ON SELECTION OF FRAMEWORK STATIONS'' FOR DATA PROCESSING OF ANTARCTIC ZHONGSHAN STATION
南极中山站数据处理中IGS框架站的选择

Taking the calculation of the first hundred days' data of Zhongshan station with the help of GAMIT as an example,the principles for choosing IGS tracking stations as fiducial station in Antarctic GPS data processing are discussed.Aiming at choosing IGS stations,the net-shaped,net margin,number of selected stations and mutual offset of polar coordinates Z are respectively calculated,and the results are compared with each other in following aspects:NRMS,baseline vector,baseline repetition rate and mean square...