how to orient a map using a lensatic compass
When the actual lens gets damaged, it unnecessarily impairs simple operation. 1. Want to start taking action on the content you read on AoM? This webpage may also be used to get current declinations. Isnt that a little black arrow outline? Designate your starting and ending points on the map. You can also plot a known compass bearing on the mapthe reverse process. 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. Some of the best land navigators around are orienteers--those who participate in the cross-country running/map reading sport of orienteering. 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 have your point location when you know precisely where you are in reference to your map. In this case, it would be 204 (24+180). 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. Photo: Wikipedia. Take a bearing to a visible landmark using your compass. We know were someplace south of Saddle Mountain on HW 115. Put the compass anywhere on top of the map. 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. A map and compass are useless unless you know how to use them properly. Hey, it happens! So in this episode, well go through the abilities youll need. Using a little screwdriver or the metal piece that came with your compass lanyard, turn the small screw. Come to think of it, I dont even know if he had a compass. If your destination is further than what the side edging allows for, you can use an actual ruler to align with the side of your compass edge to help you get to your destination. No worries. Now were going to find out where exactly we are on that line. Triangulate your position. At this point, your map is almost oriented. Have you noticed the agonic line? You want to know how to use a lensatic compass? Procedures. So, how are you going to acquire your point position? Pull the ring underneath the compass and put your thumb through. Once you master using a lensatic compass, it becomes the only way youll ever navigate around the wilderness moving forward. 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. Because most of the components are housed in a casing, moisture can wreak havoc once its in there. (Note: The magnetic compass needle should be ignored.) ), but youre not sure where. The method is to align the edge of the compass along the Magnetic North (MN) line, and then move the map and compass together until the compass needle points north. A Beginners Guide. Youll line up your needle with the tape arrow instead of the arrow on your compass. For sighting purposes, we recommend using the compass-to-cheek method for better accuracy. It will make it easier to understand why we adjust for declination in the first place. 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. relation to a map. Lensatic compasses are seasoned or experienced navigator tools. Youll want to stick to areas that are cool and dry, and dont offer any immediate threats to technological devices. You can use this feature to set your compass in the dark. The instances navigation needs to be most spot-on are when visibility is compromised. At least, I never saw him with one. Let's have a look at the sources that constantly give favorable points. Orient the map to the terrain. . Come on in and save lots of money! Using your location as a pivot, rotate the compass until north on the bezel is pointing to the top of the map and the compass housing orienting lines are parallel with the maps vertical grid lines. ? If your compass doesnt have a declination adjustment key, simply make the adjustment on the spot. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. Take a compass bearing on the peak to your southwest. to orient the map to find your position. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. Use a Compass to Plot Bearings on a Map. Youre somewhere on that line, so you know have a line position. Most people have never heard of them, but soon enough, youre going to be a master at using them. Line your orienteering compasss base plate up with the maps north-south lines. Aligned the side of the compass with one of the north-south grid lines. Place map on flat surface (not metal) 2. Point position. You discover that it has a bearing of 176. Lets return to Muir Woods as an example. Alex is a qualified Mountain Leader, adventure writer and content creator with an insatiable passion for the mountains. You see that the mountain is 24 in relation to you. PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. Use your thumb to pull the thumb ring back about halfway. Using the Centerhold Technique. I guess the military needs the extra accuracy now and then say, for example, to precisely place artillery fire. Look at which way the red needle is pointing. The back bearing is 50. We earn a commission if you click this link and make a purchase at no additional cost to you. Title: USING THE MILITARY LENSATIC COMPASS 1 USING THE MILITARY LENSATIC COMPASS PART 2 Intermediate Land Navigation Module 14 Travel Distance Estimation 2 . Knowing how to orientate a map is just one facet of the wider skill of knowing how to read a map. 4. 2. 3. The edge of the compass baseplate is now pointing in the direction of the visible landmark from which you took your bearing. Turn the bezel on your compass so that north on the compass points to north on the map. Using your location as a pivot, rotate the compass until north on the bezel is pointing to the top of the map and the compass housing orienting lines are parallel with the map's vertical grid lines. This is a hard and fast guide on how to use your lensatic compass with a map, which is what it was designed for. In your case, however, your declination is 004 degrees West, meaning you'll have to add 004 degrees before you set your compass. Pull your elbows firmly into your sides; this will place the compass between your chin and your belt. Get your own customized topographical maps, built according to your specifications. 