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Listening on the short waves, 1945 to today. McFarland. ISBN 978-0-7864-3996-6. Popular Communications (ceased publication 1982) was a monthly magazine published by CQ Communications. "Monitoring Times". monitoringtimes.com (website of former magazine). Brasstown, NC: Grove Enterprises.
Known as CBC International Service until 1970. Continues as a web portal in 7 languages and produces podcasts in 5 foreign languages. CBC Northern Service: 1960 2012 No Yes Relayed via CKCX to northern Quebec. Continues online and via AM and FM relays CFCX: 1920 2010 No No A relay of CINW, based in Montreal, Quebec. Both stations went off the ...
Most broadcasts are only a few minutes to a few hours at a time. One notable exception was Radio Newyork International, a short-lived attempt to establish a permanent broadcasting station operating from international waters. Some European nations have recently begun allowing privately owned shortwave stations on a far more limited scale.
Grundig Satellit 400 solid-state, digital shortwave receiver, c. 1986 [1]. Shortwave radio is radio transmission using radio frequencies in the shortwave bands (SW). There is no official definition of the band range, but it always includes all of the high frequency band (HF), which extends from 3 to 30 MHz (100 (exactly 99.930819333) to 10 (exactly 9.9930819333) meters); above the medium ...
WRNO (also known as WRNO Worldwide) is a commercial shortwave radio station which began international broadcasting on February 18, 1982 [1] and continued regular broadcasting through the early 1990s from Metairie, Louisiana, with a continuation of periodic broadcasts starting in 2009.
These days the programs are fed to the relay sites by satellite, cable/optical fiber or the Internet. Frequencies, transmitter power and antennas depend on the desired coverage. Some regional relays even operate in the medium wave or FM bands. [2] Relay stations are also important to reach listeners in countries that practice radio jamming.
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Shortwave bands are frequency allocations for use within the shortwave radio spectrum (the upper medium frequency [MF] band and all of the high frequency [HF] band). Radio waves in these frequency ranges can be used for very long distance (transcontinental) communication because they can reflect off layers of charged particles in the ionosphere and return to Earth beyond the horizon, a ...