Required fields are marked *. While this doesnt technically register as an electronic, were going to treat it like one. Magnetic North is 15 East.
Land Navigation 101: Pinpoint Your Location, Orient the Map 4. In this case, it 15 degrees positive (east). Align the map so that the top of the map is parallel with the direction north based on the compass. Lensatic compasses are used by the United States military for a reason. Identify where you are on the map and place the compass edge over this location. There is no declination, and you do not need to adjust your compass. (1) Take the straightedge on the left side of the compass and place it alongside the north-south grid line with the cover of the compass pointing toward the top of the map.
Using a Lensatic Compass - land navigation 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. Orient your map so that its lined up with magnetic north (see above). Hold the compass at eye level and point it at the object. Plot a line on the map using the mountains rear bearing. The map is now oriented to the terrain. Put the compass anywhere on top of the map. 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. One advantage is it's probably more accurate when it comes to "shooting azimuths," meaning the act of determining the specific compass direction to a spot on the earth. Place your map in such a way that the terrain features line up with your maps features. Kierans bookClimbing the Wallsan exploration of the mental health benefits of climbing, mountaineering, and the great outdoorsis scheduled for release by Simon & Schuster in April 2021. Double-check by making sure the map title or legend text is the correct way up, or find the maps north arrow. Its a subtle difference, but its a roundabout way of saying lensatic compasses are less prone to interference than others. Contours are king. Save my name, email, and website in this browser for the next time I comment. 4.
Read Online Compass Reading Study Guide - ftp.avenza.com Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. Visit our corporate site (opens in new tab). Assume youre going on a short trek from one location to another. (1) Compass-to-cheek method (figure C-21). Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. 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. Plot a line on the map using the back bearing from that mountain. Take a bearing to a visible landmark using your compass. If the contour interval is 10 meters, then what is the change in elevation of each intermediate contour . The number one destroyer of compasses and any enclosed items like these is moisture. Save my name, email, and website in this browser for the next time I comment. Take your compass and line up the edges with the north-south gridlines on your map.
Map-and-Compass Skills: How-To - TREAD Magazine 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. As a result, its declination would be 14 degrees west. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); MyOpenCountry is a participant in the Amazon Services LLC Associates Program. (They are oriented to Grid North, which is not necessarily the same as . 1. Position in the area. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. My 159-page, fully illustrated book is yours for the asking. The compass baseplates edge is now pointed in the direction of the visible landmark you used to get your bearing. The courses of streams change, field boundaries move, new hedgerows are built, walls are plundered for buildings, glaciers melt, roads and bridges are washed away by floods, houses are knocked down and rebuilt somewhere else. Performance Steps 1. ENROLL NOW. You cant see the end point in your terrain, so you cant shoot a bearing on it. Nothing is permanent and contours are more permanent than pretty much everything else on a map. The United States military needs to know how to navigate on land when all digital systems fail. But not to you, I trust. Turn the compass cover more or less perpendicular to the base. To determine the direction, or bearing, from one point to another, you need a. compass as well as a map. Ethan Allan, the peak you observed, is cut through by the plotted line. Adjustable Declination Compasses. When you return from using your lensatic compass, take it apart as much as possible to detect any moisture. Turn your entire body as a unit until 066 (062 + 004) degrees falls under your compass's fixed black index line. 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. Reserve!
Map & Compass: Adjust for declination & orient the map - Andrew Skurka The cover is used to protect the compass and also incorporates the sighting wirewhich helps you determine direction. Simply look for distinguishable landmarks that are marked on the map, and turn so that both you and the map are facing this object. But heres the catch: depending on where you are on the planet, the angle of declination varies. There's another way to orientate a map using a compass that starts slightly differently to what was explained above. 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. 3. Orient you compass with the bearing, and draw the bearing line. 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. Lensatic compasses aremade upof three parts: cover, base, and reading lens. Make sure the degrees of the dial are readable. It's important to hold your compass stable, squarely in front of you, and level. At least, I never saw him with one. 2. Step 3: Find a path that leads to the horizon. Turn your compass on its side. Hey, it happens! Because most of the components are housed in a casing, moisture can wreak havoc once its in there. 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. 3. Lets say you know youre southeast of Saddle Mountain and northeast of some smaller mountains. 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. Make an "L" shape with the index finger and thumb of your other hand. You get the picture. Your compass is now set. 2. So its declination would be 14W. (Be sure you understand magnetic declination. Open the compass all the way so that the cover locks into position against the base, forming a straightedge along the left side.
