Tag: OTH-R

via the ARRL: Reported Russian Ham Band Intruders Continue to be Troublesome

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 […]

PODCAST: This Week in Amateur Radio #930 – Special Christmas Edition

Edition # 930 – Release date: Saturday, December 24, 2016 This podcast is suitable for air on amateur radio frequencies. Here is a summary of the news trending This Week in Amateur Radio. This is for Edition #930 with a release and air date of Saturday, December 24, 2016. This week’s edition is anchored by […]

PODCAST: This Week in Amateur Radio #929

Edition # 929 – Release date: Saturday, December 17, 2016 This podcast is suitable for air on amateur radio frequencies. Here is a summary of the news trending This Week in Amateur Radio. This is for Edition #929 with a release and air date of Saturday, December 17, 2016. This week’s edition is anchored by […]

Chinese Over-the-Horizon Radar QRMing Low End of 40 Meters

The IARU Region 1 (IARU-R1) Monitoring System newsletter reports that one of China’s HF Over-the-Horizon radars (OTH-R) has been transmitting on 6.999 MHz, impinging on the very low end of the 40-meter band. As the newsletter reported: “A jumping Chinese OTH radar covered the CW DX-edge of our exclusive 7 MHz band on November 17 […]

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