Use the "Rule of 36" to Keep Magnetic Compasses Error Free

Use the "Rule of 36" to Keep Magnetic Compasses Error Free

No sailing navigation tool tops a great magnetic compass for simplicity and reliability--without the hassle of power or batteries. But you need to be aware of one secret rule that can keep your sailboat compass from error. This could keep you from running aground and help you find your way home. Read on for one of the best-kept secrets in navigation. ... (to read the remainder of this article, please log in below.)

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