Land NavigationDetermine Grid Coordinates

2

Terminal Learning Objective

Action: Determine the Grid Coordinates of a Point on a Military Map

Conditions: Given a standard 1:50,000 scale topographical map, Coordinate Scale and Protractor, pencil and paper

Standards:  Determine the grid coordinates of a point on a military map by exhibiting comprehension through hands-on demonstration and class participation

3

Military Grid System

• A network of squares formed by the north-south and east-west grid lines printed on a map.

• The purpose of the grid system is to enable the map reader to quickly and accurately locate a point on a map.

4

Grid Zone Designation

UP

RIGHT

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Military Grid System

North-south grid line

East-west grid line

1000 meter grid square

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4-Digit Grid Coordinate

118211824-digit

1000 meter coordinates

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GTA 5-2-12

Coordinate Scale

Zero-ZeroPoint

Vertical AxisHorizontal Axis

1:25,0001:250,000

1:100,000

1:50,000

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Coordinate Scale 1:50,000 Meters

9

6-Digit Grid Coordinate

6-digit 100 meter coordinates 116825

10

8-Digit Grid Coordinate

8-digit 10 meter coordinates 11628256

11

Terminal Learning Objective

Action: Determine the Grid Coordinates of a Point on a Military Map

Conditions: Given a standard 1:50,000 scale topographical map, Coordinate Scale and Protractor, pencil and paper

Standards:  Determine the grid coordinates of a point on a military map by exhibiting comprehension through hands-on demonstration and class participation