how to orient a map using a lensatic compass

","acceptedAnswer":{"@type":"Answer","text":"A: To rotate a map in Beat Saber, you can hit the trigger button on your controller. Remember how we spoke about declination in Part 1? 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. 3. True north is represented by a star. Contours are king. My 159-page, fully illustrated book is yours for the asking. In this guide, we will be covering the following: The first step to successful navigation with a map and compass in the backcountry is correctly orienting your map. Position the eyepiece at a 45-degree angle to the . Compass adjusted for declination. Let's have a look at the sources that constantly give favorable points. Note: This procedure places the fixed black index line of the compass parallel to north-south grid lines of the map. What are 2 ways to orient a map? On your map, shoot the back bearing that you just took with your compass from the top of Saddle Mountain. Some of the best land navigators around are orienteers--those who participate in the cross-country running/map reading sport of orienteering. c. There are two methods of holding the lensatic compass and sighting. 2. 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. There are so many different kinds of compasses, it can be hard to keep up. You will receive a verification email shortly. Everything on your map will be reversed if youre looking south and holding the map right side up. The lanyard hole that can be used by the orienteering compass user can limit access to the compass if not enough space is available to move the compass across your map. 4. He did this for ten days, taking us across numerous waterways and lakes. Most lensatic compasses are designed to withstand moisture to a certain extent, but nobody makes them perfect. Timetoprepare.net. 1. Open the compass: Let the cover and the base form a 90-degree angle. 4. ? You can also use this website to get up to date declinations. You cant see the end point in your terrain, so you cant shoot a bearing on it. The floating dial is used to determine the direction in which you are pointing your compass. Oncein pre-GPS dayswhile on a canoe trip through the chain of lakes in Canadas Quetico Provincial park, our professional guide expertly got us through about 100 miles of wilderness, without ever using a compass. 3. Spatial awareness refers to having knowledge about where everything in the environment is located relative as well as understanding how objects relate with each other spatially. Start with contour features, such as what the ground is doing in front of you and around you, what happens to the terrain in the middle distance and then whats going on in terms of distant mountain peaks, ridges, hills and escarpments. They both use magnetization to help you find where you are and where youre going, but theres a catch. Look directly down on the top (smaller card) of compass to view general orientation cardinal points. Take a compass bearing on the peak to your southwest. Get your own customized topographical maps, built according to your specifications. Flip up the lid to a 90-degree angle. . These other objects can interfere with compasses, and no matter how miniscule the differences may seem, it can leave an impact. 4. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); What is a Lensatic Compass and How to Use Them? First things first. 1 color. Visit our corporate site (opens in new tab). We know were someplace south of Saddle Mountain on HW 115. NB. Oriented the map. (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). But it isnt just magnets there are other culprits at play, here. To find directions from your map, you're going to need a protractor, a special instrument used for measuring angles. Holding the compass up to your face, angle the rear sight so that you can read the compass dial clearly through the lens while peering through the sighting slot and lining your distant target (the water tower, in this case) up with the sighting wire. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. Steady the compass by allowing the hand holding the compass to rest in the cupped palm of your other hand. If youre in the Adirondacks, youll want to add 14 so your true bearing would be 194. My magnetic declination is 4E, so Ill be moving the black arrow outline towards the red hash marks that are going towards E DECL.. 3. True north is at the very top of the earth, while magnetic north is currently off the coast of Greenland. At this point, your map is almost oriented. Now, hold the compass level and squarely in front of you. Next, ensure youre happy with your judgment by matching other physical features in the landscape to the map, such as crags, glaciers, waterfalls, lakes and rivers. At the summit of Saddle Mountain, take a bearing using your compass. For this example, were going to go to the Wichita Mountains Wildlife Refuge in Oklahoma. If your local declination is east of the agonic line, youll need to add the declination to the bearing on your compass; if your local declination is west of the agonic line, youll subtract the declination from the bearing on your compass. Keep doing this until you get to where you want to go. A map, by definition, is a small-scale representation of the real world or a section thereof. Lets go back to our Muir Woods example. 