Adventist News NetworkAdventist World Radio selects its financial officer as new presidentAdventist News NetworkAWR provides thousands of hours a day in broadcasting in 107 languages […]
Sammanfattning: We discuss various topics concerning the propagation, generation, and detec-tionof high-frequency (HF) radio waves in the Earth’s ionosphere. With re-gardsto propagation, we derive a […]
Envoy is the world’s most advanced commercial HF radio, featuring digital voice for hiss-free communication, market-leading RF performance, ethernet and USB connectivity, and a large […]
Amherst Centennial: Remembering Amherst's contribution to the warNew Era ProgressHe finally delivered the message he had received via shortwave radio, that Pearl Harbor had been […]