Chronology of call letters WSBC

• Date: ...June 30, 1925-April 5, 2008...
• Frequency:
  • 1430 khz (...June 30, 1925-June 30, 1926...)
  • 1290 khz (...June 30, 1927-June 30, 1928...)
  • 1210 kHz (...March 29, 1941)
  • 1240 kHz (March 29, 1941-April 5, 2008...)
• Location:
  • Chicago, Illinois (...June 30, 1925-April 5, 2008...)
• Owner of license:
  • World Battery Co. (...June 30, 1926-June 30, 1928...)