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    Re: Back In Hobby: Some Questions, Please
    From: Alexandre Eremenko
    Date: 2007 Apr 27, 22:25 -0400

    People on this list mentioned
    that they found no understanding from
    bystanders/neighbors when they make CelNav
    observations from their lawns/streets/beaches.
    I found very little understanding when I took
    sextant shots from a small boat:-)
    To be sure, my skipper (who had the highest German yacht
    skipper license) had to pass a Cel Nav exam at some point.
    They were shown some plastic sextants and then had
    a written test in a classroom.
    This is required for the license in Gemrany.
    Together with computation of tides "with Admiralty tables"
    computation of compass deviation etc. He could not
    understand how
    a normal person can do this tedious exercises
    for pleasure:-)
    On Fri, 27 Apr 2007, Alexandre E Eremenko wrote:
    > Dear PF,
    > > Perhaps the moral of this story
    > > is that successful practical navigation does
    > > not depend on great accuracy ...
    > I agree. Columbus was a genius of practical navigation
    > but a very mediocre CelNavigator
    > (at least by later standards).
    > Pacific islanders were able to find tiny islands
    > thousands miles away with very rudimentary CelNav
    > no instruments and no "scientific knowledge" in
    > our sense.
    > In fact I think that all these fine points of CelNav
    > have little bearing on practical navigation.
    > And I also think that since approx 1980 Cel Nav has
    > no practical value at all.
    > Still some people, including myself,
    > find some "intellectual fun" in analysing "performance"
    > of Cook's expedition sextants and clocks and observers.
    > The things which were perhaps of SOME (dubious) practical
    > value 200 years ago.
    > Alex.
    > >
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