At 12:47 PM 2/5/2011, Chris Albertson wrote...
But "magnetic variation" can be can be gotten from a map... Compensation would always need to be entered by hand.

Compensation? Please don't tell me they've changed things, and a great mnemonic is no more. I learned it as True-Variation-Magnetic-Deviation-Compass - TVMDC - "Two Virgins Make Dull Company."


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