6907.0 KHz (cf): unid SELCAL waveform spotted on 6907.0 KHz (cf),. The waveform consists of 40Bd/240 FSK idling part followed by MFSK-36 40Bd/40 (likely the Id of called station).
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| Fig. 1 |
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| Fig. 2 |
https://disk.yandex.com/d/XlHhceBC9fLlvQ
https://disk.yandex.com/d/XlHhceBC9fLlvQ