jgg     2010 30 (2):  120-124    ISSN: 0412-1961  CN: 21-1139/TG CYCLE SLIPS DETECTING AND REPAIRING BY USEOF PHASE REDUCE PSEUDORANGE LAW ANDIONIZED LAYER REMNANT METHOD OF DIFFERENCE Chen Pinxin 1) ; Zhang Chuanyin 1) ;and Huang Kunxue 1,2) 1)Chinese Academy of Surveying and Mapping, Beijing 1000392)Shandong University of Science and Technology, Qingdao 266510 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null