the calcs etc ready
[19:27] <Bo_DK> habamp on its way thou
[19:28] <Bo_DK> hmm.... i assume coding can be done over ssh...
[19:28] <Bo_DK> i might as well connect BBB to my router that is just under a window in room next to me
[19:29] <Bo_DK> ie with shorter bit of rj45
[19:29] <Bo_DK> and not 10 meters over the floor
[19:29] <mfa298> coding can probably be done via ssh as long as you're happy with text based tools (vi/nano/emacs, git etc)
[19:30] <Bo_DK> no problem... i know a few of them colour code the text
[19:30] <Bo_DK> if not i will just rool out the 10 meter cable again
[19:33] <enkidu> what do you think about using slim jim antenna for reception?
[19:34] <Bo_DK> me?
[19:34] <mfa298> people have used slim jims for recieving
[19:35] <mfa298> I think someone has even used a slim jim designed for 2m to recieve balloons
[19:35] <enkidu> and what about using it for broadcasts?
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[19:35] <mfa298> I've mostly used a dipole designed for 2m or a simple 70cm groundplane antenna at home
[19:36] <navrac_work_> ive used a slim jim on a balloon - it worked quite well
[19:36] <tweetBot> @jamescoxon: B-11 still flying 434.500Mhz USB DominoEx over Med - calling all local listeners http://t.co/6PpAhXUoMd #ukhas #hamr
[19:36] <enkidu> navrac_work_: better than pseudo-gp?
[19:38] <navrac_work_> seemed to - it was hard to say - I did 2 flights where I'd inadvertantly got the gpio lines wrong on the rfm so the range wasnt great - but the slim jim appeared to give me 3 or so db more and on ground tests it worked well because of the low angle of radiation
[19:39] <navrac_work_> not ideal for overhead/short range but certainly outperformed the groundplasne quite comfortably
[19:39] <enkidu> so it would be easier to receive it on horizon then
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[19:40] <navrac_work_> seemed to - I did the tests out of a hotel window in barcelona and the improvement from 2 miles away was quite noticeable
[19:41] <navrac_work_> it was tricky to get it right though, a gp is much easier - the slim jim took quite a bit of fiddlingto get it to match properly
[19:42] <enkidu> for sure
[19:43] <enkidu> still, it is simple in mechanic construction
[19:43] <enkidu> on 70cm it can be made of flat wire or even awg glued to polipropylene foil
[19:43] <enkidu> even better, laminated between two layers of
[19:44] <Steve_2e0vet> anyone know if there is an EAGLE lbr for the arduino pro mini - i've searched all over the place
[19:44] <enkidu> wait, ill check my libs
[19:50] <enkidu> I dont have one, even I got libs for recent mcus
[19:56] <wrea> Steve_2e0vet: the board? its in the sparkfun libraries
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[19:58] <Laurenceb_> ooh listeners
[20:00] <SP3OSJ> Address web: http://habitat.habhub.org/genpayload/ someone wrote Create a flight document, then ask on IRC for the doc to be approved. I have a document Document: {"type":"flight","approved":false,"name":"SP3OSJ/03","start":"2013-09-04T00:00:00+01:00","end":"2013-09-09T23:59:59+01:00","launch":{"time":"2013-09-07T08:00:00+01:00","timezone":"Europe/London","location":{"latitude":53.18523,"longitude":16.75276,"altitude":67}}
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[20:02] <SP3OSJ> What IRC??? Where to look for IRC? I do not understand
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[20:02] <daveake> #habhub
[20:05] <SP3OSJ> thank you
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[20:07] <SpeedEvil> http://avherald.com/h?article=42a1000b/0003&opt=0 - funky
[20:07] <SpeedEvil> 'The engines canna'e take it'
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[20:13] <wrea> lol
[20:14] Nick change: KipK_away -> KipK
[20:14] <enkidu> its pity that http://websdr-rtl.radio.it/ this has lower center freq
[20:16] <enkidu> f0fyf could try tracking
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[20:24] <Laurenceb_> theres mountains in the way atm
[20:24] <Laurenceb_> what happened to adam84?
[20:24] <SpeedEvil> Carried off by wolves.
[20:25] <enkidu> from my calculations pepino could start tracking too
[20:25] <enkidu> but he is off now
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[20:27] <Upu> damn receiver off line :/
[20:27] <LeoBodnar> World has no radio receivers left
[20:27] <Upu> did we break it ?
[20:28] <LeoBodnar> No, i think it just got swithced off
[20:28] <Upu> grr
[20:28] <Upu> did they say anything ?
[20:29] <Geoff-G8DHE> Not that I noticed
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[20:30] <Upu> mailed the operator
[20:30] <Upu> wonder if the French stations have picked it up yet
[20:31] <enkidu> torino sdr is just little off range, operater there might help us
[20:31] <enkidu> off freq range
[20:31] Willdude123_ (~William@unaffiliated/willdude123) joined #highaltitude.
