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Developement of GPS Data Quality Control Program  

Yun Hong-Sic (성균관대학교 토목환경공학과)
Lee Dong-Ha (성균관대학교 토목환경공학과)
Lee Young-Kyun (성균관대학교 토목환경공학과)
Cho Jae-Myung (성균관대학교 토목환경공학과)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.24, no.1, 2006 , pp. 9-18 More about this Journal
Abstract
This paper describes a new program called GPS_QC needed to check the quality of GPS observations before post-processing so that the surveyors can be improved the precision of GPS data analysis. The GPS_QC was designed to calculate the quality control (QC) parameters such as data gaps, cycle slips, low elevation angle, inonspheric delay, multi-path effects and DOP etc, within the period of GPS observation. It can be used to read and calculate the QC parameters from RINEX files. This program gives users brief statistics, time series plots and graphs of QC parameters. The GPS_QC can simply be performed the quality checking of GPS data that was difficult for surveyors in the field. It is expected that we can be improved the precision of positioning and solved the time consuming problem of GPS observation.
Keywords
GPS Data Quality Control; Quality Control Parameter; GPS_QC Program;
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