FANDOM


  • Date: May 22, 1924-November 30, 1928
  • Frequency:
    • 670 khz (May 22, 1924-November 30, 1928)
  • Location:
  • Owner of license:
    • Calumet Baking Powder Co. (...June 30, 1924-March 1925...)
    • Calumet Rainbo Broadcasting Co. (...June 30, 1926-June 30, 1927...) ( Note: this operator was a joint venture of Calumet Baking Powder, the previous sole licensee, and Rainbo Gardens)
    • Calumet Broadcasting Co. (...June 30, 1928-November 30, 1928) ( Note that this does not actually appear to represent a change in ownership.)
  • Merged into WMAQ

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