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Radio broadcastinghas been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent of U.S. households owned at least one radio receiver, while a majority did by 1931 and 75 percent did by 1937. [1][2]It was the first electronic "mass medium" technology, and its introduction ...
HD Radio. HD Radio logo. HD Radio ( HDR) [ 1] is a trademark for an in-band on-channel (IBOC) digital radio broadcast technology. HD radio generally simulcasts an existing analog radio station in digital format with less noise and with additional text information.
The following is a list of radio stations owned by Audacy, Inc. As of June 2023, Audacy (then known as Entercom) operates 227 radio stationsin 45 media marketsacross the United States. On February 2, 2017, Entercom announced that it had agreed to acquire CBS Radio. The purchase gave Entercom operations in 23 of the top 25 markets, making it the ...
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Digital radio. Digital radio is the use of digital technology to transmit or receive across the radio spectrum. Digital transmission by radio waves includes digital broadcasting, and especially digital audio radio services . Example of a digital radio.
List of AM radio stations in the United States by call sign (initial letters KG–KM) List of AM radio stations in the United States by call sign (initial letters KN–KS) List of AM radio stations in the United States by call sign (initial letters KT–KZ) List of AM radio stations in the United States by call sign (initial letters WA–WF)
The UK currently has one of the world's biggest digital radio networks, with about 500 transmitters, three national DAB ensembles, one regional DAB ensemble, 48 local DAB ensembles and an increasing number of small-scale DAB ensembles broadcasting over 250 commercial and 34 BBC radio stations across the UK.
History of radio. The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of ...