Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
76 Cards in this Set
- Front
- Back
|
What are the basic colors of a map and what does each color represent? |
- Black, indicates cultural man-made. - Red-Brown, identifies cultural features, elevation. - Blue, hydrograph or water features. - Green, vegetation with military significance. - -- - - Brown, relief features and elevation. - Red, cultural features |
|
|
What are military symbols? |
Figures used to represent types of military organizations, installations, and activities |
|
|
Where is the legend of the map found? |
Lower left margin |
|
|
What are contour lines? |
imaginary lines on the ground connecting equal elevation, they represents high and low ground elevation |
|
|
What are three types of contour lines? |
1) index 2) intermediate 3) supplementary |
|
|
How many mils are in one degree? |
17.7 mils |
|
|
How many Norths are there on a military map? |
1) true north 2) magnetic north 3) grid North |
|
|
What shape are contour lines that indicate a hill? |
The hill is shown on a map by contour lines forming concentric circles. The inside of the smallest closed circle is the hilltop |
|
|
What shape are the contour lines that indicate a saddle? |
A saddle is normally represented as a hourglass |
|
|
What shape are the contour lines that indicate a valley? |
Contour lines forming a Valley are either u-shaped or v-shaped |
|
|
What shape are the contour lines that indicate a ridge? |
Contour lines forming a ridge tend to be u-shaped or v-shaped. The closed end of the contour line points away from High Ground |
|
|
What shape are contour lines that indicate a depression |
Usually only depressions that are equal to or greater than the contour interval will be shown. On maps, depressions are represented by closed contour lines that have tick marks pointing toward low ground |
|
|
What shape are the contour lines that indicate a draw? |
the Contour lines depicting a draw are U-shaped or V-shaped, pointed toward high ground |
|
|
What shape are the contour lines that indicate a spur? |
Contour lines on a map depict a Spur with the U or V pointed away from High Ground |
|
|
What shape are the contour lines that indicate a cliff? |
Cliffs are also shown by contour lines very close together and, in some instances, touching each other |
|
|
What shape are the contour lines that indicate a cut? |
This contour line extends the length of the cut and has tick marks that extend from the cutline to the roadbed, if the map scale permits this level of detail |
|
|
What shape are the contour lines that indicate a fill? |
This contour line extends the length of the filled area and has tick marks that point to towards lower ground. If the map scale permits, the length of the fill tick marks are drawn to scale and extend from the Baseline of the fill symbol |
|
|
What must be done to a map before it can be used? |
it must be oriented |
|
|
What are 5 major terrain features found on a map? |
1) Hill 2) Ridge 3) Valley 4) saddle 5) depression |
|
|
What are the three minor terrain features found on a military map? |
1) draw 2) spur 3) cliff |
|
|
What are the two supplementary terrain features found on a military map? |
1) cut 2) fill |
|
|
What is a map? |
It is a graphic representation of a portion of the Earth's surface drawn to scale upon a flat plane |
|
|
What is an azimuth? |
A horizontal angle, measured in a clockwise manner from a North Base Line, expressing Direction |
|
|
What is a vertical distance? |
The distance between the highest and lowest points measured |
|
|
What is a contour interval? |
The distance between contour lines |
|
|
What is the distance between grid lines on a combat map? |
1 kilometer or 1000 meters |
|
|
How many mills are there in a circle? |
6400 mils in 360 degrees |
|
|
Which North is used when using a military map? |
Magnetic north when using a compass, grid North when using the map |
|
|
How would you hold a lensatic compass? |
Away from metal weapons, electrical devices, level and firm |
|
|
Name two ways to hold a compass? |
1) Compass to cheek method 2) center hold method |
|
|
Are topographic symbols drawn to scale? |
No |
|
|
What do topographic symbols represent? |
Man-made and natural objects |
|
|
What is a back azimuth? |
The reverse direction of an azimuth |
|
|
How do you figure out a back azimuth? |
If the azimuth is 180 degrees or less, you add a 180 degrees to find the back azimuth. If the azimuth is more than 180 degrees, you subtract 180 degrees to find the back azimuth |
|
|
What is a declination diagram? |
Shows the interrelationship between the magnetic north, grid North and true north |
|
|
