highaltitude.log.20121013

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[00:07] <Broliv> night all
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[06:58] <OK1IN> Hi all here...
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[07:12] <x-f> morning, OK1IN et al.
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[07:27] <SP9UOB> hi All
[07:27] <SP9UOB> Parser is down ?
[07:28] <DanielRichman> don't think so..
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[07:29] <LazyLeopard> Map looks a little short of content...
[07:29] <SP9UOB> DanielRichman: i cant se any stations on the map
[07:29] <DanielRichman> the map was cleared for HABE...
[07:30] <DanielRichman> okay. Will have a look at lack of receivers
[07:33] <LazyLeopard> That's better!
[07:33] <DanielRichman> it just randomly fixed itself (>.>)
[07:33] <LazyLeopard> ;)
[07:33] <DanielRichman> i was literally just about to get the traceback
[07:33] <DanielRichman> and then it was fixed
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[07:34] <DanielRichman> oh well
[07:34] <DanielRichman> hopefully it stays fixed
[07:34] <DanielRichman> brb
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[07:45] <griffonbot> Received email: Tomasz Brol "[UKHAS] Launch annoucement SP9UOB-2"
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[07:56] <LazyLeopard> DanielRichman: Hate it when that happens; makes you wonder what's randomly going to break next...
[08:00] <OK1IN> at 10:00 CET starting SP9UOB-2, FREQ: 28.4935 MHz (USB) MOD: RTTY shift 170 Hz, 50 baud ASCII 8n1.5
[08:01] <OK1IN> SRI at 10:00 20.10.2012 for clarify :-)
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[08:04] <SP9UOB> OK1IN: 10:00 UTC (12:00) CET
[08:04] <SP9UOB> sorry
[08:06] <griffonbot> Received email: SP9UOB "[UKHAS] Re: Launch annoucement SP9UOB-2"
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[08:20] <cuddykid> bleughhhh
[08:20] <cuddykid> I feel dreadful :(
[08:20] <cuddykid> it's super cold outside too
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[08:30] <fsphil> winter is here
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[08:31] <x-f> +4 and sunny here!
[08:32] <x-f> i'm half good
[08:32] <griffonbot> @DutchMillbt: High Altitude Balloon flights #ukhas HABE - XABEN UK 13-10-12 ~12.00UTC #hamradio 434.075 - 434.650 MHz USB see: http://t.co/olXyDpt0 [http://twitter.com/DutchMillbt/status/257036172117823488]
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[08:40] <futurity> Morning. Does anyone have a URL for Steve's launch prediction? I just need to point my Yagi. N r right directions
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[08:46] <fsphil> point it towards Elsworth
[08:47] <futurity> I live almost on top of Elsworth, so I need to aim my Yagi based on where it's heading from there ;)
[08:48] <jonsowman> east
[08:48] <futurity> Thanks
[08:48] <futurity> I'll go change the position now
[08:48] <jonsowman> maybe NE to styart with
[08:48] <futurity> Eta on first launch still 10am?
[08:48] <jonsowman> afaik
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[08:55] <costyn> navrac_work: unfortunately it seems swapping the register values didn't work on the rfm
[08:58] <costyn> setTxPower() doesn't seem to be used in the wiki example code. any suggestions?
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[09:00] <costyn> nevermind, found some example code
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[09:01] <WillDuckworth> is HABE just HABE in dl-fldigi? - i can find HABE WDHAB ok - but can't actually choose a payload - any ideas?
[09:01] <jonsowman> select HABE 6 under flight
[09:01] <jonsowman> then HABE under payload
[09:02] <WillDuckworth> weird - got latest git for ubuntu and getting a: warning: hbtUT Caught runtime_error: Invalid response: bad key in row
[09:03] <jonsowman> are you running the latest dl-fldigi?
[09:03] <WillDuckworth> 3.21.50 from james' git
[09:03] <jonsowman> hmm
[09:03] <WillDuckworth> that's what i thought
[09:03] <fsphil> that just sounds odd :)
[09:04] <WillDuckworth> thought i'd better upgrade as was the old habitat v1 version which gave loads of 404 stuff
[09:04] <fsphil> yea that's finally been retired
[09:05] <WillDuckworth> exacto - nice shiney new version
[09:05] <Randomskk> WillDuckworth: the bug is in the new version?
[09:05] <WillDuckworth> latest git pull - when refreshing payloads
[09:05] <Randomskk> what git commit id?
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[09:06] <WillDuckworth> now your asking - how do i find again?
[09:06] <griffonbot> Received email: chris hillcox "[UKHAS] Re: iHAB-8 Launch Annoucement"
[09:06] <griffonbot> Received email: chris hillcox "[UKHAS] LAUNCH ANNOUNCEMENT"
[09:06] <Randomskk> in the directory
[09:06] <Randomskk> git log -1
[09:07] <WillDuckworth> it is 992e94f23a9e0400726da8c0175dccb3632f65fb from 9th sept
[09:07] <Randomskk> what OS are you on?
[09:08] <WillDuckworth> latest ubuntu - i might have a recompile and see what happens.
[09:08] <WillDuckworth> i think i can upload as have appeared on tracker - so that's the main thing
[09:08] <Randomskk> I would seriously advise using the deb from the ubuntu PPA
[09:08] <Randomskk> basically you have a too-new version of dl-fldigi
[09:09] <Randomskk> the release version is 8714c31
[09:09] <Randomskk> you could git reset --hard 8714c31 and rebuild
[09:09] <Randomskk> or you could add the dl-fldigi ppa and apt-get install dl-fldigi
[09:09] <Randomskk> the version you have built is the upcoming update
[09:09] <WillDuckworth> okey dokey - cheers - shall have a play :)
[09:09] <WillDuckworth> do i get points for bug finding?
[09:09] <Randomskk> but again there's a slight change to the database format as a consequence which hasn't been rolled out yet
[09:10] <Randomskk> no :P the bug is just because you're using newer software on an older server, it's expected
[09:10] <Randomskk> if the new server side bits were out now too then the version you have wouldn't have that issue
[09:10] <WillDuckworth> :p
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[09:25] <WillDuckworth> for info, the 5 sept build (8714c31851dd95989f04760c30aa1372cf4804b2) has same problem, but the ppa deb is working fine :)
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[09:28] <Randomskk> the ppa is a build of 8714c31
[09:29] <Randomskk> so that's weird :P
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[09:29] <WillDuckworth> yep - must be my machine :D
[09:29] <WillDuckworth> thanks all the same
[09:30] <Randomskk> oh well, at least the ppa works :P
[09:30] <Randomskk> this way it'l update via apt too
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[09:36] <junderwood> Any ideas on what is wrong with the latest windoze build of dl-fldigi? No upload of my position (and I'm guessing the data will go the same way)
[09:36] <junderwood> "Caught runtime error EZ::HTTPResponse: HTTP 417 (...."
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[09:38] <jonsowman> XABEN1 launch i think
[09:40] <m0psi> yep
[09:40] <m0psi> just noticed that
[09:40] <jonsowman> got it
[09:41] <Randomskk> junderwood: that's a very weird error. try restarting dl-fldigi
[09:41] <Randomskk> jonsowman: you're tracking?
[09:41] <jonsowman> yeah
[09:41] <jonsowman> shift is a tad high
[09:41] <navrac_work> morning - just turned on the rx - strong here
[09:41] <Randomskk> hmm I was just like "ooh I could track"
[09:41] <Randomskk> then remembered how I don't have a single working audio input
[09:42] <costyn> navrac_work: hiya, switching the reg values didn't work unfortunately
[09:42] <costyn> i'm going to desolder the rfm from the breakout and solder the wires directly to the rfm
[09:42] <navrac_work> really - should have done
[09:42] <junderwood> Randomskk, done. Same error.
[09:43] Nick change: number10 -> number10_M0MDB
[09:43] <junderwood> WARNING: Caught runtime_error: EZ::HTTPResponse: HTTP 417 (http://habitat.habhub.org/habitat/e4e19e ........)
[09:43] <costyn> navrac_work: might be issue with my test code of course; let me pastebin it
[09:44] <navrac_work> might be better to wait till this afternoon - im rather hungover and having trouble focussing!
[09:44] <navrac_work> got a really strong signal and cant decode it
[09:45] <costyn> navrac_work: ok :)
[09:45] <navrac_work> 8n1 for xaben?
[09:45] <number10_M0MDB> 7n1 navrac_work
[09:46] <navrac_work> ah thanks for that - sadly my short term memory seems to have gone absent this morning - between reading the launch announcement and entering in fldigi - 1 minute and forgot
[09:47] <fsphil> that's me most mornings :)
[09:47] <jonsowman> that's a bug in the autoconfigure at the moment i think
[09:47] <jonsowman> doesn't configure bits/char properly
[09:47] <navrac_work> more of a bug in me at the moment.
[09:48] <jonsowman> heh
[09:48] <jonsowman> i've not tried hungover HAB chasing
[09:48] <jonsowman> i don't think i will
[09:48] <navrac_work> is this all 50baud? only - I cant work out how to put the sound on to listen
[09:48] <number10_M0MDB> yes
[09:48] <jonsowman> yes 50
[09:49] <jonsowman> what OS navrac_work?
[09:49] <junderwood> OK. Really strong signal and the same upload error.
[09:49] <navrac_work> Windows7
[09:49] <junderwood> Yes
[09:50] <m0psi> hi all: i've got a small handheld radio, located in farnham, surrey. Should I expect to be able to rx xaben1 on 434.250? if so, what height will it be at, when i get to do that?
[09:50] <jonsowman> oh I can't remember how to do it on windows
[09:50] <jonsowman> it's a pain
[09:50] <jonsowman> something about Stereo Mix?
[09:50] <fsphil> if your radio can so SSB m0psi then yes
[09:50] <jonsowman> m0psi: dial frequency currently 434.248
[09:50] <fsphil> FM-only radios will not work
[09:50] <navrac_work> ooh thats noisy - wish i hadnt remembered - its routed thru virtual audio cable
[09:51] <number10_M0MDB> m0psi: tune to 434.247 you should receive when its at 5000m easily
[09:51] <m0psi> no ssb, but I thought i might be able to hear something
[09:51] Nick change: LazyLeopard -> LazyL_M0LEP
[09:51] <jonsowman> must be SSB I'm afraid
[09:51] <number10_M0MDB> ah
[09:51] <jonsowman> DSB-SC might work in a horrible way
[09:51] <jonsowman> i don't even want to think about that
[09:52] <navrac_work> im just going to find some coffee and bacon...
[09:52] <fsphil> the opposite actually, an FM radio will get quieter with the rtty signals
[09:52] <m0psi> :-(
[09:52] <fsphil> bacon
[09:52] <fsphil> I knew I forgot something
[09:52] <fsphil> nooooooooooo
[09:52] <mfa298> junderwood: Really silly question do you have lat/long/alt set in the dl-fldigi settings ?
[09:52] <jonsowman> fsphil: bacon's no good for SSB either
[09:52] <Randomskk> junderwood: (and alt should be 0)
[09:52] <fsphil> lies jonsowman
[09:52] <Randomskk> (uh, should be a number)
[09:52] <Randomskk> (not blank)
[09:52] Action: LazyL_M0LEP misses the manual field configuration option dl-fldigi used to have. These days, if autoconfigure doesn't work then the location, bearing and distance fields just remain blank 'cos there's no easy way to fix it locally.
[09:52] <junderwood> Alt is set and lat/lon
[09:52] <bertrik> I'll see if I can receive something in Gouda (about 15km north east of Rotterdam, netherlands) with my rtlsdr setup, I don't have a good antenne with line-of-sight though
[09:53] <junderwood> 3.21.38 is bust. 3.21.50 is bust. 3.20.34 is working and uploading fine.
[09:53] <fsphil> it's possible bertrik
[09:53] <fsphil> I wonder if I should try the rtl-sdr today
[09:53] <jonsowman> bertrik: get a really long pole and put your antenna on it :D
[09:53] <Randomskk> 3.21.38 will definitely not work, 3.20.34 is deprecated but should still work, it's bad that 3.21.50 isn't working
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[09:54] <LazyL_M0LEP> Autoconfigure didn't do the right thing for XABEN1... :/
[09:55] <jonsowman> LazyL_M0LEP: bits/char should be 7
[09:55] <number10_M0MDB> I cant seem to get the location and bearing on 3.21.50 - fine on 3.20.29
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[09:55] <jonsowman> number10_M0MDB: working fine here on 3.21.50
[09:55] <LazyL_M0LEP> Yeah, that bit is fine, but I had to set shift manually, and the field definitions aren't set correctly.
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[09:56] <jonsowman> LazyL_M0LEP: weird, those worksed fine
[09:56] <Randomskk> LazyL_M0LEP: they should be if autoconfigure is on the correct payload
[09:56] <fsphil> have you got the right xaben?
[09:56] <Randomskk> are you sure you've got a payload set correctly?
[09:56] <jonsowman> shift is set to 600 but it's more like 660
[09:56] <number10_M0MDB> maybe I haver my location not correctly - I notice that my station is only on the map with v2.9 jonsowman
[09:56] <LazyL_M0LEP> Not working on 3.21.50 here.
