Radio-TV Broadcast History
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  • Date: March 23, 1922-June 23, 1923
  • Frequency:
    • 619 khz (March 23, 1922-April 1, 1922...) [concurrently with 833, see history page]
    • 833 khz (March 23, 1922-June 30, 1922...) [concurrently with 619, see history page]
  • Location:
  • Owner of license:
    • Cosradio Company (March 23, 1922-June 23, 1923)
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