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51 Cards in this Set
- Front
- Back
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what is the field manual for map reading and land navigation? |
FM 3-25.26 |
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what are the basic colors of a map? |
Black Red |
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what are military symbols?
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figures used to represent types of military organization, installations, and activities. |
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where is the legend of the map found?
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lower left margin
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what are contour lines?
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imaginary lines on the ground connecting equal elevation and they represent high and low ground elevation. |
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what are 3 types of contour lines?
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1. Index
2. Intermediate 3. 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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Three:
True North Magnetic North Grid North |
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what must be done to a map before it can be used?
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it must be orientated
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what are 5 major terrain features found on a map?
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1. Hill
2. Ridge 3. Valley 4. Saddle 5. Depression |
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what are the 3 minor terrain features found on a military map?
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1. Draw
2. Spur 3. Cliff |
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what are the 2 supplementary terrain features found on a military map?
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1. Cut
2. Fill |
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what is a map?
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a map is a graphic representation of a portion of the earth's surface drawn to scale, as seen from above. |
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what is an azimuth?
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a horizontal angle, measured in a clockwise manner from a north base line, expressing direction. |
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what is a vertical distance?
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the distance between the highest and lowest points measured. |
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what is a contour interval?
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the vertical distance between adjacent contour lines on a map
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What is the distance between grid lines on a combat map?
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1 kilometer or 1000 meters
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How many mils are there in a circle?
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6400 mils in 360 degrees
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Which north is used when using a military map?
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Magnetic north when using a compass, and grid north when using the map
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How would you hold a lensatic compass?
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Away from metal (weapons, electrical devices), level and firm
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Name two ways to hold a compass?
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Compass-to-Cheek Method |
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Are topographic symbols drawn to scale?
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No
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What do topographic symbols represent?
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Man-made and natural features
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What is Back Azimuth?
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The opposite direction of an azimuth.
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How do you figure out a back azimuth?
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To obtain a back azimuth from an azimuth, add 180 degrees if the azimuth is 180 degrees or less; subtract 180 degrees if the azimuth is 180 degrees or more |
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What is a declination diagram?
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Shows the angular relationship between the magnetic north, grid north and true north
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What is the general rule for reading military grid coordinates?
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right and up
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How many sights does a compass have?
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2
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What does UTM stand for?
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Universal Transverse Mercator
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The lensatic compass has a bezel ring; each bezel ring click is equal to how many degrees?
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3
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How many times would the bezel ring click if it were fully rotated?
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120
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Name two ways to orient a map?
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Use a compass and 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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The arrow on a compass always points what direction?
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Magnetic north
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What does the term FLOT mean?
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Forward Line Of Troops
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What does the term intersection mean?
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Finding the location of an unknown point by sighting two or more known points
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What does the term resection mean?
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Resection is the method of locating one's position on a map by determining the grid azimuth to at least two well-defined locations that can be pinpointed on the map.
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How many scales are there on a compass, what are they?
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There are two:
Degrees Mils |
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What are the 4 quadrants on a map?
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Northeast |
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What are the three elements for a land navigation process known as Dead Reckoning?
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Known starting point |
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What is the feature that makes the lensatic compass work well at night?
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The dials and needles are luminous
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what are the three main map sizes?
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Small
Medium Large |
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How close will an eight-digit grid get you to your point?
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10 meters |
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How close will a six-digit grid coordinate get you to your point?
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100 meters |
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What would you use on a map to measure actual ground distance?
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the bar scale |
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What does the color Black represent on a military Map? |
culture, man-made features such as buildings and roads, surveyed spot elevations, and all labels. |
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What does the color Red-Brown represent on a military map? |
combined they identify cultural features, all relief features, non-surveyed spot elevation, and elevations. |
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what does the color Blue represent on a military map? |
- identifies water. |
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what does the color Green represent on a military map? |
identifies vegetation with military significance. |
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What does the color Brown represent on a military map? |
identifies elevation, such as contour on older edition maps, and cultivated land on red-light readable maps. |
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what does the color Red represent on a military map? |
- identifies populated areas, main roads, and boundaries, on older maps. |
