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Before we do that, lets take a closer look at declination. how to orient a map using a lensatic compass; how to orient a map in military; orient a map using a lensatic compass powerpoint PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. We covered how to use a compass correctly, how to shoot your bearings, and the greatest map for navigating: the topo map, in Part I. Make sure the direction of travel arrow is pointing to the spot that youre trying to get to. Module 11 Plotting Position Coordinates exact positioning, used to communicate to others with a When you point your compass towards true north, the needle will point slightly east. UK readers, youre in luck. When you return from using your lensatic compass, take it apart as much as possible to detect any moisture. 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. Move the lens holder: Slightly push forward the lens holder. surface. The base is the compass dial, bezel, and the thumb loopthe thumb loop is used for stability to garner a more accurate reading. Determine your position on the map and set the compass edge over it. If everything is matching up, youre onto a winner. Its not unheard of for hikers to accidentally read their map upside down and end up facing south, rather than north. You just need one more piece of information to figure out exactly where you are on the map. In this video below,the user walks through the elements of a USGI lensatic compass, and how to properly use one. Want a free ebook on Land Navigation? Stand so that you can see where the north arrow is pointing, and where your direction of travel arrow is pointing. Just follow these lensatic compass instructions: Open the compass: Let the cover and the base form a 90-degree angle. Ethan Allan thats the peak you saw. Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. 3. Magnetic North is 15 East. Once you reach your landmark, align yourself again to make sure youre on the right path. The instructions on this page might make orienting a map seem a highly technical thing. Here's an example from an older map of the Grand Canyon. Magnetic north is now off the coast of Greenland, but true north is at the very top of the world. If youre facing south, but are holding the map right side up, everything on your map is going to be ass-backwards. 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. Step 1 Determine the direction of the map of the declination and its value from the declination on the map. At least, I never saw him with one. It would be 204 (24+180) in this situation. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API. For bearings of one to 179 degrees, rotate the bezel counter-clockwise. Method #2. Here at Brunton, we manufacture a variety of different compasses for varying needs in the field. Thats 130 degrees. They both use magnetization to help you find where you are and where youre going, but theres a catch. What if youre not on a route and just have a broad idea of where you are? You want to line up your view so the direction of travel arrow is straight ahead. 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. Ensure that the compass bezel is set to 0 degrees i.e. The mils are in black, and are the outer measurements on the ring. 4. If your map already has a line to show magnetic declination, you can take your compass and line its edges up along this. Step 2: line the compass up with the map. Visit our corporate site (opens in new tab). PART 1 Basic Land Navigation USING THE MILITARY LENSATIC COMPASS Module 6 Map Information. The red end of the needle must be pointing to the top of the map. 2. You can also use this website to get up to date declinations. 2. 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. Designate your starting and ending points on the map. Shoot the reverse bearing you got with your compass from the top of Saddle Mountain on your map. If youre in the Adirondacks, add 14 degrees to get a correct bearing of 194 degrees. Its a subtle difference, but its a roundabout way of saying lensatic compasses are less prone to interference than others. Orienting, or aligning, the map is really easy with just 3 steps: Lay your map out on a relatively flat, smooth surface. Uses a retractable lens to read the bearing while. 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. Check to see if the north directional arrow is inline with the arrow/line of the compass. We can find out easily enough, though. Announcement: My online Land Navigation course includes four hours of video instruction, and two downloadable PDF books, all for about the same price as a typical paperback book. Fill & Sign Online, Print, Email, Fax, or Download north. The angle between true north and magnetic north is declination. Its declination would be written as 14E. You see that its 230 in relation to your location. 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. It's important to hold your compass stable, squarely in front of you, and level. The housing lines should be parallel with the maps vertical grid lines. Move the lens holder: Slightly push forward the lens holder. In your case, however, your declination is 004 degrees West, meaning you'll have to add 004 degrees before you set your compass. How Should I Set My GPS and Compass? Step 3: Find a path that leads to the horizon. The skill allows users to find north with ease, which is crucial for navigation. There are two ways of doing this. Want a free ebook on Land Navigation? Save my name, email, and website in this browser for the next time I comment. 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 . Suunto M-3 Compass. 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 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! Its not an issue. Your map is now aligned to magnetic north. How to Determine the Bearingof a Distant Object. 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. Doing that with a lensatic compass is much like doing that with any other compass. Through his hiking, mountaineering, climbing and trail running adventures, Alex aims to inspire others to get outdoors. Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. Lets break down the individual parts of a lensatic compass so you can understand every element behind how it works. That can make a huge difference! Turn the map and compass together until the red needle is pointing north. But heres where things get tricky: the angle of declination changes depending where you are on the earth. 4. Holding any compass in a slack and half-a**ed (that's an old military term) manner can cause you to go off in the wrong direction. Youve orientated the map. The number one destroyer of compasses and any enclosed items like these is moisture. The big bang. The Art of Manliness participates in affiliate marketing programs, which means we get paid commissions on editorially chosen products purchased through our links. 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. Now that were putting compass to map, we need to adjust for it so that we can accurately orient and navigate. Step 2: Line up your lensatic compass with the North Star and make sure the index mark is on the star. In this situation, you can use your compass to work out which direction magnetic north is and orientate from there. 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. Now its time to store your compass. At night, however, or in other periods of limited visibility (fog, blizzard, etc) keeping these two luminous bits lined up will be your only remedy. To get among the sources, you can discover the fascinating point to acquire. In this case, it would be 204 (24+180). How to Pack a Backpack Are You Doing it Right? 4. ), but youre not sure where. 2. Housing lines should be parallel to the vertical grid lines on the map. Hold it square and straight in front of you like you mean business. Keep doing this until you get to where you want to go. west is 270). It is the bread and butter of navigation and a good habit to get into every time you set off in any given direction. ), 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. As a result, your real bearing is 166. There are 2 ways to do this - using landmarks or using a compass. 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 . for Faith in Humanity, how to orient a map using a lensatic compass, orient a map using a lensatic compass powerpoint. How can you get your point position then? This video shows how to orient a map with a compass and briefly discusses magnetic declination. Line your lensatic compasss base plate up with the maps north-south lines. ), Set Your Compass for Your Intended Azimuth. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. Close is good enough in horsehoes, but I'm hoping exact is the standard for artillery fire. 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. 4. Well say the declination value is 10 degrees. 1. Lensatic compasses are seasoned or experienced navigator tools. 1. We may use the map to identify any landmark we observe in our landscape once we know our point location. 3. 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 . Positioned the cover of the compass toward the top of the map. My 159-page, fully illustrated book is yours for the asking. 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. This is commonly known as puttingthe red in the shed. Some of the components' terms are used in the explanations below. When you point your compass towards true north, the needle will point a bit to the west. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. Thats your bearing from point A to point B. 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. What happens if you dont adjust your compass for declination? Magnetic north would be around 14 degrees to your right, or east. At the summit of Saddle Mountain, take a bearing using your compass. Well, that is, unless you're doing something silly like holding the compass backwards. Welcome back to the Land Navigation Manual for the Art of Manliness. 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 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.