highaltitude.log.20140710

[00:03] <aadamson> steve_2e0vet, PCB's as in you need bare boards?
[00:04] <aadamson> seeedstuduio, hackvana, oshpark are a few of the hobbiest suppliers
[00:04] <aadamson> oshpark being us based, the other are china based
[00:04] <aadamson> seeedstudio that is
[00:05] <steve_2e0vet> yes i have the eagle curcuit just wnt it making
[00:05] <steve_2e0vet> hackvana thats it
[00:07] <aadamson> there are on irc as well #hackvana
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[01:46] <N2NXZ> Has anyone here used the AD9850 dds with an NTX2 on arduino together?
[01:51] <N2NXZ> Noy having much luck finding a useful HF radio module,this link is as clost to finding info but dead ends. https://sites.google.com/site/oneauhab/ariel/equipment-list
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[02:37] <N2NXZ> Guessing no one working with the AD9850 modules for HF balloon tracking here?
[02:42] <DL7AD__> N2NXZ: not at this time (5am in germany)
[02:44] <N2NXZ> Thanks for the reply,I have a working NTX2 finally,but hoping to add HF.
[02:45] <N2NXZ> I`ll try and post later when you guys are in the sunshine :)
[02:49] <DL7AD__> N2NXZ: the sun is already up but our british guys are probably here in the irc at 6 or 7am utc
[02:49] Nick change: DL7AD__ -> DL7AD_
[02:52] <N2NXZ> Enjoy the day,10:52 pm here and still searching the net for info :(
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[04:32] <OZ1LRG> who fscked up the mobile tracker? its unusable...
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[06:41] <jededu> SLEET still up :)
[06:42] <Upu> yes
[06:42] <Upu> and floating still
[06:42] <Upu> congrats this is a first :)
[06:42] <Upu> may pop as it continues to warm up
[06:42] <jededu> What duration ?
[06:42] <Upu> 100g floating full stop
[06:43] <jededu> Ahh diddnt know that cool
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[06:44] <fsphil> I believe an .au team floated a 100g
[06:44] <qyx_> btw what happened to trackers? they are super slow, firefox shows error that script http://habitat.habhub.org/mobile-tracker/js/mobile.js is unresponsive
[06:44] <Upu> yeah
[06:44] <Upu> slight issue with the huge number of points from all the flights
[06:44] <qyx_> ah
[06:46] <amell> Upu: im betting steve was pleased to get his tracker back
[06:46] <Upu> 144k points atm
[06:46] <Upu> yeah was the one he turned up 10 mins after landing and it had gone awol
[06:46] <Upu> that was actually the prototype NTX2B-FA
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[06:46] <amell> and he tracked it disappearing in a car up the motorway?
[06:46] <Upu> not sure
[06:46] <Upu> oh ok fsphil
[06:47] <Upu> I thought this was the first time one had been properly floated
[06:47] <mfa298> qyx_: http://habmap.philcrump.co.uk/?vehicle=SLEET seems to be ok on my netbook (although with no filter it struggled)
[06:47] <Upu> I'm impressed its not burst at sun rise
[06:48] <Upu> however it keeps posting new highest alts
[06:48] <Upu> which is never a good thing for a floater
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[06:51] <Upu> moning LeoBodnar
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[06:53] <LeoBodnar> good mooning
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[07:03] <fsphil> still have a very weak signal from sleet
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[07:16] <fsphil> signal's getting stronger as it rises
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[07:22] <jededu> What is the max alt a 100g has reached ?
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[07:22] <fsphil> that's a good question
[07:24] <fsphil> mine got to 24.6km
[07:25] <fsphil> it had more H2 than this one
[07:25] <jededu> This is hulium
[07:25] <fsphil> er, yes that
[07:26] <fsphil> I've H2 on the mind, going to be getting some soon
[07:26] <jededu> lol
[07:27] <fsphil> it appears to be floating
[07:27] <fsphil> or pre-burst :)
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[07:27] <ei3kd> sleet signal is real weak in Cork and fading (with rotation?), no decodes yet
[07:28] <fsphil> only getting partial decodes here
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[07:28] <fsphil> what antenna have you ei3kd?
[07:30] <fsphil> ok not floating, but it's oscillating a bit
[07:31] <ei3kd> at the moment using a 2m antenna with azimuth offset, usually works ok but sleet appears to be weaker than others?
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[07:32] <fsphil> seems pretty normal from here for a balloon this low on my horizon
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[07:35] <fsphil> ei3kd: are you on the ukhas mailing list? I might be sending one your way before the end of the year
[07:35] <ei3kd> If it's still in the air I'll stick something vaguely 434MHz-ish on the end of an rtl stick later, should be better
[07:35] <ei3kd> I am
[07:38] <ei3kd> fsphil are you seeing any fading? I think there's some directivity on sleet's antenna...
[07:39] <fsphil> very slightly
[07:39] <fsphil> faded a bit at the moment
[07:40] <fsphil> it must be rotating slowly
[07:42] <fsphil> faded a bit more now
[07:42] <fsphil> rising in altitude again
[07:42] <fsphil> c'mon, don't burst
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[07:44] <ei3kd> still weak but getting partial decodes
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[07:44] <fsphil> battery looks good
[07:45] <fsphil> rising again
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[07:47] <fsphil> wonder how much of this rising and falling is just gps noise
[07:47] <jed__edu> Thats what I was thinking
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[07:48] <fsphil> signal's got stronger for me now
[07:49] <fsphil> getting most of the strings
[07:49] <jed__edu> It looks like its in a stable float tho
[07:49] <craag> altitude graph seems to be stable
[07:50] <fsphil> the spacenear one doesn't handle long duration flights well
[07:50] <fsphil> so near to a decode
[07:50] <craag> the habmap one you can click and drag to zoom
[07:50] <fsphil> wonder why the sudden increase
[07:50] <fsphil> in signal strength
[07:51] <fsphil> $$LEET,5814
[07:51] <fsphil> very
[07:52] <fsphil> ack, one char out
[07:54] <fsphil> faded again
[07:55] <jed__edu> fsphil where are you
[07:55] <fsphil> n.ireland
[07:56] <jed__edu> ahh
[07:56] <fsphil> a few strings that looked ok but failed the checksum
[07:58] <fsphil> faded badly now
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[08:01] <LeoBodnar> do we have a flotation device?
[08:02] <LeoBodnar> that's awesome
[08:02] <jed__edu> Seems so
[08:03] <fsphil> it just doesn't want to stop
[08:03] <mfa298> maybe it's trying to get back over land so it can land near someone else that can re-launch it
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[08:08] <gonzo___> is this it's second relaunch? (not including dave's launch)
[08:09] <fsphil> yea
[08:09] <gonzo___> nice, who relaunched?
[08:09] <fsphil> plus a little wander through town
[08:09] <fsphil> jed__edu dunnit
[08:10] <fsphil> $$SLEEP,5893
[08:10] <fsphil> don't mind if I do
[08:10] <gonzo___> 5905 at the mo
[08:10] <fsphil> I've had every combination of string except a valid one
[08:10] <fsphil> 5907 coming in as SLEEP too
[08:10] <gonzo___> infuriating
[08:10] <fsphil> think it's trying to tell me something
[08:11] <gonzo___> or tell us all something
[08:11] <fsphil> QLEET
[08:12] Action: fsphil needa to get his al/ez yagi mount up
[08:12] <gonzo___> does it have some PV on there or did jed put new batts in? As it does seem to be doing well
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[08:12] <jed__edu> New Batt AA
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[08:12] <gonzo___> quite a freq drift overnight, had to retune back into the passband this morn
[08:13] <fsphil> yea my AFC lost it overnight
[08:13] <DutchMillbt> Good morning SP3OSJ on it's usual frequency 437.700 ?
[08:14] <Meow_> yep!
[08:14] <gonzo___> looking at the path and radiant lines, I recon many did
[08:14] <Meow_> no dammit, 144.700
[08:14] <Meow_> 144.700 rtty 100bd
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[08:15] <gonzo___> morning jed. Good one. What was the balloon you sent it up on?
[08:16] <jed__edu> 100g latex
[08:16] <DutchMillbt> Thankz Meow_ keep an eye on it today SP3OSJ is heading my way
[08:16] <fsphil> same one jed__edu?
[08:16] <fsphil> yay finally, valid line
[08:16] <jed__edu> New envelope
[08:16] <fsphil> 562.3km distance
[08:16] <jed__edu> wow
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[08:16] <gonzo___> what size? 100gm?
[08:16] <jed__edu> yes
[08:17] <gonzo___> excellent
[08:22] <fsphil> 564km. seems to be moving away from me
[08:23] Nick change: Meow_ -> OZ1LRG
[08:30] <fsphil> faded again
[08:31] <fsphil> almost completly gone from my waterfall
[08:32] Action: fsphil blames the atmosphere
[08:34] <gonzo___> fading here, down to 29dB !
[08:35] <fsphil> maybe not atmosphere then
[08:35] <fsphil> hmm
[08:35] <fsphil> it's recovered somewhat
[08:42] <LeoBodnar> it's good at it
[08:42] <fsphil> haha
[08:43] <fsphil> very few latex flights have survived sunrise
[08:43] <fsphil> I can only think of the two transatlantic ones and one of james floaters
[08:44] <mattbrejza> was helped by the fact it wasnt at max altitude at sunset
[08:54] <gonzo___> were the transatlantic not ZP ?
[08:55] <fsphil> 1600g latex
[08:55] <gonzo___> I stand corrected
[08:56] <fsphil> back when 1600g seemed to be magic
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[09:19] <Herman-PB0AHX> Wat is frequentie of sp3osj ??
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[09:23] <OZ1LRG> 144.700 rtty 100
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[09:38] <Herman-PB0AHX> tnx info oz1lrg
[09:39] <Laurenceb_> sp3osj is going to take the duration record off leo at this rate
[09:40] <Laurenceb_> couple more days...
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[09:41] <Herman-PB0AHX> Laurenceb_: yes is a nice record
[09:41] <craag> Will it switch to ISM if it comes over the UK?
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[09:43] <amell> if it doesnt, it will get shot down in a hail of AA fire
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[09:52] <jededu_> Hopefully SLEET should last out the day
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[09:55] <fsphil> I wouldn't be surprised if it turned around and headed back :)
[09:55] <craag> it seems to be thinking about it
[09:55] <craag> but then it catches sight of fsphil..
[09:56] <fsphil> hah
[09:56] Action: fsphil activates the pico repeller
[09:56] <craag> had any luck on decodes yet?
[09:56] <fsphil> I've had a couple
[09:56] <craag> :)
[09:56] <fsphil> 564km which ain't bad for something this low
[10:04] <craag> Very cool to have a float this high though
[10:04] <craag> is it rtty?
