비동기 의사위성을 이용한 GPS 보강 시스템 Nov 1, 2004· Taikjin Lee Haeyoung Jun Changdon Kee · 0 min read Last updated on Nov 1, 2004 Authors Taikjin Lee Ph.D Authors Haeyoung Jun Ph.D Authors Changdon Kee Professor ← 무인항공기의 지상활주 모델링 Nov 1, 2004 Budget Analysis and Realization of Precise RTK-GPS Via Compact Correction Messages Applied to Commercial GPS Receivers Sep 1, 2004 →