Development of SBAS Simulation Software for Analysis of KASS Availability Performance Dec 1, 2017· Bongkwan Choi Donguk Kim Deokhwa Han Jungbeom Kim Changdon Kee · 0 min read Last updated on Dec 1, 2017 Authors Donguk Kim Ph.D Authors Deokhwa Han Ph.D Authors Jungbeom Kim Ph.D Authors Changdon Kee Professor ← A Study on Ionospheric Pierce Point Search Algorithm for Performance Improving the SBAS Ionospheric Delay Correction in the Korean Region Dec 1, 2017 Efficiency Enhancement Plan of the Ambiguity Leveling System for Multiple Custers Dec 1, 2017 →