[10:04] <fsphil> yea
[10:04] <craag> need some error correction in there
[10:04] <fsphil> this is an early-Upu board
[10:04] <craag> I'm going to be trying to shoehorn turbohab onto the glitchy crackle tracker this evening.
[10:05] <fsphil> how fast can that be made to go?
[10:05] <fsphil> more a receiver limit I suppose
[10:06] <Laurenceb_> https://www.tuv.com/media/germany/50_trainingandconsulting/pdf/patente/Circular_transportation_facilitation_device.pdf
[10:06] <mattbrejza> :D
[10:06] <mattbrejza> craag: let me know if you need a hand
[10:06] <craag> currently matt thing does 50/300
[10:06] <mattbrejza> due to complete lack of documentation
[10:06] <fsphil> mmm
[10:06] <fsphil> 300 symbols/sec?
[10:06] <mattbrejza> there is no reason it cant be made to do another symbol rate
[10:06] <fsphil> how much of that is FEC?
[10:07] <mattbrejza> you can send as much or as little as you want
[10:07] <fsphil> ah sweet
[10:07] <fsphil> does it use rtty framing or just bits?
[10:07] <mattbrejza> although there are four 'standard' amounts where the decoder tries to decode
[10:07] <mattbrejza> between R=0.9 and R=0.33
[10:07] <mattbrejza> na its just bits
[10:07] <mattbrejza> no start/stop
[10:07] <fsphil> fancy trying it with images
[10:08] <mattbrejza> well the payload could be anything
[10:08] <fsphil> how large can a payload be?
[10:08] <mattbrejza> max 6144 bits (message)
[10:08] <fsphil> more than enough
[10:09] <fsphil> is larger better or does it matter?
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[10:09] <mattbrejza> larger performs better from a ber point of view
[10:09] <mattbrejza> however if you miss the sync then you lose more
[10:09] <mattbrejza> but you could make the sync longer
[10:09] <fsphil> sync is always a weakness
[10:10] <mattbrejza> or if there is no gaps between packets then the decoder can always assume another packet will follow
[10:10] <mattbrejza> (thats not yet implemented, but its not hard to do so)
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[10:11] <mattbrejza> also the ssdv could be modified to allow telemetry in the same frame
[10:11] <mattbrejza> then you just have packets head to tail, 6144 in length
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[10:12] <fsphil> probably better to package the ssdv into something else that also handles telemetry
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[10:13] <mattbrejza> you would probably want to rewrite the decoder in c at some point though
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[10:14] <fsphil> would there be much involved in having it decode from an IQ stream?
[10:14] <mattbrejza> not much
[10:14] <mattbrejza> the difficuit bit for me would be arsing around with the dongle interface
[10:14] <fsphil> thinking it would be nice to have it decoding from an FCD or rtl-sdr directly
[10:15] <fsphil> there is a simple library for the rtlsdr at least
[10:15] <fsphil> dunno about the fcd
[10:15] <mattbrejza> well the fcd is a soundcard?
[10:15] <mattbrejza> just need the freq control bit
[10:15] <fsphil> ah yes forgot about that
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[10:16] <mattbrejza> this isnt the first time redoing fldigi has been discussed
[10:16] <mattbrejza> fairly sure mikestir-work made a start too
[10:16] <fsphil> I've started a few times :)
[10:16] <fsphil> but I'm not thinking of a rewrite, just a really simple decoder
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[10:16] <fsphil> no UI
[10:17] <craag> mattbrejza: Thanks, I may very well need some help. I've done some groundwork in integrating the binary with my pwm stuff, but haven't tried running it yet!
[10:17] <craag> fsphil: Just a command-line program that decodes and tells you when you need to retune the radio (if any) would be great.
[10:17] <fsphil> with the SDR I'm hoping it won't need to retune
[10:18] <craag> Yeah with SDR it can do it itself :)
[10:18] <mattbrejza> craag: :)
[10:18] <Laurenceb_> iirc i did that with xmlrpc
[10:18] <Laurenceb_> http://ukhas.org.uk/guides:chipcon_cc1020_software_define_radio
[10:18] <fsphil> fldigi already has a crude auto re-tune
[10:18] <Laurenceb_> hiding there somewhere
[10:18] <craag> I've got linux code for controlling the FCD by it's USB endpoint
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[10:18] <mattbrejza> is it that much harder to have a ui with a waterfall and some boxes?
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[10:19] <fsphil> I suck at making UIs :)
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[10:19] <craag> mattbrejza: As long as it doesn't take 80% CPU ;)
[10:19] <mattbrejza> well it wouldnt need much more than what my java one has
[10:19] <mattbrejza> and someone else can always do that :P
[10:19] <mattbrejza> thats your java VM's fault craag :)
[10:19] <fsphil> there are no good cross-platform C toolkits
[10:19] <fsphil> they all seem to be C++
[10:20] <craag> python+tkinter looked rather nice from what ibanezmatt13 was playing with yesterday.
[10:20] <mattbrejza> would you not use c++ for this?
[10:20] <mikestir-work> gtk+ is c
[10:20] <fsphil> gtk is butt ugly on windows
[10:20] <mikestir-work> it wasn't a recommendation :)
[10:20] <fsphil> hah
[10:20] <mikestir-work> just accept the C++ thing go with Qt
[10:20] <mikestir-work> *and
[10:20] <fsphil> yea
[10:20] <tweetBot> @Felim_Doyle: @daveake @mypifi What? No identifying marks or even an e-mail address on the SD card maybe? #UKHAS
[10:21] <mfa298> There was some discussion of replacing dl-fldigi on #habhub the other evening although I'm not sure it really got anywhere
[10:21] <fsphil> yea it'll end up being QT
[10:24] <SpeedEvil> one that could actually accept >8khz in would be great
[10:24] <fsphil> oh yes. MHz!
[10:25] <fsphil> and multiple decoder tabs
[10:25] <mfa298> could always join the web 2.0 (or whatever it is now) and use the JS thingy craag had found
[10:25] <mikestir-work> the webradio pipeline would probably be a good start, although I'm still not 100% sure I shouldn't just ditch it and use gnuradio
[10:25] <mikestir-work> it's a lot simpler than gnuradio though
[10:26] <mattbrejza> can you compile gnuradio to a standalone application?
[10:26] <mikestir-work> gnuradio is a set of libraries
[10:26] <mikestir-work> gqrx uses it
[10:26] <mattbrejza> oh right
[10:26] <fsphil> would probably be wise
[10:27] <mikestir-work> it's graph based, similar to webradio but much heavier duty
[10:27] <mikestir-work> big advantage would be that you already have blocks for most of the downconversion and filtering side; you'd just need to write the decoders
[10:28] <mikestir-work> webradio was missing a good channel filter to make ssb work properly
[10:28] <mattbrejza> well the downconverting isnt hte hardest thing to write realyl
[10:29] <mattbrejza> especially if you want to go straight into the rtty decoder from IQ input
[10:29] <fsphil> yea. just hand the modem the raw data and tell it the parameters
[10:29] <mikestir-work> getting the multirate stuff needs care to avoid huge cpu utilisation
[10:30] <mattbrejza> CIC filter as the first step?
[10:30] <mattbrejza> although whether you would mix to a low IF, CIC, rtty decode,
[10:30] <mattbrejza> or
[10:30] <mikestir-work> I think you'd probably want the modem to accept baseband IQ at a minimal sample rate, enough for the channel being decoded
[10:31] <mattbrejza> IQ mix each rtty signal to the baseband, CIC each 4,
[10:31] <mattbrejza> not sure what would be best
[10:31] <mikestir-work> then you could run multiple modems in parallel, each fed from a separate downconversion and downsample stage so that it can handle more than one payload at a time
[10:31] <mikestir-work> this is exactly my intention for webradio, if only I had more time
[10:32] <mattbrejza> dont suppose theres a way to access the rtlsdr from within js in a browser?
[10:32] <fsphil> I kinda hope not :)
[10:32] <mikestir-work> probably not directly. suppose you could use websockets to access rtltcp
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[10:34] <mattbrejza> alternatively people could get over java :P
[10:34] <mikestir-work> I like the idea of a C(++) headless back end with one or more front ends that can be remote
[10:35] <mikestir-work> the js stuff I did on webradio would be one candidate, but a Qt desktop gui and an Android/iOS app would also be nice
[10:35] <LZ1DEV> websockets != normal sockets
[10:36] <fsphil> we need a libukhas
[10:36] <mattbrejza> ill make a start: https://github.com/mattbrejza/turbohab/tree/master/encoder/libturbohab
[10:36] <fsphil> which could include the modems, habitat upload, image decoders, FEC
[10:37] <fsphil> but yes, just turbohab to start with :)
[10:37] <mattbrejza> and a file called libgpsdecode.c
[10:37] <mattbrejza> which contains the following line:
[10:37] <mattbrejza> //WRITE IT YOURSLF
[10:37] <fsphil> I'll see if I can program up a payload to send images with it
[10:37] <mattbrejza> +E
[10:38] <mikestir-work> my mrs has taken the kids away for the weekend. maybe I'll get some time to play with webradio
[10:38] <fsphil> though it means writing a java ssdv decoder
[10:38] Action: fsphil dies a little inside
[10:38] <mattbrejza> hehe
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[10:38] <fsphil> actually it could be fun
[10:38] <mattbrejza> well you havnt seen my java yet
[10:38] <mattbrejza> hopefully you wouldnt need to go near my bit
[10:39] <mattbrejza> just write a new class that takes in payloads of data
[10:39] <fsphil> mostly just need a hook somewhere to pull out the data
[10:39] <fsphil> oh yea java
[10:39] <fsphil> hooks are bad
[10:39] <mikestir-work> mattbrejza: how do you fancy writing a turbohab rx as a gnuradio block?
[10:40] <mattbrejza> gnuradio block meaning something in c?
[10:40] <mikestir-work> c++
[10:40] <mattbrejza> ok
[10:40] <mikestir-work> it's basically java. just s/final/const/
[10:40] <mattbrejza> well there are two parts, the trubo decoder, and the bit that does the framing
[10:40] <mattbrejza> the framing is the annoying bit
[10:40] <mikestir-work> ok in gnuradio they should be separate blocks
[10:40] <fsphil> turbo codes are a stream, or do they work on blocks?
[10:41] <fsphil> there is a proper term for those*
[10:41] <fsphil> I can't remember what it is
[10:41] <mikestir-work> does the turbo decoder provide a bitstream?
