Need help with identifying amateur radio digital signal


#1

Could you help me please to identify this signal:

Recording (upper sideband): https://afiskon.ru/s/88/ab789488f7_unknown_signal_bpsk.mp3

This is definitely not RTTY. It seems to be PSK-modulated, but it’s not BPSK-31. Doesn’t sound like SSTV. I tried different modulations in Fldigi and didn’t manage to identify it.

What is that?


#2

My normal starting point for an unknown signal at 14MHz would be to click on “HF” (3MHz to 30MHz) here: https://www.sigidwiki.com/wiki/Signal_Identification_Guide and look for signals that are similar with the same bandwidth.