14378 Khz -Russian OFDM HDR (High Data Rate) Modem, CIS-45
The suppressed carrier frequency is not very suppressed. https://signals-analysis.blogspot.com/2009/11/ofdm-cis-45-ch-russian-hdr-modem-signal.html
The suppressed carrier frequency is not very suppressed. https://signals-analysis.blogspot.com/2009/11/ofdm-cis-45-ch-russian-hdr-modem-signal.html