Radio-TV Broadcast History
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  • Date: ...June 30, 1922-June 30, 1923...
  • Frequency:
    • 833 khz (...June 30, 1922-June 30, 1923...)
  • Location:
  • Owner of license:
    • Hi-Grade Wireless Instrument Co. (...June 30, 1922-June 30, 1923...)
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