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For amateur radio operators, understanding how solar activity influences radio wave propagation is key to making successful long-distance (DX) contacts. One of the most important indicators of solar activity is the sunspot number. But what exactly is the sunspot number, and why is it so important for ham radio? Let’s dive in to learn about […]

Software Defined Radio (SDR) is a radio communication system where traditional hardware components—like mixers, filters, amplifiers, and modulators—are replaced or augmented by software running on a computer or embedded system. This approach allows for greater flexibility, as the radio’s functionality can be reconfigured through software updates rather than requiring physical hardware changes. SDRs are widely […]