how to orient a map using a lensatic compass

Its a bit tricky, but once you get the hang of it, youre solid. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. Lay your compass on the map and line up its edge with a known landmark. 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. Place map on flat surface (not metal) 2. Orient a map using a lensatic compass by Jessica Lanier A lensatic compass is just one of the many navigational tools we have built. Conversely, the black end of the compass needle should be pointing south. 4. Below, we offer a short, straight-talking guide to how its done. Orient you compass with the bearing, and draw the bearing line. (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. The instructions on this page might make orienting a map seem a highly technical thing. Adjust the compass bezel so that north on the compass corresponds to north on the map. You then see where the line you drew intersects with the protractor's numbers, in this case 062 degrees. 3. How to Pack a Backpack Are You Doing it Right? (Be sure you understand magnetic declination. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. Land Navigation: How to Orient With a Map & Compass Now draw the bearing line using the edge of the compass, and extending it in the desired direction. The first step of orienting with our map and compass is to make sure north on the map lines up with north in our terrain. This step comes after aligning our map and compass needle to magnetic north if using a compass that doesnt have a declination adjustment key. How you can Read an Engineer Compass - Physics | ScienceBriefss.com Use your index finger to steady the front of the compass. The lensatic compass is used by the U.S. Military. We just dont know where we are. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map. How to Determine the Bearingof a Distant Object. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. At this point, your map is almost oriented. 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. Say your azimuth was 170 degrees. Check back next month for our final briefingon how tonavigate using MGRS coordinates, just like they do in the military. You notice another mountain peak out in the distance, but you dont know what its called. Because most of the components are housed in a casing, moisture can wreak havoc once its in there. Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. You will receive a verification email shortly. NB. Were going to figure out where we are on that line now. 1. If you dont start out using your lensatic compass with a map, then its just a regular compass. Method #2. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map. Open the cover completely and pull back the rear sight. As a result, your real bearing is 166. A lensatic compass features a small pop-out area for your thumb, and a lid on top of the main compass body. Suunto M-3 Compass. 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. Its a subtle difference, but its a roundabout way of saying lensatic compasses are less prone to interference than others. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. It typically consists of a magnetized needle that is mounted on a pivot and placed inside a circular housing. Lets return to Muir Woods as an example. How to Use a Lensatic Compass - Carnegie Museum of Natural History Your map is now aligned to magnetic north. 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. Open the compass: Let the cover and the base form a 90-degree angle. Hiking Compas - walmart.com 5. Position of the point. Place your map on a horizontal surface and then place the compass on the map so that the orienting arrow points to true north on the map. (1) Compass-to-cheek method (figure C-21). Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. When you point your compass towards true north, the needle will point slightly east. Reserve! 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. Take your compass and line up the edges with the north-south gridlines on your map. What happens if you dont compensate for declination with your compass? Brett May 23, 2016 Last updated: June 2, 2021. 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. When you do know exactly where you are in relation to your map, you have your point position.. Most people have never heard of them, but soon enough, youre going to be a master at using them. Related Tags. Identify your approximate location on your map. Turn the little screw using a small screwdriver or the little metal piece that comes with your compass lanyard. Take a bearing to a visible landmark using your compass. The red end of the needle must be pointing to the top of the map. Line your orienteering compass's base plate up with the map's north-south lines. Enroll in my personalized step-by-step video-based online course. PDF Lensatic Compass or Military Compass Basic Use. - Survival Primer Then tilt the mirror until you can see straight down into the bezel. A lightweight, well-engineered orienteering compass from the Finnish company that helped set the gold standard in navigation. You will not be using it for the center-hold technique. . Orient a map using a lensatic compass by Aaron Laforteza - Prezi Step 2: line the compass up with the map. Fortunately, orienting your map is simple. Wrap your middle, ring and pinky finger around your thumb for support. (They are oriented to Grid North, which is not necessarily the same as . Advnture is part of Future US Inc, an international media group and leading digital publisher. Looking at the photo below, let's say you're at the north end of Sheeler Lake, where the penciled X is. 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. 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. From the compass, to GPS, to now even your mobile devicetheres no shortage of navigational tools. 1. Heres how it works. Now $7.56. Hold your compass in the two-hand hold, steady and level in front of you. Plus, as a web site visitor, you get a 50% discount off the regular price, meaning you get the whole course for $10. Assume youve climbed to the top of Camels Hump in Vermont. 