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[02:21] <SpacenearUS> New vehicle on the map: 03VK5DMC_chase - 12https://tracker.habhub.org/#!qm=All&q=VK5DMC_chase
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[07:09] <SpacenearUS> New position from 03IK2MMR-12 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IK2MMR-12
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[08:07] <SpacenearUS> New position from 03U3B-25 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=U3B-25
[08:41] <SpacenearUS> New position from 03SKY-KONG after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=SKY-KONG
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[11:31] <SpacenearUS> New vehicle on the map: 03U3S31 - 12https://tracker.habhub.org/#!qm=All&q=U3S31
[11:33] <SpacenearUS> New vehicle on the map: 03SQ9MOA - 12https://tracker.habhub.org/#!qm=All&q=SQ9MOA
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[11:47] <M6BQV> Does anyone have pictures of how they have implemented 2 antennas on their payload - one for RTTY and one for LoRa?
[11:49] <craag> I've done them side by side with about 20cm seperation of the driven elements - no noticable adverse effects
[11:50] <M6BQV> driven elements on the same polarity? did you electrically link the ground plane elements?
[11:51] <craag> yes. no.
[11:52] <M6BQV> How do they not de-sense each other when TXing?
[11:52] <craag> ah I didn't do any rx
[11:52] <M6BQV> Ignore that - they don't RX
[11:52] <craag> :)
[11:52] <craag> so the only thing you have is one element acting as a 'lump of metal' near the other element
[11:53] <craag> for which 20cm seperation is fine, you're not going to be able to measure the effect
[11:53] <M6BQV> sweet
[11:54] <michal_f> what setup are you guys discussing? LoRa + MTX ?
[11:56] <M6BQV> Lora and RTTY on diff radios
[11:57] <michal_f> ahh ok. I think daveake has working Lora+rtty from the same radio, which is smth im interesdet in (in near future)
[11:57] <craag> the hoperf lora modules do rtty fine
[11:58] <daveake> yup
[11:59] <craag> one weird method in here: https://github.com/philcrump/lora-tracker
[11:59] <craag> dave I think has gone for the more logical method.
[12:00] <daveake> When you said weird I thought you were going to link to someone else's :)
[12:00] <craag> well the radio code in there is Matt's :P
[12:01] <craag> but the susf repo only builds in his IDE..
[12:01] <daveake> I meant someone else in particular who usually does things in an odd way :)
[12:01] <craag> No idea who you mean ;)
[12:02] <daveake> :)
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[13:08] <M6BQV> Powered my PITS up for first time today - SSH'd in and all is running good, can see the telemetry data is generating all good and pictures being saved. Tuned my SDR to frequency and can hear a data signal but cannot decode in fldigi. hanged RTTY settings to 600 and 910 custom shift
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[13:12] <M6BQV> checked Im on USB and swapped I and Q a few times
[13:13] <daveake> Screenshot of dlfldigi waterfall plz
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[13:18] <M6BQV> https://imgur.com/a/b6TdUyQ
[13:18] <M6BQV> Thats with SDR Sharp tuned to 434.250
[13:22] <M6BQV> Opened the RX bandwidth up to 2500 and now have a single line and high pitched tone
[13:27] <daveake> There's no signal in that waterfall
[13:28] <daveake> Should look something like this https://usercontent.irccloud-cdn.com/file/9Q5KFH4W/image.png
[13:28] <M6BQV> There is here https://imgur.com/a/jup8uvY
[13:28] <daveake> Can't tell .. .it's it bouncing left/right ?
[13:29] <daveake> In the waterfall you just have unmodulated frequency
[13:29] <M6BQV> what bandwidth should i listen with?
[13:30] <daveake> doesn't matter so long as the signal is inside it
[13:31] <M6BQV> I'm powering using a phone charger from wall - that make a difference? not powering a certain board?
[13:32] <daveake> no that's fine
[13:33] <M6BQV> change frequency in the pisky.txt config?
