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
TV stations in the Delmarva Peninsula, including Salisbury, Maryland and Dover, Delaware