[20:32] <enkidu> websdr@radio.it
[20:32] guest17 (021bf710@gateway/web/freenode/ip. joined #highaltitude.
[20:32] <adamgreig> http://radio.it/Images/yo3ggx-app-3.png
[20:32] <adamgreig> HAMs
[20:33] <enkidu> they have also one runnign rtlsdr @431MHz now
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[20:33] <ibanezmatt13> evening
[20:33] <mattbrejza> someone hasnt read the android design guidelines :P
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[20:34] <ibanezmatt13> first day at college went very well. We've started on algorithms and spanning trees (decision 1) so that's decent enough.
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[20:34] <adamgreig> oh man, D1.
[20:34] <ibanezmatt13> yeah, any good?
[20:34] hojo1690 (mqh1spam@nat-128-84-124-0-499.cit.cornell.edu) left #highaltitude.
[20:34] <mattbrejza> i was very peaceful on here during the day, nice to get back to normal :P
[20:34] <ibanezmatt13> my teachers says it's his favourite one
[20:34] <mattbrejza> *it
[20:35] <Bo_DK> anyone using a BBB?
[20:35] <Upu> Ywah Willdude123
[20:35] <adamgreig> well I didn't get taught it
[20:35] <ibanezmatt13> hey eroomde what did you make of D1 (decision 1) ?
[20:35] <ibanezmatt13> didnt you?
[20:35] <adamgreig> but me and the rest of my FM class though it looked super easy
[20:35] <adamgreig> so we decided to just learn it by ourselves and sit the exam
[20:35] <adamgreig> as like, a backup/spare module
[20:35] <ibanezmatt13> nice
[20:35] <adamgreig> in case we messed up another
[20:35] <eroomde> i don't really remember it
[20:36] <adamgreig> anyway time passes
[20:36] <adamgreig> day before the exam I'm like
[20:36] <eroomde> it was an odd hodge podgy of random things iirc
[20:36] <adamgreig> hmmm
[20:36] <adamgreig> should read the textbook
[20:36] <adamgreig> so didn't exactly prepare well for it
[20:36] <Geoff-G8DHE> Have to get my Sister interested she lives in Salernes just to the West and is in range :-(
[20:36] <adamgreig> our teacher was like "i bet it will go badly for all of you"
[20:36] <ibanezmatt13> the kruskal guy and prim
[20:36] <adamgreig> then later he was like "I told you so"
[20:36] <ibanezmatt13> lol
[20:36] <adamgreig> so we all flunked it really
[20:36] <adamgreig> though to be honest I can't remember what I got
[20:36] <adamgreig> mid B or a high C or something probably
[20:36] <adamgreig> it wasn't impressive
[20:37] <adamgreig> some time later I showed him by getting 93% on data structures and algorithms at uni
[20:37] <adamgreig> which sounds crap for A level results but at uni where 70% is a first class, 93% is more commendable
[20:37] <ibanezmatt13> so yeah, I'm treating myself to a go pro for my next flight (NORB Board). And they all look a bit big. Any particular go pros good for HAB? ie, very good battery life, good recording time, size, etc?
[20:38] <adamgreig> they're the same
[20:38] <adamgreig> you get a gopro hero 3
[20:38] <adamgreig> white is cheaper adn fine for HAB
[20:38] <Bo_DK> any BBB users ????
[20:38] <ibanezmatt13> is that HD?
[20:38] <Upu> actually try get a get a Hero2 with the extended battery pack
[20:38] <adamgreig> the silver and black are the same size etc though, just can do more things
[20:38] <adamgreig> the extended battery back for the hero 3 is nicer imo
[20:38] <Upu> had a number of issues with Hero3's
[20:38] <ibanezmatt13> Upu: I guess that's HD?
[20:38] <adamgreig> but i've not put a hero 3 on an actual flight
[20:38] <Upu> yes
[20:38] <adamgreig> they're all hd yea
[20:38] <ibanezmatt13> cool
[20:38] <adamgreig> Upu: what issues?
