The latest IARU-R1 Monitoring System newsletter reports on the continuing interference on various frequencies in the 7 MHz band from Russian language propaganda broadcasts Over The Horizon Radar (OTHR) systems in the Russian Federation and China continue to cause interference in the amateur 14 and 21 MHz bands and Iran has been operating a radar in the 21 and 28 MHz bands. The International Amateur Radio Union Monitoring System (IARUMS) Region 1 June 2020 newsletter can be read at Recordings of military transmissions can be found on the Signal Identification Guide Wiki at Monitor the short wave bands on-line with a web based SDR receiver at IARU Monitoring System (IARUMS) |