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* GPS Example - each square is 5x5 m, each unit is 10m box
[[image:Map-coord-B.jpg|400px]]
==== Reading coordinates: "In the door and up the stairs" ====
From A-CR-CCP-121/PT-001, EO 405.03: LOCATE SPECIFIC POINT ON A MAP USING A FOUR AND SIX FIGURE GRID REFERENCE AND CONSTRUCTING A ROMER. Substitute 50m grid squares for our game use.
<blockquote>Military grid references use the two-digit grid line numbers to identify specific grid squares. For centuries, mathematicians have always stated the X coordinate (horizontal) before the Y coordinate (vertical), so map users have adopted that procedure. Eastings are stated before Northings. Every 1000m grid square is identified by listing the numbers of the grid lines that intersect at its bottom left corner.

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