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[00:24] <michal_f> how many circles did HIRFW-6 completed ?
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[01:27] <SpacenearUS> New vehicle on the map: 03cassio_chase - 12https://tracker.habhub.org/#!qm=All&q=cassio_chase
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[02:44] <aadamson> michal_f, it's completed 7, 5/6th of it's way though it's 8th
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[06:23] <PE2BZ> !whereis ubseds21
[06:23] <SpacenearUS> 03PE2BZ: 03UBSEDS21 was over 03Orenburg Oblast, Russia 10(51.77328,52.34154) at 0314820 meters about 032 days ago
[06:23] <PE2BZ> !whereis ubseds18
[06:23] <SpacenearUS> 03PE2BZ: 03UBSEDS18 was over 03Strait Of Sicilia 10(36.29258,14.61568) at 0312904 meters about 0313 days ago
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[08:22] <AndyEsser> moaning
[08:22] <fsphil> ah parley vou frenchais
[08:23] <AndyEsser> o god... the spelling
[08:24] <AndyEsser> well... my whiteboard is still attached to the office wall - so I can't be completely incompetent :)
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[08:24] <PE2BZ> Good morning !
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[08:27] <fsphil> you could make the entire wall the whiteboard
[08:28] <AndyEsser> fsphil: yes yes, has been suggested by others
[08:28] <AndyEsser> I'm not a fan of that tbh
[08:28] <AndyEsser> although, if I could get my way, I'd have blackboards everywhere :)
[08:29] <fsphil> would make a room very dark though
[08:29] <AndyEsser> like my soul
[08:29] <AndyEsser> muahahahaha
[08:29] <x-f> cheer up, emo kid :)
[08:30] <fsphil> https://www.youtube.com/watch?v=IIW9sL-Yf6Q
[08:31] <AndyEsser> fsphil: am tethering - don't really want to use up all my data watching youtube :P
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[08:44] <AndyEsser> fsphil: what was it you used to route audio in linux?
[08:44] <fsphil> pulseaudio
[08:44] <fsphil> it mostly works
[08:45] <AndyEsser> and then what was the gui it installs to configure it?
[08:45] <AndyEsser> apparently already have pulse installed :P
[08:45] <AndyEsser> just can't remember the name of the control panel
[08:46] <fsphil> pavucontrol
[08:46] <AndyEsser> ta
[08:48] <AndyEsser> then recording tab, choose my application, and use "Monitor of built in audio" or similar?
[08:48] <AndyEsser> ok that appears to be behaving now
[08:48] <AndyEsser> can get back to the actual cool stuff
[08:51] <daveake> I did the same last night, to get RTTY decoding working on a Pi 3: RTL_FM | sox -> audio output -> pulseaudio -> dl-fldigi
[08:52] <fsphil> some people use "jack" but I haven't tried that one yet
[08:52] <daveake> Took a while as I had rtm_fm and sox running when I installed pulsaudio. So soz had the audio output device locked and pulseaudio didn't see it till I stopped rtl_fm/sox
[08:52] <daveake> Yeah James@rpi used jack, but the audio glitched every few seconds
[08:52] <daveake> I deliberately tried for something different
[08:53] <daveake> Maybe he had mismatched samples rates somewhere, so maybe it could be made to work
[08:54] <adamgreig> pulse is nice though. I like that you can also direct the audio via a separate sink, and continue playing music out the actual speakers
[08:54] <daveake> yup
[08:54] <adamgreig> but then i'm doing it on my desktop while developing stuff and listening to rtty all night would drive me mad
[08:54] <adamgreig> more mad
[08:54] <daveake> dammit you get there first :)
[08:54] <daveake> This is on a Pi3 not my desktop, so I just use the power button on the Pi speaker :)
[08:55] <adamgreig> haven't launched a hab payload in months (years?) but I can still pick out whether it has a lock or not from the rtty lol
[08:55] <daveake> hehe
[08:55] <daveake> Those zeroes do make themselves noticed
[08:55] <adamgreig> yea
[08:56] <adamgreig> I guess the trick would be to transmit no-lock as 0,0, rather than 00.00000,00.00000
[08:56] <fsphil> you can tell a mostly empty ssdv image from one with detail just from the sound of the rtty
[08:56] <adamgreig> all my telemetry now is whitened anyway
[08:56] <daveake> yup I had that
[08:56] <adamgreig> so you can't tell anything from listening
[08:56] <AndyEsser> I had the speakers up loud on my laptop... have just blasted a bunch of RTTY to my new neighbours in this office :)
[08:57] <fsphil> they'll think your're some kind of spy :)
[08:57] <AndyEsser> well I'm about to unpack my radios as well... even worse!
[08:57] <AndyEsser> Russian spy station
[08:57] <fsphil> there's no rush
[08:57] <AndyEsser> Da Da
[08:58] <adamgreig> leave a numbers station running in the background the whole time
[08:58] <daveake> Now try getting into Syria with several large boxes of gps and radio kit
[08:58] <adamgreig> easy, dress up as a military contractor :P
[08:58] <daveake> (though when I did, it was way before the troubles)
[08:58] <StuartL> Drop it from a HAB.
