History
Construction on WHIZ-TV began in 1952 at the Downard Road site for Zanesville's first television station. On May 23, 1953, WHIZ-TV began broadcasting on channel 50, with just enough power to reach the 500 or so television sets in the Zanesville area. A year and a half later, WHIZ-TV moved to channel 18, and increased its power output to 186 kW in addition to operating broadcast translators on channel 71 (W71AB) in Coshocton and channel 80 (W80AA) in Cambridge. In 1986, channel 18 increased power output to 589 kW with a new antenna, and introduced stereo sound.
WHIZ-TV has been a primary NBC affiliate since the station began, but until 1966 cherry-picked programming from CBS and ABC as well. It also aired some DuMont programming in the 1950s. As WHIZ is the only commercial station in the area, Time Warner Cable's area system supplements the area with the Columbus stations.
In 2003, WHIZ-TV began broadcasting in digital on channel 40.
On July 25, 2008, WHIZ was knocked off the air when its power combiner failed. While the station was able to restore its digital signal, it was determined that there was no way to restore the analog signal until early 2009. Since this meant the analog signal would have only been back online for two months before shutdown of analog signals for all full-service stations, WHIZ decided to permanently cease analog broadcasting.
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