3CAT-2 BPSK 9600bps
● (No.919) 3CAT-2 BPSK 9600bps (2016年8月28日)
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CubeSat 3CAT-2 was launched in Beijing, 15 Aug 2016.
Universitat Politecnica de Catalunya, Spain
Spaceflight101 News
Downlinks list as follows.
145.970MHz BPSK 9600bps
2401.000MHz GMSK up to 100kbps
TLE maybe
2016-051A 41731U 16051A
2016-051B 41732U 16051B
2016-051C 41733U 16051C
3CAT-2 ID 41732U 16051B
Decoding packets in 3CAT-2
Telemetry format of 3CAT-2
Missions & Projects 3CAT-2
3CAT-2 decoded by JA5BLZ
10:54 JST, 27 Aug 2016
12:06 JST, 28 Aug 2016
9K6 BPSK
SDR# tune manual
UZ7HO BPSK 9600
AGW-online-kiss
Replay I/Q wav
28 Aug 2016
3CAT-2 9k6 BPSK
本来 約20秒間隔の信号を、短く集約しています。
なお、2401.000MHz信号は今現在、出ていません。
Received wav by JE9PEL/1
28 Aug 2016
3CAT-2 9K6 BPSK
SDR# tune manual
UZ7HO BPSK 9600
AGW-online-kiss
Source I/Q wav
Decoded wav by JE9PEL/1
[補足]
Re: Soundmodem BPSK 9600
From: Andy UZ7HO
To: Mineo Wakita
Date: Sun, 28 Aug 2016 21:00:08 +0300
Hi Mineo!
That's good news.. I see you have used ~6800 Hz carrier frequency,
I recommend to use ~9-10 kHz that because baseband signal is around +/- 8 kHz.
PS. Thank you for APRS 9600 record, that you sent me some years ago,
today it was very useful for my tests.
Andy UZ7HO
3CAT2 real-time decoded
3CAT2 9k6 BPSK を、リアルタイムでデコードすることができました。
11:11-11:23JST, 4 Sep 2016, Ele 76 S-Z-N, 145.970MHz 9600bps BPSK
http://www.dropbox.com/s/m28zwb08jx50c54/60904c33.wav?dl=0
2016-09-04 02:15:28.950 UTC: [89 Bytes KISS Frame (without CRC)]
ctrl: 32 PID: 30 {I10^} 56 Payload Bytes
from 3CAT2 to UPC via _x____-9,______-10:
1 > 34 20 30 39 09 31 20 30 20 35 2E 34 65 2D 30 31 20 32 2E 36
21 > 65 2D 30 31 20 31 2E 30 65 2B 30 30 20 36 2E 39 65 2D 30 39
41 > 20 31 2E 37 65 2D 30 39 20 31 2E 37 65 2D 30 38
4 09.1 0 5.4e-01 2.6e-01 1.0e+00 6.9e-09 1.7e-09 1.7e-08
_________________________________________________________________________
2016-09-04 02:15:48.610 UTC: [89 Bytes KISS Frame (without CRC)]
ctrl: 32 PID: 30 {I10^} 56 Payload Bytes
from 3CAT2 to UPC via _x____-9,______-10:
1 > 34 20 31 30 09 31 20 30 20 32 2E 37 65 2D 30 31 20 31 2E 35
21 > 65 2D 30 31 20 31 2E 30 65 2B 30 30 20 36 2E 39 65 2D 30 39
41 > 20 31 2E 37 65 2D 30 39 20 31 2E 37 65 2D 30 38
4 10.1 0 2.7e-01 1.5e-01 1.0e+00 6.9e-09 1.7e-09 1.7e-08
_________________________________________________________________________
2016-09-04 02:16:29.680 UTC: [89 Bytes KISS Frame (without CRC)]
ctrl: 32 PID: 30 {I10^} 56 Payload Bytes
from 3CAT2 to UPC via _x____-9,______-10:
1 > 34 20 31 30 09 31 20 30 20 31 2E 33 65 2D 30 31 20 31 2E 32
21 > 65 2D 30 31 20 31 2E 30 65 2B 30 30 20 37 2E 30 65 2D 30 39
41 > 20 31 2E 37 65 2D 30 39 20 31 2E 37 65 2D 30 38
4 10.1 0 1.3e-01 1.2e-01 1.0e+00 7.0e-09 1.7e-09 1.7e-08
_________________________________________________________________________
2016-09-04 02:16:49.460 UTC: [89 Bytes KISS Frame (without CRC)]
ctrl: 32 PID: 30 {I10^} 56 Payload Bytes
from 3CAT2 to UPC via _x____-9,______-11:
1 > 34 20 30 39 09 31 20 30 20 36 2E 34 65 2D 30 31 20 33 2E 33
21 > 65 2D 30 31 20 39 2E 30 65 2D 30 31 20 36 2E 39 65 2D 30 39
41 > 20 31 2E 37 65 2D 30 39 20 31 2E 37 65 2D 30 38
4 09.1 0 6.4e-01 3.3e-01 9.0e-01 6.9e-09 1.7e-09 1.7e-08
_________________________________________________________________________
[参考]
Telemetry format of 3CAT-2
How hard is it to decode 3CAT-2? by Daniel Estevez
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