When youre on this line and are facing true north, magnetic north lines up perfectly, too. Use the lens to look through the sighting line to find another landmark, and repeat until you reach your destination. Lay your compass on the map and line up its edge with a known landmark. You want to know how to use a lensatic compass? The lensatic compass is comprised of different parts compared to a baseplate compass. From the compass, to GPS, to now even your mobile devicetheres no shortage of navigational tools. Now, hold the compass level and squarely in front of you. There are 2 ways to do this - using landmarks or using a compass. In my. Steady the compass by allowing the hand holding the compass to rest in the cupped palm of your other hand. Great article! 4. In this situation, you can use your compass to work out which direction magnetic north is and orientate from there. Fill in the empty areas; concerned parties names, places of residence and phone numbers etc. On your map, though, you can see the two spots. Well, youre going to have to do some math with all your bearings to make sure you get a true bearing. When you purchase through links on our site, we may earn an affiliate commission. "}},{"@type":"Question","name":"How do you do map orientation? 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. More or less, where the second line meets the first is where you are on the map. When moisture seeps into the lens case of your lensatic compass, it causes major problems. Place your compass on your map with the edge of the baseplate parallel to the north-south meridians on the map. However, imagine youre in Muir Woods in San Francisco, facing true north. When you point your compass towards true north, the needle will point slightly east. Yeah, book is the most effective tool that can be made use of for affecting your life. This is because it is prepped to point instead to magnetic north once it's lined up with your compass needle. Aligned the side of the compass with one of the north-south grid lines. He did this for ten days, taking us across numerous waterways and lakes. 3. ), but youre not sure where. The legend. Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. If your local declination is east of the agonic line, youll need to add the declination to your compass bearing; if its west of the agonic line, youll need to remove the declination from your compass bearing. See that little black outline of an arrow? Articles - Email - Linkedin - Facebook - Instagram. 5. Youll want to stick to areas that are cool and dry, and dont offer any immediate threats to technological devices. Heres how it works. Declination was taken into account while adjusting the compass. Once you are physically at your starting location, it's time to put your compass to good use. They could be your saving grace during a SHTF situation. It. Were going to figure out where we are on that line now. You can also use this website to get up to date declinations. Fortunately, orienting your map is simple. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); MyOpenCountry is a participant in the Amazon Services LLC Associates Program. 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. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow . Declination is the angle formed by true north and magnetic north. 2. Using a little screwdriver or the metal piece that came with your compass lanyard, turn the small screw. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. 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). Your compass is now set. Thats right Contours are king. To figure out precisely where you are on the map, you simply need one more piece of information. 1. Ethan Allan thats the peak you saw. You see that its 310 in relation to you. True north and magnetic north are not the same, as stated in Part I. Contours are king. You see that the mountain is 24 in relation to you. Orient you compass with the bearing, and draw the bearing line. The housing is marked with cardinal points, typically north, south, east, and west, which . Step 2: line the compass up with the map. You are missing your point location. Well, that is, unless you're doing something silly like holding the compass backwards. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. My 159-page, fully illustrated book is yours for the asking. 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. Make an "L" shape with the index finger and thumb of your other hand. What happens if you dont compensate for declination with your compass? 3. Now that were putting compass to map, we need to adjust for it so that we can accurately orient and navigate. Look at the red needle to see which direction it is pointing. 2 a. Orient the map using the first technique. Look through the lens and sighting line. Open the cover completely and pull back the rear sight. To make sure you receive a correct bearing, youll have to perform some arithmetic with all of your bearings. At the summit of Saddle Mountain, take a bearing using your compass. 1. ? "}},{"@type":"Question","name":"How do you orient a map to ground? You don't want to hold it crooked, cockeyed, or off level. The United States military needs to know how to navigate on land when all digital systems fail. how to orient a map using a lensatic compass; how to orient a map in military; orient a map using a lensatic compass powerpoint Magnetic North is 15 East. It typically consists of a magnetized needle that is mounted on a pivot and placed inside a circular housing. He is currently working towards qualifying as a Mountaineering and Climbing Instructor and International Mountain Leader. Read the azimuth: Lastly, ensuring the dial is floating, look down on it and read the azimuth. So in this episode, well go through the abilities youll need. We still need to understand where we are in reference to our map how to orient ourselves before we can start really navigating, which well cover in Part III of this series. A good temperature of 65F to 78 should keep the humidity down and help preserve the structural integrity of the compass. Move the lens holder: Slightly push forward the lens holder. Pull the ring underneath the compass and put your thumb through. 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. We may then use our compass to begin going in the direction we need to go in order to reach our destination. Double-check by making sure the map title or legend text is the correct way up, or find the maps north arrow. 