In amateur radio circles, countless myths, half-truths, and real tricks are circulating. One of the most frequently debated topics: does the length of the coaxial antenna cable really matter? When is cable tuning useful, and when is it unnecessary? The Cable Length Myth – And What’s Behind It The Basics…
Modern advances in shortwave radio bands Introduction – Why is shortwave still relevant today? In recent decades, the world of telecommunications has seen explosive growth. VHF/UHF/SHF frequency bands dominate today’s mobile communications and satellite networks, delivering high-speed data across continents. Microwave links serve military, scientific, and commercial sectors, enabling ultra-fast,…
In the world of radio technology and amateur radio, few things are as critical as proper antenna matching. Impedance matching is a key factor that directly affects transmission efficiency, losses, and ultimately the achievable communication distances. This article provides an in-depth look into the theory and practice of impedance matching,…
Radio frequency jamming is one of the most serious threats to modern radio technology and communication systems. Although jamming was already known during World War I, in the age of digital and adaptive systems it has taken on entirely new dimensions. This article provides a detailed overview of the concept…