[08:58] <AndyEsser> daveake: I did UAE with a large amount of wires and computer equipment - that was interesting
[08:58] <AndyEsser> and Hawaii with a 30Kg box of multimeters and a spectrum analyser
[08:59] <daveake> For Hawaii I'd be happy with a camera and suncream
[08:59] <AndyEsser> yea... Hawaii I got very sunburnt
[08:59] <fsphil> bad enough flying domestic with a bunch of raspberry pis, SDRs and antennas
[08:59] <AndyEsser> at the top of a volcano, huge winds so was freezing, so didn't feel myself burning
[08:59] <AndyEsser> until the next day
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[08:59] <AndyEsser> had to text the Production Assistant and ask her to run to the store and get me all the Aloe Vera
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[09:00] <daveake> *all* ? :)
[09:00] <AndyEsser> exaggeration for effect
[09:00] <AndyEsser> apologies :P
[09:00] <AndyEsser> Where's my Baofeng?!
[09:01] <fsphil> liquid hydrogen. may have other side effects though
[09:01] <AndyEsser> o phew... other pocket
[09:01] <AndyEsser> panic over
[09:01] <SpacenearUS> New position from 03PYSKY2 after 0320 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PYSKY2
[09:01] <SpacenearUS> New vehicle on the map: 03Python_chase - 12https://tracker.habhub.org/#!qm=All&q=Python_chase
[09:02] <fsphil> python chase, sounds like a sci-fi channel low budget film
[09:02] <AndyEsser> and there's the 1090 antenna... really shouldn't jam all this stuff into a single backpack
[09:02] <SpacenearUS> New position from 03PYSKY after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PYSKY
[09:03] <StuartL> About to launch?
[09:05] <fsphil> don't think there's a launch today
[09:05] <AndyEsser> not seen a launch announcement
[09:05] <AndyEsser> although that being said... not sure I've seen an email from the mailing list in a while
[09:05] <daveake> No that's me testing some new code
[09:06] <fsphil> some people do launched announcements
[09:09] <AndyEsser> d'oh... netflix doesn't want to behave on the pi :(
[09:13] <daveake> I thought you were tethering and didn't want to use up all your data watching videos ? :p
[09:14] <AndyEsser> I made an executive decision :P
[09:14] <AndyEsser> I'll go crazy if I can't watch/listen to something all day
[09:21] <fsphil> spotify keeps me sane
[09:21] <AndyEsser> yea - that's what I've got playing now
[09:30] <AndyEsser> right - back up to the point of being able to actually work on code
[09:30] <AndyEsser> woo
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[09:49] <AndyEsser> http://imgur.com/a/iwWNq
[09:49] <AndyEsser> well that doesn't look right :(
[09:49] <AndyEsser> (Top is the Signal, Bottom is the Intermediate (with -carrier mixed in)
[09:52] <fsphil> some high frequency noise getting added in somewhere
[09:53] <AndyEsser> yea, I'm still really not convinced my "mixing" function is correct
[09:57] <Vaizki> will it blend
[10:08] <fsphil> are you still dropping samples?
[10:08] <fsphil> that'll add some noise
[10:10] <fsphil> oh your input isn't an IQ signal
[10:11] <fsphil> you'll have a second copy of the rtty signal in there
[10:11] <fsphil> a negative version
[10:14] <gonzo_> http://xkcd.com/1782/
[10:15] <gonzo_> so true
[10:15] <gonzo_> (And I'm probably that guy, and mainly I do it to infuriate others)
[10:15] <fsphil> nobody in my team would know what irc is
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[10:37] <gonzo_> it looks like a dos window, enough for me to get away with it
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[10:41] <udat> gonzo_: that's me there
[10:41] <udat> i use irc client for twitter/jabber :)
[10:42] <udat> also have my node-red setup sending it's output to me on an irc channel
[10:42] <gonzo_> using a text web browser really thwos people though
[10:42] Action: udat still uses pine
[10:42] <udat> that throws people :)
[10:43] <gonzo_> lynx, just to annoy people
[10:43] <udat> my life in a screen session
[10:45] <gonzo_> not used pine for ages!
[10:45] <gonzo_> s/for/in
[10:45] <udat> not used lynx in a while either, using it now as you mentioned it :)
[10:49] <fsphil> I tend to only use lynx when things have gone horribly worng
[10:49] <fsphil> like my spelling
[10:50] <mfa298> and if you hadn't commented on your spelling how many would actually have noticed :p
[10:51] <fsphil> this is #ha. someone always notices
[10:58] <Vaizki> fsphil, https://imgflip.com/i/1he56e
[11:01] <AndyEsser> fsphil: second copy?
