Brett May 23, 2016 Last updated: June 2, 2021. No worries. What happens if you dont adjust your compass for declination? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); MyOpenCountry is a participant in the Amazon Services LLC Associates Program. How to use an Orienteering Compass - Survival Gear Book 3. 1. This was developed for the Center for Initial Military Training, FT Eustis, Va. As previously stated, orientating your map using visual features is only as good as the visibility on any given day. My 159-page, fully illustrated book is yours for the asking. 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. Land Nav Task 10 - Orient a Map Using a Lensatic Compass Determine a Magnetic Azimuth Using a Lensatic Compass How to Use a Compass: The Ultimate Guide to Navigation You see that its 230 in relation to your location. 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. 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. 4. The narration and imagery may seem old-timey in this era of high-def computer graphics . The fundamentals of using a map and compass to find your way around. You cant shoot a bearing on the end point in your terrain since you cant see it. Lensatic compasses are used by the United States military for a reason. To figure out precisely where you are on the map, you simply need one more piece of information. You can also plot a known compass bearing on the mapthe reverse process. Thats right Contours are king. To orient the map, first: Line up the edge of the compass with the edge of the map, or. Lay the map out flat in front of you. This is also known as triangulation. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. Best Compasses (Review & Buying Guide) in 2023 - Task & Purpose Once you know that you're facing north, rotate the compass so that the luminous line is over the 170-degree mark. Get my Land Navigation coursehere. If your map already has a line to show magnetic declination, you can take your compass and line its edges up along this. To get among the sources, you can discover the fascinating point to acquire. Learn Land Navigation Now. ENROLL NOW. Flip up the small magnifying glass. List of Ten Best Compass For Hunting Top Picks 2023 Reviews 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. 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. brunton classic compass Land Navigation Flashcards | Quizlet To use your lensatic compass to find the direction of your intended azimuth (which you probably got from your map, using your protractor): 1. The first step is to always take a compass bearing. Open the compass: Let the cover and the base form a 90-degree angle. So its declination would be 14W. Come on in and save lots of money! Next month, well wrap off our series with a final briefing on how to navigate using MGRS coordinates, exactly like the military. As long as you can hold the compass level and steady, the exact grip doesn't matter. Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. 2 a. Orient the map using the first technique. This makes it easier to relate what you see on the map with what you see on the ground. Hey, it happens! Once you master using a lensatic compass, it becomes the only way youll ever navigate around the wilderness moving forward. Use the illustration above to familiarize yourself with the components of a lensatic compass. Youll want to rotate it till the black arrow outline matches the 4E hash mark. My 159-page, fully illustrated book is yours for the asking. Tilt it forwards until you can see your sighting arrow. 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. At that point, leave it out in a spot where it can really dry overnight until you know the internal components are no longer moist. Determining a Bearing, or "Shooting an Azimuth", Using Your Compass Sights to "Shoot an Azimuth". Required fields are marked *. Its 230 degrees in reference to your position, as you can see. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map."}}]}. The lensatic compass is used by the U.S. Military. 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. What if you dont have access to a compass that can compensate for declination? Using the side of your compass, draw a line towards the highway that youre on. Video: How to Use a Lensatic Compass (U.S. Army, 1966) Triangulate your position. It. USING THE MILITARY LENSATIC COMPASS - PowerShow Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. Fill & Sign Online, Print, Email, Fax, or Download 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. We can find out easily enough, though. Once you are physically at your starting location, it's time to put your compass to good use. At least, I never saw him with one. Go to your map. But not to you, I trust. This is sometimes referred to as putting red in the shed. While this doesnt technically register as an electronic, were going to treat it like one. PDF Landmark Compass Manual The obvious drawback here is that such an approach is impossible in poor visibility. 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. Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. How to Use a Compass to Get Your Bearings. You then see where the line you drew intersects with the protractor's numbers, in this case 062 degrees. Lensatic compasses aremade upof three parts: cover, base, and reading lens. Through his hiking, mountaineering, climbing and trail running adventures, Alex aims to inspire others to get outdoors. Orient a Map Using a Lensatic Compass 071-329-1011 Conditions: Standards: Orient the map to the ground using a compass. Step 2: Line up your lensatic compass with the North Star and make sure the index mark is on the star. 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. 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. 2. Look at the index line and read the number. Once you've got the bearing you can transfer it to the map. 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. Step 1 Determine the direction of the map of the declination and its value from the declination on the map. Thanks so much for sharing! 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. Looking at the photo below, let's say you're at the north end of Sheeler Lake, where the penciled X is. 1. 