A strong X-class solar flare erupted from the sun on Sunday, Feb. 23, creating radio blackouts across parts of the Pacific ...

Radio transmission in the 1.7-30 MHz frequency range worldwide. Like AM radio, shortwave signals reflect back from the ionosphere and follow the curvature of the earth. As a result, shortwave (SW ...

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 ...

With the push to having most of a radio receiver as part of a PC, it might seem odd to have a standalone communication receiver, but [OM0ET] reviews the latest one he picked up, an ATS25.

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.

The 320-ton rotating curtain antenna in Moosbrunn, Austria, was dismantled this week as part of the decommissioning of the historic shortwave radio site, according to reporting from the Austrian ...

NASA's Solar Dynamics Observatory captured an X1.1-class solar flare in multiple wavelengths. See time-lapse footage of the ...

Aeschylus is credited first for the time-worn aphorism that in war, truth is the first casualty. But in the next major ...

As the ORF radio station FM4 reported, there were probably a particularly large number of soldiers among the listeners, as they were equipped with short-wave devices. However, the operation of the ...

HFGCS is a global network on shortwave radio transmitters that work in classified and unclassified environments. The Air Force uses the network for communications between aircraft, as well as ...

The Sun has once again unleashed a powerful solar flare and this time it triggered radio blackouts. The flare, which happened ...