Backazimuth

Azimuth and Back Azimuth. The most common military method of expressing a direction is by using azimuths. As stated before, an "azimuth" is defined as a.
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Back Azimuth – how to calculate and why you need to know | Chris Echterling

This book has become the most widely read classic on the subject of map reading, compass use, and orienteering. Over , copies have been sold in the english language editions alone. There have been very successful editions published in French, Italian, and other languages as well. It is a short just over pages , easy to read, enjoyable book that can help you to have fun while you learn the subject quickly and effectively.

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The book is organized into four main parts, plus a short, useful introduction. Part 1 covers having fun with maps alone. Then, Part 2 covers having fun with a compass alone. Part 3 puts it together and shows you how to have fun with a map and compass together. This section also introduces the game or sport of orienteering.

Part 4 covers competitive orienteering for those who would like to compete with others in the sport. A reproduction of a segment of an actual topographic map is included as a fold-out in the back of the book.


  • Description.
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It is used together with the "how-to" instructions the book provides. For example, one of the exercises in Part 3 is an imaginary orienteering "hike" that uses the sample map. Read a book review of Agincourt. Origin of azimuth circle. Distance does not change an accurately measured azimuth.

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Books Buy the book this website is based on: Book Review - Be Expert with Map and Compass One of the best ways to learn and become proficient in any subject is to find a way to make a game or sport of it. If you would like to have one of the best books available on map reading and using a compass, Be Expert with Map and Compass is hard to beat. First, shoot your azimuth. Then, calculate according to the following rules:. Exactly degrees, or South, then your back azimuth is either 0 or degrees, both of which are, of course, North.

What is a back azimuth used for

The most common need for a back azimuth, in my experience, is reversing a path. If you have shot an azimuth on a landmark and approached that landmark only to find out that your path will not work, you may need to reverse that path all the way back to your last known point. You will use the back azimuth to find the exact direction you need to follow to reverse your path. Pace counting will be very useful here as well because it will allow you to easily return to an exact point.


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Output can either be a plot or a zip file of separate data files one for each selected component along with a metadata. Subsets of any coordinate systems may be selected. Subsets may not be mixed.

For example, the following are illegal: The metadata properties file contains additional information describing the transformation that has occurred, including:. This file is included in the downloaded. The trace may have instrument corrections applied. Any corrections or scaling occurs before the rotation is performed.

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The units will be in raw counts. However, instrument response is not applied.