This thoroughly revised edition offers an up-to-date, easy-to-understand treatment of this tremendously important technology without bogging readers down with advanced mathematics. This second edition includes a wealth of brand new material, including a chapter on GPS satellite orbit and new coverage of today's hottest issues such as precise point positioning and location-based services. Contents Ch. 1: Introduction to GPS Ch. 2: GPS Details Ch. 3: GPS Satellite Orbit Ch. 4: GPS Errors and Biases Ch. 5: GPS Positioning Modes Ch. 6: Ambiguity Resolution Techniques Ch. 7: GPS Data, Products, and Correction Services Ch. 8: GPS Standard Formats Ch. 9: GPS Integration Ch. 10: GPS Applications Ch. 11: Other Satellite Navigation Systems