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Check back next month for our final briefingon how tonavigate using MGRS coordinates, just like they do in the military. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. We may use the map to identify any landmark we observe in our landscape once we know our point location. Its a subtle difference, but its a roundabout way of saying lensatic compasses are less prone to interference than others. A map so lined up is easier to interpret and follow than a map spread out haphazardly. The two basic techniques for using the lensatic compass . (1) 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 of the map. Were not using it at all during this entire process.). Hold the compass steady and level, and up to your face. 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. If youre in the Adirondacks, youll want to add 14 so your true bearing would be 194. 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. Magnetic north lines up exactly when youre on this line and facing true north. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. Looking at the map is an easy way of finding which direction north or east are relative to your current position. 3 Navigation: Compass Basics Read, Understand, and Remember! Make an "L" shape with the index finger and thumb of your other hand. So, don't sweat too much the minute details of getting your map finely oriented to the last degree with your compass. Using a little screwdriver or the metal piece that came with your compass lanyard, turn the small screw. Its declination would be written as 14E. Plot a line on the map from Saddle Mountain at 130. Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. This video shows how to orient a map with a compass and briefly discusses magnetic declination. ), Podcast #858: The Affectionate, Ambiguous, and Surprisingly Ambivalent Relationship Between Siblings, How to Fight Entitlement and Develop Gratitude in Your Kids, How and Why to Hold a Weekly Marriage Meeting, You Dont Have to Be Your Dad: How to Become Your Familys Transitional Character, Podcast #810: How to Turn a Boy Into a Man, Sunday Firesides: Climb the Ladder of Love, Podcast #865: How to Win Friends and Influence People in the 21st Century, Podcast #863: Key Insights From the Longest Study on Happiness, Podcast #875: Authority Is More Important Than Social Skills, Podcast #874: Throw a 2-Hour Cocktail Party That Can Change Your Life, 9 Mental Distortions That Are Sabotaging Your Social Life, How to Make the Perfect Snowball: An Illustrated Guide, Podcast #869: The Survival Myths That Can Get You Killed, Skill of the Week: Survive Falling Through Ice, Podcast #848: The 5 Priorities of Short-Term Survival, we covered how to properly use a compass, how to shootyour bearings, and the best map for navigating: the topo map, Land Navigation Manual: How to Use the Military Grid Reference System, Land Navigation Manual: Finding Your Bearings & Topo Maps, More Than Just Finding North: Understanding the Compass, Podcast #534: How Navigation Makes Us Human. Execute your docs in minutes using our simple step-by-step instructions: Get the How To Use A Lensatic Compass you need. Step One: Take a Compass Bearing on the Ground. Mt. 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PART 1 Basic Land Navigation USING THE MILITARY LENSATIC COMPASS Module 6 Map Information. Step 3: Find a path that leads to the horizon. 8; Page 11 G. LOCATING POSITION USING INTERSECTION 1. 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. Keep in mind that maps are drawn with north at the top. No worries. In addition to 360 degrees to measure directions in a circle, the military also uses 6,400 mils. "}},{"@type":"Question","name":"How do you do map orientation? For instance, line up roads, mountains, water towersany terrain features that stand out enough to make orienting the map possible. Adjustable Declination Compasses. Casio's latest G-Shock watch could be a serious Garmin rival. Line it up with that. A compass needle aligns with the magnetic fields in the Earth, which is what it uses to help you find true north. This is a hard and fast guide on how to use your lensatic compass with a map, which is what it was designed for. Picture 1: Map Declination. We earn a commission if you click this link and make a purchase at no additional cost to you. What happens if you dont compensate for declination with your compass? Fill & Sign Online, Print, Email, Fax, or Download Navigate to your map. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API. Identify where you are on the map and place the compass edge over this location. The instances navigation needs to be most spot-on are when visibility is compromised. What is the preferred method of using a lensatic compass when reading magnetic azimuths. . 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. 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. 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. Visit our corporate site (opens in new tab). 3. SEE IT. With our compass adjusted for local declination, were now ready to start orienting ourselves. No declination exists and you dont have to adjust your compass. You can look through a small window of the top (thats the lens), and navigate smoothly from there. Now, read the degree marking under the fixed black index line. So, if you know where you are on the map, look ahead and see what features you can see. Align the map so that the top of the map is parallel with the direction north based on the compass. What's that? When moisture seeps into the lens case of your lensatic compass, it causes major problems. 4. 2. Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. Of course, ignore all of this if youre hiking through the Netherlands or Florida, where hills and, by extension, contour lines are somewhat rare. A map, by definition, is a small-scale representation of the real world or a section thereof. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How do you orient and read a map? 2. Your email address will not be published. See that little black outline of an arrow? Now its time to store your compass. All Rights Reserved. Your article very useful for me and it helps me understand more about compass. Lensatic compasses aremade upof three parts: cover, base, and reading lens. 3. So your true bearing would be 166. A lightweight, well-engineered orienteering compass from the Finnish company that helped set the gold standard in navigation. So there you have it. Turn the compass cover more or less perpendicular to the base. 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. 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. While some elements of the navigation process are similar to using a baseplate compass, there are also slight differencesincluding how you hold a lensatic compass. Lay the map out flat in front of you. 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. Lay the compass down on your map. 5. Its not an issue. 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. Area Position. If youre facing south, but are holding the map right side up, everything on your map is going to be ass-backwards. Youre in the right place! That can make a huge difference! (Note: Ignore the magnetic compass needle. When you purchase through links on our site, we may earn an affiliate commission. Once you reach your landmark, align yourself again to make sure youre on the right path. You can see that the mountain is 24 degrees away from you. When you point your compass towards true north, the needle will point a bit to the west. To avoid that problem, lets adjust our compass to take declination into account. But it isnt just magnets there are other culprits at play, here. ENROLL NOW. Use a Compass to Plot Bearings on a Map. Remember declination from Part I? Hey, it happens! 2. . Now draw the bearing line using the edge of the compass, and extending it in the desired direction. 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). There is nothing better than being at the heart of your navigation as a prepper, and truly knowing where youre headed without the need for technological input. Most people have never heard of them, but soon enough, youre going to be a master at using them. 3. 4. When we know our point position, we can identify any landmark that we see in our terrain by using the map. The bezel clicks as it moves--three degrees for every click. 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. Future US, Inc. Full 7th Floor, 130 West 42nd Street, Lets say youre planning a short hike from one point to another. Holding any compass in a slack and half-a**ed (that's an old military term. Adjust for magnetic declination. Not a problem. Plot a line on the map using the back bearing from that mountain. Program, Strengthen Your Tribe: A Report on the Atomic Athlete Vanguard, The Best Riddles for Kids (With Answers! Survival Compass, Military Compass Hiking, Orienteering Lensatic Compass, Waterproof Navigation Compasses, Survival Emergency Luminous Sighting Compass. Find the magnetic declination on your map. Orienting the Map with anOrienteering Compass. NY 10036. You want to know how to use a lensatic compass? Well, that is, unless you're doing something silly like holding the compass backwards. Declination is the angle formed by true north and magnetic north. Once you master using a lensatic compass, it becomes the only way youll ever navigate around the wilderness moving forward. Determining a Bearing, or "Shooting an Azimuth", Using Your Compass Sights to "Shoot an Azimuth". Want a free ebook on Land Navigation? Make sure the travel direction arrow is pointed in the direction you want to go. Your action from here depends on the value and direction of your declinationeast or west. Finally, read the number on the rim of the compass.