071-COM-1011 (Orient a Map Using a Lensatic Compass) Place compass on top of map. Thats right Contours are king. how to orient a map using a lensatic compass; how to orient a map in military; orient a map using a lensatic compass powerpoint "}},{"@type":"Question","name":"How do you orient a map to ground? As magnetic north changes depending on where you are in the world, you have to ensure you adjust your compass accordingly. To begin, use your compass to locate a peak on Saddle Mountain. Articles - Email - Linkedin - Facebook - Instagram. Holding any compass in a slack and half-a**ed (that's an old military term. navigation and combat. OEC G&V. Download. 3. Move the lens holder: Slightly push forward the lens holder. Below, we offer a short, straight-talking guide to how its done. You dont have your point position. There was a problem. Choosing a selection results in a full page refresh. Well, that is, unless you're doing something silly like holding the compass backwards. "}},{"@type":"Question","name":"How do you do map orientation? (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). Lets say youre planning a short hike from one point to another. For this task, the lensatic compass really shines. Your email address will not be published. 1. Turn the compass dial so that the bearing intersects the index line (2). Line your orienteering compasss base plate up with the maps north-south lines. Draw a line on the map at 130 degrees from Saddle Mountain. Where the line intersects with the highway is where you are on the map.
Determine a Magnetic Azimuth Using a Lensatic Compass Orient you compass with the bearing, and draw the bearing line. 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. The U.S. military M-1950 lensatic compass shown in this video is still in use today. Related Tags. Look directly down on the top (smaller card) of compass to view general orientation cardinal points. (Note: The magnetic compass needle should be ignored.) 2. 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. PARTS OF THE LENSATIC COMPASS Compass, Lensatic, US Army, closeup: 2 (From another source) 1. 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. A lensatic compass is often referred to as a military compass, and is typically used by the U.S. Military. We covered how to use a compass correctly, how to shoot your bearings, and the greatest map for navigating: the topo map, in Part I.
Land Nav Task 10 - Orient a Map Using a Lensatic Compass Using the rotating bezel, turn it until the direction of travel arrow lines up with the north arrow. Lets move to the opposite coast of the U.S. Lets say youre in the Adirondacks of New York. 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. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. The easiest way to orientate a map is to relate the features in front of you to the features on the map. Make sure the travel direction arrow is pointed in the direction you want to go. Your compass is now set. When you point your compass towards true north, your compass needle is going to point a little to the west.
SMCT: Orient a Map Using a Lensatic Compass - YouTube Looking at the map is an easy way of finding which direction north or east are relative to your current position.
Finding Your Way With Map and Compass | U.S. Geological Survey This is also known as triangulation. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction.
How to Use a Lensatic Compass - Brunton 3. Use the illustration above to familiarize yourself with the components of a lensatic compass. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. Youll want to rotate it till the black arrow outline matches the 4E hash mark. Dont worry that your red orientating arrow doesnt point exactly map north. NY 10036. Your lens piece will appear just above your thumb loop. 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. Start spinning the bezel slowly until the 'magnetized needle' is aligned with the 'orienting arrow.'. Remember, human features are the last port of call and, whats king again? Suunto M-3 Compass. If you have already adjusted your compass for magnetic declination, your map is now oriented and youre good to go. 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. True north is at the very top of the earth, while magnetic north is currently off the coast of Greenland. First, open the compass to its fullest so that the cover forms a straightedge with the base. 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. Magnetic north is now off the coast of Greenland, but true north is at the very top of the world. And thats it! You can see that the mountain is 24 degrees away from you. Knowing how to orientate a map is just one facet of the wider skill of knowing how to read a map. Oriented the map. If your map already has a line to show magnetic declination, you can take your compass and line its edges up along this.