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34 Cards in this Set
- Front
- Back
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FM for land nav and map reading
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FM 3-25.26
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Basic Colors on a map
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Black-man made objects
Red/Brown- culturla features, all relief features, elevation and contour lines Blue-water Green- Vegetation Brown-elevation old maps red- cultural features old maps |
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what are military symbols
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figures used to represent types of military organizations, istallations, and activities
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where is the legend found on a map
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lower left margin
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what are the contour lines
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imaginary lines on the ground connection equal elevation, represent high and low ground elevation
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3 types of contour lines
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index
intermediate supplementary |
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how many mils are in one degree
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17.7 mils
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how many norths are there on a military map
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true
magnetic grid |
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what must be done with a map before it can be used
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it must be oriented
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what are the 5 major terrain features
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hill
valley ridge saddle depression |
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w hat are the 2 supplementary features
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cut and fill
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3 minor terrain features
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cliff
spur draw |
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what is a map
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a map is a graphic representation of the earths surface as seen from above drawn to scale
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what is the distace between grid lines
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1 kilometer
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how many mils are in 360 degress
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6400
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which north is used when using a military map
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magnetic and grid
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name two ways to hold a compass
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compass to cheek method
center hold method |
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are topographic symbols drawn to scale
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no
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what is a topographic symbol
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represents a man made or natural feature
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colors used for a map overlay
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blue- freindly forces
red- enemy black- boundaries yellow- contaminated areas green- engineer obstacles friendly and enemy |
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how do you figure out a back azimuth
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add or subtract 180 degrees
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what is a declination diagram
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shows the angular relationship between grid magnetic and true north
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what is a benchmark
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a man made mark showing points of elevation
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What does UTM stand for
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universal transverse mercator
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name two ways to orient a map
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using a compass
terrain association |
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what is the field manual for operational terms and graphics
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FM 1-02
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What does FLOT mean
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Forward Line of Troops
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Whats a topographic map
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portrays terrain and land in forms in a measurable was as well as horizontal features of the positions represented
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what does the term intersection mean
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the process of finding an unknown point using two or more know points
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what does resection mean
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finding ones own location on a map using two or more known points
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what three things do u need for dead reckoning
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known starting point
known distance known direction |
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3 ways to determine direction
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shadow tip method, watch method, north star
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what is a contour level
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it is the verticle distance between contour lines
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how close will an 8 digit grid get you
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with 10 meter
6-100 meters 4 1k |
