Using the audio from the observation you shared, I decoded the following 9k6 G3RUH/AX25 frame:
***** VERBOSE PDU DEBUG PRINT ******
((transmitter . 9k6 G3RUH FSK downlink))
pdu length = 135 bytes
pdu vector contents =
0000: a6 9e aa a4 86 8a 60 88 8a a6 a8 92 9c e1 03 f0
0010: 01 01 6d 00 0c 01 09 08 8c 10 59 af 50 00 00 00
0020: 00 bb 2a 4a 41 00 00 00 00 bb 48 55 c1 00 00 00
0030: 00 0c 15 21 41 00 00 00 00 00 82 a0 40 00 00 00
0040: 00 80 ed a6 40 00 00 00 00 40 b5 b2 c0 00 00 00
0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0060: 00 00 00 00 00 28 e8 da 2b 40 9b de 3f 5f 91 33
0070: 1c 4f 04 54 bf ef e3 11 9a ef 3c 8c bf 91 81 5f
0080: 69 5a e0 46 3f 88 46
************************************
-> Packet from 9k6 G3RUH FSK downlink
Container:
header = Container:
addresses = ListContainer:
Container:
callsign = u'SOURCE' (total 6)
ssid = Container:
ch = False
ssid = 0
extension = False
Container:
callsign = u'DESTIN' (total 6)
ssid = Container:
ch = True
ssid = 0
extension = True
control = 0x03
pid = 0xF0
info = b'\x01\x01m\x00\x0c\x01\t\x08\x8c\x10Y\xafP\x00\x00\x00\x00\xbb*JA\x00\x00\x00\x00\xbbHU\xc1\x00\x00\x00\x00\x0c\x15!A\x00\x00\x00\x00\x00\x82\xa0@\x00\x00\x00\x00\x80\xed\xa6@\x00\x00\x00\x00@\xb5\xb2\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00(\xe8\xda+@\x9b\xde?_\x913\x1cO\x04T\xbf\xef\xe3\x11\x9a\xef<\x8c\xbf\x91\x81_iZ\xe0F?\x88F' (total 119)