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

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

    American Broadcasting Company (ABC) – The nation's third-largest commercial network, ABC was originally formed from the NBC Blue Network (1927–1945), a radio network which the Federal Communications Commission (FCC) forced NBC (National Broadcasting Company) to sell in 1943 for anti-monopoly reasons, the ABC-TV network began broadcasting in 1948.

  3. Television channel frequencies - Wikipedia

    en.wikipedia.org/wiki/Television_channel_frequencies

    It was moved to Channel E due to interference from distant transmitters on channel 3 and channel A via certain atmospheric conditions and other reasons. Channel C was used by a relay transmitter in Glanmire, Co. Cork. Channel B video is the same as Italian Channel A video and Channel C audio is the same as Channel 4 audio.

  4. Digital television in the United States - Wikipedia

    en.wikipedia.org/wiki/Digital_television_in_the...

    The five main ATSC formats of DTV currently [when?] broadcast in the U.S. are: . Standard definition—480i, to maintain compatibility with existing NTSC sets when a digital television broadcast is converted back to an analog one [citation needed] —either by a converter box or a cable/satellite operator's proprietary equipment

  5. List of United States pay television channels - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States_pay...

    The date the channel first started broadcasting, not necessarily the date its founding company was created. OTA: If Yes, this channel has affiliations with free-to-air terrestrial networks. See also; List of United States over-the-air television networks. East/West [2] [3] [4] If Yes, this channel offers time-shifted feeds of its network. HD [2 ...

  6. Digital terrestrial television - Wikipedia

    en.wikipedia.org/wiki/Digital_terrestrial_television

    Free-to-view satellite services offering the same DTT offer were made available in June 2007. Since 12 December 2012, TNT has delivered ten free HD channels (TF1 HD, France2 HD, M6 HD, Arte HD, HD1, L'Équipe 21, 6ter, Numéro 23, RMC Découverte HD, Chérie 25) and one pay TNT HD channel (Canal+ HD) using the MPEG4 AVC/H.264 compression format.

  7. List of BBC television channels and radio stations - Wikipedia

    en.wikipedia.org/wiki/List_of_BBC_television...

    In the UK, as well as on Freeview, satellite and cable services, the BBC's licence-funded television channels and their programmes can be watched live and on demand via BBC iPlayer. They can also be seen in Ireland and some parts of mainland Europe.

  8. Freeview (UK) - Wikipedia

    en.wikipedia.org/wiki/Freeview_(UK)

    The Freeview service underwent a major upgrade on 30 September 2009, which required 18 million households to retune their Freeview receiving equipment. [9] The changes, meant to ensure proper reception of Channel 5, led to several thousand complaints from people who lost channels (notably ITV3 and ITV4) as a result of retuning their equipment.

  9. DirecTV - Wikipedia

    en.wikipedia.org/wiki/DirecTV

    DirecTV, LLC is an American multichannel video programming distributor based in El Segundo, California.Originally launched on June 17, 1994, its primary service is a digital satellite service serving the United States.