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[09:56] <junderwood> Randomskk, worked it out. I have a squid proxy on my firewall. When I turn it off, it works.
[09:56] <Randomskk> junderwood: ...that's curious
[09:57] <Randomskk> okay, thanks for diagnosing
[09:57] <number10_M0MDB> I am running woindows 7 - are you running mac - jonsowman ?
[09:57] <Randomskk> will try to investigate
[09:57] <jonsowman> number10_M0MDB: ubuntu
[09:57] <LazyL_M0LEP> There are two offered, 36 and 37. 37 offers the 0 and 1 options.
[09:57] <Randomskk> LazyL_M0LEP: refresh payloads
[09:57] <number10_M0MDB> well maybe its a windows version problem
[09:57] <m0psi> how often does xaben1 tx? or is it continous?
[09:57] <Randomskk> you should find that 36 and 37 then both have one payload
[09:57] <jonsowman> m0psi: continuous carrier between packets
[09:57] <jonsowman> roughly one packet per 20s
[09:57] <number10_M0MDB> near enough continuous m0psi - there are shorts bleeps between frames
[09:57] <fsphil> 50 baud is soo slow ;)
[09:58] <jonsowman> fsphil: lol
[09:58] <LazyL_M0LEP> Bingo! Fixed.
[09:58] <number10_M0MDB> how did you fix it LazyL_M0LEP ?
[09:58] <Randomskk> number10_M0MDB: have you definitely got your altitude set?
[09:58] <junderwood> Randomskk, "1350120904.623 0 127.0.0.1 NONE/417 4000 PUT http://habitat.habhub.org/habitat/e4e19e5d77a73852f2f9e23836628804 - NONE/- text/html
[09:58] <junderwood> "
[09:58] <LazyL_M0LEP> It seems someone has updated the flight documents in the last five minutes...
[09:58] <junderwood> rtfm time :)
[09:59] <number10_M0MDB> yes Randomskk - allthough it wasnt initially
[09:59] <LazyL_M0LEP> Refresh payload data and choose XABEN37
[09:59] futurity (~anonymous@cpc30-cmbg15-2-0-cust1.5-4.cable.virginmedia.com) joined #highaltitude.
[09:59] <Randomskk> junderwood: mysterious. HTTP 417 is expectation not met so maybe squid is doing some kind of a thing
[09:59] <Randomskk> not sure
[10:00] Dutch-Mill (3e2da1d3@gateway/web/freenode/ip.62.45.161.211) left irc: Ping timeout: 245 seconds
[10:01] <number10_M0MDB> Randomskk: working - altitude was not set when program started - entered altitude still not working - restart is now OK
[10:01] <futurity> tuned in using my Ezcap :)
[10:01] <fsphil> nice futurity
[10:01] <Randomskk> number10_M0MDB: great, okay. that's a known bug that should be fixed soon.
[10:01] <fsphil> I'm tempted to try one here, see if it works at this distance with habham
[10:01] <fsphil> habamp even
[10:01] <futurity> Remote tracking from work here I come ;)
[10:01] <fsphil> lol
[10:02] <bertrik> fsphil: just go for it :)
[10:02] <fsphil> lemme see if I can find my usb extension
[10:03] <fsphil> I've cleaned up the room and now I can't find anything
[10:03] <fsphil> (not that I could find stuff before either)
[10:04] <bertrik> I'm using a 3m USB extension cable to get some distance between the computer and the antenna, I've clamped a ferrite on the computer end of the cable
[10:10] <navrac_home> coffee, mmmm
[10:10] <jonsowman> lol
[10:11] <m0psi> is xaben1 using a ntx2 or rfm22b radio? for some reason i was under the impression that ntx2 sends out fm. is that righ?
[10:11] <Randomskk> well yes and no
[10:12] Ionian (~Ionian@ppp-94-66-98-56.home.otenet.gr) joined #highaltitude.
[10:12] <navrac_home> this little atom pc hasnt got enough oomph to run the tracker :-(
[10:12] <Randomskk> saying "FM" and "SSB" loses meaning when you're not just transmitting voice
[10:12] <navrac_home> you can send out fm, but by putting dc steps in you can send fsk
[10:12] <number10_M0MDB> xaben 0 up
[10:12] <Randomskk> essentially we have the NTX2s sending out FSK (frequency shift keying) which means a carrier tone that changes frequency with each bit
[10:13] <navrac_home> i think this is neither of those modules though
[10:13] <Randomskk> if you tried to receive that on FM it would sound like silencing with a click each bit
[10:13] <Randomskk> but you can't really decode that
[10:13] <Randomskk> but if you turn a radio to SSB it will think there's a carrier at the dial freq that's been removed, insert it for you, then downmodulate the whole thing to audio
[10:13] <jonsowman> navrac_home: correct, it's a LMT2
[10:13] <Randomskk> at which point the FSK carrier being transmitted is turned into audio tones at some distance above the dial frequency
[10:13] <Randomskk> but yea, also this is an LMT2
[10:13] <m0psi> ok, but if i fed that into a pc, as audio, i could then get fl-digi to do that right?
[10:14] <Randomskk> m0psi: yes, the SSB
[10:14] <Randomskk> but not if you had an FM tuner.
[10:14] <navrac_home> as fm just goes quiet when theres no modulation
[10:14] <m0psi> hmm, ok, so i need to get that out of the handheld BEFORE it demodulates it
[10:14] <fsphil> the NTX2 is actually quite a poor audio transmitter
[10:14] <m0psi> which is not going to happen! :-(
[10:15] <Randomskk> m0psi: well really you need an SSB radio
[10:15] Willienl (~kvirc@unaffiliated/willie/x-000000001) joined #highaltitude.
[10:15] <Randomskk> you will really struggle to get the radio signal out of the handheld before demodulation
[10:15] <Randomskk> you're kinda bypassing it as a radio at that point
[10:15] <m0psi> y, but i got one of those cheap SDRs (UV-5R) for ?30
[10:15] <Randomskk> fsphil: yea. I mean to be fair it's designed to do fsk (though with bigger shifts)
[10:15] <Randomskk> is the UV-5R SDR?
[10:15] <RG-lz1dev> no
[10:15] <RG-lz1dev> handhald radio
[10:15] <fsphil> oh totally :)
[10:15] <m0psi> apparently
[10:15] <Randomskk> I know it's a handheld radio
[10:15] <Randomskk> I own one
[10:15] <Randomskk> but it could still be SDR, RG-lz1dev
[10:16] <fsphil> I just thought I'd be silly and play music over it
[10:16] <Randomskk> fsphil: yes, I've done that
[10:16] <Randomskk> it worked reasonably well?
[10:16] <Randomskk> it wasn't like, super hifi
[10:16] <jonsowman> fsphil is attempting to rickroll UKHAS
[10:16] <Randomskk> but we played some music over it and it was okay
[10:16] <Darkside> its not really a SDR
[10:16] <jonsowman> so transparent
[10:16] <fsphil> it was very muffled here
[10:16] <Darkside> it just samples a 12KHz IF
[10:16] <Randomskk> jonsowman: you're projecting
[10:17] <fsphil> you've figured out my evil plans jonsowman
[10:17] <jonsowman> :)
[10:17] <fsphil> actually I'd was pondering an audio repeater again
[10:17] <Darkside> ism band?
[10:17] <Darkside> you'd have to input on another band
[10:17] <fsphil> yea
[10:17] <Darkside> you won't get the isolation on a single band
[10:17] <fsphil> 2m input
[10:17] <Darkside> oooooh
[10:17] <Darkside> careful
[10:18] <Darkside> uplink to cut a balloon down is one thing
[10:18] <Darkside> repeating amateur voice comms is another
[10:18] <Darkside> also 10mw down won't be enough
[10:18] <fsphil> as an ISM transmittion, the content doesn't matter
[10:18] <fsphil> well so long as it's voice
[10:18] <fsphil> they don't allow music
[10:19] <Randomskk> that's not always true
[10:19] <Randomskk> ISM has specific use allowances
[10:19] <Randomskk> it's not license-free, it's license-exempt, and the difference is important
[10:20] <Randomskk> we operate under "airborne telemetry downlink" allowances or something, last I checked
[10:20] <fsphil> yea, there's a note about voice on 434mhz
[10:20] <Randomskk> yea but is it okay for airborne?
[10:21] <fsphil> yes
[10:21] <Randomskk> okay then
[10:21] <Randomskk> cool
[10:21] <jonsowman> prediction is a nice circle around cambridge
[10:21] <jonsowman> wonder if there are any cameras onboard
[10:21] <fsphil> Equipment may be used airborne
[10:21] <fsphil> Analogue audio applications other
[10:21] <fsphil> than voice / speech are excluded.
[10:21] <Randomskk> that we're allowed to see :P
[10:21] <jonsowman> yes
[10:21] <jonsowman> that
[10:21] <Randomskk> fsphil: fair enough
[10:22] cuddykid (~acudworth@92.40.254.33.threembb.co.uk) joined #highaltitude.
[10:22] <cuddykid> hi guys - all powered on - just about to start filling then should launch soon
[10:24] <jonsowman> cool
[10:25] <jonsowman> good luck!
[10:25] <navrac_home> like busses...
[10:25] <fsphil> there are crazy people on them?
[10:25] <jonsowman> :\
[10:26] wdb (~chatzilla@541AD901.cm-5-3d.dynamic.ziggo.nl) joined #highaltitude.
[10:26] <navrac_home> I'll stick on the xabens as they are closer
[10:26] grumbleist (~grumbleis@cpc38-camd13-2-0-cust889.20-2.cable.virginmedia.com) joined #highaltitude.
[10:26] <fsphil> ok to be fair, I've only seen one crazy person and I was on about 10 busses
[10:26] <fsphil> the ratio is pretty good
[10:28] <jonsowman> urgh QRM
[10:30] <number10_M0MDB> there are lots of bleeps on 434 all over cambridge jonsowman I wonder if the bus time display is 70cm
[10:31] <jonsowman> probably something like that
[10:31] <jonsowman> i'm a bit outside the town centre now so it's not too bad
[10:31] <fsphil> I've love to get one of the LED screens they have on the london busses
[10:31] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[10:32] <bertrik> around 433.92 MHz you get a lot of things like wireless thermometers, I can receive about 10 of them here
[10:32] <futurity> Hi, where can I download to new proper version of dl-fldigi? thanks
[10:32] <jonsowman> yeah, that's why we try and stay towarsd the top of the ISM band bertrik
[10:32] <jonsowman> futurity: http://ukhas.org.uk/projects:dl-fldigi
[10:32] <futurity> thanks
[10:33] Ionian (~Ionian@ppp-94-66-98-56.home.otenet.gr) left irc: Remote host closed the connection
[10:34] <jonsowman> just got altitude as 94511
[10:34] BrainDamage (~BrainDama@dynamic-adsl-78-12-228-215.clienti.tiscali.it) joined #highaltitude.
[10:35] <number10_M0MDB> what frame number?
[10:35] <jonsowman> 409
[10:35] <jonsowman> failed checksum unsurprisingly :)
[10:35] <number10_M0MDB> lol
[10:35] <junderwood> 14531 - not even close
[10:36] <jonsowman> weird
[10:36] <junderwood> only 2 bits wrong
[10:36] <jonsowman> :)
[10:36] <jonsowman> yay RS232 etc
[10:37] <bertrik> '9' = 0x39 and '1' = 0x31, right? just one bit wrong I think
[10:38] <junderwood> and one bit on the 3 / 5
[10:38] <jonsowman> FEC needed
[10:39] <RG-lz1dev> fec it
[10:39] <jonsowman> quite
[10:42] bbjunkie (~bbjunkie@95.151.5.238) joined #highaltitude.
[10:44] <futurity> Using the latest downloaded dl-fldigi I seem to be getting a lot of letters and no digits. Selected XABEN0 and hit auto configure, but not decoding as expected even though strong signal. any ideas
[10:44] <jonsowman> futurity: change the bits/char
[10:45] <jonsowman> it's a bug in current dl-fldigi that it doesn't autoconf the bits/char properly
[10:45] <jonsowman> manually change it to 7
[10:45] <futurity> cool, thought it was me
[10:45] <futurity> any idea where this setting s?
[10:45] <futurity> is?
[10:46] <jonsowman> right click on 'RTTY', bottom left
[10:46] <futurity> oh got it
[10:46] <futurity> sorted fantastic
[10:47] <jonsowman> :)
[10:48] <cuddykid> about to launch
[10:48] <cuddykid> stand by
[10:49] <futurity> ezcap through the laptop sound card through a cable back through the microphone socket into dl-fldigi and decoding :)
[10:49] <futurity> thanks for your help
[10:49] <jonsowman> no problems
[10:51] rwat (~rich@host-92-19-255-134.static.as13285.net) left irc: Quit: This computer has gone to sleep
[10:51] <cuddykid> off :)
[10:51] <junderwood> dial?
[10:52] <jonsowman> 434.248
[10:52] <jonsowman> has been extremely stable
[10:52] <junderwood> sorry. cuddykid dial?
