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Determine Grid Azimuth using a Protractor
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Determine Grid Azimuth using a Protractor
BLC 11-20
Scope
- At the end of this course you will be able to Identify the starting point and ending point on the map. Draw a straight line on the map connecting the points, align the protractor to the map, and determine the value of the angle
- At the end of this course, you will be able to determine grid Azimuth using a Protractor.
What is a Grid Azimuth?
Deliberate Risk Assessment: Low
Protractor
They are scaled to the Military Grid Reference System (MGRS). They use the metric system for measuring distance and feature both compass degrees and mils around the edges. These protractors are for use with the military topographic maps.
Protractor
Map
A military city map is a topographic map (usually at 1:12,550 scale, sometimes up to 1:5,000), showing the details of a city. It delineates streets and shows street names, important buildings, and other elements of the urban landscape important to navigation and military operations in urban terrain.
Military Map
True North
True north is the direction along Earth's surface towards the geographic North Pole or True North Pole. Geodetic north differs from magnetic north, and from grid north.
True North
Grid Azimuth
Definition A horizontal angle measured clockwise from a north base line. This north base line could be true north, magnetic north, or grid. north. • When using an azimuth, the point where the azimuth. originates is the center of an imaginary circle
Grid Azimuth
RIGHT
WRONG
Examples
Summary
- Grid Azimuth
- Map
- Protractor
- True North
- Point A to B examples