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How superior our Coordinate Scale and Protractor is to the standard issue version. I get a lot of comments from both active duty and retired military folks about Here is a short piece on why I prefer to use a Slot Style tool Corner Ruler or Roamer Style Product List Adventure Racing Corner Rulers Reading the easting and northing values at the western and southern grid lines. † This scale can be used by multiplying or dividing one of the scales printed on the tool by 10.Ī traditional roamer tool that is used by sliding the tool within the grid and Pocket Sized UTM Slots for My Topo Air Photos Trails Illustrated Maps UTM Slots for 1:40,680 Large Print, Compass Rose in 90 Degree Quadrants Round Military Coordinate Scale and Protractor Improved Military Style UTM/MGRS Coordinate Scale Risk Estimate Distances for Common Mortar Rounds Pocket Sized UTM Slot Tool - 90 Degree QuadrantsĬompass rose marked in 90 degree quadrants.Ĭoordinate Scale and Protractor - GTA 5-2-12 Slot Style Product List 1:24,000 Pocket Sized Slot Tool The northing is read through the vertical slot, with values increasing as you move to the north. In this aspect, it is similar to a corner roamer. Reading the easting value at the west edge of the grid. The tool is used by sliding it across the east-west direction of the grid and
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What's not to like.Ĭonceptually they are harder to understand and I often get the question, "Why is the east-west ruler numbered backwards?" And quick to verify that it fits in the grid. Access to mark on the map.Įasy to keep parallel to the grid lines. The Slot Style is my personal favorite tool style. Philmont Scout Ranch, McKenzie Boundary Waters maps and Halfmile's PCT maps
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Grid Style Product List 1:24,000 Scale Pocket Size UTM Grid The two disadvantages of this style tool are the inability to place a mark on the map without first moving the tool.Īnd the difficulty of determining a location with more precision that a tenth of the map grid spacing. Partial grids at the edges of the map are no problem, just place the tool as if the entire grid was present.
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These smaller grids are numbered 0 to 9 from east to west and from north to south.Ī point that falls inside a smaller grid gets the easting and northing values of the smaller gridĪdded on the easting and northing of the map grid. The tools fit within the grid lines, and visually divides it into a 10 by 10 grid. This makes them a great tools for beginners. Grid style tools are quick and easy to use and understand. Learn more about Choosing a Coordinate System Not sure if UTM Coordinates are the right choice. Learn more about UTM, MGRS, and USNG Coordinates If you have a specific requirement for an acrylic artillery protractor then please contact our Sales Team on +44(0)1845 522184 to discuss your enquiry further or click here to request a quotation.Tools for UTM, MGRS, and USNG Coordinates Grid Style Tools The brass fittings were produced in house using GSM’s comprehensive inhouse engineering capability and the part assembled and supplied complete with protective coating.ĭue to GSM’s digital printing and laser cutting capability we were able to produce finished pre-production samples of the military protractor for approval without commitment to tooling costs which were subsequently approved and production orders placed. GSM is able to produce this type of protractor by digitally printing the two colour scale on both sides of 3mm clear extruded acrylic which is then laser cut to profile, providing clean cut polished edges. This particular artillery protractor was also fitted with a Pivoting 3mm Extruded Acrylic Arm complete with Brass fitments. The sample was identified as a British Military issue One Arm Scale with a 3mm Extruded Acrylic body, 20,000 Mils Graduation Unit, 0 to 1300 Mils both sides scale. This particular protractor hadn’t been sourced for over 10 years and no drawings or artworks were available, however we were given a sample to work from. We were tasked with a difficult challenge… GSM was identified by a client as an Official MOD Approved Manufacturer of Military Protractors.