Term
| What is the FM for map reading and land nav? |
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Definition
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Term
| What are the basic colors on a map and their meanings? |
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Definition
Black-Man made objects (buildings, roads, ETC)
Red-brown- cultural features, relief features, elevation
Blue- water
Green- Vegetation
Brown-Relief features and elevation
Red- Populated areas, main roads |
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Term
| What are military Symbols? |
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Definition
| Figures used to represent types of military organizations, installations, and activities |
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Term
| Where is the legend found? |
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Definition
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Term
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Definition
| Imaginary lines on the ground connecting equal elevation, they represent high and low ground elevation |
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Term
| What are three types of contour lines? |
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Definition
Index
Intermediate
Supplementary |
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Term
| How many mils are in one degree? |
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Definition
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Term
| How many norths are there on a military map? |
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Definition
1. True North
2. Magnetic North
3. Grid North |
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Term
| What shape are the contour lines that indicate a hill? |
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Definition
| A hill is shown on a map by contour lines forming concentric circles. The small closed circle is the hill top. |
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Term
| What shape are the contour lines that indicate a saddle? |
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Definition
| A saddle is normally represented as an hourglass |
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Term
| What shape are the contour lines that indicate a valley? |
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Definition
| Contour lines forming a valley are either U or V shaped |
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Term
| What shape are contour lines that indicate a ridge? |
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Definition
| Contour lines forming a ridge tend to be U or V shaped. The closed end of the contour line points away from high ground |
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Term
| What shape are the contour lines that indicate a depression? |
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Definition
| Usually only depressions that are equal to or greater then the contour interval will be shown. On maps, depressions are represented by closed contour lines with tick marks pointing towards low ground |
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Term
| What shape are contour lines that indicate a draw? |
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Definition
| The contour lines depicting a draw are U or V shaped, pointing towards high ground |
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Term
| What shape are contour lines that indicate a spur? |
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Definition
| Contour lines on a map depict a spur with the U or V pointing away form high ground |
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Term
| What shape are the contour lines that indicate a cliff? |
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Definition
| Cliffs are shown by contour lines very close together and in some instances touching each other |
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Term
| What shape are the contour lines that indicate a cut? |
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Definition
| This contour line extends the length of the cut and has tick marks that extend from the cut line to the roadbed, if the map scale allows this level of detail |
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Term
| What shape are the contour lines that indicate a fill? |
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Definition
| This contour line extends the length of the filled area and has tick marks that point toward lower ground. if the map scale permits, the length of the fill tick marks are drawn to scale and extend for the case line of the fill symbol |
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Term
| What must be done to a map before it can be used? |
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Definition
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Term
| What are 5 major terrain features on a map? |
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Definition
| Hill, Valley, Ridge, Saddle, Depression |
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Term
| What are 3 minor terrain features found on a military map? |
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Definition
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Term
| What are the 2 supplementary terrain features found on a military map? |
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Definition
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Term
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Definition
| 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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Term
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Definition
| A horizontal angle, measured in a clockwise manner form a north base line, expressing direction |
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Term
| What is vertical distance? |
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Definition
| The distance between the highest and lowest points measured |
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Term
| What is contour interval? |
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Definition
| The vertical distance between adjacent contour lines on a map |
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Term
| What is the distance between grid lines on a combat map? |
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Definition
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Term
| How many mils are in a circle? |
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Definition
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Term
| Which north is used when using a military map? |
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Definition
| Magnetic north when using a compass, and grid north when using the map |
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Term
| How would you hold a lensatic compass? |
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Definition
| Away from metal, level and firm |
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Term
| Name two ways to hold a compass. |
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Definition
1. Compass to cheek method
2. center hold method |
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Term
| Are topographic symbols drawn to scale? |
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Definition
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Term
| What to do topographic symbols represent? |
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Definition
| Man made and natural features |
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Term
| In military symbols, what colors are used for a map overlay and what do they represent? |
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Definition
Blue- friendly forces
Red- Enemy forces
Black- Boundaries
Yellow- Contaminated Area both friendly and enemy
Green- Engineer obstacles |
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Term
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Definition
| the opposite direction of a azimuth |
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Term
| How to you figure out a azimuth? |
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Definition
| To obtain a back azimuth from an azimuth, 180 degrees if the azimuth is 180 or less; subtract 180 degrees if the azimuth is 180 degrees or more |
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Term
| What is a declination diagram? |
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Definition