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. My magnetic declination is 4E, so Ill be moving the black arrow outline towards the red hash marks that are going towards E DECL.. Well, that is, unless you're doing something silly like holding the compass backwards. Once you've got the bearing you can transfer it to the map. Go to your map. The basics of orienting yourself with a map and compass. Keep it in a case, or wrapped up in a thick cloth to prevent those damages. When you face true north, magnetic north is going to be left, or west, of you by about 14. 3.30 MB. Below, we offer a short, straight-talking guide to how its done. 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. If not, recalibrate before continuing. Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. This webpage may also be used to get current declinations. USING A COMPASS Magnetic azimuths are determined with the use of magnetic instruments, such as lensatic and M2 compasses. 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. If your map already has a line to show magnetic declination, you can take your compass and line its edges up along this. Brett May 23, 2016 Last updated: June 2, 2021. My 159-page, fully illustrated book is yours for the asking. 3. Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. As magnetic north changes depending on where you are in the world, you have to ensure you adjust your compass accordingly. We just dont know where we are. Standard compasses use floating dials, but lensatic compasses use a damping mechanism powered by electromagnetic induction. Place the compass on the map with one long edge of the baseplate running between the two points of interest. Hey, it happens! Get my Land Navigation coursehere. Orienting the Map with anOrienteering 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. Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. Using the Centerhold Technique. Mt. Overview. 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. All you have to do now is take a bearing towards the unnamed mountain. The edge of the compass baseplate is now pointing in the direction of the visible landmark from which you took your bearing. The housing lines should be parallel with the maps vertical grid lines. Turn the compass dial so that the bearing intersects the index line (2). Open the cover completely and pull back the rear sight. A lightweight, well-engineered orienteering compass from the Finnish company that helped set the gold standard in navigation. While this doesnt technically register as an electronic, were going to treat it like one. Holding the compass up to your face, angle the rear sight so that you can read the compass dial clearly through the lens while peering through the sighting slot and lining your distant target (the water tower, in this case) up with the sighting wire. Instead of using your compasss arrow, youll align your needle with the tape arrow. 1 color. Kieran James Cunningham is a climber, mountaineer, and author who divides his time between the Italian Alps, the US, and his native Scotland. 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. He climbs when he should be writing, writes when he should be sleeping, has fun always. Looking at the map is an easy way of finding which direction north or east are relative to your current position. To determine the direction, or bearing, from one point to another, you need a. compass as well as a map. 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. Sight: Now peek through the rear sight slot, aligning the sighting wire or the front sight to the desired direction or object. 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. A map so lined up is easier to interpret and follow than a map spread out haphazardly. The red end of the needle must be pointing to the top of the map. Sight an azimuth to any visible terrain feature that appears on the map. Orient your map so that its lined up with magnetic north (see above). 3. Adjust the compass bezel so that north on the compass corresponds to north on 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. 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. 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 . Method #1. . That has the potential to make a significant impact! PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. relation to a map. Its a bit tricky, but once you get the hang of it, youre solid. It would be 204 (24+180) in this situation. As you can see, the declination of the location Im in is 4E. B. Using the approach described above, plot that bearing on the map. The lensatic compass must always be held level and firm when sighting on an object and reading an azimuth. Let's say you see a water tower off in the distance. Casio's latest G-Shock watch could be a serious Garmin rival. c. There are two methods of holding the lensatic compass and sighting. In this video below,the user walks through the elements of a USGI lensatic compass, and how to properly use one. Look through the sighting slot and find some target (a tree, boulder, whatever) that lines up with your sighting wire. To use the terrain to orient a map, you must be familiar with symbols used on the map. Use your index finger to steady the front of the compass. Line it up with that. Here's an example from an older map of the Grand Canyon. Now $7.56. There are step-by-step to use a compass. 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 . This latter option is a cheat since grid lines have their own declination value. 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. Adjustable Declination Compasses. 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). It has its advantages and disadvantages over the orienteering compass. Most people have never heard of them, but soon enough, youre going to be a master at using them. Tilt it forwards until you can see your sighting arrow. From point A to point B, thats your bearing. Want a free ebook on Land Navigation? You learn that it has a 176 bearing. Move the lens holder: Slightly push forward the lens holder. Pencarian Terakhir Elcenter Course Zindagi Ban Gy Ho Tum Step 1: Find the North Star. Gently pull the lid down until the sighting line is visible through the lens. Stand so that you can see where the north arrow is pointing, and where your direction of travel arrow is pointing. You cant shoot a bearing on the end point in your terrain since you cant see it. 