[10:52] <jonsowman> ah, sorry
[10:52] <mfa298> junderwood: it's suppood to be 434.650
[10:53] <junderwood> I know. But is it actually that :)
[10:53] <junderwood> got it 434649.4 - close
[10:54] <futurity> does anyone know the format of the dl-fldigi QTH and locator fields?
[10:54] M0NSA (~HeliosFA@2a01:348:117::666) joined #highaltitude.
[10:54] <jonsowman> futurity: ignore those, the important one is the Location tab under DL Client
[10:55] <jonsowman> lat/lon in decimal degrees and make sure altitude is not blank (set to 0)
[10:55] <LazyL_M0LEP> Hmmm... XABEN0 being very faint at the moment....
[10:59] g7waw (51844d38@gateway/web/freenode/ip.81.132.77.56) joined #highaltitude.
[11:00] <futurity> is there a way for me to check that my decoded lines are being uploaded?
[11:00] <futurity> m6fty
[11:01] <futurity> i don't seem to be on the map (rig location) or being listed int to pop ups on the map
[11:01] cuddykid (~acudworth@92.40.254.33.threembb.co.uk) left irc: Quit: cuddykid
[11:01] <jonsowman> Receivers: M0LEP, G0NZO, G8KNN, ON5LT, m6fty, M0MDB, G8KHW
[11:01] <jonsowman> futurity: ^
[11:01] <jonsowman> :)
[11:02] <mfa298> shift on HABE looks to be more like 770 than 850.
[11:02] grumbleist (~grumbleis@cpc38-camd13-2-0-cust889.20-2.cable.virginmedia.com) left irc: Quit: grumbleist
[11:03] navrac_home (545c0e05@gateway/web/freenode/ip.84.92.14.5) left irc: Ping timeout: 245 seconds
[11:03] <futurity> jonsowman: still not showing on the map even after a refresh. Does it only show the first few trackers?
[11:04] <jonsowman> should show them all, you're definitely showing up here
[11:04] <futurity> Stupid me, was looking at wrong balloon :(
[11:04] <jonsowman> ah
[11:04] <jonsowman> lol
[11:05] <futurity> i take it that the masts (my location) appears on future launches?
[11:06] chembrow_m6pxl (~chris@02db29eb.bb.sky.com) joined #highaltitude.
[11:06] <jonsowman> it's transmitted to the habitat backend when fl-digi is running
[11:06] <jonsowman> it will disappear if no contact from dl-fldigi has been had for more than x hours
[11:06] <jonsowman> wher x is 12 or 24 or something
[11:07] <gonzo__> it appears on the map at the last location you set in fldidg
[11:07] <gonzo__> think it persists for about 10hrs?
[11:07] <gonzo__> ah, snap!
[11:07] <jonsowman> yes something like that
[11:07] <jonsowman> i don't know the exact number
[11:08] <futurity> just appeared :)
[11:08] navrac_home (545c0e05@gateway/web/freenode/ip.84.92.14.5) joined #highaltitude.
[11:13] cuddykid (~acudworth@host-78-145-201-41.as13285.net) joined #highaltitude.
[11:17] <craag> Wow. HABamp brought the signal from barely visible on the waterfall to 100% decode!
[11:18] cuddykid (~acudworth@host-78-145-201-41.as13285.net) left irc: Quit: cuddykid
[11:18] <Darkside> \o/
[11:18] <craag> Thanks Darkside!
[11:18] <WillDuckworth> good stuff :)
[11:25] Action: LazyL_M0LEP is going to be leaving his system to mind itself this afternoon...
[11:29] LazyL_M0LEP (~irc-clien@chocky.demon.co.uk) left irc: Quit: Bye
[11:30] clem_ (57c2776a@gateway/web/freenode/ip.87.194.119.106) joined #highaltitude.
[11:32] <jonsowman> XABEN1 weird flight path
[11:33] <number10_M0MDB> is a bit strange - maybe its upset as xaben 37 got launched before xaben 36
[11:33] <jonsowman> haha
[11:34] <jonsowman> 30km
[11:34] <number10_M0MDB> anyone know what size balloon?
[11:34] <jonsowman> nope
[11:35] <jonsowman> dynamic predictor is set for 32km but that's for cuddykid really
[11:35] <jonsowman> could be hugely wrong for the XABENs
[11:36] <clem_> Hello, newbie here. Where does one start to help with some tracking? Do I need a 70cm radio with SSB?
[11:36] <jonsowman> you do indeed
[11:36] <number10_M0MDB> yes
[11:37] <clem_> ok, so amazon/ebay is the place to go?
[11:37] <number10_M0MDB> have a look here http://ukhas.org.uk/guides:tracking_guide clem_
[11:37] <jonsowman> clem_: are you keen on amateur radio? and what is your budget?
[11:37] <clem_> oh, I missed this page!
[11:38] <number10_M0MDB> this also may be of interest http://ukhas.org.uk/guides:sdr_tracker
[11:38] <fsphil> er, burst?
[11:38] <clem_> I'm really just a beginer but I'd love to be involved somehow. And tracking balloons sounds great.
[11:39] <jonsowman> fsphil: don't think so?
[11:39] <number10_M0MDB> tracking is a good place to start
[11:39] <fsphil> ah, sorry my fcd's frequency is drifting
[11:39] <fsphil> not the balloon
[11:39] <jonsowman> :)
[11:39] RocketBoy (~steverand@212.183.128.8) joined #highaltitude.
[11:40] <fsphil> it's a bit weaker than normal
[11:40] <number10_M0MDB> are you chasing RocketBoy ?
[11:41] <fsphil> got one
[11:41] <RocketBoy> yep - parked up at the mo - just having a KitKat
[11:41] <jonsowman> good choice
[11:41] <fsphil> indeed
[11:41] <RocketBoy> :-)
[11:41] <number10_M0MDB> I noticed you launched xaben1 (37) before xaben0 (36) RocketBoy
[11:41] <number10_M0MDB> just to confuse us
[11:41] <fsphil> are they both transmitting xaben1?
[11:41] <RocketBoy> any chance of putting on landing spot prediction for the descent?
[11:42] <jonsowman> RocketBoy: it's already running
[11:42] <fsphil> oh sorry, I'm reading the wrong field
[11:42] <number10_M0MDB> no fsphil
[11:42] <jonsowman> it's set for 32km burst at the moment (for cuddykid) but once XABENs have burst it should be accurate
[11:42] <fsphil> number10_M0MDB: I thought the 29968 was the altitude
[11:43] <number10_M0MDB> it is
[11:43] <RocketBoy> cheers - its not on my display ATM - will it come one? or is it my browser?
[11:43] <number10_M0MDB> my response was to [12:41] <fsphil> are they both transmitting xaben1?
[11:43] <fsphil> 32618 is the altitude :)
[11:43] <number10_M0MDB> :)
[11:43] <jonsowman> RocketBoy: usually will take a minute or two after loading the page
[11:43] <fsphil> having this many flights in the air just confuses me :p
[11:43] <fsphil> I need a kitkat
[11:43] <x-f> interesting, they have launched in time when there is a warning from NOAA "Geomagnetic K-index of 6 (G2)"
[11:43] <jonsowman> RocketBoy: XABEN1 is currently predicted at
[11:43] <jonsowman> Predicted Landing
[11:43] <jonsowman> 52.2021, 0.532239 at 12:29 UTC
[11:44] <jonsowman> though the burst alt is likely to be wildly wrong
[11:44] <chembrow_m6pxl> what's habe on? got a good signal but not getting anything in fldigi
[11:45] <x-f> "Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible."
[11:45] <mfa298> chembrow_m6pxl: 8n1 shift is about 720
[11:45] <x-f> does it affect near-spacecrafts too? :)
[11:45] <fsphil> no sign of xaben0 here
[11:46] <fsphil> oh wait, see it
[11:46] <chembrow_m6pxl> thanks mfa298, working nicely now.
[11:46] <fsphil> that's even weaker
[11:47] <x-f> "Radio - HF (high frequency) radio propagation can fade at higher latitudes."
[11:47] <fsphil> and a really loud signal from habe
[11:47] <fsphil> loudest of all three
[11:47] <fsphil> despite being the lowest
[11:48] <jonsowman> 0deg horizons are roughly all right above you fsphil
[11:48] <fsphil> indeed
[11:48] <fsphil> this is a pretty unique comparason
[11:48] <jonsowman> yeah
[11:48] <x-f> xaben1 coming down
[11:48] <jonsowman> it is
[11:49] <fsphil> oh right, habe is a lot closer to me than the other two
[11:49] <jonsowman> yes
[11:49] <fsphil> that'll explain that
[11:49] <fsphil> about 100km closer
[11:49] <jonsowman> RocketBoy: okay, XABEN1 predictions should now be useful
[11:49] <jonsowman> currently 52.2117, 0.632886 at 12:44 UTC
[11:50] <fsphil> now if only habe used a good checksum ;)
[11:50] <RocketBoy> cheers
[11:50] <jonsowman> what's it using?
[11:50] <fsphil> 8-bit
[11:50] <RocketBoy> burst should be about 35
[11:50] <fsphil> a few bad strings already got a green bar
[11:50] <jonsowman> fsphil: oh dear
[11:51] <jonsowman> RocketBoy: for XABEN0?
[11:51] <RocketBoy> yep
[11:51] <jonsowman> okay, i'll set predictor burst for 35km since XABEN0 is going to burst before HABE
[11:52] <jonsowman> ok done, give it a minute or two
[11:53] <RocketBoy> is xaben1 still the same landing spot? more or less?
[11:53] <jonsowman> RocketBoy: hasn't moved much, currently just north of Chevington
[11:53] <jonsowman> coords 52.2094, 0.611309
[11:54] <RocketBoy> sw or bury?
[11:54] <WillDuckworth> hey - i can see HABE with my binoculars!
[11:54] <jonsowman> yep
[11:55] <jonsowman> RocketBoy: about 5km SW of Bury town centre
[11:55] <jonsowman> maybe 7km
[11:55] <junderwood> WillDuckworth, from where?
[11:56] <WillDuckworth> in Worcester
[11:56] <fsphil> nice one
[11:56] <junderwood> Not bad. I'll look out for it once it gets a bit closer to me
[11:56] <RocketBoy> of
[11:56] <WillDuckworth> cool - will try again - cloud blocking it now.
[11:56] <WillDuckworth> thought i'd try on the off chance
[11:57] <jonsowman> we should get a telescope with a camera eyepiece and mount it on the trackotron
[11:57] <WillDuckworth> good name :)
[11:57] <jonsowman> WillDuckworth: there are many things in the CUSF lab named x-otron
[11:57] <fsphil> habe's got a bit weaker
[11:57] <jonsowman> the weldotron is particularly terrifying
[11:58] <fsphil> couldn't be any worse than the knifeotron
[11:58] <jonsowman> :|
[11:59] <fsphil> it's a machine we used to have that cut shapes out of plastic sheets
[12:00] <fsphil> it never worked properly
[12:00] <number10_M0MDB> yea like that llotron always something strange going wrong with it
[12:00] <jonsowman> that sounds dangerous
[12:00] <fsphil> it was behind a cage, safe enough :)
[12:00] <jonsowman> haha
[12:03] <jonsowman> car outside idling
[12:03] <jonsowman> ignition noise everywhere
[12:03] <jonsowman> :(
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[12:04] <jonsowman> RocketBoy: XABEN1 predicted landing spot has moved a bit closer to Bury, currently 52.2238, 0.629759 at 12:41 UTC
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[12:05] <fsphil> I might have room on the roof for a 70cm yagi soon
[12:05] <fsphil> is there no end to the spending in this hobby
[12:06] <number10_M0MDB> it will be a special chase motor next fsphil , followed by a boat
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[12:06] <fsphil> definitly a boat
[12:07] <fsphil> although half the guys at the radio club have a boat so I'm covered ;)
[12:07] <jonsowman> that would increase your launch opportunities by several hundred percent
[12:07] <fsphil> ah, hab's gone wobbly
[12:07] <fsphil> habe*
[12:07] <fsphil> it busrty
[12:07] <fsphil> nope
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[12:07] <jonsowman> Rate -19.9m/s
[12:07] <fsphil> oh it has
[12:08] <fsphil> lower than expected
[12:08] <jonsowman> it was a Pawan balloon wasn't it?
[12:08] <fsphil> quite possibly
[12:08] <jonsowman> do you know what expected burst was?
[12:08] <fsphil> nope, but with that ascent rate I expected it to get to 30km
[12:09] <fsphil> it might have been a small balloon
[12:09] <jonsowman> yeah, 20k is particularly low
[12:09] <jonsowman> could've been
[12:09] <jonsowman> we'll find out later
[12:09] <jonsowman> at the same time we rib him about using XOR checksums
[12:09] <fsphil> definitely
[12:10] <fsphil> using a branch of gqrx that has a waterfall zoom -- so much better
[12:10] <jonsowman> oh nice
[12:10] <jonsowman> link?
