how to orient a map using a lensatic compass

Mt. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. Now hold your compass horizontally and point the 'direction-of-travel-arrow' towards the landmark. We'll start from the beginning, and go through everything you need to know to find your way over the terrain. PDF Landmark Compass Manual Save my name, email, and website in this browser for the next time I comment. To prevent this issue, well tweak our compass to account for declination. Taking each features relative shape, height and distance away into consideration, you should be able to start to match them to the contour features on the map. Adjustable Declination Compasses. (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). We may then use our compass to begin going in the direction we need to go in order to reach our destination. 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. Use a Compass to Plot Bearings on a Map. Looking at the map is an easy way of finding which direction north or east are relative to your current position. Once you reach your landmark, align yourself again to make sure youre on the right path. Before we do that, lets dig a bit deeper into declination. How can you get your point position then? Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. As a result, your real bearing is 166. 3. A lightweight, well-engineered orienteering compass from the Finnish company that helped set the gold standard in navigation. Now were going to find out where exactly we are on that line. The cover is used to protect the compass and alsoincorporates thesighting wirewhich helps you determine direction. 2. 3. Hold your compass in the two-hand hold, steady and level in front of you. Want to start taking action on the content you read on AoM? Place the three remaining fingers below as if you are holding a gun. Title: USING THE MILITARY LENSATIC COMPASS 1 USING THE MILITARY LENSATIC COMPASS PART 2 Intermediate Land Navigation Module 14 Travel Distance Estimation 2 . Heres our step-by-step guide to the most straightforward. This step comes after aligning our map and compass needle to magnetic north if using a compass that doesnt have a declination adjustment key. . Some of the best land navigators around are orienteers--those who participate in the cross-country running/map reading sport of orienteering. Find the magnetic declination on your map. 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. If your map already has a line to show magnetic declination, you can take your compass and line its edges up along this. 5. SMCT: Orient a Map Using a Lensatic Compass - YouTube 4. Start spinning the bezel slowly until the 'magnetized needle' is aligned with the 'orienting arrow.'. USING THE MILITARY LENSATIC COMPASS - PowerShow Advnture is part of Future US Inc, an international media group and leading digital publisher. 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. Lets move to the opposite coast of the U.S. Lets say youre in the Adirondacks of New York. Battle tested - shock, water, sand proof, and. Video: How to Use a Lensatic Compass (U.S. Army, 1966) 4. Move the lens holder: Slightly push forward the lens holder. Open the compass all the way so that the cover locks into position against the base, forming a straightedge along the left side. Get your own customized topographical maps, built according to your specifications. Plotting a bearing on a map using a round lensatic compass - MapTools This is sometimes referred to as putting red in the shed. Easy-to-Read Thermometer - Cushion-mounted thermometer provides an "at-a-glance . . To orientate the map, rotate both the map and compass together until the red compass needle and the red orientating arrow match up. This video shows how to orient a map with a compass and briefly discusses magnetic declination. Check back next month for our final briefingon how tonavigate using MGRS coordinates, just like they do in the military. Now its time to store your compass. 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. Open the cover completely and pull back the rear sight. Using the side of your compass, draw a line towards the highway that youre on. Related Tags. Then turn the map until the position of the landmarks on the map corresponds to the real-world features in the terrain, then cross-check your position with additional features to ensure you have oriented correctly. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. Orient you compass with the bearing, and draw the bearing line. It typically consists of a magnetized needle that is mounted on a pivot and placed inside a circular housing. Huzzah! 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). Remember how we spoke about declination in Part 1? The needle on your compass dial will always be pointing north, so when placing the compass on the map, the needle on the compass should match the map's north in order to orient yourself. ","acceptedAnswer":{"@type":"Answer","text":"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. 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. Improve your reading skills with the KWL Method Compass 101 - How to Use a Baseplate Compass Buying a Compass for Land Naviga-tion Basic Navigation with a Compass and a Map How to orient a map and take a . It's important to hold your compass stable, squarely in front of you, and level. The degrees are in red, and are the ring's inner measurements. 4. Lensatic compasses aremade upof three parts: cover, base, and reading lens. First things first. Then tilt the mirror until you can see straight down into the bezel. You dont have your point position. 