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. Turn the map and compass together until the red needle is pointing north. There's another way to orientate a map using a compass that starts slightly differently to what was explained above. The compass baseplates edge is now pointed in the direction of the visible landmark you used to get your bearing. 2. When it comes to how to orientate a map, there are two main ways to do it. Any kinds of magnets whatsoever. Were not using it at all during this entire process.). Or maybe using the sun to help put your map somewhat the right way around. 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. Lay the map out flat in front of you. Save my name, email, and website in this browser for the next time I comment. Navigate to your map. 1. It is easy to learn and it can be done with just a map and compass. It will make it easier to understand why we adjust for declination in the first place. When you do know exactly where you are in relation to your map, you have your point position.. The lensatic compass is used by the U.S. Military. As a result, its declination would be 14 degrees west. Most compasses are marked with the four cardinal. Picture 1: Map Declination. Related Tags. Reserve! 3 . (Note: The magnetic compass needle should be ignored.) To use this method (a) Open the cover to a 90-degree angle to the base. Housing lines should be parallel to the vertical grid lines on the map. 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. 5. 2. 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 . Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. In this case, it would be 204 (24+180). Wrap your middle, ring and pinky finger around your thumb for support. You see that its 230 in relation to your location. Lensatic compasses are made up of three parts: cover, base, and reading lens. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. Now its time to store your compass. 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. Theyre not traditionally used for camping trips or simple navigation, but if youre serious about prepping, this is a must-have in your EDC bag and bug out bag. Its not an issue. (Note: Ignore the magnetic compass needle. Lets go back to our Muir Woods example. Let's have a look at the sources that constantly give favorable points. Line up your map with what you see around you. This was developed for the Center for Initial Military Training, FT Eustis, Va. 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. Were ready to start orienting ourselves now that our compass has been corrected for local declination. Thank you for signing up to Advnture. Hand placement: Insert your thumb through the thumb loop and the index finger along the compass. But heres the catch: depending on where you are on the planet, the angle of declination varies. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. But lets say youre in the Muir Woods near San Francisco and youre facing true north. 4. Line up the meridian lines (the parallel lines inside the bezel) with a north/south grid line on the map. First, use your compass to get a bearing on a peak of Saddle Mountain. 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. 4. Assume youre in the Adirondack Mountains of New York. Youre on that line, so you know where youre standing. Without getting over-complicated, a standard compass is different from a lensatic compass. 2. A lensatic compass features a small pop-out area for your thumb, and a lid on top of the main compass body. Lets break down the individual parts of a lensatic compass so you can understand every element behind how it works. In such orientation we use a lensatic scale. When the actual lens gets damaged, it unnecessarily impairs simple operation. Pros . Its not as easy to get lost on land without a map and compass. Enroll in my personalized step-by-step video-based online course. With the map level, place the compass . Thanks so much for sharing! The how to orient a map using a compass is a skill that can be used in the outdoors. So, if youre at Muir Woods and your compass reads 180 degrees, subtract 14 degrees. Lensatic compasses are seasoned or experienced navigator tools. Position in the area. Get my Land Navigation coursehere. Dont worry that your red orientating arrow doesnt point exactly map north. So in this installment, well go over the skills you need to do just that. 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. Make sure the degrees of the dial are readable. Shoot a bearing with your compass at the peak of Saddle Mountain. Choosing a selection results in a full page refresh. Everything on your map will be reversed if youre looking south and holding the map right side up. If your compass doesnt have a declination adjustment key, simply make the adjustment on the spot. orient a map to the ground by map-terrain association, Sunday Firesides: Become an Evangelist . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); What is a Lensatic Compass and How to Use Them? 3 Navigation: Compass Basics Read, Understand, and Remember! If the magnetic declinationin your area were zero, you'd proceed in the direction of 062 degrees. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. When this happens, its time to orientate using a compass. 2. 4. If the local declination is negative, add the declination amount . My 159-page, fully illustrated book is yours for the asking. What's that? You can use this feature to set your compass in the dark. Using the side of your compass, draw a line towards the highway that youre on. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. Hold the compass steady and level, and up to your face. Then, you place your protractor on the map with its center point at your current position, making sure the north-south lines on the protractor line up with the north-south lines on the map. 1. Huzzah! A compass needle aligns with the magnetic fields in the Earth, which is what it uses to help you find true north. To obtain a heading from our map, we may use our compass as a protractor. The number one destroyer of compasses and any enclosed items like these is moisture. 3. It's important to hold your compass stable, squarely in front of you, and level. Use a Compass to Plot Bearings on a Map. . Turn your map so that north on the map corresponds to the needles orientation. Your action from here depends on the value and direction of your declinationeast or west. For this task, the lensatic compass really shines. Huzzah!

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