Unidentified signal at 161.252 kHz

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Unidentified signal at 161.252 kHzKiloHertz (kHz) 10^3 Hz
UnSignal.PNG
Frequencies 161.252 kHzKiloHertz (kHz) 10^3 Hz161,252 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.161 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 161252 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).161.252 kHzKiloHertz (kHz) 10^3 Hz
0.161 MHzMegaHertz (MHz) 10^6 Hz
161252 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).161.252 kHzKiloHertz (kHz) 10^3 Hz
0.161 MHzMegaHertz (MHz) 10^6 Hz
Mode NFMNarrowband Frequency Modulation
Modulation
Bandwidth 12 kHzKiloHertz (kHz) 10^3 Hz12,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.012 MHzMegaHertz (MHz) 10^6 Hz
12 kHzKiloHertz (kHz) 10^3 Hz
0.012 MHzMegaHertz (MHz) 10^6 Hz
12 kHzKiloHertz (kHz) 10^3 Hz
0.012 MHzMegaHertz (MHz) 10^6 Hz
Location Burgas, Bulgaria
Short Description Signal at 161.252.000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). on 12 kHzKiloHertz (kHz) 10^3 Hz NFMNarrowband Frequency Modulation bandwidth. I think it's some sort of vessel communication system, because I live near the coast of Burgas, Bulgaria. I am not familiar with the decoding of this digital signal.
I/Q Raw Recording
Audio Sample

Signal at 161.252.000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). on 12 kHzKiloHertz (kHz) 10^3 Hz NFMNarrowband Frequency Modulation bandwidth. I think it's some sort of vessel communication system, because I live near the coast of Burgas, Bulgaria. I am not familiar with the decoding of this digital signal.

Unidentified signal