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Great Sailing!!!
http://www.trinityhouse.co.uk/html/tlh1.htm
"Wally" wrote in message
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"Donal" wrote in message news:bgf225$99r$1
A 9 knot current/tide? Is that a genuine figure?
Yes.
What causes it? Does it pass through narrows?
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Wally
I demand rigidly-defined areas of uncertainty!
www.art-gallery.myby.co.uk
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