실시간 DGPS를 이용한 헬리콥터 착륙 시스템 개발 Oct 1, 1999· Sungmin Park Jeonghan Kim Deokho Hwang Jaegyu Jang Changdon Kee , Hyeongtaek Park , Hongman Park , Changhyo Lee · 0 min read Last updated on Oct 1, 1999 Authors Sungmin Park Ph.D Authors Jeonghan Kim Ph.D Authors Deokho Hwang M.S Authors Jaegyu Jang Ph.D Authors Changdon Kee Professor ← GPS를 이용한 스키어(skier) 교육용 소프트웨어 개발 Oct 1, 1999 A Solution of Natural Way to Implement WADGPS in East-Asia: Decentralized WADGPS Sep 1, 1999 →