- Existence: 1954 - Present
The station first signed on the air on June 19, 1953 as WTPA (standing for Television PennsylvaniA), operating as an NBC affiliate. WTPA was founded by the Newhouse family. The following year, it switched affiliations to ABC. It originally operated on UHF channel 71, but later moved to channel 27 in 1957, after that channel's original occupant, WCMB-TV, ceased operations. Located in Harrisburg, Pennsylvania.