NUSAT-2 beacons

good signal – good decoding – still no telemetry equations – so sad … :-(
2018-02-13 21:03:34
* MESSAGE DEBUG PRINT PDU VERBOSE *
()
pdu_length = 46
contents =
0000: 52 2b ff 00 08 4a 00 f0 f6 14 22 8a 89 8a 89 9f
0010: 68 ff 01 ff 01 7f 0c 3a 27 00 00 00 87 84 88 7f
0020: 04 04 91 1a 0f 49 48 06 0e 00 29 81 11 c7
***********************************
2018-02-13 21:03:36
* MESSAGE DEBUG PRINT PDU VERBOSE *
()
pdu_length = 46
contents =
0000: 52 2b ff 00 fe 49 00 c4 f5 14 22 8c 8c 8c 8c 9f
0010: 68 ff 00 ff 00 7f 07 3a 00 00 00 00 85 84 88 7e
0020: 02 02 91 1a 0f 49 48 06 0a 00 31 81 11 c7
***********************************
2018-02-13 21:03:39
* MESSAGE DEBUG PRINT PDU VERBOSE *
()
pdu_length = 46
contents =
0000: 52 2b ff 00 f6 49 00 d4 f4 14 22 8a 8a 8a 8a 9f
0010: 68 ff 01 ff 01 7f 01 3a 00 00 00 06 86 85 88 7e
0020: 01 01 91 3a 0f 49 48 06 06 00 35 81 11 c7
***********************************

NuSat-2

00:38 UTC

Thanks Daniel san , Mike san and Jan san
We got a lot of data
JA5BLZ decoded
JA0CAW received

* MESSAGE DEBUG PRINT PDU VERBOSE *
()
pdu_length = 64
contents =
0000: 1d 3a 8c 19 00 07 20 9e 4d a2 38 2b 97 70 45 74
0010: c5 09 80 c2 ba 00 30 2d 61 ca 09 db 32 56 6f e9
0020: 89 3c 3f 1f 93 ed c7 2e 92 65 81 bf 84 4a fe 43
0030: 04 e9 07 6d 7c 40 74 7c cb 73 94 23 ef 0c e7 93
***********************************

nusat0606-caw02
 

NuSAT-2 decoding

Thanks to Daniel Estévez and his article that is shown in the link below, I was able to decode the NuSAT-2 38k4 telemetry based on a replay from a recorded IQ file from last night pass.

nusat-gnuradio

Here some decoded data:

* MESSAGE DEBUG PRINT PDU VERBOSE *
()
pdu_length = 64
contents = 
0000: 1d 2d 0c 31 9d 16 30 b4 9b 25 2e 12 70 c7 d9 d9 
0010: 11 fa 0d af 0a f7 e7 e9 8d 05 32 d5 ae 10 3d 7a 
0020: 58 1d 42 bb ef 7a 64 6e 80 db c9 ca cc ee 98 67 
0030: 09 cb 5e 79 60 35 4b 43 8c 1e 86 93 55 1f 31 63 
***********************************
* MESSAGE DEBUG PRINT PDU VERBOSE *
()
pdu_length = 64
contents = 
0000: 1d 44 8c 39 9d 16 b0 92 cf f4 9a 74 0c aa 14 02 
0010: 20 b5 9d 80 31 b4 e5 0b 12 ff 56 10 b9 30 6a 49 
0020: 0a 8c d0 2b 8e b0 cd b7 3e 04 16 7a e5 fc e9 0e 
0030: ea 0e 51 50 8a 7e b9 1e a6 f3 59 ea 6f e3 0b 3f 
***********************************

Original article: Trying to decode NuSAT