Tag: Over-The-Horizon Radar

Via the ARRL: Russian OTH Radar Now Reported to be “Everywhere”

The latest International Amateur Radio Union Region 1 Monitoring System (IARUMS) newsletter reports the Russian “Contayner” over-the-horizon radar (OTHR) has been active in the 7, 10, 14, and 18 MHz amateur radio allocations (amateur radio is primary on 40 and 20 meters). The OTHR transmissions have been 40 sweeps/second, FM on pulse, and 12 kHz […]

via the ARRL: Over-the-Horizon Radars Continue to Plague Amateur Bands

The International Amateur Radio Union Region 1 Monitoring System (IARUMS) reports a “new kind” of over-the-horizon (OTH) radar on 20 meters. The intruding signal, which appears to be emanating from the Far East, was monitored during May on 14.140 – 14.150 MHz. Another Chinese wideband OTH radar has been showing up on 15 meters, with a signal […]

via the ARRL: Russian “Sunflower” Coastal Radar Showing Up on 60, 40, and 75 Meters

The January issue of the IARU Region 1 Monitoring System (IARUMS) newsletter reports the Russian “Sunflower” coastal radar, located east of Vladivostok, is being heard at nights on 3,716 kHz and 6,860 – 7,005 kHz, as well as on several 60-meter frequencies. A Chinese wideband over-the-horizon (OTH) radar also appeared on 7.000 MHz in early January. While 60 […]

via the ARRL: Over-the-Horizon Radar Reported on 15 Meters

The International Amateur Radio Union Region 1 (IARU-R1) Monitoring System (IARUMS) reports that an over-the-horizon (OTH) radar located on Cyprus has been active on 21.170 MHz, which is inside an exclusive Amateur Radio allocation. “The Sovereign Base areas of Akrotiri and Dhekelia is a British Overseas Territory on the island of Cyprus,” IARUMS Coordinator Wolf […]

via the ARRL: IARU Region 1 Monitoring System Reports Disappearance of Two 40-Meter Broadcast Intruders

The IARU Region 1 Monitoring System (IARUMS) reports that two long-time broadcast intruders on 40 meters are gone. IARUMS Coordinator Wolf Hadel, DK2OM, said in the August IARUMS newsletter that Radio Hargeisa in the Republic of Somaliland on 7.120 MHz, and Radio Ethiopia on 7.140 MHz, departed the band during the last week of August. “We did […]

via the ARRL: Indonesian Pirates on 7 MHz Heard in Europe

The International Amateur Radio Union Region 1 (IARU Region 1) Monitoring System (IARUMS) December newsletter reports that many Indonesian “pirates” were heard on December 30, 2017, in the 7.000 to 7.040 MHz range, USB/LSB, active in 5-kHz increments, “laughing, singing, and talking.” Signals were reported to be “rather strong in Europe.” Adding to the mix were Chinese […]

Not All “Intruders” on Ham Bands are Illegal — But a Lot of Them Are

The monthly newsletter of the International Amateur Radio Union Region 1 Monitoring Service (IARUMS) typically makes for some interesting reading. While the reports that come from more than two dozen contributors in Europe and Africa can be a bit visually dense, the content conveys the impression that that there are myriad intruders on the Amateur […]

PODCAST: This Week in Amateur Radio #938

This Week in Amateur Radio #938 Week of February 18, 2017 DOWNLOAD HERE: http://bit.ly/TWIAR938 Running Time: 1:18:13 Here is a summary of the news trending This Week in Amateur Radio. This is for Edition #938 with a release and air date of Saturday, February 18, 2017. This weeks edition is anchored by Chris Perrine, KB2FAF, […]

“Mysterious Foghorn” is Chinese Over-the-Horizon Burst Radar

The International Amateur Radio Union Region 1 (IARU-R1) Monitoring System (IARUMS) newsletter reports a mysterious “foghorn” — a Chinese over-the-horizon (OTH) burst radar — is operating in Amateur Radio bands. “We observed the mysterious foghorn on 7, 10, and 14 MHz,” the newsletter recounted. “This is a Chinese OTH radar, which is often jumping, and […]

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 […]