A Regional Alternative Navigation Using the High Altitude Long Endurance UAVs with Onboard Pseudolite and Transceiver Nov 1, 2015· Minwoo Choi Donguk Kim Sunkyoung Yu O-Jong Kim Changdon Kee Byungwoon Park , Cheolkyu Lee , Seungwoo Seo , Junpyo Park · 0 min read Last updated on Nov 1, 2015 Authors Minwoo Choi M.S Authors Donguk Kim Ph.D Authors Sunkyoung Yu Ph.D Authors O-Jong Kim Ph.D Authors Changdon Kee Professor Authors Byungwoon Park Ph.D ← 맵매칭을 이용한 스마트폰 기반 실내 항법 기술 Nov 4, 2015 Reliability Verification of MATLAB GUI Based Simulation Tool for Generating GPS Measurements Nov 1, 2015 →