Chronology of call letters WJZ

First station

• Date: October 1, 1921-March 1, 1953 ( NOTE: One source gives May, 1921 as start date)
• Frequency:
  • 833 kHz (October 1, 1921-May 15, 1923) [concurrently with 619, see history page]
  • 619 kHz (...October 2, 1922-October, 1922) [concurrently with 833, see history page]
  • 660 khz (May 15, 1923-June 30, 1928...)
  • 760 kHz (1928-March 29, 1941)
  • 770 kHz (March 29, 1941-March 1, 1953)
• Location:
  • Newark, New Jersey (October 1, 1921-1923)
  • New York, New York (...June 30, 1923-June 30, 1924...)
  • Bound Brook, New Jersey (...June 30, 1926-June 30, 1928...) ( NOTE: Shown as "Bound Brook (New York), New Jersey" in a database dated June 30, 1928.)
  • New York, New York (...March 29, 1941...)
• Owner of license:
  • Westinghouse Electric & Manufacturing Co. (October 1, 1921-1923)
  • Radio Corporation of America (...June 30, 1923-1943)
  • Edward J. Noble and Associates (1943...) (See also WMCA.)
• Subsequent call letters: WABC

Second station

• Date: November 3, 2008-2016...
• Previous call letters: WJFK
• Frequency:
  • 1300 khz (November 3, 2008-2016...)
• Location:
  • Baltimore, Maryland (November 3, 2008-2016...)
• Owner of license:
  • CBS Radio WLIF-AM (November 3, 2008-2016) ( NOTE: See also WLIF-FM.)