ANALYSIS ON TROPOSPHERIC DELAY IN ANTARCTIC GPS POSITIONING
1)College of Geology Engineering and Geomatics, Chang’an University, Xi’an 710054
Abstract Based on quantitative analysis for influence of tropospheric corrected model on the positioning precision in the Antarctic GNSS positioning, a tropospheric corrected model with real meteorological data is proposed to improve positioning precision in the same elevation cutoff angle. Correspondingly, under the condition of keeping the same positioning precision, the model can reduce elevation cutoff angle from 15 degrees to 5 degrees, which means that more lower elevational observations can be used to improve positioning precision and reliability significantly
Key words ：
GPS
Antarctic positioning
tropospheric delay
model correction
elevation angle
Received: 02 May 2013
Published: 23 January 2014
Cite this article:
Xu Yan,Yang Yuanxi,Xu Guochang. ANALYSIS ON TROPOSPHERIC DELAY IN ANTARCTIC GPS POSITIONING[J]. jgg, 2014, 34(1): 104-107.
Xu Yan,Yang Yuanxi,Xu Guochang. ANALYSIS ON TROPOSPHERIC DELAY IN ANTARCTIC GPS POSITIONING[J]. jgg, 2014, 34(1): 104-107.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I1/104
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