Chronology of call letters 6XC

From Radio-TV Broadcast History

• Date: October 1, 1920-December 9, 1921
• Location:
  • San Francisco, California (October 1, 1920-December 9, 1921)
• Owner of license:
  • Lee De Forest (Inc) [California Theater] (October 1, 1920-December 9, 1921)
• Subsequent call letters: KZY