Chronology of call letters WFO

• Date: February 24, 1922-November 28, 1922
• Frequency:
  • 619 khz (February 24, 1922-April 1, 1922...) [concurrently with 833, see history page]
  • 833 khz (February 24, 1922-June 30, 1922...) [concurrently with 619, see history page]
• Location:
  • Dayton, Ohio (February 24, 1922-November 28, 1922)
• Owner of license:
  • Rike-Kumler Company (February 24, 1922-November 28, 1922)