![]() The 1:25,000 scale subdivides the 1,000-meter grid block into 10 major subdivisions, each equal to 100 meters. ![]() GTA 5-2-12, 1981, contains four types of coordinate Coordinate scales. When used correctly, it presents less chance for making errors. The grid coordinate scale divides the grid square more accurately than can be done by estimation, and the results are more consistent. The primary tool for plotting grid coordinates is the grid coordinate scale. The principal digits, 89, identify the line for referencing points in the easterly direction (3) Grid Coordinate Scales. Therefore, the first grid line east of the south-west corner is labeled 689000m E. The last three digits, 000, of the value are omitted. The smaller digits, 35, are part of the false coordinates and are rarely used. The principal digits, 70, identify the line for referencing points in the northerly direction. This means its false northing (distance north of the equator) is 3,570,000 meters. Military Graphic Training Aid Coordinate Grid Reader & Protractor, GTA : The first grid line north of the south-west corner of the Columbus map is labeled 3570000m N. For example, a 1:100,000 x 10km tool can be used as a 1:10,000 x 1km tool by dividing the scale and grid distance by 10, and as a 1:1,000,000 x 100km tool by multiplying the scale and grid distance by 10. Specifications Scales: 1:25,000 x 1km 1:50,000 x 1km 1:100,000 x 1km 1:250,000 x 10km† † This scale can be used by multiplying or dividing one of the scales printed on the tool by 10. The map protractor is a great tool for anyone using topographic maps. Military NSN: 8534-4 MSRP: $16.99 NEW! UTM/MGRS Coordinate Scale And Protractor GTA 5-2-12 Brand new thin plastic. ![]() The inner protractor is marked in degrees and the outer protractor is in mils. The scale has three die cut triangles for access to mark the map being measured. NEW Military Style UTM/MGRS Coordinate Scale And Protractor GTA 5-2-12 (This Item will come in a Plain White Envelope Unless You Pay For First Shipping First Class With Tracking.) This tool is equivalent to the Graphic Training Aid 5-2-12 and Protractor used by United States and NATO military forces around the world. Item: 173307999898 Military Style UTM/MGRS Coordinate Scale And Protractor GTA 5-2-12 Rothco 1177.
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