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): ...

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 ...

Two years ago, in my home state of Kentucky, we had a devastating tornado that traveled nearly 200 miles, leveled towns, killed scores of people, and left widespread devastation. When emergency ...

Scanning the firehose of new electronic kits and modules coming from the usual Chinese suppliers can be a rewarding experience, as sometimes among the endless breakout boards comes an item that looks ...

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 ...