how to orient a map using a lensatic compass

2. Standard compasses use floating dials, but lensatic compasses use a damping mechanism powered by electromagnetic induction. Orienting the Map with anOrienteering Compass. At Advnture, we never head out into the backcountry without a map and compass. This was developed for the Center for Initial Military Training, FT Eustis, Va. 2. Go to your map. Another trick for declination when your compass cant adjust for it is to create your own declination arrow out of masking tape and tape it beneath your compass under the correct declination degree hash (This will only work if your compass has a clear base). surface. 3. Boom. Come to think of it, I dont even know if he had a compass. Travel to that landmark. Want a free ebook on Land Navigation? Using the side of your compass, draw a line towards the highway that youre on. Learn Land Navigation Now. He climbs when he should be writing, writes when he should be sleeping, has fun always. For this task, the lensatic compass really shines. 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. FM 3-25.26: Map Reading and Land Navigation. Future US, Inc. Full 7th Floor, 130 West 42nd Street, Position the eyepiece at a 45-degree angle to the . Pull your elbows firmly into your sides; this will place the compass between your chin and your belt. Next, turn the compass housing so that the index pointer corresponds to the number of degrees of the magnetic declination. Open the compass: Let the cover and the base form a 90-degree angle. Using your compass, take a heading to a visible landmark. Its not unheard of for hikers to accidentally read their map upside down and end up facing south, rather than north. relation to a map. 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. First, use your compass to get a bearing on a peak of Saddle Mountain. When you face true north, magnetic north is roughly 14 degrees to the left, or west, of you. Program, Strengthen Your Tribe: A Report on the Atomic Athlete Vanguard, The Best Riddles for Kids (With Answers! 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. 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. You now have your target's bearing. See that little black outline of an arrow? We'll start from the beginning, and go through everything you need to know to find your way over the terrain. Now, read the degree marking under the fixed black index line. Put the compass anywhere on top of the map. Now $7.56. 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. 2. Hold the compass with your thumb fully in the thumb ring, and your index finger wrapped around and gripping the circular part of the underneath of the compass's base. Your action from here depends on the value and direction of your declinationeast or west. To figure out precisely where you are on the map, you simply need one more piece of information. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. 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. Now were going to find out where exactly we are on that line. Use the illustration above to familiarize yourself with the components of a lensatic compass. Step 1 Determine the direction of the map of the declination and its value from the declination on the map. Magnetic north lines up exactly when youre on this line and facing true north. Orient you compass with the bearing, and draw the bearing line. Pull the ring underneath the compass and put your thumb through. As long as you can hold the compass level and steady, the exact grip doesn't matter. But not to you, I trust. The plotted line cuts through Mt. When this happens, its time to orientate using a compass. However, imagine youre in Muir Woods in San Francisco, facing true north. The My Open Country name is registered with the U.S. Patent and Trademark Office. Check back next month for our final briefingon how tonavigate using MGRS coordinates, just like they do in the military. Ethan Allan thats the peak you saw. Lensatic compasses are used by the United States military for a reason. Save my name, email, and website in this browser for the next time I comment. A lensatic compass features a small pop-out area for your thumb, and a lid on top of the main compass body. Of course, ignore all of this if youre hiking through the Netherlands or Florida, where hills and, by extension, contour lines are somewhat rare. On the other hand, wrap the fingers around the three fingers below the compass. I guess the military needs the extra accuracy now and then say, for example, to precisely place artillery fire. Remember, human features are the last port of call and, whats king again? Take a bearing to a visible landmark using your compass. There are two ways of doing this. So, if youre at Muir Woods and your compass reads 180 degrees, subtract 14 degrees. Say your azimuth was 170 degrees. Orient a map using a lensatic compass You can, however, see the two points on your map. That has the potential to make a significant impact! USING A COMPASS Magnetic azimuths are determined with the use of magnetic instruments, such as lensatic and M2 compasses. Step 2: Line up your lensatic compass with the North Star and make sure the index mark is on the star. The bezel clicks as it moves--three degrees for every click. Using a little screwdriver or the metal piece that came with your compass lanyard, turn the small screw. Also known as setting the map, orientating helps to relate your position and the landscape around you to the map, therefore making onward navigation more straightforward. US $10.58 orient yourself to a map and follow a course over land The lensatic compass is used to set course bearings Instructions for Lensatic compass Open the lensatic compass so that the cover is at a 90 degree angle and the lens bracket is at a 30 degree angle to the case Lensatic Compass. PART 1 Basic Land Navigation. 