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 this case, it 15 degrees positive (east). EMERGENCY PREPAREDNESS & More: A Manual On Food Storage and Survival: 2nd Edition Revised and Updated. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. In actual practice, orienting your map is something you'll often do "on the run" and can be as simple as glancing at your compass needle and turning the map more or less accordingly. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. Using the Centerhold Technique. Set Up Your Compass Faster & More Accurately With A Map Protractor Used the G-M angle formed by the . The Lensatic compass also has a large number of drawbacks, including the use of a large case that can make this a cumbersome and heavy option. Pull the ring underneath the compass and put your thumb through. On your map, place your compass. We can find out easily enough, though. On your map, shoot the back bearing that you just took with your compass from the top of Saddle Mountain. He did this for ten days, taking us across numerous waterways and lakes. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. For this task, the lensatic compass really shines. 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. A map, by definition, is a small-scale representation of the real world or a section thereof. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. 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. The compass baseplates edge is now pointed in the direction of the visible landmark you used to get your bearing. How to use the Lunatic Compass Map Orientation by compass Magnetic Azimuth A magnetic azimuth of any object is the compass reading of a direct line across the center of the compass to the object. 2. Knowing how to orientate a map is just one facet of the wider skill of knowing how to read a map. When we know our point position, we can identify any landmark that we see in our terrain by using the map. Any kinds of magnets whatsoever. Open the cover completely and pull back the rear sight. Keep in mind that maps are drawn with north at the top. Pros . A lensatic compass is often referred to as a military compass, and is typically used by the U.S. Military. More or less, where the second line meets the first is where you are on the map. A good temperature of 65F to 78 should keep the humidity down and help preserve the structural integrity of the compass. 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. What happens if you dont compensate for declination with your compass? 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. However, imagine youre in Muir Woods in San Francisco, facing true north. Declination was taken into account while adjusting the compass. PART 1 Basic Land Navigation. 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. 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. The following 30-minute U.S. Army training video from 1966 shows how to find your direction, orientation, and location with a mil-spec lensatic compass. PART 1 Basic Land Navigation Module 6 Map Information WARNING This presentation is intended as a quick summary, and not a comprehensive resource. Make an "L" shape with the index finger and thumb of your other hand. Turn your compass on its side. You want to know how to use a lensatic compass? PARTS OF THE LENSATIC COMPASS Compass, Lensatic, US Army, closeup: 2 (From another source) 1. Brett May 23, 2016 Last updated: June 2, 2021. All you have to do is shoot a bearing towards the unidentified peak. Its not unheard of for hikers to accidentally read their map upside down and end up facing south, rather than north. To get among the sources, you can discover the fascinating point to acquire. Now its time to store your compass. Aligned the side of the compass with one of the north-south grid lines. Map Reading and Land Navigation: FM 3-25.26. Dont worry that your red orientating arrow doesnt point exactly map north. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API. As you can see, the declination of the location Im in is 4E. Look through the lens and sighting line. Lets return to Muir Woods as an example. When you face true north, magnetic north is roughly 14 degrees to the left, or west, of you. Preferred by military for its precision and. You want to go cross country directly to Devil's Wash Basin, a deep and beautiful lake you've heard a lot about. There is some technical difference between the two, but for all practical civilian purposes, the words are interchangeable. Your map is now aligned to magnetic north. How to Use a Lensatic Military Compass - Beginners Tutorial The plotted line cuts through Mt. With your bezel ring set, stand at your starting point and . The basics of orienting yourself with a map and compass. 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. ), you just dont know exactly where. This webpage may also be used to get current declinations. Line your lensatic compasss base plate up with the maps north-south lines. Uses a retractable lens to read the bearing while. You are missing your point location. There are step-by-step to use a compass. It would be 204 (24+180) in this situation. 3. The housing is marked with cardinal points, typically north, south, east, and west, which . First, use your compass to get a bearing on a peak of Saddle Mountain. Make sure the travel direction arrow is pointed in the direction you want to go. There are 2 ways to do this - using landmarks or using a compass. Travel to that landmark. Its 230 degrees in reference to your position, as you can see. When you have a line position, you know that youre on some identifiable line on the map (trail, ridge line, etc. If the local declination is positive, subtract the declination amount from the bearing you just derived. 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. 3.30 MB. Plotting a bearing on a map using a straight edged lensatic compass Open the compass: Let the cover and the base form a 90-degree angle. How to Pack a Backpack Are You Doing it Right? 071-COM-1011 (Orient a Map Using a Lensatic Compass) Lets say youre planning a short hike from one point to another. How to Orient Your Map Quickly With a Compass - PopUpBackpacker Determine your position on the map and set the compass edge over it. Module 11 Plotting Position Coordinates exact positioning, used to communicate to others with a is also used to follow a course over the ground, orient or set a map, and determine position of objects in. 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. The keys to successfully navigating the wilderness are being able to determine your position, know where youre going and understand how terrain affects your movement abilities. The skill allows users to find north with ease, which is crucial for navigation. The map is now oriented to the terrain. Orient the map to the terrain. 