1957–1963 (NET: 1957-1970 & PBS: 1970-Present)
WHYY-TV was/is launched (debuted) on September 2, 1957 on UHF Channel 35.
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In 1963 WHYY-TV Changed Channels from UHF Ch. 35 into VHF Channel 12.
WHYY-TV PBS 12 welcomes a new partner is WDPB-TV PBS 64 Seaford-Dover, DE-Salisbury, MD-VA it debuted on December 4, 1981.
Used for productions distributed nationally on PBS
Secondary logo (1994–1997)
TV stations in the Delaware Valley, including Philadelphia, Delaware, South Jersey and the Lehigh Valley