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Apr 21

how to orient a map using a lensatic compass

The compass baseplates edge is now pointed in the direction of the visible landmark you used to get your bearing. To begin, use your compass to locate a peak on Saddle Mountain. Identify where you are on the map and place the compass edge over this location. Land Navigation: How to Orient With a Map & Compass If youre in the Adirondacks, add 14 degrees to get a correct bearing of 194 degrees. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. Place map on flat surface (not metal) 2. Double-check by making sure the map title or legend text is the correct way up, or find the maps north arrow. Survival Compass, Military Compass Hiking, Orienteering Lensatic Compass, Waterproof Navigation Compasses, Survival Emergency Luminous Sighting Compass. . There was a problem. The housing lines should be parallel with the maps vertical grid lines. Plot a line on the map using the mountains rear bearing. 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. Well, youre going to have to do some math with all your bearings to make sure you get a true bearing. In your case, however, your declination is 004 degrees West, meaning you'll have to add 004 degrees before you set your compass. west is 270). The edge of the compass baseplate is now pointing in the direction of the visible landmark from which you took your bearing. Draw a line towards the roadway youre on using the side of your compass. Now it's time to take out the map. On your map, shoot the back bearing that you just took with your compass from the top of Saddle Mountain. 3. Aligned the side of the compass with one of the north-south grid lines. Turn your entire body as a unit until 066 (062 + 004) degrees falls under your compass's fixed black index line. The bezel clicks as it moves--three degrees for every click. Last but not lease, lensatic compasses are prone to scratching. USING THE MILITARY LENSATIC COMPASS - PowerShow On your map, though, you can see the two spots. Get your own customized topographical maps, built according to your specifications. My 159-page, fully illustrated book is yours for the asking. Ensure that the compass bezel is set to 0 degrees i.e. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. If you point your compass towards true north, your compass needle is going to point a little to the east. The mils are in black, and are the outer measurements on the ring. Say your azimuth was 170 degrees. Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. Not a problem. Note: This procedure places the fixed black index line of the compass parallel to north-south grid lines of the map. A compass is a device used for navigation and orientation. Title: USING THE MILITARY LENSATIC COMPASS 1 USING THE MILITARY LENSATIC COMPASS PART 2 Intermediate Land Navigation Module 14 Travel Distance Estimation 2 . Looking at the photo below, let's say you're at the north end of Sheeler Lake, where the penciled X is. You discover that it has a bearing of 176. We guide you on how to orientate a map with or without your compass so that you can navigate your way through the backcountry. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow . 5. Take a bearing to a visible landmark using your compass. Copyright 2013-2019 Collingwood Publications LLC, It's important to hold your compass stable, squarely in front of you, and level. When you purchase through links on our site, we may earn an affiliate commission. Come to think of it, I dont even know if he had a compass. From point A to point B, thats your bearing. How to Use a Lensatic Military Compass? - Let's Find Out! Line up the meridian lines (the parallel lines inside the bezel) with a north/south grid line on the map. The narration and imagery may seem old-timey in this era of high-def computer graphics . You want to know how to use a lensatic compass? Using the approach described above, plot that bearing on the map. Well, we can use our compass as a protractor to take a bearing from our map. (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). We may use the map to identify any landmark we observe in our landscape once we know our point location. Turn the map and compass together until the azimuth sighted lies under the Index Line. A good temperature of 65F to 78 should keep the humidity down and help preserve the structural integrity of the compass. Before we do that, lets dig a bit deeper into declination. Get the free how to use a lensatic compass pdf form - pdfFiller As we can see, the area Im in has a declination of 4E. If your compass doesnt have a declination adjustment key, simply make the adjustment on the spot. At this point, your map is almost oriented. PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. We earn a commission if you click this link and make a purchase at no additional cost to you. 2. How you can Read an Engineer Compass - Physics | ScienceBriefss.com document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); MyOpenCountry is a participant in the Amazon Services LLC Associates Program. The back bearing is 50. You cant shoot a bearing on the end point in your terrain since you cant see it. 