The Need for Range Rate Correctionsin DGPS Correction Messages Sep 1, 2004· Byungwoon Park Jeonghan Kim , Sanghoon Jun Changdon Kee , And Kalafus R. · 0 min read Last updated on Sep 1, 2004 Authors Byungwoon Park Ph.D Authors Jeonghan Kim Ph.D Authors Changdon Kee Professor ← RTK-GPS correction generation technique for low-rate data-link Sep 1, 2004 Modified Tomographic Estimation of the Ionosphere using Fewer Coefficients May 1, 2004 →