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    Re: The End of Celestial Navigation??
    From: Lu Abel
    Date: 2008 Jan 02, 11:07 -0800

    Greg R. wrote:
    > --- frankreed@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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