You then see where the line you drew intersects with the protractor's numbers, in this case 062 degrees. Open the cover completely and pull back the rear sight. Come to think of it, I dont even know if he had a compass. North is always at the topof any map. Sight: Now peek through the rear sight slot, aligning the sighting wire or the front sight to the desired direction or object. It is easy to learn and it can be done with just a map and compass. 3. Check to see if the north directional arrow is inline with the arrow/line of the compass. Adjust for magnetic declination. Hold the compass steady and level, and up to your face. Sounds like a lot more than a regular compass, doesnt it? In such orientation we use a lensatic scale. With the thumb loop all the way down under the compass, put the thumb of one hand all the way inside the loop, and place the index finger of that same hand along one side of the compass. Well, that is, unless you're doing something silly like holding the compass backwards. How to Use a Compass to Get Your Bearings. Rotate the compass dial until north on the compass ring lines up with north on the map. Turn your declination-adjusted compass dial so due North is at the index pointer. Or maybe using the sun to help put your map somewhat the right way around. When orienting a map, our aim is to position it so that the north-south grid lines on the map (eastings) are aligned north-south. They both use magnetization to help you find where you are and where youre going, but theres a catch. Now, rotate the map and compass baseplatetogetheruntil the compass needle is boxed in the red orienting arrow (or direction-of-travel lines) on the compass. The instructions on this page might make orienting a map seem a highly technical thing. Area Position. You will receive a verification email shortly. FM 3-25.26: Map Reading and Land Navigation. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. On the other hand, wrap the fingers around the three fingers below the compass. 3. Kieran has taught mountaineering, ice climbing, and single-pitch and multi-pitch rock climbing in a variety of contexts over the years and has led trekking and mountaineering expeditions in the Alps, Rockies, and UK. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. The plotted line cuts through Mt. Module 11 Plotting Position Coordinates exact positioning, used to communicate to others with a Learn Land Navigation Now. Step 3: Find a path that leads to the horizon. Open the compass all the way so that the cover locks into position against the base, forming a straightedge along the left side. Timetoprepare.net. Hold the compass steady and level, and up to your face. Map and compass skills are essential when navigating the great outdoors, Abrupt topography, like mountain peaks, should be easy to identify thanks to their contours on the map, Magnetic declination guidance on a standard topographical map, Having adjusted the compass housing to correspond with magnetic north, line your compass up with the map's gridlines, Red is in the shed: the compass needle is lined up with the orientating arrow, Ski towns are full: why we cant all just move to the mountains, Berghaus MTN Guide MW Hoody review: a performance mid-layer for the mountains, Rangers warn National Park graffiti could throw hikers off the trail. In actual practice, orienting your map is something you'll often do "on the run" and can be as simple as glancing at your compass needle and turning the map more or less accordingly. PART 1 Basic Land Navigation USING THE MILITARY LENSATIC COMPASS Module 6 Map Information. A lensatic compass features a small pop-out area for your thumb, and a lid on top of the main compass body. 1. Experience is the best way to learn and wed highly recommend booking a navigation course to really hone your skills. Thank you for signing up to Advnture. This was developed for the Center for Initial Military Training, FT Eustis, Va. Use the lens to look through the sighting line to find another landmark, and repeat until you reach your destination. Let's say you see a water tower off in the distance. Your compass is now set. My 159-page, fully illustrated book is yours for the asking. It will be clearer why we need to compensate for declination in the first place. Take that bearing and plot it on the map using the technique explained above. For this task, the lensatic compass really shines. Hed just line his map up with the features of the lake we were currently on to find our portage to the next lake. A lensatic compass is just one of the many navigational tools we have built. When moisture seeps into the lens case of your lensatic compass, it causes major problems. The fact that they glow in the dark (especially, if they're the tritium kind which will glow for years without having to be exposed to light) means you can use your compass without a light for night navigation. Large Ball Compass - Easy to read ball compass shows two readings. Hey, it happens! Position in the area. With the thumb loop all the way down under the compass, put the thumb of one hand all the way inside the loop, and place the index finger of that same hand along one side of the compass. Take your compass and line up the edges with the north-south gridlines on your map. That can make a huge difference! Step 2 Lay the map in a horizontal position. We know were someplace south of Saddle Mountain on HW 115. 1. ENROLL NOW. If the local declination is positive, subtract the declination amount from the bearing you just derived. You dont have your point position. Place the compass on the map with one long edge of the baseplate running between the two points of interest. How to Determine the Bearingof a Distant Object. The first step in orienting ourselves with our map and compass is to double-check that north on the map corresponds to north in our landscape. 2. To obtain a heading from our map, we may use our compass as a protractor. Determining a Bearing, or "Shooting an Azimuth", Using Your Compass Sights to "Shoot an Azimuth". Welcome back to the Art of ManlinessLand Navigation Manual. Whether or not you participate in orienteering, I'm confident you'll find that a properly oriented map is a huge help in finding your way. Youre somewhere on that line, so you know have a line position. Put that hand up to the compass, steadying the compass by placing your index finger along the compass's side, and wrapping your thumb between the bezel ring and the rear sight. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. 1. If the contour interval is 10 meters, then what is the change in elevation of each intermediate contour . Flip up the small magnifying glass. Align the map so that the top of the map is parallel with the direction north based on the compass. 5. Well, we can use our compass as a protractor to take a bearing from our map. 2 a. Orient the map using the first technique. Procedures. Line up the meridian lines (the parallel lines inside the bezel) with a north/south grid line on the map. 2. When we dont have our point position, we have to use less exact forms of orientation based on line or area position to find it: Line Position. 