jgg     2013 33 (5):  44-48    ISSN: 0412-1961  CN: 21-1139/TG

REAL-TIME ESTIMATION OF SATELLITE CLOCK AND PPP 
PRECISION ANALYSIS BASED ON IGS REGIONAL NET
1) College of Geology Engineering and Geomatics, Chang’an University, Xi’an 710054
2) State Key Laboratory of GeoInformation Engineering, Xi’an 710054
3) Xi’an Research Institute of Surveying and Mapping, Xi’an 710054
Received: 2013-01-23  Revised: null  Online: 2013-10-13
Supporting info