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[11:06] <PE2BZ> fsphil it´s more interesting to notice than tori spelling ;-)
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[11:15] <fsphil> Vaizki: perfect :)
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[11:15] <fsphil> AndyEsser: when you convert a normal signal to IQ, all the negative frequencies mirror the positive ones
[11:16] <adamgreig> you should probably generate an IQ test signal anyway since that's what your SDR will give you
[11:16] <AndyEsser> adamgreig: this first pass takes audio in from something like SDR# - like fldigi does atm
[11:17] <AndyEsser> but it 'works' on IQ signals, so should in theory be able to take the IQ from and SDR down the line
[11:20] <fsphil> for testing it'll be easier to go with IQ, or get the low pass filter added
[11:20] <AndyEsser> hmm kk
[11:25] <adamgreig> if you're taking audio from SDR# why are you mixing with an LO?
[11:26] <AndyEsser> so that the two tones sit either side of 0 Hz
[11:26] <AndyEsser> +/- shift/2
[11:26] <adamgreig> is that really necessary
[11:27] <fsphil> easier just to look for the amplitude of the two carriers?
[11:28] <AndyEsser> ^ that was my fist plan
[11:28] <AndyEsser> but fsphil's method seems more elegant
[11:28] <fsphil> my way is probably very nieve
[11:28] <adamgreig> what are you planning after the LO mixing?
[11:28] <fsphil> naive
[11:28] <adamgreig> namely?
[11:28] <adamgreig> oh lol sorry
[11:28] <adamgreig> thought you were replying to me rather than correcting spelling
[11:29] <fsphil> lol
[11:29] <adamgreig> it's naïve btw
[11:29] <AndyEsser> fancy pants :P
[11:29] <fsphil> not according to my keyboard's lack of ï key
[11:29] <adamgreig> lol
[11:30] <fsphil> AltGr+[ i seems to do it
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[11:30] <Vaizki> Ï have special keys for ^¨´` .. :)
[11:31] <Vaizki> then again half the useful keys are behind altgr...
[11:31] <Vaizki> like all of {[]}\|@$
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[11:32] <adamgreig> lol i have a key just for ï
[11:32] <Vaizki> ñïè
[11:32] <adamgreig> just by the i key... https://www.flickr.com/photos/randomskk/27217585976
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[11:33] <fsphil> they're all any keys
[11:33] <adamgreig> keeps it simple
[11:34] <adamgreig> AndyEsser: what is your plan for decoding after mixing with an LO?
[11:37] <Vaizki> I don't think the current method used by fldigi is bad as such, apparently it works a lot better than earlier implementations of rtty did
[11:38] <AndyEsser> adamgreig: sorry - had to meet with the BT engineer again
[11:38] <Vaizki> basically they make 2 signals out of the input, one mixed with a "mark" LO and one with "space" LO, then filter these baseband signals and compare the amplitudes to see which is stronger
[11:38] <AndyEsser> the fact this building connects direct to the exchange is causing no end of problems :(
[11:39] <AndyEsser> adamgreig: detect the change in phase direction, denoting a 0 or 1 at appropriate times based on baud rate
[11:39] Nick change: Kryczek_ -> Kryczek
[11:39] <miek> i'd prototype this in gnuradio if i were you, something a lot like http://i.imgur.com/IRVhMEo.png
[11:39] <Vaizki> phase direction?
[11:39] <Vaizki> eep
[11:41] <adamgreig> wow
[11:41] <adamgreig> interesting
[11:41] <adamgreig> do you continually estimate phase direction and that gives a dphi/dt that you filter and then discriminate?
[11:41] <adamgreig> or just looking for specific changepoints?
[11:41] <adamgreig> well, not "just", that's going to be harder if anything
[11:42] <AndyEsser> adamgreig: check difference between success samples, when a change occurs between +/- direction, change the output
[11:42] <AndyEsser> if my understanding is correct of what I'm rying to do
[11:42] <AndyEsser> (which it almost certainly isn't)
[11:42] <AndyEsser> successive*
[11:43] <adamgreig> that will fail immediately in even small noise though, and your noise bandwidth will be huge
[11:43] <adamgreig> should work for your test signal though, since it's noiseless
[11:43] <adamgreig> so get it working ;)
[11:44] <AndyEsser> yea, was going to get noiseless working, and then add noise to the test signal and go from there :P
[11:44] <adamgreig> the more general way of doing it your way is estimating the dp/dt and then you've built an FM receiver, and the output from that will just be the current frequency, so you can easily filter and discriminate to get your bitstream
[11:44] <AndyEsser> but I'm pretty sure my low pass filter implementation isn't right, and I wrote it about 6 months ago - so back to the drawing board to learn about FIR filters
[11:44] <adamgreig> finding dp/dt is interesting, bunch of ways of doing that, some easier than others
[11:44] <adamgreig> fair enough
[11:44] <adamgreig> get the building blocks working first!
