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124
Appendix
B /
Using
a
Compass
Finding the
The magnetic azimuth is the directional reading in degrees taken directly fi'om the
Magnetic
compass. This reading represents the number of degrees offofmagnetic
north. For
Azimuth
example:
East - 90° Azimuth
West - 270 ° Azimuth
South - 180° Azimuth
North - 0° or 360° Azimuth
Two types
of compasses
are commonly
used to fred the
magnetic
azimuth.The
"standard" compasshasafixeddialwith a"needle" that alwayspointstoward magnetic
north. Another type is a "lensatic" compass.Thiscompass has a stationary reference
markwith amovingdialand a lensthat allowsthe userto focus onthe dialwhilepeering
through a directionalsight. Both types can be used to find the magnvticazimuth.
However,the lensatic compassis more accurate and is the preferred choice.
Standard
Compass
LensaUc Compass
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