Refining the Klobuchar Ionospheric Coefficients Based on GPS Observations

Yuan, Y, Huo, X, Ou, J, Zhang, K, Chai, Y, Wen, D and Grenfell, R 2008, 'Refining the Klobuchar Ionospheric Coefficients Based on GPS Observations', IEEE Transactions on Aerospace and Electronic Systems, vol. 44, no. 4, pp. 1498-1510.


Document type: Journal Article
Collection: Journal Articles

Title Refining the Klobuchar Ionospheric Coefficients Based on GPS Observations
Author(s) Yuan, Y
Huo, X
Ou, J
Zhang, K
Chai, Y
Wen, D
Grenfell, R
Year 2008
Journal name IEEE Transactions on Aerospace and Electronic Systems
Volume number 44
Issue number 4
Start page 1498
End page 1510
Total pages 13
Publisher IEEE
Abstract A method is proposed to improve the GPS broadcast ionospheric time-delay correction accuracy, using GPS observation data from the globally distributed international GNSS service (IGS) observation stations and the Crust Movement Observation Network of China (CMONOC). A new set of Klobuchar-Self coefficients can be estimated using the method. Primary results demonstrate that the refined Klobuchar-Self coefficients developed may provide better ionospheric delay corrections for single-frequency GPS receivers and improve standard single point positioning accuracies.
Subject Geodesy
ISSN 0018-9251
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