2.920 MHz USB
2920 kHz USB Russian radio chatter RU radio comms pirates freebanders 2 MHz band 2-3 MHz band right at the top edge of medium wave.
Well known "100 meter" calling frequency, basically the SSB version of the 3.0 MHz to 3.2 MHz or 3.3 MHz "Trioka" band (100 meter band).
Two stations having a very loud QSO at 1857z 18:57 GMT tune in, via UK based SDR receiver (G8JNJ SDR located in Wessex, UK).
Very frequent CODAR or other wideband over the horizon radar BLIP BLIP BLIP BLIP BLIP BLIP, bandwidth roughly 200 kHz to 250 kHz.
At 1859 UTC, radar blip blip blip blip QRM disappeared.