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  2. Television broadcaster - Wikipedia

    en.wikipedia.org/wiki/Television_broadcaster

    A television broadcaster or television network is a telecommunications network for the distribution of television content, where a central operation provides programming to many television stations, pay television providers or, in the United States, multichannel video programming distributors. Until the mid-1980s, broadcast programming on ...

  3. History of television - Wikipedia

    en.wikipedia.org/wiki/History_of_television

    History of television. Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a ...

  4. List of most watched television broadcasts in the United ...

    en.wikipedia.org/wiki/List_of_most_watched...

    The highest-rated broadcast of all time is the final episode of M*A*S*H in 1983, with 60.2% of all households with television sets in the United States at that time watching the episode. [97] [98] Aside from Super Bowls, the most recent broadcast to receive a rating above 40 was the Seinfeld finale in 1998, with a 41.3. [99] [100]

  5. Broadcast television systems - Wikipedia

    en.wikipedia.org/wiki/Broadcast_television_systems

    Broadcast television systems (or terrestrial television systems outside the US and Canada) are the encoding or formatting systems for the transmission and reception of terrestrial television signals. Analog television systems were standardized by the International Telecommunication Union (ITU) in 1961, [ 1] with each system designated by a ...

  6. Television in the United States - Wikipedia

    en.wikipedia.org/wiki/Television_in_the_United...

    In the United States, television is available via broadcast (also known as "over-the-air" or OTA) – the earliest method of receiving television programming, which merely requires an antenna and an equipped internal or external tuner capable of picking up channels that transmit on the two principal broadcast bands, very high frequency (VHF) and ultra high frequency (UHF), to receive the ...

  7. List of United States over-the-air television networks

    en.wikipedia.org/wiki/List_of_United_States_over...

    CBS (originally the Columbia Broadcasting System) – The nation's second-largest commercial network, it originated as the CBS Radio Network in 1927; the CBS-TV network commenced broadcasts in 1941. Owned now by Paramount Global, CBS airs original programming, sports and news seven days a week. The network has over 200 owned-and-operated and ...

  8. Broadcasting - Wikipedia

    en.wikipedia.org/wiki/Broadcasting

    Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum ( radio waves ), in a one-to-many model. [ 1] Broadcasting began with AM radio, which came into popular use around 1920 with the spread of vacuum tube radio ...

  9. Broadcasting in the United States - Wikipedia

    en.wikipedia.org/wiki/Broadcasting_in_the_United...

    Broadcasting in the United States began with experiments with wireless transmission during the 19th century, with varying degrees of success. These transmissions were initially by radio hobbyists fascinated with the technology. Once techniques were perfected, radio became a necessity for military and commercial users alike.

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