XIE Yibing, WU Jicang, CHEN Junping, LIU Weizhou. Global Ionospheric TEC Modeling Using Measured GPS and GLONASS[J]. Geomatics and Information Science of Wuhan University, 2014, 39(8): 930-934. DOI: 10.13203/j.whugis20130128
Citation: XIE Yibing, WU Jicang, CHEN Junping, LIU Weizhou. Global Ionospheric TEC Modeling Using Measured GPS and GLONASS[J]. Geomatics and Information Science of Wuhan University, 2014, 39(8): 930-934. DOI: 10.13203/j.whugis20130128
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Global Ionospheric TEC Modeling Using Measured GPS and GLONASS

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  • Objective According to the requirements of high precision satellite navigation and ionosphere activitymonitoring,double-frequency measurement data from 238IGS stations are used to calculate verticalionosphere electron content(VTEC),DCB of GPS,GLONASS and the corresponding receiver basedon the spherical harmonic function model.The results show that this implemented model is reliable.The DCB precision of GPS and GLONASS obtained is less than 0.1ns when compared with the resultsof CODE and less than 0.2ns when compared with that of IGS.The DCB precision of GPS and GLO-NASS receivers are less than that 2ns,while the precision of VTEC is better than 3TECU in compar-ison with that of CODE and IGS,and better than before combination.
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