[20:38] <mattbrejza> Bo_DK: join #BBB? (or similar)
[20:38] <Upu> shut down at random
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[20:38] <adamgreig> odd
[20:39] <Upu> the Hero 2's heat the battery
[20:39] <daveake> hero 2 much more reliable
[20:39] <Upu> by product of a heatsink on the CCD
[20:39] <mfa298> ibanezmatt13: having a teacher that likes what they're doing can be a great help - sounds like you could do well
[20:39] <Upu> Hero3's don't
[20:39] <adamgreig> curious
[20:39] <Upu> If you gave me a 2 or a 3 I'd fly the 2
[20:39] <Bo_DK> mattbrejza: tried... they do not know how to enable uart1 on beagle bone black
[20:39] <ibanezmatt13> mfa298: hope so. He taught at Manchester University, and lots of grammar schools
[20:39] <daveake> only hero3 flight I've had where it stayed working, there were 4 cameras in all so nice and toasty
[20:39] <ibanezmatt13> and loves the subject. And I have him for physics
[20:39] <mattbrejza> ibanezmatt13: if you want something cheaper but still just as good (you can look at footage) the contour roam 2 is another option
[20:40] <Upu> lol LeoBodnar :)
[20:40] <Upu> Italians :)
[20:40] <LeoBodnar> what email?
[20:40] <Upu> yes
[20:41] <Upu> few more hours and it should safely be within range of the French stations
[20:41] <mattbrejza> assuming their antennas are good enough
[20:41] <Upu> no reason to believe it isn't still transmitting
[20:41] <LeoBodnar> We need French!
[20:41] <mattbrejza> it seems perfectly in range of the one on that island
[20:41] <LeoBodnar> (suddenly)
[20:41] <Upu> well by the morning it should be in range of our normal tracking network
[20:41] <mattbrejza> well if it speeds up again
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[20:42] <mattbrejza> was a bit slower today
[20:42] <Upu> and hell if it makes it to poland :)
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[20:42] <LeoBodnar> Yeah, flying over Europe is an adventure - like crossing Goby desert or going to the Moon.
[20:43] <enkidu> if it makes it i will be first to receive
[20:43] <iain_G4SGX> Im sat on a Toulouse global tuner but nothing on waterfall yet.
[20:43] <LeoBodnar> Ah, mode SSB capable it, no?
[20:44] <iain_G4SGX> yep
[20:44] <LeoBodnar> At least we can hang out here biding some time :D
[20:45] <LeoBodnar> iain_G4SGX can you triple-check this?
[20:45] <Laurenceb_> should be in range of F0FYF by now
[20:45] <Laurenceb_> but theres a mountain in the way
[20:46] <LeoBodnar> It has a button but don't be fooled by cheap imitations
[20:46] <Upu> anyone checked Aosta ?
[20:46] fez_ (5198e51c@gateway/web/freenode/ip. joined #highaltitude.
[20:46] <LeoBodnar> It won't let me use it, says not enough rights
[20:46] <jcoxon> Upu, yeah
[20:46] <Upu> trying it
[20:46] <jcoxon> its an HF antenna
[20:46] <Upu> mumble
[20:46] <Upu> grumble
[20:47] <Upu> amusing how all GT's in that area are tuned to 434.501 :)
[20:47] <jcoxon> could always speak with f6agv
[20:47] <LeoBodnar> squeak-squeack
[20:47] <Upu> aye I'll fire him a mail
[20:48] <Bo_DK> what is the right english word for just before you go arrrgh ?
[20:48] g4sgx-iain (~iain@ joined #highaltitude.
[20:48] <LeoBodnar> If I had a licence I'd just found a digimode nut with and F-call on HF
[20:49] <Upu> get a license :)
[20:49] <LeoBodnar> pre-meltdown
[20:49] <Bo_DK> LeoBodnar: thanks,... i'm close to tthat
[20:49] <LeoBodnar> working on it, fully booked for exams
[20:49] <Upu> nothing on Verona now ?
[20:50] Nick change: arko -> arko_lax
[20:50] <LeoBodnar> no, I have checked some time ago
[20:50] <Upu> 13:50 there arko_lax ?
[20:50] <arko_lax> Yep
[20:50] <arko_lax> Check in line :/
[20:50] <Upu> flight @ 17:00 ?
[20:50] <arko_lax> Yep
[20:50] <arko_lax> On time
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[20:50] <Upu> cool
[20:50] <arko_lax> 16:59
[20:50] <arko_lax> Woot
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[20:51] <Upu> be brave :)
[20:51] <arko_lax> Haha
[20:51] <arko_lax> I'm fine
[20:51] <Lunar_Lander> hi arko_lax
[20:51] <arko_lax> Yo
[20:51] <Lunar_Lander> where are you going to?
[20:51] <arko_lax> UK
[20:51] <arko_lax> For conference
[20:51] <arko_lax> And booze
[20:51] iain_G4SGX (~iain@ left irc: Ping timeout: 264 seconds
[20:52] <mattbrejza> and cheese that doesnt come out of a squirty bottle ;)
[20:52] <arko_lax> Yes!
[20:52] <arko_lax> Wine too
[20:52] <mattbrejza> i hear they go well together...
[20:52] <adamgreig> :D
[20:52] <adamgreig> mattbrejza: you hear?
