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First shortwave broadcast Last shortwave broadcast Currently broadcasting on SW Currently broadcasting online Notes Afghanistan Radio Kabul: 2011 2020 No No Albania Radio Tirana: 1937 2022 No Yes Relayed by Radio Miami International (WRMI) from 2017-2022. Online as Radio Tirana International. Algeria Radio Algérienne: 1962 Yes Yes Angola
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 ...
This sort of map is used by radio engineers to determine the best frequencies to reach international audiences on shortwave bands. In this case, a transmitter is sited in the Southern Vancouver Island, using a frequency of 12095 kHz and transmitting at the 500 kW power level. The picture shows a good signal over the Southern Pacific.
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 (approximately 100 to 10 metres in wavelength).
The program was broadcast over shortwave to the Far North during the winter months, when mail service was impossible, and consisted of personal messages to RCMP officers, missionaries, trappers, and others from family and friends, music, and news. [11] RCA was also a pioneer in shortwave broadcasting in the US.
The following is a list of FCC-licensed radio stations in the U.S. state of Ohio, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations
An example of notable shortwave programming was the Happy Station Show, popularly called the “world's longest-running shortwave radio program”. The show originated on Philips Radio's PCJJ shortwave station in 1928, continuing until 1940. After World War II Radio Netherlands broadcast the show from 1946 until it terminated in 1995. Producer ...
Cuban numbers station HM01 A recording of The Gong numbers station, run by the National People's Army of the German Democratic Republic, from 1988.. A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. [1]