grid azimuth

grid azimuth

[′grid ¦az·ə·məth]
(navigation)
In grid navigation, the angle in the plane of projection measured clockwise between a straight line and the central meridian of a plane-rectangular coordinate system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Each leg portrays the magnetic azimuth (not the grid azimuth), the distance, and the estimated consumption of time.
It also provides only the grid azimuth, forcing the planner to use scratch paper to convert to the magnetic azimuth, and the planner is hard-pressed if he loses it.
* Determine the grid azimuth. Rotate the bezel ring so that the short luminous line is parallel to the north-south grid lines on the map and is pointing toward grid north.
Continue by drawing an arc between the grid and reference lines and inserting the grid azimuth--this is the grid azimuth angle.