Unknown signal at 444p019143

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Unknown signal at 444p019143
SDRSharp 20160520 144330Z 444019143Hz AF.png
Frequencies 444.019143 MHz
Frequency Range 444.019143 MHz - 444.019143 MHz
Mode NFM
Modulation
ACF
Bandwidth 6 kHz
Location Hungary
Short Description I'm new to radio and I've just found this signal. There are a few similar other signals around this one.
I/Q Raw Recording Download file
Audio Sample

I'm new to radio and I've just found this signal. There are a few similar other signals around this one.


Samples

Presumably in this frequency range it concerns services of the Hungarian railway. Digital train radio via radio relay system as well as signal control and commands for setting points. I found this "multiple transmissions" only near bigger train-stations.

Frequencies

444.019143

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