| Shows the angular relationship between the magnetic north, grid north and true north |
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Term
| What is the general rule for reading a military map? |
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Definition
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Term
| How many sights does a compass have? |
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Definition
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Term
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Definition
| A man-made marker showing points of elevation |
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Term
| What are parallels of latitude? |
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Definition
| Measured distances going north or south of the equator |
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Term
| What is an aerial photograph? |
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Definition
| An aerial photograph is any photograph taken from an airborne vehicle |
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Term
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Definition
| Universal Transverse Mercator |
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Term
| The lensatic compass has a bezel ring; each ring is equal to how many degrees? |
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Definition
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Term
| How many times would the Bezel ring click if fully rotated? |
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Definition
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Term
| Large cities on a map are represented by what color? |
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Definition
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Term
| Name two ways to orient a map. |
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Definition
| Use a compass and terrain association |
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Term
| What is the FM for operational terms and graphics? |
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Definition
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Term
| The arrow on a compass always points what direction? |
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Definition
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Term
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Definition
|
|
Term
| what are the alternate colors on a map and what do they mean? |
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Definition
Gray-Alternate for brown
Yellow-Built up areas
Pink- Political Boundaries |
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Term
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Definition
| Imaginary lines that run north to south originating in Greenwich, England and measured in degrees |
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Term
| What is a topographic map? |
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Definition
| Portrays terrain and land forms in a measurable way as well as horizontal features of the positions represented |
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Term
| What is a small-scale map? |
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Definition
| 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 |
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Term
| What is a medium scale map? |
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Definition
| Those maps with 1:1,000,000 but smaller than 1:75,000 are used for operational planning. They contain a moderate amount of detail. The standard medium scale map is 1:250,000 |
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Term
| What is a large scale map? |
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Definition
| Those maps with scales of 1:75,000 and larger are used for tactical, administrative, and logistical planning. |
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Term
| What does the term intersection mean? |
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Definition
| Finding the location of an unknown point by sighting two or more known points |
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Term
| Why is a map so important? |
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Definition
| When used correctly, a map can give you accurate distances, locations, heights, best routes key features and cover and concealment information |
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Term
| What does the term resection mean? |
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Definition
| Resection is the method of locating ones position on a map by determining the grid azimuth to at least two well defined locations that can be pin pointed on a map |
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Term
| If you find a symbol on a map that is unknown to you, where should you look? |
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Definition
| The marginal data, located on the out side lower portion of the map |
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Term
| How many scales are on a compass? |
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Definition
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Term
| What are the for quadrants on a map? |
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Definition
Northeast
southeast
northwest
southwest |
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Term
| What are the three elements for a land navigation process known as dead reckoning? |
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Definition
1. Known starting point
2. known distance
3. Known Azimuth |
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Term
| What is the feature that makes the lensatic compass work well at night? |
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Definition
| The dials and the needles are luminous |
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Term
| What is a polar coordinate? |
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Definition
| Plotting or locating an unknown point using an azimuth and a distance from a known starting point |
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Term
| What is the name of the map system that the US uses? |
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Definition
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Term
| On a lensatic compass there are two rings, an outer ring and an inner ring, what are they used for? |
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Definition
| The inner red ring is used to find degrees, the outer black ring is used to find mils |
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Term
| Name 3 field expedient methods of determining direction. |
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Definition
The shadow tip method
the watch method
the North star method |
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Term
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Definition
the vertical distance between contour lines. The
amount of the contour level is located in the marginal information on the map |
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Term
| The border line around the edge of the map is called the what? |
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Definition
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Term
| Name the different slopes found on a map. |
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Definition
1. Gentle
2. Steep
3. Concave
4. Convex |
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Term
| You must find at least how many known locations on a map and the actual ground in order to plot you location accurately? |
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Definition
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|
Term
| What are the three main map sizes? |
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Definition
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Term
| What are two methods of measuring an azimuth? |
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Definition
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|
Term
| How close will an eight-digit grid get you to your point? |
|
Definition
|
|
Term
| How close will a six digit grid get you to your point? |
|
Definition
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|
Term
| What would you use on a map to measure actual ground distance? |
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Definition
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