Chronology of call letters WAGM

First station

• Date: ...June 30, 1926-June 30, 1928...
• Frequency:
  • 1330 khz (...June 30, 1926-June 30, 1928...)
• Location:
  • Royal Oak, Michigan (...June 30, 1926-June 30, 1928...)
• Owner of license:
  • Robert L. Miller (...June 30, 1926-June 30, 1928...)

Second station

• Date: ...September 1, 1932-March 29, 1941... ( NOTE: As of Nov. 15, 1931, a construction permit had already been authorized with the WAGM call sign for Aroostook Broadcasting Corp. in Presque Isle, Maine.)
• Frequency:
  • 1420 kHz (...September 1, 1932-March 29, 1941)
  • 1450 kHz (March 29, 1941...)
• Location:
  • Presque Isle, Maine (...September 1, 1932-March 29, 1941...)
• Owner of license:
  • Aroostook Broadcasting Corp. (...September 1, 1932-March 1, 1936...)