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Sign-on and sign-off. The closing announcement of ARD as heard in 1993 (in German). A sign-on (or start-up in Commonwealth countries except Canada) is the beginning of operations for a radio or television station, generally at the start of each day. It is the opposite of a sign-off (or closedown in Commonwealth countries except Canada), which ...
Call signs in the United States. Call signs in the United States are identifiers assigned to radio and television stations, which are issued by the Federal Communications Commission (FCC) and, in the case of most government stations, the National Telecommunications and Information Administration (NTIA). They consist of from 3 to 9 letters and ...
The last new three-letter call was assigned to station WIS (now WVOC) in Columbia, South Carolina on January 23, 1930. Since then, three-letter calls have only been assigned to stations, including FM (beginning in 1943) [1] and TV (beginning in 1946), [2] which are historically related to an AM station that was originally issued that call sign.
Station identification. Station identification (ident, network ID, channel ID or bumper) is the practice of radio and television stations and networks identifying themselves on-air, typically by means of a call sign or brand name (sometimes known, particularly in the United States, as a "sounder" or "stinger", more generally as a station or ...
The pages below contain lists of television stations in the U.S. by call sign. Historically, stations to the east of the Mississippi River were given call signs beginning with the letter W, stations to the west K. However, there are exceptions. See the article on North American call signs for more information.
Television is one of the major mass media outlets in the United States. In 2011, 96.7% of households owned television sets; [1] about 114,200,000 American households owned at least one television set each in August 2013. [2] Most households have more than one set. The percentage of households owning at least one television set peaked at 98.4% ...
A hundred-kW analog station on TV channels 2 to 6 would therefore be faced with the choice of either lowering its power by 80% (to the twenty kilowatt limit of low-VHF DTV) or abandoning a frequency which it occupied since the 1950s in order to transmit more power (up to 1000 kW) on the less-crowded UHF TV band. Such stations can keep the same ...
1. The American Broadcasting Company, a major television network in the United States. Also operates radio networks ABC News Radio and ABC Audio. 2. The ABC Radio Network, a former radio network in the United States. Renamed Citadel Media in 2009, Cumulus Media Networks in 2011 and merged into Westwood One. 3.