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. Pull your elbows firmly into your sides; this will place the compass between your chin and your belt. Welcome back to the Art of ManlinessLand Navigation Manual. Positioned the cover of the compass toward the top of the map. We need to compensate for the compass now that weve placed it on the map so that we can appropriately orient and travel. Flip up the small magnifying glass. So, how are you going to acquire your point position? How to Determine the Bearingof a Distant Object. 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. Thats your bearing from point A to point B. Your map (and yourself) are now be orientated north. Check the declination of your local location on your map or on a website. Step 1: Find the North Star. Step 3 Use one of two techniques to orientate the map. Lensatic compasses are used by the United States military for a reason. Click heretolearn about the three different types of compasses. PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. Large Ball Compass - Easy to read ball compass shows two readings. Steady the compass by allowing the hand holding the compass to rest in the cupped palm of your other hand. This is because it is prepped to point instead to magnetic north once its lined up with your compass needle. From point A to point B, thats your bearing. 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. Orient a Map Using a Lensatic Compass 071-329-1011 Conditions: Standards: Orient the map to the ground using a compass. With the map in a horizontal position, take the straightedge on the left side of the compass and place it alongside the north-south grid line with the cover of the compass pointing toward the top . From this diagram, we can see that our compass would point to magnetic north a little over 13 degrees to the right of "straight up" on the map (grid north). 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. Of course, ignore all of this if youre hiking through the Netherlands or Florida, where hills and, by extension, contour lines are somewhat rare. You can see that the mountain is 24 degrees away from you. 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. Draw a line towards the roadway youre on using the side of your compass. FM 3-25.26: Map Reading and Land Navigation. for Faith in Humanity, how to orient a map using a lensatic compass, orient a map using a lensatic compass powerpoint. Adjust for magnetic declination. 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. Plotting a bearing on a map using a straight edged lensatic compass How to Use a Lensatic Compass - Carnegie Museum of Natural History Find two or three easily identifiable features or landmarks on your map and then try to identify them in the terrain, or vice-versa. Want a free ebook on Land Navigation? Brett May 23, 2016 Last updated: June 2, 2021. Hey, it happens! Adjust the compass bezel so that north on the compass corresponds to north on the map. Tilt it forwards until you can see your sighting arrow. ), you just dont know exactly where. The two basic techniques for using the lensatic compass . Last but not lease, lensatic compasses are prone to scratching. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. The orient a map to the ground by map-terrain association is one of the most basic skills that you will need in order to survive. Orient a map using a lensatic compass by Jessica Lanier How to Use a Lensatic Compass: Guide for Hikers Turn the bezel on your compass so that north on the compass points to north on the map. 3. You can also plot a known compass bearing on the mapthe reverse process. For this, they use a lensatic compass, among other navigation equipment and techniques. 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. Because my magnetic declination is 4E, Ill move the black arrow outline to the red hash marks next to E DECL.. You notice another mountain peak out in the distance, but you dont know what its called. 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. 2. Return from Lensatic Compass to How to Use a Compass. Map and Compass Orientation 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. On your map, shoot the back bearing that you just took with your compass from the top of Saddle Mountain. Articles - Email - Linkedin - Facebook - Instagram. Sight: Now peek through the rear sight slot, aligning the sighting wire or the front sight to the desired direction or object. Pull the ring underneath the compass and put your thumb through. The United States military needs to know how to navigate on land when all digital systems fail. The plotted line cuts through Mt. Identify where you are on the map and place the compass edge over this location. Finding Your Way With Map and Compass | U.S. Geological Survey Here's an example from an older map of the Grand Canyon. That has the potential to make a significant impact! Line your orienteering compass's base plate up with the map's north-south lines. He climbs when he should be writing, writes when he should be sleeping, has fun always. Yeah, book is the most effective tool that can be made use of for affecting your life. Flip your compass upside down. 3. Keep in mind that maps are drawn with north at the top. Fortunately, orienting your map is simple. Using a little screwdriver or the metal piece that came with your compass lanyard, turn the small screw. Orient a map using a lensatic compass by Aaron Laforteza - Prezi Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. For instance, line up roads, mountains, water towersany terrain features that stand out enough to make orienting the map possible. With a little bit of compass work, you can figure this out. 