RWM is the callsign of a high frequency (shortwave) standard frequency and time signal radio station in Moscow, Russia. RWM transmits on 4996 kHz with 5 kW and on 14996 kHz with 8 kW. The frequencies are very close to those of WWV, and WWVH. Because of this, RWM is very difficult to receive in North America with simple receivers of low selectivity... Found on http://en.wikipedia.org/wiki/RWM