[11:44] <adamgreig> you should be able to comprehensively test the FIR filter in isolation
[11:45] <adamgreig> you should really be prototyping this stuff in something quicker like python or gnuradio or whatever
[11:45] <AndyEsser> o yea - fully agree
[11:45] <AndyEsser> but when I tried to implement it in Python - it fialed miserably :P
[11:45] <AndyEsser> failed*
[11:45] <AndyEsser> which suspect is more of a PEBKAC issue :P
[11:45] <Vaizki> hammer didn't work for nails so you picked up a rock? :)
[11:46] <adamgreig> spoilers but https://agg.io/u/bfsk.html
[11:46] <adamgreig> ^ is more of less what Vaizki described above
[11:46] <AndyEsser> ta :)
[11:46] <adamgreig> or*
[11:46] <fsphil> oh nice
[11:47] <Vaizki> mmmm
[11:48] <AndyEsser> adamgreig: it's almost like... you know what you're talking about :)
[11:49] <adamgreig> wouldn't be too sure of that
[11:49] <adamgreig> but I am convinced that prototyping this sort of idea in python is a good plan :P
[11:49] <AndyEsser> I will fully agree with that :)
[11:49] <adamgreig> the above scheme lacks a million practical considerations that're in fldigi
[11:50] <AndyEsser> but should give me more than enough to get something working :)
[11:50] <adamgreig> as soon as you have unknown channel parameters, unknown SNR, actual noise, need to filter to your signal bandwidth, AFC, trying to do clock synchronisation for RS-232 framing extraction, etc
[11:50] <adamgreig> it all gets trickier
[11:50] <adamgreig> I think you should definitely try and do your phase reversal detection thing
[11:50] <Vaizki> adamgreig, that's actually exactly how fldigi does it
[11:50] <adamgreig> Vaizki: yea it's a matched filter, it's literally the way you decode rtty really
[11:50] <Vaizki> ok so there's AFC feedback etc
[11:51] <AndyEsser> adamgreig: so continue my current way, but in python for more rapid prototyping?
[11:51] <AndyEsser> rather than sack that all off and switch to your method?
[11:51] <adamgreig> oh defo keep trying your way
[11:51] <adamgreig> it's more interesting
[11:51] <AndyEsser> ha fair enough
[11:51] <adamgreig> should work for noiseless samples
[11:51] <Vaizki> AndyEsser, that is the complete code in that ipython doc..
[11:52] <adamgreig> most of the ipython doc is charting code too, heh
[11:52] <adamgreig> the charts are nice i think though
[11:52] <Vaizki> they are yes
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[11:52] <adamgreig> ok back in a bit I have to do some actual work
[11:52] <AndyEsser> adamgreig: yea, one of the things I was seriously missing from doing it in C++ - a way to very simply display a spectrogram or something
[11:52] <AndyEsser> hence why exporting to file, and then into Audacity, etc
[11:53] <Vaizki> slow and painful
[11:54] <AndyEsser> yes
[11:54] <ozhab> Hi Everyone. Is someone able to approve a HAB launch for me, so it can be tracked ? Its my first launch , so gritting my teeth that it all goes to plan ?
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[11:55] <Vaizki> ozhab, post the flight doc id to #habhub
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[11:55] <mfa298> ozhab: if you've created the flighdoc go into #habhub, paste the ID and ask for it to be approved. A bot will do some basic checks and then an admin should approve it
[11:56] <ozhab> Thanks mfa298 , I'll give it a go cheers..
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[12:06] <AndyEsser> gah... my python fails so bad
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[12:09] <SpacenearUS> New vehicle on the map: 03VK2HEK-11 - 12https://tracker.habhub.org/#!qm=All&q=VK2HEK-11
[12:10] <Darkside> heh
[12:10] <Darkside> poor sods from sydney
[12:10] <Darkside> having to go so far to the west to be able to launch
[12:12] <Darkside> http://predict.habhub.org/#!/uuid=d6519c3cd2d8c13ce8500e3de4b6a1c3e048915c
[12:12] <Darkside> prediction looks reasonable though
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[12:13] <Vaizki> wagga wagga.. that's the place where they made all the adult film music in the 70's..
[12:16] <AndyEsser> adamgreig: what is SR in your code?
[12:16] <adamgreig> sample rate
[12:16] <AndyEsser> ta
[12:17] <AndyEsser> and IDELBITS is the gap between sentences?
[12:18] <adamgreig> it's just some gap at the end
[12:19] <adamgreig> where there's no signal transmitted at all
[12:19] <adamgreig> just there to make the whole thing long enough that the filter delays etc don't run out of samples
[12:19] <AndyEsser> sure
[12:19] <AndyEsser> http://imgur.com/a/8FAu0
[12:19] <AndyEsser> think I've got my test signal generated in python
[12:19] <AndyEsser> woo, progress....
[12:20] <AndyEsser> ignore all the tabs googling how to do stuff in python....*cough*
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[12:30] <daveake> http://i.imgur.com/0pF7XOA.jpg
[12:31] <AndyEsser> daveake: :)
[12:37] <fsphil> lol
[12:37] <fsphil> must print that out and hang it up on the wall here
[12:41] <gonzo_> https://www.amazon.co.uk/Just-Me-Everything-Shit-Encyclopedia/dp/0316729531
[12:41] <gonzo_> I have a photocopy of the inside cover pinned up. I wave it at people when things are going bad (ie. constantly)
[13:01] <AndyEsser> http://imgur.com/a/IiRpt
[13:01] <AndyEsser> well that doesn't quite look right...
