CALCULATION OF IONOSPHERIC VTEC BY USING SINGLE EPOCHGPS DUAL FREQUENCY CARRIER-PHASE
Lin Jian 1,2,3) ;Wu Yun 1,2) ;Zhou Yiyan 1,2) ;Shi Shunying 1,2) ; and Xing Lelin 1,2)
1)Institute of Seismology, CEA, Wuhan 4300712)Crustal Movement Laboratory , Wuhan 4300713)School of Geodesy and Geomatics,Wuhan University,Wuhan 430079
Abstract A new calculation method of VTEC(Vertical Total Electron Content) of the vertical space above fiducial station is presented, in which the single integer ambiguity and dual frequency observations are directly used to calculate VTEC. The result shows that the change tendency of the calculated VTEC is consistent with the provided data by IGS（International GNSS Service）,and its inner precision is so good that can reflect the ionospheric activity in some extent.
Key words ：
VTEC(Vertical Total Electron Content)
single epoch
integer ambiguity
cycle slips
inner precision
Received: 01 January 1900
Corresponding Authors:
Lin Jian
Cite this article:
Lin Jian,Wu Yun,Zhou Yiyan et al. CALCULATION OF IONOSPHERIC VTEC BY USING SINGLE EPOCHGPS DUAL FREQUENCY CARRIER-PHASE[J]. , 2007, 27(5): 68-71.
Lin Jian,Wu Yun,Zhou Yiyan et al. CALCULATION OF IONOSPHERIC VTEC BY USING SINGLE EPOCHGPS DUAL FREQUENCY CARRIER-PHASE[J]. jgg, 2007, 27(5): 68-71.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2007/V27/I5/68
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