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A radio band is a small frequency band (a contiguous section of the range of the radio spectrum) in which channels are usually used or set aside for the same purpose. To prevent interference and allow for efficient use of the radio spectrum, similar services are allocated in bands.
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.
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.
Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in ...
FM channel numbers are most commonly used for internal regulatory purposes. The range originally adopted in 1945 began with channel 201 (88.1 MHz), or a value high enough to avoid confusion with television channel numbers, [2] which over the years have had values ranging from 1 to 83. Having a gap between the highest TV channel number and the ...
Area served City of license VC RF Callsign Network Notes Washington: Washington: 4 34 WRC-TV: NBC: Cozi TV on 4.2, LXTV on 4.3, Oxygen on 4.4 : Washington: Washington: 5 36 WTTG: Fox: Buzzr on 5.2, Start TV on 5.3
Area served City of license VC RF Callsign Network Notes Bowling Green: Glasgow: 11 11 WDNZ-LD: MyNet/Antenna TV/Biz TV : The Nest on 11.2, The Country Network on 11.3, Antenna TV on 11.4, Estrella TV on 12.1, Talk 104.1 on 9.30
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.