It has rounded corners which keep it from wearing holes in your pockets. It's 33% thicker than the standard military issue version, so it's less likely to be bent or broken when you need it. This makes it about the thickness and stiffness of a credit card. The tool is printed on 30 mil plastic with a protective coating. Plus the overall dimensions have been reduced so that it is the size of a music CD, easily fitting into a pocket or any slot where you could store a CD. The 1:100,000 scale now spans 5km grid lines, making it much more usable. The tool features several additional map scales, including 1:24,000, which is the most common topographical map scale found within the United States, including the 7.5 minute USGS maps. By using a slot on one side of the tool for access to the map, the tool can be more compact than the traditional GTA tool. This tool is an improved version of the Graphic Training Aid 5-2-12 Coordinate Scale and Protractor. This coordinate value describes the southwest corner of the 10- meter square in which you’re target is located.Survival Resources > Navigation > Military Style MGRS/UTM Grid Reader & Protractor (New Style) 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. Ironheart Military Protractor Accurately Cut for Land Navigation. The closest easting line to the west of your target’s location is 89. GOTICAL New and Improved Version Military Style MGRS/UTM Coordinate Grid Reader, and Protractor,Coordinate Scale Map Reading and Land Navigation Topographical Map Scale. 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. Let's see now how to plot map coordinates using a military 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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