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35 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 colors on a map and what does each color represent? |
Black - man made features such as buildings and roads Blue - hydrology Brown - relief features and elevation Green - Vegetation with military significance Red - cultural features such as populated areas main roads and boundaries Redbrown - contour lines |
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What are military symbols? |
Figures used to represent types of military organizations, installations, and activities |
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Where is the legend found on a map? |
Lower left margin |
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What are contour lines? |
Imaginary lines on the ground connecting equal elevation |
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What are 3 types of contour lines? |
Index Intermediate Supplementary |
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How many Mils are in one Degree? |
17.7 mils |
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How many Norths are there on a military map? |
Three - true north, magnetic north, and grid north |
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What must be done to a map before it can be used? |
It must be orientated |
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What are the 5 major terrain features found on a map? |
Hill Valley Ridge Saddle Depression |
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What are the 3 minor terrain features found on a map? |
Draw Spur Cliff |
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What are the 2 supplementary terrain features found on a map? |
Cut Fill |
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What is a map? |
A geographical representation of the earth's surface drawn to scale as seen from above |
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What is an azimuth? |
A horizontal angle measured in a clockwise manner from a North base line, expressing direction. |
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What is vertical distance? |
The distance between the highest point and lowest point measured. |
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What is a contour interval? |
The vertical distance between adjacent contour lines on a map |
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What is the distance between gridlines on a combat map? |
1 kilometer or 1000 meters |
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How many Mils are there in a circle? |
6400 mils in 360 degrees |
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Which north is used when using a military map? |
Magnetic north when you sing a compass Grid north when using a map |
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Name two ways to hold a compass? |
Compass to cheek method Center hold method |
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Are topographic symbols drawn to scale? |
No |
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What do topographic symbols represent? |
Man made and natural features |
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What is back azimuth? |
The opposite direction of an azimuth |
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How do you figure out a back azimuth? |
Add 180 degrees if azimuth is 180 degrees or less, subtract 180 degrees if azimuth is 180 degrees or more |
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What is a declination diagram? |
Shows the relationship between the magnetic, grid, and true north |
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What is the general rule for reading military grid coordinates? |
Right and up |
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How many sights does a compass have? |
2 |
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What is a beanchmark? |
A man made marker showing points of elevation |
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The lensatic compass has a bezel ring, each bezel ring click is equal to how many degrees? |
3 |
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How many times would the bezel ring rotate if it were fully rotated? |
120 |
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Large cities on a map are represented by what color? |
Black |
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Name two ways to orientate a map |
Use a compass Terrain association |
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What does intersection mean? |
Finding the location of an unknown point by sighting two or more known points |
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If you find a symbol on a map that is unknown to you where would you look? |
The marginal data located on the outside lower portion of the map |
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How many scales are there on a compass and what are they? |
2, mils and degrees |
