GPS Satellite State Vector Determination in ECI Coordinate System using the Civil Navigation Message Jan 1, 2014· Ghangho Kim Sanghoon Jeon Changdon Kee , Tae Soo No , Kiho Kwon , SeungWoon Choi · 0 min read DOI Last updated on Jan 1, 2014 Authors Ghangho Kim Ph.D Authors Sanghoon Jeon Ph.D Authors Changdon Kee Professor ← “Korean SBAS Development Progress and Test Results of Pseudolite-Based SBAS Demo System Jan 1, 2014 Multiple-Hypothesis RAIM Algorithm with an RRAIM Concept Jan 1, 2014 →