EurekAlert!

Chinese Meridian Project reveals: Storm-time ionosphere collapse disrupts HF radio propagation

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): ...
The Aviationist

Chinese Drills Around Taiwan ‘Cut Off’ its Early Warning Islands; Taipei Aims HF-3 Missiles at PLA Navy

China considers the islands of great strategic value, connecting Taiwan via sea and air links, as early warning features that can alert Taipei of advancing forces. Reminiscent of the angry and ...
Hackaday

ham radio

Talking about this Chinese ham radio transceiver requires a veritable flurry of acronyms: HF, SSB, QRP, and SDR to start with. [Paul] does a nice job of unboxing the rig and checking it out. The radio ...
ExtremeTech

F-22 May Have Shot Down Harmless Ham Radio Balloon Over Canada

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usace.army.mil

NETCOM Offers Training for a Timeless Technology: High Frequency (HF) Radio Communications

FORT HUACHUCA, Ariz., -- More than a century after Guglielmo Marconi helped pioneer trans-Atlantic communications, High Frequency (HF) has continued to be a consistent, economical and reliable ...