2,990kHz 2.990 MHz 2,990 MHz
Receiver - G8JNJ SDR (Flydog SDR) located SW UK South West UK.
Tuned in around 1900 UTC, now 1909 UTC and they're still going strong. Slightly off-frequency, one of the stations seems to be closer to 2990.1 kHz instead of 2990.0 kHz...while the other may be on 2989.9 kHz USB.
Some QRM from the usual 3MHz band AM pirate or 2-3 MHz band marine comms (also in Russian) i.e. 100m band or 95 meter band, 3000 kHz to roughly 3300 kHz or so. Informal QSO.