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CTCSS fingerprinting: A method for transmitter identification

CTCSS fingerprinting: A method for transmitter identification

Oona Räisänen from Absorptions wrote an article about experimenting with CTCSS fingerprinting:



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Identifying unknown radio transmitters by their signals is called radio fingerprinting. It is usually based on rise-time signatures, i.e. characteristic differences in how the transmitter frequency fluctuates at carrier power-up. Here, instead, I investigate the fingerprintability of another feature in hand-held FM transceivers, known as CTCSS or Continuous Tone-Coded Squelch System.

More details at Absorptions site.

 




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