Multicasting

Technology / Television (TV) / Multicasting: The ability to send more than one program or data service within the allotted channel spectrum. Digital channels can squeeze up to four channels into their spectrum. For example, WCET will soon multicasts programming on channel 34. Viewers in that service area with digital sets simply tune to channel 34 and then choose among four different services: 34-1, 34-2, 34-3, or 34-4.

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