[12:11] <fsphil> https://github.com/vpelletier/gqrx
[12:11] <jonsowman> ta
[12:11] <jonsowman> i assume it's not master?
[12:11] <jonsowman> 'zoom' perhaps?
[12:12] <fsphil> it's a fork, I'm just running the master version of it
[12:12] <jonsowman> ok, so zoom is in the master of this fork?
[12:12] <jonsowman> RocketBoy: 52.2048, 0.570896, directly west of Chevington
[12:13] cuddykid_mob (~cuddykid_@92.40.254.33.threembb.co.uk) joined #highaltitude.
[12:13] <jonsowman> hello cuddykid_mob
[12:13] <cuddykid_mob> dont believe it
[12:13] <jonsowman> heh
[12:13] <RocketBoy> cheers
[12:13] <griffonbot> Received email: mclane "[UKHAS] Launch announcement PYSY on 20.10.2012"
[12:13] <jonsowman> what burst alt were you expecting cuddykid_mob?
[12:13] <cuddykid_mob> about 32km
[12:13] <jonsowman> what balloon? did you say pawan?
[12:13] <fsphil> ah nice, xaben is tx'ing 0x00 characters
[12:13] <cuddykid_mob> its a stupid fucking pawan
[12:13] <jonsowman> what size?
[12:14] <cuddykid_mob> 1200g
[12:14] <jonsowman> interesting
[12:14] <jonsowman> yes a 1200g totex would be more like 32km
[12:14] <cuddykid_mob> should never of trust the indian manufacturers
[12:14] <jonsowman> cuddykid_mob: they are a bit of an unknown at the moment
[12:14] <jonsowman> cuddykid_mob: what was the payload mass?
[12:15] <cuddykid_mob> we're miles from it to
[12:15] <cuddykid_mob> jonsowman, about 900g
[12:15] <jonsowman> hmm
[12:15] <jonsowman> very interseting
[12:15] <jonsowman> sp
[12:15] <cuddykid_mob> at cherwell valley sevices
[12:16] <junderwood> ouch. No good route from there
[12:16] <jonsowman> prediction is currently 52.0587, -1.59463 at 12:55 UTC
[12:16] <cuddykid_mob> in fact - it looked grubby when i got it out of box
[12:16] <jonsowman> where did you get it from?
[12:17] <fsphil> hehe, elevation 1.1
[12:17] <RocketBoy> is xaben1 still landing chevington ?
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[12:18] <jonsowman> RocketBoy: SW of Chevington, coords 52.1908, 0.560556
[12:18] <RocketBoy> cheers
[12:18] <fsphil> xaben0 is getting a bit weaker
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[12:19] <cuddykid_mob> jonsowman, chris hillcox
[12:19] <fsphil> that and the qrm are wiping it out
[12:19] <jonsowman> fsphil: yeah really faint here too, and i'm only about 30km away
[12:19] <fsphil> weird
[12:19] <cuddykid_mob> no way of getting to it in time - grabbing lunch and relying on backup tracker
[12:20] <jonsowman> cuddykid_mob: others will probably get it down to a few hundred metres
[12:20] <cuddykid_mob> hopefully
[12:20] <jonsowman> drive to last known coords and you should hear it
[12:20] <cuddykid_mob> yep
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[12:20] <fsphil> good luck
[12:20] <fsphil> oh
[12:20] <jonsowman> heh
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[12:21] <fsphil> PE7ER .. great callsign
[12:21] <fsphil> unless his name is Frank
[12:21] <jonsowman> haha
[12:22] <fsphil> there's a lot of stations in england today
[12:22] <jonsowman> yeah
[12:22] <jonsowman> that's what you get for launching at the weekend
[12:22] <fsphil> the south even
[12:22] <fsphil> it's got weaker here
[12:22] <fsphil> I wonder what's causing that
[12:23] <jonsowman> junderwood should get HABE basically until it lands
[12:23] <jonsowman> fsphil: yeah, very very fadey
[12:24] Nick change: M-Kat -> Laurenceb_
[12:24] <junderwood> still a really strong signal from Habe
[12:25] <junderwood> No hills in that direction so I guess I will lose it at about 3000 ft
[12:25] <jonsowman> junderwood: should be good enough for them to find it by driving to those coordinates
[12:25] <jonsowman> fingers crossed anyway
[12:25] <fsphil> burst
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[12:26] <jonsowman> yep
[12:26] <fsphil> finally got one right :)
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[12:26] <jonsowman> haha
[12:27] <fsphil> unlikely to get any more decodes here
[12:27] <jonsowman> might be lunchtime
[12:27] <fsphil> sounds like it's spinning pretty good
[12:28] <jonsowman> $$AGEB0
[12:28] <jonsowman> hmm
[12:30] <fsphil> right, my stomach demands food. bbl
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[12:32] <kokey> hmmm, just noticed the example rtty code for the rfm22b does a shift of 500hz instead of 425hz
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[12:41] <NigelMoby> I'm gonna call my next payload asbo
[12:41] <fsphil> hasbo
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[12:45] <junderwood> Habe seems to have landed just outside Blackwell
[12:48] <NigelMoby> oo Hasbro, and send up some sweeties!
[12:50] <junderwood> Habe: CV36 4PQ
[12:51] <kokey> is there a way to make fldigi play the input sound?
[12:52] <navrac_home> whats the receiver?
[12:52] <jonsowman> you need to get the OS to do that
[12:52] <kokey> yupiteru mvt-7100 scanner
[12:52] <navrac_home> if its into the input port surely you can just bring up the computer vol for that port
[12:54] cuddykid (~acudworth@92.40.254.87.threembb.co.uk) joined #highaltitude.
[12:55] <jonsowman> cuddykid: junderwood> Habe: CV36 4PQ
[12:56] <navrac_home> kokey the rfm only has a frequency tep of 156Hz ish so any frequency would be a multiple of that
[12:57] <junderwood> cuddykid, just east of Blackwell Village Hall
[12:58] <cuddykid> thanks :)
[12:58] <cuddykid> heading there now
[12:58] <cuddykid> got a position from the backup tracker - 52.087295, -001.63884
[12:58] <cuddykid> looks like v near trees!
[13:01] <junderwood> Hmm. Big trees from the look of the shadows. And it came in directly over them
[13:01] <cuddykid> still can't believe it only got to 23km
[13:01] <kokey> not sure what I'm doing with my tracker, what I receive on the radio sounds like RTTY, on the waterfall it looks like RTTY, but the decoding is garbage
[13:01] <cuddykid> yep - fingers crossed junderwood
[13:02] <junderwood> Shame about the altitude. You were heading right for my back garden
[13:02] <jonsowman> kokey: bits/char, stop bits, shift, baud etc all correct?
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[13:03] <cuddykid> junderwood: yep
[13:04] <kokey> hmmm, maybe I should fiddle with the baud rate a bit
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[13:08] <kokey> anyone have a recording up of what rtty-hab-50 sounds like?
[13:09] <jonsowman> http://tenbus.co.uk/icaruscapture_30secs.mp3
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[13:09] <kokey> ah, yeah I think mine's too fast
[13:10] <kokey> jonsowman: thanks
[13:10] <jonsowman> welcome :)
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[13:11] <RocketBoy_S2> yo can someone give mr last pos on xaben0
[13:11] <RocketBoy_S2> pls
[13:11] <jonsowman> RocketBoy_S2: 52.21259,0.58498
[13:11] <RocketBoy_S2> cheers
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[13:20] <kokey> hmmm, how do I do 1.5 stop bits?
[13:20] <jonsowman> on the payload side?
[13:21] <jonsowman> or in fldigi?
[13:21] <kokey> payload side
[13:21] <kokey> I just have
[13:21] <kokey> rtty_txbit (1); // Stop bit
[13:21] <kokey> rtty_txbit (1); // Stop bit
[13:21] <kokey> I suppose that's two stop bits
[13:21] <jonsowman> do 2 stop bits then :)
[13:22] <kokey> using the example code from the wiki for the rfm22b
[13:22] <kokey> yeah I tried with 2 stop bits, still garbage
[13:22] <jonsowman> that won't be the problem, as long as fldigi is set to the same thing
[13:22] <kokey> I would generally like to be able to do the RTTY HAB 50 mode that's in the new fldigi
[13:23] <jonsowman> 7N2 and 8N2 are common
[13:24] <jonsowman> you make a flight document & payload document for your particular RTTY config, and dl-fldigi can auto-configure from that document
[13:25] <kokey> ah ok cool
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[13:30] <Darkside> ok that is screwed
[13:30] GeekShadow (~antoine@reactos/tester/GeekShadow) left irc: Ping timeout: 245 seconds
[13:30] <Darkside> pyserial isn't timing out
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[13:34] <kokey> oh
[13:34] <kokey> I switched the radio to LSB, now it works
[13:34] <jonsowman> ah
[13:34] <jonsowman> yes that's something to watch out for
[13:34] <jonsowman> pressing the RV button in fldigi has the same effect
[13:35] Lunar_Lander (~gd-compto@p548828B5.dip.t-dialin.net) joined #highaltitude.
[13:35] <Lunar_Lander> hello
[13:35] <Lunar_Lander> nice to see that we had three good flights
[13:35] <Lunar_Lander> :)
[13:37] cuddykid_mob (~cuddykid_@92.40.254.87.threembb.co.uk) joined #highaltitude.
[13:37] <cuddykid_mob> landed in the biggest f'ing tree
[13:37] <jonsowman> oh dear
[13:37] <jonsowman> pics?
[13:37] <cuddykid_mob> one sec
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[13:41] <cuddykid_mob> http://i.imgur.com/5AxQF.jpg
[13:41] <cuddykid_mob> nightmare launch day!
[13:41] <jonsowman> that is pretty high
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[13:42] <Lunar_Lander> yea
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[13:46] <cuddykid_mob> dont think we're going to be able to get jt down
[13:47] <cuddykid_mob> dont suppose there is anyone in the vicinity with a chainsaw?!
[13:48] <jonsowman> try local tree surgeons
[13:49] <jonsowman> that's what we did for Nova 19
[13:49] <jonsowman> cost us £50 :)
[13:49] <cuddykid_mob> yeah
[13:49] <cuddykid_mob> 2 gopros up there
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[13:50] <jonsowman> probably worth getting it back then ;)
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[13:50] <SpeedEvil> I have been playing with chainsaw today.
[13:50] <SpeedEvil> chainsaws are fun
[13:58] Nick change: number10_M0MDB -> number10
[13:58] Nick change: SAIDias -> W0OTM
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[14:09] <kokey> ok so it looks like using 425 shift in fldigi while doing 500 shift on tx isn't very reliable
[14:09] <jonsowman> nope, set the dl-fldigi shift to match
[14:10] <kokey> didn't notice the custom shift mode, I'm a bit blind today
[14:10] <jonsowman> the autoconfigure supports custom shifts as well
[14:10] <jonsowman> so no problem there :)
[14:10] <kokey> ah that's cool then
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[14:22] <kokey> weird it seems to start with a slightly lower frequency, and only after the third byte or so is it sending rtty at the right freq
[14:23] <jonsowman> NTX2?
[14:23] <kokey> rfm22b
[14:23] <jonsowman> they do take a while to stabilise, are you turning it off after the end of each packet?
[14:23] <jonsowman> oh ok
[14:23] <kokey> yeah I am, yeah it does seem a bit like that
[14:24] <jonsowman> leave it turned on
[14:24] <jonsowman> turning it off doesn't save much power and you lose the carrier for people to track the tuning
[14:24] <jonsowman> even better, have it transmit NULLs (0x00) so that dl-fldigi's AFC can keep tracking
[14:24] <kokey> ah ok cool
[14:24] <kokey> thought it might save power
[14:25] <jonsowman> technically it does, but really not much
[14:25] <jonsowman> unless you are extremely constrained on power, leave the radio on and transmit packets almost continuously
[14:28] <kokey> funny thing I have, the first time I have tx on it's way off, then after switching it off and on again it's fine
[14:29] <jonsowman> how far off is 'way off'? i've not really used the rfms so you might be better off waiting for someone who has a bit more experience with them
[14:32] <navrac_home> its a known fault with the rfm's
[14:33] <navrac_home> you can minimize it by sticking some metal onto the top of the chip on the rfm with some heatsink compound then cover it with wax
[14:34] <kokey> anyway, seems like switching it on twice makes it work well now
[14:34] <kokey> on, send a little bit of data, off, on, then go ahead
[14:35] <jonsowman> navrac_home: what causes it?
[14:35] <kokey> nice, now I don't even get a single bad byte
[14:35] <navrac_home> if to be honest unless you are going for real power saving stuff, just leave it txing - it makes it much easier to track
[14:36] <navrac_home> jonsowman - it appears that the rfm22 has internal caps for the xtal which get effected by the heat of the tx powe amp starting
[14:37] <jonsowman> interesting
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[14:39] <navrac_home> the smaller the time its off, the less the drift. Anything over 10 seconds tends to mean you loose the first char when the signals marginal
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[14:40] <kokey> cool, I unplugged my payload, put it on a battery, put it on the balcony, and now it has a GPS lock
[14:40] <jonsowman> nice one, good work kokey
[14:40] <kokey> and sending it to me inside of the flat
[14:41] <futurity> In case anyone is interested in getting a Ezcap, I was able to track Steve's payloads without any issues today using a Yagi through 15m+ of cheap coax, through the Ezcap filter / amplifier and the Ezcap and then control it through remote desktop. I didn't bother with a virtual sound card, but instead plugged a headphone lead from the headphone socket to the microphone. Wasn't expecting it to be so reliable.
