Contents. 1 Broadcast television. 1.1 History. 1.2 700 MHz band. 1.3 600 MHz band. 1.4 Channel frequencies. 1.4.1 VHF band. 1.4.2 UHF band. 1.4.3 Notes. 2 Cable television. 2.1 Harmonically-related carriers HRC 2.2 Incrementally-related carriers IRC 2.3 Channel frequencies. 2.4 Channel usage. 5 External links..Becauseog VHF transmission used a bandwidth of 7 MHz, but digital transmissions need 8 MHz, the frequencies are shifted accordingly, with one channel being unavailable for digital transmission..
North American television frequencies are different for over-the-air also called terrestrial and cable television systems. Over-the-air television channels are .305.75. 311.75. 317.75. 323.75. Channel. Video. Color. Audio. Number Bandwidth Carrier Carrier Carrier. Cable Television Channels vs Frequency in MHz. EE.. Cable TV Channel Frequencies. The visual carrier frequency is shown in this chart. For the aural carrier frequency, add 4.5 MHz to the visual .Cable TV/Broadcast TV Frequency Allocations. CHAN -----------BROADCAST------ ----- --------------CABLE------------ Lower Video Audio Upper Video Audio HRC .
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