RUSSISAN DIPLOMATIC
34-TONE MFSK SYSTEM
(Waveform is part of the Russian "SURA" and
"SERDOLIK" long range radio-system)
(also known as "CROWD36"*
in
the hobbyist and SWL community)
FFT SPECTRA
-
FFT-Spectrum versus time, frequency and
signal intensity (station sending offline crypto 5 letter group crypto)
-
FFT-Spectrum versus time, frequency and
signal intensity (station using 10 Bd "chat" mode)
-
FFT-Spectrum versus frequency and signal
intensity
-
Tone distribution on the Serdolik 40 Bd
MFSK waveform
*
Crowd36 is an unofficial name used by Hoka Electronics in their decoders
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