6 August 2015

Unid FSK 75Bd/850 + 1 KHz spaced 3 tones


heard on 7476.0 USB from 1159, when I went on that freq, until 1215 (s/off).
Clearly visible 3 bit code (1 bit sync) in FSK-2 75Bd/850 segment, this encoding is used in some Chinese signals (KarapuZ).

recording available on request

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