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. Bear in mind that an east declination value will be a positive number, and a west declination value will be a negative number. (Note: The magnetic compass needle should be ignored.) Lets say youve hiked the peak of Camels Hump in Vermont. It. Enroll in my personalized step-by-step video-based online course. 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. The narration and imagery may seem old-timey in this era of high-def computer graphics . True north is represented by a star. Hold the compass at eye level and point it at the object. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. There are two ways of doing this. First, open the compass to its fullest so that the cover forms a straightedge with the base. As previously stated, orientating your map using visual features is only as good as the visibility on any given day. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow is pointing our map towardtruenorth as opposed tomagneticnorth. Center-hold. 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. How to Use a Lensatic Military Compass? - Let's Find Out! Now its time to use the lens. You can see that the mountain is 24 degrees away from you. Were ready to start orienting ourselves now that our compass has been corrected for local declination. Take a bearing to a visible landmark using your compass. You should then be able to roughly work out which way is north, east south or west using your maps gridlines. 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. (1) Compass-to-cheek method (figure C-21). It will make it easier to understand why we adjust for declination in the first place. Half the activity of their sport is keeping their map oriented so they can navigate faster and with more accuracy. Lensatic compasses are used by the United States military for a reason. At this point, your map is almost oriented. The needle on your compass dial will always be pointing north, so when placing the compass on the map, the needle on the compass should match the map's north in order to orient yourself. We earn a commission if you click this link and make a purchase at no additional cost to you. 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. Take your compass and turn the compass housing (bezel) until the red orientating arrow is in line with the direction of travel arrow. But I wish I had the simpler kind that just automatically points to the direction on the compass that I am . 1. How to Use a Compass: Compass & Map Navigation Guide - Task & Purpose The edge of the compass baseplate is now pointing in the direction of the visible landmark from which you took your bearing. Take your compass and line up the edges with the north-south gridlines on your map. Adjustable Declination Compasses. You have your point location when you know precisely where you are in reference to your map. Step 1 Orient the map. It has its advantages and disadvantages over the orienteering compass. 2. Now $7.56. Close is good enough in horsehoes, but I'm hoping exact is the standard for artillery fire. 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. Check the declination of your local location on your map or on a website. If the local declination is negative, add the declination amount . USING A COMPASS Magnetic azimuths are determined with the use of magnetic instruments, such as lensatic and M2 compasses. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); MyOpenCountry is a participant in the Amazon Services LLC Associates Program. 5. Gently pull the lid down until the sighting line is visible through the lens. 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. Youve got your dependable compass and a map of the region, but youre not sure where you are in respect to the map. You should notice that the direction of travel arrow should be pointing at the top of the map, and the black orienteering lines should also be parallel to the north-south gridlines on the map. Point position. In such orientation we use a lensatic scale. And thats it! As magnetic north changes depending on where you are in the world, you have to ensure you adjust your compass accordingly. Customize the template with smart fillable areas. Remember declination from Part I? It is the bread and butter of navigation and a good habit to get into every time you set off in any given direction. 5. You will not be using it for the center-hold technique. This was developed. c. There are two methods of holding the lensatic compass and sighting. To orientate the map, rotate both the map and compass together until the red compass needle and the red orientating arrow match up. Holding any compass in a slack and half-a**ed (that's an old military term. Sight: Now peek through the rear sight slot, aligning the sighting wire or the front sight to the desired direction or object. Orient a map using a lensatic compass by Jessica Lanier How to Use a Lensatic Compass: Guide for Hikers You can use this feature to set your compass in the dark. You can always orient your map with a working compass. So, if youre in Muir Woods and your compass has a bearing of 180, youll want to subtract 14. Step 2. You want to line up your view so the direction of travel arrow is straight ahead. Plot a line on the map using the back bearing from that mountain. Look at which way the red needle is pointing. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How do you orient and read a map? Find out more atwww.alexfoxfield.com (opens in new tab). Make an "L" shape with the index finger and thumb of your other hand. 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. NB. Take your compass and line up the edges with the north-south gridlines on your map. However, we should be able to figure it out rather quickly. ","acceptedAnswer":{"@type":"Answer","text":"A: In order to orient and read a map, you have to have spatial awareness. Magnetic north lines up exactly when youre on this line and facing true north. Ymiko Compass Survival,Compass For Kids,Compass Hiking Durable Shockproof Waterproof Brass Camping Tools For Navigation Outdoor. Youre somewhere on that line, so you know have a line position. You discover that it has a bearing of 176. Line up your map with what you see around you. This is sometimes referred to as putting red in the shed. Move the lens holder: Slightly push forward the lens holder. It is easy to learn and it can be done with just a map and compass. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. The lensatic compass must always be held level and firm when sighting on an object and reading an azimuth. Then tilt the mirror until you can see straight down into the bezel. 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. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. Turn the map and compass together until the red needle is pointing north.
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