[10:41] <fsphil> for ssdv I could ignore the turbohab framing :)
[10:41] <mattbrejza> frames
[10:41] <craag> mattbrejza: There's a chrome extension (using nacl I think) that runs an FM radio receiver on an RTLSDR
[10:42] <craag> https://chrome.google.com/webstore/detail/radio-receiver/miieomcelenidlleokajkghmifldohpo?hl=en
[10:42] <mattbrejza> https://github.com/mattbrejza/rtty_modem/blob/master/rtty_dev/src/rtty/Turbo_decoder.java is the deocder if it helps
[10:42] <craag> It's open source too, code on on googlecode somewhere
[10:43] <mattbrejza> so your ssdv decoder will get a block of bits, and their length
[10:43] <craag> I haven't got an R820T-based sticks - so haven't tried it out.
[10:43] <fsphil> hmmm yea
[10:43] <mattbrejza> then you need to add frame id and whatever else
[10:43] <fsphil> no reason ssdv can't be variable block sizes
[10:43] <mattbrejza> its not advised
[10:44] <mattbrejza> as the decoder will try to assume the frame lengths are the same (as well as reading the packet header)
[10:44] <mattbrejza> so if you always keep it the same then if the header is misread then the frame still may be decoded
[10:44] <mikestir-work> I'll look at what would be involved in swapping out the DSP stuff in webradio for gnuradio. This is going to be the quickest way to get that properly functional, then that would be a fairly functional rx/decode back-end
[10:44] <mikestir-work> the json api stuff could be accessed from a desktop gui just as well as from the js stuff
[10:45] <fsphil> fldigi already has code for that
[10:45] <fsphil> dl-*
[10:46] <mikestir-work> for what? api?
[10:46] <fsphil> oh n/m, thought you meant for accessing habitat
[10:46] Action: fsphil catches up
[10:46] <mikestir-work> no, that would need to be a block that the decoders feed into
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[10:47] <mikestir-work> it could be wrapped up in another gnuradio block I guess. then you have a straightforward flow of data from IQ stream, decoded bitstream, frames, decoded data, into habitat sink
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[10:49] <mikestir-work> http://www.mike-stirling.com/2012/10/hacking-wireless-radiator-valves-with-gnuradio/ <-- this has some code and info on writing a gnuradio pipeline all the way to decoding frames of data
[10:49] <fsphil> mattbrejza: what's the d* inputs to decode()?
[10:50] <mattbrejza> double[][] v = Turbo_decoder.output_rate_dematching(bits, internal_interleaver_len+4);
[10:50] <mattbrejza> boolean[] out = tdec.decode(v[0], v[1], v[2], true, true);
[10:50] <mattbrejza> you have to look deep in the LTE spec for these signal names
[10:51] <amell> any idea how many litres of gas there are in a Helium D50 container?
[10:52] <amell> 22.3L at 23 bar, i think.
[10:53] <amell> not sure whether to believe it
[10:53] <amell> because that only makes 512L
[10:53] <mattbrejza> 23bar isnt many
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[10:54] <mattbrejza> but 22L@23bar uncompressed is indeed 22*23
[10:55] <amell> this is what the container says, with adams gas on it.
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[10:56] <amell> want to be sure i can launch 47g payload on a 100g pawan, without running out of gas.
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[10:56] <amell> i think its ok.
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[10:58] <amell> the other concern is whether i have enough gas for two flights
[11:01] Nick change: MichaelC1 -> MichaelC
[11:01] <boo> u have almost 0,5 m^3 He
[11:01] <boo> tht s enough
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[11:08] <amell> enough for two ?
[11:09] <jededu_> Looks like SLEET could turn :)
[11:09] <amell> debating about launching today seeing as i can recover locally. seems to be in the eye here.
[11:12] <jededu_> What is the payload amell
[11:12] <amell> 47g tracker
[11:12] <jededu_> pico
[11:13] <amell> pico-ish
[11:13] <amell> let me go weigh it again to be sure. im sure its 47g
[11:13] <Geoff-G8-> http://360.g8dhe.net/HAB_Flights/2014_Flights/SLEET_20140707/
[11:13] <amell> the heaviest part of it is the 3 x AA batteries
[11:14] <mikestir-work> can't you run it on AAA?
[11:15] <amell> actually 3x AAA :)
[11:19] <craag> mikestir-work: btw crackle (the noisy step-up payload) eventually flew with just the step-up after a I snapped a leg off the to92 ldo on the launch site
[11:19] <craag> Got a lock fine after a few minutes
[11:19] <mikestir-work> oops!
[11:20] <craag> Further proof that chance of MAX7 lock = 1/proximity of mattbrezja
[11:20] <craag> mattbrejza even
[11:20] <gonzo___> it's interesting how you can build a light tracker, then by the time you have added a bit of thermal lagging and tape, it ends up being quite heavy
[11:21] <mikestir-work> I didn't bother with any insulation on wg2. I was going to put some bubble wrap around it but I left it at home, so it just had a layer of pvc tape and nothing else
[11:22] <gonzo___> have flown them with just a sandwich bag over, to keep of the direct rain
[11:22] <mikestir-work> lacquer spray
[11:23] <craag> I put bubble wrap on crackle mainly for padding, as I suspected the balloon might fully disconnect again.
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[11:28] <amell> weighed - 41g
[11:28] <amell> but its tipping down with rain, so...
[11:32] <Boelle_DK> craag.... started on this listning station of mine... just found some py scripts that can read off gps chip, my goal is to give habrotate option to use static or gps.... how do i get arround that? the other script return the data needed... but how do i get the data from that script to habrotate?
[11:32] <Boelle_DK> only want pointers... no need for spoon feed yet
[11:32] <mattbrejza> 0x58A41B70
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[11:33] <fsphil> 0x00000000 is more fun
[11:33] <mattbrejza> i think 0x80000000 is the start of flash on stm32s?
[11:35] <craag> Boelle_DK: Well you can see where it loads station location from the config.json file.
[11:35] <ak4rp> 0x08000000 ?
[11:36] <craag> Have another thread that reads off the GPS and updates those variables.
[11:36] <craag> That's how my APRS stuff does it.
[11:36] <amell> 0xdeadbeef?
[11:36] <mattbrejza> ah yes, that makes more sense ak4rp
[11:36] <craag> 0xc0ffeeee
[11:38] <Boelle_DK> craag: yep, but i have found a script that reads off the gps and last line says return and then the gps data... so the step would be to call that py script from within habrotate right?
[11:38] <Boelle_DK> have that file on git if it helps anything?
[11:38] <craag> no... have another thread in habrotate that reads off the gps
[11:39] <craag> sorry, am at work.
[11:39] <Boelle_DK> np
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[11:39] <craag> so put the functionality from your other script (do not just copy+paste), into a new thread in habrotate.
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[11:44] <DL7AD> does anyone know why SLEET is descending so slowly?
[11:45] <gonzo___> it's half snow?
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[11:49] <gonzo___> looks like it's on the limit for my local horizon. The high up omni is better than the slightlky lower yagi
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[12:10] <mikestir-work> interesting summary of those leaked nsa bugs on hackaday - it is just an electronic version of the great seal bug
[12:10] <mikestir-work> I wonder if the approach would work for hab data to avoid having to power the tx
[12:11] <Darkside> you'd need a pretty big illuminator :-)
[12:12] <mikestir-work> :)
[12:13] <Darkside> maybe one of those hams with an EME array :P
[12:13] <PE2G> Maxell: has SLEET been within range of Eastern-NL?
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[12:15] <Maxell> PE2G: yeah I think so
[12:15] <Maxell> But I had 0 signal except qrm
[12:16] <Maxell> also SP3OSJ incoming for all you UK guys
[12:17] <PE2G> Maxell: Thanks for the info, missed it completely
[12:17] <Ron_G8FJG> my last green was @ 496 km, have to put more ali in the air!
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[12:18] <Maxell> PE2G: yeah too bad but not that critical anyway :)
[12:20] <PE2G> Am always eager to receive a HAB when there's one in range :) Strange habit, I know.
[12:20] <Maxell> hehe
[12:21] <Maxell> Well I have this X-30 on 4 meter mast in the yard now...
[12:21] <Maxell> I need some HABs :)
[12:21] <PE2G> There's an ozone sonde heading for Dordrecht now
[12:22] <PE2G> http://nl.aprs.fi/#!mt=roadmap&z=11&call=a%2FPE2G-11&timerange=10800&tail=10800
[12:22] <PE2G> http://predict.habhub.org/#!/uuid=de7a5eee471f5617605c63e7261591f6e56a9253
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[12:24] <UpuWork> yeah hope it adheres to our laws Maxell
[12:24] <Laurenceb_> http://ready.arl.noaa.gov/hypubout/154741_trj001.gif
[12:27] <Laurenceb_> http://ready.arl.noaa.gov/hypubout/154889_trj001.gif
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[12:37] <jededu> Think SLEET is cooling
[12:38] <M6SFC> Lost SLEET in QRM
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[12:41] <fsphil> it's little altitude dip has put it out of my range
[12:41] <fsphil> -'
[12:42] <F1VJQ> SLEET is cunningly staying out of my range after turning right!
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[12:44] <mattbrejza> chrome just crashed, and i got logged out too :/
[12:52] <jededu> All the wind data I look at sends sleet S or S/E even the predictor says S/E so why is it going west
[12:53] <adamgreig> presumably the actual wind is going west :P
[12:53] <adamgreig> or the gps is wrong, hah
[12:53] <fsphil> or the ISEE guys have been commanding the wrong craft
[12:53] <jededu> lol
[12:55] <DutchMillbt> PE2G zit er statiegeld op de ozon sonde?
[12:56] <PE2G> Yes, but met-office staff is already in the predicted landing area
[12:56] <DutchMillbt> damm'n ;-)
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[13:02] <Maxell> PE2G: oh do they chase those ozon sondes too?
[13:02] <PE2G> Maxell: Yeah, with nice weather only ;)
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[13:04] <jededu> Are you launching amell
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[13:11] <PE2G> Maxell: Prevailing upper winds are west to southwest in NL, so most ozone sondes end up in eastern parts of NL (or in Germany) where amateur chasers like me collect them.
[13:11] <PE2G> Maxell: In the west of the country, it's another story: hardly any sonde chasers, so met-office personell go after them themselves
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[13:15] <amell> jededu: not in rain, no
[13:16] <jededu> Ahh still raining
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[13:18] <gonzo___> it is ah' raining, not ?
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[13:21] <jededu> ping upu
[13:23] <ei3kd> is dl-fldigi version 3.21.50 ok for uploads to habhub?
[13:25] <DutchMillbt> PE2G what's type of modulation for decoding te sonde SGP or AGP ?
[13:25] <ei3kd> reason I ask is that I've had some good decodes from sleet that haven't appeared it says it's online?
[13:26] <PE2G> DutchMillbt: SGP on 403.900
[13:26] <DutchMillbt> oke thankz signal between s5 - s9
[13:27] <PE2G> OK, nice.
[13:28] <PE2G> DutchMillbt: I think I'll lose it at around 2500 m alt. Distance is 140 km for me.
[13:29] <craag> ei3kd: Any error messages at the bottom of the window?
