Shortwave radio is radio transmission using radio frequencies in the shortwave bands. There is no official definition of the band range, but it always includes all of the high frequency band, which ex
Grundig Satellit 400 solid-state, digital shortwave receiver, c. 1986
Radio amateurs carried out the first shortwave transmissions over a long distance before those of Guglielmo Marconi.
National Panasonic R3000 analog shortwave radio receiver, c. 1965
Portable shortwave receiver's digital display tuned to the 75–meter band
Shortwave listening, or SWLing, is the hobby of listening to shortwave radio broadcasts located on frequencies between 1700 kHz and 30 MHz. Listeners range from casual users seeking international news
Shortwave radio
…propagation) and are generally limited by the visual horizon, about 64 km (40 miles). Shortwave radio is used for broadcasting of voice and music to shortwave listeners over very large areas; sometimes entire continents or beyond. Other uses include military over-the-horizon radar, diplomatic communication, amateur…
A Sangean ATS-909 world band receiver
CBS shortwave listening post (May 1941)
WPE shortwave monitor registration certificate c. 1963