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Old 07-03-2007
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SailorMitch SailorMitch is offline
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Your knot meter probably registers a bit fast . You can compare to a GPS reading, but the two instruments are not measuring the same thing. Still, you can compare the two on a calm day with no current. Or look for a measured mile on the water in your area and check your knot meter against that. But conditions have to be perfect for any of these to be accurate.

And as a designer named Robert Perry told me once, the 1.34 multiplier is only a starting point.
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