shortwave radio


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shortwave radio

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. See amateur radio, AM radio and FM radio.
References in periodicals archive ?
O'Connell used the shortwave radio for many years and almost every night.
One year later came proof that loud, sporadic radio noises previously described by shortwave radio operators and by Hey were emitted over sunspots or flares, whose energies had accelerated electrons to relativistic speeds.
It's a shortwave radio, alarm clock, smartphone charger and LED flashlight, which can be charged by hand winding or via a solar panel - ideal for the total breakdown of human society.
Jim adds: "I've been here 20 years and to follow the football back home you had to have Mignolet | | a shortwave radio, trying to catch scores and commentary.
Berg, retired attorney sitting on the executive council of the North American Shortwave Association, offers this history of the early and fast adoption of shortwave radio technology from 1923-1945.
The zany cast of characters include a young Russian idealist who talks to Martians on his shortwave radio, a tall Slavic-Bombshell assassin who just killed her own grandfather, a psycho FBI agent with caffeine jitters from drinking too many Mountain Dews, and two former NASA scientists one living in seclusion in the Bahamas and the other faking insanity at Bellevue.
Most of the broadcaster's output has been taken off air since Tuesday, although shortwave radio and internet broadcasts continue.
Peter Horrocks, director of the BBC World Service, said that the changes reflected listening trends, as audiences increasingly embrace TV, mobiles and the internet over shortwave radio.
Nothing in international law could prevent Malaysia from defending its territory, he added, according to the radio report, monitored via shortwave radio in Digos City.
Karl Jansky's discovery of a shortwave radio hiss coming from the Milky Way's heart is widely publicized, marking the beginning of radio astronomy (6/3/33, p.
For example Egypt's Nasser, one of the main proponents of Bandung, took the lead away from British and American broadcasters by using shortwave radio programmes beamed to British East Africa to encourage independence movements there.