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[13:06] <jakeio> Ping Upu
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[13:33] <pb0ahx> !flights
[13:33] <SpacenearUS> 03pb0ahx: Current flights: 03ozhab01 10(dbd8), 03SP3OSJ->437.7MHz/RTTY/100bd/7n2 10(cff8)
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[14:35] <ryancomet> hey there, i am trying to get a pi in the sky to transmit to a laptop using a funcube dongle pro plus and sdr sharp to recive, and dl-fldigi to decode the data, but i am only getting a single peak of data, can anyone point out my mistakes?
[14:35] <ryancomet> peak of signal, sorry
[14:35] <fsphil> can you take a screenshot of sdr# and show us please
[14:35] <SA6BSS-Mike> have u zoomed in enugh on the waterfall?
[14:35] <fsphil> someone might spot something
[14:36] <SA6BSS-Mike> imgur is a good place to post pics
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[14:36] <ryancomet> i zoomed in as far as i can go, till i am left with like 2 bars on screen there is nothing within the 800hz range i am expecting
[14:37] <SA6BSS-Mike> then screenshots of booth sdr# and dl-fldigi
[14:37] <ryancomet> also, i will upload a screenshot as soon as i can, but i cant do that till later on tonight, just wondering if there was a knows solution to this.
[14:37] <ryancomet> known*
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[14:38] <fsphil> we'd just be guessing until we seen it for ourselves :)
[14:38] <fsphil> there are a lot of things it could be
[14:38] <daveake> I'll guess :-). Have the serial port bits been done from the instructions ?
[14:38] <fsphil> it might also be worth checking if the signal is even from the PITS board, turning it off and on and seeing if it goes away and comes back
[14:38] <fsphil> ah
[14:38] <ryancomet> yeah, it is, we tried that
[14:39] <daveake> And have you run the tracker manually and checked the output ?
[14:39] <ryancomet> and we did the serial as instructed, i will see if i can get the pi from school tonight and work on the screenshots at home tonight.
[14:39] <ryancomet> yeah, the output is fine
[14:40] <daveake> So it's display the rtty messages, once every few seconds?
[14:40] <daveake> +ing
[14:41] <ryancomet> yeah, it looks just like the output in the manual, so we assumed it was ok, i could get a screenshot of that too if that would help
[14:41] <daveake> Well depending on baud rate you should get a new line something linke "RTYY: $$thingy.............." every few seconds
[14:42] <daveake> So far this has always been the serial port.
[14:43] <daveake> So personally I'd double-check the port has been enabled (e.g. check for the existence of /dev/ttyAMA0)
[14:43] <ryancomet> ok, will do, and i will get the screenshots uploaded tonight
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[14:56] <ryancomet> https://expirebox.com/download/c1dec85208e41a55addd5ae1d1d60e94.html
[14:56] <ryancomet> this is the screenshot of sdrsharp
[15:00] <daveake> Is USB mode set in SDR# ?
[15:02] <ryancomet> yeah
[15:03] <ryancomet> sorry didnt realise you cant see that
[15:03] <ryancomet> the band through the red line is the one made by the funcube
[15:04] <daveake> OK looks to me like a single peak; go check the serial stuff
[15:05] <daveake> Also worth making sure that signal is really the payload - e.g. add/remove aerial on the payload and see if the signal gets stronger/weaker.
[15:07] <ryancomet> yeah, it disapeares when i turn the pi off
[15:11] <Geoff-G8DHE> Not necessarily the RF signal could be a signal from one of the pi's oscillators, much better to reduce the Tx aerial to make sure its the signal from the Tx rather than some spurious output from the pi!
[15:11] <ryancomet> ok, i will try that
[15:12] <ryancomet> yeah, it changes, definatly the RF signal
[15:12] <Geoff-G8DHE> OK just a possibility removed ;-)
[15:13] <ryancomet> thats allways helpfull, now seeming as i am doing this at the back of an english class, i cant plug a screen into the pi, but i will check the serial tonight at home, unless you know an esier way to do it from my laptop
[15:14] <daveake> ssh to the pi ?
[15:15] <ryancomet> right, that sounds like somthing i am gonna have to google
[15:16] <daveake> btw only one "l" in "always" and only two in "helpful". Well it is an English class :)
[15:17] <ryancomet> wait no, wont work on the school wifi, will just do that at home, and thanks for the tip, allways helpfull to know how to spell
[15:18] <daveake> the irony is strong in this one :)
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[15:18] <ryancomet> ah, i dont need it, that's why i do my english on a laptop, spellcheck is a wonderful thing
[15:20] <ryancomet> just need to remember to click on the squiggly lines
[15:21] <ryancomet> but yeah, will let you know how the serial goes
[15:22] <daveake> Make sure it's enabled in raspi-config, and that the manual steps have been taken to disable the login on it and kernel use of it
[15:26] <ryancomet> will do as soon as i have a screen
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[15:28] <gonzo_> I was so pleased to find an irc client that had a spellcheck. (Shame it's not on this machine though)
[15:28] <ryancomet> i am just using the webchat
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[16:40] <SpacenearUS> New position from 03WB8ELK-2 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=WB8ELK-2
[16:53] <michal_f> so what is current record of circles around globe ?