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. If we didnt adjust for declination and were getting bearings for our destination from our map, well find ourselves off by 14 or more when we start walking. How to Use a Compass to Get Your Bearings. You can look through a small window of the top (thats the lens), and navigate smoothly from there. You cant shoot a bearing on the end point in your terrain since you cant see it. Note that we will be moving and adjusting the compass on the map. PART 1 Basic Land Navigation USING THE MILITARY LENSATIC COMPASS Module 6 Map Information. 5. Turn your map so that north on the map, points in the same direction as the needle. The cover is used to protect the compass and alsoincorporates thesighting wirewhich helps you determine direction. When you have a line position, you know that youre on some identifiable line on the map (trail, ridge line, etc. Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. You will not be using it for the center-hold technique. Huzzah! Next, without changing the orientation of you map, move your compass so that its edge is touching the point you are plotting to/from and the compass dial reading matches your bearing. Say your azimuth was 170 degrees. Thats your bearing from point A to point B. to orient the map to find your position. You want to go cross country directly to Devil's Wash Basin, a deep and beautiful lake you've heard a lot about. How To Get Your Map and Compass To Face the Same Direction. You now have your target's bearing. Next, turn the compass housing so that the index pointer corresponds to the number of degrees of the magnetic declination. navigation and combat. Method #2. Take your compass and turn the compass housing (bezel) until the red orientating arrow is in line with the direction of travel arrow. If the contour interval is 10 meters, then what is the change in elevation of each intermediate contour . Place the thumb of the other hand between the rear sight and the bezel ring; extend the index finger along the remaining side of the compass, and the remaining fingers around the fingers of the other hand. In addition to 360 degrees to measure directions in a circle, the military also uses 6,400 mils. My 159-page, fully illustrated book is yours for the asking. The compass baseplates edge is now pointed in the direction of the visible landmark you used to get your bearing. This straightforward video shows both approaches to using a compass to orientate a map: All the latest inspiration, tips and guides to help you plan your next Advnture! The instructions on this page might make orienting a map seem a highly technical thing. Through his hiking, mountaineering, climbing and trail running adventures, Alex aims to inspire others to get outdoors. Tilt it forwards until you can see your sighting arrow. 2. The United States military needs to know how to navigate on land when all digital systems fail. Looking at the map is an easy way of finding which direction north or east are relative to your current position. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. Well, that is, unless you're doing something silly like holding the compass backwards. For this, they use a lensatic compass, among other navigation equipment and techniques. What if youre not on a route and just have a broad idea of where you are? This is why you should never take a bearing off a sheep. To make sure you receive a correct bearing, youll have to perform some arithmetic with all of your bearings. $8.77. Orient the map to the terrain. Next month, well wrap off our series with a final briefing on how to navigate using MGRS coordinates, exactly like the military. So, if youre at Muir Woods and your compass reads 180 degrees, subtract 14 degrees. Its a bit tricky, but once you get the hang of it, youre solid. 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. What if you dont have access to a compass that can compensate for declination? Now its time to use the lens. Determine the correct magnetic azimuth to the designated point within 3 degrees using the compass-to-cheek method, or within 10 degrees using the center-hold method. 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. New York, Below, we offer a short, straight-talking guide to how its done. Line it up with that. A: In order to orient and read a map, you have to have spatial awareness. It is easy to learn and it can be done with just a map and compass. Get my Land Navigation coursehere. Your map (and yourself) are now be orientated north. A lensatic compass is often referred to as a military compass, and is typically used by the U.S. Military. Put the compass anywhere on top of the map. Position of the point. There are two ways of doing this. You get the picture. Battle tested - shock, water, sand proof, and. Where the second line intersects with the first is where youre at on the map, more or less. When you point your compass towards true north, your compass needle is going to point a little to the west. For this task, the lensatic compass really shines. 2. Adjustable Declination Compasses. "}},{"@type":"Question","name":"How do you do map orientation? It would be 204 (24+180) in this situation. You should notice that the direction of travel arrow should be pointing at the top of the map, and the black orienteering lines should also be parallel to the north-south gridlines on the map. What happens if you dont adjust your compass for declination? The method is to align the edge of the compass along the Magnetic North (MN) line, and then move the map and compass together until the compass needle points north. 