[13:29] <craag> or messages at all
[13:29] <ei3kd> nope
[13:29] <DutchMillbt> PE2G what is the lat/long @the moment
[13:29] <craag> You should see 'Payload Telemetry uploaded successfully
[13:30] <ei3kd> oh - yeah I just saw that briefly, sorry
[13:30] <craag> In which case it is most likely working
[13:30] <PE2G> DutchMillbt: http://nl.aprs.fi/#!mt=roadmap&z=11&call=a%2FPE2G-11&timerange=10800&tail=10800
[13:30] <ei3kd> any idea why they're not appearing on map?
[13:31] <DutchMillbt> A nice PE2G
[13:32] <PE2G> DutchMillbt: It's descending after a burst at ~31 km
[13:33] <ei3kd> ah - it's ok sorry craag, sorted
[13:34] <craag> ei3kd: np :)
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[13:41] <aadamson> In looking at SLEET and running the numbers from yesterday, am I to assume that it's 19k level was due to night time, that was short of it's projected altitude
[13:41] <aadamson> then this morning, it warmed back up and continued onward - now either has formed a leak or something else causing the downward descent, not burst related?
[13:42] <DutchMillbt> PE2G i hope the KNMI crew have taken their swimming suit
[13:42] <aadamson> the peak is about where it's projected burst altitude was from yesterdays numbers
[13:44] <PE2G> DutchMillbt: Yeah, heading for the Biesbosch, probably the most difficult to access area in the country ;)
[13:45] <LeoBodnar> it's more complex than that aadamson
[13:45] <DutchMillbt> yep ... nice signal ( using mu sdr dongle and sdr#) but no decodes?
[13:47] <PE2G> DutchMillbt: You've loaded a Rinex file?
[13:47] <DutchMillbt> nope...what is a Rinex
[13:48] <myself> rinex is a file format for storage of raw GPS observable parameters, which is used for logging and post-processing
[13:49] <DutchMillbt> oke thanks myself ;-)
[13:51] <myself> rtklib is probably the best jumping-off point for learning about post-processing and rtk techniques, it has impeccable documentation
[13:54] <PE2G> DutchMillbt: Load this .14n file into your Log Files directory: ftp://cddis.gsfc.nasa.gov/gps/data/daily/2014/brdc/brdc1900.14n.Z
[13:56] <PE2G> Then: Tools > GPS Arm > Luanch site: N 52.1 E 5.18, Select: Rinex and GPS Resolution 3D . Click OK
[13:56] <PE2G> And select the .14n file
[13:57] <DutchMillbt> oke i try
[14:01] <DutchMillbt> PE2G... did the .14n stuff but still no decodes ... the audio level i too weak i think
[14:01] <DutchMillbt> is
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[14:03] <PE2G> DutchMillbt: Likely. It's fairly low alt now. SondeMonitor needs a good quality signal
[14:03] <PE2G> I'll lose it soon...
[14:04] <DutchMillbt> oke yhank for your help so far .. need more time to do a proper setup
[14:04] <DutchMillbt> thanks..
[14:05] <PE2G> DutchMillbt: NP
[14:11] <PE2G> DutchMillbt: LOS here. SondeMonitor's Aim Marker is showing a landing spot north of the Hollands Diep.
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[14:14] <DutchMillbt> Signal lost
[14:14] <UpuWork> hi jededu
[14:14] <DutchMillbt> lets find a boat ;-)
[14:14] <aadamson> thank LeoBodnar, yeah figured as much... looks like its generally decided to return to earth anyway, just the slow route
[14:14] <UpuWork> slow leak ?
[14:17] <aadamson> most likely it was appear... here's the current soundings for the area - http://weather.uwyo.edu/cgi-bin/sounding?region=europe&TYPE=TEXT%3ALIST&YEAR=2014&MONTH=07&FROM=1012&TO=1012&STNM=03808&ICE=1
[14:19] <jededu> Hi upu it shouldnt leak at the neck it was well sealed
[14:19] <jededu> upu pm
[14:21] <amell> jededu: nice float. wanting tips - how did you measure lift?
[14:25] <jededu> amell im sure there are better ways but that is a plastic straw with 28g of blutac http://imgur.com/M9ecWid
[14:26] <amell> the fill pipe is connected how?
[14:26] <amell> 28g of blutac to represent the tracker weight?
[14:27] <jededu> where the tape in on the worktop the straw goes into the filler pipe
[14:27] <aadamson> tracker plus free lift... 22.5g tracker, 5.5gr free
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[14:27] <amell> is there someone standing behind the balloon in pyjamas? :)
[14:28] <jededu> the straw is one of those flexi ones 1.2g daughter lol
[14:28] <amell> ok does filler pipe have one way valve?
[14:28] <jededu> on the botthe its a push release
[14:28] <jededu> bottle
[14:29] <amell> got a close up of the neck by any chance?
[14:29] <Geoff-G8-> Oh Sleet out of range for me as well now.
[14:29] <jededu> can leter need to go collect wife
[14:29] <amell> later
[14:29] <amell> me too
[14:30] <jededu> Could SLEET just be cooling over the sea ?
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[14:40] <aadamson> jededu, certainly not an expert, but at that altitude, it's approx -50C and there is probably some thermal heating inside the envelop
[14:41] <Geoff-G8|> ..
[14:41] Nick change: Geoff-G8| -> Geoff-G8DHE-M
[14:41] <Geoff-G8DHE-M> ..
[14:42] <aadamson> jededu, love the duct tape on the worktop! :)
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[14:48] <YU1TTN> Hello!
[14:49] <steve_2e0vet> hi all anyone know where i will find LM7805 regulators in Eagle
[14:49] <YU1TTN> Can anyone confirm power level of M0XER-3 on 144.800 MHz ?
[14:50] <Maxell> YU1TTN: about 100 mW if I remeber correctly
[14:50] <Maxell> B-63 also does telemetry on 434.500 MHz with 10 mW output power
[14:50] <mfa298> I think it may even be 10mW for aprs
[14:51] <craag> Yeah I think it's less than 20mW
[14:51] <YU1TTN> Maxell 100mW on 144.800 and 10mW on 434.500, right?
[14:53] <mfa298> I think it's more like 10mW on both bands (it's the same transmitter doing both)
[14:53] <YU1TTN> ok, thanks :)
[14:54] <YU1TTN> M0XER-3 passed over Serbia, and I was able to pick-up the signals
[14:54] <YU1TTN> signal on 144.800 was pretty strong, but one on 434.500 was very weak, but still useful
[14:55] <craag> The antenna is a 1/4 wave for 144, so not ideal for 434.
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[14:58] <YU1TTN> sure, that can be the cause
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[15:06] <gonzo___> would be a 3/4 wafe at 434,
[15:06] <amell> need to figure out filling apparatus
[15:09] <Herman-PB0AHX> SP3OSJ is also in usb and in dl-fldigi outoconfigure is ok ??
[15:09] <Herman-PB0AHX> 0=a
[15:10] <Laurenceb_> i think SLEET lost gas via diffusion
[15:11] <amell> iSEE3 - have they abandoned hope of completing TCM? I didnt see anything about using the second bank of hydrazine?
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[15:19] <gonzo___> anyone got a spare balloon, gas and a boat??
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[15:29] <SpeedEvil> amell: that's a great quote '"You need to focus on the absurd things that are possible."'
[15:30] <Maxell> Herman-PB0AHX: SP3OSJ 36 144.700MHz RTTY (+ APRS & CW)
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[15:35] <N2NXZ> Has anyone successfully used an AD9850 DDS module for an Arduino GPS tracker ?I know,I have asked this before.
[15:36] <N2NXZ> Looking to operate both UHF / HF on my tracking board.
[15:39] <mfa298> not many people have done HF beacons and they potentially carry more risk (longer antennas to drape over high voltage power lines etc)
[15:41] <N2NXZ> I have used 10 meter band for HAB,using thin magnet wire for antenna would not last too much high voltage lines.But using HF for long distance flights is better than UHF.
[15:42] <N2NXZ> Cost of average balloon launches may as well yield better chances of tracking
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[15:43] <mfa298> Leo did try some payloads in the HF ISM band but the noise floor was too high for it to be useful (plus limited antenna length and power as it was also fitting in the 2m size limit)
[15:44] <mattbrejza> for ISM HF just attach a long bit of wire to a 27.12MHz crystal
[15:44] <N2NXZ> I agree with HF ISM bands.Very noisy,listened to some last night...not a good choice so thinking more like 30m or 20m bands.
[15:45] <mfa298> Darkside has done some HF flights (one of which I think was worryingly close to HV lines with the concern of what would happen if it (a: caused the fuse to trip or b: melting wire caused a bush fire - I think b: was the higher concern)
[15:45] <N2NXZ> I have the 9850 programmed to send test RTTY,but not really sure how to wire it with the existing NTX2 and GPS system.
[15:46] <mattbrejza> surely if you have it sending rtty thats it sorted :/
[15:47] <N2NXZ> Works pretty good @ 10mw,programmable freq is really neat 1-40mhz.Just not sure yet how to pipe the GPS/RTTY data out of it like the NTX2 does.
[15:48] <mikestir-work> reprogram the frequency once per bit period
[15:48] <N2NXZ> Not worried about power lines over the Atlantic...I want to send this to you guys on the other side this time :)
[15:52] <N2NXZ> https://twitter.com/IS0EIR/status/297403707136557058
[15:52] <N2NXZ> Pretty much as far as I am with this module
[15:53] <mattbrejza> so you just send gps data instead of HELLO WORLD? :/
[15:54] <mattbrejza> oh these are the DDS ICs which are $12 from analog @ 1k, but somehow £3 on ebay with a full module
[15:55] <N2NXZ> I bought 3 since they are so cool.I am quite new to Arduino,so it does not come easy for me to get these things to work.Had a hard time just getting the original UHF/GPS to work.
[15:57] <mattbrejza> you should probably spend some time understanding the two bits of code so you know whats going on
[15:58] <N2NXZ> I need to learn a lot!!
[15:58] <mattbrejza> well thats the idea of doing these projects
[15:58] <mattbrejza> otherwise you might as well just buy a spot tracker
[16:00] <N2NXZ> I want to test this tracker so far to see if it shows my position,already put the info on genpayload,what do I do next?
[16:00] <mattbrejza> programming the tracker sounds like a good start
[16:01] <N2NXZ> It is ready...minus the HF part
[16:01] <mattbrejza> so the UHF transmitter part?
[16:01] <N2NXZ> I think,getting good checksum with dl fldigi,not seeing anything on the map tho
[16:02] <mattbrejza> http://habitat.habhub.org/logtail/ shows everything fldigi sends to habitat
[16:02] <N2NXZ> NTX2 module with Ublox max 7 working
[16:02] <mfa298> has your station appeared on the map?