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. Manual Cammenga Lensatic Compass (page 1 of 16) (English) - Libble.eu Were going to figure out where we are on that line now. Keep in mind that maps are drawn with north at the top. Step 4: Walk along the path and make sure your compass always points North. Pencarian Terakhir Elcenter Course Zindagi Ban Gy Ho Tum You get the picture. You dont have your point position. For this, they use a lensatic compass, among other navigation equipment and techniques. Learn Land Navigation Now. Start spinning the bezel slowly until the 'magnetized needle' is aligned with the 'orienting arrow.'. How to Use a Compass: 15 Steps (with Pictures) - wikiHow There are step-by-step to use a compass. Of course, ignore all of this if youre hiking through the Netherlands or Florida, where hills and, by extension, contour lines are somewhat rare. Open the cover completely and pull back the rear sight. 1. As a result, its declination would be 14 degrees west. Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. Take a bearing to a visible landmark using your compass. But not to you, I trust. You see that the mountain is 24 in relation to you. The degrees are in red, and are the ring's inner measurements. Enroll in my personalized step-by-step video-based online course. Procedures. 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. The base is the compass dial, bezel, and the thumb loopthe thumb loop is used for stability to garner a more accurate reading. Orient the map to the terrain. How to use a lensatic compass - SlideShare With a little bit of compass work, you can figure this out. No worries. how to orient a map using a lensatic compass - caketasviri.com You will receive a verification email shortly. What is the preferred method of using a lensatic compass when reading magnetic azimuths. What if youre not on a trail, but you just know the general area youre in? Battle tested - shock, water, sand proof, and. Then turn the map until the position of the landmarks on the map corresponds to the real-world features in the terrain, then cross-check your position with additional features to ensure you have oriented correctly. Now, hold the compass level and squarely in front of you. Below, we offer a short, straight-talking guide to how its done. But heres the catch: depending on where you are on the planet, the angle of declination varies. Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. Check the index line to find out the bearing you just have taken. $8.77. Youve orientated the map. The variation between magnetic north and true north is currently so minor that this can generally be ignored. Map and compass skills are essential when navigating the great outdoors, Abrupt topography, like mountain peaks, should be easy to identify thanks to their contours on the map, Magnetic declination guidance on a standard topographical map, Having adjusted the compass housing to correspond with magnetic north, line your compass up with the map's gridlines, Red is in the shed: the compass needle is lined up with the orientating arrow, Ski towns are full: why we cant all just move to the mountains, Berghaus MTN Guide MW Hoody review: a performance mid-layer for the mountains, Rangers warn National Park graffiti could throw hikers off the trail. 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. Customize the template with smart fillable areas. This is why you should never take a bearing off a sheep. You can also plot a known compass bearing on the mapthe reverse process. 3. (Note: Ignore the magnetic compass needle. Conversely, the black end of the compass needle should be pointing south. 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. We just dont know where exactly. When you point your compass towards true north, the needle will point a bit to the west. Thats right Contours are king. Next, turn the compass housing so that the index pointer corresponds to the number of degrees of the magnetic declination. Take your compass and turn the compass housing (bezel) until the red orientating arrow is in line with the direction of travel arrow. Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. Housing lines should be parallel to the vertical grid lines on the map. Line your orienteering compasss base plate up with the maps north-south lines. An "azimuth" is pretty much the same as a "bearing." Lay your map out in front of you on a relatively flat and smooth (and dry!) 4. 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. What if you dont have a compass that allows you to adjust for declination? Boom. It will make it easier to understand why we adjust for declination in the first place. 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 . ENROLL NOW. Instructions for the US Army Lensatic Compass. Contains - YUMPU Instead of using your compasss arrow, youll align your needle with the tape arrow. Designate your starting and ending points on the map. Now its time to store your compass. As you can see, the declination of the location Im in is 4E. But lets say youre in the Muir Woods near San Francisco and youre facing true north. How to Use a Compass and Map - My Open Country So its declination would be 14W. Open the cover completely and pull back the rear sight. Fill & Sign Online, Print, Email, Fax, or Download Thank you for signing up to Advnture. (1) Compass-to-cheek method (figure C-21). North is always at the topof any map. We only recommend products we genuinely like, and purchases made through our links support our mission and the free content we publish here on AoM. More or less, where the second line meets the first is where you are on the map. Compass: Definitions and Examples - Club Z! Tutoring 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 . 