[16:56] <Vaizki> 150 000 miles
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[17:52] <Vaizki> speak of the devil... :)
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[18:45] <SpacenearUS> New vehicle on the map: 03ria-20a_chase - 12https://tracker.habhub.org/#!qm=All&q=ria-20a_chase
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[19:21] <aadamson> michal_f, Vaizki, I think hirfw-6 has beat that distance, as of yesterday, it's at least traveled 317000km or 197000miles, that's 7 and 5/6 circumnavigations. Among Amateur records, Leo holds the circ count at 9+ with B64
[19:27] <aadamson> Duration is Ron K6rpt with a flight a few months ago that went 140 days. My hirfw-3 assuming is shows up again, or UBSEDS18 should take that duration count away from Ron
[19:45] <evilroots> !tracker
[19:45] <SpacenearUS> 03evilroots: Here you go - 12http://habhub.org/t/
[19:45] <evilroots> !aprs
[19:45] <SpacenearUS> 03evilroots: Tracking via APRS: 034Z7GUL-11 10(ILHAB-1d), 03AD6AM-11 10(UBSEDS15), 03AD6AM-12 10(UBSEDS18), 03AD6AM-13 10(UBSEDS21), 03DK3SB-10, 03DK3SB-12, 03DK3SB-13, 03DK3SB-8, 03DL3AKB-11, 03DL7AD-11, 03HABIL-1, 03K2JJI-11, 03K6RPT-11, 03KD2EAT-11, 03KD5ZPL-11, 03KD9DBI-11, 03KG5KNM-11, 03KG7WFR-11, 03KI7CUX-11, 03KI7CUX-9 10(KI7CUX-11_chase), 03M0SBU-11 10(UBSEDS15), 03M0SBU-12 10(U
[19:45] <SpacenearUS> , 03M0UPU-9, 03M1023118, 03MIKEL, 03SM3ULC-9, 03SP3OSJ-12, 03SP9UOB-10 10(SP9UOB), 03SP9UOB-11 10(SP9UOB-P28), 03VE3KCL-9, 03VK3YT-11, 03VK4BW-11, 03VK5QI-11, 03W7QO-7, 03WB8ELK-3, 03WB8ELK-6
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[20:22] <AndyEsser> adamgreig: got the method I was using prototyped in python and seemingly behaving itself for 50 and 300 baud :)
[20:22] <AndyEsser> of course, doesn't have proper frame tracking or anything like that
[20:22] <AndyEsser> but proves the concept works
[20:24] <adamgreig> nice
[20:24] <AndyEsser> only took all day...
[20:26] <AndyEsser> https://www.u-blox.com/en/product/c94-m8p
[20:26] <AndyEsser> can anyone explain how this has cm-resolution accuracy?
[20:26] <AndyEsser> presume the fact it communicates with a base station has something to do with it?
[20:26] <adamgreig> standard rtk gps
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[20:27] <AndyEsser> rtk gps?
[20:27] <AndyEsser> helps if I google the right thing...
[20:29] <adamgreig> sorry got distracted
[20:29] <adamgreig> yes one base station knows where it is
[20:29] <adamgreig> and records the error in its gps position estimate
[20:29] <AndyEsser> and then the difference in signal rx from both allows it to augment the received GPS to be more accurate?
[20:29] <adamgreig> sure, sort of
[20:29] <adamgreig> it's partially that (it lets it cancel out short term atmospheric electrical path length chagnes)
[20:30] <AndyEsser> adamgreig: gotcha - sorry just reading the wiki page now
[20:30] <adamgreig> but also partially that the receiver measures the phase of the incoming GPS clock signal, which is a high frequency so short wavelength, and uses that to get higher accuracy, but it doesn't know how many whole multiples of the wavelength have passed, and the base station solves that too
[20:30] <AndyEsser> hadn't realised I'd first googled "rk gps"
[20:32] <AndyEsser> adamgreig: cheers
[20:32] <AndyEsser> very interesting
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[21:15] <ryancomet> hey, i am still having the single peak problem on a pi in the sky, being recived on sdsharp,
[21:15] <ryancomet> i have checked the serial
[21:16] <daveake> does /dev/ttyAMA exist ?
[21:16] <daveake> er /dev/ttyAMA0
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[21:17] <ryancomet> right, i will sound stupid, but i should check that by treating it as a directory?
[21:17] <ryancomet> so try to find it using cd
[21:17] <daveake> Just type ls /dev/ttyAMA0 see what it says
[21:18] <ryancomet> no such file or directory
[21:18] <daveake> Right so now run raspi-config and enable the serial port
[21:18] <ryancomet> well theres our problem
[21:18] <ryancomet> i did that
[21:19] <daveake> prolly need a reboot afterwards
[21:19] <ryancomet> i am gonna do it again, but i did that
[21:20] <daveake> Which model Pi ?
[21:20] <ryancomet> B+
[21:20] <daveake> Which date of Jessie is this?
