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post #2 of Old 01-29-2014
Donna_F
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Re: Magnetic Variance

Your variation depends on which side of the country you are on. In the U.S., for me, it will be west. For the west coast (and west of the isogonic line) it will be east.

But yes, you are correct. Magnetic to true you subtract westerly variation and add easterly variation.

Donna


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