[20:52] <mattbrejza> wekk
[20:52] <mattbrejza> more hear with my houth
[20:53] <adamgreig> pretty sure last time I saw you we were both stuffed full of cheese and there was an empty wine bottle around
[20:53] <mattbrejza> mouth
[20:53] <mattbrejza> that did happen
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[20:54] <Upu> all the cool kids are in the UK Lunar_Lander :)
[20:54] <eroomde> Upu: looks like i'm going to have to go away then next couple of days, so annoyingly and regretfully i might have to ditch my talk
[20:55] <Upu> uh
[20:55] <Lunar_Lander> yea
[20:55] <Upu> oh...
[20:55] <arko_lax> Wut
[20:55] <Upu> thats a big hole :/
[20:55] <arko_lax> Fffff
[20:55] <Lunar_Lander> ohhhh
[20:55] <eroomde> it's just not going to get done and it's not the kind of thing where i can whack a few pics up and fill in the gaps with mumbling
[20:55] <Upu> I know a lot of people were looking forward to that
[20:55] <adamgreig> fly fergus in :P
[20:55] Action: mattbrejza looks for suitable reaction gif
[20:55] <eroomde> i bet he would!
[20:56] <arko_lax> Are you going to make it to conference?
[20:56] <eroomde> Upu: well, give me 24hrs
[20:56] <adamgreig> suspect he'll be busy partying
[20:56] <adamgreig> 8hrs on his ks
[20:56] <adamgreig> at $158k of his $14k target
[20:56] <Laurenceb_> arko_lax: time for you to refund your air fare
[20:56] <eroomde> lol
[20:56] <arko_lax> Lol
[20:56] <eroomde> arko yes i'll be there still
[20:56] <Laurenceb_> hmm
[20:56] <Laurenceb_> to buy or not to buy
[20:56] <arko_lax> Its not too late ....
[20:56] <eroomde> just might not be in the uk until late friday eve
[20:56] <Laurenceb_> i have a lot of cash
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[20:56] <Laurenceb_> $900 ...
[20:57] <adamgreig> could be fun
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[20:57] <adamgreig> I would be tempted if not for the impending lease deposit
[20:58] <adamgreig> clearly cusf will need one for the upcoming big rocket
[20:58] <adamgreig> >_>
[20:58] <adamgreig> though I'm no longer responsible for cusf finances, hah. and I don't think they could afford one right now anyway
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[20:59] <Laurenceb_> yeah i shouldn't go spending money either.. need to order some custom cable for a project
[20:59] <Laurenceb_> thats going to be pricey
[20:59] <adamgreig> i got a lovely mix bag of rf cable and connectors today
[20:59] <adamgreig> now have all the cabling I need for my radar project I think
[21:00] <Laurenceb_> last supplier was 60Km MOQ
[21:00] <adamgreig> and also all the cabling to hook my bladeRF up to my 434MHz stuff
[21:00] <adamgreig> 60km!!
[21:00] <adamgreig> that's a hell of a moq
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[21:00] <SP9UOB-Tom> evening all
[21:00] <adamgreig> and this is for like, biomedical applications?
[21:00] <adamgreig> or is this your personal hyperloop project
[21:00] <adamgreig> because 60km would be more reasonable
[21:00] <Laurenceb_> biomedical stuff
[21:00] <adamgreig> lol
[21:00] <adamgreig> 60km is a heck of a lot
[21:00] <adamgreig> what's special about it?
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[21:01] <Laurenceb_> triaxial with data cables down the middle of the two shields
[21:01] [1]iain_g4sgx (~yahalimu@ joined #highaltitude.
[21:01] <Laurenceb_> shield, digital, shield, analgue
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[21:02] <adamgreig> would have thought you could find something suitable off the shelf
[21:02] <SP9UOB-Tom> will there be calling frequency at the conference :)? Im thinking about getting portable radio :-)
[21:02] <adamgreig> maybe not though
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[21:02] <SP9UOB-Tom> 1 day to go :-)
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[21:02] Nick change: [1]iain_g4sgx -> iain_g4sgx
[21:03] <Laurenceb_> adamgreig: also need to be ISO10993
[21:03] <Laurenceb_> and less than 4mm OD
[21:03] <adamgreig> ah
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[21:04] <iain_g4sgx> Internet keeps disconned cos of the attempted stream so now on voda, saves the constant disconnections
[21:06] <LeoBodnar> It's XXI century tech iain_g4sgx
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[21:08] <iain_g4sgx> Normal for Norfolk.. lol
[21:15] <enkidu> SP9UOB-Tom: SP3OSJ made today wired tests?
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[21:16] F0FYF (58b8c19a@gateway/web/freenode/ip. left irc: Client Quit
[21:17] <LeoBodnar> Oh, please don't go
[21:17] <Geoff-G8DHE-M> He's gone
[21:17] <fsphil> ack
[21:17] <Geoff-G8DHE-M> but maybe he will be back!
