The Ionospheric Delay Improvement of the Stanford WAAS Network Jan 1, 1995· Chao , Y. C. , Tsai , Y. J. , Walter , T. Changdon Kee , Enge , P. , Parkinson , B. W. · 0 min read Last updated on Jan 1, 1995 Authors Changdon Kee Professor ← Evaluation of Orbit and Clock Models for Real Time WAAS Jan 1, 1995 Calibration of Multipath Errors on GPS Pseudorange Measurements Sep 1, 1994 →