After getting his hands on this relic [Gregory Charvat] manage to hack it, converting the receiver into a transceiver. It may be old, but the R-390A is nothing to scoff at. It’s abilities ...

With the audio signal fed to HDSDR, [Aniss] was able to pick up a shortwave radio broadcaster. While this is by no means a high-performance receiver, building an SDR on a breadboard is still a ...

The Halfloop encryption algorithm used by the US military and NATO to protect shortwave radios contains serious security ...

Despite the advent of satellite and internet broadcasting, shortwave radios still have an important role to play. The Yamata Transmitting Station is broadcasting NHK’s World Radio Japan program.

Shortwave radio is often used by the military, emergency services and industries that require extremely robust long-distance communication without external infrastructure. But the half-loop ...