How Does GPSWork? GPS Accuracy The accuracy of a position determined with GPS depends on the type of receiver. Most hand-held GPS units have about 10-20...
GPS World - Home Page
A team with expertise in systems engineering, digital signal processing ... More Articles. One-Chip Challenge. Indoor GPS: The No-Chip Challenge...
Garmin: What is GPS? GPS units typically will not work indoors, underwater or underground.
Howstuffworks "How GPS Receivers Work"
> Search HSW and the Web. Main > Electronics > Gadgets. How GPS Receivers Work ... by Marshall Brain & Tom Harris Table of Contents...
Magellan
Manufacturer of handheld and portable GPSsystems. Technology facts and product support online.
The GPS Resource Library
The Global Positioning Systems (GPS) Resource Library ... Corvallis Microtechnology -- high-accuracy, ruggedized field GPS units for GIS work
Trimble - All About GPS
All About GPS. Why GPS? What is GPS? How GPS Works. Differential GPS. Putting GPS to Work. Glossary How to Use this Tutorial GPS is a complex...