Calibration of Multipath Errors on GPS Pseudorange Measurements Sep 1, 1994· Changdon Kee , Parkinson , B. W. · 0 min read Last updated on Sep 1, 1994 Authors Changdon Kee Professor ← The Ionospheric Delay Improvement of the Stanford WAAS Network Jan 1, 1995 Flight Trials of the Wide-Area Augmentation System (WAAS) Sep 1, 1994 →