[14:42] <kokey> futurity: wow, that's good news
[14:42] <kokey> I think the only thing we're really lacking is a reasonably lightweight and portable piece of software for the sdr-rtl
[14:43] <futurity> Yep, the filter / amp circuit is powered from the USB power and is after the long run of wire (rather than before the run of wire next to the aerial end), yet it still works really well
[14:43] <griffonbot> @adamcudworth: #HABE 6 has been removed from the tree! Parachute and balloon stuck up though #ukhas [http://twitter.com/adamcudworth/status/257129488373149696]
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[14:45] <futurity> Is there linux sdr-rtl & dl-fldigi software? If so, I guess a raspberry Pi wouldn't be powerful enough to run it
[14:45] <jonsowman> not yet
[14:45] <jonsowman> but in theory i reckon it could be done
[14:45] <jonsowman> i think fsphil has done some investigation in this area
[14:46] <navrac_home> i can run mine on a little cheap windows netbook
[14:46] <navrac_home> it does that easier than it runs the tracker page
[14:46] <jonsowman> oh the tracker page
[14:47] <jonsowman> yes you need quite a lot of RAM for that
[14:47] <futurity> Today's testing shows that the graphics seems to be more demanding that the audio / decoding
[14:47] <jonsowman> yes
[14:47] <futurity> if you put them on slow or pause its much better
[14:49] <DanielRichman> Another option is: iirc the rtl-sdr comes with a program that takes the samples and streams them straight over the network with next to no processing
[14:49] <DanielRichman> so you could have the raspi near the radio or on your roof or whatever and do the work elsewhere
[14:50] <jonsowman> DanielRichman: i think that's what most of these programs do, you can ask the rtl2832 to give you the raw IQ sampels
[14:50] <jonsowman> but yes you could stream these elsewhere and process them
[14:51] <jonsowman> principally the rtl2832 is a COFDM decoder
[14:51] <kokey> heh, I can see what kind of errors can be made with the GPS
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[14:52] <kokey> converting to coordinates wrong, I find myself in London, but 25 miles away from here
[14:52] <futurity> I was thinking that it may be useful to send one of these up to act as a relay. So that far off signals could be picked up and then retransmitted down to earth for normal decodning
[14:52] <futurity> decoding
[14:53] <jonsowman> you'd need something capable of processing the sample data from the SDR and modulating it back onto another frequency
[14:54] <jonsowman> for smallish bandwidths that should be quite easily achievable
[14:54] <kokey> thanks for the help today
[14:54] <kokey> I still have lots to do
[14:55] <kokey> e.g. I don't think I'm going to launch with everything on a breadboard
[14:55] <kokey> ;-)
[14:55] <dave-on-hols> good plan :)
[14:55] <jonsowman> probably not wise
[14:55] <dave-on-hols> You'd land with everything off the breadboard
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[14:55] <kokey> yeah won't survive the throw test
[14:56] <navrac_home> i dont know - pot it in resin?
[14:56] <kokey> I also need to order more modules, mine are all on breakout boards
[14:56] <dave-on-hols> I find they don't survive the "staying on the desk" test either
[14:56] <kokey> that's an idea
[14:56] <kokey> put it all in wax
[14:57] <navrac_home> or just carefully transfer it to veroboard
[14:58] <jonsowman> make a pcb :)
[14:59] <kokey> well, I am going to do one of two things
[14:59] <kokey> thing one, is to solder it together like daveake did
[14:59] <kokey> thing two is to just use the UKHAS conference card
[15:00] <kokey> http://twitter.com/kokey/status/257133211266732032/photo/1 <- not really flight ready
[15:01] <jonsowman> best put the radome on that GPS antenna ASAP
[15:01] <navrac_home> a roll of selotape round the board will sort that
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[15:03] <kokey> the radome kept falling off
[15:03] <jonsowman> blob of superglue :)
[15:04] <kokey> I'm on call this weekend, fortunately things are not going too badly
[15:04] <kokey> got paged at 4am this morning tho
[15:04] <dave-on-hols> Julie nearly bought me a book yesterday ... "How to fix anything with duct tape"
[15:04] <dave-on-hols> :(
[15:04] <kokey> but went back to sleep after that, so I'm ok today
[15:04] <jonsowman> dave-on-hols: I think that's just intuition
[15:04] <jonsowman> otherwise known as an Engineering degree
[15:04] <dave-on-hols> Indeed
[15:04] <dave-on-hols> lol
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[15:05] <dave-on-hols> Hence I told her not to waste her money
[15:05] <dave-on-hols> Though sometimes superglue or Araldite is needed
[15:06] <dave-on-hols> Duct tape is cheap over here. And they do it in pink. And yes I did buy some :)
[15:07] <jonsowman> where are you?
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[15:08] <dave-on-hols> Near Mt Lassen in Ca
[15:08] <dave-on-hols> lifornia
[15:08] <dave-on-hols> Driving down to Lake Tahoe today
[15:08] <dave-on-hols> then Yosemite tomorrow for 3 nights
[15:08] <jonsowman> very nice
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[15:09] <dave-on-hols> Californian coast was great
[15:13] <jonsowman> i bet
[15:13] <number10> take a walk up to the nevada falls while you are there dave-on-hols
[15:15] <dave-on-hols> ta
[15:15] <dave-on-hols> Typical Californian sunset :p - https://sphotos-b.xx.fbcdn.net/hphotos-snc6/251387_10151091992612654_845712109_n.jpg
[15:16] <number10> nice
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[15:17] <number10> thats about the only nice thing LA is the sunsets
[15:17] <number10> are
[15:17] <dave-on-hols> That was from Morro Dunes, about halfway up to SF
[15:18] <dave-on-hols> Another https://sphotos-b.xx.fbcdn.net/hphotos-snc6/185142_10151092744537654_298942981_n.jpg
[15:18] <number10> cant remember your rout - did you go to monterey?
[15:19] <number10> nice pic dave-on-hols
[15:19] <dave-on-hols> Yes
[15:19] <dave-on-hols> Stayed in Carmel Valley
[15:20] <dave-on-hols> Did the 17-mile-drive
[15:20] <number10> thats nice
[15:21] <number10> I took a picture of myself there next to a police car - put my hand spread out on the nonnet as if about to be frisked - the copper laughed
[15:21] <number10> bonnet
[15:22] <number10> probably thought crazy englishman
[15:22] <dave-on-hols> lol
[15:23] <dave-on-hols> Surprised you didn't get arrested
[15:23] <dave-on-hols> And you mean "hood" I think :)
[15:23] <number10> lol yes I suppose so
[15:23] <dave-on-hols> fewer letters = more chance of success
[15:24] <number10> :)
[15:26] <fsphil> hullo daves
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[15:30] <dave-on-hols> 'ello
[15:30] <dave-on-hols> Lots of planned flights I see, but still none by you?
[15:31] <fsphil> I've pretty much given up on launching for 2012
[15:31] <fsphil> except maybe that pico
[15:34] <dave-on-hols> I have a deflating pico at home
[15:35] <dave-on-hols> Was hoping for a chance to launch before I left
[15:35] <dave-on-hols> Filled it up before the cylinders had to go back
[15:35] <dave-on-hols> I've got a proper launch or 3 when I get back
[15:37] <dave-on-hols> afk back in 10
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[15:46] <Laurenceb_> linux toilet
[15:46] <Laurenceb_> http://www.afro-squad.com/blog/wp-content/plugins/rss-poster/cache/0ebdf_a98181_t12.jpg
[15:46] <Laurenceb_> mac toilet
[15:46] <Laurenceb_> http://www.afro-squad.com/blog/wp-content/plugins/rss-poster/cache/18405_a98181_T15.jpg
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[16:02] Action: SpeedEvil bemoans the lack of proper creosote
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[16:06] <Lunar_Lander> hello cuddykid
[16:11] <cuddykid> hiya Lunar_Lander
[16:11] <cuddykid> hi all
[16:11] <cuddykid> back home now
[16:11] <Lunar_Lander> yea
[16:11] <cuddykid> managed to get the bastard out the tree!
[16:11] <Lunar_Lander> yay
[16:11] <Lunar_Lander> how did you do it?
[16:11] <cuddykid> good footage :)
[16:11] <cuddykid> despite early burst
[16:11] <cuddykid> parachute remains in tree
[16:11] <cuddykid> interesting to see practically ALL of the balloon in the tree - looks like the top had just popped or something
[16:12] <cuddykid> extremely poor quality
[16:12] <cuddykid> Lunar_Lander: stones and huge branches :D
[16:12] <cuddykid> turns out the guy I was doing it with basically created Angry Birds...
[16:13] <Lunar_Lander> XD
[16:13] <cuddykid> still can't believe it :P
[16:13] <cuddykid> http://www.prweb.com/releases/2011/7/prweb8669501.htm
[16:13] <cuddykid> he was showing me 'castle clout'
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[16:18] <cuddykid> thanks everyone for tracking - once again doing a superb job
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[16:20] <fsphil> good work getting that back cuddykid
[16:21] <cuddykid> thanks fsphil - was a hard job
[16:21] <cuddykid> my first tree landing :)
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[16:26] <SpeedEvil> cuddykid: I've been investigating aerodynamics in 'bad piggies' - fun, but has a degree of interface screw,
[16:27] <cuddykid> ah cool!
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[16:32] <cuddykid> hi jcoxon - thanks for your tracking today :)
[16:33] <jcoxon> i didn't track!
[16:33] <jcoxon> i've been asleep
[16:33] <cuddykid> oh!
[16:34] <cuddykid> ahh
[16:34] <SpeedEvil> sleep is good
[16:34] <cuddykid> must have been junderwood :)
[16:34] <cuddykid> I assumed the call sign something like M6JCU was you jcoxon :)
[16:34] <jcoxon> i'm M6JCX
[16:35] <eroomde> Darkside: gps board works
[16:35] <eroomde> despite the microstrip
[16:35] <eroomde> it maketh the bits
[16:35] <moriarty> eroomde, shame about the scuppering of BAE-EADS tie-up
[16:35] <eroomde> JCU is underwood yep
[16:36] <eroomde> moriarty: shame for who?
[16:36] <moriarty> haha good point
[16:37] <cuddykid> one of the go pros took a bit of a scratch to the lens from rocks being hurled at it
[16:37] <cuddykid> lol
[16:38] <cuddykid> gopros captured a flying rock taking the head of this plastic mascot clean off - quite cool :D
[16:39] <Lunar_Lander> hey jcoxon , can you please say again when I should try to be on standby for Eurus 3?
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[16:53] <jcoxon> Lunar_Lander, perhaps 20 Oct
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[17:04] <Lunar_Lander> thanks jcoxon
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[17:09] <number10> how was recovery RocketBoy ?
[17:20] <RocketBoy> hey
[17:20] <RocketBoy> Its was fine in the end
[17:20] <RocketBoy> the 1st payload was picked up by a farmer
[17:21] <RocketBoy> but ww had just got there and got the signal from his car and followed it
[17:21] <number10> great
[17:21] <number10> that was lucky
[17:22] <RocketBoy> the 2nd was an easy recovery thanks to your guys help
[17:22] <RocketBoy> tracking 2 payloads with different shift is a real pain
[17:23] <RocketBoy> both payloads landed within a couple of miles of each other
[17:23] <number10> I bet it was - I used two radios managed to get top tracker for both payloads - but thats at home and not mobile!
[17:24] <number10> not ny any means of skill btw just fortunate location where I live!
[17:24] <number10> by
[17:25] <navrac_home> drat - beat me by 4 packets
[17:25] <number10> lol
[17:26] <navrac_home> I could have tracked both - but sadly my hangover was too bad for me to get th e second radio running
[17:26] <number10> its not good enough navrac_home ;)
[17:27] <navrac_home> well im not drinking tonight so I'll be sober if anyone wants to launch two tomorrow
[17:30] <number10> any reason for the different shift on the LMT2 RocketBoy ?
[17:30] <navrac_home> sadly my brain is now so fuddled I cant do the maths for working out the number of foil balloons to hang under a normal latex to act as a sky anchor
[17:31] <RocketBoy> not really - I just need a bigger resistor
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[17:31] <RocketBoy> nice and stable though
[17:31] <RocketBoy> didn't have to retune once
[17:31] <navrac_home> very stable - made it a bit too easy though
[17:32] <RocketBoy> :-)
[17:32] <jonsowman> yeah it was very stable
[17:33] <jonsowman> though I wasn't really watching and rig control might have been doing something
[17:33] <navrac_home> well i managed to make a bacon sandwich and get ah hours sleep while tracking, reduced the skill required
[17:33] <navrac_home> i had no rig control
[17:34] <navrac_home> and if it as anything like the last flight, the autotune on fldigi didnt seem to move either
[17:34] <navrac_home> was/
[17:34] <cuddykid> knew there was something dodgy going on with the pawan at launch - was filthy on the outside!
