jgg     2012 32 (1):  76-79    ISSN: 0412-1961  CN: 21-1139/TG APPLICATION OF QUINTIC SPLINE INTERPOLATION TO\=[JZ] GPS SATELLITE ORBIT STANDARDIZATION Sun Huali; Zhang Zhengzhi; and Hu Sicai Troops 61920 of PLA, Chengdu 610505 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null