Abstract
The satellite navigation system (SNS) pseudorange measurements are affected by several random and systematic errors. The troposphere, neutral, the lowest part of the terrestrial atmosphere, is a non dispersive medium for radio waves below 15 GHz. It means for all SNS frequencies also. The troposphere causes the delay in both pseudorange and carrier-phase measurements. This delay is a function of the tropospheric refractive index, which depends on the local meteorological data. The user’s position error caused by troposphere, is smaller than ionospheric error, but cannot be eliminated by measurements. It can only be approximated by a general calculation model. Several empirical models used for the mitigation of the tropospheric refraction where the meteorological surface data are taken into account are described in the paper. The role of the troposphere in the error budget for the SNS horizontal positioning performance, the detailed relations and equations concerning tropospheric delay are presented also.
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Januszewski, J. (2013). How the Troposphere Affects Positioning Solution Using Satellite Navigation Systems. In: Mikulski, J. (eds) Activities of Transport Telematics. TST 2013. Communications in Computer and Information Science, vol 395. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41647-7_34
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DOI: https://doi.org/10.1007/978-3-642-41647-7_34
Publisher Name: Springer, Berlin, Heidelberg
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