Abstract
In this paper, we evaluate the accuracy of the vertical positioning by distance using Network RTK-GPS. The experimental results confirm that Network RTK-GPS method can acquire data quickly and accurately than conventional leveling methods so that the Network RTK-GPS method is a relatively efficient and economical way for the vertical positioning. Results of validation using permanent GPS stations indicate that visible satellites, PDOP, and VDOP are very good for the vertical positioning. Integrated 2013년 8월 21일 접수 Received on August 21, 2013 / 2013년 10월 7일 수정 Revised on October 7, 2013 / 2013년 11월 7일 심사완료 Accepted on November 7, 2013 1. 동의대학교 토목공학과 Department of Civil Engineering, Dong-Eui University 2. 동의대학교 도시공학과 Department of Urban Engineering, Dong-Eui University ※ 연락저자 E-mail : dymun@deu.ac.kr Network RTK-GPS를 이용한 거리별 수직위치결정의 정확성 평가 / 문두열 · 이성수 · 김명수 · 신상호 · 백태경 55 reference points such as U0997 and U0921 are satisfied with 3 ratings in the rules of public leveling and all the rest are proved improper. When the vertical positioning using Network RTK-GPS is implemented, the geoid height of EGM2008 should be applied for leveling. If the number of geodetic satellite are increasing in the near future, the vertical positioning using Network RTK-GPS can be possible in all the range.
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