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73 Cards in this Set
- Front
- Back
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What are the colors on a map and what do they represent |
Black-manmade features Red-cultural features Brown-relief features/elevation Blue- water features Green - vegitation |
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What are military symbols |
Figures use to represent military organizations, installations and activities |
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What are contour lines |
Lines that represent high and low ground |
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What are the 3 types if contour lines |
Index Intermediate Supplementary |
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What shape are contour lines that indicate a ridge |
U or V shaped with closed ends pointing away from high ground |
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What shape are contour lines that indicate a cut |
Extends the length of the cut with tick marks towards the road |
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What contour lines indicate a fill |
Extends the length of the fill with tick marks toward low ground |
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What are the 3 minor terrain features |
Spur Draw Cliff |
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What are the 2 supplementary terrain features |
Cut Fill |
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What is a map |
A graphic image of the earths 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 baseline expressing direction |
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Name 2 ways to hold a compass |
Center hold Compass to cheek |
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What do topographic symbols represent |
Man made and natural features |
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In military symbols what colors are used on a map overlay and what do the represent |
BLUE- friendly forces RED-enemy forces BLACK-boundries YELLOW-contaminated area GREEN-engineer obsticles |
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What is a declination diagram |
Shows angular relationship between magnetic, grid, and true north |
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What are parallels of latitude |
Measured distances going north or south of the equator |
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What does UTM stand for |
Universal transverse Mercator |
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What is the FM for operational terms and graphics |
FM 1-02 |
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What are the alternate colors on a map and what do they mean |
GREY- alternate for brown YELLOW- built up areas PINK- political boundries |
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What is longitude |
Imaginary lines that run north to south measured in degrees originating in Greenwich England. |
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What is a topographical map |
Portrays terrain, land and horizontal features in a measurable way |
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What does the term intersection mean |
Finding an unknown point by sighting 2 or more known points |
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Why is a map so important |
It can give you accurate distances, locations and elevations, best routes, key terrain features and cover and concealment information |
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What does the term resection mean |
A method of locating your position by determining the grid azimuth to at least 2 locations |
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What are the 3 elements for dead reckoning |
Known starting point Known distance Known azimuth |
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What is a polar coordinate |
Plotting or locating an unknown point using an azimuth and distance from a known starting point |
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What is a contour level |
The virtical distance between contour lines |
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Name the 4 different slopes found on a map |
Gentle Steep Concave Convex |
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What would you use on a map to measure actual ground distance |
The bar scale |
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Where is the legend of the map found? |
Lower left margin |
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How many mils are in one degree? |
17.7 |
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How many norths are there on a military map? |
3 -true north -magnetic north -grid north |
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What shape are the contour lines that indicate a saddle? |
A saddle is normally represented as an hourglass |
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What is the shape of contour lines that indicate a valley? |
Either "U" or "V" shaped contour lines |
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What is the shape of contour lines that indicate a depression? |
Closed contour lines with tick marks pointing towards low ground |
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What is the shape of contour lines that indicate a draw? |
"U" or "V" shaped with the closed end pointing towards high ground |
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What is the shape of contour lines that indicate a spur? |
"U" or "V" shaped with the closed end pointing away from high ground |
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What is the shape of contour lines that indicate a cliff? |
Contour lines that are very close together and sometimes touching each other |
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What must be done to a Map before it can be used? |
It must be oriented |
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What are the 5 major terrain features? (Hidden valley ranch salad dressing) |
-hill -valley -ridge -saddle -depression |
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What is vertical distance? |
The distance between the highest and lowest points measured |
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What is the distance between grid lines on a combat map? |
1 kilometer or 1000 meters |
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How many mils are there in a circle? |
6,400 in a 360° circle |
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Which north is used when using a military map? |
Grid north (map) Magnetic north(compass) |
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How would you hold a lensetic compass? |
Away from metal, firm and level |
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What is a back azmuth? |
The opposite direction of an azmuth |
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How do you figure out a back azmuth? |
If your azmuth is less than 180° you add 180° If it is more than 180° you subtract 180° |
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What is the general rule for reading grid coordinates? |
Right and up |
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Howany sights does a compass have? |
2 |
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What is a benchmark? |
A manmade marker showing points of elevation |
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What is an aerial photograph? |
A photo taken from an airborne vehicle |
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Each bezel ring click is equal to his many degrees? |
3° |
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How many times would a bezel ring click if it were rotated 360°? |
120 clicks |
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Large cities on a map are represented by what color? |
Black |
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Name 2 ways to orient a map? |
-by compass -by terrain association |
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The arrow on a compass always points in what direction? |
Magnetic north |
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What does the term FLOT mean? |
Forward Line Of Troops |
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What is a small scale map? |
Maps with scales of 1:1,000,000 and smaller used for general planning |
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What is a medium scale map? |
Maps with scales larger than 1:1,000,000 but smaller than 1:75,000 used for operational planning |
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What is a large scale map? |
Maps with scales of 1:75,000 and larger used for tactical, administrative and logistic purposes |
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If you find a symbol on a map that is unknown to you where would you look? |
At the marginal data |
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How many scales are there on a compass and what are they? |
2 -mils -degrees |
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What are the 4 quadrants on a map? |
-northeast quadrant -northwest quadrant -southeast quadrant -southwest quadrant |
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What is the feature that makes the lensetic compass work well at night? |
The dials and needles are luminous |
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What is the name if the map system the US uses? |
UTM (Universal Transverse Mercater) |
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On a lensetic compass there is an outer black ring and an inner red ring, what are they used for? |
-red ring: used for degrees -black ring: used for mils |
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The boarder line on the edge of the map is called what? |
The neat line |
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Name 3 field expediant methods for determining direction? |
-shadow tip method -watch method -north star method |
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You must find how many known locations on a map and the actual ground in order to plot your locations accurately? |
At least 2 |
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What are the 3 main map sizes? |
-small -medium -large |
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What are the 2 methods of measuring an azmuth? |
-compass -protractor |
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How close will an 8 digit grid get you? |
10 meters |
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How close will a 6 digit grid get you? |
100 meters |
