To plot a backbearing from the church, turn the protractor to the left with the centre point over the church. What is the Grid Bearing from the Trig Point to the Church? The outer scale is used when plotting bearings East and inner scale for bearings West. Where the line crosses the outer scale it indicates the Grid Bearing from your position (trig point) to your target (church with tower). Then draw a line or use a plumb line to draw a line from your location (trig point) to your target (church with tower). All vertical and horizontal lines should be aligned with those on the map, overlay the centre point over your location on the map (trig point). This is the issued protractor, the metres scale romers are on the left side, these are the romers that you should use.Įnsure the map is on a flat surface, align the base line with the vertical lines on the map, the 0 should be in line with Grid North. Place the protractor over the map and align the northings and eastings with the zero lines and romer grids.Use a line of fine cord from the centre point when plotting bearings, a plumb line.Tape up the yard scale romer to avoid mistakes.Always check the scale of the map and scale of the romer when plotting grids. The protractor should always be used when plotting grids and bearings.To begin your enquiry, fill in the order form above, email or call us on 01845 522 184.The British Military only use mils in navigation. However large or small your need, trust us at GSM to provide a bespoke, robust, MOD-official solution. We utilise our comprehensive range of leading processes when producing all of our labels, such as polyester labels, metal name plates, and QR code labels. Contact Us Today To Begin Your EnquiryĪs one of the UK leading label manufacturers we pride ourselves on our leading levels of quality and customer service. This displacement calculator is a 1.5mm hard coated clear PVC disc, assembled to multi printed HP polycarbonate. Displacement Calculator – NSN 4V6 1290-9 (OS2443GA) It features a 20,000 Mils Graduation Unit, 0 to 1300 Mils both-sides scale with brass fitments and a pivoting 3mm extruded acrylic arm. This is a standard issue British military one arm 3mm extruded acrylic protractor with a semi-circular body. It is produced using 2mm hard-coated clear 45 resist acrylic, printed in black, including fitments and 2mm hard coated acrylic 1:50,000 range arm, and comes in an olive green canvas case. This is a standard issue British military GPS circular protractor. GPS Cased Protractor & 1:50,000 Range Arm – NSN 4V6 1290-9 Each is supplied with countersunk holes, string and a removable blue protective overlay. They are produced using 1.5mm extruded acrylic printed in black and red, with a protective hard-coating. These are standard issue British military Royal Artillery (RA) semi-circular 6” & 9” protractors. Our range includes: 6” RA Mils Artillery Protractor – NSN 4V6 1290-9 & 9” RA Mils Protractor – NSN 4V6 1290-9 To make the process viable for small production runs as well as the higher volume requirements, these products can also be digitally printed in multi colours and laser cut to profile. It’s our uncompromising aim to provide the most durable, practical products to suit your needs - meeting the stringent demands placed upon them.Īs required by the MOD, all of our military map reading protractors can be supplied with official QR barcode labels. With over 45 years’ experience, we’re amongst the leaders when it comes to manufacturing and supplying approved military map protractors, scales and gauges. Description Trust Our Unrivalled Expertise & Experience In Producing Military Products
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