Estimation of Multipath Error in GPS Pseudorange Measurements Mar 1, 1997· Breivik , K. , Forssel , B. Changdon Kee , Enge P. , Walter Told. · 0 min read DOI Last updated on Mar 1, 1997 Authors Changdon Kee Professor ← GPS 수신기를 이용한 전리층 시간지연측정 및 L1/L2 오차의 추정 Apr 1, 1997 Quality Control Algorithms on WAAS Wide-Area Reference Stations Mar 1, 1997 →