jgg     2014 34 (2):  31-35    ISSN: 0412-1961  CN: 21-1139/TG

ON STABILITY OF DIFFERENT OBSERVATION PIERS OF GNSS 
CONTINUOUS STATION
1)National Earthquake Infrastructure Service,Beijing 100036
2)First Crust Monitoring and Application Center,CEA,Tianjin 300180
Received: 2013-06-30  Revised: null  Online: 2014-04-21
Supporting info