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KDKA-TV, channel 2, is an owned-and-operated television station of the CBS Television Network, located in Pittsburgh, Pennsylvania, USA. KDKA-TV's transmitter is based in the Perry North neighborhood of Pittsburgh, and its studios are located in downtown Pittsburgh at Gateway Center. The facility also houses other CBS-owned sister stations, among them radio pioneer KDKA (1020 AM) and WPCW (channel 19, Pittsburgh's CW affiliate).

The station went on the air on January 11, 1949, as WDTV (W DuMont TeleVision) on channel 3, owned and operated by the DuMont Television Network. It was the third and last DuMont-owned station to go on the air, behind WABD (now WNYW) in New York City and WTTG in Washington, D.C.. To mark the occasion, a live television special aired that day from 8:30pm to 11pm, with live segments from DuMont, CBS, NBC, and ABC.^[1] WDTV was one of the last stations to be granted a construction permit before the Federal Communications Commission imposed what turned out to be a four-year freeze on new licenses.

When the release of the FCC's Sixth Report and Order ended the license freeze in 1952, DuMont was forced to give up its channel 3 allocation to alleviate interference with nearby stations broadcasting on the frequency. WDTV moved its facilities to channel 2 on November 23, 1952. Not long after moving, WDTV became the first station in the country to broadcast 24 hours a day, 7 days a week. ^[2] At the time Pittsburgh was the fourth-largest market in the country, behind New York City, Chicago and Los Angeles.

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