![]() This military triangle scale protractor is a great addition to any military or Bug Out Bag. You can tie a piece of paracord or other string in the center hole to use for accurate measurements with the mil, degree, or back azimuth scales. ![]() The triangular cut-outs on the military-style coordinate protractor are designed to be used with either a 1:25,000, 1:50,000, 1:100,000, or 1:250,000 scaled map. Measuring 5” X 5”, the Army map protractor can be used with a variety of metric-based coordinate systems, including MGRS, UTM, and USNG. Rothco’s Coordinate Scale Protractor will accurately show your coordinates and endpoint when used with a scaled map. This coordinate value describes the southwest corner of the 10- meter square in which you’re target is located.In the event of an emergency or while you are in the field, you need to know where you are and where you need to go. Then, read the values indicated on the plotter, in this case 89300478. You slide it along that line until the plotter’s vertical axis lines up with the X. Using your plotter to locate your target within a 10-meter square, you line up the plotter’s horizontal axis with the 04 northing line. Your target is therefore located in the 1,000-meter square identified as 8904. The closest northing line to the south of your target is 04. The closest easting line to the west of your target’s location is 89. Once again, start at the bottom left of the map, and READ RIGHT UP. Reading the plotter, your coordinates are 88240450 Plot Map Coordinates - Plotting Point B To do so, place the horizontal axis of the 1:25,000-scale plotter on the 04 northing line, as shown, moving it until the vertical axis lines up with the targeted X. So, now you’ve located your target within a one kilometer square, now use the plotter to locate it within a 10-meter square. The intersection of these two lines (8804) puts you at the southwest corner of the 1,000 meter square containing your target location. Next, go up that easting line until you come to the closest northing line to the south of your target location, in this case 04. Remember, the coordinate itself does not pinpoint the target, but simply describes the southwest corner of the 10-meter square in which the target lies. ![]() In this case, our plotted coordinates will locate our targets within a 10-meter square. ![]() We’ll plot three targeted points: A, B, and C. Once you understand the UTM and MGRS grid systems, and know how to use one plotter, you can pretty easily figure out how to use most other plotters. There are civilian plotters available in other scales, such as 1:24,000. In these examples, we’ll be using a “blank map” with a 1:25,000 grid. This tool is designed to work with the military’s 1:25,000-scale maps, as well as the 1:50,000 and 1:100,000 maps. There are numerous signs and symbols used in the Armed Forces, and it can be tough keeping them all. Green protractor ruler isolated on white Green protractor ruler isolated on white background protractor stock pictures, royalty-free photos & images Green protractor ruler isolated on white Round measuring circles. ![]() This device is 5.5' x 7', so it will not take up a lot of space with the rest of your gear. Let's see now how to plot map coordinates using a military protractor. For a handy guide to what certain symbols in the United States military mean, look no further than the RM Products Army Symbols Protractor. Announcement: My online Land Navigation course includes four hours of video instruction, and two downloadable PDF books, all for about the same price as a typical paperback book. ![]()
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