Robert J. Sweet is the national director of education for the U.S. Power Squadrons, America's largest membership boating educator. With more than 30 years' boating experience, Bob is rated Senior Navigator, the U.S. Power Squadrons' highest grade. Bob is a former radar and communications system engineer and executive manager of a corporate business unit that helped develop GPS for the U.S. Air Force. Now a business advisor to high-tech companies, he is also a navigation instructor and the author of several top-selling nautical references and several U.S. Power Squadrons course books.

1:How GPS Works 2: GPS Recievers and Systems: Handhelds, Chartplotters 3: Using GPS to Navigate 4: Additional GPS Features 5: Working with Waypoints and Routes 6: Chartplotting 7: Navigation Software Systems 8: Installing Your GPS 9: Working with GPS and Other Onboard Systems Appendix: Relating GPS Displays to What's Happening Onboard Glossary Resources Index