We tested the best hand-crank radios to find out which ones could help you stay prepared in emergencies. In addition to our ...
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 ...
A QSL Card from Radio Moscow probably got many 14-year-olds on government watch lists. (Public domain) Between World War II and Y2K, shortwave listening was quite an education. With a simple ...
This is KDDI Corp.’s Yamata Transmitting Station, the nation’s only facility broadcasting shortwave radio programs to overseas listeners. The station started broadcasts on Jan. 1, 1941.
Rather than take a shortwave transmitter offline to shut down a service, RNZ Pacific replaced it with a new 100 kW Ampegon TSW-2100 transmitter. As Radio World’s Carter Ross reported at the time, “The ...
NASA's Solar Dynamics Observatory captured an X1.1-class solar flare in multiple wavelengths. See time-lapse footage of the ...
Depending on your use case, there is probably a Bluetooth tracker for you. Here are 10 notable Bluetooth trackers worth your ...
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 ...
While technical systems are expected to experience only moderate effects during the storm, the solar flare that triggered these CMEs caused a brief shortwave radio blackout over parts of Africa ...
This radio tunes three bands: AM broadcast, police, and shortwave. It also has electronic pushbutton tuning for seven preset stations (you can set them to any stations you choose). The chassis has ...