jgg     2011 31 (4):  80-83    ISSN: 0412-1961  CN: 21-1139/TG CONVERGENT ANALYSIS OF REAL-TIME ESTIMATION OF SATELLITE CLOCK BIAS Li Li 1,2) ; Zhu Jianjun 2) ;Chen Yongqi 2, 3) ; Kuang Cuilin 2) ; Long Sichun 1) ; and Li Hongyu 4) 1)Hunan Key Laboratory of Coal Resources Clean-utilization and Mine Environment Protection, Hunan University of Science and Technology , Xiangtan 411201;2)Department of Survey Engineering and Geomatics, Central South University, Changsha 410083;3)Department of Land Surveying and Geo-informatics, Hong Kong Polytechnic University, Hong Kong, China;4)College of Water Conservancy and Civil Engineering,Inner Mongolia Agricultural University, Hohhot 010018 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null