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. 1. 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. 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. 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. 2. First, open the compass to its fullest so that the cover forms a straightedge with the base. Hold the compass with your thumb fully in the thumb ring, and your index finger wrapped around and gripping the circular part of the underneath of the compass's base. Turn the map and compass together until the azimuth sighted lies under the Index Line. But not to you, I trust. 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. Turn the compass dial so that the bearing intersects the index line (2). Map & Compass: Adjust for declination & orient the map - Andrew Skurka Lets break down the individual parts of a lensatic compass so you can understand every element behind how it works. The Lensatic compass is used to determine 'azimuths' or 'compass bearings' (horizontal angles). Quick Answer: Lensatic Compass How To Use - BikeHike When we know our point position, we can identify any landmark that we see in our terrain by using the map. Once you've got the bearing you can transfer it to the map. What if you dont have access to a compass that can compensate for declination? Place your map in such a way that the terrain features line up with your maps features. If youre in the Adirondacks, youll want to add 14 so your true bearing would be 194. . Lets say you know youre southeast of Saddle Mountain and northeast of some smaller mountains. Ensure that the compass bezel is set to 0 degrees i.e. Picture 1: Map Declination. 2. Uses a retractable lens to read the bearing while. Turn the little screw using a small screwdriver or the little metal piece that comes with your compass lanyard. 3. 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The courses of streams change, field boundaries move, new hedgerows are built, walls are plundered for buildings, glaciers melt, roads and bridges are washed away by floods, houses are knocked down and rebuilt somewhere else. You can look through a small window of the top (thats the lens), and navigate smoothly from there. Your email address will not be published. We know were someplace south of Saddle Mountain on HW 115. 5. Magnetic north lines up exactly when youre on this line and facing true north. You get the picture. Lay the map out flat in front of you. Well say the declination value is 10 degrees. Your cheek should be resting on the base of your thumb. It is easy to learn and it can be done with just a map and compass. The map is now oriented to the terrain. Alex is a qualified Mountain Leader, adventure writer and content creator with an insatiable passion for the mountains. Orienting, or aligning, the map is really easy with just 3 steps: Lay your map out on a relatively flat, smooth surface. This is commonly known as puttingthe red in the shed. Orienting the Map with anOrienteering Compass. 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. Well, that is, unless you're doing something silly like holding the compass backwards. OEC G&V. Download. Youve got your dependable compass and a map of the region, but youre not sure where you are in respect to the map. Now, read the degree marking under the fixed black index line. The instructions on this page might make orienting a map seem a highly technical thing. 9-4. Look directly down on the top (smaller card) of compass to view general orientation cardinal points. pointsnorth, east, south, and westbut some are marked additionally with the. You want to go cross country directly to Devil's Wash Basin, a deep and beautiful lake you've heard a lot about. Turn the map and compass until the needle on the compass aligns with the north-south grid lines on the map. This was developed for the Center for Initial Military Training, FT Eustis, Va. My magnetic declination is 4E, so Ill be moving the black arrow outline towards the red hash marks that are going towards E DECL.. 1. Were not using it at all during this entire process.). 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. It has its advantages and disadvantages over the orienteering compass. When you return from using your lensatic compass, take it apart as much as possible to detect any moisture. How to Orient a Map - land navigation The U.S. military M-1950 lensatic compass shown in this video is still in use today. 3. Shoot the reverse bearing you got with your compass from the top of Saddle Mountain on your map. $7.20. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. Note: This procedure places the fixed black index line of the compass parallel to north-south grid lines of the map. Below, we offer a short, straight-talking guide to how its done. True north is represented by a star. The back bearing is 50. 3 Navigation: Compass Basics Read, Understand, and Remember! You can figure this out with a little compass work. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. Its not unheard of for hikers to accidentally read their map upside down and end up facing south, rather than north. If we dont account for declination and use our map to acquire directions to our destination, well be wrong by 14 or more when we start walking. When youre on this line and are facing true north, magnetic north lines up perfectly, too. On your map, though, you can see the two spots. Turn your compass on its side. To find directions from your map, you're going to need a protractor, a special instrument used for measuring angles. You look out into the distance and you see another mountain peak, but you dont know the name of it. A power point class to Orient a Map Using a Lensatic Compass or $0.99 - Purchase Checkout Added to cart or $4.99 - Monthly Subscription Checkout Added to cart Billed once per month until cancelled or $14.99 - Annual Subscription Checkout Added to cart Billed once per year until cancelled or $9.99 - Protected: VIP Subscription Checkout Added to cart Billed once per year until cancelled . How to use a lensatic compass - SlideShare Step 2. Kieran James Cunningham is a climber, mountaineer, and author who divides his time between the Italian Alps, the US, and his native Scotland. For bearings of 181 to 359 degrees, rotate the bezel clockwise. 3.30 MB. Lets say youve hiked the peak of Camels Hump in Vermont. a. The number one destroyer of compasses and any enclosed items like these is moisture. Your action from here depends on the value and direction of your declinationeast or west. Simply look for distinguishable landmarks that are marked on the map, and turn so that both you and the map are facing this object. Making sure you don't move to change directions, turn the glass compass housing until the short luminous line is directly lined up with the luminous magnetic arrow. Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. 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. Keep doing this until you get to where you want to go. Ethan Allan thats the peak you saw. From the compass, to GPS, to now even your mobile devicetheres no shortage of navigational tools. Center-hold. 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. Position of the point. How to Orient a Map: Navigation 101 - My Open Country Fill in the empty areas; concerned parties names, places of residence and phone numbers etc. 4. Plus, as a web site visitor, you get a 50% discount off the regular price, meaning you get the whole course for $10. Open the cover completely and pull back the rear sight. 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. Make sure your map is aligned with magnetic north (see above). Lastly, the reading lens also helps cover the compass and folds out; this is where the term lensatic comes from. Determine a Magnetic Azimuth Using a Lensatic Compass When the actual lens gets damaged, it unnecessarily impairs simple operation. You can use this feature to set your compass in the dark. The following 30-minute U.S. Army training video from 1966 shows how to find your direction, orientation, and location with a mil-spec lensatic compass. Look through the lens and sighting line. Visit our corporate site (opens in new tab). Well, that is, unless you're doing something silly like holding the compass backwards. ? durability, and its hyper-accuracy in land. The big bang. 1. How to use an Orienteering Compass - Survival Gear Book Future US, Inc. Full 7th Floor, 130 West 42nd Street, Orienting your map means aligning it so that north on the map corresponds to north in the terrain and the maps topography correlates to the real-world topography in front of you. Turn your declination-adjusted compass dial so due North is at the index pointer. In this situation, you can use your compass to work out which direction magnetic north is and orientate from there. Place the compass flat on the map with the travel arrow pointed in the general direction of north and one of the base plate's long edges linking your location and your destination; you may need a straight-edge to make the connection, depending on the map's scale and the distance to be covered. If you are interested in trying your hand at navigation with a lensatic compass, check out our Brunton 9077 Compass, and follow along with this video: If you are interested in trying your hand at navigation with a lensatic compass, check out our. STEPS 1.Ensure the map is on a level surface, place the compass parallel to a north-south grid line with the cover side of the compass pointing towards the top of the map. Remember declination from Part I? Next, turn the compass housing so that the index pointer corresponds to the number of degrees of the magnetic declination. Housing lines should be parallel to the vertical grid lines on the map. Using your compass, take a heading to a visible landmark. Line up your map with what you see around you. ENROLL NOW. Read your compass (Figures 5-25 and 5-26). When this happens, its time to orientate using a compass. We earn a commission if you click this link and make a purchase at no additional cost to you. Now $7.56. Enroll in my personalized step-by-step video-based online course. Now that were putting compass to map, we need to adjust for it so that we can accurately orient and navigate. Instructions for the US Army Lensatic Compass. Contains - YUMPU (2) Keep the compass aligned as directed above while . There's another way to orientate a map using a compass that starts slightly differently to what was explained above. The red end of the needle must be pointing to the top of the map. Performance Steps 1. A lensatic compass features a small pop-out area for your thumb, and a lid on top of the main compass body. Finally, you can always triple check with human features, such as walls or towns that youd expect to be able to see in the valley. 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. What wildlife can you see at Yellowstone National Park? When you have a line location, you know youre on a maps recognizable line (trail, ridge line, etc. It will make it easier to understand why we adjust for declination in the first place.

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