[17:34] <cuddykid> also wasn't coated in the talc that usual Hwoyee's are coated in
[17:34] <navrac_home> not a good sign
[17:35] <cuddykid> I won't be using one in a hurry again
[17:35] <cuddykid> fortunately - it just got high enough to get the footage the guy was after
[17:36] <navrac_home> and you got the gopros back
[17:36] <cuddykid> yep
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[17:36] <cuddykid> just
[17:36] <navrac_home> looked a tall tree from the pic
[17:37] <cuddykid> descended through a rain cloud - some good footage of that
[17:37] <cuddykid> yep, tallest around
[17:37] <cuddykid> v lucky to get it back
[17:37] <navrac_home> how did you get it down?
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[17:38] <john____> helli
[17:38] <john____> hello
[17:39] <LazyLeopard> All payloads recovered today?
[17:39] <jonsowman> yep
[17:39] <LazyLeopard> Good. :)
[17:39] <navrac_home> helloo john____
[17:40] <john____> hi, i have no clue on high altitude ballooning and wanteded some tips to get started
[17:40] <john____> especially on radio tx
[17:41] <navrac_home> biggest tip is to resad the ukhas wiki - loads of stuff on there - some bits harder to find than others, but just about everything is there
[17:41] <navrac_home> radio tx are mainly 434mhz units with an arduino or pic and a simple gps
[17:42] <navrac_home> look at the ntx2 or rfmm22b modules they are the most commonly used
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[17:43] <john____> yh i was going to use the ntx2 with an arduino for my payload, and yeasu and yagi to follow the balloon with my laptop
[17:44] <navrac_home> sounds about right
[17:44] <john____> i want to send remote video through the transmitter ideally gopro hd
[17:44] <navrac_home> ah, try no chance
[17:45] <navrac_home> you might be lucky using an fpv system and a very big dish
[17:45] <navrac_home> but the datarate of the ntx2 isnt even up to pictures, never mind video
[17:46] <john____> i see
[17:46] <john____> so how i need to record using an data logging card then access during recovery
[17:47] <navrac_home> yep just record on the gopro and recover it
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[17:48] <john____> can the ntx2 send temp and pressure data using the arduino
[17:49] <navrac_home> yep, easy enough to attach pressure and temp sensors
[17:49] <Lunar_Lander> hello RocketBoy
[17:50] <Lunar_Lander> what do you think about Pawan balloons considering cuddykid's experience?
[17:51] <navrac_home> bmp085 for pressure dsb1820s for temperature are the most common
[17:52] <RocketBoy> Well - I wouldn't go on the results of 1 balloon - but it didn't look good
[17:52] <john____> ok, i live in london and seems ridiculous to launch in, should i choose to launch in a flat landed area, and what about the spontaneous weather in the UK (i.e. rain and wind)
[17:54] <Lunar_Lander> definately try to keep away from the city
[17:55] <cuddykid> the build quality of the balloon just seemed poor
[17:56] <navrac_home> there is a tracker that we use to predict where a balloon will go on a given date and that plus the weather forecast gives enough info to select when to launch
[17:56] <cuddykid> like the neck of the balloon was only a little bit thicker than the main bit of balloon
[17:56] <Lunar_Lander> oh!
[17:56] <navrac_home> but largely avoid rain, wind and never launch where here are trees as they attract balloons
[17:57] <cuddykid> trees = a HABers worst nightmare :P
[17:57] <cuddykid> as I found out today!
[17:57] <navrac_home> cuddykid - at least it had been up before it met the tree
[17:58] <cuddykid> yep
[17:58] <john____> thanks, you've all been great help.
[17:58] <navrac_home> np
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[17:58] <cuddykid> navrac_home: I've had a couple of v close near misses at launch before
[17:59] <navrac_home> me too
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[18:00] <navrac_home> its quite painfull when youve spent days making the balloon to see it rip
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[18:04] <john____> Also uk gps ofcom regulations and product regs, can i use UBLOX 6, can i use it solely or do i need a breakout board and tracker with it,
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[18:05] <SP9UOB> hi all
[18:05] <navrac_home> well you can just buy a ublox, but its easier to buy a breakout board to connect it to the arduino
[18:12] <john____> can i see the gps info remotely on my laptop using the ntx2, or data rate is too minimal
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[18:18] <navrac_home> a typical message sent twice a minute is name,packet number, time, lat, long,height, temp,pressure,battery voltage
[18:23] <DrLuke> I should totally create an easy to use function for arduinos and avrs which returns an ever incrementing integer (incremented on each call), that saves itself into the EEPROM
[18:23] <DrLuke> so even with power failure, you retain your value
[18:24] <navrac_home> yep, ive been meaning to get round to that - so yes please
[18:25] <jcoxon> interestingly its helpful not to have that
[18:25] <jcoxon> as you can detect resets
[18:26] <navrac_home> but if it resets in flight it dissapears off spacenear.us
[18:26] <RG-lz1dev> you can have it read the eeprom and compare it to global variable
[18:26] <RG-lz1dev> if <> reset detected :)
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[18:26] <jcoxon> navrac_home, does it?
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[18:26] Nick change: earthshine_ -> earthshine
[18:26] <jcoxon> not sure its meant to
[18:26] <navrac_home> although it would probably be better to sort out spacenear
[18:27] <navrac_home> its done it to me before and ive seen it happen when other people havent cleared off test data
[18:27] <RG-lz1dev> packet id is used to handle duplicates i suppose
[18:27] <RG-lz1dev> so you dont get updates out of order
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[18:31] <john____> what antenna should i link with my ntx2 and should i use yeagu with yagi and laptop to receive data,
[18:33] <navrac_home> a quater wave with 4 groundplane radials for tx - and its easier to use a colinear for receiving ass you dont have to point it. the signals are pretty strong
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[18:35] <RG-lz1dev> is the groundplane better compared to a bazooka?
[18:38] <kristianpaul> any better rc simulator tha crrcsim?
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[18:44] <john____> could i also know for the construction of the payload which i should take more time in doing (i.e. testing tx,) which part should i not undermine, and if i start developing next month, how long would it take me.
[18:45] <navrac_home> testing your code is the most important
[18:45] <costyn> navrac_home: i measured the tx-ant and rx-ant with multimeter, tx-ant is at 3.3v so swapping the values works, it something else in my code which is wonky
[18:46] <costyn> (and rx-ant) is 0v
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[18:46] <navrac_home> do a quick search on pastebin for ozzie2 have a look what i used - its pretty simple
[18:48] <costyn> navrac_home: thx
[18:48] <navrac_home> pretty much on that one i initialised it, set the power and the rx and tx ant bits then set frequency and toggled the frequency adjust regulator
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[18:52] <costyn> navrac_home: radio1.setFrequency(434.180); <-- what freq will that result in? you comment that it's compensated?
[18:53] <navrac_home> ah thats because i had changed the programmable series capacitor register - probably 434.2
[18:53] <costyn> ok
[18:54] <navrac_home> i was trying different values for the register as it seemed to drift less on start up with a higher cap value - but it wasnt that much of an improvement
[18:54] <costyn> softserial for gps works ok?
[18:55] <navrac_home> does for me as long as you increase the buffer length in the library to more than 64. Others have had problems but it was fine for me
[18:57] <costyn> got a carrier now at 434.170
[18:58] <costyn> hmph
[18:58] <costyn> not as it turns out
[18:58] <costyn> just turned off the rfm, still a beep
[18:59] <costyn> it should just work without antenna on both rfm and 817 right?
[18:59] <john____> is the only legal restriction that i have to follow frequency range, or is there GPS regulations that i have to follow
[19:01] <navrac_home> oh yes - no problem working without an antenna
[19:01] <navrac_home> it should also still work with the rx/tx switching too
[19:01] <navrac_home> as jcoxon launched without those lines and still got a couple of miles before loosingsignal
[19:02] <costyn> heh ok
[19:02] <costyn> http://pastebin.com/v9kKmxpx <-- my test code
[19:03] <Upu> evening
[19:03] <Upu> cheers costyn for the heads up
[19:03] <Upu> how did your test go ?
[19:03] <costyn> Upu: no worries; well changing the values works, I measure 3.3v on the tx-ant and 0v on the rx-ant pins now, but i'm having trouble getting any signal out of the rfm
[19:04] <Upu> ok
[19:04] <Upu> you know 2 of the pins are labelled incorrectly ?
[19:04] <navrac_home> remove the 'radio1.write(0x09,0x60); //tweak programmable crystal capacitor value down' line and set the freq to 434.2
[19:04] <costyn> yes I was the one that pointed that out to you :)
[19:04] <Upu> no
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[19:04] <Upu> the SDI / SDO are mislabelled
[19:05] <Upu> I'd already pulled the remaining boards from sale
[19:05] <Upu> and have some new ones on order
[19:05] <Upu> made a bit of a cock up on the board tbh
[19:05] <costyn> :)
[19:05] <Upu> I'll send you a new onw foc
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[19:05] <Upu> one
[19:05] <navrac_home> welcome back upu - good holiday?
[19:05] <costyn> Upu: I beeped out the pins yesterday so I think it should be correct now
[19:06] <Upu> yes lovely thanks navrac very relaxing
[19:06] <Upu> feel quite chilled now
[19:06] <Upu> literally its bloody freezing here
[19:06] <costyn> Upu: no don't worry about sending me any. I think I'll use the pads on the side of the rfm in the future
[19:06] <Upu> thx for helping costyn work out the issue with the board
[19:06] <costyn> Upu: and yes, welcome back
[19:07] <navrac_home> yep certsinly is - got the fire going and curled up trying to get over an all day hangover
[19:07] <Upu> all day hangover ?
[19:07] <costyn> Upu: got your GPS back. Havent really had the chance to test it outside, been raining a lot here
[19:07] <Upu> did you say you have a second one that was faulty ?
[19:08] <navrac_home> yeah well at my age if you dring a wine box+2 pints and are still up at 3:30 am - it doesnt tend to go away so fast as it did
[19:08] <Upu> As you'll note my packaging is better these days
[19:08] <costyn> Upu: yea I'll send it to you in a bit
[19:08] <Upu> ah yes navrac_home
[19:08] <Upu> well we went to a winery for a tasting
[19:08] <costyn> Upu: I liked the plastic jewelry box you sent me initially :)
[19:08] <navrac_home> i hope you swallowed
[19:08] <Upu> had an early night that day...
[19:08] <costyn> but I imagine these cardboard boxes are cheaper
[19:09] <Upu> yes the cardboard ones are 39p each
[19:09] <Upu> I bought 500 :)
[19:09] <costyn> :)
[19:09] <Upu> anyway going to get that RFM22B board sorted and documented before I sell any more
[19:09] <Upu> sorry about the messing about
[19:10] <Upu> its a crap design anyway
[19:10] <costyn> no worries, it's been educational :)
[19:10] <navrac_home> are you making it smaller or is there room to fit a little chip snd a crystal and a couple of caps and resistors?
[19:10] <Upu> "There is a labelling error on the PCB the pin marked SDI is connected to SDO, the pin marked SDL is actually SDI"
[19:10] <costyn> got to reading the rfm datasheets and became friends with navrac :)
[19:10] <Upu> double bonus
[19:10] <Upu> navrac_home I'm going to make you a custom one
[19:11] <Upu> but the new one looks like.. give me 2 mins
[19:12] <Upu> http://i.imgur.com/HwxQ9.png
[19:12] <Upu> and some instructions for the jumpers on the back
[19:12] <navrac_home> ive got a 1.8v compatible , only 1mA extra domino compatible circuit worked out - after all the other experiments took too much current or were 3v3 only
[19:12] <Lunar_Lander> hello Upu
[19:12] <Upu> evening Lunar
[19:12] <Lunar_Lander> how were your holidays?
[19:13] <Upu> very good thanks
[19:13] <Upu> nice and warm
[19:13] <Upu> ok well let me have the circuit diagram and i'll make a custom PCB for it
[19:13] <navrac_home> thats nice upu
[19:14] <navrac_home> next time you do another batch of gps's any chance of breaking out the timepulse pin - its a b*strd to solder direct to the chip!
[19:14] <costyn> navrac_home: just beeped out the pins again, looks like I swapped my SDI/SDO
[19:14] <Upu> the chip antenna board ?
[19:15] <Upu> the Sarantel 3.3V board has TP broken out
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[19:15] <Upu> chip antenna doesn't
[19:16] <navrac_home> - i think if you are playing very low power mode you need the better antenna so it gets lock quicker and takes less current
[19:16] <navrac_home> oh i didnt know that
[19:16] <navrac_home> ive only got chip boardshere
[19:17] <Upu> yeah the 3.3V board has it broken out
[19:17] <navrac_home> ill stick that on my shopping list when i get paid for my last job
[19:17] <Lunar_Lander> Upu, that's nice to hear and nice to see you are back
[19:17] <Upu> I'll show you some pics when I upload them Lunar
[19:18] <Upu> but basically this was the view from the end of my bed for last week : http://i.imgur.com/KD1II.jpg
[19:19] <navrac_home> oh poor you - i bet you couldnt sleep with all the noise from the wires clinking on the masts :-)
[19:20] <Upu> didn't mind it tbh :)
[19:20] <navrac_home> drat...
