Chronology of call letters WBAP

• Date: May 1, 1922-May 21, 2008... ( NOTE: Most sources give May 2 as start date, but United States Department of Commerce Radio Service Bulletin dated May 1 already shows station.)
• Frequency:
  • 833 kHz (May 1, 1922-August 1922)
  • 750 kHz (August 1922-May 15, 1923) [concurrently with 619, see history page]
  • 619 kHz (October 1922-May 15, 1923)[concurrently with 750, see history page]
  • 630 khz (May 15, 1923-April 15, 1927)
  • 600 khz (April 15, 1927-November 11, 1928)
  • 800 khz (November 11, 1928-March 29, 1941)
  • 820 khz (March 29, 1941-May 21, 2008...) (jointly with 570 between April 27, 1947-May 1, 1970)
  • 570 khz (jointly with 800) (April 27, 1947-May 1, 1970)
• Location:
  • Fort Worth, Texas (May 1, 1922-May 21, 2008...)
• Owner of license:
  • Wortham-Carter Publishing Co. (Star-Telegram) (May 1, 1922-June 30, 1926...)
  • Carter Publications Inc. (...June 30, 1927...) ( Note that this does not actually appear to represent a change in ownership.)