3. 2. If youre facing south, but are holding the map right side up, everything on your map is going to be ass-backwards. durability, and its hyper-accuracy in land. To obtain a heading from our map, we may use our compass as a protractor. Hey, it happens! 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). Its one of the most versatile navigation tools we have available today. On your map, though, you can see the two spots. 4. Suunto M-3 Compass. 3. Its not as easy to get lost on land without a map and compass. Step 1 Orient the map. Take your compass and line up the edges with the north-south gridlines on your map. 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. [10] 4. Used the G-M angle formed by the . 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! 5. Now $7.56. ? 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. My magnetic declination is 4E, so Ill be moving the black arrow outline towards the red hash marks that are going towards E DECL.. Enroll in my personalized step-by-step video-based online course. Orienting the Map with anOrienteering Compass. Now it's time to take out the map. 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). The My Open Country name is registered with the U.S. Patent and Trademark Office. 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 task, the lensatic compass really shines. On the map, you are where the line connects with the highway. Step 3: Find a path that leads to the horizon. All Rights Reserved. 5. The angle between true north and magnetic north is declination. Brett May 23, 2016 Last updated: June 2, 2021. Flip up the lid to a 90-degree angle. In such orientation we use a lensatic scale. Map Reading and Land Navigation: FM 3-25.26. Remember declination from Part I? $7.20. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map."}}]}. Pencarian Terakhir Elcenter Course Zindagi Ban Gy Ho Tum The basics of orienting yourself with a map and compass. Just follow these lensatic compass instructions: Open the compass: Let the cover and the base form a 90-degree angle. Magnetic north lines up exactly when youre on this line and facing true north. 4. But not to you, I trust. orient a map to the ground by map-terrain association, Sunday Firesides: Become an Evangelist . c. There are two methods of holding the lensatic compass and sighting. Set your compass dial to 000 degrees. We guide you on how to orientate a map with or without your compass so that you can navigate your way through the backcountry. Using the approach described above, plot that bearing on the map. surface. When you have a line location, you know youre on a maps recognizable line (trail, ridge line, etc. To avoid that problem, lets adjust our compass to take declination into account. Its not unheard of for hikers to accidentally read their map upside down and end up facing south, rather than north. You can use it to find your bearings in any direction you need to go. A: To rotate a map in Beat Saber, you can hit the trigger button on your controller. 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The courses of streams change, field boundaries move, new hedgerows are built, walls are plundered for buildings, glaciers melt, roads and bridges are washed away by floods, houses are knocked down and rebuilt somewhere else. If youre in the Adirondacks, youll want to add 14 so your true bearing would be 194. 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. NY 10036. It is easy to learn and it can be done with just a map and compass. SMCT Orient a Map Using a Lensatic Compass. 2. You just need one more piece of information to figure out exactly where you are on the map. But it isnt just magnets there are other culprits at play, here. In my online video land-navigation course, I explain in lecture 20, how to orient a map. functional from -50F to 150F. How To Get Your Map and Compass To Face the Same Direction. So, if youre in Muir Woods and your compass has a bearing of 180, youll want to subtract 14. Before we do that, lets take a closer look at declination. Your map is now aligned to magnetic north. A lensatic compass features a small pop-out area for your thumb, and a lid on top of the main compass body. What wildlife can you see at Yellowstone National Park? Heres how it works. Gently pull the lid down until the sighting line is visible through the lens. Method #1. The rear bearing is at a 50-degree angle. However, we should be able to figure it out rather quickly. Place your compass base plate on your map so the edge of the compass is aligned with the north-south meridian lines. Where the second line intersects with the first is where youre at on the map, more or less. You can use this feature to set your compass in the dark. Taking each features relative shape, height and distance away into consideration, you should be able to start to match them to the contour features on the map. Positioned the cover of the compass toward the top of the map. At this point, your map is almost oriented. The big idea normally is to have your map more or less line up with the terrain so you can make sense of where things are around you. What is the preferred method of using a lensatic compass when reading magnetic azimuths. Navigate to your map. Thats 130 degrees. Above: For this example in the Grand Canyon, grid north ("GN") differs from true . The narration and imagery may seem old-timey in this era of high-def computer graphics . Close is good enough in horsehoes, but I'm hoping exact is the standard for artillery fire. 