jgg     2007 27 (3):  123-127    ISSN: 0412-1961  CN: 21-1139/TG ON CLOCK JUMPS OF GPS RECEIVER Yang Jian 1,2) ;Wang Zemin 1,2) ;Wang Guiwen 1,2) ;Liu Jingbin 1,2) ; and Meng Yang 1,2) 1)School of Geodesy and Geomatics,Wuhan University,Wuhan 4300792)Chinese Antarctic Center of Surveying and Mapping,Wuhan 430079 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null