highaltitude.log.20190826

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[05:59] <SpacenearUS> New vehicle on the map: 03S52O-9_chase - 12https://tracker.habhub.org/#!qm=All&q=S52O-9_chase
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[08:45] <SpacenearUS> New position from 03STELLA23 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=STELLA23
[08:49] <SpacenearUS> New position from 03KA6TVU-11 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=KA6TVU-11
[08:54] <PE2BZ> Good morning, is there light on the Darkside :-)
[08:57] <PE2BZ> Darkside, If I do setup Wenet on ubuntu but I want to use -d1 as receiver dongle, should I add the -d1 in the start_rx.sh right behind the rlt_sdr in front of the -s -f and -g parameters ?
[08:57] <SIbot> In real units: 1 in = 2.54 cm
[08:57] <Darkside> PE2BZ: oh yep
[08:58] <Darkside> are you running something else at the same time?
[08:58] <Darkside> (danger will robinson, danger!)
[08:58] <PE2BZ> A lot. rtl_power for my radio sonde waterfall, openwebrx (with airspy) for sonde RX
[08:58] <PE2BZ> Danger you said ?
[08:59] Action: PE2BZ is hiding under his desk
[08:59] <Darkside> yeah i'd be warned, wenet uses a bit of CPU
[08:59] <Darkside> i mean, it runs on a Pi 3B+, but i'd be a bit careful
[08:59] <Darkside> if you get sample drops you will lose bits ofi mages
[08:59] Action: PE2BZ notices a strange error message in ubuntu. All systems halted. Downgrading to windows started ;-)
[09:00] <PE2BZ> I have it running on an i5 @2300 MHz so let´s see what happens....
[09:00] <Darkside> ok
[09:00] <Darkside> miiight be ok
[09:01] <PE2BZ> All starts without errors :-)
[09:01] <Darkside> ok
[09:01] <Darkside> well if you see packet drops in the images, you know its not working
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[09:06] <PE2BZ> so far no RX (but the receiver is 2000 m away, with 27 m asl antenna)
[09:10] <Darkside> nice
[09:10] <Darkside> so, going to try a launch?
[09:11] <PE2BZ> Might, there is a bit of sun and little clouds, tomorrow morning maybe.
[09:11] <PE2BZ> rx at home is working, going to put the tracker on the roof in a moment.
[09:11] <Darkside> nice
[09:12] <Darkside> are you using the web UI?
[09:12] <Darkside> for the wenet RX i mean
[09:16] <PE2BZ> Yes
[09:17] <Darkside> ok
[09:17] <Darkside> interested to know what SNR you were getting before with those broken images
[09:19] <PE2BZ> the broken images where while testing with the home receiever, which has a 2 cm wire on the pcb of the rtl dongle, sorry.
[09:19] <Darkside> ok
[09:20] <PE2BZ> I am trying to recall if I did set the output power back to ¨no light control needed¨ before assembling....
[09:25] <PE2BZ> Luckily it´s a Pi zero W so I checked and power is indeed at 50 mW
[09:26] <PE2BZ> starting the home receiver again
[09:28] <Darkside> i see antennae
[09:29] <PE2BZ> Good catch ;-)
[09:29] <PE2BZ> At home about 20 dB SNR with short wire on the rtl
[09:34] <Darkside> nice
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[10:14] <PE2BZ> I replacet the TX antenne (with 50 mW I guessed the turned coil which comes with the LoRa modules would do) by a 1/4 wave for 432.7 NHz, with one reflector. But no change in signal strengt on the receiver at 2 km distance, the signal does not show up. On another SDR with comparable height and antenna (150 m away from the other RX) I see some traces on the waterfall and if I sudo Halt I see the one carrier on that receiver.
[10:15] <PE2BZ> https://www.dropbox.com/s/io7w2m4lqy7tbs6/wenot_signal.JPG?dl=0
[10:16] <Darkside> you can just see the signal there
[10:16] <Darkside> remember its very side
[10:16] <Darkside> wide*
[10:16] <Darkside> i think i can see the transmitted signal
[10:17] <Darkside> but yeah, pretty weak
[10:21] <PE2BZ> https://www.dropbox.com/s/383ynrnpnqkiald/my%20433.JPG?dl=0
[10:23] <PE2BZ> My RX antenna is in the middle of Tetra @392 MHz (48 m altitude at 300 m distance) and Tetra @ 428 Mhz (our qrl stations) and P2000 pager also in the 48 m antenna mast. So there might appear a strange signal every now and then.
[10:24] <PE2BZ> Do you have any idea about the battery consumption? 3 x energizer powering the Pi Zero ?
[10:25] <Darkside> yeah, lasts about 8 hours
[10:25] Action: PE2BZ will add a real antenna connector to the wenet dongle at home b
[10:25] <PE2BZ> thanks, that would do.
[10:26] <PE2BZ> Has been on in test mode for less than one hour now, no need to replace batteries.
[10:26] <Darkside> so you're going to launch it?
[10:30] <PE2BZ> I still might, tomorrow. But no promises....
[10:31] <PE2BZ> There might be a flight from PE1ANS with Pi and caemra (LoRa) he is ready and waiting for clear sky. Would be his first camera flight so I might also delay if he flies.
[10:31] <SA6BSS-Mike> nice float alt on KA6TVU-11 wonder what they use
[11:27] <SpacenearUS> New position from 03GLAUB40 after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=GLAUB40
[11:58] <PE2BZ> Darkside, prediction is not too promising.... http://predict.habhub.org/#!/uuid=41eef73e791369dd8f6d5e5dcbb4e06b083f7655
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[12:33] <SpacenearUS> New position from 03DL3YC-14 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=DL3YC-14
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[12:39] <MedadR> KA6TVU-11 is indeed floating at a very high altitude: 13 967 m at the moment
[12:39] <SpacenearUS> New vehicle on the map: 03TA2MUN-4 - 12https://tracker.habhub.org/#!qm=All&q=TA2MUN-4
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[13:14] <SpacenearUS> New vehicle on the map: 03W8MV-11 - 12https://tracker.habhub.org/#!qm=All&q=W8MV-11
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[13:58] <MedadR> SA6BSS-Mike: KA6TVU-11 is indeed really high up. They seem to be connected with Scientific balloon solutions
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[14:54] <SpacenearUS> New position from 03SP9UOB after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP9UOB
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[15:13] <SM0ULC-David> SA6BSS-Mike: http://www.cnsp-inc.com/cnsp-31/
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[16:47] <SpacenearUS> New position from 03SP9UOB-P35 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP9UOB-P35
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[20:07] <SpacenearUS> New position from 03RANGER1 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=RANGER1
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[20:11] <SpacenearUS> New vehicle on the map: 03N5GAS-3 - 12https://tracker.habhub.org/#!qm=All&q=N5GAS-3
[20:27] <SA6BSS-Mike> SM0ULC-David: tnx for the link
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[21:56] <SpacenearUS> New vehicle on the map: 03KA6TVU-12 - 12https://tracker.habhub.org/#!qm=All&q=KA6TVU-12
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[00:00] --- Tue Aug 27 2019