First station[]
- Date: March 18, 1922-January 31, 1986
- Frequency:
- 833 khz (March 18, 1922-November, 1922) [concurrently with 619, see history page]
- 619 kHz (June, 1922-May 15, 1923) [concurrently with 750 and 833, see history page]
- 750 kHz (...December 1, 1922-May 15, 1923) [concurrently with 619, see history page]
- 760 khz (May 15, 1923-June 30, 1924...)
- 740 khz (...March 1925-June 30, 1927...)
- 720 kHz (...January 31, 1928...)
- 750 khz (...June 30, 1928...)
- 900 khz (...March 29, 1941)
- 930 khz (March 29, 1941-January 31, 1986)
- Location:
- Los Angeles, California (March 18, 1922-January 31, 1986)
- Owner of license:
- C. R. Kierulff & Company (March 18, 1922-June 30, 1922...)
- Times-Mirror Co. (...December 1, 1922-June 30, 1927...)
- Don Lee Inc. (...January 31, 1928-June 30, 1928...)
Second station[]
(actually same station as first, after three changes of call letters)
- Date: March 15, 2000-2010...
- Previous call letters: KKHJ
- Frequency:
- 930 khz (March 15, 2000-2010...)
- Location:
- Los Angeles, California (March 15, 2000-2010...)
- Owner of license:
- LBI Radio License LLC (...2010...)