The Users Guide to GPS Author:Bonnie Dahl Effectively master your GPS--In writing for both the novice and experienced navigator, Bonnie Dahl outlines the basic theories behind the Global Positioning System in addition to exploring the further possibilities your receiver provides. Become familiar with the variety of units available from competing manufacturers. Understand the historica... more »l background of the satellite system. Use the included maps and diagrams as visual support in understanding the theories and applications explained in the text. Chapter sub-headings serve to speed the reader towards specific information easily.« less