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. Assume youre in the Adirondack Mountains of New York. You will not be using it for the center-hold technique. ","acceptedAnswer":{"@type":"Answer","text":"A: To rotate a map in Beat Saber, you can hit the trigger button on your controller. Take that bearing and plot it on the map using the technique explained above. Return from Lensatic Compass to How to Use a Compass. Shoot the reverse bearing you got with your compass from the top of Saddle Mountain on your map. Lay your map out in front of you on a relatively flat and smooth (and dry!) Hand placement: Insert your thumb through the thumb loop and the index finger along the compass. You notice another mountain peak out in the distance, but you dont know what its called. To get among the sources, you can discover the fascinating point to acquire. Line your orienteering compass's base plate up with the map's north-south lines. 1. As we can see, the area Im in has a declination of 4E. 2. So your true bearing would be 166. This makes it easier to relate what you see on the map with what you see on the ground. Using the rotating bezel, turn it until the direction of travel arrow lines up with the north arrow. that it is pointing towards the top of the map. Turn your compass on its side. We may use the map to identify any landmark we observe in our landscape once we know our point location. You learn that it has a 176 bearing. Open the compass all the way so that the cover locks into position against the base, forming a straightedge along the left side. 1 color. Turn the compass cover more or less perpendicular to the base. (2) Keep the compass aligned as directed above while . 1. NB. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API. Hold the compass at eye level and point it at the object. Want a free ebook on Land Navigation? The base is the compass dial, bezel, and the thumb loopthe thumb loop is used for stability to garner a more accurate reading. Keep it in a case, or wrapped up in a thick cloth to prevent those damages. Through his hiking, mountaineering, climbing and trail running adventures, Alex aims to inspire others to get outdoors. As magnetic north changes depending on where you are in the world, you have to ensure you adjust your compass accordingly. Take a bearing to a visible landmark using your compass. Identify where you are on the map and place the compass edge over this location. Line it up with that. Check back next month for our final briefingon how tonavigate using MGRS coordinates, just like they do in the military. A lightweight, well-engineered orienteering compass from the Finnish company that helped set the gold standard in navigation. 2. What happens if you dont compensate for declination with your compass? Magnetic north is now off the coast of Greenland, but true north is at the very top of the world. With the thumb loop all the way down under the compass, put the thumb of one hand all the way inside the loop, and place the index finger of that same hand along one side of the compass. Look through the sighting slot and find some target (a tree, boulder, whatever) that lines up with your sighting wire. When this happens, its time to orientate using a compass. Lay the map out flat in front of you. 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. Wrap your middle, ring and pinky finger around your thumb for support. He is currently the President of the London Mountaineering Club, training to become a Winter Mountain Leader, looking to finally finish bagging all the Wainwright fells of the Lake District and hoping to scale more Alpine 4000ers when circumstances allow. 5. When you have a line position, you know that youre on some identifiable line on the map (trail, ridge line, etc. Visit our corporate site (opens in new tab). You can always orient your map with a working compass. When you do know exactly where you are in relation to your map, you have your point position.. 3. He did this for ten days, taking us across numerous waterways and lakes. 2. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. You will receive a verification email shortly. Uses a retractable lens to read the bearing while. Most lensatic compasses are designed to withstand moisture to a certain extent, but nobody makes them perfect. Were going to use the back bearing of that to plot a line from Saddle Mountain towards our general direction on the map. Looking at the map is an easy way of finding which direction north or east are relative to your current position. Now repeat step 3 above and youre good to go. how to orient a map using a lensatic compass; how to orient a map in military; orient a map using a lensatic compass powerpoint To use the terrain to orient a map, you must be familiar with symbols used on the map. Once you've got the bearing you can transfer it to the map. PARTS OF THE LENSATIC COMPASS Compass, Lensatic, US Army, closeup: 2 (From another source) 1. 2. Place the compass flat on the map with the travel arrow pointed in the general direction of north and one of the base plate's long edges linking your location and your destination; you may need a straight-edge to make the connection, depending on the map's scale and the distance to be covered. Turn the map and compass until the needle on the compass aligns with the north-south grid lines on the map. Some of the components' terms are used in the explanations below. Your lens piece will appear just above your thumb loop. Rotate the compass dial until north on the compass ring lines up with north on the map. The variation between magnetic north and true north is currently so minor that this can generally be ignored. 3. We may then use our compass to begin going in the direction we need to go in order to reach our destination. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. Take your compass and line up the edges with the north-south gridlines on your map. 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. The compass baseplates edge is now pointed in the direction of the visible landmark you used to get your bearing. If youre in the Adirondacks, add 14 degrees to get a correct bearing of 194 degrees. Were ready to start orienting ourselves now that our compass has been corrected for local declination. Assume youve climbed to the top of Camels Hump in Vermont. 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.