[21:18] <iain_g4sgx> hes on the map too
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[21:18] <Geoff-G8DHE-M> but just outside the ground range
[21:18] <iain_g4sgx> that fix was a while ago tho
[21:19] <Geoff-G8DHE-M> and some little hillocks called the Alps inbetween!
[21:20] <LeoBodnar> B-11 should be over Nice at midnight UTC
[21:21] <LeoBodnar> And over Valence at sunrise
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[21:22] <iain_g4sgx> Shame Crema went offline
[21:25] <Laurenceb_> F0FYF might be in range in a few hours
[21:26] <Laurenceb_> dunno how high the moiuntains are
[21:26] <LeoBodnar> The number of receivers has been decremented
[21:26] <LeoBodnar> The hills?
[21:27] <Geoff-G8DHE-M> Are alive .....
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[21:28] <LeoBodnar> SHould have watched "The Hills Have Eyes" tonight
[21:28] <LeoBodnar> *ears
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[21:32] <ike> LeoBodnar there are plenty of receivers, but at the other frequency. Do you have CEPT ham License?
[21:32] <LeoBodnar> Not yet. Working on it.
[21:33] <ike> cool
[21:34] <LeoBodnar> Expecting to get it in October.
[21:34] <WillTablet> It was quite funny because in tech we are building a circuit which connects a jack lead to speakers, and amplifies the signa
[21:34] <WillTablet> l
[21:34] <mfa298> Full by october or just the Foundation ?
[21:35] <WillTablet> He was just like: "Does anyone know what a PCB is?'
[21:35] <WillTablet> Nobody knew.
[21:35] <WillTablet> (Except me)
[21:35] <mattbrejza> nobody knew or nobody cared enough to answer?
[21:35] <WillTablet> Nobody knew
[21:36] <mfa298> I'm not surprised. Lots of people probably don't care what a PCB is. In the same way that I don't care what the offside rule is.
[21:36] <mattbrejza> look on the back of some 50p coins
[21:36] <WillTablet> I suppose, but is your life and sanity built around the off-side rule?
[21:36] <mattbrejza> totally explains it well
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[21:37] <WillTablet> People would go nuts if their phone didn't work.
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[21:37] <WillTablet> It's shocking, they don't even know the name of the very connector their ipod uses.
[21:37] <mfa298> but for most people they don't need to know about PCB's to use a mobile phone.
[21:38] <WillTablet> Indeed. But I think it's a good idea to know roughly how things work.
[21:38] <mfa298> similarly I know very little about the inner workings of a car engine. I just need it to go (slightly) faster when I hit the accelorator
[21:38] <mattbrejza> tbh its probably more offen refered to as 'circuit board' which most people understand
[21:39] <WillTablet> It's understandable not to know it, but if you're being taught it, I'd expect people to listen.
[21:39] <Upu> LeoBodnar http://alerte-radiosondes.blogspot.co.uk/
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[21:40] <WillTablet> Like resistors, and diodes and stuff. People referred to them as the round things, and were sort of just not paying attention
[21:40] <mfa298> for people who've not looked at anything like that before there's a lot to take in.
[21:41] <mfa298> I doubt you knew what everything was within the first 30 minutes of hearing about electronics
[21:41] <mattbrejza> you should just be pleased your school actualy does electronocs
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[21:41] <WillTablet> There was a girl who was just like "Wait do I need 7 of the colored things that you plug in to the thing?" I marvelled at the fact she could count to 7
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[21:41] <WillTablet> Yeah.
[21:41] <WillTablet> But why should I care if other people are lazy
[21:42] <WillTablet> It shouldn't bother me.
[21:42] <LeoBodnar> Haha cool Upu
[21:42] <LeoBodnar> C'était QUIMPER !
[21:42] <Upu> I know
[21:42] <WillTablet> At least I listened, and maybe a few others did, and at school, to me, my education is the only thing that matterd.
[21:42] <Upu> what the hell does that mean ? :)
[21:43] <LeoBodnar> I don't know what it means but it sounds very exciting / important
[21:43] <Upu> refresh spacenear
[21:43] <WillTablet> But anyway it's through hole soldering so it's pretty easy
[21:43] <LeoBodnar> Duck all! The Quimper!
