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Old 02-28-2013
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Re: Information while racing around the buoys

I race on the lower Hudson River where there is tidal current that can reach up to 2 knots. The VMG that shows on our GPS can be very helpful to figure out if you are losing or winning against the current.
That said, you don't have current that strong on the Chessy usually but the vector made good (VMG) can help you decide what to do.
Your speed over ground (SOG) shown by a GPS can give you an idea of how well your sails are trimmed. Good speed in the wrong direction is not really that helpful though.
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