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http://dx.doi.org/10.11108/kagis.2013.16.4.054

An Evaluation of the Accuracy of the Vertical Positioning by Distance Using Network RTK-GPS  

Mun, Du-Yeoul (Department of Civil Engineering, Dong-Eui University)
Lee, Sung-Su (Department of Civil Engineering, Dong-Eui University)
Kim, Myeong-Soo (Department of Civil Engineering, Dong-Eui University)
Shin, Sang-Ho (Department of Civil Engineering, Dong-Eui University)
Baek, Tae-Kyung (Department of Urban Engineering, Dong-Eui University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.16, no.4, 2013 , pp. 54-63 More about this Journal
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 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.
Keywords
Rules of Public Leveling; Network RTK-GPS; VDOP; Integrated Reference Point;
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Times Cited By KSCI : 3  (Citation Analysis)
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