[13:34] <daveake> So long as you have the SDR tuned close enough to the frequency that doesn't matter
[13:34] <daveake> I suggest you power down the the PITS and see if that peak disappears
[13:34] <daveake> If not then you're looking at something else
[13:35] <daveake> If it does disappear, restart the PITS. If the peak isn't being modulated then check the bit in the manual about setting up the serial port
[13:36] <M6BQV> peak disappears - I'll take the LoRa board off the top (Hadn't commented out the config line), check all connections and come back to manual and serial
[13:37] <daveake> Which Pi is it ?
[13:37] <M6BQV> I did have a problem with the PIGPIO installation, had to get it from somewhere else, perhaps thats involved.... Pi 1 A+
[13:38] <daveake> A+ is easy enough just disable serial console but enable serial port
[13:38] <M6BQV> yeah did that
[13:38] <daveake> PIGPIO is used for setting the frequency not the modulation
[13:39] <M6BQV> I see
[13:39] <daveake> Modulation is simply sending data to the serial port
[13:39] <M6BQV> re-do raspi-config part on serial?
[13:40] <daveake> Definitely as that's almost the only reason for there being no modulation
[13:41] <daveake> When you viewed the telemetry did it have a valid GPS position?
[13:41] <M6BQV> yes
[13:41] <daveake> Good so that rules out one of the other possibilities
[13:42] <M6BQV> Done serial login 'NO' serial eneable 'YES' - booting back up
[13:42] <daveake> k
[13:43] <daveake> And the telemetry had "RTTY: ...." as well as any "LORA.." lines ?
[13:43] <M6BQV> RTTY at the beginning
[13:43] <daveake> Just once ??
[13:44] <M6BQV> back up but no modulation - yes. RTTY: $$M6BQV ......
[13:44] <M6BQV> every line
[13:44] <daveake> So just one RTTY line ?
[13:44] <daveake> or multiple ?
[13:44] <M6BQV> multiple every second or so
[13:44] <daveake> Cool all working from s/w side then
[13:51] <M6BQV> still no modulation after taking LoRa hat off - re-flash and configure?
[13:53] <M6BQV> interesting, I killall tracker and the signal doesnt go away
[13:54] <daveake> No it won't - Tx still has power
[13:56] <daveake> Given that the software appears to be doing what it's supposed to, the remaining possibilities are ... not tuned in to the signal (and it doesn't look like you have anything strong in the dl-fldigi waterfall) ... hardware issued on the PITS/MTX2, or serial port not working on the Pi
[14:03] <daveake> Might be worth disabling serial port, saving that, then re-enabling it
[14:09] <M6BQV> disabled, reboot, enabled, reboot, nothing solid peak of signal - is it worth sending back to uputronics? - is that even a thing with the maker culture!?! lol
[14:11] <daveake> You can, of course. Just be sure there really is no modulation.
[14:11] <daveake> All the boards get tested before shipping so it should be fine, however ...
[14:12] <M6BQV> The peak is just static and a horrible high pitched audible tone ... I'll re-flash and configure - see if i did something wrong
[14:12] <daveake> Well you'll only get a tone through USB if there is no modulation
[14:13] <daveake> When you showed the dl-fldigi waterfall earlier there wasn't eben a carrier in it, so do make sure you're tuned it properly in the SDR s/w
[14:13] <daveake> even ^
[14:14] <M6BQV> https://imgur.com/a/jup8uvY
[14:14] <craag> looks like you need to tune up in frequency a bit
[14:15] <craag> get that peak at the bottom right into the bottom middle
[14:16] <M6BQV> I tuned all over, still nothing
[14:16] <daveake> Something doesn't look right there
[14:17] <daveake> The signal looks to be taking up the entire audio bandwidth, which it shouldn't
[14:17] <daveake> As a test, set the baud rate in pisky.txt to 50 baud; that makes it a lot easier to see the modulation
[14:23] <M6BQV> No change, complete solid peak and high pitched tone
[14:25] <daveake> https://usercontent.irccloud-cdn.com/file/V8aWGSfk/image.png
[14:25] <daveake> That's what I get, 300 baud
[14:26] <daveake> So yeah I suggest you send it back, preferably with Pi and SD card, but Upu will advise as it's him that deals with any returns
[14:26] <craag> Note that M6BQV has the number of FFT bins a lot lower in his screenshot.
