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    Re: DR vs EP vs MPP vs Fix vs Running fix
    From: Chuck Taylor
    Date: 2002 Feb 9, 12:45 US/PACIFIC

    Trevor Kenchington wrote:
    
    > If I was navigating my way towards Avonmouth, at the head of the Bristol
    > Channel (and so to the commercial and yacht harbour of Bristol's City
    > Docks), in order to follow a safe track, my DR plot would necessarily
    > cross a number of dangerous sand banks and would likely end up far
    > inland -- unless I constantly re-started it from frequent fixes.
    
    On a naval ship in similar circumstances (in piloting waters), the navigation
    team would indeed be plotting fixes (visual or radar) every 2 to 3 minutes.
    
    If you are running single-handed, you obviously can't manage a proper plot and
    mind your course too.  A shortcut I use is to record my log by speaking into a
    small microcassette recorder. I transcribe it later.
    
    In open waters there is usually plenty of time to manage your DR and EP
    properly.
    
    Regards,
    
    Chuck Taylor
    Everett, WA, USA
    
    
    

       
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