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《Wtusm Bulletin of Science and Technology》 2003-01
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ESTABLISHING THE IONOSPHERIC DELAY MODELS WITH GPS DUAL FREQUENCY MEASUREMENTS

LI Zhenghang1 ZHAO Xiaofeng2 CAI Changsheng1 (1 School of Geodesy and Geomatics;2 National Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,129 Luoyu Road,Wuhan 430079,China)  
This paper introduces the general situation of ionosphere,the propagation of GPS signals in ionosphere,the ionospheric correct models,and the principles,the methods,the results of establishing the ionospheric delay models (or VTEC models) with GPS dual frequency measurements.
【CateGory Index】: P228.4
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