[14:27] <Upu> https://usercontent.irccloud-cdn.com/file/7CYdUYI1/image.png
[14:27] <M6BQV> ~~~ whats FFT bins?
[14:28] <Upu> set bandwidth to 3000 and I don't think you're on the signal
[14:28] <Upu> are the LED's going green ?
[14:31] <M6BQV> LEDs go green yes - I'm just set DD going so will report back once re-configured
[14:37] <Upu> ok its not unheard of for the mTX2 to do carrier only but we always pick them up at testing
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[14:46] <Fragile> hello
[14:48] <Fragile> Do many hab's get launched in Sussex/The Downs?
[14:49] <Fragile> I was going to try and build a balloon to record some footage for a music video, but the cost seems a bit prohibitive. I'm wondering if anyone would be willing to share some footage? I'd like to see the curve of the earth from space above the Downs
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[15:00] <M6BQV> Fragile - If I get my setup complete I'll be looking at the down / new forest for a launch
[15:02] <M6BQV> daveake, typo for the PITS manual . PIGPIO zip comes from abyz.ME.uk ..... not abyz.co.uk
[15:03] <daveake> Not a typo they've moved it
[15:03] <daveake> Latest instructions here http://www.pi-in-the-sky.com/index.php?id=sd-card-image-from-scratch
[15:05] <M6BQV> aha, may I need to pull the latest version
[15:05] <M6BQV> just re-configuring now
[15:17] <M6BQV> daveake, Upu - https://imgur.com/a/zlJ7ihL that's with a fresh install, followed instructions to the letter, 50 baud
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[15:17] <M6BQV> signal doesn't wobble and only one 'line' in the DLFLDIGI software
[15:20] <daveake> 2nd line will start approx 15 seconds later
[15:21] <daveake> And you have nothing at all in the dl-fldigi waterfall, so I don't think you're feeding the audio from SDR to dl-fldigi
[15:22] <TT7> M6BQV: as craag suggested, in SDR# go to FFT Display and increase the resolution a bit so you can see the signal better
[15:22] <daveake> And finally, as craag mentioned ... OK WHS ^ :)
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[15:32] <M6BQV> I've used SDR Sharp and APRS direwolf, and Im sure is getting through to FLDIGI using stereo mix
[15:32] <M6BQV> https://imgur.com/a/SQQJog1
[15:33] <M6BQV> and when I put it over the signal it gives this:
[15:34] <M6BQV> bClQuJ4
[15:34] <M6BQV> https://imgur.com/a/bClQuJ4
[15:35] <daveake> Yeah that's got no modulation
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[17:18] Action: Pit[m] uploaded an image: 2019-04-04 19_17_05- (kxyTrack)  VNC Viewer.png (338KB) < https://matrix.org/_matrix/media/v1/download/matrix.org/dilHwcpKQEwMZRoBKvNSMrpL >
[17:18] <Pit[m]> any idea why SDR 000002 is not valid? Raspberry Pi 3 , external powered usb hub
[17:19] <Pit[m]> cc Darkside
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[17:22] <Pit[m]> i am running one instance of dxlAPRS and i try to run auto_rx with 2 dongles
[17:26] <SpacenearUS> New vehicle on the map: 03SP3KPH - 12https://tracker.habhub.org/#!qm=All&q=SP3KPH
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[18:34] <SpacenearUS> New vehicle on the map: 03SKY-CHASE_chase - 12https://tracker.habhub.org/#!qm=All&q=SKY-CHASE_chase
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[23:26] <SpacenearUS> New vehicle on the map: 03ICSPACE8 - 12https://tracker.habhub.org/#!qm=All&q=ICSPACE8
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[23:42] <SpacenearUS> New vehicle on the map: 03ICSPACE9 - 12https://tracker.habhub.org/#!qm=All&q=ICSPACE9
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[00:00] --- Fri Apr 5 2019