[21:43] <adamgreig> WillTablet: what is the name of the connector the ipod uses? or do you mean the new one
[21:43] <adamgreig> when i was at school ipods used ipod connectors :|
[21:44] <SP9UOB-Tom> evening UPU
[21:44] <WillTablet> It's probably the first time I'll solder to a PCB without my dad stopping me
[21:44] <Upu> Evening Tom
[21:44] <SP9UOB-Tom> will there be calling frequency at the conference :)? Im thinking about getting portable radio :-)
[21:44] <Upu> lol
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[21:44] <WillTablet> Jack (3.1mm I think)
[21:44] <adamgreig> hah you should definitely run a walk-in upu
[21:44] <LeoBodnar> Woooohooo! Lovely
[21:44] <Upu> not thought about it :) but we have some radios with us
[21:44] <adamgreig> WillTablet: oh, right, I thought you meant the 31 pin or wahtever big one at the bottom
[21:44] <LeoBodnar> Who did it?
[21:44] <adamgreig> 3.5mm incidentally
[21:44] <Geoff-G8DHE-M> That looks just like the KML file now ;-)
[21:44] <Upu> fsphil
[21:44] <Upu> I lack the skills :)
[21:44] <LeoBodnar> Thank you fsphil
[21:44] <WillTablet> 3.5 actrually
[21:45] <WillTablet> That's what I meant.
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[21:45] <WillTablet> Upu gonna order the PCB tomorrow.
[21:45] <ike> btw where is more cold? inside the balloon or outside?
[21:45] <WillTablet> Will probably do it at school.
[21:45] <Upu> still got those wonky lines ?
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[21:45] <WillTablet> No.
[21:45] <Upu> good :)
[21:45] <WillTablet> Actua
[21:46] <WillTablet> Lly
[21:46] <WillTablet> I have to check how much money I have
[21:46] <LeoBodnar> It's complicated ike, could be both
[21:46] <LeoBodnar> (not at the same time)
[21:46] <mfa298> when I was at school the ipod was called a walkman and had a 3.5mm stereo connector
[21:46] <ike> if payload is in the balloon isn't that some kind of isolation
[21:46] <WillTablet> ¡ Since it'll cost in excess of £50!
[21:47] <Upu> £50
[21:47] <Upu> how come ?
[21:47] <WillTablet> After I buy a proper iron, the ublox and the boards it will be.
[21:47] <Upu> oh yeah
[21:47] <Upu> easily
[21:47] <Upu> those metcals are still on ebay
[21:48] <WillTablet> IDK :-(
[21:48] <WillTablet> Childhood sucks.
[21:48] <Upu> enjoy it
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[21:48] <WillTablet> Is it definitely impossible to desolder the ublox?
[21:49] <mattbrejza> no
[21:49] <mfa298> Adulthood is no better, you spend hours to get a bit of money and most of it disappears quickly to taxman/bank/landlord etc.
[21:49] <Upu> no its easy
[21:49] <Upu> you just need hot air
[21:49] <mattbrejza> but not without buying even more expensive stuff
[21:49] <ike> LeoBodnar GSM? can you use GSM module with sim card or it's too easy?
[21:49] <Upu> and a bit of patience
[21:49] <enkidu> hotair, wave soldering or flame on another side of PCB
[21:49] <WillTablet> Man I need a 100% discount coupon for Upu's store.
[21:49] <WillTablet> :-)
[21:49] <Upu> so far you have had
[21:49] <Upu> revoked
[21:50] <WillTablet> Huh?
[21:50] <mfa298> WillTablet: you need to learn the art of saving money, it's a skill you need all through life (unless you find a millionaire to marry)
[21:50] <mattbrejza> Upu: you can get these things for desoldering that use suction and a little spring loaded plunger, so as you hotair your IC when the solder is melted the IC is lifted off the board
[21:51] <WillTablet> Knowing how fat I am the latter is damn near impossible.
[21:51] <Upu> you have to be careful with the ublox
[21:51] <Upu> as you can lift the can off them
[21:51] <LeoBodnar> ike I have built it but never used the GSM part http://leobodnar.com/balloons/B-1/
[21:51] <WillTablet> Upu what do you mean so far you have had, revoked
[21:51] <jcoxon> night all
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[21:51] <Upu> have you paid for anything from me yet ?
[21:51] <LeoBodnar> I think most people drifted away from GSM/GPRS idea back into UHF
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[21:52] <ike> WillTablet buld this http://b.vimeocdn.com/ts/245/297/245297964_640.jpg hook it to party balloon chase it with FM radio and have fun
[21:52] <Upu> who was the Welsh guy in Southern France ?
[21:52] <Upu> FFFFchx
[21:52] <Upu> ?
[21:53] <LeoBodnar> Haha ike this is what my fancy tracker has essentially become at about 11km altitude
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[21:53] <LeoBodnar> We have DFed it
[21:54] <LeoBodnar> Or is it "DFund it"
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[21:57] <mikestir> is b11 lost or temporarily out of range?
[21:58] <Upu> latter
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[21:58] <mikestir> how long now? 72 hours+?
