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Old 03-03-2013
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Re: Information while racing around the buoys

Because I have an autopilot with a heading compass, I get a lot of good info regarding current and drift...which is factored into my COG (course over ground) readout. By calculating the difference between Magnetic compass heading and the COG, I can usually figure out if we're getting into the gulfstream or fighting eddys.

Its always good to know your tack angles factoring in COG
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