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    Re: The End of Celestial Navigation??
    From: Greg R_
    Date: 2008 Jan 4, 00:56 -0800

    > Would that include my quartz crystal controlled watch?
    
    I would have to say "yes".
    
    > I truly believe in the adage that a good navigator has two or more
    > sources of positional information available.   And only a fool would
    > go offshore with a single GPS set, even if it were integrated into
    > the fanciest electronic charting system.
    
    My own "personal minimums" for offshore navigation would probably
    include at least 3 of everything critical for navigation that might be
    subject to failure (i.e. 2 backups) - though I think 2 radios capable
    of receiving time signals would be enough, probably an HF rig and
    something like a Radio Shack TimeKube (if in range of WWV/WWVH) would
    be adequate.
    
    And quartz watches are cheap enough these days that I think I'd be OK
    with 3 of those (vs. a full-fledged chronometer), though if they didn't
    automatically synchronize with a time signal I'd obviously want to know
    how much time they gain/lose in a 24-hour period.
    
    --
    GregR
    
    
    --- Lu Abel  wrote:
    
    >
    >
    >
    > Greg R. wrote:
    > > --- frankreed{at}HistoricalAtlas.net wrote:
    > >
    > >
    > >> What do you think he's talking about?
    > >>
    > >
    > > Obviously someone who hasn't had a major electrical/electronics
    > failure
    > > while out on the open ocean...  ;-)
    > >
    > Would that include my quartz crystal controlled watch?
    >
    > I truly believe in the adage that a good navigator has two or more
    > sources of positional information available.   And only a fool would
    > go
    > offshore with a single GPS set, even if it were integrated into the
    > fanciest electronic charting system.
    >
    > But I can't figure out why the "can't trust electronics, gotta use
    > celestial" crowd seems perfectly happy with electronic chronometers
    > (synchronized, of course, by listening to WWV or BBC), and perhaps
    > even
    > reducing their sights using a calculator.   Those electronics are
    > subject to exactly the same failure modes as GPS sets.
    >
    >
    >
    > >
    >
    
    
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