Thats right Contours are king. Shoot the reverse bearing you got with your compass from the top of Saddle Mountain on your map. 2. Tilt it forwards until you can see your sighting arrow. (They are oriented to Grid North, which is not necessarily the same as . 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. Check the index line to find out the bearing you just have taken. 9-4. Open the cover completely and pull back the rear sight. What's that? All Rights Reserved. Look at the index line and read the number. Turn your compass on its side. You need to know where youre going before toying with the compass. Your map (and yourself) are now be orientated north. Some of the components' terms are used in the explanations below. Well, that is, unless you're doing something silly like holding the compass backwards. ), Set Your Compass for Your Intended Azimuth. Double-check by making sure the map title or legend text is the correct way up, or find the maps north arrow. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. Looking at the map is an easy way of finding which direction north or east are relative to your current position. My 159-page, fully illustrated book is yours for the asking. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. How to use a lensatic compass - SlideShare Plus, as a web site visitor, you get a 50% discount off the regular price, meaning you get the whole course for $10. Adjust the compass bezel so that north on the compass corresponds to north on the map. Its not as easy to get lost on land without a map and compass. Before we do that, lets take a closer look at declination. Were not using it at all during this entire process.). Lets go to the other side of the country. Youre on that line, so you know where youre standing. If you point your compass towards true north, your compass needle is going to point a little to the east. On the other hand, wrap the fingers around the three fingers below the compass. Step 2. You can use it to find your bearings in any direction you need to go. The lensatic compass must always be held level and firm when sighting on an object and reading an azimuth. Lensatic compasses are used by the United States military for a reason. 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. (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). When you point your compass towards true north, your compass needle is going to point a little to the west. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. We need to compensate for the compass now that weve placed it on the map so that we can appropriately orient and travel. From this diagram, we can see that our compass would point to magnetic north a little over 13 degrees to the right of "straight up" on the map (grid north). The instances navigation needs to be most spot-on are when visibility is compromised. Sight: Now peek through the rear sight slot, aligning the sighting wire or the front sight to the desired direction or object. Enroll in my personalized step-by-step video-based online course. Rotate the compass dial until north on the compass ring lines up with north on the map. 4. 3. Well, youre going to have to do some math with all your bearings to make sure you get a true bearing. Of course, ignore all of this if youre hiking through the Netherlands or Florida, where hills and, by extension, contour lines are somewhat rare. 3. Step 2: line the compass up with the map. And thats it! Hiking Compas - walmart.com 1. 3. (Be sure you understand magnetic declination. Module 11 Plotting Position Coordinates exact positioning, used to communicate to others with a Step 4: Walk along the path and make sure your compass always points North. Used the G-M angle formed by the . There are so many different kinds of compasses, it can be hard to keep up. Youll see that it shows two arrows when you turn your headset or controllers around to show the new orientation of a map. The bezel clicks as it moves--three degrees for every click. $8.77. navigation and combat. It. Isnt that a little black arrow outline? When youre on this line and are facing true north, magnetic north lines up perfectly, too. Youve got your trusty compass and a map of the area, but you dont know exactly where you are in relation to the map. Positioned the cover of the compass toward the top of the map. Were going to use the back bearing of that to plot a line from Saddle Mountain towards our general direction on the map. If we dont account for declination and use our map to acquire directions to our destination, well be wrong by 14 or more when we start walking. So in this episode, well go through the abilities youll need. Were ready to start orienting ourselves now that our compass has been corrected for local declination. 3. But its important to understand the different types of navigational toolsincluding a lensatic compass. Now $7.56. 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. 4. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. Hand placement: Insert your thumb through the thumb loop and the index finger along the compass. You will not be using it for the center-hold technique. To get among the sources, you can discover the fascinating point to acquire. (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. 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. For bearings of 181 to 359 degrees, rotate the bezel clockwise. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction. ENROLL NOW. Heres our step-by-step guide to the most straightforward. The Lensatic compass is used to determine 'azimuths' or 'compass bearings' (horizontal angles). 