To make sure you receive a correct bearing, youll have to perform some arithmetic with all of your bearings. Now were going to find out where exactly we are on that line. 2. You will not be using it for the center-hold technique. From point A to point B, thats your bearing. 4. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. He climbs when he should be writing, writes when he should be sleeping, has fun always. 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. You see that the mountain is 24 in relation to you. Looking at the map is an easy way of finding which direction north or east are relative to your current position. What is the preferred method of using a lensatic compass when reading magnetic azimuths. 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! west is 270). Here's an example from an older map of the Grand Canyon. Enroll in my personalized step-by-step video-based online course. The Lensatic compass also has a large number of drawbacks, including the use of a large case that can make this a cumbersome and heavy option. SPECS dimensions:4.1" x 2.4" x 0.6" |10.4 x 6.2 Read More. Turn your entire body as a unit until 066 (062 + 004) degrees falls under your compass's fixed black index line. Lay your compass on the map and line up its edge with a known landmark. Some of the components' terms are used in the explanations below. 1. A map so lined up is easier to interpret and follow than a map spread out haphazardly. It will make it easier to understand why we adjust for declination in the first place. But heres the catch: depending on where you are on the planet, the angle of declination varies. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. When the actual lens gets damaged, it unnecessarily impairs simple operation. The map is now oriented to the terrain. 3. 4. What's that? Set your compass dial to 000 degrees. Doing that with a lensatic compass is much like doing that with any other compass. Hold the compass steady and level, and up to your face. What are 2 ways to orient a map? Use the illustration above to familiarize yourself with the components of a lensatic compass. We may then use our compass to begin going in the direction we need to go in order to reach our destination. As we can see, the area Im in has a declination of 4E. Using the side of your compass, draw a line towards the highway that youre on. Once you know that you're facing north, rotate the compass so that the luminous line is over the 170-degree mark. Place the compass on the map with one long edge of the baseplate running between the two points of interest. Fill & Sign Online, Print, Email, Fax, or Download Casio's latest G-Shock watch could be a serious Garmin rival. Lets go to the other side of the country. Next, turn the compass housing so that the index pointer corresponds to the number of degrees of the magnetic declination. In this video below,the user walks through the elements of a USGI lensatic compass, and how to properly use one. for Faith in Humanity, how to orient a map using a lensatic compass, orient a map using a lensatic compass powerpoint. 3. Remember, maps are drafted with north at the top. You can also use this website to get up to date declinations. Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. 2. Step 2 Lay the map in a horizontal position. Get my Land Navigation coursehere. Take your compass and line up the edges with the north-south gridlines on your map. Plot a line on the map using the mountains rear bearing. 4. What if youre not on a trail, but you just know the general area youre in? He is currently the President of the London Mountaineering Club, training to become a Winter Mountain Leader, looking to finally finish bagging all the Wainwright fells of the Lake District and hoping to scale more Alpine 4000ers when circumstances allow. That would be 130. "}},{"@type":"Question","name":"How do you orient a map to ground? 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). A map, by definition, is a small-scale representation of the real world or a section thereof. Now hold your compass horizontally and point the 'direction-of-travel-arrow' towards the landmark. Get your own customized topographical maps, built according to your specifications. If you point your compass towards true north, your compass needle is going to point a little to the east. Thats your bearing from point A to point B. 4. Leave your orientating arrow in line with the index line and the direction of travel arrow, as it will already be primed to point magnetic north. This makes it easier to relate what you see on the map with what you see on the ground. Align the map so that the top of the map is parallel with the direction north based on the compass. Lets say youre planning a short hike from one point to another. This is because technology is fallible, batteries run out, cold kills gadgets and theres always the possibility of dropping a device down a steep slope or into a rushing river. The instructions on this page might make orienting a map seem a highly technical thing. ? Remember, human features are the last port of call and, whats king again? More or less, where the second line meets the first is where you are on the map. 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. 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. Turn the map and compass together until the red needle is pointing north. 5. Throughout this procedure, were not utilizing it at all.). Holding any compass in a slack and half-a**ed (that's an old military term. Before we do that, lets take a closer look at declination. 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. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction. How to Pack a Backpack Are You Doing it Right? From the compass, to GPS, to now even your mobile devicetheres no shortage of navigational tools. You learn that it has a 176 bearing. Its 230 degrees in reference to your position, as you can see. Travel to that landmark. 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. 