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A method for the ionospheric delay estimation and interpolation in a local GPS network



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Lacy de, María Clara and Sanso, Fernando and Gil, A. J. and Rodríguez Caderot, Gracia (2005) A method for the ionospheric delay estimation and interpolation in a local GPS network. Studia Geophysica et Geodaetica, 49 (1). pp. 63-84. ISSN 0039-3169

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To estimate ionospheric delays from the Global Positioning System (GPS) measurements, satellite and receiver equipment biases have to be modeled. This paper presents a procedure based on the least squares (LS) approach, which implicitly takes into account these equipment biases in the estimation of the ionospheric effect. The second part of this work deals with the interpolation of the ionospheric correction from a permanent GPS network to a single frequency GPS user. The results obtained show that for 10-cm position accuracy the ionospheric delay can be successfully interpolated when the GPS user is within 40 km of the GPS permanent network.

Item Type:Article
Uncontrolled Keywords:GPS; Ionospheric delay; Pseudorange electronic bias; Interpolation
Subjects:Sciences > Mathematics > Geodesy
ID Code:17766
Deposited On:18 Jan 2013 09:06
Last Modified:27 Jul 2018 08:29

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