Observation 6313699: Geoscan-Edelveis (99395)

After some further investigation, it seems my initial IQ replay could be wrong.
Based on a new AF recording I got the following:

* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 FSK downlink))
pdu_length = 64
contents = 
0000: 01 00 29 02 20 ff ff ff ff ff ff ff ff ff ff ff 
0010: ff ff ff ff ff ff ff ff ff 58 14 ff 54 4b ed 0c 
0020: 05 0b 07 80 07 01 02 00 02 00 00 00 00 00 00 00 
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
***********************************

Some extra decoded frames:

* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 FSK downlink))
pdu_length = 64
contents = 
0000: 01 00 26 04 20 84 8a 82 86 9e 9c 60 a4 a6 64 60 
0010: a6 40 60 03 f0 0c 00 e1 05 bd 05 1b 00 09 00 58 
0020: 9e c7 09 e6 eb 00 f8 01 00 00 00 00 00 00 00 00 
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
***********************************
gr::log :INFO: crc_check0 - CRC OK
* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 FSK downlink))
pdu_length = 64
contents = 
0000: 01 00 26 04 20 84 8a 82 86 9e 9c 60 a4 a6 64 60 
0010: a6 40 60 03 f0 0c 00 e1 05 bd 05 1b 00 09 00 58 
0020: 9e c7 09 e6 eb 00 f8 01 00 00 00 00 00 00 00 00 
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
***********************************
gr::log :INFO: crc_check0 - CRC OK
* MESSAGE DEBUG PRINT PDU VERBOSE *
((transmitter . 9k6 FSK downlink))
pdu_length = 64
contents = 
0000: 01 00 26 04 20 84 8a 82 86 9e 9c 60 a4 a6 64 60 
0010: a6 40 60 03 f0 0c 00 e1 05 bd 05 1b 00 09 00 58 
0020: 9e c7 09 e7 ec 00 f8 01 00 00 00 00 00 00 00 00 
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
***********************************

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