Navigation Augmentation in Urban Area by HALE UAV with Onboard Pseudolite during Multi-Purpose Missions Sep 1, 2017· O-Jong Kim Sunkyoung Yu Heekwon No Changdon Kee Minwoo Choi , Hyojeong Seok , Donghwan Yoon Byungwoon Park , Cheolkyu Jee · 0 min read DOI Last updated on Sep 1, 2017 Authors O-Jong Kim Ph.D Authors Sunkyoung Yu Ph.D Authors Heekwon No Ph.D Authors Changdon Kee Professor Authors Minwoo Choi M.S Authors Byungwoon Park Ph.D ← Modified Kriging Based Double-Difference Tropospheric Correction Interpolation Method for Network RTK User Sep 1, 2017 Performance Analysis on Multi-Constellation SBAS of the Modified L1-only SBAS Message Sep 1, 2017 →