This is a hard and fast guide on how to use your lensatic compass with a map, which is what it was designed for. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. 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. Doing this quick visual sense check by examining the surrounding terrain is to triple-check that your readings arent out by 180 degrees and to make sure the map is always aligned with your compasss north-pointing (and usually red) magnetic arrow i.e. Old-School Navigation: How to Use a Map and Compass 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. With a little bit of compass work, you can figure this out. 2 a. Orient the map using the first technique. Keep in mind that maps are drawn with north at the top. Now its time to use the lens. The edge of the compass baseplate is now pointing in the direction of the visible landmark from which you took your bearing. 3. 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. You look out into the distance and you see another mountain peak, but you dont know the name of it. We earn a commission if you click this link and make a purchase at no additional cost to you. Enroll in my personalized step-by-step video-based online course. Open it up using the cloud-based editor and begin editing. How to Use a Compass: 15 Steps (with Pictures) - wikiHow Note: This procedure places the fixed black index line of the compass parallel to north-south grid lines of the map. Step One: Take a Compass Bearing on the Ground. $7.20. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. EMERGENCY PREPAREDNESS & More: A Manual On Food Storage and Survival: 2nd Edition Revised and Updated. On your map, though, you can see the two spots. 1. 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. UK readers, youre in luck. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); MyOpenCountry is a participant in the Amazon Services LLC Associates Program. Orienteering vs. Lensatic Compass: How do they compare? Above: For this example in the Grand Canyon, grid north ("GN") differs from true . 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. It would be 204 (24+180) in this situation. Make sure your map is aligned with magnetic north (see above). Looking at the map is an easy way of finding which direction north or east are relative to your current position. Were going to use the back bearing of that to plot a line from Saddle Mountain towards our general direction on the map. You see that its 230 in relation to your location. Shoot a bearing with your compass at the peak of Saddle Mountain. Youll line up your needle with the tape arrow instead of the arrow on your compass. 5. 1. You can look through a small window of the top (thats the lens), and navigate smoothly from there. Turn the compass dial so that the bearing intersects the index line (2). All you have to do is shoot a bearing towards the unidentified peak. functional from -50F to 150F. A lensatic compass is just one of the many navigational tools we have built. Ethan Allan, the peak you observed, is cut through by the plotted line. As a result, its declination would be 14 degrees west. 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. The mils are in black, and are the outer measurements on the ring. 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 . The U.S. military M-1950 lensatic compass shown in this video is still in use today. There you go. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. 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. Advnture is part of Future US Inc, an international media group and leading digital publisher. Using the Centerhold Technique. Get your own customized topographical maps, built according to your specifications. Pull the ring underneath the compass and put your thumb through. Orienting the Map with anOrienteering Compass. Turn the little screw using a small screwdriver or the little metal piece that comes with your compass lanyard. Once you are physically at your starting location, its time to put your compass to good use. 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. Instead of using your compasss arrow, youll align your needle with the tape arrow. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. Draw a line on the map at 130 degrees from Saddle Mountain. 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. The lensatic compass is comprised of different parts compared to a baseplate compass. You now have your target's bearing. Your map (and yourself) are now be orientated north. Next, ensure youre happy with your judgment by matching other physical features in the landscape to the map, such as crags, glaciers, waterfalls, lakes and rivers. Take your compass and line up the edges with the north-south gridlines on your map. Navigation has taken on many forms over the years. North is always at the topof any map. Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. When we know our point position, we can identify any landmark that we see in our terrain by using the map. Magnetic north is now off the coast of Greenland, but true north is at the very top of the world. Pros . He did this for ten days, taking us across numerous waterways and lakes. Adjustable Declination Compasses. The lensatic compass is used by the U.S. Military. You want to line up your view so the direction of travel arrow is straight ahead. how to orient a map using a lensatic compass; how to orient a map in military; orient a map using a lensatic compass powerpoint 2. That would be 130. When it comes to how to orientate a map, there are two main ways to do it. Now draw the bearing line using the edge of the compass, and extending it in the desired direction. Youve got your dependable compass and a map of the region, but youre not sure where you are in respect to the map. Contours are king. 5. To find directions from your map, you're going to need a protractor, a special instrument used for measuring angles. What if you dont have a compass that allows you to adjust for declination? Well, that is, unless you're doing something silly like holding the compass backwards. Position of the point. how to orient a map using a lensatic compass - caketasviri.com Draw a line towards the roadway youre on using the side of your compass. Turn your compass on its side. Determine your position on the map and set the compass edge over it. Sight an azimuth to any visible terrain feature that appears on the map. to orient the map to find your position. 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. Orienting, or aligning, the map is really easy with just 3 steps: Lay your map out on a relatively flat, smooth surface. Point position. As previously stated, orientating your map using visual features is only as good as the visibility on any given day. 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. 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. 071-COM-1011 Orient a Map Using a Lensatic Compass(1).pdf If the magnetic declinationin your area were zero, you'd proceed in the direction of 062 degrees. 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. 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 . True north and magnetic north are not the same, as stated in Part I. 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. Your email address will not be published. 4. Fortunately, orienting your map is simple. For bearings of 181 to 359 degrees, rotate the bezel clockwise. Using the side of your compass, draw a line towards the highway that youre on. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API. 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. Welcome back to the Art of ManlinessLand Navigation Manual. Take your compass and turn the compass housing (bezel) until the red orientating arrow is in line with the direction of travel arrow. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map."}}]}. Its 310 degrees in reference to you, as you can see. Identify where you are on the map and place the compass edge over this location. A lensatic compass features a small pop-out area for your thumb, and a lid on top of the main compass body. Flip up the lid to a 90-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. 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. 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. The map is now oriented to the terrain. slide 1 to 3 of 3. Get my Land Navigation coursehere. Hold your compass in the two-hand hold, steady and level in front of you. (1) Compass-to-cheek method (figure C-21). 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. Were going to move that to take into account declination on our compass. 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. Sounds like a lot more than a regular compass, doesnt it? Now, hold the compass level and squarely in front of you. So your true bearing would be 166. 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. Thank you for signing up to Advnture. How to Use a Lensatic Compass - Carnegie Museum of Natural History 1. To prevent this issue, well tweak our compass to account for declination. Align the map so that the top of the map is parallel with the direction north based on the compass. Center the compass on the map, with one of the baseplates long edges running between the two places of interest. You learn that it has a 176 bearing. It is the bread and butter of navigation and a good habit to get into every time you set off in any given direction. Magnetic north would be slightly to your right, or east, by about 14. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); What is a Lensatic Compass and How to Use Them? You see that its 310 in relation to you. First, use your compass to get a bearing on a peak of Saddle Mountain. With our compass adjusted for local declination, were now ready to start orienting ourselves. Step 2 Lay the map in a horizontal position. 3. Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. When you face true north, magnetic north is roughly 14 degrees to the left, or west, of you. See that little black outline of an arrow? Shoot the reverse bearing you got with your compass from the top of Saddle Mountain on your map. Huzzah! We can find out easily enough, though. brunton classic compass This makes it easier to relate what you see on the map with what you see on the ground.