I've tried to find the TLE data but Celstrak and NORAD don't have it.

Kevin, WB5RUE

-----Original Message-----
From: Lapo Pieri [mailto:ik5nax@radioteknos.it]
Sent: Friday, February 12, 2021 3:16 PM
To: amsat bb <amsat-bb@amsat.org>
Cc: Daniel Estévez <daniel@destevez.net>
Subject: [AMSAT-BB] UVSQ-SAT listened and demodulated

I've succesfully recevied and domodulated UVSQ-SAT, good signal on
437.020MHz and I was lucky that after some burst (during pass over EU at
about 20:20Z of today) a continuos trasmission appears.

I haven't used the sw provided by AMSAT-F but demodulation is possible using
gr_satellite with other 1k2/9k6 BPSK demodulator, in particular I was able
to demodulate with:

    $ gr_satellites "KR01" --wavfile ~/gqrx_20210212_202658_437030331.wav
--samp_rate 48e3 --hexdump >uvsqsat_20210212_202658_437020.txt

Here is a little:

* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 BPSK downlink))
pdu_length = 58
contents =
0000: 98 82 a8 9a 9e a6 e0 98 82 a8 9a 9e a6 63 03 f0
0010: 08 01 c0 00 00 23 20 03 19 00 00 00 02 60 25 e7
0020: 45 00 00 00 18 00 40 32 66 51 2d 03 f2 4e 00 29
0030: 3f 94 20 00 4d ec 20 e0 63 2e
***********************************
* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 BPSK downlink))
pdu_length = 112
contents =
0000: 98 82 a8 9a 9e a6 e0 98 82 a8 9a 9e a6 63 03 f0
0010: 08 01 c0 00 00 59 20 03 19 00 00 00 02 60 25 e7
0020: 49 00 00 00 12 35 07 07 00 04 dd fb 00 04 dd fb
0030: 00 00 00 00 02 53 02 ab 02 a9 03 ff 02 e3 01 9b
0040: 00 bb 01 17 01 3c 02 ab ff f6 00 06 00 87 00 d2
0050: 00 1b 01 c8 00 14 00 00 36 ee 00 00 3c 25 00 00
0060: 2b 05 00 00 32 c2 00 00 a9 91 00 00 1b 88 c1 44
***********************************
* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 BPSK downlink))
pdu_length = 160
contents =
0000: 98 82 a8 9a 9e a6 e0 98 82 a8 9a 9e a6 63 03 f0
0010: 08 01 c0 00 00 89 20 03 19 00 00 00 02 60 25 e7
0020: 80 00 00 00 15 1a 05 a1 01 80 07 fd 03 a4 20 02
0030: 01 87 00 6a 20 05 00 54 00 17 00 67 00 00 80 00
0040: 0b 6a 20 02 14 01 07 fd 1f fc 00 a2 00 4f 14 04
0050: 00 2b 00 06 14 00 01 45 00 35 ff 69 00 01 00 00
0060: 0d 57 01 bd 00 30 0d 5a 00 58 00 08 00 e5 00 26
0070: 01 81 00 29 00 df 00 8f 01 80 00 62 00 e5 00 26
0080: 01 81 00 29 1a 05 41 01 80 01 00 00 00 17 98 fe
0090: 00 00 02 12 00 a4 00 06 00 00 00 13 00 00 3a aa
***********************************
* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 BPSK downlink))
pdu_length = 226
contents =
0000: 98 82 a8 9a 9e a6 e0 98 82 a8 9a 9e a6 63 03 f0
0010: 08 01 c0 00 00 cb 20 03 19 00 00 00 02 60 25 e7
0020: b6 00 00 00 13 60 25 e7 9b 01 00 1e 95 95 95 95
0030: 00 32 00 32 00 64 4f d0 00 64 e3 be 00 65 12 16
0040: 00 79 90 fe 00 af 2f 1b 00 af 22 06 00 af 0d a7
0050: 00 ae f4 de 00 67 35 f6 00 6b 12 08 00 60 73 91
0060: 00 69 b2 7f 00 6d 1f 97 00 43 4b 40 00 1d 7a 85
0070: 00 66 25 b3 00 6b 60 72 00 61 4c 7a 00 6c af b8
0080: 00 5f 68 df 00 47 be 2c 00 1d 12 cc 00 5e d5 db
0090: 00 5f fd 1c 00 5f eb bf 00 68 ad 49 00 5c 15 0e
00a0: 00 6b bb ce 00 1c ad 70 00 71 c2 a0 00 63 a1 91
00b0: 00 61 81 c2 00 5f 90 3b 00 60 70 33 00 6a 42 f9
00c0: 00 1d 1c cb 01 8f 00 a7 fe f8 fb 00 ff 9b 00 a6
00d0: ff eb fe c7 00 52 00 15 03 00 a9 0e 00 04 1b 13
00e0: 4d 43

73, Lapo IK5NAX

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