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AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmissions, but also on the longwave and shortwave radio bands.
Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave.In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to that of the message signal, such as an audio signal.
A few Radio-Canada stations, purchased by the CBC from private owners, retain the old -TV callsigns. Canadian digital stations all receive the -DT suffix. (this includes CBC and Radio-Canada stations) The Industry Canada database shows -PT suffixes for the channel allotments for permanent post-transition digital operation but when licences are ...
The DRM system is designed to be as compatible as possible with existing AM and FM radio transmitters, so that much of the equipment in existing radio stations can continue in use, augmented with DRM modulation equipment. [72] [60] Volkswagen's RNS-510 receiver supports Sirius Satellite Radio.
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. [1]
WHAT (1340 kHz) is a commercial AM radio station in Philadelphia, Pennsylvania, United States. The station is owned by VM Broadcasting. It airs a Spanish-language contemporary hit radio format. It was one of the first radio stations in Philadelphia, going on the air in 1922. WHAT is powered at 1,000 watts.