1. At least, I never saw him with one. If everything is matching up, youre onto a winner. Step 3 Use one of two techniques to orientate the map. A visualization depicting the Soldier's Manual of Common Tasks (STP 21-1-SMCT) task Orient a Map Using a Lensatic Compass (071-COM-1011). Orient a map using a lensatic compass If your local declination is east of the agonic line, youll need to add the declination to your compass bearing; if its west of the agonic line, youll need to remove the declination from your compass bearing. 5. When your compass cant adjust for declination, you may make your own declination arrow out of masking tape and attach it below your compass under the right declination degree hash (This will only work if your compass has a clear base). Reserve! Another trick for declination when your compass cant adjust for it is to create your own declination arrow out of masking tape and tape it beneath your compass under the correct declination degree hash (This will only work if your compass has a clear base). For bearings of one to 179 degrees, rotate the bezel counter-clockwise. Alex is a qualified Mountain Leader, adventure writer and content creator with an insatiable passion for the mountains. What happens if you dont compensate for declination with your compass? A: You can use the arrow keys, or you can hold down shift and move in any direction to rotate a map around its axis. Go to your map. Well, youre going to have to do some math with all your bearings to make sure you get a true bearing. The variation between magnetic north and true north is currently so minor that this can generally be ignored. When you face true north, magnetic north is going to be left, or west, of you by about 14. 5. From point A to point B, thats your bearing. UK readers, youre in luck. 2. Now, read the degree marking under the fixed black index line. The legend. 2. PARTS OF THE LENSATIC COMPASS Compass, Lensatic, US Army, closeup: 2 (From another source) 1. The two basic techniques for using the lensatic compass . See that little black outline of an arrow? Lets say youre out hiking. Set your compass dial to 000 degrees. From the compass, to GPS, to now even your mobile devicetheres no shortage of navigational tools. So there you have it. Imagine that you want to hold it as if it were firmly mounted in that position. Doing this quick visual sense check by examining the surrounding terrain is to triple-check that your readings arent out by 180 degrees and to make sure the map is always aligned with your compasss north-pointing (and usually red) magnetic arrow i.e. Doing that with a lensatic compass is much like doing that with any other compass. The narration and imagery may seem old-timey in this era of high-def computer graphics . Your map is now aligned to magnetic north. Thank you for signing up to Advnture. Step 2. Most compasses are marked with the four cardinal. 2. Navigation has taken on many forms over the years. This way you can see the object and the bezel at the same time. Make sure the degrees of the dial are readable. Kieran James Cunningham is a climber, mountaineer, and author who divides his time between the Italian Alps, the US, and his native Scotland. Now hold the compass on the map and rotate yourself and the map/compass together until the orienting arrow and the compass needle are aligned to magnetic north. Use a Compass to Plot Bearings on a Map. Though GPS and smartphonesare reliable, its still vital to carry a compass, and know how to use it, as a backup or lifesaving form of navigation. We just dont know where exactly. 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. 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. Your cheek should be resting on the base of your thumb. Turn the map and compass together until the red needle is pointing north. If your map already has a line to show magnetic declination, you can take your compass and line its edges up along this. a. The bezel clicks as it moves--three degrees for every click. 3. Hold your compass in the two-hand hold, steady and level in front of you. Lets return to Muir Woods as an example. (2) Keep the compass aligned as directed above while . Where can these symbols be found. So its declination would be 14W. 3. ENROLL NOW. Youll notice the north/south symbol on a corner of your map with a straight 90 line going up. Influences can be the factors of how the people life runs. Most people have never heard of them, but soon enough, youre going to be a master at using them. Huzzah! Place the fully opened lensatic compass on the map with In Part I, we covered how to properly use a compass, how to shootyour bearings, and the best map for navigating: the topo map. Line your orienteering compasss base plate up with the maps north-south lines. Draw a line on the map at 130 degrees from Saddle Mountain. My 159-page, fully illustrated book is yours for the asking. But not to you, I trust. This visualization has been approved for public release.Storyboard developed from the STP 21-1 Soldier's Manual of Common Tasks Warrior Skills Level 1, September 2017Approved by the Center for Initial Military Training (CIMT) G-3/5/7, Initial Entry Training, Fort Eustis Virginia. If the magnetic declinationin your area were zero, you'd proceed in the direction of 062 degrees. Hold compass up to eye level and view larger side card for "direction-of-travel" compass. Magnetic north would be slightly to your right, or east, by about 14.

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how to orient a map using a lensatic compass

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