grivation

(ɡrɪˈveɪʃən)

(Navigation) nautical short for grid variation

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

grivation

See: grid magnetic angle.

Dictionary of Military and Associated Terms. US Department of Defense 2005.

Mentioned in

References in periodicals archive

To convert, for example, from magnetic to grid, add east grivation to magnetic course.

High-latitude approach: most of us never look at the old whiskey compass in the cockpit, but it represents the cornerstone of navigation. Think you can get where you're going if you can't use it?

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