Category: Shortwave

via the ARRL: Tiny LF Signal Makes the Hop from Newfoundland to the UK

For Joe Craig, VO1NA, in Torbay, Newfoundland, things have been pretty exciting lately on VLF (very low frequency). He’s among the early MF, LF, and VLF experimenters in North America — active even before Canada allocated Amateur Radio bands in that part of the spectrum. He believes he accomplished a “first” for a Canadian radio […]

via the ARRL: CW from Catalonia, Stanag-4285 from Turkey Make IARU Monitoring System Intruder List.

An unknown station transmitted “Freedom for Catalonia” in a CW loop on September 26 (1710 UTC) at 14.001 MHz, the International Amateur Radio Union Region 1 Monitoring System said, in its September newsletter. Topping the intruder list, however, was a Stanag-4285 digital mode signal that appeared on 7.001.8 MHz for several days. The transmitting station was […]

Radio Caroline Getting Permanent Perch in MW AM Band

Radio Caroline, the latter-day incarnation of the famous shipboard pirate radio station that beamed rock music to the UK in the 1960s and 1970s, has obtained a license to operate permanently on 648 kHz at 1 kW ERP. A transmitter imported from Europe has been undergoing necessary modifications to suit the MW frequency, which falls […]

via the ARRL: North Korea Said to be “Aggressively” Jamming BBC Korean Language Service

The BBC’s Korean-language service, launched on September 25, is being “aggressively targeted” by North Korean jamming, according to a report in The Telegraph of London. The service broadcasts global news, sports, and features to the entire Korean Peninsula for 3 hours starting at 1530 UTC (12:30 AM in North Korea) 7 days a week on 1,431, 5,810, and 9,940 […]

CNN: Ham radio operators are saving Puerto Rico one transmission at a time

The phone call from the Red Cross came in late Friday night, just as the full scale of Hurricane Maria’s calamity began taking shape. “We need 50 of your best radio operators to go down to Puerto Rico.” In the days after the worst storm in three generations hit the American island — and for […]

via the ARRL: FEMA Announces Regions that Could Activate on 60-Meters for Hurricane Irma

The below listed Federal Emergency Management Agency (FEMA) Regions, including call signs, could be activating the 5 MHz/60-meter band frequencies in support of a possible response to Hurricane Irma on September 5. Region 1 — KF1EMA Region 2 — KF2EMA (includes Puerto Rico and US Virgin Islands) Region 3 — KF3EMA Region 4 — KF4EMA […]

Space Weather Prediction Center Upgrades Geomagnetic Storm Watch to G3 (Strong)

NOAA’s Space Weather Prediction Center (SWPC) has upgraded its geomagnetic storm watch for today and tomorrow (September 6 and 7) to G3 (Strong). “The G3 Watch is in anticipation of the expected arrival of a coronal mass ejection (CME) that took place in association with an M5 flare,” the SWPC said. The Center said its […]

More Professional and Citizen Research Suggests Eclipse Briefly Affected HF Propagation

Both professional and citizen scientists conducted formal and informal investigations into the effect of the August 21 solar eclipse on HF radio propagation. Nathaniel Frissell, W2NAF, of HamSCI, has said it will take some time to get a more scientific analysis of data compiled during the Solar Eclipse QSO Party. Frissell and others are investigating […]

Radio Eritrea and Radio Ethiopia Still Battling on 40 Meters

It was a now-familiar story in the July edition of the International Amateur Radio Union Region 1 (IARU R1) Monitoring System (IARUMS) newsletter, which reports that Radio Eritrea and Radio Ethiopia are still slugging it out i the 40-meter phone band. IARU Region 1 includes Europe, Africa, the Middle East, and Northern Asia. “The hostile […]

WWV 25 MHz Signal Swapped to Circular Polarization, Reception Reports Invited

The resurrected 25-MHz signal of time and frequency standard station WWV is now emanating from a circularly polarized turnstile antenna. WWV had used a vertically polarized antenna on 25 MHz in the 1970s. Silent since 1977, the 25-MHz signal returned to the air on an “experimental basis” in April 2014, and it’s been transmitting ever […]

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