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    Re: Role of CN at sea, was Re: Averaging sights ...
    From: Ken Gebhart
    Date: 2004 Oct 16, 20:02 -0500

    on 10/13/04 2:16 AM, Alexandre Eremenko at eremenko@MATH.PURDUE.EDU wrote:
    
    > I agree that the "justification" of Cel Nav as
    > a "backup for GPS" cannot be defended.
    > GPS is indeed more precise, more reliable and easier
    > to use.
    >
    My only rejoinder to this is that when one goes to sea, he should have a
    manual way of doing anything that is important.  CN and a compass is the
    only manual way to navigate at sea (apart from watching the contrails).
    
    Ken Gebhart
    
    
    

       
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