[21:59] <Upu> waiting on French stations to pick it up
[22:00] <Upu> no indication its dead was working fine and the receiver we were using went offline
[22:00] <chrisg7ogx> I think B11 may creep up on us from the south again
[22:00] <Upu> 78 ?
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[22:01] <mikestir> is there a current prediction pic?
[22:01] <chrisg7ogx> Does, "Solar Panel 0.0" mean that B12 has not been taking a charge today?
[22:02] <mattbrejza> it means its dark :)
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[22:02] <mattbrejza> was charging fine
[22:02] <enkidu> also, it means, its battery died after sunset
[22:02] <enkidu> mattbrejza: not really
[22:02] <heathkid> Upu: can I PM you real quick?
[22:02] <mattbrejza> battery is fine, just out of range i think
[22:02] <Upu> sure
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[22:03] <LeoBodnar> mikestir: http://leobodnar.com/balloons/B-11/NOAA.gif
[22:03] <chrisg7ogx> but the reason I ask is that was the reading during daylight
[22:03] <mattbrejza> oh
[22:04] <mattbrejza> i wasnt paying that much attention
[22:04] <chrisg7ogx> ur toooo honest!
[22:04] <mattbrejza> yea 18.36 is day time i guess
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[22:04] <enkidu> mattbrejza: look, how fast battery lowered after solar power down
[22:04] <LeoBodnar> chrisg7ogx: B-12 did not come back since yesterday night. B-11 is fine and has been charging happily all day
[22:04] <mattbrejza> although not direct sun any more
[22:04] <enkidu> http://x-f.lv/dev/habitat-graphs/payload/73dfc25187480c1e90106d50c3c04ce4
[22:05] <mattbrejza> thats B12 not B11
[22:05] <LeoBodnar> This is B-12 enkidu , it used some wet paper towel instead of LiPo
[22:05] Nick change: KipK -> KipK_away
[22:05] <mattbrejza> B11 has the same profile today as it did yday
[22:05] <LeoBodnar> (Not literally but equivalent in performance)
[22:05] <chrisg7ogx> leobodnar yes watched that thanks..LOL sunset would also be later at that height
[22:06] <enkidu> mattbrejza: you asked for B12: 00:01 < chrisg7ogx> Does, "Solar Panel 0.0" mean that B12 has not been taking a charge today?
[22:06] <enkidu> oh, not you
[22:06] <enkidu> he*
[22:07] <mattbrejza> so he did
[22:07] <mattbrejza> i just assumed b11 as we havnt seen b12 today
[22:07] <LeoBodnar> THis is like The Dad's Army Special :D
[22:07] <enkidu> B11 had even better charging profile than yesterday
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[22:08] <LeoBodnar> Yes, I wonder why? Maybe GPS behaved better (=less badly)
[22:09] <SP9UOB-Tom> night all
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[22:09] <enkidu> nighty
[22:10] <LeoBodnar> Is there a thingy to check direct LOS between to point on a map including elevation map?
[22:10] <LeoBodnar> *two
[22:10] <LeoBodnar> *s
[22:10] <mikestir> anyone left who could give a thumbs up for balloon specs?
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[22:11] <LeoBodnar> "Go for it!" That's all am qualified to.
[22:11] <enkidu> LeoBodnar: dvbtmaps.eu are using some kind of software
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[22:13] <mikestir> lol. I'll drop in tomorrow. Have estimate for payload weight now and I think the school wanted to order balloon and gas, etc. tomorrow
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[22:13] <chrisg7ogx> http://www.heywhatsthat.com/profiler-0904.html
[22:14] <LeoBodnar> thanks enkidu chrisg7ogx , looking at both now
[22:16] <mikestir> LeoBodnar: http://www.ve2dbe.com/english1.html
[22:16] <mikestir> that will produce nice coverage maps for ground-based links including openstreetmap overlays
[22:17] <mikestir> http://www.mike-stirling.com/files/billinge_10mW_-120dBm.jpg
[22:17] <LeoBodnar> mikestir: saved as well
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[22:18] <mikestir> that image is from when ibanezmatt tested his tracker up a hill the other weekend
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[22:20] <enkidu> unfortunatelyheights on dvbmap are limited
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[22:25] <LeoBodnar> http://leobodnar.com/balloons/B-11/Nice-Geneva.png
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[22:27] <enkidu> with scattering on mountain tops, it is possible
[22:27] <enkidu> but need directional antenna
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[22:27] <Laurenceb_> need 100km or so further
[22:27] <Laurenceb_> but some of those mountains are thin
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[22:29] <SpeedEvil> practically transparent.
[22:30] <enkidu> ttropospheric reflections
[22:33] <enkidu> http://www.dxinfocentre.com/tropo_eur.html
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[22:43] <DL7AD> are the balloons beeping in the night?
