Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter & GPS, 3rd Edition

Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter & GPS, 3rd Edition

Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter & GPS, 3rd Edition

Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter & GPS, 3rd Edition

Paperback(3rd ed.)

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Overview

Over 100K copies sold
  • The official navigation textbook used in outdoor education courses by thousands of students
  • Map and compass skills remain the foundation for traveling safely in the wilderness
This new third edition is a major and complete update of the popular textbook:
  • Improved throughout for clarity, with chapter objectives presented at the beginning of each chapter and summaries, "skills check" mini-quizzes, and practice problems listed at the end
  • Updated descriptions of the most current maps, compasses, altimeters, and Global Positioning System (GPS) receivers
  • Updated declination maps for the United States and the world (declination changes over time and compasses must be adjusted for a specific location to provide correct readings)
  • Much-expanded GPS chapter, including interfacing the GPS receiver with the home computer, maximizing battery life, and using the GPS function on a “smart” phones (along with a description of their limitations)
  • Additional information on non-GPS navigational techniques
  • Recommended websites, apps, and other sources of useful navigational information

Product Details

ISBN-13: 9781594859458
Publisher: Mountaineers Books, The
Publication date: 02/24/2015
Series: Outdoor Basics
Edition description: 3rd ed.
Pages: 176
Sales rank: 397,065
Product dimensions: 5.50(w) x 8.40(h) x 0.60(d)

About the Author

Bob Burns joined The Mountaineers Club in 1971. In 1972 he graduated from the Basic Climbing Course in the Everett branch. In 1975 he moved to Seattle, and graduated from The Mountaineers Snowshoe Course in 1974 and the Intermediate Climbing Course in 1976. He served on the Club’s Climbing Committee from 1975 to 1985, and on its Board of Trustees from 1986 through 1991. He has hiked, scrambled, climbed and snowshoed extensively in Washington, Oregon, and California.

Table of Contents

Preface 8

Acknowledgments 10

Introduction 11

Chapter 1 Map Basics 13

Understanding Map Types and Terms 14

Using USGS Topographic Maps 15

Reading Topographic Maps 16

Knowing the Limitations of Maps 28

Customizing and Modifying Maps 28

Carrying Maps on a Wilderness Trip 29

Finding and Buying Maps 30

The Importance of a Map 31

Chapter 2 Compass Basics 32

Types of Baseplate Compasses 33

Selecting and Purchasing a Compass 40

Bearings 41

Bearings in the Field 42

Magnetic Declination 46

Back Bearings 50

Bearings on a Map 51

Practicing with a Compass 54

Tips and Cautions for Compass Use 55

Map and Compass: A Checklist 57

And for the Last Time 58

Chapter 3 Orientation with Map and Compass 60

Point Position 61

Line Position 62

Area Position 63

Orienting a Map 65

Direction and Bearing of the Slope 66

A Reminder 67

Chapter 4 Navigation with Map and Compass 69

Map and Compass Navigation 71

Compass Alone 71

Using Intermediate Objectives 73

The Intentional Offset ("Aiming Off") 73

The Parallel Path 74

Navigating around an Obstruction 75

Always Keep the Return Route in Mind 76

A Reminder 77

Chapter 5 Lost! 79

How to Avoid Getting Lost 80

Staying Oriented en Route 85

What If You Do Get Lost? 89

Survival 91

Chapter 6 More About Maps 93

Using the Latitude and Longitude Coordinate System 93

Using the UTM Coordinate System 96

Navigation Using GPS and UTM Coordinates 100

Datum, Zone, and Latitude Bands 100

Other Coordinate Systems 102

Range, Township, and Section 103

Distance Measurement on a Map 106

Pace 108

Slope (Grade) Measurement on a Map 109

Chapter 7 More About Compasses and Geomagnetism 114

Where to Get Declination Information 114

Changes in Declination 117

Dip 121

Using a Clinometer 122

Other Types of Compasses 125

Chapter 8 The Altimeter 130

What an Altimeter Is and How It Works 131

Types of Altimeters 131

Precision and Accuracy 133

Effects of Barometric Pressure on Altimeters 134

Effects of Temperature on Altimeters 134

Cautions When Using an Altimeter in Wilderness Travel 135

Using an Altimeter in Wilderness Travel 135

Chapter 9 The Global Positioning System 139

Selecting a GPS Receiver (or Unit or Device) 141

Getting Started with GPS 144

Using a GPS Receiver in Wilderness Navigation 144

Interfacing a GPS Receiver with a Home Computer 346

Limitations and Pitfalls of GPS Receivers 148

Coping with the Limitations of GPS Receivers 150

Using the GPS Function in Smart Devices 152

Precautions When Using Smart Mobile Devices for Wilderness Navigation 157

Chapter 10 Wilderness Routefinding 160

Trip Planning and Preparation 160

On the Trail 162

In the Forest 164

In the Desert 366

In Alpine Areas 167

On Snow 168

On Glaciers 171

Moats and Bergschrunds 173

The Bootprint 173

Bibliography 177

Appendix: Practice Problems 178

Answers to Problems 186

Index 187

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