Prince Rupert, BC


Prince Rupert, BC
Filter Unit #: #4
Type: Filter Unit
Callsign: Bosco, Cosine
Construction Dates: Start -
End -
Operational Date: 1 April 1944
Location: Map #1
Radar Equipment:
Closure Date: 15 December 1944



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  1. Organization Order #232: Disbandment of No 4 Filter Center - 13 January 1945.
    Courtesy National Archives of Canada.

  2. Letter Re: Daily Diary - 18 November 1944.
    Courtesy National Archives of Canada.

  3. Weekly Intelligence Report - 11 November 1944.
    Courtesy National Archives of Canada.

  4. Organization Order #180: Formation of No 4 Filter Unit - 10 March 1944.
    Courtesy National Archives of Canada.

  5. Daily Diary - 1944.
    Courtesy National Archives of Canada.


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Updated: August 14, 2004