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    Re: U-boat Celestial Navigation WWII
    From: Robert H. van Gent
    Date: 2016 Jan 9, 12:13 +0000

    You are correct, see
    
      http://www.uboataces.com/radar-warning.shtml
    
    for devices signalling the approach of Allied submarine hunters.
    
    The common name of these devices was FuMB, an abbreviation of "Funkmessbeobachtungsgeräte".
    
    Rob van Gent
    
    
    
    From: NavList@fer3.com [mailto:NavList@fer3.com] On Behalf Of Bob Goethe
    Sent: zaterdag 9 januari 2016 5:10
    To: Gent, R.H. van (Rob)
    Subject: [NavList] Re: U-boat Celestial Navigation WWII
    
    In the fascinating U-boat logbook, I see several references to "Borkum" - as in:
    Fu.M.O. continuously manned with Borkum all around sweep every 5 minutes.
    In addition to "Borkum", I find "Fu.M.O." cryptic, though from context it may be 
    a reference to a radar set.  Have I guessed right?
    Bob
    
    
    

       
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