5006-681 Wilderness Navigation Handbook

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5006-681
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Unlock the complexity of map and chart reading as it relates to navigation. Designed for use on land or water, this guide starts by explaining the tools of navigation – compass, altimeter, GPS system, and sextant – and shows you to how to use them. Sometimes things don’t go as planned, so it also covers factors that cause tools and techniques to fail, such as why an altimeter shows the wrong elevation, a GPS position is off track, or the sun points in an unexpected direction. Also has specific info on using the moon and stars for directions and position, measuring boiling water temperature for elevation, map projections and datums, and the UTM/UPS grid system. Includes 21 practical, real-life scenarios,