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. 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. Method #2. Youll want to stick to areas that are cool and dry, and dont offer any immediate threats to technological devices. This is commonly known as puttingthe red in the shed. These other objects can interfere with compasses, and no matter how miniscule the differences may seem, it can leave an impact. Position of the point. 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. Were ready to start orienting ourselves now that our compass has been corrected for local declination. 2. The housing is marked with cardinal points, typically north, south, east, and west, which . Youve got your trusty compass and a map of the area, but you dont know exactly where you are in relation to the map. With the map level, place the compass . Once you master using a lensatic compass, it becomes the only way youll ever navigate around the wilderness moving forward. Nothing is permanent and contours are more permanent than pretty much everything else on a map. Copyright 2013-2019 Collingwood Publications LLC, Some of the best land navigators around are orienteers--those who participate in the cross-country running/map reading sport of orienteering. Then tilt the mirror until you can see straight down into the bezel. 5. A lensatic compass is just one of the many navigational tools we have built. In the daytime, you'll normally find something in the distance on your azimuth and walk to it, so you don't have to keep staring at the compass. 1. Make sure your map is aligned with magnetic north (see above). 2. Brunton TruArc 8010 Classic Map Luminous Compass Brunton TruArc 8010 Classic Map Luminous Compass Item # WX2- 715075 / Mfg. Above: For this example in the Grand Canyon, grid north ("GN") differs from true . What if you dont have access to a compass that can compensate for declination? NB. Kierans bookClimbing the Wallsan exploration of the mental health benefits of climbing, mountaineering, and the great outdoorsis scheduled for release by Simon & Schuster in April 2021. Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. navigation and combat. When you face true north, magnetic north is going to be left, or west, of you by about 14. How To Get Your Map and Compass To Face the Same Direction. If youre facing south, but are holding the map right side up, everything on your map is going to be ass-backwards. Lay your map out in front of you on a relatively flat and smooth (and dry!) They both use magnetization to help you find where you are and where youre going, but theres a catch. Step 1 Orient the map. If you want to navigate and explore like a Navy SEAL, its high time you learn how to use one of these stellar compasses. But lets say youre in the Muir Woods near San Francisco and youre facing true north. 1 color. Use a Compass to Plot Bearings on a Map. Boom. Next, without changing the orientation of you map, move your compass so that the point you are plotting to/from is under the sighting wire, and the compass dial reading matches your bearing. 3. Please refresh the page and try again. When you face true north, magnetic north is roughly 14 degrees to the left, or west, of you. Theyre not traditionally used for camping trips or simple navigation, but if youre serious about prepping, this is a must-have in your EDC bag and bug out bag. 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. At least, I never saw him with one. My 159-page, fully illustrated book is yours for the asking. As previously stated, orientating your map using visual features is only as good as the visibility on any given day. Also known as setting the map, orientating helps to relate your position and the landscape around you to the map, therefore making onward navigation more straightforward. Look at the red needle to see which direction it is pointing. Flip your compass upside down. If everything is matching up, youre onto a winner. 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. What happens if you dont compensate for declination with your compass? The number one destroyer of compasses and any enclosed items like these is moisture. 2. Module 1 Lensatic Compass. If the contour interval is 10 meters, then what is the change in elevation of each intermediate contour . 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. Line up your map with what you see around you. Check to see if the north directional arrow is inline with the arrow/line of the compass. Well adjust it to account for the declination of our compass. This video shows how to orient a map with a compass and briefly discusses magnetic declination. 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. 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. Plot a line on the map from Saddle Mountain at 130. 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. If you don't, visit the page just hyperlinked. 5. 2. The lensatic compass must always be held level and firm when sighting on an object and reading an azimuth. Articles - Email - Linkedin - Facebook - Instagram. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. We know were somewhere along HW 115 and south of Saddle Mountain. 3. There are two ways of doing this. OEC G&V. Download. 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 the map to the terrain. This webpage may also be used to get current declinations. Open the cover completely and pull back the rear sight. So in this installment, well go over the skills you need to do just that. No worries. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow is pointing our map towardtruenorth as opposed tomagneticnorth. to orient the map to find your position. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. Plus, as a web site visitor, you get a 50% discount off the regular price, meaning you get the whole course for $10. 