“Korean SBAS Development Progress and Test Results of Pseudolite-Based SBAS Demo System Jan 1, 2014· Deokhwa Han Ho Yun Chongwon Kim O-Jong Kim Changdon Kee · 0 min read Last updated on Jan 1, 2014 Authors Deokhwa Han Ph.D Authors Ho Yun Ph.D Authors Chongwon Kim Ph.D Authors O-Jong Kim Ph.D Authors Changdon Kee Professor ← “Improvement of DGPS Positioning Accuracy for Low Cost Receiver using FKP Correction Message Jan 1, 2014 GPS Satellite State Vector Determination in ECI Coordinate System using the Civil Navigation Message Jan 1, 2014 →