25 November 2015

Unid MFSK-4 50Bd 100Hz

Unidentified signal heard on 6259.0 KHz  (cf +550 Hz) at 0748z on 25 November. It consists of 4 channels separated by 100 Hz and manipulated at 50 Baud; the signal occupies a bandwidth of about 375 Hz. Signal quality is poor and affected by deep fading so that the signal results not well structured at analysis. ACF is 0 ms.

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