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- Television_channel abstract "A television channel is a physical or virtual channel over which a television station or television network is distributed. For example, in North America, "channel 2" refers to the broadcast or cable band of 54 to 60 MHz, with carrier frequencies of 55.25 MHz for NTSC analog video (VSB) and 59.75 MHz for analog audio (FM), or 55.31 MHz for digital ATSC (8VSB). Channels may be shared by many different television stations or cable-distributed channels depending on the location and service provider.Depending on the multinational bandplan for a given region, analog television channels are typically 6, 7, or 8 MHz in bandwidth, and therefore television channel frequencies vary as well. Channel numbering is also different. Digital television channels are the same for legacy reasons, however through multiplexing, each physical radio frequency (RF) channel can carry several digital subchannels. On satellites, each transponder normally carries one channel, however small, independent channels can be used on each transponder, with some loss of bandwidth due to the need for guard bands between unrelated transmissions. ISDB, used in Japan and Brazil, has a similar segmented mode.Channel separation on over-the-air channels is accomplished by skipping at least one channel between two analog stations' frequency allocations. (There can be gaps between channels, where numbers are sequential, but frequencies are not contiguous, such as the skip from VHF low to high, and the jump to UHF.) On cable TV, it is possible to use adjacent channels only because they are all at the same power, something which could only be done over the air if the two stations were transmitted at the same power and height from the same location. For digital TV, selectivity is inherently better, therefore channels adjacent (either to analog or digital stations) can be used even in the same area.".
- Television_channel wikiPageID "29840".
- Television_channel wikiPageRevisionID "604473355".
- Television_channel essayLike "November 2010".
- Television_channel hasPhotoCollection Television_channel.
- Television_channel unreferenced "May 2009".
- Television_channel subject Category:Broadcast_engineering.
- Television_channel subject Category:Telecommunication_theory.
- Television_channel subject Category:Television_terminology.
- Television_channel comment "A television channel is a physical or virtual channel over which a television station or television network is distributed. For example, in North America, "channel 2" refers to the broadcast or cable band of 54 to 60 MHz, with carrier frequencies of 55.25 MHz for NTSC analog video (VSB) and 59.75 MHz for analog audio (FM), or 55.31 MHz for digital ATSC (8VSB).".
- Television_channel label "Canal de televisión".
- Television_channel label "Canal de televisão".
- Television_channel label "Chaîne de télévision".
- Television_channel label "Television channel".
- Television_channel label "Телевизионный канал (полоса радиочастот)".
- Television_channel label "قناة تلفزيونية".
- Television_channel label "チャンネル (テレビ放送)".
- Television_channel sameAs Kanál_(radiotechnika).
- Television_channel sameAs Canal_de_televisión.
- Television_channel sameAs Chaîne_de_télévision.
- Television_channel sameAs Saluran_televisi.
- Television_channel sameAs チャンネル_(テレビ放送).
- Television_channel sameAs 텔레비전_채널.
- Television_channel sameAs Canal_de_televisão.
- Television_channel sameAs m.07c82.
- Television_channel sameAs Q2001305.
- Television_channel sameAs Q2001305.
- Television_channel wasDerivedFrom Television_channel?oldid=604473355.
- Television_channel isPrimaryTopicOf Television_channel.