3. Mt. 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. Rotate the compass dial until north on the compass ring lines up with north on the map. Turn the bezel on your compass so that north on the compass points to north on the map. The map is now oriented to the terrain. Read the number at the index line. 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. We just dont know where exactly. 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. 4. Gently pull the lid down until the sighting line is visible through the lens. My 159-page, fully illustrated book is yours for the asking. Below, we offer a short, straight-talking guide to how its done. From the compass, to GPS, to now even your mobile devicetheres no shortage of navigational tools. (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). The instances navigation needs to be most spot-on are when visibility is compromised. A visualization depicting the Soldiers Manual of Common Tasks (STP 21-1-SMCT) task Orient a Map Using a Lensatic Compass (071-COM-1011). The orient a map to the ground by map-terrain association is one of the most basic skills that you will need in order to survive. However, we should be able to figure it out rather quickly. 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. 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. and compass together is to orient the map towards north simply align the map merid, figure 10b while keeping compass edge on landmark pivot compass until magnetized needle is centered within orienting arrow plot bearing on map by drawing line from landmark using the edge of the compass figure 10c 1 how a compass works your compass is a . Spread out your map. If youre in the Adirondacks, youll want to add 14 so your true bearing would be 194. If your map already has a line to show magnetic declination, you can take your compass and line its edges up along this. Place the thumb of the other hand between the rear sight and the bezel ring; extend the index finger along the remaining side of the compass, and the remaining fingers around the fingers of the other hand. [10] 4. Welcome back to the Land Navigation Manual for the Art of Manliness. Once you are physically at your starting location, it's time to put your compass to good use. With our compass adjusted for local declination, were now ready to start orienting ourselves. Fill in the empty areas; concerned parties names, places of residence and phone numbers etc. 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. Let's say you see a water tower off in the distance. The cover is used to protect the compass and alsoincorporates thesighting wirewhich helps you determine direction. We just dont know where we are. Your cheek should be resting on the base of your thumb. 5. Well, that is, unless you're doing something silly like holding the compass backwards. (Be sure you understand magnetic declination. All you have to do is shoot a bearing towards the unidentified peak. 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. The degrees are in red, and are the ring's inner measurements. 8; Page 11 G. LOCATING POSITION USING INTERSECTION 1. Its a bit tricky, but once you get the hang of it, youre solid. As you can see, the declination of the location Im in is 4E. 5. When your compass cant adjust for declination, you may make your own declination arrow out of masking tape and attach it below your compass under the right declination degree hash (This will only work if your compass has a clear base). Conversely, the black end of the compass needle should be pointing south. Turn your compass on its side. Youve got your dependable compass and a map of the region, but youre not sure where you are in respect to the map. This is because technology is fallible, batteries run out, cold kills gadgets and theres always the possibility of dropping a device down a steep slope or into a rushing river. If everything is matching up, youre onto a winner. All you have to do now is take a bearing towards the unnamed mountain. Not a problem. Customize the template with smart fillable areas. Youll want to stick to areas that are cool and dry, and dont offer any immediate threats to technological devices. With your bezel ring set, stand at your starting point and . There was a problem. Thankfully, its notwhether orienting your map with a compass or without, this is a skill that can be learned in minutes and which can be done in a matter of seconds out in the field. 5. Make a mark with your pencil at the notch on the end furthest from the sighting wire. 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. ? Lets go to the other side of the country. Turn your map so that north on the map, points in the same direction as the needle. The two basic techniques for using the lensatic compass . When we know our point position, we can identify any landmark that we see in our terrain by using the map. He did this for ten days, taking us across numerous waterways and lakes. 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. A lightweight, well-engineered orienteering compass from the Finnish company that helped set the gold standard in navigation. This makes it easier to relate what you see on the map with what you see on the ground. To find the tower's bearing with your lensatic compass: 1. 3. The housing is marked with cardinal points, typically north, south, east, and west, which . Your compass is now set. My 159-page, fully illustrated book is yours for the asking. They both use magnetization to help you find where you are and where youre going, but theres a catch. 