{"product_id":"military-round-protractor-28006","title":"Military Round Protractor","description":"\u003ch2\u003eMilitary Navigation When GPS Fails\u003c\/h2\u003e\u003cp\u003eThe RM Military Round Protractor serves as your primary backup navigation tool when electronic systems fail in the field. This protractor includes printed conversion formulas and alignment diagrams to match map grid north with compass magnetic north, ensuring accurate coordinate readings when GPS is compromised by weather, terrain, or electronic interference.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrid-to-Magnetic Conversion Formula:\u003c\/strong\u003e Printed formula and diagram eliminate coordinate errors caused by magnetic declination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Scale Compatibility:\u003c\/strong\u003e Works with 1:25,000, 1:50,000, and 1:100,000 scale military maps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound Design:\u003c\/strong\u003e Allows 360-degree bearing measurements and triangulation plotting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Proven Backup:\u003c\/strong\u003e Functions in conditions where GPS fails including storms, dense canopy, and electronic interference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Map Scales\u003c\/td\u003e\n\u003ctd\u003e1:25,000 \/ 1:50,000 \/ 1:100,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Item Number\u003c\/td\u003e\n\u003ctd\u003e443-061-143\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e28006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhy do I need the conversion formula printed on the protractor?\u003c\/h3\u003e\u003cp\u003eWithout magnetic declination correction, your grid coordinates will be off by several degrees. The printed formula lets you align map grid north with your compass magnetic north for accurate positioning.\u003c\/p\u003e\u003ch3\u003eWhat map scales does this protractor work with?\u003c\/h3\u003e\u003cp\u003eThis protractor is calibrated for 1:25,000, 1:50,000, and 1:100,000 scale maps, covering the most common military topographic map formats.\u003c\/p\u003e\u003ch3\u003eWhen would I use this instead of GPS?\u003c\/h3\u003e\u003cp\u003eGPS fails in sandstorms, heavy weather, dense forest canopy, inside structures, and during electronic interference. This protractor works in all those conditions when paired with a compass and map.\u003c\/p\u003e\u003ch3\u003eHow do I use the grid-to-magnetic conversion feature?\u003c\/h3\u003e\u003cp\u003eThe printed diagram shows you how to align the protractor with your map grid lines, then apply the magnetic declination correction using your compass bearing.\u003c\/p\u003e","brand":"RM Products","offers":[{"title":"Default Title","offer_id":43773887512675,"sku":"28006","price":4.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7546\/5827\/files\/28006.jpg?v=1760239469","url":"https:\/\/tacticaledge.com\/products\/military-round-protractor-28006","provider":"tacticaledge.com","version":"1.0","type":"link"}