Introduction to GPS : the Global Positioning System by Ahmed El-Rabbany

"This thoroughly revised edition of the Artech House bestseller, Introduction to GPS: The Global Position System offers professionals and students an up-to-date, easy-to-understand treatment of this tremendously important technology. The 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. " - Editorial Reviews