My 159-page, fully illustrated book is yours for the asking. Step 4: Walk along the path and make sure your compass always points North. With the map level, place the compass . This video shows how to orient a map with a compass and briefly discusses magnetic declination. Fortunately, orienting your map is simple. Lets go to the other side of the country. that it is pointing towards the top of the map. Well, we can use our compass as a protractor to take a bearing from our map. Its 310 degrees in reference to you, as you can see. Lets break down the individual parts of a lensatic compass so you can understand every element behind how it works. Use the illustration above to familiarize yourself with the components of a lensatic compass. Lensatic Compass Military Camping Hiking Army Style Survival Marching NEW What if youre not on a trail, but you just know the general area youre in? Most compasses are marked with the four cardinal. See that little black outline of an arrow? To prevent this issue, well tweak our compass to account for declination. You get the picture. And thats it! Most lensatic compasses are designed to withstand moisture to a certain extent, but nobody makes them perfect. Adjust the compass bezel so that north on the compass corresponds to north on the map. Want a free ebook on Land Navigation? PPT - USING THE MILITARY LENSATIC COMPASS PowerPoint Presentation, free 5. Make sure your map is aligned with magnetic north (see above). We can find out easily enough, though. The floating dial is used to determine the direction in which you are pointing your compass. Come to think of it, I dont even know if he had a compass. 1. Lay the compass down on your map. Looking at the photo below, let's say you're at the north end of Sheeler Lake, where the penciled X is. Take that bearing and plot it on the map using the technique explained above. Land Nav Task 10 - Orient a Map Using a Lensatic Compass 3. Here's an example from an older map of the Grand Canyon. west is 270). USING THE MILITARY LENSATIC COMPASS - PowerShow But heres where things get tricky: the angle of declination changes depending where you are on the earth. 5. The cover is used to protect the compass and alsoincorporates thesighting wirewhich helps you determine direction. Now it's time to take out the map. The Art of Manliness participates in affiliate marketing programs, which means we get paid commissions on editorially chosen products purchased through our links. He has climbed a handful of 6000ers in the Himalayas, 4000ers in the Alps, 14ers in the US, and loves nothing more than a good long-distance wander in the wilderness. Using the rotating bezel, turn it until the direction of travel arrow lines up with the north arrow. 1. The big bang. Magnetic north would be around 14 degrees to your right, or east. (Note: Ignore the magnetic compass needle. In Part I, we covered how to properly use a compass, how to shootyour bearings, and the best map for navigating: the topo map. Land Navigation: How to Orient With a Map & Compass Declination is the angle formed by true north and magnetic north. Were headed to the Wichita Mountains Wildlife Refuge in Oklahoma for this example. Steady the compass by allowing the hand holding the compass to rest in the cupped palm of your other hand. Wrap your middle, ring and pinky finger around your thumb for support. Spread out your map. We earn a commission if you click this link and make a purchase at no additional cost to you. How to orientate a map: let us point you the right way | Advnture Remember declination from Part I? Were not using it at all during this entire process.). 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. Casio's latest G-Shock watch could be a serious Garmin rival. Now, rotate the map and compass baseplatetogetheruntil the compass needle is boxed in the red orienting arrow (or direction-of-travel lines) on the compass. The legend. He is currently working towards qualifying as a Mountaineering and Climbing Instructor and International Mountain Leader. 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. The rear bearing is at a 50-degree angle. Close is good enough in horsehoes, but I'm hoping exact is the standard for artillery fire. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow . Sounds like a lot more than a regular compass, doesnt it? Make an "L" shape with the index finger and thumb of your other hand. Your email address will not be published. Open the compass all the way so that the cover locks into position against the base, forming a straightedge along the left side. Execute your docs in minutes using our simple step-by-step instructions: Get the How To Use A Lensatic Compass you need. ), you just dont know exactly where. Huzzah! Set your compass dial to 000 degrees. Read your compass (Figures 5-25 and 5-26). Step 2 Lay the map in a horizontal position. Once you've got the bearing you can transfer it to the map. Magnetic North is 15 East. Youre somewhere on that line, so you know have a line position. Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. It has its advantages and disadvantages over the orienteering compass. The techniques employed when using the lensatic compass are as follows: a. For bearings of one to 179 degrees, rotate the bezel counter-clockwise. You will not be using it for the center-hold technique. How to Use a Compass and Map - My Open Country How to use an Orienteering Compass - Survival Gear Book Please refresh the page and try again. 