ANNUAL PERIOD CHANGES OF ZENITH TROPOSPHERIC DELAY OF CORS STATIONS IN TIANJIN DISTRICT
Tang Chaohua; Li Tao; Shi Chuang; and Zhang Shiyu
GNSS Research Center,Wuhan University, Wuhan 430079
Abstract The annual period changes of zenith tropospheric delay for two years were calculated from the observations of 9 GPS continuously operating stations in Tianjin area as well as 4 IGS reference staions, and the timespace correlations of zenith tropospheric delay at different locations were analyzed. The results show that the mean values of differences among stations are about ±4 mm , the standard errors are better than 1cm; the mean values of differences between the data of 2006 and 2007 are about 9mm , the standard errors are better than 4cm.
Key words ：
groundbased GPS meteorology
zenith tropospheric delay
timespace correlation
yearly period
continuously operating stations
Received: 01 January 1900
Corresponding Authors:
Tang Chaohua
Cite this article:
Tang Chaohua,Li Tao,Shi Chuang et al. ANNUAL PERIOD CHANGES OF ZENITH TROPOSPHERIC DELAY OF CORS STATIONS IN TIANJIN DISTRICT[J]. , 2009, 29(2): 106-110.
Tang Chaohua,Li Tao,Shi Chuang et al. ANNUAL PERIOD CHANGES OF ZENITH TROPOSPHERIC DELAY OF CORS STATIONS IN TIANJIN DISTRICT[J]. jgg, 2009, 29(2): 106-110.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2009/V29/I2/106
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