Russian Radar and Voice of Iran on 21 MHz

The IARU Monitoring System newsletter reports a Russian radar covered the entire 21 MHz amateur radio band and a spurious emission from Voice of Iran is also causing interference

The International Amateur Radio Union Monitoring System (IARUMS) Region 1 September 2014 newsletter -

Reports of Amateur Band intruders can be logged on the IARU Region 1 Monitoring System Logger -

Monitor the shortwave bands on-line with a web based SDR receiver -