[19:20] <Upu> also after hiking 10 miles in the Crecian hills I could sleep through anything
[19:20] <navrac_home> i find it quite a relaxing noise
[19:21] <navrac_home> i'd have stayed in bed all week
[19:21] <Upu> well we got this lovely hotel room suite which we did spend alot more time in that normal, as the balcony overlooked that lovely harbour so we sat with a beer and watched the world go by
[19:21] <Upu> but the Samara Gorge was amazing
[19:23] <navrac_home> jealous..
[19:24] <Upu> still as pale as when I left
[19:24] <Upu> Factor 50 ftw
[19:24] <Lunar_Lander> XD
[19:24] <Lunar_Lander> SCIENCE!
[19:24] <SP9UOB> hi Lunar_Lander :-)
[19:24] <Upu> And I got mistaken for being German
[19:24] <Upu> can you imagine Lunar_Lander
[19:24] <Lunar_Lander> hello SP9UOB
[19:24] <Lunar_Lander> XD what happened?
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[19:26] <Upu> he just started talking German to me
[19:26] <Lunar_Lander> oh ok
[19:26] <Lunar_Lander> did you understand him?
[19:26] <navrac_home> maybe you had a rectangular smudge on the suite window?
[19:27] <Upu> I knew he was speaking German
[19:27] <Lunar_Lander> ah
[19:27] <Upu> he was just trying to get me in his restaurant
[19:27] <Lunar_Lander> ah
[19:27] <SP9UOB> I can speak german to: Jawohl volkswagen ;-)
[19:27] <Lunar_Lander> where was that again?
[19:27] <Lunar_Lander> lol
[19:27] <Upu> Chania in Crete
[19:27] <Upu> lots of Germans there
[19:28] <Upu> afk a few
[19:28] <Lunar_Lander> ah
[19:28] <costyn> WE GET SIGNAL (sorry)
[19:28] <Lunar_Lander> costyn, that sounds good
[19:28] <costyn> Lunar_Lander: yes, been mucking about with the rfm for a bit, now I hear rtty on my receiver
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[19:29] <Lunar_Lander> :) yay
[19:29] <costyn> indeed
[19:31] <costyn> funny how anything metal wil become an antenna
[19:31] <costyn> if you get it near the antenna pin
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[19:31] <Lunar_Lander> xD yeah and even yourself
[19:31] <costyn> yea indeed
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[19:32] <Lunar_Lander> the crappy thing if you got bad radio reception and have to stand next to the radio for the disturbances to go away
[19:32] <costyn> hehee
[19:32] <costyn> navrac_home / Upu : so yea, problem solved. thanks for your help guys
[19:33] <navrac_home> oh thats good costyn
[19:33] <costyn> navrac_home: with the radio1.write(0x073, 0x02);
[19:33] <Upu> good
[19:33] <costyn> and radio1.write(0x073, 0x00); what kind of shift does that produce?
[19:33] <costyn> in the rtty_txbit function?
[19:33] <navrac_home> 2x156hz
[19:34] <navrac_home> register 73 is the least significant byte of the tuning reg
[19:34] <costyn> ah 156 is the smallest freq difference correct?
[19:34] <costyn> ah clever. thanks
[19:34] <costyn> and 8db equates to about 10mW?
[19:35] <Upu> less
[19:35] <navrac_home> no 10dbm is 10mw
[19:35] <Upu> 11db = 12.5mW I think
[19:35] <costyn> ah
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[19:35] <navrac_home> so 8 would be half of that 6mW ish
[19:36] <Lunar_Lander> Upu, I think sparkfun's latest product update is interesting
[19:36] <Upu> the dog poo stickers ?
[19:36] <Lunar_Lander> but that solid state datalogger is a bit strange, I think that company made them specifically for their water sensors
[19:36] <costyn> navrac_home: thanks
[19:36] <SP9UOB> navrac_home, Upu : http://www.rfcafe.com/references/electrical/pwr2volts.htm
[19:36] <Lunar_Lander> Upu, I didn't see those
[19:36] <Upu> the maths!
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[19:37] <Upu> I've been reading Carl Sagans Cosmos this week so I'm all science
[19:37] <Lunar_Lander> COOL
[19:37] <Upu> interesting how they are talking about funding for a Mars Rover in it
[19:38] <navrac_home> I use http://wireless.navigator.co.uk/useful_tools.htm
[19:38] <navrac_home> mainly cos i wrote it about 8 years ago
[19:38] <Lunar_Lander> yea
[19:40] <costyn> navrac_home: according to this: http://www.open.com.au/mikem/arduino/RF22/RF22_8h_source.html 0x04 is 11Dbm not 8 (as stated in your comments)
[19:41] <Lunar_Lander> Upu, but the HIH-6130 Temperature/Humdity module looks cool
[19:41] <Upu> radio1.write(0x6D, 0x04);// turn tx low power 11db
[19:41] <Lunar_Lander> a sensor working with the Wire library and has a voltage supply range of 2.3-5 V
[19:41] <Upu> would concur
[19:41] <Upu> I've never been that bothered about temp and humidity tbh Lunar
[19:42] <Upu> they aren't desperately accurate up there anyway
[19:42] <Upu> not the throw away ones we use anyway
[19:42] <navrac_home> probably - dont trust the comments - i just change variables as i see fit , updating comments? nah
[19:42] <Lunar_Lander> yea
[19:42] <Lunar_Lander> but I wanna do Science!
[19:43] <Lunar_Lander> XD
[19:44] <Upu> http://pastebin.com/UqMshSia
[19:45] <Upu> I liked the comparison of the Vaisala Sonde vs DS18B20 very telling/interesting
[19:45] <Lunar_Lander> the one done by Radim?
[19:45] <Upu> yes
[19:45] <Upu> actual temperatures were significantly colder
[19:45] <Upu> than reported by the DS18B20's but I don't know how they were packaged/exposed etc
[19:46] <costyn> i found it interesting that the ds18b20 doesn't recover when it warms up again after it's been to it's coldest temperature
[19:46] <Lunar_Lander> it has hysteresis?
[19:47] <navrac_home> i think it just sucks
[19:47] <navrac_home> sorry not very scientific
[19:48] <Lunar_Lander> hm
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[19:48] <costyn> navrac_home: well after Radim's flight I gotta agree with you, not very sciency
[19:49] <costyn> although now that we konw what it does, we can fix it in software ;)
[19:49] <navrac_home> well to be honest i can look at a graph and see how cold it is at what altitude roughly
[19:49] <Upu> exactly
[19:50] <Upu> and same with pressure
[19:50] <Upu> so why bother :/
[19:50] <Lunar_Lander> SCIENCE!
[19:50] <navrac_home> its only worth it for seeing how your insulation is holding up
[19:52] <Upu> here you go Lunar_Lander have some science
[19:52] <Upu> http://www.youtube.com/watch?v=VIVIegSt81k&feature=g-all-u
[19:53] <costyn> I keep grinning when I see 'wut' in the RF22 library; we use 'wut' a lot at work when we are confused about something
[19:54] <Lunar_Lander> Upu, COOL
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[19:54] <Upu> evening Dan
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[19:56] <costyn> very cool!!
[19:57] <Lunar_Lander> hello Dan-K2VOL
[19:58] <costyn> so wait did this girl invent them?
[19:58] <Upu> no
[19:58] <Upu> watch part 2
[19:58] <Upu> Richard Feynman
[19:58] <Upu> ends in Feynman Diagrams...
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[19:59] <costyn> I really like this girls style of videos
[19:59] <costyn> was watching a video of her doing some math oddities earlier today
[20:00] <navrac_home> did the math oddities enjoy it?
[20:00] <navrac_home> oh wrong sort of video
[20:01] <Lunar_Lander> xD Feynman
[20:02] <Upu> congrats on the flight today cuddykid
[20:03] <Upu> recovered it ?
[20:03] <Lunar_Lander> XD the arms with the name signs
[20:03] <Upu> holy moley SP9UOB have you seen how many receivers in Poland you have now
[20:03] <Upu> shame you weren't around when Apex Alpha came over
[20:04] Action: costyn is inspired by hexaflexagons
[20:04] <Upu> SP8CGR would have been amazingly useful
[20:04] <costyn> navrac_home: XD
[20:04] <Upu> yes nice videos
[20:04] <SP9UOB> Upu: there are waiting for my 28 MHz experiment :-)
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[20:04] <Upu> excellent :)
[20:04] <Upu> when is that happening ?
[20:05] <SP9UOB> Saturday 20.oct
[20:05] <SP9UOB> 10 utc
[20:05] <Upu> ok cool
[20:05] <costyn> wow... yes, those would've been useful
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[20:05] <SP9UOB> upu: this is test flight before launch zero-bressure ballon into etstream
[20:05] <SP9UOB> jetstream
[20:06] <Upu> oh ok zp balloon ?
[20:06] <Upu> how long is that planned to be up ?
[20:06] <SP9UOB> Upu: yes - zp floater - maybe in february
[20:07] <Upu> whats the power source ?
[20:07] <SP9UOB> Upu: not this time - this time is to test transmiter range
[20:07] <SP9UOB> Upu: on saturday it be 1000g hwoyee
[20:07] <Upu> no I mean on the floater, just batteries or are you planning on using solar ?
[20:08] <SP9UOB> Upu: solar + akku
[20:08] <Upu> when you say "jet stream" what altitude are you thinking of ?
[20:08] <cuddykid> Hey Upu - thanks, was an odd day - launch went brilliant (best ever), stupid Pawan balloon burst at 23km (expected 32ish), landed in a massive tree - managed to retrieve the payload though :) chute and balloon in tree still
[20:08] <SP9UOB> and energizer lithium as backup power source
[20:08] <SP9UOB> about 27 km
[20:08] <Upu> interesting comment on the Pawan
[20:09] <cuddykid> Upu: basically the whole balloon was in tact in the tree (looked like it had popped from the top) - very poor quality I think, was filthy out of the box too
[20:09] <Upu> get it from Balloon News Chris ?
[20:09] <cuddykid> yep
[20:09] <cuddykid> plus - loaded with the most horrific flu
[20:09] <Upu> won't help
[20:09] <cuddykid> g2g - I'll chat later :) hope you had a good hol!
[20:09] <Upu> ok cheers
[20:09] <Upu> SP9UOB how much weight budget do you have left ?
[20:09] <Upu> i.e have you space for 100g of extra payload ?
[20:10] <SP9UOB> Upu: 100g ? I think it fit
[20:10] <Upu> ok
[20:11] <Lunar_Lander> HEXAFLEXAGON
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[20:20] <costyn> Upu: what do you have in mind?
[20:20] <costyn> Lunar_Lander: :D
[20:20] <Lunar_Lander> xD
[20:20] <costyn> whoops... dl-fldigi just crashed on me... Randomskk do you want a crashlog?
[20:21] <SP9UOB> https://www.youtube.com/watch?feature=player_embedded&v=goxFboZxsYg look at 4:00
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[20:25] <Upu> many things costyn
[20:25] <Upu> getting ideas
[20:26] <fsphil> launch in a warm country is a good idea
[20:26] <Lunar_Lander> hello Dan-K2VOL
[20:26] Action: Upu pokes Lunar
[20:26] <Dan-K2VOL> Hello Lunar
[20:26] <Dan-K2VOL> all
[20:26] <Dan-K2VOL> hey Upu
[20:26] <Upu> evening Dan
[20:26] <Lunar_Lander> fsphil, well when I didn't know about insurance options, I considered launching in Morocco
[20:26] <Upu> back in the US ?
[20:26] <Lunar_Lander> Upu, why?
[20:27] <Dan-K2VOL> no, still in paris
[20:27] <Upu> saying peoples names :)
[20:27] <Lunar_Lander> fsphil, but that consideration was only for a day xD
[20:27] <Dan-K2VOL> extending my visit yet again
[20:27] <Lunar_Lander> Upu, well I wanted to greet him
[20:27] <Upu> I know :)
[20:27] <costyn> Dan-K2VOL: sorry I wasn't able to catch up with you in Amsterdam
[20:27] <Upu> alot of information there Dan-K2VOL ?
[20:27] <Dan-K2VOL> that's ok costyn, I hope I'll be in europe more often in the future :-)
[20:27] <Dan-K2VOL> Yes, quite!
[20:27] <costyn> Dan-K2VOL: cool :)
[20:28] <fsphil> SP9UOB: you in this video?
[20:28] <Dan-K2VOL> not what I was looking for, but reams of original balloon documents from the 1960s
[20:28] <Upu> learnt to speak French yet ?
[20:28] <Dan-K2VOL> oh yes, I know how to say balloon, altitude, superpressure, and even helium!
