Made by KiwiSDR NZ in New Zealand, the KiwiSDR 2 is a software-defined radio with its own computer, packed into a small metal ...

[Mikrowave1] had a Unelco shortwave receiver as a kid. This was a typical simple radio for the 1960s using germanium and silicon transistors. It also had plug-in coils you had to insert into sockets ...

Surprise! Shortwave radio as a broadcast medium is holding its own, despite the intrusion of the internet, transmission cutbacks by major broadcasters such as the BBC World Service and Voice of ...

A prior version of this story stated incorrectly that “the higher the frequency, the shorter the wavelength, and the farther signals can travel.” It has been corrected as follows: “Such shortwave ...