Errors+&+Accuracy

Satellite geometry and accuracy measures

Sam Wormley's GPS errors Principles of Error Theory and Cartographic Applications

NGS Survey Marker Accuracy

FGDC Geospatial Positioning Accuracy Standards, Part 1: Reporting Methodology

FGDC Geospatial Positioning Accuracy Standards PART 4: Standards for Architecture, Engineering, Construction (A/E/C) and Facility Management

Minnesota Positional Accuracy Handbook