2. Heres how it works. Sometimes we may use GPS technology or navigational apps to find our way, but we will always have the option of a map and compass stashed safely in our hiking backpack. A visualization depicting the Soldiers Manual of Common Tasks (STP 21-1-SMCT) task Orient a Map Using a Lensatic Compass (071-COM-1011). Put the compass anywhere on top of the map. When we dont know where our point is, we have to rely on less precise kinds of orientation based on line or area position: Position of the line. Make a mark with your pencil at the notch on the end furthest from the sighting wire. Adjustable Declination Compasses. SPECS dimensions:4.1" x 2.4" x 0.6" |10.4 x 6.2 Read More. Lets return to Muir Woods as an example. He climbs when he should be writing, writes when he should be sleeping, has fun always. Some of the components' terms are used in the explanations below. Look through the lens and sighting line. 071-COM-1011 Orient a Map Using a Lensatic Compass(1).pdf Battle tested - shock, water, sand proof, and. The bezel clicks as it moves--three degrees for every click. Pull the ring underneath the compass and put your thumb through. The fundamentals of using a map and compass to find your way around. Place map on flat surface (not metal) 2. Video: How to Use a Lensatic Compass (U.S. Army, 1966) How to Use a Lensatic Compass for Beginners - PREPAREDNESS ADVICE You can look through a small window of the top (thats the lens), and navigate smoothly from there. So, if you know where you are on the map, look ahead and see what features you can see. There's another way to orientate a map using a compass that starts slightly differently to what was explained above. Navigation has taken on many forms over the years. Tilt it forwards until you can see your sighting arrow. Manual Cammenga Lensatic Compass (page 1 of 16) (English) - Libble.eu As a result, its declination would be 14 degrees west. 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. Compass adjusted for declination. Advnture is part of Future US Inc, an international media group and leading digital publisher. Put your compass on your map. 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. A lensatic compass is often referred to as a military compass, and is typically used by the U.S. Military. It typically consists of a magnetized needle that is mounted on a pivot and placed inside a circular housing. PART 1 Basic Land Navigation. Center-hold. Remember, human features are the last port of call and, whats king again? We may use the map to identify any landmark we observe in our landscape once we know our point location. This was developed for the Center for Initial Military Training, FT Eustis, Va. 6. ), 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. Preferred by military for its precision and. There are two ways of doing this. To obtain a heading from our map, we may use our compass as a protractor. Open the cover completely and pull back the rear sight. Youll want to turn it until that black arrow outline is lined up with the 4E hash mark. Want a free ebook on Land Navigation? The two basic techniques for using the lensatic compass . To make sure you receive a correct bearing, youll have to perform some arithmetic with all of your bearings. Note: This procedure places the fixed black index line of the compass parallel to north-south grid lines of the map. Place your map in such a way that the terrain features line up with your maps features. Position in the area. (They are oriented to Grid North, which is not necessarily the same as . Map Reading and Land Navigation: FM 3-25.26. A map, by definition, is a small-scale representation of the real world or a section thereof. Step 2: Line up your lensatic compass with the North Star and make sure the index mark is on the star. 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. Open it up using the cloud-based editor and begin editing. In such orientation we use a lensatic scale. When we dont have our point position, we have to use less exact forms of orientation based on line or area position to find it: Line Position. 3.Rotate the map and compass until the directions of the declination diagram formed by the black index line and the compass needle match the direction shown in the . Lensatic compasses are used by the United States military for a reason. Your map (and yourself) are now be orientated north. Where the line intersects with the highway is where you are on the map. No declination exists and you dont have to adjust your compass. how to orient a map using a lensatic compass - caketasviri.com Orient a Map Using a Lensatic Compass 071-329-1011 Conditions: Standards: Orient the map to the ground using a compass. What wildlife can you see at Yellowstone National Park? Take a bearing to a visible landmark using your compass. The instructions on this page might make orienting a map seem a highly technical thing. There is some technical difference between the two, but for all practical civilian purposes, the words are interchangeable. All you have to do now is take a bearing towards the unnamed mountain. Set your compass dial to 000 degrees. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map. The angle between true north and magnetic north is declination. 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. 9-4. There are 2 ways to do this - using landmarks or using a compass. Last but not lease, lensatic compasses are prone to scratching. 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. 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. Were going to move that to take into account declination on our compass. The instances navigation needs to be most spot-on are when visibility is compromised. 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. Easy-to-Read Thermometer - Cushion-mounted thermometer provides an "at-a-glance . 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. Module 11 Plotting Position Coordinates exact positioning, used to communicate to others with a 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. The United States military needs to know how to navigate on land when all digital systems fail. