Chronology of call letters WDZ

First station

• Date: January 26, 1922-March 20, 1922
• Frequency:
  • 833 khz (January 26, 1922-March 20, 1922)
• Location:
  • Toledo, Ohio (January 26, 1922-March 20, 1922)
• Owner of license:
  • Marshall-Gerken Company (January 26, 1922-March 20, 1922)
• Subsequent call letters: WBAJ ( NOTE: There was a time lapse between deletion of WDZ on March 20, 1922 and relicensing as WBAJ on April 22, 1922.)

Second station

• Date: April 5, 1922-2011...
• Frequency:
  • 833 khz (April 5, 1922-June 30, 1922...)
  • 1080 khz (...June 30, 1923-June 30, 1928...)
  • 1020 kHz (...March 29, 1941)
  • 1050 kHz (March 29, 1941-2011...)
• Location:
  • Tuscola, Illinois (April 5, 1922-arch 29, 1941...)
  • Decatur, Illinois (...2011...)
• Owner of license:
  • James L. Bush (April 5, 1922-June 30, 1928...)