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Channels 21 to 60 used for DVB-T Digital TV broadcasting in the UK, with the exception of Channel 38, which is used for programme making and special events. Channels 61 to 69 used for 4G LTE. Channel 69 was not used for TV broadcasting in the UK, it was used by the MOD and until 2012 for programme making and special events.
The Pan-American television frequencies are different for terrestrial and cable television systems. Terrestrial television channels are divided into two bands: the VHF band which comprises channels 2 through 13 and occupies frequencies between 54 and 216 MHz, and the UHF band, which comprises channels 14 through 36 and occupies frequencies between 470 and 608 MHz.
Channel numbers in ATSC do not correspond to RF frequency ranges, as they did with analog television. Instead, virtual channels , sent as part of the metadata along with the program(s), allow channel numbers to be remapped from their physical RF channel to any other number 1 to 99, so that ATSC stations can either be associated with the related ...
Lower Adjacent Channel DTV into Analog TV −16 dB −17.43 dB −5 ~ −11 dB [C] −6 dB Upper Adjacent Channel DTV into Analog TV −12 dB −11.95 dB −1 ~ −10 [C] −5 dB Lower Adjacent Channel Analog TV into DTV −48 dB −47.33 dB −34 ~ −37 dB [C] −35 dB Upper Adjacent Channel Analog TV into DTV −49 dB −48.71 dB
An example of the ATSC major and minor numbers would be to have main programming airing on say channel 8 (the "major channel") with analog on 8.0 and digital on 8.1 (the first two "minor channels") with other entertainment channels below 8.99 on channels 8.2, 8.3, and up and informational data channels ranging from 8.100 to 8.999.
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With Digital TV was introduced, all UHF channels will allocate their frequencies and can be served for broadcast companies such as ABS-CBN, GMA Network and TV5, among others as the National Telecommunications Commission plans to migrate all VHF channels to digital UHF channels before December 31, 2015, though this was delayed several times.
Operating in a sector traditionally lacking subchannels, digital cable television provider Music Choice packages its nearly 50 music channels (including Music Choice Play) as digital subchannels of one channel. This is possible as the only information sent over each channel are audio feeds and a still slide which rotates every 20 seconds ...