Shared Flashcard Set

Details

V1. URE - Unit 2
Map and Compass Use
43
Communication
Professional
06/02/2013

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Cards

Term
What are the four lines called that enclose the body of a standard military map?
Definition
Neat
Term
Lines of latitude progress north and south of
Definition
The Equator
Term
The point where 180°East Longitude meets 180° West longitude is called what?
Definition
The International Dateline
Term
How many degrees is each line of latitude or longitude broken down into?
Definition
360
Term
The first major breakdown of the Universal Transverse Mercator (UTM) grid is the division of each zone into areas of 6° by 8° and
Definition
6° by 12°
Term
What is the combination of the zone number and the row letter called?
Definition
Grid zone designation
Term
On a military map, what are the two digits printed in large type that appear at intervals along the grid line?
Definition
The principle digits
Term
A map grid coordinate scale is designed for the express purpose of
Definition
plotting grid coordinates
Term
On the 1:25,000 scale in the military grid reference system, the 1,000 meter grid block is divided into 10 major subdivisions equal to how many meters each?
Definition
100
Term
On the 1:50,000 scale in the military grid reference system, the 1,000 meter grid block is divided into 10 major subdivisions equal to how many meters each?
Definition
100
Term
How many digits are needed for map grid coordinate to be accurate within one meter?
Definition
10
Term
What does the Global Area Reference System (GARS) provide over other geographical grid reference systems?
Definition
Common joint service reference system
Term
The Global Area Reference System (GARS) was the first global reference system developed for
Definition
de-conflicting
Term
What number and letter combination, in sequence, does the Global Area Reference System (GARS) use to identify an area anywhere in the world?
Definition
Three numbers and two letters
Term
The Global Area Reference System (GARS) use a base line that starts at the
Definition
South Pole and International Dateline
Term
Which letter is omitted in the latitudinal band (northwards) of the Global Area Reference System (GARS).
Definition
I
Term
What represents the age of the topographic map, in relation to other editions of the same map, and the agency responsible for its production?
Definition
Edition number
Term
The basis for converting topographic map distance to ground distance is the
Definition
Bar scale
Term
On a topographical map, where do you find the information pertaining to the grid system used, the interval lines, and the number of digits omitted from the grid values?
Definition
Grid note
Term
On a topographical map, you find information for composing a grid reference in the
Definition
Grid reference box
Term
Where on a topographical map would you find information on the angular relationships of true north, grid north, and magnetic north?
Definition
Declination diagram
Term
What color is used on a topographical map to indicate most cultural or man-made features?
Definition
Black
Term
What color is used for joint operations graphics on a topographical map, to indicate air-ground operations?
Definition
Purple
Term
You are using topographic symbols on a map and determine that the width of a road is exaggerated. When this happens it means the
Definition
feature moves from its true position to preserver its relation to the road
Term
What type of terrain/relief feature on a topographic map slopes down in all directions?
Definition
Hill
Term
An example of the detailed information the Joint Operations Graphic (JOG) air series maps contain is
Definition
Radio ranges
Term
What does the large, open-faced figure in each 15-minute quadrangle of a Joint Operations Graphic (JOG) air map represent?
Definition
Highest terrain elevation
Term
What type of information does the Joint Operations Graphic (JOG) ground series map identify?
Definition
Permanent air facilities
Term
How many part, on a tactical map, do military symbols generally consist of?
Definition
Six
Term
In relation to the basic symbol, where would you place the unit size symbol on a tactical map?
Definition
Above
Term
On a tactical map, place higher echelons of command
Definition
To the right of the basic symbol
Term
On a tactical map, military symbols represented in yellow mean?
Definition
friendly or enemy areas of chemical, biological, or radiological contamination
Term
Military symbols represented in green on a tactical map mean
Definition
friendly or enemy man-made obstacles
Term
To avoid compass reading interference when using a lensatic compass, how many meters from a tank is the suggest safe operating distance?
Definition
18
Term
How many meters from barbed wire is the suggested safe operating distance, while using a lensatic compass?
Definition
10
Term
What map feature enables you to orient a map properly and shows the interrelationship of magnetic, grid, and true north?
Definition
Declination diagram
Term
When orienting a map, what is an imaginary line from any surface position to the North Pole?
Definition
True North
Term
When orienting a map, the direction of the north magnetic pole indicated by the north-seeking needle of a magnetic instrument is the
Definition
Magnetic north
Term
When orienting a map, true north is symbolized by
Definition
a star
Term
When using a compass for navigation, a pace count takes you approximately how many paces to reach 100 meters?
Definition
50-80
Term
When navigating with a compass, the triangulation of an unknown point from at least two or three known points on a map is called a/an
Definition
intersection
Term
When using a compass to navigate, you can locate your unknown point by sighting on two or three known features using
Definition
resection
Term
At 1,000 meters each degree of deliberate offset moves you how many meters to the left or right of the objective?
Definition
18
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