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[16:02] <N2NXZ> no...says uploading data too
[16:03] <N2NXZ> let me get it outside again and get it running
[16:03] <N2NXZ> brb
[16:04] <mfa298> you'll need callsign and lat/long/altitude set in dl-fldigi at which point an antenna should appear on the map in your location which at least proves that dl-fldigi it talking to habitat
[16:05] <mfa298> you can upload strings without that set but it's a useful test that the communication is happening
[16:05] <mattbrejza> the payload should appear without a valid lisnter loation though
[16:06] <N2NXZ> I filled out the info on genpayload site,goofed a few up and they show in the TEST portion of flights on DL-Fldigi prog
[16:06] <N2NXZ> N2NXZ-7
[16:06] <N2NXZ> I gotta hook the wires back to this and get it outdoors for signal.
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[16:07] <craag> Everyone goofs a few
[16:07] <craag> That's why the list is soo big!
[16:07] <N2NXZ> my fault,changed the code and had the wrong shift for rtty
[16:08] <mattbrejza> wrong shift doesnt matter, you can change it manually
[16:08] <mattbrejza> in fldigi
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[16:12] <N2NXZ> Waiting for gps lock
[16:13] <N2NXZ> i better check my connections...just in case.I am in the basement so gotta run up and down stairs
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[16:15] Nick change: nigelvh -> HeavyChevy
[16:16] Nick change: HeavyChevy -> nigelvh
[16:17] <N2NXZ> I better upload the sketch again...maybe it is confused from all the programming
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[16:23] <OZ1SKY_Brian> Ron_G8FJG Hi Ron got your email
[16:23] <OZ1SKY_Brian> im at 144.698.9 @ 1274Hz
[16:24] <OZ1SKY_Brian> correction
[16:24] <OZ1SKY_Brian> im at 144.698.9 @ 1255Hz
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[16:25] <N2NXZ> Battery was dead...running now
[16:25] <N2NXZ> $$N2NXZ-7,1,16:24:55,43.326138,-77.766617,125.2,4978.86,1,0.40,5*872D...checksum good
[16:30] <aadamson> N2NXZ, - if you are sending, but not seeing... you needed to just to a payload document, not a flight... and you can check the parser tail here - http://habitat.habhub.org/logtail/
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[16:30] <N2NXZ> logtail showing success
[16:31] <N2NXZ> Maybe I filled out the wrong docs
[16:31] <aadamson> ok, so did you do a flight document or a payload?
[16:31] <N2NXZ> let me check
[16:32] <N2NXZ> i did crreate new payload config
[16:32] <aadamson> yes, n2nxz-7 right?
[16:32] <N2NXZ> yes
[16:32] <N2NXZ> the last on the list
[16:32] <aadamson> k, let me look for a minute
[16:32] <mfa298> I can't see anything appearing in the logtail
[16:33] <mattbrejza> [2014-07-10 16:32:25,075] DEBUG habitat.parser MainThread: No configuration doc for 'N2NXZ-7' found
[16:33] <N2NXZ> it drifted off,i got it logging again
[16:33] <aadamson> N2NXZ, you didn't specify a *format* in the parser configuration
[16:34] <aadamson> you can copy paste your above into the wizard and it will help with that
[16:34] <N2NXZ> Do I need to start over of redo what I have?
[16:34] <aadamson> just edit that one
[16:34] <N2NXZ> ok
[16:34] <mattbrejza> select start form existing, not sure you can actually edit
[16:35] <craag> Edit creates a new one, with the contents of the old - so just imagine it's editing
[16:35] <aadamson> yeah, that's what I meant :)
[16:35] <mattbrejza> oh i see
[16:35] <aadamson> you'll then need to add the lat 5 values for what they are, the first ones the wizard can detect
[16:35] <OZ1SKY_Brian> Sent LA3EQ an email, SP3OSJ is getting away from me soon
[16:36] <aadamson> Ah, looks like there is a chance that SLEET may make landfall before it runs out of altitude... fingers crossed
[16:37] <N2NXZ> Waht does the yellow and pink hilites mean in my string when I paste it
[16:38] <N2NXZ> field name / type?
[16:39] <aadamson> the Yellow one is the one currently selected, the pink ones are ones you'll have to add the field type etc too
[16:39] <aadamson> if you like I can try to do it for you?
[16:39] <N2NXZ> please do...lol
[16:40] <N2NXZ> Never did this part before
[16:40] <aadamson> ok, what is the value after the long?
[16:40] <aadamson> alt?
[16:41] <aadamson> $$N2NXZ-7,1,16:24:55,43.326138,-77.766617,125.2,4978.86,1,0.40,5*872D
[16:41] <aadamson> in that string, I need to know what the last 5 values are
[16:41] <aadamson> not includig the checksum
[16:41] <aadamson> ?
[16:41] <N2NXZ> crap,i do not know
[16:41] <aadamson> and actuall, if you are ok, let's move this to #habhub?
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[16:41] <aadamson> I'll meet you there
[16:45] <aadamson> N2NXZ, can you meet me in #habhub so we don't put all the back and forth on this channel?
[16:45] <N2NXZ> I am there
[16:46] <aadamson> #habhub? you aren't :)
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[16:47] <aadamson> opps, scared him away, maybe he'll show up in the other channel in a few mins
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[16:53] <Laurenceb_> i wonder if anyone in uk can get SP3OSJ over the horizon
[16:54] <arko> its headed for fsphil
[16:55] <arko> i wouldn't get his hopes up though :/ http://earth.nullschool.net/#current/wind/isobaric/500hPa/orthographic=9.06,50.00,1195
[16:57] <es5nhc> What, SP3OSJ is still up and sending?!
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[16:59] <arko> looks like it will head north
[16:59] <aadamson> arko, that is very cool... can it do *forecasted* winds or just current conditions
[16:59] <aadamson> ?
[16:59] <arko> its current GFS
[16:59] <aadamson> ah, very nice
[17:00] <aadamson> and you just drag around to move its view
[17:01] <aadamson> woo, hoo you can do perdiction
[17:01] <mattbrejza> it can do future/past data though
[17:01] <aadamson> prediction
[17:01] <aadamson> mattbrejza, just figured that out, now need to figure out ASL from hPa :)
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[17:03] <arko> oh right
[17:03] <aadamson> http://earth.nullschool.net/about.html ah the cheat sheet :)
[17:04] <arko> the ocean data is pretty cool too
[17:05] <arko> you can only project about a day ahead
[17:06] <arko> man this thing loves heat the graphics card
[17:06] <aadamson> I"m up to the 14th with no issue
[17:06] <aadamson> 15th no data
[17:06] <arko> hmm
[17:06] <arko> seems so
[17:06] <arko> neat
[17:07] <aadamson> wow, that is the coolest thing and you can overlay RH, etc
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[17:07] <aadamson> weather is updated every 3 hours, other stuff less frequent
[17:07] <LeoBodnar> it's pretty but useless
[17:07] <arko> its a visualizer
[17:08] <arko> not really helpful for habs
[17:08] <LeoBodnar> exactement
[17:08] <arko> its nice to see the vector field
[17:08] <LeoBodnar> Apple+T
[17:08] <arko> very pretty though
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[17:09] <LeoBodnar> it's fully determined
[17:10] <LeoBodnar> while if you look at sat24.com you see where possible bifurcation points along the track might be
[17:10] <LeoBodnar> tumbledryer areas
[17:10] <amell> 14/7 10am looks very hab unfriendly.
[17:11] <arko> what cool is the ocean data and all the little vortecies
[17:11] <arko> whats8
[17:11] <arko> *
[17:12] <ak4rp> LeoBodnar, how much juice are you getting into the antenna on 70 cm?
[17:13] <ak4rp> vs APRS?
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[17:15] <LeoBodnar> about same 10mW
[17:16] <ak4rp> Im p*ssed, I cant hear B-63 whereas you are hitting igates in western Hungary :)
[17:16] <ak4rp> I cant figure why
[17:16] <LeoBodnar> oh
[17:16] <ak4rp> also I know OM3BC with an EME class station is wondering about the same :)
[17:16] <LeoBodnar> oh, so you both can't hear it?
[17:17] <bertrik> oh nice! SP3OSJ coming this way :)
[17:18] <ak4rp> no, we cant. I mean, its no wonder I cant, but it is strange that somebody well within the contour using 4x thirty something yagi cant. Im really sad :)
[17:20] <ak4rp> are you using the same matching network for both bands?
[17:20] <LeoBodnar> yes
[17:21] <Maxell> yay we Dutchies get to tracker SP3OSJ-12 \o/
[17:23] <ak4rp> alright, next time put some thrusters on board and ensure it flies right over my roof.
[17:25] <LeoBodnar> ok ak4rp :D
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[17:28] <fsphil> ah that other pico is still heading this way
[17:28] <fsphil> is it predicted to turn at all?
[17:29] <fsphil> looks like it might be turning south now
[17:29] <arko> only hysplit or time will tell
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[17:30] Action: fsphil peers into the crystal ball
[17:30] <fsphil> I see .... crystal
[17:31] <myself> tell her I said hi
[17:37] <arko> http://ready.arl.noaa.gov/hypubout/162505_trj001.gif
[17:37] <arko> sorry fsphil
[17:38] <LeoBodnar> Model fail
[17:38] <arko> uh oh
[17:38] <arko> what did i do?
[17:38] <LeoBodnar> unless you expect SP3OSJ to lose all lift
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[17:39] <arko> hmm
[17:39] <LeoBodnar> it's SP so isobaric at first approximation
[17:40] <arko> ah shit
[17:40] <arko> good catch
[17:41] <arko> no wonder the altitude profile looks so wacky
[17:44] <jarod> freq of SP3OSJ please
[17:44] <OZ1SKY_Brian> 144,698,9 here atm
[17:44] <jarod> 2 meter? :O
[17:44] <OZ1SKY_Brian> yes
[17:44] <arko> http://spacecollege.org/isee3/isee-3-reboot-project-seeks-your-help-to-solve-a-technical-problem.html
[17:44] <jarod> where does one find these freqs?
[17:45] <OZ1SKY_Brian> in dl-fldigi
[17:45] <jarod> doh!
[17:45] <jarod> :)
[17:45] <OZ1SKY_Brian> :)
[17:45] <jarod> mode?
[17:45] <jarod> usb/rtty ?
[17:46] <OZ1SKY_Brian> rtty 100/450
[17:46] <jarod> 144.708 i got something, probably not it
[17:46] <OZ1SKY_Brian> set flight for sp3osj and just hit autoconfigure in dl-fldigi. that takes care of it
[17:47] <jarod> i did
[17:47] <OZ1SKY_Brian> no thats abit far off
[17:47] <jarod> is it pulsing?
[17:47] <OZ1SKY_Brian> yes on the lower and higher rtty tone
[17:47] <jarod> no mean, every few minutes a big pulse or continuous?
