Radio-TV Broadcast History
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  • Date: ...June 30, 1926-March 29, 1941...
  • Frequency:
  • Location:
    • Sylvan (Portland), Oregon (...June 30, 1926-March 29, 1941...) ( Note: Shown as "Portland, Oregon" in listing dated June 30, 1926 and in 1941 frequency change list, as "Sylvan, Oregon" in listing dated June 30, 1927, and as "Sylvan (Portland), Oregon" in listing dated June 30, 1928.)
  • Owner of license:
    • H. B. Read (...June 30, 1926...)
    • KOIN Inc. (...June 30, 1927-June 30, 1928...)
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