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HOW TO USE LENSATIC COMPASS PDF

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Learn how to use the lensatic compass used by the US Military. Plotting a bearing on a map using a round lensatic compass. Sighting the bearing. To determine our location we are going to combine two pieces of information. Use a compass to explore, navigate, map terrain and travel around the Engineers, the engineer compass is also called a lensatic compass.

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This means that compqss around the 12 year mark, the tritium in your lensatic compass will have radiated about half the energy that it has to offer. Proceed to that target.

I guess the military needs the extra accuracy now and then say, for example, to precisely place artillery fire.

Lensatic Compass Guide

That’s the heading that you need to move along to reach your desired end or way point. Now, hold the compass level and squarely in front of you.

Start by putting dompass thumb through the thumb loop and putting your index finger alongside the compass, similar to the cheek method. The bezel clicks as it moves–three degrees for every click. From your known location on the map, you take your protractor, line it up to true north, find the angle to your next point, adjust for declination, and then shoot that angle with your compass.

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The location we sighted the bearing to the cabin is where the back bearing intersects the lake shore. What Are the Parts of a Sextant?

Plotting a bearing on a map using a round lensatic compass

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For this task, the lensatic compass really shines. Do not move your head, but raise and lower your lenastic when taking the azimuth using an engineer compass.

Lensatic Compass Guide

The cover protects the compass from damage and also contains a wire stretched from top to bottom. Copyright Leaf Group Ltd. When performed correctly, you will return to the same line you lfnsatic traveling before you encountered the obstacle.

Mark the position of the notches to be with a pencil.

How to Read an Engineer Compass | Sciencing

But a compass can never lose connection to the GPS satellites and will never run out of batteries. How to Use a Bushnell Voyager Telescope. Raise the compass up to your eye. How to Hold a Lensatic Compass.

That line should intersect reasonable close to where the other lines crossed. Some of these compasses have a notch at each end of the housing along this line. How to Use the Engineer Compass. The lensatic compass is used by the U. Next, do the same for the second point. At night, however, or in other periods of limited visibility fog, blizzard, etc keeping these two luminous bits lined up will be your only remedy. 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.

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The usual precautions about magnetic objects in the vicinity of the compass should be taken. Robin Reichert is a certified nutrition consultant, certified personal trainer and professional writer. Use a file to make a permanent notch at each end. One disadvantage is, unlike the orienteering compass, it’s not easy to make it double as a protractor, meaning you’ll have to carry a protractor with you. This, in a nutshell, is how to perform a resection with a lensatic compass.

Set up correctly, when the bezel mark and needle are aligned, the sighting wire points at the chosen landmark. It has replaced radium in recent decades after it was discovered that radium exposure is linked to an increased occurrence of bone cancer.