20 October 2015

Chinese OFDM 30-tone

heard on 20 October around 0615z on 14429.5 KHz on USB: the waveform has a pilot tone at ~445Hz (the lower frequency in the spectrum), 30 carriers 75 Hz spaced with BPSK modulation at 60Bd speed. Preamble consists of four QPSK 60Bd modulated tones, 600 Hz spaced.

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