LONDON, Sept. 10, 2025 /PRNewswire/ -- Ultra Cyber Ltd., an Ultra I&C company, and DTC, a Codan company, have signed a Memorandum of Understanding (MOU) to develop encrypted high frequency (HF) radio ...

6 Best HF Antennas for 2025 to Boost Your Ham Radio Signal Anywhere Links to the best HF Antennas are listed down below: 6. Moonraker Ltd GPA-80 5. DX Engineering XB-5 Hexx Beam HF Antenna 4. Foul ...

The TEC and radio wave interruptions observed in the Chinese region. (a-b): Ionogram at 06:00UT on 10 May, 2024 in CSSL station (116.20°E, 40.30°N) and SAYA station (109.63°E, 18.35°N). (c-d): ...

HF radio remains essential to modern tactical communications. Image credit: AlejandroCarnicero via Shutterstock To protect its citizens, regional defence forces must be well-equipped and ...

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The Radio Club of America has announced both its annual award recipients and its incoming class of 2024 fellows. Through these awards, RCA has recognized individuals for their contributions to the ...

Despite its size, Wiluna holds remarkable significance in the field of high-frequency radio as a transmission site for weather warnings and distress signals. In 1896, gold miners hit the jackpot in ...

A solar storm that has been roiling in the Earth's atmosphere for three days has led to a polar cap absorption event (PCA), wiping out radio communications near the North and South poles. The storm ...

Abstract: The ability to determine the direction of incident radio waves is useful in a wide variety of different applications. For high frequency (HF) radio waves, this is commonly done using wide ...