Chronology of call letters WSAU

First station

• Date: ...June 30, 1924-June 30, 1926...
• Frequency:
  • 1310 khz (...June 30, 1924-June 30, 1926...)
• Location:
  • Chesham, New Hampshire (...June 30, 1924-June 30, 1926...)
• Owner of license:
  • Camp Marienfeld (...June 30, 1924-June 30, 1926...)

Second station

• Date: ...March 29, 1941...
• Frequency:
  • 1370 kHz (...March 29, 1941)
  • 1400 kHz (March 29, 1941...)
• Location:
  • Wausau, Wisconsin (...March 29, 1941...)