Chronology of call letters WIBM

First station

• Date: ...June 30, 1925-June 30, 1928...
• Frequency:
  • 1390 khz (...June 30, 1925-June 30, 1926...)
  • 1490 khz (...June 30, 1927-June 30, 1928...)
• Location:
  • Chicago, Illinois (portable) (...June 30, 1925-June 30, 1928...)
• Owner of license:
  • Billy Maine (...June 30, 1926...)
  • C. L. Carrell (...June 30, 1927-June 30, 1928...) (see also WBBZ, WHBL, WHBM, WIBJ, WIBW, WKBG.)

Second station

• Date: ...March 29, 1941...
• Frequency:
  • 1370 kHz (...March 29, 1941)
  • 1450 kHz (March 29, 1941...)
• Location:
  • Jackson, Michigan (...March 29, 1941...)

Third station

(actually same as second, after some call sign changes)

• Date: April 8, 1987-March 29, 1994
• Previous call letters: WXCM
• Frequency:
  • 1450 kHz (April 8, 1987-March 29, 1994)
• Location:
  • Jackson, Michigan (April 8, 1987-March 29, 1994)
• Subsequent call letters: WCXI

Fourth station

(actually same as third, after two call sign changes)

• Date: December 8, 1995-2016...
• Previous call letters: WCXI
• Frequency:
  • 1450 kHz (December 8, 1995-2016...)
• Location:
  • Jackson, Michigan (December 8, 1995-2016...)
• Owner of license:
  • Jackson Radio Works, Inc. (...2016...)