"GPS Made Easy (Third edition): Using Global Positioning Systems in the Outdoors" by Lawrence Letham is a comprehensive guide on utilizing GPS technology in outdoor environments. This third edition book is part of the GPS Made Easy series and provides users with practical information on how to effectively use GPS systems for navigation and tracking in various outdoor settings. Lawrence Letham's expertise in the field of GPS technology makes this book a valuable resource for outdoor enthusiasts and adventurers looking to enhance their outdoor experiences with the use of GPS devices.
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