3. Move the lens holder: Slightly push forward the lens holder. It typically consists of a magnetized needle that is mounted on a pivot and placed inside a circular housing. Lensatic compasses are made up of three parts: cover, base, and reading lens. Turn the compass cover more or less perpendicular to the base. Orient you compass with the bearing, and draw the bearing line. Your lens piece will appear just above your thumb loop. When you face true north, magnetic north is roughly 14 degrees to the left, or west, of you. Were going to use the back bearing of that to plot a line from Saddle Mountain towards our general direction on the map. 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. 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 can figure this out with a little compass work. When map reading, there are two ways to orient a mapby eye and with a compass. Plus, as a web site visitor, you get a 50% discount off the regular price, meaning you get the whole course for $10. 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. There is no declination, and you do not need to adjust your compass. 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. Your map is now aligned to magnetic north. To use this method (a) Open the cover to a 90-degree angle to the base. So in this episode, well go through the abilities youll need. Its 310 degrees in reference to you, as you can see. Magnetic north lines up exactly when youre on this line and facing true north. Align the map so that the top of the map is parallel with the direction north based on the compass. 3. 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. He did this for ten days, taking us across numerous waterways and lakes. They could be your saving grace during a SHTF situation. A map so lined up is easier to interpret and follow than a map spread out haphazardly. This latter option is a cheat since grid lines have their own declination value. This is because it is prepped to point instead to magnetic north once it's lined up with your compass needle. Step One: Take a Compass Bearing on the Ground. Youll want to rotate it till the black arrow outline matches the 4E hash mark. Use the lens to look through the sighting line to find another landmark, and repeat until you reach your destination. 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. Most people have never heard of them, but soon enough, youre going to be a master at using them. True north and magnetic north are not the same, as stated in Part I. Lensatic compasses are seasoned or experienced navigator tools. We may then use our compass to begin going in the direction we need to go in order to reach our destination. You see that its 230 in relation to your location. Hold it square and straight in front of you like you mean business. Place compass on top of map. First things first. For bearings of 181 to 359 degrees, rotate the bezel clockwise. Ethan Allan thats the peak you saw. When you have a line location, you know youre on a maps recognizable line (trail, ridge line, etc. For this task, the lensatic compass really shines. Orient a map using a lensatic compass by Jessica Lanier Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. Turn the map and compass together until the red needle is pointing north. If the contour interval is 10 meters, then what is the change in elevation of each intermediate contour . Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map."}}]}. Simply look for distinguishable landmarks that are marked on the map, and turn so that both you and the map are facing this object. Bear in mind that an east declination value will be a positive number, and a west declination value will be a negative number. Youre in the right place! On the other hand, wrap the fingers around the three fingers below the compass. In addition to 360 degrees to measure directions in a circle, the military also uses 6,400 mils. is also used to follow a course over the ground, orient or set a map, and determine position of objects in. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map. As long as youre lined up with your direction of travel arrow (keeping that north arrow visible for reference), you need to look through the sighting line and pick a landmark ahead of you. Travel to that landmark. 3. Turn the map and compass until the needle on the compass aligns with the north-south grid lines on the map. Step 1: Find the North Star. If you dont start out using your lensatic compass with a map, then its just a regular compass. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map. Heres our step-by-step guide to the most straightforward. 5. Triangulate your position. Place the compass on your map with the edge along a north-south grid line. Pull your elbows firmly into your sides; this will place the compass between your chin and your belt. 