[21:21] <ryancomet> ok, its changed, but is like, 20 peaks
[21:21] <daveake> 20 peaks = receiver overloaded
[21:21] <daveake> remove the aerial from transmitter or receiver (not both)
[21:22] <ryancomet> nah, everything just went down
[21:22] <daveake> What is the receiver?
[21:23] <ryancomet> funcube dongle pro plus
[21:23] <daveake> OK should be fine without aerial, if the transmitter is within metres
[21:23] <ryancomet> its like, 30cm
[21:23] <ryancomet> want a screenshot?
[21:23] <daveake> fine. 1 aerial is fine.
[21:23] <daveake> nope
[21:24] <daveake> The signal should be clear to see
[21:24] <ryancomet> its not
[21:24] <daveake> With aerials on both, look for the strongest signal
[21:24] <ryancomet> there is two high points, sure, but its supernoisy
[21:25] <daveake> well it's super overloaded
[21:25] <daveake> Try a paperclip or something as an aerial
[21:26] <daveake> Even a cheapo RTL SDR shows a signal with no rx aerial and a nearby transmitter (with aerial); I'd expect a FCD to be rather better
[21:26] <ryancomet> nope, is the dongle shot? that would suck..
[21:27] <ryancomet> huh, moved the usb port, working perfectly
[21:27] <daveake> ok
[21:28] <ryancomet> wait,no, its intermittant..
[21:28] <daveake> what is?
[21:29] <ryancomet> ignore me, i rebooted sdsharp it wasnt in usb mode
[21:29] <ryancomet> we are back to the noise
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[21:30] <ryancomet> http://imgur.com/a/lpu7S
[21:30] <ryancomet> unless thats what it should look like
[21:31] <SA6BSS-Mike> I can see two band at the bottow
[21:31] <SA6BSS-Mike> as it should look like
[21:31] <ryancomet> thats what it should look like? i will try to decode it then
[21:32] <SA6BSS-Mike> ah, they are verry wide
[21:32] <SA6BSS-Mike> tune to one or the other
[21:33] <daveake> Not wide; his passband is < 1kHz wide
[21:33] <SA6BSS-Mike> tru
[21:33] <daveake> ryancomet: Set the audio bandwidth in sdr# to 4kHz
[21:34] <ryancomet> ok
[21:34] <ryancomet> that sounds better
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[21:44] <ryancomet> all of my signal is at one end in fl-digi, i have tried tuning in sdrsharp, but dosnt seam to change much
[21:44] <SpacenearUS> New position from 03VK2HEK-11 after 0310 hours silence - 12https://tracker.habhub.org/#!qm=All&q=VK2HEK-11
[21:45] <daveake> You need to click on the sdr# waterfall, to set the passband where you want it
[21:45] <daveake> which means, click a little way to the left of the 2 peaks
[21:47] <ryancomet> the whole signa is then well above the 2500 mark on fl-digi
[21:47] <daveake> click more accurately then
[21:48] <daveake> the signal itself is <1kHz wide
[21:48] <SpacenearUS> New vehicle on the map: 03vk2hek_chase - 12https://tracker.habhub.org/#!qm=All&q=vk2hek_chase
[21:49] <daveake> should look like this http://www.pi-in-the-sky.com/data/uploads/tracking/dl4.jpg
[21:49] <SA6BSS-Mike> u can also widen the vissible bw in fldig under waterda
[21:49] <SA6BSS-Mike> wateerfall fft processing
[21:49] <daveake> yup do that ^
[21:51] <ryancomet> i got it down, but its all dark, blue not yellow or sollid like the picture
[21:51] <SA6BSS-Mike> increse volume in sdr#
[21:52] <ryancomet> the slider? its at max
[21:52] <SA6BSS-Mike> hmm
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[21:52] <SA6BSS-Mike> how do u pipe the audio?
[21:52] <SA6BSS-Mike> from # to fldigi?
[21:53] <ryancomet> i just set it to primary capture device
[21:53] <ryancomet> perhaps virtual audiocable is worth a shot?
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[21:53] <SA6BSS-Mike> u can get the wf lighter by pressing the arrow bottom left in fldigi
[21:54] <SA6BSS-Mike> get it to -25 or so
[21:55] <SA6BSS-Mike> vac is great!
[21:56] <ryancomet> it helped, but its still like, light blue, no yellow atall
[21:56] <ryancomet> at all
[21:56] <daveake> all dark usually means it's not listening to wherever the sdr audio is going
[21:57] <ryancomet> but its not all dark, there is two dim peaks, and alot of noise, i will try vac, give me a second
[21:58] <SA6BSS-Mike> if u have sdr# play at speaker and fldig listen on stereo mix usuly works
[22:00] <SA6BSS-Mike> do you have stero mix under recording units, or are maby not on a windows mashine?
[22:00] <ryancomet> wait, its curently port audio that i am trying to select an option from, its not the oss setting i am trying to get at is it?
[22:00] <ryancomet> i am on a windows 10 64 bit machine
[22:00] <SA6BSS-Mike> ok, do u have stereomix?