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. When you point your compass towards true north, your compass needle is going to point a little to the west. Assume youre in the Adirondack Mountains of New York. Conversely, the black end of the compass needle should be pointing south. Step One: Take a Compass Bearing on the Ground. It's important to hold your compass stable, squarely in front of you, and level. You see that its 230 in relation to your location. Note that we will be moving and adjusting the compass on the map. Pull your elbows firmly into your sides; this will place the compass between your chin and your belt. Orient the map to the terrain. Most people have never heard of them, but soon enough, youre going to be a master at using them. Double-check by making sure the map title or legend text is the correct way up, or find the maps north arrow. The base is the compass dial, bezel, and the thumb loopthe thumb loop is used for stability to garner a more accurate reading. Have you noticed the agonic line? Keep it in a case, or wrapped up in a thick cloth to prevent those damages. 2. At the summit of Saddle Mountain, take a bearing using your compass. 2. Timetoprepare.net. Line up your map with what you see around you. Turn your declination-adjusted compass dial so due North is at the index pointer. Nothing is permanent and contours are more permanent than pretty much everything else on a map. How to Pack a Backpack Are You Doing it Right? First, open the compass to its fullest so that the cover forms a straightedge with the base. Place compass on top of map. 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. 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. Thankfully, its notwhether orienting your map with a compass or without, this is a skill that can be learned in minutes and which can be done in a matter of seconds out in the field. 4. We know were somewhere along HW 115 and south of Saddle Mountain. How to Use a Compass: 15 Steps (with Pictures) - wikiHow You need to know where youre going before toying with the compass. 1 color. a. Magnetic north is now off the coast of Greenland, but true north is at the very top of the world. One disadvantage is, unlike the orienteering compass, it's not easy to make it double as a protractor, meaning you'll have to carry a protractor with you. c. There are two methods of holding the lensatic compass and sighting. 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). We'll start from the beginning, and go through everything you need to know to find your way over the terrain. 3. That would be 130. 3. When you purchase through links on our site, we may earn an affiliate commission. The number one destroyer of compasses and any enclosed items like these is moisture. When youre on this line and are facing true north, magnetic north lines up perfectly, too. 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). 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 lensatic compass is used by the U.S. Military. Orienteering vs. Lensatic Compass: How do they compare? Move the lens holder: Slightly push forward the lens holder. Return from Lensatic Compass to How to Use a Compass. Plotting a bearing on a map using a round lensatic compass - MapTools In this video below,the user walks through the elements of a USGI lensatic compass, and how to properly use one. How you can Read an Engineer Compass - Physics | ScienceBriefss.com How to Use a Lensatic Compass - Carnegie Museum of Natural History You discover that it has a bearing of 176. 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. Welcome back to the Land Navigation Manual for the Art of Manliness. The how to orient a map using a compass is a skill that can be used in the outdoors. slide 1 to 3 of 3. Turn the map and compass together until the azimuth sighted lies under the Index Line. Then tilt the mirror until you can see straight down into the bezel. Look at the index line and read the number. PARTS OF THE LENSATIC COMPASS Compass, Lensatic, US Army, closeup: 2 (From another source) 1. Plot a line on the map from Saddle Mountain at 130. Read the azimuth: Lastly, ensuring the dial is floating, look down on it and read the azimuth. Take a bearing to a visible landmark using your compass. How to Use a Lensatic Compass: Guide for Hikers Using your compass, take a heading to a visible landmark. Best Overall. Hold the compass steady and level, and up to your face. Thank you for signing up to Advnture. How to use a lensatic compass - SlideShare brunton classic compass You want to find your position using the technique of partial resection, so you need to know that tower's bearing with a high degree of accuracy. 3. Position of the point. 2. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. You can figure this out with a little compass work. Open the compass: Let the cover and the base form a 90-degree angle. Once you know that you're facing north, rotate the compass so that the luminous line is over the 170-degree mark. 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. NY 10036. You then see where the line you drew intersects with the protractor's numbers, in this case 062 degrees. References required related fm 3 2526 land navigation Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. Turn your map so that north on the map, points in the same direction as the needle. Put that hand up to the compass, steadying the compass by placing your index finger along the compass's side, and wrapping your thumb between the bezel ring and the rear sight. 5. 2. 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. Your compass is now set. 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. surface. Sound complicated? 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. You dont have your point position. Housing lines should be parallel to the vertical grid lines on the map. Youll want to stick to areas that are cool and dry, and dont offer any immediate threats to technological devices. 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. Bear in mind that an east declination value will be a positive number, and a west declination value will be a negative number.
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