WPTZ (WPTZ Red 1: 1941-1946, Red 3: 1946-1948 & NBC 3: 1948-1956)
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WRCV-TV (NBC O&O 3: 1956-1965)
KYW-TV (NBC 3: 1965-1995 & CBS O&O 3: 1995-Present)
Westinghouse Broadcasting & Cable and Group W Productions used a proprietary typeface, now called "Anklepants," for the station logo throughout their entire ownership of the station, as shown here. This had come after Westinghouse and NBC had switched stations (with the KYW calls and license transferring to what is now WKYC Cleveland; and the WRCV calls moving to KYW) only for the Federal Communications Commission to cancel the trade due to allegations of coercion on the part of NBC; allowing the KYW calls to return to Philadelphia in 1965.
In 1995, KYW-TV switched its network affiliation from NBC to CBS, as a result of a deal by Westinghouse when WJZ-TV lost it's ABC affiliation to WMAR-TV. Westinghouse later acquired CBS altogether, making KYW-TV an O&O.
Mike Douglas with a KYW camera
KYW cameras behind the scenes of The Mike Douglas Show
KYW-TV's Channel 3 Eyewitness News Video Open From The Late 1970's