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American TV  
INFORMATIVE 

Tags: Television, Top Information of American TV, History of American TV

Television is one of the major major mass media of the United States. In an expansive country of more than 300 million people, television programs are some of the few things that nearly all Americans can share. Ninety-nine percent of American households have at least one television and the majority of households have more than one.

1.	Television channels and networks: There are three basic types of television in the United States: broadcast, or "over-the-air" television, which is freely available to anyone with a TV in the broadcast area, cable television, and satellite television, both of which require a subscription to receive.
2.	Broadcast television: The United States has a decentralized, market-oriented television system. Unlike many other countries, the United States has no national broadcast programming services. Instead, local media markets have their own television stations, which may be affiliated or owned and operated by a TV network. Stations may sign affiliation agreements with one of the national networks. Except in very small markets with few stations, affiliation agreements are usually exclusive: If a station is an NBC affiliate, the station would not air programs from ABC, CBS or other networks. However, to ensure local presences in television broadcasting, federal law restricts the amount of network programming local stations can run. Until the 1970s and '80s, local stations supplemented network programming with a good deal of their own produced shows. Today, however, many stations produce only local news shows. They fill the rest of their schedule with syndicated shows, or material produced inde
3.	The three major networks: The three major commercial television networks in the U.S. are NBC and CBS, which date to the early days of television (in fact, they both began in the 1920s as radio networks), and ABC, which began its life as a radio network spun off from NBC in 1943. In big cities, affiliates of these networks almost always broadcast in the VHF band, which, in the days before cable became widespread, was premium real estate. Major-network affiliates run very similar schedules. Typically, they begin weekdays with an early-morning locally produced news show, followed by a network morning show, such as NBC's Today, which mixes news, weather, interviews and music. Syndicated programming, especially talk shows, fill the late morning, followed often by local news at noon (Eastern Time). Soap operas dominate the early afternoon, while syndicated talk shows such as The Oprah Winfrey Show appear in the late afternoon. Local news comes on again in the early evening, followed by the
4.	Other over-the-air commercial television: Until 1987, all English-language stations not affiliated with the big three networks were independent, airing only locally produced and syndicated programming. Many independent stations still exist in the U.S., usually broadcasting on the UHF band. Syndicated shows, often reruns of old TV series and old movies, take up much of their schedule. In 1986, however, the Fox Broadcasting Company launched a challenge to the big three networks. Thanks largely to the success of shows like The Simpsons, as well as the network's acquisition of rights to show National Football League games, Fox has established itself as a major player in broadcast television. However, Fox differs from the three older networks in that it does not air a nightly news program, its prime-time schedule is only two hours long, and some of its big-city affiliates still broadcast on UHF. Its only scheduled news program is FOX News Sunday, on Sunday mornings; FOX prefers to use the c
5.	The business of television: Over-the-air commercial stations and networks generate the vast majority of their revenue from advertisements. According to a 2001 survey, broadcast stations allocated 16 to 21 minutes per hour to commercials. Most cable networks also generate income from advertisements, although most basic cable networks also receive subscription fees. However, premium cable networks, such as the movie network HBO, do not air commercials. Instead, cable-TV subscribers must pay extra to receive the premium networks. Cable-TV system operators get revenue from subscription fees and by selling local advertisements.
6.	The life cycle of U.S. television shows: Television production companies either commission teleplays for TV pilots or buy spec scripts. Some of these scripts are turned into pilots. Those which the production company thinks might be commercially viable are then marketed to television networks—or television distributors for first-run syndication. (KingWorld distributes Oprah in first-run syndication, for example, because that show is syndicated—is not affiliated with a particular network.) Networks sometimes preemptively purchase pilots to prevent other nets from controlling them, and the purchase of a pilot is no guarantee that a show will get an order for more episodes. Those that do get "picked up" get either a full or partial-season order, and the show goes into production, usually establishing itself with permanent sets, a full crew and production offices. Writers are hired, directors are selected and work begins, usually during the late spring and summer before the fall season-se
7.	History of American television: Television first became commercialized in the U.S. in the early 1940s, initially by RCA (through NBC, which it owned) and CBS. A number of different broadcast systems had been developed through the end of the 1930s. The National Television System Committee (NTSC) standardized on a 525-line broadcast in 1941 that would provide the basis for TV across the country through the end of the century. Television development halted with the onset of World War II, but pioneers returned to the airwaves when that conflict ended. There were only a few dozen stations operating at the end of the decade, concentrated on the East and West coasts. The FCC began handing out broadcasting licenses to communities of all sizes in the early 1950s, spurring an explosion of growth in the medium. A brief debacle over the system to use for color broadcasts occurred at this time, but was soon settled. Half of all U.S. households had TV sets by 1955, though color was a premium featur

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