WHYY-TV, virtual channel 12 (VHF digital channel 13), is a Public Broadcasting Service (PBS) member television station serving Philadelphia, Pennsylvania, United States that is licensed to Wilmington, Delaware. Owned by WHYY, Inc., it is sister to National Public Radio (NPR) member station WHYY-FM (90.9). The two stations share studios on Independence Mall in Center City, Philadelphia; WHYY-TV maintains a secondary studio in Wilmington and transmitter facilities in Philadelphia's Roxborough section. It is one of four PBS member stations serving the Philadelphia market, alongside Philadelphia-licensed WPPT (channel 35), Allentown-based WLVT-TV (channel 39), and NJ PBS (channels 23 and 52).
WDPB (virtual channel 64, UHF digital channel 24) in Seaford, Delaware, operates as a full-time satellite of WHYY-TV, serving the Delmarva Peninsula region; this station's transmitter is located on Virginia Avenue in Seaford. It is one of two PBS member stations serving the Salisbury, Maryland market, alongside Maryland Public Television transmitter WCPB (channel 28). WDPB is a straight simulcast of WHYY-TV; on-air references to WDPB are limited to Federal Communications Commission (FCC)-mandated hourly station identifications during programming. Aside from the transmitter, WDPB does not maintain any physical presence locally in Seaford.
2000[]
- April 3 – June 4, 2000
- June 5 – September 3, 2000
- September 4 – September 30, 2000
- October 1 – November 5, 2000
- November 6, 2000 – April 1, 2001
2001[]
- April 2 – June 10, 2001
- June 11 – September 2, 2001
- September 3 – October 28, 2001
- October 29, 2001 – January 20, 2002
2002[]
- January 21 – March 31, 2002
- April 1 – May 4, 2002
- May 5 – June 2, 2002
- June 3 – September 1, 2002
- September 2, 2002 – January 5, 2003
2003[]
- January 6 – August 31, 2003
- September 1 – September 14, 2003
- September 15 – October 25, 2003
- October 26, 2003 – January 18, 2004
2004[]
2005[]
2006[]
2007[]
- January 1 – March 2, 2007
- March 3 – June 16, 2007
- June 17 – August 5, 2007
- August 6 – September 2, 2007
- September 3 – December 31, 2007