An easy-to-use, step-by-step guide to using and walking with a GPS receiver. This fully updated edition uses the new Garmin eTrex 10 to introduce the principles of GPS navigation and has a major new chapter devoted to geocaching.
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An easy-to-use, step-by-step guide to using and walking with a GPS receiver. This fully updated edition uses the new Garmin eTrex 10 to introduce the principles of GPS navigation and has a major new chapter devoted to geocaching.
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