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Article: Global positioning system accuracy increased. (Technical News).
- Article from:
- Public Roads
- Article date:
- September 1, 2002
CopyrightCOPYRIGHT 2002 Superintendent Of Documents. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Researchers working with global positioning systems (GPS) have improved the accuracy of locating a moving object to within 3.5 centimeters (1.4 inches). Previous accuracy was in the range of 20 centimeters (7.9 inches).
High Accuracy-Nationwide Differential Global Positioning Systems (HA-NDGPS), the next step in the ...