2. With solid land-navigation skills, you'll be more confident and "at home" in the wilderness. Have you noticed the agonic line? Simply look for distinguishable landmarks that are marked on the map, and turn so that both you and the map are facing this object. Assume youre southeast of Saddle Mountain and northeast of a few of lesser peaks. You can see that the mountain is 24 degrees away from you. Once you are physically at your starting location, it's time to put your compass to good use. Get Free Compass Reading Study Guide - opus.soton.ac.uk Determine your position on the map and set the compass edge over it. 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. 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. 2. Execute your docs in minutes using our simple step-by-step instructions: Get the How To Use A Lensatic Compass you need. Keep it in a case, or wrapped up in a thick cloth to prevent those damages. Holding any compass in a slack and half-a**ed (that's an old military term. A power point class to Orient a Map Using a Lensatic Compass or $0.99 - Purchase Checkout Added to cart or $4.99 - Monthly Subscription Checkout Added to cart Billed once per month until cancelled or $14.99 - Annual Subscription Checkout Added to cart Billed once per year until cancelled or $9.99 - Protected: VIP Subscription Checkout Added to cart Billed once per year until cancelled . PPT - USING THE MILITARY LENSATIC COMPASS PowerPoint Presentation, free Whether or not you participate in orienteering, I'm confident you'll find that a properly oriented map is a huge help in finding your way. Magnetic north would be around 14 degrees to your right, or east. PDF Lensatic Compass or Military Compass Basic Use. - Survival Primer Sound complicated? Where the second line intersects with the first is where youre at on the map, more or less. Pull the ring underneath the compass and put your thumb through. . Get the free how to use a lensatic compass pdf form - pdfFiller 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. 2. True north and magnetic north are not the same, as stated in Part I. There is some technical difference between the two, but for all practical civilian purposes, the words are interchangeable. The first step is to always take a compass bearing. 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. Orienting the Map with an Orienteering Compass. We guide you on how to orientate a map with or without your compass so that you can navigate your way through the backcountry. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow . Magnetic north would be slightly to your right, or east, by about 14. So, how are you going to acquire your point position? Take your compass and turn the compass housing (bezel) until the red orientating arrow is in line with the direction of travel arrow. For this task, the lensatic compass really shines. Learn Land Navigation Now. 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. Dont worry that your red orientating arrow doesnt point exactly map north. At this point, your map is almost oriented. 1. Check back next month for our final briefingon how tonavigate using MGRS coordinates, just like they do in the military. Lay the compass on the map, using the straight edge to create a line from your starting point to your destination. 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. 1. What happens if you dont adjust your compass for declination? They both use magnetization to help you find where you are and where youre going, but theres a catch. This is commonly known as puttingthe red in the shed. When you have a line location, you know youre on a maps recognizable line (trail, ridge line, etc. We may use the map to identify any landmark we observe in our landscape once we know our point location. Whenever the luminous magnetic arrow lines up with the luminous short line, you're following your intended azimuth. Related Tags. 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. 1. Once you are physically at your starting location, its time to put your compass to good use. 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. Though GPS and smartphonesare reliable, its still vital to carry a compass, and know how to use it, as a backup or lifesaving form of navigation. The rear bearing is at a 50-degree angle. Take a bearing to a visible landmark using your compass. Read the number at the index line. 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. First things first. 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. 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. Old-School Navigation: How to Use a Map and Compass ? If not, recalibrate before continuing. Mt. Pros . {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How do you orient and read a map? Use the lens to look through the sighting line to find another landmark, and repeat until you reach your destination. Identify where you are on the map and place the compass edge over this location. Save my name, email, and website in this browser for the next time I comment. Move the lens holder: Slightly push forward the lens holder. Youve orientated the map. 5. You cant shoot a bearing on the end point in your terrain since you cant see it. Before we can start actually navigating, which well get to in Part IIIof this series, we still need to learnwhere we are in relation to our maphow to orient ourselves. 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. 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. You now have your target's bearing. What are 2 ways to orient a map? SPECS dimensions:4.1" x 2.4" x 0.6" |10.4 x 6.2 Read More. that it is pointing towards the top of the map. Step One: Take a Compass Bearing on the Ground. In such orientation we use a lensatic scale.