When Russia’s obscure shortwave station UVB-76 crackled to life again, it did more than startle radio hobbyists. It revived ...
Made by KiwiSDR NZ in New Zealand, the KiwiSDR 2 is a software-defined radio with its own computer, packed into a small metal ...
For decades, mysterious shortwave radio broadcasts transmitted eerie sequences of numbers, tones, and robotic voices to ...