437.130 MHZ – 4k8 GMSK (?)

00:43 UTC – but now :-) thanks, Andy for the hint – G3RUH 4800bd, latest 0.27 HSM version

from KSUC1-8 to 7Z1KSU:
1 > 16 42 02 00 01 00 42 00 05 00 05 00 05 00 00 00 00 00 01 00
21 > D9 FF 00 00 22 00 00 00 00 00 02 00 03 00 03 00 02 00 00 20
41 > 00 00 30 1E 32 AA 00 00 50 15 31 60 C4 0C 04 04 52 7C 22 19
61 > EB 0E 50 15 31 60 EC A9 00 00 22 00 3C 1E
.B....B.............Ùÿ..".............. ..0.2ª..P.1`Ä...R|".ë.P.1`ì©..".<. ________________________________________________________________________________ 2021-03-22 23:42:24.527 UTC: [93 Bytes KISS Frame (without CRC)] ctrl: 0 PID: F0 {I00^} 74 Payload Bytes from KSUC1-8 to 7Z1KSU: 1 > 16 42 02 00 01 00 42 00 05 00 05 00 07 00 00 00 00 00 01 00
21 > DA FF 01 00 20 00 00 00 00 00 03 00 03 00 04 00 03 00 00 20
41 > 00 00 30 1E D8 A9 00 00 F6 14 31 60 C4 0C 05 05 59 7F 22 19
61 > EB 0E F6 14 31 60 92 A9 00 00 23 00 3C 1E
.B....B.............Úÿ.. .............. ..0.Ø©..ö.1`Ä...Y".ë.ö.1`’©..#.<. ________________________________________________________________________________ 2021-03-22 23:42:26.806 UTC: [93 Bytes KISS Frame (without CRC)] ctrl: 0 PID: F0 {I00^} 74 Payload Bytes from KSUC1-8 to 7Z1KSU: 1 > 16 42 02 00 01 00 42 00 07 00 05 00 05 00 00 00 00 00 01 00
21 > D7 FF 00 00 22 00 00 00 00 00 03 00 03 00 03 00 03 00 00 20
41 > 00 00 30 1E F6 A9 00 00 14 15 31 60 C4 0C 05 05 60 78 22 19
61 > EB 0E 14 15 31 60 B0 A9 00 00 22 00 3C 1E