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GPS measurements to investigate the reason why GPS is less accurate in mountain areas
International Association of Geodesy Symposia
It has been pointed out that GPS results in mountain areas are usually less accurate than those in flat areas, especially in the vertical component, when the height difference among observation stations is large. It is thought that the decrease of accuracy is caused by insufficient corrections for tropospheric delay of the GPS microwave. In order to investigate the difference of tropospheric delays at sites located on high mountains and those at valleys, and furthermore to improve the accuracydoi:10.1007/3-540-27432-4_8 fatcat:fn4swjdie5gmbdjpysaortertm