You can, however, see the two points on your map. You are missing your point location. Lensatic compasses are used by the United States military for a reason. 3. At Advnture, we never head out into the backcountry without a map and compass. Turn your entire body as a unit until your predetermined azimuth falls under the fixed black index line. 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. Lets go back to our Muir Woods example. 3. Corrected the orientations of the map when the G-M angle exceeded 3 degrees (50 mils) using one of the following: a. (Note: Ignore the magnetic compass needle. Put your compass on your map. Orient the map to the terrain. Once you've got the bearing you can transfer it to the map. While this doesnt technically register as an electronic, were going to treat it like one. A Cumbrian born and bred, his native English Lake District has a special place in his heart, though he is at least equally happy in North Wales, the Scottish Highlands or the European Alps. If you dont start out using your lensatic compass with a map, then its just a regular compass. Lets return to Muir Woods as an example. But its important to understand the different types of navigational toolsincluding a lensatic compass. But lets say youre in the Muir Woods near San Francisco and youre facing true north. Survival Compass, Military Compass Hiking, Orienteering Lensatic Compass, Waterproof Navigation Compasses, Survival Emergency Luminous Sighting Compass. Now its time to use the lens. Next month, well wrap off our series with a final briefing on how to navigate using MGRS coordinates, exactly like the military. On the map, you are where the line connects with the highway. The lensatic compass must always be held level and firm when sighting on an object and reading an azimuth. "}},{"@type":"Question","name":"How do you orient a map to ground? Choosing a selection results in a full page refresh. Youve got your dependable compass and a map of the region, but youre not sure where you are in respect to the map. Yeah, book is the most effective tool that can be made use of for affecting your life. In Part I, we covered how to properly use a compass, how to shootyour bearings, and the best map for navigating: the topo map. What if you dont have access to a compass that can compensate for declination? Assume youre southeast of Saddle Mountain and northeast of a few of lesser peaks. Step 4: Walk along the path and make sure your compass always points North. Tags: download Elcenter Course, mp3 download Elcenter Course, download mp3 Elcenter Course, mp3 gratis Elcenter Course, Elcenter Course lagu mp3 dan video mp4. Take that bearing and plot it on the map using the technique explained above. 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. Program, Strengthen Your Tribe: A Report on the Atomic Athlete Vanguard, The Best Riddles for Kids (With Answers! To find the tower's bearing with your lensatic compass: 1. With the map in a horizontal position, 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 . Hand placement: Insert your thumb through the thumb loop and the index finger along the compass. 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. We still need to understand where we are in reference to our map how to orient ourselves before we can start really navigating, which well cover in Part III of this series. 4. 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. 4. (Note: The magnetic compass needle should be ignored.) Positioned the cover of the compass toward the top of the map. You will not be using it for the center-hold technique. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. Step 3 Use one of two techniques to orientate the map. Before we do that, lets dig a bit deeper into declination. You have your point location when you know precisely where you are in reference to your map. Youve orientated the map. Flip up the small magnifying glass. Sometimes limited visibility means terrain features may not be visible. 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. 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. Suunto M-3 Compass. Get my Land Navigation coursehere. 3. 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 from Saddle Mountain at 130. They could be your saving grace during a SHTF situation. Place your compass base plate on your map so the edge of the compass is aligned with the north-south meridian lines. Return from Lensatic Compass to How to Use a Compass. Some of the components' terms are used in the explanations below. First, use your compass to get a bearing on a peak of Saddle Mountain. Performance Steps 1. This is sometimes referred to as putting red in the shed. ? A compass is a device used for navigation and orientation. (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. Everything on your map will be reversed if youre looking south and holding the map right side up. You look out into the distance and you see another mountain peak, but you dont know the name of it. You now have your target's bearing. Because my magnetic declination is 4E, Ill move the black arrow outline to the red hash marks next to E DECL.. If you point your compass towards true north, your compass needle is going to point a little to the east. There is some technical difference between the two, but for all practical civilian purposes, the words are interchangeable. It. Using the side of your compass, draw a line towards the highway that youre on. If the magnetic declinationin your area were zero, you'd proceed in the direction of 062 degrees. You can use this feature to set your compass in the dark. 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. It typically consists of a magnetized needle that is mounted on a pivot and placed inside a circular housing. If you have already adjusted your compass for magnetic declination, your map is now oriented and youre good to go. 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. 3. Start spinning the bezel slowly until the 'magnetized needle' is aligned with the 'orienting arrow.'. 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. What if you dont have a compass that allows you to adjust for declination? Declination was taken into account while adjusting the compass. Step 2 Lay the map in a horizontal position. We can find out easily enough, though. 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. 3. 1. 3. Procedures. Method #1. All you have to do now is take a bearing towards the unnamed mountain. The variation between magnetic north and true north is currently so minor that this can generally be ignored. If youre facing south, but are holding the map right side up, everything on your map is going to be ass-backwards. navigation and combat. SEE IT. Related Tags. 2. The red end of the needle must be pointing to the top of the map. Housing lines should be parallel to the vertical grid lines on the map. Using your protractor or other straight edge, you draw a line from your current position in the direction of where you want to go. Above: For this example in the Grand Canyon, grid north ("GN") differs from true . 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. 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. There was a problem. In this case, it would be 204 (24+180). 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. 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. Its one of the most versatile navigation tools we have available today. Most compasses are marked with the four cardinal. Want to start taking action on the content you read on AoM? The floating dial is used to determine the direction in which you are pointing your compass. 2. that it is pointing towards the top of the map. Open the compass all the way so that the cover locks into position against the base, forming a straightedge along the left side. Copyright 2013-2019 Collingwood Publications LLC, It's important to hold your compass stable, squarely in front of you, and level. ), but youre not sure where. Make an "L" shape with the index finger and thumb of your other hand. The techniques employed when using the lensatic compass are as follows: a. Best Overall. Turn your declination-adjusted compass dial so due North is at the index pointer. Magnetic north would be around 14 degrees to your right, or east. You just need one more piece of information to figure out exactly where you are on the map. Orient your map so that its lined up with magnetic north (see above). This step comes after aligning our map and compass needle to magnetic north if using a compass that doesnt have a declination adjustment key. $7.20. To figure out precisely where you are on the map, you simply need one more piece of information. Read the number at the index line. When orienting a map, our aim is to position it so that the north-south grid lines on the map (eastings) are aligned north-south. Thank you for signing up to Advnture. For bearings of one to 179 degrees, rotate the bezel counter-clockwise. Overview. The map is now oriented to the terrain. Well say the declination value is 10 degrees. Use a Compass to Plot Bearings on a Map. UK readers, youre in luck. 2 a. Orient the map using the first technique. 1. Make sure the degrees of the dial are readable. Area Position. Take your compass and line up the edges with the north-south gridlines on your map.
John Ritter Family,
What Voltage Is 88vf Battery,
Articles H