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

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 ...

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 ...

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 ...

Package Dimensions: 26.67 cms (L) x 14.732 cms (W) x 8.382 cms (H) Product Type: Radio Package Quantity: 1 Country Of Origin: Japan ...

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 ...

A shortwave radio service that would keep members of the Canadian Armed Forces in touch with news and entertainment from home during the Second World War became a reality with the signing of an ...

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

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

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