[17:48] <OZ1SKY_Brian> every 4-5sec
[17:48] <jarod> i see rtty on 144.708 only
[17:49] <jarod> rtlsdr ...
[17:49] <jarod> set sdrsharp in usb mode?
[17:49] <OZ1SKY_Brian> yes
[17:49] <jarod> 2400hz wide? (2.4 khz)
[17:49] <jarod> or smaller?
[17:49] <OZ1SKY_Brian> try what gives you the best signal
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[17:50] <fsphil> arko: that doesn't sound good
[17:51] <arko> its not good
[17:51] <arko> http://www.spacenews.com/article/civil-space/41197curtain-falls-on-isee-3-reboot-project-as-propulsion-system-fails
[17:51] <arko> looks like they were venting hydrazine
[17:51] <jarod> OZ1SKY_Brian can you meak a fldigi waterfall screenshot of the signal?
[17:51] <arko> not getting a burn
[17:51] <fsphil> :/
[17:52] <Laurenceb_> arko: looks like the N2 diffused out of the valves slowly when it was unused
[17:52] <fsphil> amazing effort though
[17:52] <OZ1SKY_Brian> jarod its well outside your area, so thats normal
[17:52] <jarod> yes, but i live up very high
[17:53] <jarod> if i know what to look for....
[17:53] <Maxell> jarod: regular rtty just spread out 450 hz
[17:53] <jarod> yes, but a screenshot please
[17:53] <arko> "After eliminating a malfunctioning valve as the cause of the problem, the ISEE-3 Reboot Project was forced to conclude that the satellites hydrazine fuel simply was not being pushed through its plumbing at the right pressure to conduct a burn."
[17:53] <arko> :(
[17:53] <Maxell> oh lemme check
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[17:54] <arko> Laurenceb_: the lack of N2 pressure meant the hydrazine couldn't be pressured correctly to burn?
[17:54] <arko> just making sure im reading all this right
[17:55] <OZ1SKY_Brian> ok will make one
[17:55] Nick change: Guest67092 -> oh6gzt
[17:56] <OZ1SKY_Brian> jarod http://i58.tinypic.com/dcwlk0.jpg
[17:56] <Maxell> jarod: this is how a weak rtty signal looks like https://i.imgur.com/HgIW4NV.png
[17:56] <jarod> ok
[17:57] <jarod> http://x264.nl/dump/2013/habanero-434.250mhz-2013-06-30-0939utc.jpg
[17:57] <Herman-PB0AHX> Maxell: u rcvd sp3osj now ??
[17:57] <jarod> kinda like that then, ok ok
[17:57] <Maxell> Helios_Reaper: no that is some older pickter
[17:57] <Maxell> picture
[17:57] <jarod> then this signal on 144.708 is more like a submarina VLF carrier :P
[17:58] <Maxell> jarod: yes just rtty :P
[17:58] <Herman-PB0AHX> Maxell:wow i go look if i can find him
[17:58] <jarod> http://x264.nl/dump/144.708mhz-2014-07-10.png
[17:58] <Maxell> ff wachten :) http://spacenear.us/tracker/?filter=SP3OSJ
[17:58] <jarod> thats how my 144.700 looks now
[17:59] <OZ1SKY_Brian> jarod .nl is pretty much under water as well, so that makes good sense :-)
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[17:59] <OZ1SKY_Brian> under water line i mean
[17:59] <jarod> yup :0
[17:59] <jededu> SLEET Still going down then its had a good run
[18:00] <Maxell> OZ1SKY_Brian: yes but jarod has this supurb rx location :P
[18:00] <jarod> 144.725 MHz = NFM voice :)
[18:00] <jarod> ah they have finished :)
[18:01] <jarod> that spectrum is zoomed btw
[18:01] <OZ1SKY_Brian> Maxell ok :)
[18:01] <jarod> how late could it be over .nl?
[18:01] <jarod> eating now... then going for a run... and up all night
[18:02] <OZ1SKY_Brian> it might not go to .nl
[18:02] <jarod> ok
[18:03] <OZ1SKY_Brian> arko made a predict http://ready.arl.noaa.gov/hypubout/162505_trj001.gif
[18:03] <jarod> ah
[18:03] <arko> OZ1SKY_Brian: i had to redo it, http://ready.arl.noaa.gov/hypubout/162830_trj001.gif
[18:03] <OZ1SKY_Brian> we´ll see
[18:03] <OZ1SKY_Brian> arko ah ok, but not much better
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[18:04] <mikestir> fsphil's got his pico repeller on again then
[18:04] <arko> isobaric throughout the flight
[18:04] <Maxell> x-f: what kind of units for speed? http://x-f.lv/dev/habitat-graphs/payload/SP3OSJ#g/_speed
[18:04] <Maxell> km/h or m/s?
[18:04] <LeoBodnar> Laurenceb_: transition from ascent to descent was too fast for diffusion
[18:07] <LeoBodnar> km/h Maxell
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[18:09] <Joekul> Go Sleet, go, reach the shore of Bretagne!
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[18:11] <sq5> Hi! can www automatic counting heading?
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[18:12] <mikestir> ?
[18:12] <mikestir> was that some kind of captcha?
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[18:13] <Joekul> too bad it has just passed all nearby hams horizon....
[18:14] <fsphil> muhaha, pico repeller working perfectly
[18:14] <mikestir> seems you've increased its field strength as well
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[18:22] <OZ1SKY_Brian> nobody in north NL today?
[18:23] <Tjalling_PE1RQM> I'm a receiver in the middle of NL
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[18:27] <Herman-PB0AHX> hi Tjalling_PE1RQM
[18:28] <PE0SAT> Hi Herman-PB0AHX
[18:28] <Tjalling_PE1RQM> Hi Herman
[18:28] <Herman-PB0AHX> he die Jan alles ok
[18:28] <Tjalling_PE1RQM> en jan :)
[18:29] <PE0SAT> Fine, tracking Ukube and DX-1 at the moment
[18:29] <PE0SAT> Hi Tjalling_PE1RQM
[18:29] <LeoBodnar> have you had any luck ak4rp
[18:29] <LeoBodnar> ?
[18:29] <Herman-PB0AHX> ukube in cw
[18:29] <PE0SAT> And sometimes BPSK
[18:29] <PE0SAT> FUNcube-2 is also sending now and then
[18:30] <Herman-PB0AHX> ues i know jan but i only follow Funcube1 and DelfiC3 an afcorse lot of ballons
[18:30] <Tjalling_PE1RQM> I hope that SP3OSJ is coming over NL later
[18:31] <ak4rp> LeoBodnar no, not yet, no really good antenna right now, and a high noise floor
[18:31] <PE0SAT> The lady (DO-64) has a lot of start/stop TX lately
[18:31] <Herman-PB0AHX> Tjalling_PE1RQM: yes i hope sp3osj is comming to us
[18:31] <Tjalling_PE1RQM> is he at 437.7?
[18:31] <ak4rp> I have to get my neighbours to dump their crappy ISM stuff.
[18:32] <Herman-PB0AHX> yes jan last 3 monds lot of start stop
[18:32] <Herman-PB0AHX> but i writing everyday
[18:33] <Herman-PB0AHX> sorry people for my bad englisch writing some times
[18:33] <PE0SAT> We will keep listening to her till the end :D
[18:33] <Tjalling_PE1RQM> My English is even worse Herman, don't worry :)
[18:33] <Herman-PB0AHX> hihihihih fun
[18:34] <PE0SAT> I call it a day, goodbye all. De groeten Tjalling en Herman ;-)
[18:34] <Herman-PB0AHX> see u later jan 73
[18:35] <PE0SAT> 73
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[18:35] <ProSpectre> evening
[18:37] <Tjalling_PE1RQM> By jan
[18:37] <Tjalling_PE1RQM> bye :)
[18:38] <fsphil> seems to be a rather huge thunderstorm over NL atm
[18:38] <fsphil> and DE
[18:38] <duckmann> Last frame I received from SLEET : $SLEET8619,18:037,48.44533,-4.93105,4891.7l1qq6,0;1FF4 (not valid)...
[18:39] <jededu> Gone
[18:40] Action: arko gets out the bag pipes
[18:41] <fsphil> nah, it'll turn up :)
[18:41] <Maxell> LeoBodnar: ack
[18:42] <mattbrejza> http://predict.habhub.org/#!/uuid=5cbecab5ebb7612fafcc7a6cf01095524fe722f6
[18:42] <mattbrejza> looks wet :(
[18:42] <arko> aww
[18:43] <LeoBodnar> it will float majestically to the beach
[18:44] <LeoBodnar> float of the third kind
[18:45] <duckmann> big stream in this place ...
[18:57] <arko> https://twitter.com/ISEE3Reboot/status/487307877355618304
[18:57] <arko> hahahaha
[18:58] <jarod> what i hate on spacenear us... the line colors change on each new visit
[18:58] <fsphil> not a fan of it killing my browser each time
[19:02] <jonsowman> arko: poor ISEE :(
[19:02] <arko> :/ yep
[19:02] <jonsowman> sad
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[19:03] <myself> It's not dead yet.
[19:03] <arko> still amazing what they have done
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[19:06] <mattbrejza> i thought they had only tried tank A, seems not though
[19:09] <OZ1SKY_Brian> jarod how is it going, hearing anything yet?
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[19:11] <Tjalling_PE1RQM> Hi Bryan, is SP3OSJ at 144.7 MHz?
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[19:15] <OZ1SKY_Brian> im at 144.698.9 right now
[19:17] <Tjalling_PE1RQM> ok, thanks, I'm hoping he is coming near my place (middle of NL)
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[19:18] <OZ1SKY_Brian> lets hope so
[19:19] <Tjalling_PE1RQM> I'm standby :) Thanks for info Brian
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[19:28] <amell> theory is the nitrogent propellant has dissolved into the hydrazine apparently, due to age.
[19:28] <LeoBodnar> i can't see this possible
[19:28] <LeoBodnar> "dissolved" ?
[19:29] <amell> yes. combined
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[19:30] <LeoBodnar> not "reacted" but "dissolved"
[19:30] <amell> yes, dissolved into hydrazine
[19:30] <amell> http://spacecollege.org/isee3/isee-3-reboot-project-seeks-your-help-to-solve-a-technical-problem.html
[19:30] <LeoBodnar> it's like saying in 2000 years all air dissolved in water
[19:30] <amell> nitrogen is used as a pressurizer
[19:31] <LeoBodnar> age does not matter
[19:31] <amell> why not? if it has a low solubility.
[19:32] <LeoBodnar> i don't have figures at hand but it sounds like "radiation event"
[19:32] <LeoBodnar> it probably migrated through the valves
[19:32] <LeoBodnar> N2
[19:33] <amell> i thought the N2 was behind the hydrazine. i.e. hydrazine is on the contact face of the valve
[19:33] <LeoBodnar> and its partial pressure went to zero?
