The International Amateur Radio Union Monitoring Service (IARUMS) reports interference on 40 meters from various Russian sources. The Russian coastal over-the-horizon (OTH) radar “Sunflower” was very active on 40 meters and audible in Europe in the evenings, transmitting FM on pulse. The site is believed to be northeast of Vladivostok. IARUMS Region 1 Coordinator Wolf Hadel, DK2OM, said it was monitored in September.
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