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By adminFebruary 1, 2025Posted inDX News
When my second trip to Kangaroo OC-139 was announced on internet in February 2014, I’ve received few messages from various countries (including Russia) with a common refrain - "Hmmm… almost…
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By adminJanuary 31, 2025Posted inDX News
The call sign OK4MM appears from time to time on this DX News portal, as well as on some other DX related web pages, mostly announcing activities from islands of…
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By adminJanuary 30, 2025Posted inDX News
Presentation covers radio technology development from the Maxwell's mathematical description of electromagnetic waves in 1860-1865, Hertz's development of a crude spark transmitter and spark receiver that proved the existence electromagnetic…