1. Casio's latest G-Shock watch could be a serious Garmin rival. Were going to figure out where we are on that line now. A compass is a device used for navigation and orientation. Knowing how to orientate a map is just one facet of the wider skill of knowing how to read a map. On your map, place your compass. This visualization has been approved for public release.Storyboard developed from the STP 21-1 Soldier's Manual of Common Tasks Warrior Skills Level 1, September 2017Approved by the Center for Initial Military Training (CIMT) G-3/5/7, Initial Entry Training, Fort Eustis Virginia. Well adjust it to account for the declination of our compass. You can always orient your map with a working compass. It would be 204 (24+180) in this situation. Make sure your map is aligned with magnetic north (see above). Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. Best Camping Knife for Outdoor Adventures, Best 4-Person Tent For Camping [2023 Update], How to Use a Fire Starter: A Simple, Step-by-Step Guide, How to Dispose of Butane Cans (and Other Solvents), Best Hikes in Colorado: 17 Incredible Trails, Types of Backpacks: The Ultimate List of 23 Pack Styles, Learning one of land navigations primary skills, Turn your map using your map and compass together, How to check your map is oriented correctly. He has climbed a handful of 6000ers in the Himalayas, 4000ers in the Alps, 14ers in the US, and loves nothing more than a good long-distance wander in the wilderness. 3. (1) Compass-to-cheek method (figure C-21). In your case, however, your declination is 004 degrees West, meaning you'll have to add 004 degrees before you set your compass. So, how are you going to acquire your point position? number of degrees in a circle (360: north is 0 or 360, east is 90, south is 180, and. If your destination is further than what the side edging allows for, you can use an actual ruler to align with the side of your compass edge to help you get to your destination. This step comes after aligning our map and compass needle to magnetic north if using a compass that doesnt have a declination adjustment key. Keep it in a case, or wrapped up in a thick cloth to prevent those damages. What happens if you dont compensate for declination with your compass? Plot a line on the map using the back bearing from that mountain. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. a. 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. Shoot a bearing with your compass at the peak of Saddle Mountain. Now draw the bearing line using the edge of the compass, and extending it in the desired direction. Your map (and yourself) are now be orientated north. Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. The angle between true north and magnetic north is declination. NY 10036. 3. You get the picture. 3. You can use this feature to set your compass in the dark. If your local declination is east of the agonic line, youll need to add the declination to the bearing on your compass; if your local declination is west of the agonic line, youll subtract the declination from the bearing on your compass. Hold compass up to eye level and view larger side card for "direction-of-travel" compass. The United States military needs to know how to navigate on land when all digital systems fail. There's another way to orientate a map using a compass that starts slightly differently to what was explained above. Heres how it works. SEE IT. Well, that is, unless you're doing something silly like holding the compass backwards. Step 4: Walk along the path and make sure your compass always points North. Orient the map to the terrain. 4. The U.S. military M-1950 lensatic compass shown in this video is still in use today. This webpage may also be used to get current declinations. 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. The techniques employed when using the lensatic compass are as follows: a. . Using the Centerhold Technique. Close is good enough in horsehoes, but I'm hoping exact is the standard for artillery fire. Brunton TruArc 8010 Classic Map Luminous Compass Brunton TruArc 8010 Classic Map Luminous Compass Item # WX2- 715075 / Mfg. What is the preferred method of using a lensatic compass when reading magnetic azimuths. ? Positioned the cover of the compass toward the top of the map. With the thumb loop all the way down under the compass, put the thumb of one hand all the way inside the loop, and place the index finger of that same hand along one side of the compass. My magnetic declination is 4E, so Ill be moving the black arrow outline towards the red hash marks that are going towards E DECL.. Ensure that the compass bezel is set to 0 degrees i.e. 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. Its declination is recorded as 14E. You can use this feature to set your compass in the dark. The basics of orienting yourself with a map and compass. If you point your compass towards true north, your compass needle is going to point a little to the east. $7.20. We guide you on how to orientate a map with or without your compass so that you can navigate your way through the backcountry. Turn the compass dial so that the bearing intersects the index line (2). Use a Compass : Basic Reading Do's and Dont's \u0026 Tips With Navigating COM-PASS Reading Placement Test - Characters COMPASS Reading Prep How to use a compass:For beginners THIS is how to use a Compass (Lensatic Compass for beginn-ers) Using A Lensatic Compass (For Dum-mies) Beginner guide to map and compass - Survival Saturday Ep. Holding the compass up to your face, angle the rear sight so that you can read the compass dial clearly through the lens while peering through the sighting slot and lining your distant target (the water tower, in this case) up with the sighting wire.

Largest City In South America By Area, Prosper High School Basketball, Overseas Job Hiring Electrician, St Mary's County, Md Property Taxes, Articles H