[22:43] <enkidu> they have batteries, so yes
[22:44] <DL7AD> ehm im not sure but i can receive beeping
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[22:45] <enkidu> your loc?
[22:45] <DL7AD> JO62RO
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[22:46] <ike> 434500 beep every 3 seconds
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[22:46] <DL7AD> no that signal im receiving is beeping every second
[22:46] <enkidu> what frequency?
[22:46] <ike> can it be someting from Berlin?
[22:47] <enkidu> it may be something in berlin, Gdansk, Szczecin or even else. I got one second beeps too
[22:47] <DL7AD> could be. but i never received that signal
[22:47] <ike> wait for DominoEX16
[22:48] <DL7AD> sec. its transmitting to low
[22:48] <DL7AD> my transceiver has a deviation of 1.5khz at 70cm
[22:48] <DL7AD> my fault
[22:49] <DL7AD> i was listen too low
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[22:49] <DL7AD> maybe its a digital clock
[22:50] <enkidu> might be, but Id say it is temperature sensor of some weather station
[22:52] <DL7AD> yes. thats also what i can hear ^^ our weather station at the top of the roof. everytime failing when i attempt to transmit
[22:53] <DL7AD> so when i want to have silence on the band, just press the ptt to crash the software of the station ^^
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[23:25] <ike> so is it possible for $55 RX station http://www.rtl-sdr.com/viewrf-rtl-sdr-spectrum-analyzer-software-beaglebone-black-released/
[23:25] <Laurenceb_> yes
[23:26] <ike> cool
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[23:34] <crash_18974> oh, that's slick!
[23:37] <adamgreig> wonder if it can run dl-fldigi though
[23:38] <SpeedEvil> i ran fldigi on my n900 - worked fine
[23:38] <SpeedEvil> (though only for microphone input)
[23:38] <adamgreig> apparently rpi can't manage it
[23:38] <SpeedEvil> what's the hangup/
[23:38] <adamgreig> cpu
[23:38] <adamgreig> aww, the n900.
[23:38] <adamgreig> if only smartphones had gone that way.
[23:38] <adamgreig> wasn't to be
[23:39] <SpeedEvil> The spectrum view may be cheaper than the waterfall
[23:39] <adamgreig> fair point. I've not tried it personally
[23:39] <adamgreig> don't have an rpi
[23:39] <enkidu> still you can compile C++ programs for android
[23:39] <adamgreig> you caaaan
[23:39] <SpeedEvil> You can't avoid the java side.
[23:39] <adamgreig> mm
[23:39] <SpeedEvil> unless you want a C++ console app
[23:40] <enkidu> java loads a library containing application
[23:40] <SpeedEvil> which doesn't touch anything of the outside.
[23:40] <adamgreig> really the C sdk is just for accelerating bits of your java app
[23:40] <enkidu> I had been running Qt apps on android
[23:40] <adamgreig> huh
[23:40] <adamgreig> how's that work out for you
[23:40] <SpeedEvil> unrooted android?
[23:40] <enkidu> rooted of course
[23:41] Action: SpeedEvil hopes jolla mobile will do something cool.
[23:41] <enkidu> every station that could get reception is down
[23:42] <adamgreig> :(
[23:42] <SpeedEvil> - The engineers who produced the n900 - or some of them at least - making a linux based phone with the ability to run android apps.
[23:42] <enkidu> but France has traditions in giving up early
[23:42] <SpeedEvil> There is one solution!
[23:42] <SpeedEvil> haBSAT
[23:42] <enkidu> :)
[23:42] <adamgreig> that would be cool
[23:43] <adamgreig> shame the antennas are all radiating down
[23:43] <adamgreig> and you'd have los to all the 434 ism transmitters in the country
[23:43] <enkidu> s/country/europe
[23:43] <SpeedEvil> True
[23:44] <adamgreig> enkidu: you are allowed small dishes :P but still, yes
[23:44] <adamgreig> really would need a dedicated uplink to work well i guess
[23:44] <adamgreig> hmm
[23:46] <enkidu> better would be to start cooperation with universities
[23:47] <enkidu> in France it would be: tolouse, limoges, lyon, marseille, paris etc
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[23:55] <crash_18974> launch balloons from campus, invite students to participate, live feed to net, and let the 'nerds' get busy tracking. :)
[23:55] <WillTablet> Man I think I'm addicted to flight sim. :-)
[23:55] <enkidu> indeed
[23:56] <enkidu> also, if correctly said, it will made them build their own receivers ;)
[23:56] <LeoBodnar> good night guys! time to catch some sleep
[23:56] LeoBodnar (5c116e74@gateway/web/freenode/ip. left irc:
[23:57] <crash_18974> night
[23:58] <ike> night
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[00:00] --- Thu Sep 5 2013