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. 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. Turn the compass dial so that the bearing intersects the index line (2). No declination exists and you dont have to adjust your compass. This video shows how to orient a map with a compass and briefly discusses magnetic declination. The skill allows users to find north with ease, which is crucial for navigation. How to Use a Lensatic Compass - Carnegie Museum of Natural History Lets go back to our Muir Woods example. Overview. Place your compass on your map with the edge of the baseplate parallel to the north-south meridians on the map. Lay your compass on the map and line up its edge with a known landmark. Keep it in a case, or wrapped up in a thick cloth to prevent those damages. All you have to do now is take a bearing towards the unnamed mountain. A: To rotate a map in Beat Saber, you can hit the trigger button on your controller. Get How To Use A Lensatic Compass - US Legal Forms Alex is a qualified Mountain Leader, adventure writer and content creator with an insatiable passion for the mountains. Your compass is now set. In Part I, we covered how to properly use a compass, how to shootyour bearings, and the best map for navigating: the topo map. How to Use a Compass: Compass & Map Navigation Guide - Task & Purpose If youre facing south, but are holding the map right side up, everything on your map is going to be ass-backwards. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. You can always orient your map with a working compass. Have you noticed the agonic line? PARTS OF THE LENSATIC COMPASS Compass, Lensatic, US Army, closeup: 2 (From another source) 1. 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 housing is marked with cardinal points, typically north, south, east, and west, which . If the local declination is positive, subtract the declination amount from the bearing you just derived. We need to compensate for the compass now that weve placed it on the map so that we can appropriately orient and travel. 4. Line your orienteering compass's base plate up with the map's north-south lines. Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. Next month, well wrap off our series with a final briefing on how to navigate using MGRS coordinates, exactly like the military. 2. What happens if you dont compensate for declination with your compass? It will be clearer why we need to compensate for declination in the first place. Your action from here depends on the value and direction of your declinationeast or west. 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. 4. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction. This is because it is prepped to point instead to magnetic north once its lined up with your compass needle. You look out into the distance and you see another mountain peak, but you dont know the name of it. Lay the compass down on your map. Map & Compass: Adjust for declination & orient the map - Andrew Skurka The angle between true north and magnetic north is declination. Note that we will be moving and adjusting the compass on the map. for Faith in Humanity, how to orient a map using a lensatic compass, orient a map using a lensatic compass powerpoint. Steady the compass by allowing the hand holding the compass to rest in the cupped palm of your other hand. New York, In this case, it would be 204 (24+180). To make sure you receive a correct bearing, youll have to perform some arithmetic with all of your bearings. There is nothing better than being at the heart of your navigation as a prepper, and truly knowing where youre headed without the need for technological input. Future US, Inc. Full 7th Floor, 130 West 42nd Street, Make sure the travel direction arrow is pointed in the direction you want to go. Lets say youre out hiking. Using the rotating bezel, turn it until the direction of travel arrow lines up with the north arrow. If you want to learn Land Navigation in detail, either buy a book; or get someone, who has the knowledge and skills, to teach you in person. Your email address will not be published. Hold your compass in the two-hand hold, steady and level in front of you. Its not as easy to get lost on land without a map and compass. c. There are two methods of holding the lensatic compass and sighting. To prevent this issue, well tweak our compass to account for declination. Its 230 degrees in reference to your position, as you can see. To use the terrain to orient a map, you must be familiar with symbols used on the map. Come on in and save lots of money! 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. Assume youre in the Adirondack Mountains of New York. 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. Oriented the map. The instances navigation needs to be most spot-on are when visibility is compromised. Well, that is, unless you're doing something silly like holding the compass backwards. I guess the military needs the extra accuracy now and then say, for example, to precisely place artillery fire. Use your index finger to steady the front of the compass.

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how to orient a map using a lensatic compass