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. Place compass on top of map. Check to see if the north directional arrow is inline with the arrow/line of the compass. Hold it square and straight in front of you like you mean business. Land Navigation 101: Pinpoint Your Location, Orient the Map Lensatic compasses are used by the United States military for a reason. 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. List of Ten Best Compass For Hunting Top Picks 2023 Reviews Once you are physically at your starting location, its time to put your compass to good use. The variation between magnetic north and true north is currently so minor that this can generally be ignored. Assume youre southeast of Saddle Mountain and northeast of a few of lesser peaks. 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. Instructions for the US Army Lensatic Compass. Contains - YUMPU The lensatic compass must always be held level and firm when sighting on an object and reading an azimuth. When it comes to how to orientate a map, there are two main ways to do it. Now, hold the compass level and squarely in front of you. Orienting the Map with anOrienteering Compass. Compass: Definitions and Examples - Club Z! Tutoring The rear bearing is at a 50-degree angle. In this case, it would be 204 (24+180). PART 1 Basic Land Navigation USING THE MILITARY LENSATIC COMPASS Module 6 Map Information. Well, youre going to have to do some math with all your bearings to make sure you get a true bearing. How to Use a Lensatic Compass for Beginners - PREPAREDNESS ADVICE Make an "L" shape with the index finger and thumb of your other hand. For instance, line up roads, mountains, water towersany terrain features that stand out enough to make orienting the map possible. Make sure the degrees of the dial are readable. The first step is to always take a compass bearing. 1. Keep doing this until you get to where you want to go. Well, that is, unless you're doing something silly like holding the compass backwards. 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. Imagine that you want to hold it as if it were firmly mounted in that position. 3. Youve got your trusty compass and a map of the area, but you dont know exactly where you are in relation to the map. Youll want to turn it until that black arrow outline is lined up with the 4E hash mark. 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. 1. 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. 4. Land Navigation Flashcards | Quizlet How to Use a Lensatic Compass: Guide for Hikers Plot a line on the map from Saddle Mountain at 130. There is no declination, and you do not need to adjust your compass. Line your lensatic compasss base plate up with the maps north-south lines. Steady the compass by allowing the hand holding the compass to rest in the cupped palm of your other hand. Declination is the angle formed by true north and magnetic north. Brunton TruArc 8010 Classic Map Luminous Compass Brunton TruArc 8010 Classic Map Luminous Compass Item # WX2- 715075 / Mfg. Another trick for declination when your compass cant adjust for it is to create your own declination arrow out of masking tape and tape it beneath your compass under the correct declination degree hash (This will only work if your compass has a clear base). Have you noticed the agonic line? Set Up Your Compass Faster & More Accurately With A Map Protractor . How to Use a Compass: The Ultimate Guide to Navigation To begin, use your compass to locate a peak on Saddle Mountain. Using the rotating bezel, turn it until the direction of travel arrow lines up with the north arrow. How Should I Set My GPS and Compass? 2. If the magnetic declinationin your area were zero, you'd proceed in the direction of 062 degrees. 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. Orient your map so that its lined up with magnetic north (see above). With the map level, place the compass . 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. Youve orientated the map. 1. 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. Your lens piece will appear just above your thumb loop. Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. Finally, read the number on the rim of the compass. You don't want to hold it crooked, cockeyed, or off level. Isnt that a little black arrow outline? On your map, shoot the back bearing that you just took with your compass from the top of Saddle Mountain. So there you have it. 3. Next, turn the compass housing so that the index pointer corresponds to the number of degrees of the magnetic declination. The how to orient a map using a compass is a skill that can be used in the outdoors. If youre facing south, but are holding the map right side up, everything on your map is going to be ass-backwards. "}},{"@type":"Question","name":"How do you orient a map to ground? Lastly, the reading lens also helps cover the compass and folds out; this is where the term lensatic comes from. To prevent this issue, well tweak our compass to account for declination. Please refresh the page and try again. The U.S. military M-1950 lensatic compass shown in this video is still in use today. PPT - USING THE MILITARY LENSATIC COMPASS PowerPoint Presentation, free Take a compass bearing on the peak to your southwest. Best Compasses (Review & Buying Guide) in 2023 - Task & Purpose Step 2: Line up your lensatic compass with the North Star and make sure the index mark is on the star. Youre somewhere on that line, so you know have a line position. and compass together is to orient the map towards north simply align the map merid, figure 10b while keeping compass edge on landmark pivot compass until magnetized needle is centered within orienting arrow plot bearing on map by drawing line from landmark using the edge of the compass figure 10c 1 how a compass works your compass is a . Your compass is now set. 3. Positioned the cover of the compass toward the top of the map. 