Chronology of call letters WHAT

First station

• Date: ...August 1, 1922-November, 1922
• Frequency:
  • 833 kHz (...August 1, 1922-November, 1922)
• Location:
  • Yale, Oklahoma (...August 1, 1922-November, 1922)
• Owner of license:
  • Yale Democrat-Yale Telephone Co. (...August 1, 1922-November, 1922)

Second station

• Date: June 26, 1925-February 23, 1926
• Previous call letters: KFMT
• Frequency:
  • 1300 khz (June 26, 1925-February 23, 1926) (one source shows 1140 khz on June 30, 1925)
• Location:
  • Minneapolis, Minnesota (June 26, 1925-February 23, 1926)
• Owner of license:
  • George W. Young (June 26, 1925-February 23, 1926)
• Subsequent call letters: WGWY

Third station

• Date: 1929-2010...
• Previous call letters: WNAT
• Frequency:
  • 1310 kHz (...March 29, 1941)
  • 1340 kHz (March 29, 1941-2010...)
• Location:
  • Philadelphia, Pennsylvania (1929-2010...)
• Owner of license:
  • Marconi Broadcasting Licenses, LLC (...2010...)