[19:33] <amell> and the spin rate keeps it there
[19:33] <amell> it wasnt coming out basically
[19:34] <amell> they dont have a sensor to measure nitrogen pressure
[19:34] <Boelle_DK> OZ1SKY_Brian: hi there
[19:34] <Boelle_DK> a fellow dane arround
[19:34] <Boelle_DK> and just the one i have been looking for :-D
[19:35] <Boelle_DK> The words are that you have launched a HAB from danish soil?
[19:37] <OZ1SKY_Brian> yes but only once and i only did the radio tracker
[19:37] <Boelle_DK> oki... i just wondered how hard it was to get the permit to launch
[19:37] <OZ1SKY_Brian> i didnt realy have anything to do with the ballon itself
[19:37] <LeoBodnar> amell I am just speculating based on gut feeling
[19:37] <Boelle_DK> oki
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[19:38] <OZ1SKY_Brian> i think it was something like 2000-2500dkr for the permit from trafikstyrelsen
[19:38] <Boelle_DK> i just asked "trafikstyrelsen" about it... say its 900dkk an hour
[19:38] <amell> Leobodnar: fair enough, but they know the valves are working, as the accelerometer shows blips when the latch valve actuates
[19:38] <Boelle_DK> and they did not even have a form for it
[19:38] <OZ1SKY_Brian> sounds about right.
[19:39] <Boelle_DK> so had to use one for toybaloons
[19:39] <Boelle_DK> its just crazy... if its only for a single permit...
[19:39] <OZ1SKY_Brian> i didnt the launch with skals efterskole
[19:39] <OZ1SKY_Brian> didnt=did
[19:40] <Boelle_DK> i can understand why people are tempted to call it an acident and just let go
[19:40] <Boelle_DK> but on the other hand if i could get a permanent permit i would be nice
[19:40] <OZ1SKY_Brian> Boelle_DK its possible to get a permit for a year at a time, but i cant remember the rules
[19:40] <OZ1SKY_Brian> It was not me doing the permit stuff
[19:41] <Boelle_DK> nope.... just talking here...
[19:41] <mikestir> and what's the fine for saying whoops?
[19:41] <OZ1SKY_Brian> mikestir i dont think you want to find out
[19:41] <Boelle_DK> mikestir: as i read the rules... the risk was jailtime
[19:42] <Boelle_DK> but the fine would be double price of permit
[19:42] <Boelle_DK> at least
[19:42] <Boelle_DK> with luck
[19:42] <OZ1SKY_Brian> Boelle_DK or try to contect flyvestation karup, i think they still launch for the metro service. Maybe you can pigyride
[19:43] <Boelle_DK> yeah.... filled out one page...
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[19:44] <Boelle_DK> would really like it to be safe for them... in what ways could i give them direct access to the GPS data that the tracker sends out?
[19:44] <Boelle_DK> is APRS enough?
[19:44] <OZ1SKY_Brian> safe for who?
[19:44] <Herman-PB0AHX> is sp3osj also transmitting cw ????
[19:44] <Boelle_DK> a radar reflector would be the minimum of course
[19:44] <OZ1SKY_Brian> Herman-PB0AHX yes
[19:44] <Boelle_DK> safe for planes and other in the sky
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[19:45] <Boelle_DK> ie... let them know where the baloon is
[19:45] <Boelle_DK> of course the thing coming down is another thing
[19:45] <Maxell> Herman-PB0AHX: should be around 144,700 MHz rtty
[19:45] <Maxell> and aprs on 144.800 MHz
[19:45] <OZ1SKY_Brian> Boelle_DK they know from the data the wx probe sends out
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[19:45] <Boelle_DK> it has to be padded in plenty of foam
[19:45] <Boelle_DK> wx?
[19:46] <Herman-PB0AHX> i hrd pip pip pip than rtty and cw
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[19:46] <OZ1SKY_Brian> the weather radio sonde they use
[19:46] <OZ1SKY_Brian> Herman-PB0AHX nice, then i can hand over soon
[19:46] <Boelle_DK> oh yes... but if i launch on my own
[19:46] <Herman-PB0AHX> on 144.699.7
[19:47] <OZ1SKY_Brian> Herman-PB0AHX that should right
[19:47] <Herman-PB0AHX> OZ1SKY_Brian: i hope but not yet writing here
[19:49] <Boelle_DK> would an airport be able to use APRS for anything usefull? or do i need some more fancy system ? total newbie still
[19:49] <Maxell> Herman-PB0AHX: are you serious? That would be some very nice DX!
[19:50] <Herman-PB0AHX> yes maxel
[19:50] <Maxell> Awesome!
[19:51] <Maxell> jarod: you should check again... You might also have good shot at it!
[19:51] <Laurenceb> amell: the N2 could have leaked out anywhere
[19:52] <Laurenceb> e.g. through the N2 fill system
[19:52] <amell> agreed. I did wonder about micrometeorite damage to tank.
[19:52] <amell> its been in space a very long time
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[19:57] <Tjalling_PE1RQM> Herman, is your 2m antenna also a yagi?
[19:57] <Boelle_DK> any of you know what systems an airport can use to "see" a HAB? that i could install on a HAB....
[19:58] <myself> a radar retroreflector?
[19:58] <Laurenceb> you _want_ to get in trouble with ATC?
[19:58] <Boelle_DK> something electronic
[19:58] <Boelle_DK> Laurenceb: no i just want to tell the world arround me where the heck the HAB is
[19:58] <Boelle_DK> in a precise manner
[19:59] <LeoBodnar> world does not care
[19:59] <mikestir> what makes you think they want anything more than a decent radar sig?
[19:59] <LeoBodnar> planes eat balloons for breakfast
[19:59] <Laurenceb> more likely some ATC person would get confused and freak out
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[19:59] <Maxell> mogguh Tjalling_PE1RQM
[19:59] <Boelle_DK> well i gues the more precise the better
[19:59] <mikestir> do you think gps is better than primary radar?
[19:59] <Tjalling_PE1RQM> Mogguh Maxell
[19:59] <LeoBodnar> NOBODY CARES Boelle_DK
[20:00] <LeoBodnar> ATC is not going to track your balloon
[20:00] <OZ1SKY_Brian> Boelle_DK we gave the ATC the link for the tracking page, but they didnt seem to care.
[20:00] <Boelle_DK> hmm... well i just got an idea for how to pack up the tracker....
[20:01] <Boelle_DK> inside a giant red/white F finger
[20:01] <OZ1SKY_Brian> and we didnt have any restrictions on radar reflector etc.
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[20:01] <Maxell> Tjalling_PE1RQM: I think so :O http://www.pb0ahx.nl/mast1.jpg
[20:01] <OZ1SKY_Brian> apply and folow the rules, thats it. no need to make it more complex
[20:01] <LeoBodnar> lol of course [20:59] <mikestir> do you think gps is better than primary radar?
[20:01] <LeoBodnar> primary radar is crap
[20:01] <Boelle_DK> oh well... over protective i guess
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[20:02] <Tjalling_PE1RQM> Certainly Maxell :) Thats nice
[20:02] <Maxell> Laurenceb: yes like "holy shit what is is unidentified thing on the radar I can't see but is on the radar!11"
[20:02] <Laurenceb> yeah
[20:02] <Laurenceb> exactly
[20:02] <Boelle_DK> and i know a baloon in jet engine is toast to the baloon but the engine would not notice
[20:02] <amell> what about AA batteries in a jet engine?
[20:03] <Boelle_DK> or lipos
[20:03] <Laurenceb> yeah they might nick some turbine blades
[20:03] <Laurenceb> lipos would be ok
[20:03] <LeoBodnar> lipo is aluminium foil
[20:03] <LeoBodnar> with a fe grams of petrochemicals
[20:03] <Boelle_DK> oh well... need to get the 3D printer running and fine tuned
[20:04] <Boelle_DK> and then find a python book for real dummies
[20:04] <LeoBodnar> s/alu foil/PE/
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[20:04] <Maxell> LeoBodnar: radar is teh sux?
[20:04] <LeoBodnar> primary yes
[20:05] <Maxell> Do want this tho http://robinradar.nl/systems/3d-flex
[20:05] <Maxell> might drive down there and chop one down >:)
[20:07] <mfa298> Boelle_DK: if you were going to fly anything that airports use to tell them where planes are (e.g. ads-b) it's likely to require suitable approval and licenses and be excessivly expensive and heavy.
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[20:08] <Boelle_DK> well i was just over protective
[20:08] <Boelle_DK> so idea scrapped
[20:09] <Boelle_DK> need to collect a big pile of cash that i dont know what to use for... then use them for a permit
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[20:09] <Boelle_DK> get a ham license so i can setup a APRS igate and repeater
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[20:10] <Boelle_DK> then i can worrie about planes
[20:10] <Boelle_DK> or not :-D
[20:10] <Maxell> LeoBodnar: new HAB tracking setup? :) https://www.youtube.com/watch?v=9Cqnbyb5t18&t=5m
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[20:12] <OZ1SKY_Brian> nice
[20:14] <Boelle_DK> well off.... need to thinker with printer... then learn some python
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[20:15] <Lunar_Lander> hello
[20:17] <Maxell> Hi there
[20:18] <Maxell> PA3DJR will be the first .nl to be in range?
[20:18] <Maxell> yep he RX'ed
[20:21] <Herman-PB0AHX> dat ben ik maxel via pa3djr jan in wolden dorp
[20:22] <Herman-PB0AHX> ik gebruik zijn antennes en receiver nu
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[20:24] <Herman-PB0AHX> jan en ik zitten nu via skype te babbelen
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[20:28] <OZ1SKY_Brian> looks like pa3djr have it now, i will just of the tracking for abit
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[20:32] <Tjalling_PE1RQM> I still don't hear anything Brian, but I do'n have a yagi.
[20:34] <amell> m0xer-3 temp is -57.4C yow!
[20:36] <amell> B-63 and SP9UOB will shortly intersect paths.
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[20:39] <ProSpectre> off for today ... bye
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[20:55] <Maxell> Herman-PB0AHX: goed bezig!
[20:56] <Maxell> weer iemand met het ballon virus geinfecteerd :)
[20:56] <Tjalling_PE1RQM> Hoe meer, hoe beter Maxell. Ik ben ook een stuk aan het schrijven op mijn site om anderen warm te maken
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[20:58] <Maxell> Zeker weten! Misschien ook leuk voor de Electron of het VRZA blad? Of hamnieuws.nl
[20:59] <Tjalling_PE1RQM> Dat kan idd. Alleen dan moet mijn stuk wel foutloos zijn. Het staat in concept op mijn site. Maar eens over nadenken
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[21:14] <vcazan> Hello, My name is Vlad and I am from Toronto Canada. I have been started researching about launching my own balloon and have found the spacenear us tracker. I noticed that almost all of the stations were in Europe and non in Canada. Does this mean that the tracker can only be used in Europe or can I still use it in Canada with my own sole antenna? Thanks for your help.