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. Simply look for distinguishable landmarks that are marked on the map, and turn so that both you and the map are facing this object. Your action from here depends on the value and direction of your declinationeast or west. Hold the compass steady and level, and up to your face. Boom. Once you know that you're facing north, rotate the compass so that the luminous line is over the 170-degree mark. Determine the correct magnetic azimuth to the designated point within 3 degrees using the compass-to-cheek method, or within 10 degrees using the center-hold method. You see that the mountain is 24 in relation to you. Orient a Map Using a Lensatic Compass 071-329-1011 Conditions: Standards: Orient the map to the ground using a compass. Positioned the cover of the compass toward the top of the map. Plot a line on the map using the mountains rear bearing. 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 . But heres where things get tricky: the angle of declination changes depending where you are on the earth. The map is now oriented to the terrain. Step 4: Walk along the path and make sure your compass always points North. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. The instances navigation needs to be most spot-on are when visibility is compromised. $7.20. 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. For this example, were going to go to the Wichita Mountains Wildlife Refuge in Oklahoma. Declination was taken into account while adjusting the compass. Find two or three easily identifiable features or landmarks on your map and then try to identify them in the terrain, or vice-versa. Now were going to find out where exactly we are on that line. Module 11 Plotting Position Coordinates exact positioning, used to communicate to others with a What if you dont have access to a compass that can compensate for declination? 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. You need to know where youre going before toying with the compass. A visualization depicting the Soldiers Manual of Common Tasks (STP 21-1-SMCT) task Orient a Map Using a Lensatic Compass (071-COM-1011). orient a map to the ground by map-terrain association, Sunday Firesides: Become an Evangelist . Once you've got the bearing you can transfer it to the map. 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. You can use this feature to set your compass in the dark. 2. Come on in and save lots of money! Thats 130 degrees. PDF 071-329-1011 Conditions: Standards - PBworks Orienting, or aligning, the map is really easy with just 3 steps: Lay your map out on a relatively flat, smooth surface. Any kinds of magnets whatsoever. Look directly down on the top (smaller card) of compass to view general orientation cardinal points. How to Orient a Map: Navigation 101 - My Open Country But heres the catch: depending on where you are on the planet, the angle of declination varies. Take a bearing on the mountain thats southwest from you. Hold the compass at eye level and point it at the object. Look through the lens and sighting line. So in this installment, well go over the skills you need to do just that. NY 10036. 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. 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. Most lensatic compasses are designed to withstand moisture to a certain extent, but nobody makes them perfect. This can be done either by (1) rotating the map the requisite number of degrees east or west or (2) holding the baseplate firmly, rotate the compass housing to the correct number of degrees west or east to account for the declination. Your email address will not be published. Close is good enough in horsehoes, but I'm hoping exact is the standard for artillery fire. Standard compasses use floating dials, but lensatic compasses use a damping mechanism powered by electromagnetic induction. In this guide, we will be covering the following: The first step to successful navigation with a map and compass in the backcountry is correctly orienting your map. Shoot the reverse bearing you got with your compass from the top of Saddle Mountain on your map. The degrees are in red, and are the ring's inner measurements. To orientate the map, rotate both the map and compass together until the red compass needle and the red orientating arrow match up. Turn the compass dial so that the bearing intersects the index line (2). The legend. In this case, it 15 degrees positive (east). Its declination is recorded as 14E. Just follow these lensatic compass instructions: Open the compass: Let the cover and the base form a 90-degree angle. Read your compass (Figures 5-25 and 5-26). Required fields are marked *. Your map (and yourself) are now be orientated north. Well say the declination value is 10 degrees. Thats right Contours are king. When you face true north, magnetic north is roughly 14 degrees to the left, or west, of you. a. Throughout this procedure, were not utilizing it at all.). The lensatic compass is comprised of different parts compared to a baseplate compass. that it is pointing towards the top of the map. Choosing a selection results in a full page refresh. 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 . However, imagine youre in Muir Woods in San Francisco, facing true north. In my online video land-navigation course, I explain in lecture 20, how to orient a map. Step 2. This is because it is prepped to point instead to magnetic north once its lined up with your compass needle. PDF Landmark Compass Manual SEE IT. Find the magnetic declination on your map. How to Use a Compass to Get Your Bearings. Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. how to orient a map using a lensatic compass; how to orient a map in military; orient a map using a lensatic compass powerpoint Using the rotating bezel, turn it until the direction of travel arrow lines up with the north arrow. Performance Steps 1. Find out more atwww.alexfoxfield.com (opens in new tab). Lay the map out flat in front of you. 3. Orient a map using a lensatic compass