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    Re: Allowing for current. was: Re: Noon sun fix example
    From: Peter Fogg
    Date: 2009 Oct 1, 10:25 +1000
    Hear hear DD.  Apart from anything else, with a sailing boat it is often not possible to lay off a desired course and keep to it, since the wind may not oblige.

    On Thu, Oct 1, 2009 at 9:54 AM, <douglas.denny@btopenworld.com> wrote:

    Another fine theory in principle, that does not work out practically.

    Even when allowing for tidal streams every half hour with the DR plot as I used to do,  there can still be differences appearing which make the passage lop-sided as you cross, but one thing is certain - this gives a much better end result than a 'straight ahead' strategy over the tidal cycle.  There are too many  variables for such a simplistic approach.

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