[22:01] <ryancomet> GOT IT
[22:01] <ryancomet> right, i had to mess around with vac but finaly got that working, now the entire thing is red
[22:01] <SA6BSS-Mike> thumbup
[22:01] <ryancomet> awesome
[22:01] <ryancomet> thanks guys!
[22:07] <ryancomet> ITS WORKING
[22:07] <ryancomet> thankyou so much for helping
[22:08] <SA6BSS-Mike> glad it works!!
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[22:34] <ryancomet> how do i decode the nonsense into images
[22:34] <ryancomet> just to make sure its the right nonsense
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[22:36] <Geoff-G8DHE-Lap> In dl-fldigi open the View menu and select SSDV
[22:36] <Geoff-G8DHE-Lap> the files are also stored of course locally as well as sent to the central server
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[22:39] <ryancomet> wow it takes ages to transmit
[22:40] <Geoff-G8DHE-Lap> what baud rate are you running ?
[22:40] <ryancomet> 300
[22:40] <Geoff-G8DHE-Lap> Yes its not fast, one reason for using LoRa if you want larger and faster images
[22:41] <ryancomet> also there is a bar in the top of the immages, i assume thats lost data?
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[22:41] <Geoff-G8DHE-Lap> yes bars are where data blocks have been lost
[22:42] <ryancomet> whats the best way to minimize that?
[22:42] <Geoff-G8DHE-Lap> hence why we use the DL server and processes so that multipile stations report
[22:42] <Geoff-G8DHE-Lap> locally its usually overloading
[22:42] <ryancomet> ah ok, so you can pice a whole photo together
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[22:56] <SpacenearUS> New vehicle on the map: 03KC2DIJ-1 - 12https://tracker.habhub.org/#!qm=All&q=KC2DIJ-1
[23:13] <ryancomet> other than having more recivers, is there any way to decrease lost packets because it is lost packets and the pi and reciver are in the same room with a clear line of sight
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[23:14] <ryancomet> i am lossing like 30%of the immage
[23:15] <gonzo_> try taking one of the antennas off, in case they are too near. Or move the tx away from the rx
[23:16] <gonzo_> also possible you have local strong other tx on same freq
[23:17] <gonzo_> any signs of interferenc on the rx waterfall?
[23:17] <ryancomet> not a huge amount of interfearance, nothing more than normal background
[23:18] <gonzo_> what freq?
[23:18] <ryancomet> 434.250MHz
[23:19] <gonzo_> you could have ither devices chirping away, introducing errors. ssdv can corect some errors, but above that you have a corrupt frame
[23:19] <gonzo_> try taking the rx antenna off
[23:20] <ryancomet> just done that, when you told me to take an antenna off, its the only one i had on, it does seem to be better
[23:20] <gonzo_> that will reduce the level of the signal you are receiving, in case you are too close and overloading
[23:20] <gonzo_> it will also reduce the amount of sigs from other local devices
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[23:21] <ryancomet> its dropped to about 10%, but thats still a lot of image to lose
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[23:21] <gonzo_> what rx do you have (I've not read any of the chatter you have had with others)
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[23:22] <ryancomet> ah, i have a funcube dongle pro plus
[23:22] <ryancomet> so it should be fine
[23:22] <gonzo_> ok, a good rx then
[23:22] <ryancomet> yeah
[23:23] <ryancomet> expensive though
[23:23] <gonzo_> are you gettting strong signals receoved still?
[23:23] <ryancomet> how would i tell the strength, (yeah, i know, i am new to this)
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[23:24] <gonzo_> not sure on your rx software. probably the height of the spetrum peacks and the colour of the waterfall
[23:24] <ryancomet> yeah, 33 sucsesfull, 2 lost
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[23:24] <gonzo_> try bringing the tx closer to the rx
[23:25] <ryancomet> rx software is sdsharp,
[23:25] <ryancomet> they are like 30cm
[23:25] <ryancomet> closer?
[23:26] <gonzo_> that is prob close enough
[23:26] <ryancomet> yeah, thought so.
[23:26] <gonzo_> never used sdr sharp, so can't advise
[23:26] <ryancomet> the peaks are at -50 db, i think thats the unit... -50 somthings
[23:27] <ryancomet> dbFS aparently
[23:27] <gonzo_> a relative value wrt full scale?
[23:28] <ryancomet> in sdr# if that helps
[23:29] <ryancomet> no idea....
[23:29] <gonzo_> right, must go. There should be others with more expereince of that sw around tomorrow
[23:29] <ryancomet> awesome, well you helped, its deflinatly better
[23:30] <ryancomet> will do some wiki reading tonight, so i dont appear so totally clueless
[23:30] <gonzo_> will prob help to have a screenshot for them, of sdr# and fldigi as you have it running now
[23:31] <gonzo_> and mention the spacing and antenna /on/off setup
[23:31] <gonzo_> there may be settings they can help with
[23:33] <SpacenearUS> New position from 03UBSEDS21 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS21
[23:33] <ryancomet> awesome, will do. thanks for you help, gotten far farther tonight than i thought i would
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[00:00] --- Wed Jan 11 2017