Position of the point. Let's have a look at the sources that constantly give favorable points. If you dont start out using your lensatic compass with a map, then its just a regular compass. Kieran James Cunningham is a climber, mountaineer, and author who divides his time between the Italian Alps, the US, and his native Scotland. 3. relation to a map. Well, that is, unless you're doing something silly like holding the compass backwards. Align the map so that the top of the map is parallel with the direction north based on the compass. If the contour interval is 10 meters, then what is the change in elevation of each intermediate contour . Huzzah! Boom. 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. Now were going to find out where exactly we are on that line. There are step-by-step to use a compass. For sighting purposes, we recommend using the compass-to-cheek method for better accuracy. north. Were not using it at all during this entire process.). When you return from using your lensatic compass, take it apart as much as possible to detect any moisture. to orient the map to find your position. This is sometimes referred to as putting red in the shed. Turn your entire body as a unit until 066 (062 + 004) degrees falls under your compass's fixed black index line. Then tilt the mirror until you can see straight down into the bezel. Turn the map and compass together until the red needle is pointing north. Finally, before setting off, be sure to do a quick check by looking around you to see that all features represented on your map are where they should be in the terrain. Orienting the Map with an Orienteering Compass. 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. To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. 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. Well say the declination value is 10 degrees. 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 . 3. Method #2. 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. New York, Check the declination of your local location on your map or on a website. Use a Compass to Plot Bearings on a Map. (Note: The magnetic compass needle should be ignored.) Your compass is now set. Below, we offer a short, straight-talking guide to how its done. ","acceptedAnswer":{"@type":"Answer","text":"A: To rotate a map in Beat Saber, you can hit the trigger button on your controller. Standard compasses use floating dials, but lensatic compasses use a damping mechanism powered by electromagnetic induction. When map reading, there are two ways to orient a mapby eye and with a compass. Tags: download Elcenter Course, mp3 download Elcenter Course, download mp3 Elcenter Course, mp3 gratis Elcenter Course, Elcenter Course lagu mp3 dan video mp4. How Should I Set My GPS and Compass? 4. For this example, were going to go to the Wichita Mountains Wildlife Refuge in Oklahoma. 4. True north is at the very top of the earth, while magnetic north is currently off the coast of Greenland. Map Reading and Land Navigation: FM 3-25.26. 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. B. This was developed for the Center for Initial Military Training, FT Eustis, Va. If you are interested in trying your hand at navigation with a lensatic compass, check out our Brunton 9077 Compass, and follow along with this video: If you are interested in trying your hand at navigation with a lensatic compass, check out our. 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. (1) Compass-to-cheek method (figure C-21). Sight an azimuth to any visible terrain feature that appears on the map. Take your compass and turn the compass housing (bezel) until the red orientating arrow is in line with the direction of travel arrow. Adjustable Declination Compasses. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction. Get your own customized topographical maps, built according to your specifications. 2. 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Copyright 2013-2019 Collingwood Publications LLC, Some of the best land navigators around are orienteers--those who participate in the cross-country running/map reading sport of orienteering. Adjust the compass bezel so that north on the compass corresponds to north on the map. Turn the compass cover more or less perpendicular to the base. Move the lens holder: Slightly push forward the lens holder. You can use this feature to set your compass in the dark. Magnetic North is 15 East. Determining a Bearing, or "Shooting an Azimuth", Using Your Compass Sights to "Shoot an Azimuth". Youll want to turn it until that black arrow outline is lined up with the 4E hash mark. Your lens piece will appear just above your thumb loop. Orient a Map Using a Lensatic Compass 071-329-1011 Conditions: Standards: Orient the map to the ground using a compass. Looking at the photo below, let's say you're at the north end of Sheeler Lake, where the penciled X is. Articles - Email - Linkedin - Facebook - Instagram. You can always orient your map with a working compass. You are missing your point location. 1. 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. Say your azimuth was 170 degrees. . Visit our corporate site (opens in new tab). Regardless, let's break it down into several steps: Open the compass cover at a 90-degree angle and then set the lens bracket at a 30-degree angle. 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. 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. This is why you should never take a bearing off a sheep. OEC G&V. Download. 2. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. Set your compass dial to 000 degrees. But its important to understand the different types of navigational toolsincluding a lensatic compass. 2. 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. Customize the template with smart fillable areas. To determine the direction, or bearing, from one point to another, you need a. compass as well as a map. Center-hold. Most people have never heard of them, but soon enough, youre going to be a master at using them. Lets break down the individual parts of a lensatic compass so you can understand every element behind how it works. The bezel clicks as it moves--three degrees for every click. 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. 9-4. Thank you for signing up to Advnture. Some of the components' terms are used in the explanations below. NY 10036. 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. EMERGENCY PREPAREDNESS & More: A Manual On Food Storage and Survival: 2nd Edition Revised and Updated. Place the compass on the map with one long edge of the baseplate running between the two points of interest. Identify where you are on the map and place the compass edge over this location. Hold it square and straight in front of you like you mean business. Make sure the travel direction arrow is pointed in the direction you want to go. Look directly down on the top (smaller card) of compass to view general orientation cardinal points. Youve got your trusty compass and a map of the area, but you dont know exactly where you are in relation to the map. Step 4: Walk along the path and make sure your compass always points North. A compass is a device used for navigation and orientation. These other objects can interfere with compasses, and no matter how miniscule the differences may seem, it can leave an impact. Its a bit tricky, but once you get the hang of it, youre solid. Put your compass on your map. We just dont know where exactly. Its 230 degrees in reference to your position, as you can see. 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. Keep it in a case, or wrapped up in a thick cloth to prevent those damages. Open the compass: Let the cover and the base form a 90-degree angle. You can, however, see the two points on your map. Once you master using a lensatic compass, it becomes the only way youll ever navigate around the wilderness moving forward. 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. 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. While this doesnt technically register as an electronic, were going to treat it like one. Turn your declination-adjusted compass dial so due North is at the index pointer. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. This may arise when you don't know your current position but have taken a back bearing from a visible landmark (1) you can identify on the map. They both use magnetization to help you find where you are and where youre going, but theres a catch. Travel to that landmark. It would be 204 (24+180) in this situation. 3. 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. Once you've got the bearing you can transfer it to the map. What if youre not on a route and just have a broad idea of where you are? So, how are you going to acquire your point position? Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. Keep doing this until you get to where you want to go. ), but youre not sure where. What if you dont have access to a compass that can compensate for declination? As a result, your real bearing is 166. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); MyOpenCountry is a participant in the Amazon Services LLC Associates Program. Sound complicated? Your cheek should be resting on the base of your thumb. 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. Preferred by military for its precision and. I guess the military needs the extra accuracy now and then say, for example, to precisely place artillery fire. This is a hard and fast guide on how to use your lensatic compass with a map, which is what it was designed for. You look out into the distance and you see another mountain peak, but you dont know the name of it. 5. One advantage is it's probably more accurate when it comes to "shooting azimuths," meaning the act of determining the specific compass direction to a spot on the earth.
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