What is the general rule for reading military grid coordinates? |
Right and up |
|
|
How many sights does a compass have? |
2 |
|
|
What is a benchmark? |
A man-made marker showing elevation |
|
|
What are parallels of latitude? |
Measured distances going north or south of the Equator |
|
|
What is a aerial photograph |
Actual picture of the Earth surface, that shows as it appears from the air |
|
|
What does UTM stand for? |
Universal transverse mercator |
|
|
The lensatic Compass has a bezel ring, each bezel ring click is equal to how many degrees? |
3 |
|
|
How many times would the bezel ring click if it were fully rotated? |
120 |
|
|
Large cities on a map are represented by what color? |
Black |
|
|
Name two ways to orient a map? |
Use a compass and Terrain Association |
|
|
What is the field manual for operational terms and graphics? |
FM 101 - 5 - 1 |
|
|
The arrow on a map always points what direction? |
Magnetic north |
|
|
What does the term FLOT mean? |
Forward line of troops |
|
|
What are the alternate colors on a map and what do they mean? |
- Grey, alternate color for Brown - yellow, built-up areas, - pink, political boundaries |
|
|
What is longitude? |
Imaginary lines that run north to south originating in Greenwich, England and measured in degrees |
|
|
What is a topographic map? |
Portrays terrain and land forms in a measurable way as well as horizontal features of the positions represented |
|
|
What is a small scale map? |
Those maps with scales of 1:1,000,000 and smaller are used for General planning and for strategic studies the standard small scale map is 1:1,000,000. this map covers a very large land area at the expense of detail. |
|
|
What is a medium Scale map? |
Those maps with scales larger than 1:1,000,000 but smaller than 1:75,000 are used for operational planning. They contain a moderate amount of detail, but terrain analysis is best done with a large-scale Maps described below. The standard medium Scale map is 1:250,000. Medium scale maps of 1:100,000 are also frequently encounter. |
|
|
What does the term intersection mean? |
Finding the location of an unknown Point by sighting two or more known points |
|
|
What is an azimuth? |
Directions, defined as a horizontal angle measured from the North in degrees or mils |
|
|
Why is a map so important? |
When used correctly, a map can give you accurate distances, locations and Heights, best route key terrain features and cover and concealment information. |
|
|
What does the term resection mean? |
Finding your location on a map by citing two or more known locations with a compass or straight edge. Your location is the point where the lines (back azimuth)intersect |
|
|
If you find a symbol on a map that is unknown to you, where would you look? |
Marginal data, located on the outside lower portion of the map |
|
|
How many scales are there on a compass what are they? |
2, degrees and Mills |
|
|
What are the four quadrants on a map? |
Northeast southeast, northwest, Southwest |
|
|
What are the three elements for a Land Navigation process known as dead reckoning? |
Known Starting point, known distance, and known azimuth |
|
|
What is the feature that makes the lensatic compass work well at night? |
The dials and needles luminous |
|
|
What is a polar coordinates? |
Plotting or locating an unknown Point using a Azimuth and a distance from a known starting point |
|
|
What is the name of the map system that the U.S. uses |
UTM |
|
|
What is the field manual for map Reading? |
FM 3 - 25.26 |
|
|
On a Lensatic Compass there are two rings, an outer black ring and an inner Red Ring, what are they used for? |
The inner red ring is used to find degrees, and the outer black ring is used to find Mills |
|
|
Name three field expedient methods of determining Direction |
The shadow-tip method, the watch method, and the North Star method |
|
|
What is a contour level? |
It is the vertical distance between contour lines. The amount of Contour level is located in the marginal information on the map |
|
|
The border line around the edge of the map is called the what? |
Neat line |
|
|
Name the different slopes found on a map |
1) gentle 2) steep 3) concave 4) convex |
|
|
You must find at least how many known locations on a map and the actual ground in order to plot your location accurately? |
At least two |
|
|
What are the three main map sizes? |
Small, medium and large |
|
|
What are two methods of measuring an azimuth? |
Compass and a protractor |
|
|
How close will an 8-digit grid get you to your point? |
10 meters |
|
|
How close will a 6 digit grid coordinate get you to your point |
100 meters |
|
|
What would you use on a map to measure actual ground distance? |
The bar scale |
