Chronology of call letters KNX

• Date: May 4, 1922-March 29, 1941...
• Previous call letters: KGC (apparently with some overlap, as same source gives KGC deleted June 20 and KNX starting May 4)
• Frequency:
  • 833 khz (May 4, 1922-June 30, 1924...)
  • 890 khz (...March 1925-June 30, 1928...)
  • 1050 kHz (...March 29, 1941)
  • 1070 kHz (March 29, 1941...)
• Location:
  • Los Angeles, California (...May 15, 1922-March 29, 1941...) ( Note: Shown as Hollywood, California in a list dated March 1925.)
• Owner of license:
  • Electric Lighting Supply Co. (May 4, 1922-June 30, 1924...)
  • Los Angeles Evening Express (...March 1925-June 30, 1927...)
  • Western Broadcast Co. (...January 31, 1928-June 30, 1928...)