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. Hold the compass at eye level and point it at the object. Lastly, the reading lens also helps cover the compass and folds out; this is where the term lensatic comes from. This is a hard and fast guide on how to use your lensatic compass with a map, which is what it was designed for. Pros . PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. ","acceptedAnswer":{"@type":"Answer","text":"A: In order to orient and read a map, you have to have spatial awareness. He did this for ten days, taking us across numerous waterways and lakes. 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. You discover that it has a bearing of 176. EMERGENCY PREPAREDNESS & More: A Manual On Food Storage and Survival: 2nd Edition Revised and Updated. I guess the military needs the extra accuracy now and then say, for example, to precisely place artillery fire. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. Declination was taken into account while adjusting the compass. 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. To avoid that problem, lets adjust our compass to take declination into account. Once you are physically at your starting location, its time to put your compass to good use. Its 310 degrees in reference to you, as you can see. 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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. Start spinning the bezel slowly until the 'magnetized needle' is aligned with the 'orienting arrow.'. Using a little screwdriver or the metal piece that came with your compass lanyard, turn the small screw. Regardless, let's break it down into several steps: Open the compass cover at a 90-degree angle and then set the lens bracket at a 30-degree angle. 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. A compass needle aligns with the magnetic fields in the Earth, which is what it uses to help you find true north. The instances navigation needs to be most spot-on are when visibility is compromised. Save my name, email, and website in this browser for the next time I comment. Where the line intersects with the highway is where you are on the map. Positioned the cover of the compass toward the top of the map. For instance, line up roads, mountains, water towersany terrain features that stand out enough to make orienting the map possible. On your map, though, you can see the two spots. Most lensatic compasses are designed to withstand moisture to a certain extent, but nobody makes them perfect. Identify your approximate location on your map. How Should I Set My GPS and Compass? Sight an azimuth to any visible terrain feature that appears on the map. Navigation has taken on many forms over the years. north. To orient a map means to line it up with the terrain, so that North on the map is pointing to North on the terrain. But I wish I had the simpler kind that just automatically points to the direction on the compass that I am . Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. Declination is the angle formed by true north and magnetic north. Fortunately, orienting your map is simple. As long as you can hold the compass level and steady, the exact grip doesn't matter. 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. A: To rotate a map in Beat Saber, you can hit the trigger button on your controller. A Cumbrian born and bred, his native English Lake District has a special place in his heart, though he is at least equally happy in North Wales, the Scottish Highlands or the European Alps. Hed just line his map up with the features of the lake we were currently on to find our portage to the next lake. If the local declination is positive, subtract the declination amount from the bearing you just derived. Read your compass (Figures 5-25 and 5-26). Advnture is part of Future US Inc, an international media group and leading digital publisher. With our compass adjusted for local declination, were now ready to start orienting ourselves. (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). The how to orient a map using a compass is a skill that can be used in the outdoors. This was developed. Use the lens to look through the sighting line to find another landmark, and repeat until you reach your destination. New York, Hand placement: Insert your thumb through the thumb loop and the index finger along the compass. Put the compass anywhere on top of the map. 5. This is because it is prepped to point instead to magnetic north once its lined up with your compass needle. 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. A compass is a device used for navigation and orientation. Orienting the Map with aLensatic Compass. Its not unheard of for hikers to accidentally read their map upside down and end up facing south, rather than north. Magnetic north would be around 14 degrees to your right, or east. Standard compasses use floating dials, but lensatic compasses use a damping mechanism powered by electromagnetic induction. If the magnetic declinationin your area were zero, you'd proceed in the direction of 062 degrees. So, don't sweat too much the minute details of getting your map finely oriented to the last degree with your compass. You want to line up your view so the direction of travel arrow is straight ahead. PART 1 Basic Land Navigation. Your lens piece will appear just above your thumb loop. Alex is a qualified Mountain Leader, adventure writer and content creator with an insatiable passion for the mountains. So, if youre at Muir Woods and your compass reads 180 degrees, subtract 14 degrees. Sound complicated? Read the azimuth: Lastly, ensuring the dial is floating, look down on it and read the azimuth. 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. Related Tags. 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. Go to your map. The floating dial is used to determine the direction in which you are pointing your compass. You need to know where youre going before toying with the compass. is also used to follow a course over the ground, orient or set a map, and determine position of objects in. Hey, it happens! number of degrees in a circle (360: north is 0 or 360, east is 90, south is 180, and.

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