Regarding Observation 2104928 …
Didn’t get anything out of this until I read that it may well be AFSK AX.25 1200bd. Sure enough the frame popped out:
1:Fm SR6SAT-6 To APDST4-6 Via WIDE1-1,WIDE2-1 [19:56:16R] [SINGLE]
=U1;MS;1613410383;56;200;165
The frame shown in the example is an APRS packet and is not related to Swiatowid (44426). The Swiatowid AFSK AX.25 1200bd telemetry data look like Observation 2125528 (see Data ASCII ).
It decoded in soundmodem and direwolf (so it isn’t surprising it looks like an aprs packet)