GPS Accuracies

Survey Grade
Method Typical Accuracy Occupation Time Typical Applications
Continuous < 0.5cm Months or more Crustal deformation, geophysics, reference stations
Static 0.5 cm - 5 cm Hours to days Crustal deformation, geodetic control, very long baseline surveys, geophysics
Rapid Static 1 cm - 5 cm Minutes Short baseline surveys, glaciology
Kinematic 1 cm - 5 cm Seconds Short baselines, closely spaced points, vehicle positioning, feature surveys, GIS and mapping
Mapping Grade
Method Typical Accuracy Occupation Time Typical Applications
Code differential 50 cm - 300 cm Seconds Coarse GIS, mapping, positioning
Carrier differential 15 cm - 100 cm Minutes GIS, mapping, positioning
Recreational Grade
Method Typical Accuracy Occupation Time Typical Applications
Point positioning 100 cm - 800 cm Minutes to hours Rough positioning (uncorrected)