“Navigation Augmentation in Urban Area with Pseudolite Equipped High Altitude Long Endurance UAV Jan 1, 2015· O-Jong Kim Minwoo Choi Sunkyoung Yu Heekwon No , Hyojeong Seok , Donghwan Yoon Byungwoon Park Changdon Kee , Cheolkyu Jee · 0 min read Last updated on Jan 1, 2015 Authors O-Jong Kim Ph.D Authors Minwoo Choi M.S Authors Sunkyoung Yu Ph.D Authors Heekwon No Ph.D Authors Byungwoon Park Ph.D Authors Changdon Kee Professor ← DO-278의 Validation & Verification에 적합한 WA-DGNSS 기준국 소프트웨어의 모듈별 통합 검증 방법론 제시 Feb 1, 2015 “Orbit Determination of an LEO Orbiter with Less Than Four Visible GPS Satellites Jan 1, 2015 →