Unknown signal between 424.000MHz and 425.000MHz

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Unknown signal between 424.000MHz and 425.000MHz
Waterfallbetec22112017.png
Frequencies 424.5125MHz424,512,500 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
424,512.5 kHzKiloHertz (kHz) 10^3 Hz
,424.6875MHz424,687,500 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
424,687.5 kHzKiloHertz (kHz) 10^3 Hz
,424.8000MHz424,800,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
424,800 kHzKiloHertz (kHz) 10^3 Hz
Frequency Range 424512500 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).424,512.5 kHzKiloHertz (kHz) 10^3 Hz
424.513 MHzMegaHertz (MHz) 10^6 Hz
424800000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).424,800 kHzKiloHertz (kHz) 10^3 Hz
424.8 MHzMegaHertz (MHz) 10^6 Hz
Mode NFMNarrowband Frequency Modulation
Modulation
Bandwidth 15.000Hz0.015 kHzKiloHertz (kHz) 10^3 Hz
1.5e-5 MHzMegaHertz (MHz) 10^6 Hz
0.015 kHzKiloHertz (kHz) 10^3 Hz
1.5e-5 MHzMegaHertz (MHz) 10^6 Hz
0.015 kHzKiloHertz (kHz) 10^3 Hz
1.5e-5 MHzMegaHertz (MHz) 10^6 Hz
Location Belgium
Short Description Unknown signal in Belgium between 424 and 425MHz. Permanent data stream.
I/Q Raw Recording
Audio Sample

Tetra band used by the bus company 'De Lijn'. Doesn't sound typical. Possibly MPT1327.


IQ link: https://mega.nz/#!Ps8yRRoC!7gUEhd_Y8Pv_5GxfkRV8YgeAMocYm9muxxYlJ2X1nu0