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Channel (broadcasting)

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Channel (broadcasting)

In broadcasting

Broadcasting

Broadcasting is distribution of Sound and/or video Signalling s which transmit programs to an audience. The audience may be the general public or a relatively large sub-audience, such as children or young adults....
, a channel is a range of frequencies

Frequency

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency.The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency....
(or, equivalently, wavelength

Wavelength

In physics, wavelength is the distance between repeating units of a propagating wave of a given frequency. It is commonly designated by the Greek language letter lambda ....
s) assigned by a government for the operation of a particular television station

Television station

A television station is a type of broadcast station that Broadcastings both sound and video to television receiver s in a particular area. Traditionally, TV stations made their broadcasts by sending specially-encoded radio signals over the air, called terrestrial television....
or radio station

Radio station

This article is about radio broadcasting, for other uses see Radio .Radio broadcasting is an audio broadcasting service, traditionally broadcast through the air as radio waves from a transmitter to an antenna and a thus to a receiving device....
. In common usage, the term also may be used to refer to the station operating on a particular frequency.

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Encyclopedia

In broadcasting

Broadcasting

Broadcasting is distribution of Sound and/or video Signalling s which transmit programs to an audience. The audience may be the general public or a relatively large sub-audience, such as children or young adults....
, a channel is a range of frequencies

Frequency

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency.The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency....
(or, equivalently, wavelength

Wavelength

In physics, wavelength is the distance between repeating units of a propagating wave of a given frequency. It is commonly designated by the Greek language letter lambda ....
s) assigned by a government for the operation of a particular television station

Television station

A television station is a type of broadcast station that Broadcastings both sound and video to television receiver s in a particular area. Traditionally, TV stations made their broadcasts by sending specially-encoded radio signals over the air, called terrestrial television....
or radio station

Radio station

This article is about radio broadcasting, for other uses see Radio .Radio broadcasting is an audio broadcasting service, traditionally broadcast through the air as radio waves from a transmitter to an antenna and a thus to a receiving device....
. In common usage, the term also may be used to refer to the station operating on a particular frequency.

See also

Frequency allocation
Frequency allocation

The radio frequency electromagnetic spectrum is an aspect of the physical world which, like land, water, and air, is subject to usage limitations. Use of radio frequency bands of the electromagnetic spectrum is regulated by governments in most countries, in a Spectrum management process known as frequency allocation or spectrum allocation...