On Tue, 18 Jan 2005 17:59:40 GMT, otnmbrd
wrote:
I've noted errors of from @10' - 100' of a
variable nature (sometimes between trips, sometimes between vessels).
in this particular port. The most obvious being when alongside the dock.

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There are fixed errors also. I live on the south side of a 120 foot
canal. Four different WAAS GPS units consistently show the boat
docked on the north side. Most likely chart error but who knows?