ABAC scale

A nomogram for obtaining the conversion angle to apply when plotting great circle bearings on a mercator projection.

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

All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.