jgg     2011 31 (5):  128-131    ISSN: 0412-1961  CN: 21-1139/TG A NEW METHOD FOR IMPROVING RTK MEASUREMENT ACCURACY Zhang Xianni 1) ; and Wang Lei 2,3) 1)Department of Resource Environment and Tourism, Chizhou College, Chizhou 2470002)School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou\ 2210083)Key Laboratory for Land Environment and Disaster Monitoring of SBSM,Xuzhou 221008 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null