A Guide To Camping & Wilderness Survival

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GRID AZIMUTHS


When an azimuth is plotted on a map between point A (starting point) and point B (ending point), the points are joined together by a straight line. A protractor is used to measure the angle between grid north and the drawn line, and this measured azimuth is the grid azimuth (Figure 6-4).

Figure 6-4. Measuring an azimuth.

Figure 6-4. Measuring an azimuth.

WARNING

When measuring azimuths on a map, remember that you are measuring from a starting point to an ending point. If a mistake is made and the reading is taken from the ending point, the grid azimuth will be opposite, thus causing the user to go in the wrong direction.















Index Index

INTRODUCTION
METHODS OF EXPRESSING DIRECTION
BASE LINES
AZIMUTHS
GRID AZIMUTHS
PROTRACTOR
DECLINATION DIAGRAM
INTERSECTION
RESECTION
MODIFIED RESECTION
Back to Chapter Index





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