[20:28] <Upu> lol
[20:28] <Upu> French being helpful ?
[20:28] <Lunar_Lander> cool!
[20:28] <Dan-K2VOL> Most of them
[20:28] <fsphil> you can already speak more french than me then :)
[20:29] <LazyLeopard> any attempts I make to speak in foreign usually come out as terrible swahili...
[20:29] <Dan-K2VOL> the Laboratoire Métérologique Dynamique (LMD) in Paris gets my utmost debt for giving me COMPLETE run of their archive for a week
[20:29] <costyn> LazyLeopard: haha
[20:30] <SP9UOB> fsphil: yes
[20:30] <Dan-K2VOL> so nice people there
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[20:30] <Dan-K2VOL> they had the letters and plans for all the superpressure EOLE and EOLE preparation missions
[20:30] <SP9UOB> fsphil: im filling zero-pressure ballon - im in grey jacket (North Face brand)
[20:31] <Dan-K2VOL> ooh zero pressure?
[20:31] <fsphil> just at that bit now SP9UOB
[20:31] <Upu> made with sticky tape Dan-K2VOL :)
[20:31] <Dan-K2VOL> hey it works! (sometimes :-P)
[20:31] <Upu> https://www.youtube.com/watch?feature=player_embedded&v=goxFboZxsYg look at 4:00
[20:31] <fsphil> Dan-K2VOL: https://www.youtube.com/watch?v=goxFboZxsYg
[20:31] <Dan-K2VOL> thx
[20:31] <Upu> SP9UOB is probably the world expert on ZP balloons
[20:31] <Dan-K2VOL> hell there has even been a few succesful superpressure sticky tape envelopes
[20:32] <SP9UOB> 140 cubic meters
[20:32] <SP9UOB> :-)
[20:32] <Upu> having spent months in a library reading about them
[20:32] <Dan-K2VOL> oh copericus! damn I wish I had thought to meet up with you too SP9 when I was up there
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[20:32] <Lunar_Lander> Dan, you visited Poland too?
[20:33] <Dan-K2VOL> lol no, actually, I suppose I mean when I went a bit north of france
[20:33] <Lunar_Lander> ah
[20:33] <Dan-K2VOL> but my girlfriend would probably have frowned on such a long side trip :-P
[20:33] <Lunar_Lander> :)
[20:33] <Lunar_Lander> ah is she with you?
[20:33] <Dan-K2VOL> not now
[20:34] <Dan-K2VOL> zp, where is the vent?
[20:34] <Lunar_Lander> ah
[20:34] <Dan-K2VOL> SP9UOB ^
[20:34] <SP9UOB> Dan-K2VOL: on the bottom - open pipe
[20:35] <fsphil> that's a good size
[20:35] <Dan-K2VOL> diameter?
[20:35] <fsphil> what's the material?
[20:35] <Upu> moar questions!
[20:35] <Dan-K2VOL> looks like polyethylene
[20:35] <fsphil> oooh, nice ascent rate
[20:35] <fsphil> we needs answers ;)
[20:35] <SP9UOB> fsphil: PE foil
[20:35] <Upu> Poor Tomasz :)
[20:36] <fsphil> which do you prefer, toast or pancakes?
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[20:36] <fsphil> ok, no more questions :)
[20:36] <SP9UOB> ok, i'll polish my (poor) english :-)
[20:36] <fsphil> +100 HAB points
[20:36] <Upu> certainly nothing wrong with you english
[20:37] <SP9UOB> fsphil: the foil used to protect furniture during wall painting
[20:37] <Upu> unlike mine..
[20:37] <Upu> you= your
[20:37] <fsphil> I had to make some signs up in polish last week for work
[20:37] <Dan-K2VOL> SP9UOB I think film would be the more common english term
[20:37] <SP9UOB> dan: thanks
[20:38] <fsphil> 08:09, do not attempt at home. but if you do, video it
[20:38] <SP9UOB> some polish producer of advertising ballons will weld the big one for me from mylar film
[20:39] <SP9UOB> fsphil: Hydrogen is fun ;-)
[20:39] <SP9UOB> SP9UOB: aah Helium speak
[20:40] <fsphil> yes, although the H2 bit too :)
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[20:40] <Dan-K2VOL> what was the float altitude and duration?
[20:40] <fsphil> it was a handy experiment
[20:40] <SP9UOB> fsphil: look at 7:40
[20:41] <SP9UOB> Dan-K2VOL: sadly it reach about 5 km and start to descent - we think because of hydrogen leak
[20:41] <fsphil> yes, that was the handy experiment :)
[20:41] <Upu> hydrogen ?
[20:41] <Upu> was that h2 he breathed in ?
[20:41] <SP9UOB> Upu: no - helium
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[20:41] <Upu> was about to say
[20:42] <SP9UOB> at 7:40 was hydrogen test
[20:42] <Dan-K2VOL> I'm only mentioning this because it's going to be seen by others who learn from it - Artur should not ever open a tank facing him without a regulator, that's very dangerous
[20:42] <Upu> love it at the end .. Vodka!
[20:42] <SP9UOB> Dan-K2VOL: the boottle was empty (almost)
[20:43] <Dan-K2VOL> yes, however those who watch the video might try it when their tank is new :-(
[20:43] <Dan-K2VOL> might just want to put a youtube note on that to help people understand :-)
[20:43] <SP9UOB> Dan-K2VOL: good point
[20:43] <Lunar_Lander> yeah 200 bars, that's like a rocket
[20:44] <Burn_> foil = thin metal sheet. film = thin plastic sheet. foil-backed film = one bonded to the other
[20:44] <SP9UOB> is there archive of habitat data ?
[20:44] <Upu> http://habitat.habhub.org/
[20:44] <Dan-K2VOL> nice upu
[20:44] <SP9UOB> http://habitat.habhub.org/ept/ - offline
[20:45] <Upu> speak to Randomskk or DanielRichman
[20:45] <SP9UOB> there was data under SR0FLY - that ZP baloon had my RTTY tracker
[20:45] <Dan-K2VOL> nice
[20:45] <SP9UOB> so You can see how it flew
[20:45] <Dan-K2VOL> that would be great
[20:46] <Upu> its there but I think they are working on the interface
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[20:50] <Dan-K2VOL> hey upu
[20:50] <SP9UOB> anyway helium prices are rising, its time for hydrogen :-)
[20:50] <Dan-K2VOL> have you ever worked with heater control before?
[20:50] <Upu> nope
[20:50] <Dan-K2VOL> to keep batteries warm at night?
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[20:51] <Dan-K2VOL> or any temp sensors in general?
[20:51] <Upu> well just the ds18B20
[20:51] <Upu> its something I've been thinking about
[20:51] <Upu> as the Lithium Ion's need to be > -20'C to charge
[20:51] <Dan-K2VOL> yeah, even energizers need to be around 20 to really perform well
[20:52] <Dan-K2VOL> (lithium)
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[20:52] <Upu> well Saft do some cells which would be perfec
[20:52] <Upu> perfect
[20:52] <Upu> discharge down to -50
[20:52] <Upu> charge down to -20'
[20:52] <Upu> only issue is they won't sell them to the public
[20:52] <Dan-K2VOL> yeah but at what rate will they discharge? that's usually almost nothing at their lowest rated temp
[20:52] <Upu> they are pretty good
[20:53] <Dan-K2VOL> nice
[20:53] <Upu> they are designed for LEO satellites
[20:53] <navrac_home> i found a similar cell that can be charged at -20
[20:53] <Upu> Now
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[20:53] <Upu> there are many Lithium Ion cells on deal extreme
[20:53] <Dan-K2VOL> nice
[20:53] <navrac_home> which you can buy as it was sold as a laptop battery
[20:54] <Upu> which we think can charge down to -20
[20:54] <Upu> but getting spec sheets from the chinese is hard
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[20:55] <Lunar_Lander> yeah but people on ebay sell SAFT batteries
[20:55] <Upu> not these
[20:55] <Laurenceb_> does it actually get that cold?
[20:56] <Upu> Well depends on the altitude you float at Laurenceb
[20:56] <Laurenceb_> surely the main thing we have found is that payload interior is pretty toasty
[20:56] <Laurenceb_> oh float
[20:56] <Upu> which is my point, at higher altitudes you could get away with the cheaper ones
[20:56] <Laurenceb_> ok yeah it get _very_ cold at night
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[20:56] Nick change: grumbleist_ -> grumbleist
[20:56] <Laurenceb_> float seems to be a different matter completely
[20:56] <Laurenceb_> due to lack of solar
[20:56] <Upu> well yes you don't need secondary cells for a normal flight
[20:56] <Laurenceb_> night floaters with temp sensors have seen some serious dropoff iirc
[20:57] <Dan-K2VOL> yeah, at night you'll get to 60 if you don't have insulation
[20:57] <Upu> yep
[20:57] <Dan-K2VOL> C
[20:57] <Dan-K2VOL> we really just need a little thermostat board
[20:58] <Laurenceb_> sounds about right
[20:59] <Upu> trouble is
[20:59] <Upu> the Lithium Ions need alot of current to charge them
[21:00] <Upu> in the end I think I decided screw running at night and just use solar
[21:02] <SP9UOB> upu: i use this: http://allegro.pl/ogniwo-sloneczne-ja-solar-a-4-54-w-najmocniejsze-i2700968402.html
[21:02] <Upu> interesting thanks
[21:03] <Upu> how much does that weigh ?
[21:03] <SP9UOB> upu: moment, i go to weigh one
[21:05] <SP9UOB> 12grams each one
[21:05] <Upu> anyway my winter project is design a payload with possibly heating, don't know yet
[21:05] <Upu> so not bad SP9UOB
[21:06] <Upu> I'm going to do a ultra light one, with some of the film cells and the 1.8v board
[21:06] <SP9UOB> Upu: is LARGE - 156 x 156 cm
[21:06] <SP9UOB> Upu: is LARGE - 156 x 156 mm :-)
[21:06] <Upu> 1.5meters is large
[21:07] <Upu> with film cells and my 1.8v board could be a 10g payload
[21:07] <Upu> will probably be more
[21:07] <SP9UOB> Upu: amazing :-)
[21:07] <Upu> I'll have to make the supports also be the radials or somethign
[21:07] <Upu> another project
[21:08] <Upu> anyway back to earth, dog needs a walk
[21:08] <Upu> bbs
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[21:11] <Dan-K2VOL> ttyl
[21:11] <SP9UOB> sarah brightman european tour dreamchaser
[21:11] <SP9UOB> oops
[21:12] <SP9UOB> wrong window, sorry
[21:12] <SP9UOB> :-)
[21:12] <x-f> she's the next space tourist!
[21:12] <SP9UOB> x-f: i love her voice.
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[21:23] <Dan-K2VOL> upu have you worked with I2C much?
[21:25] <Upu> not at all really
[21:25] <fsphil> i dabled with it for the bmp085, not enough to like or hate it :)
[21:26] <fsphil> the avr implementation did seem overly complicated
[21:27] <Upu> back in a m
[21:27] <Upu> o
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[21:33] <Lunar_Lander> Dan-K2VOL, did you see the HIH-6130 sensor that sparkfun carries now?
[21:36] <SP9UOB> Upu: about solar cells - dou You plan stack them in serial or use step-up converter ?
[21:36] <Upu> Step up see : http://ava.upuaut.net/?p=383
[21:37] <Upu> http://ava.upuaut.net/?p=353
[21:37] <Upu> for the boards
[21:37] <Dan-K2VOL> no kevin I hadn't
[21:38] <SP9UOB> Upu: does TPS61200DRC run from 0.5V ?
[21:38] <SP9UOB> ok i have datasheet
[21:39] <SP9UOB> Operating Input Voltage Range from 0.3 V to 5.5 V
[21:39] <SP9UOB> cool
[21:40] <Upu> the 1.8v one ran down to about 0.6v with everything on full power
[21:40] <Upu> anyway been a long day
[21:40] <Upu> my body clock says its nearly 1am
[21:40] <Upu> night all
[21:41] <SP9UOB> goodnight upu
[21:41] <Upu> oh SP9UOB that board @ 1.8V = 27.5hours run time from a single AA
[21:41] <Upu> with no power saving
[21:41] <Upu> nn
[21:41] <Lunar_Lander> good night Upu
[21:41] <RG-lz1dev> 27.5 hours
[21:41] <RG-lz1dev> wow
[21:43] <Dan-K2VOL> night upu,
[21:44] <Laurenceb_> cya
[21:44] <Laurenceb_> oh wait
[21:44] <Laurenceb_> was that a lithium AA?
[21:44] <Laurenceb_> too late
[21:45] <RG-lz1dev> probably
[21:46] <RG-lz1dev> no point testing other type of batts
[21:46] <Dan-K2VOL> I'm sure it was LAurenceb_ he was quoting me energizer lithiums when he talked to me at the conference
[21:46] <Dan-K2VOL> well, I"m not sure, but it's plausible
[21:46] <Laurenceb_> yeah im guessing with lithium
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[21:53] <SP9UOB> good night all
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[00:00] --- Sun Oct 14 2012