Detection and Estimation of Multipath Error in GPS Pseudorange Measurements using Signal-To-Noise Ratio in a Stationary Single-Frequency Receiver Jun 1, 1996· Breivik , Forssel , B. Changdon Kee , Enge , P. , Walter , T. · 0 min read Last updated on Jun 1, 1996 Authors Changdon Kee Professor ← Wide Area Augmentation of the Global Positioning System Jul 1, 1996 Future Satellite Navigation System: Wide-area Augmentation System (WAAS) Jun 1, 1996 →