[21:17] <LZ1DEV> We can't use APRS for balloons, while I am not sure Canada, the US it would be easier to go APRS
[21:17] <mfa298> vcazan: there's nothing to stop you using the system although you'll need to look up the legalities
[21:18] <LZ1DEV> there are lots for repeaters and igates that hear your balloon
[21:18] <LZ1DEV> then you can track on something like aprs.fi
[21:18] <mfa298> if you do use the spacenear.us system with dl-fldigi you may want to recruit other local stations to help receive it
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[21:18] <James_R> Hi, anyone able to help with an sdr tracker question
[21:19] <mfa298> James_R: it's best to just ask the question then anyone that can answer will do.
[21:19] <OZ1SKY_Brian> im back @ tracking
[21:19] <James_R> Got this far but total novice http://imgur.com/CXaVGOo
[21:20] <vcazan> Yeah my issue is APRS requires a callsign and I would like to avoid it. APRS is really extensive in Toronto with more then 20 people listening so I can find someone to help me out with the call sign but just wanted to do it as a one time thing.
[21:20] <James_R> can hear a rtty signal but can't decode it
[21:20] <Tjalling_PE1RQM> Try the reverse button on the right (Rv)
[21:21] <mfa298> James_R: for most balloons you need to set sdr# to USB
[21:21] <mfa298> not WFM as it is in that shot
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[21:22] <Tjalling_PE1RQM> James, when looking at your image, I don't think that is RTTY
[21:22] <mfa298> vcazan: you may the frequencies we use in Europe also need a license - but there should be other license free frequencies you can use
[21:22] <OZ1SKY_Brian> it looks like rtty to me
[21:22] <James_R> Wow, imediately deafening
[21:23] <Tjalling_PE1RQM> Oh sorry, I didnt see the WFM button.
[21:23] <Tjalling_PE1RQM> Have you set it at USB now James
[21:23] <Tjalling_PE1RQM> ?
[21:24] <James_R> yeah, sounds very clear but no decode still
[21:24] <James_R> screen shot coming
[21:25] <mfa298> you'll want to select the flight your interested in in dl-fldigi and select autoconfigure - that should get most of the settings you want correct
[21:26] <James_R> yeah have done that
[21:26] <James_R> imgur being slow
[21:26] <Tjalling_PE1RQM> No need to hurry james :)
[21:27] <mfa298> is it an active flight you're tying to track or is it your own payload
[21:27] <Herman-PB0AHX> pa3djr have a lot of qrm on 2 mtr now for receiving sp3osj
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[21:29] <James_R> my own payload sat 10cm from antenna
[21:29] <vcazan> I have found out that I can use 462-467 MHz in Canada without a license. But then what do I put as the call sign just anything?
[21:29] <James_R> http://imgur.com/4ZrWKkg
[21:30] <OZ1SKY_Brian> James_R you havent set flight.
[21:30] <OZ1SKY_Brian> Go to flight dropdown box and select sp3osj and then hit "auto-configure"
[21:30] <mfa298> James_R: you need to get the red lines (which you can set by clicking on the dl-fldigi waterfall) over the yellow bars (and the bit that's showing red in there)
[21:31] <OZ1SKY_Brian> and set the two red marker lines on top of the two red lines on the waterfall.
[21:31] <mfa298> OZ1SKY_Brian: it's his own payload - so won't be in the flights drop down.
[21:31] <aadamson> I think there s something else wrong there. The signal indicator over on the right is very low
[21:31] <OZ1SKY_Brian> mfa298 OH! i didnt notis that
[21:32] <mfa298> vcazan: you can use anything as a callsign - probably stick to something that doesn't look like a HAM callsign.
[21:32] <Tjalling_PE1RQM> Turn off Rv James
[21:33] <James_R> yes!
[21:33] <James_R> Got it :D
[21:33] <mikestir> vcazan: but check you can use that band airborne, and watch out for restrictions. e.g some license exempt bands restrict you to a relatively short duty cycle of maybe 10%, 1% or less per hour
[21:33] <mfa298> James_R: you'll need to set the rtty settings in dl-fldigi to match whatever is configured on your payload
[21:33] <Tjalling_PE1RQM> Thats nice!
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[21:35] <vcazan> mikestir: thanks for pointing that out I will check, so many rules, its for the best I guess
[21:35] <vcazan> mfa298: thanks for the tip about avoiding ham callsigns
[21:36] <lbm> OZ1SKY_Brian: On which frequency do you receive RTTY from SP3OSJ?
[21:37] <James_R> You guys are ace! http://imgur.com/JycEc3T thanks
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[21:38] <aadamson> you can tune the RX up or down a little as well to move the frequencies into the center of the pass band
[21:38] <Tjalling_PE1RQM> Great James :) Remember that you upload your telemetry at this moment
[21:40] <Tjalling_PE1RQM> Are you in Cambridge?
[21:40] <OZ1SKY_Brian> lbm right now 144.698.0
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[21:40] <lbm> OZ1SKY_Brian: Thanks.
[21:41] <lbm> OZ1SKY_Brian: Is RTTY active at the moment?
[21:41] <OZ1SKY_Brian> yes
[21:41] <OZ1SKY_Brian> stopped now
[21:41] <OZ1SKY_Brian> beebs
[21:42] <OZ1SKY_Brian> rtty again
[21:42] <OZ1SKY_Brian> rtty stopped, beebs again
[21:43] <lbm> I have zoned it in, thanks.
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[21:47] <OZ1SKY_Brian> lbm cw now
[21:47] <malclocke> with RFM22b, do people tend to implement any kind of filters on TX?
[21:47] <lbm> OZ1SKY_Brian: Yes, I can hear, but too weak for dl-fldigi. I'm using an RTL dongle btw.
[21:48] <OZ1SKY_Brian> maybe you should get a preamp for it
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[21:49] <lbm> OZ1SKY_Brian: I got a cheap one, but not enough.
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[21:49] <OZ1SKY_Brian> http://ava.upuaut.net/store/index.php?route=product/category&path=72_73
[21:49] <lbm> OZ1SKY_Brian: Oh, narrowing the bandwith in SDR# seems to help. Let's see.
[21:53] <Tjalling_PE1RQM> lbm, sometimes it's usefull to play a bit with the gain of the tunerchip.
[21:53] <Tjalling_PE1RQM> Max, or Tuner AGC on is not allways the best
[21:53] <OZ1SKY_Brian> SP3OSJ turned around now
[21:53] <OZ1SKY_Brian> heading north west
[21:54] <lbm> Tjalling_PE1RQM: Currently on Tuner AGC. I'll try disabling.
[21:54] <Tjalling_PE1RQM> Just tune the slider to see when you have the best balance between noise and signal
[21:55] <Tjalling_PE1RQM> In most cases AGC is allright btw.
[21:55] <lbm> Tjalling_PE1RQM: RF Gain is on RTL or tuner?
[21:55] <Tjalling_PE1RQM> Only tuner AGC
[21:55] <lbm> It seems tuner AGC is required to even hear the signal.
[21:56] <Tjalling_PE1RQM> Then it is really weak indeed :)
[21:56] <lbm> I get ~60% of the RTTY.
[21:56] <lbm> With tuner AGC.
[21:56] <lbm> Maybe I should try my yagi.
[21:56] <Tjalling_PE1RQM> I leave tuner AGC on in most cases, but it was worth trying
[21:57] <Tjalling_PE1RQM> Is it a vertical polarised yagi?\
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[22:06] <Tjalling_PE1RQM> I'm going offline. When SP3OSJ is returning towards the south again, I'll be back for receiving. Bye!
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[22:08] <OZ1SKY_Brian> GN Tjalling_PE1RQM
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[22:08] <Tjalling_PE1RQM> GN brian
[22:10] <Maxell> damnit SP3OSJ why u do dis
[22:17] <OZ1SKY_Brian> thats what you call a u-turn
[22:18] <Lunar_Lander> good night
[22:18] <OZ1SKY_Brian> gn Lunar_Lander
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[22:20] <Herman-PB0AHX> pa3djr is also sleeping now i hope to receiving sp3osj soon
[22:21] <OZ1SKY_Brian> Herman-PB0AHX it just turned north west
[22:22] <Herman-PB0AHX> mmmm wy
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[22:24] <OZ1SKY_Brian> im going to bed, ill keep the tracker running. gn all
[22:25] Nick change: OZ1SKY_Brian -> OZ1SKY_ZZzzz
[22:26] <Herman-PB0AHX> gn brain
[22:27] <Herman-PB0AHX> brian
[22:30] Nick change: Geoff-G8DHE-m -> Geoff-G8DHE-Tab
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[22:54] <jarod> SP3OSJ still out of range :/
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[23:00] <jarod> BALLOON hurry up! :)
[23:03] <joeman1> :)
[23:04] <joeman1> Patience
[23:05] <arko> at least you get habs near you
[23:05] <arko> be happy
[23:07] <DL7AD> joeman1: arko for example never gets some out of europe
[23:07] <DL7AD> ;)
[23:22] <Boelle_DK> hmm... got a cracked thought... see if we could get a HAB to land in DK...
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[23:41] <Maxell> jarod: SP3OSJ took it up north again
[23:42] <Maxell> http://aprs.fi/#!mt=osm&z=8&call=a%2FSP3OSJ-12&timerange=21600&tail=21600
[23:43] <amell> what happened to sleet?
[23:44] Action: amell thinks sp3osj will one day eclipse leobodnar in duration
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[23:50] <Laurenceb> amell: 2 day :P
[23:53] <amell> i dont have a 10K pot for lcd contrast adjustment. any ideas for a substitute method?
[23:53] <Boelle_DK> Q... if SP3OSJ have an APRS... why does it not appear so on spacenear.us ?
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[23:53] <Boelle_DK> would make tracking more easy
[23:53] <Boelle_DK> and i know from Upu that they can import APRS
[23:53] <amell> tried pwm on arduino with a capacitor to ground, doesnt seem to work as i had expected.
[23:54] <amell> Boelle: someone needs to set it up.
[23:54] <Boelle_DK> i know... just wonder why no one have asked for it to be set
[23:55] <amell> maybe not needed?
[23:55] <Boelle_DK> hmm
[23:57] <Boelle_DK> might be
[23:57] <Boelle_DK> at least know APRS and space shows same place
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[23:57] <Boelle_DK> but that would only be until OZ1SKY can reach it
[23:57] <Boelle_DK> but bed time....
[23:58] <Boelle_DK> o&o
[00:00] --- Fri Jul 11 2014