Chronology of call letters KFEZ

• Date: ...April 2, 1923-June 30, 1924...
• Frequency:
  • 833 khz (...April 2, 1923-June 30, 1923...)
  • 1210 khz (...June 30, 1924...)
• Location:
  • St. Louis, Missouri (...April 2, 1923-June 30, 1924...)
• Owner of license:
  • American Society of Mechanical Engineers (...April 2, 1923...)
  • Associated Engineering Societies of St. Louis (...June 30, 1923-June 30, 1924...)