Next message: Rick Bradshaw: "[world-cruising] Visual medical experience"
I think that one day my eyes will fail also, when I most need them....
yet? I continue to use them well, and with imagination.
SeaWolf
~~~~~~~
--- In , Phil Sherwood <pts at c dot dot dot > wrote:
> My self-discipline isn't always too good, but I try to keep a DR
track and
> also fix my position (and correct the DR track) when I can with a
hand
> bearing compass (not helpful in open water, obviously), then use
the GPS to
> confirm. Before I start out on a long, blue-water passage I'll have
a
> sextant on board and enough skill to use it in at least a
rudimentary
> fashion. I'm trying to not become solely dependent on the GPS,
which will
> undoubtedly someday fail at the moment I need it most.
>
> Also note that however new a chart may be, the potential for error
is still
> there. Some charts still contain data collected a century ago.
Nigel
> Calder's written some good articles (maybe even a whole book?) on
that subject.
>
> Just my $.02,
>
> Phil Sherwood
> s/ve Elysium
> San Juan Island WA
>
> At 08:08 AM 11/21/03, you wrote:
>
> >[...] With the accuracy of today's charts
> >and the accuracy of today's GPS info I am wondering if it and
appropriate
> >pilot book or light list might just be adequate.
> >Phillip
>
> ----------
>
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