2. The map is now oriented to the terrain. When you do know exactly where you are in relation to your map, you have your point position.. Some of the best land navigators around are orienteers--those who participate in the cross-country running/map reading sport of orienteering. As long as youre lined up with your direction of travel arrow (keeping that north arrow visible for reference), you need to look through the sighting line and pick a landmark ahead of you. slide 1 to 3 of 3. ), Set Your Compass for Your Intended Azimuth. The United States military needs to know how to navigate on land when all digital systems fail. This involves trying to orient a map using only topographical features and your own eyesight. When you point your compass towards true north, the needle will point a bit to the west. Click heretolearn about the three different types of compasses. Set your compass dial to 000 degrees. Well say the declination value is 10 degrees. So, don't sweat too much the minute details of getting your map finely oriented to the last degree with your compass. Weve compiled a detailed guide on how to adjust for magnetic declination, but at its most basic level it goes like this: Your map should state what the magnetic declination is in degrees for the region you are in. All you have to do is shoot a bearing towards the unidentified peak. Lensatic compasses aremade upof three parts: cover, base, and reading lens. Visit our corporate site (opens in new tab). Program, Strengthen Your Tribe: A Report on the Atomic Athlete Vanguard, The Best Riddles for Kids (With Answers! Basically, the compass needle will point someplace east of true north in locations west of the agonic line, whereas it will point somewhere west of true north in areas east of the agonic line. Note: This procedure places the fixed black index line of the compass parallel to north-south grid lines of the map. When you face true north, magnetic north is roughly 14 degrees to the left, or west, of you. Timetoprepare.net is a participant in the Amazon Services LLC Associates Program and Other Programs, an affiliate advertising programs designed to provide a means for sites to earn advertising fees by advertising and linking to the Partners. Make sure the direction of travel arrow is pointing to the spot that youre trying to get to. Oriented the map. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. NB. Orienting the Map with aLensatic Compass. This latter option is a cheat since grid lines have their own declination value. Rotate the compass until the north on the bezel points to the top of the map and the compass housing orienting lines are parallel to the maps vertical grid lines, using your position as a pivot. You should be able to turn the map so that if you were to imagine jumping into it, the features would lie in the same direction both on the map and in your surroundings. Sometimes we may use GPS technology or navigational apps to find our way, but we will always have the option of a map and compass stashed safely in our hiking backpack. How to use the Lunatic Compass Map Orientation by compass Magnetic Azimuth A magnetic azimuth of any object is the compass reading of a direct line across the center of the compass to the object. orient a map to the ground by map-terrain association, Sunday Firesides: Become an Evangelist . One advantage is it's probably more accurate when it comes to "shooting azimuths," meaning the act of determining the specific compass direction to a spot on the earth. Were going to figure out where we are on that line now. Ymiko Compass Survival,Compass For Kids,Compass Hiking Durable Shockproof Waterproof Brass Camping Tools For Navigation Outdoor. But lets say youre in the Muir Woods near San Francisco and youre facing true north. In addition to 360 degrees to measure directions in a circle, the military also uses 6,400 mils. Make an "L" shape with the index finger and thumb of your other hand. 3. Basically, in areas west of the agonic line, the compass needle will point somewhere to the east of true north; in areas east of the agonic line, the compass needle will point somewhere west of true north. Its 230 degrees in reference to your position, as you can see. Look at the index line and read the number. The big idea normally is to have your map more or less line up with the terrain so you can make sense of where things are around you. US $10.58 orient yourself to a map and follow a course over land The lensatic compass is used to set course bearings Instructions for Lensatic compass Open the lensatic compass so that the cover is at a 90 degree angle and the lens bracket is at a 30 degree angle to the case Lensatic Compass. Its not unheard of for hikers to accidentally read their map upside down and end up facing south, rather than north. This is also known as triangulation. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API. Casio's latest G-Shock watch could be a serious Garmin rival. Where can these symbols be found. The term lensatic comes from the fact that there is a lens on the rear side of the compass that aids in the orienteering process. What is the preferred method of using a lensatic compass when reading magnetic azimuths. Place your map in such a way that the terrain features line up with your maps features. pointsnorth, east, south, and westbut some are marked additionally with the. Because my magnetic declination is 4E, Ill move the black arrow outline to the red hash marks next to E DECL.. Finally, before setting off, be sure to do a quick check by looking around you to see that all features represented on your map are where they should be in the terrain. In my. The North-seeking arrow of the compass must fall within 3 degrees (50 mils) of the angle shown in the grid-magnetic (G-M) angle on the map's declination diagram. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. Before we can start actually navigating, which well get to in Part IIIof this series, we still need to learnwhere we are in relation to our maphow to orient ourselves. Find out more atwww.alexfoxfield.com (opens in new tab). Whether or not you participate in orienteering, I'm confident you'll find that a properly oriented map is a huge help in finding your way. With that bearing, we can use our compass to start traveling in the direction we need to go in order to get to our endpoint. Plus, as a web site visitor, you get a 50% discount off the regular price, meaning you get the whole course for $10. The number one destroyer of compasses and any enclosed items like these is moisture. Get your own customized topographical maps, built according to your specifications. If you want to learn Land Navigation in detail, either buy a book; or get someone, who has the knowledge and skills, to teach you in person. Overview. Use your thumb to pull the thumb ring back about halfway. Conversely, the black end of the compass needle should be pointing south. Plot a line on the map using the mountains rear bearing. Flip up the lid to a 90-degree angle. Travel to that landmark. We need to compensate for the compass now that weve placed it on the map so that we can appropriately orient and travel.
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