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. Here at Brunton, we manufacture a variety of different compasses for varying needs in the field. PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. 2. An "azimuth" is pretty much the same as a "bearing." You will receive a verification email shortly. That would be 130. Kieran has taught mountaineering, ice climbing, and single-pitch and multi-pitch rock climbing in a variety of contexts over the years and has led trekking and mountaineering expeditions in the Alps, Rockies, and UK. Open it up using the cloud-based editor and begin editing. The fact that they glow in the dark (especially, if they're the tritium kind which will glow for years without having to be exposed to light) means you can use your compass without a light for night navigation. Your compass is now set. It would be 204 (24+180) in this situation. Get the free how to use a lensatic compass pdf form - pdfFiller On your map, place your compass. 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. Hold it square and straight in front of you like you mean business. 4. 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. Step 2. Place the compass on your map with the edge along a north-south grid line. Identify your approximate location on your map. Use the lens to look through the sighting line to find another landmark, and repeat until you reach your destination. With our compass adjusted for local declination, were now ready to start orienting ourselves. 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. If you point your compass towards true north, your compass needle is going to point a little to the east. 4. On your map, shoot the back bearing that you just took with your compass from the top of Saddle Mountain. Plot a line on the map using the back bearing from that mountain. Place the three remaining fingers below as if you are holding a gun. Well, we can use our compass as a protractor to take a bearing from our map. As we can see, the area Im in has a declination of 4E. Line your orienteering compass's base plate up with the map's north-south lines. Orient a map using a lensatic compass by Jessica Lanier ","acceptedAnswer":{"@type":"Answer","text":"A: In order to orient and read a map, you have to have spatial awareness. (Note: Ignore the magnetic compass needle. From point A to point B, thats your bearing. A lensatic compass is just one of the many navigational tools we have built. 3. As mentioned in Part I, true north and magnetic north arent the same. He did this for ten days, taking us across numerous waterways and lakes. Identify where you are on the map and place the compass edge over this location. Find two or three easily identifiable features or landmarks on your map and then try to identify them in the terrain, or vice-versa. 2. UK readers, youre in luck. 3.30 MB. The techniques employed when using the lensatic compass are as follows: a. Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. 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. Lets pretend youre on a hike. Orient a map using a lensatic compass You can look through a small window of the top (thats the lens), and navigate smoothly from there. In this situation, you can use your compass to work out which direction magnetic north is and orientate from there. Once you reach your landmark, align yourself again to make sure youre on the right path. 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. Contours are king. 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. There's another way to orientate a map using a compass that starts slightly differently to what was explained above. Where can these symbols be found. For instance, line up roads, mountains, water towersany terrain features that stand out enough to make orienting the map possible. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction. 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. 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. Put the compass anywhere on top of the map. 9-4. There are step-by-step to use a compass. 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. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. When we dont have our point position, we have to use less exact forms of orientation based on line or area position to find it: Line Position. Choosing a selection results in a full page refresh. Oriented the map. 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. The instructions on this page might make orienting a map seem a highly technical thing. 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. Fog or dense forest may mean you cant see but a few feet around you in any direction. Turn your entire body as a unit until 066 (062 + 004) degrees falls under your compass's fixed black index line. 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. The plotted line cuts through Mt. Of course, ignore all of this if youre hiking through the Netherlands or Florida, where hills and, by extension, contour lines are somewhat rare. 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. You notice another mountain peak out in the distance, but you dont know what its called. Orienteering vs. Lensatic Compass: How do they compare? a. Now draw the bearing line using the edge of the compass, and extending it in the desired direction. 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 My Open Country name is registered with the U.S. Patent and Trademark Office. Most lensatic compasses are designed to withstand moisture to a certain extent, but nobody makes them perfect. 1. 3. Take a bearing to a visible landmark using your compass. If the local declination is negative, add the declination amount . 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. The how to orient a map using a compass is a skill that can be used in the outdoors. Best Overall. 2. When you point your compass towards true north, your compass needle is going to point a little to the west. The United States military needs to know how to navigate on land when all digital systems fail. Using the Centerhold Technique. This step comes after aligning our map and compass needle to magnetic north if using a compass that doesnt have a declination adjustment key. FM 3-25.26: Map Reading and Land Navigation. Remember declination from Part I? Assume youre southeast of Saddle Mountain and northeast of a few of lesser peaks.
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