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1961–1969
1969–1971
1971–1973
1973–1978
1978–1986
On July 3, 1978 WPTA-TV 21 ABC became WPTA-TV 21 ALIVE and it's long-lasting moniker reign for 49 Yearly Seasons than any to all "Channel's Alive" Station in the past and present since 1974 and finally ended in 2016.
