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 ...
Browse 240+ shortwave radio stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Music audio audio frequency ...
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.
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 ...
Short Wave New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join ...
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 ...
In the last few years, the interest in listening to Deutsche Welle radio broadcasts via shortwave has decreased rapidly in North America. As a result Deutsche Welle decided to cease shortwave ...
Shortwave radiation (SW) is thermal radiation in the optical spectrum, including visible (VIS), near-ultraviolet (UV), and near-infrared (NIR) spectra. Spectral intensity of sunlight (average at top ...
Department of Physiotherapy, Queen's College, Glasgow, UK. Continuous shortwave diathermy is the technique of choice when uniform marked elevation of temperature is required in the deep tissues. This ...
"It was the last of the shortwave sites to be built in the UK," transmitter engineer Matt Porter told BBC Radio Shropshire. "It was excellent at getting into Europe and further afield. With the ...