A regional tropospheric model for airborne GPS applications

Wang, Q.; Xu, Guochang; Schaefer, U.; Meyer, Uwe; Xu, Tingting

doi:10.1016/j.asr.2011.03.013

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“…Because of large spatial-temporal heterogeneities in the lower atmosphere, these empirical models can easily result in residual tropospheric errors that are several centimeters at the zenith and are highly variable between different seasons and regions [2]. Recently, many regional GPS networks have been constructed, therefore, there are many regional tropospheric model were constructed using precise tropospheric data from reference stations [1,3,4]. Song et al [5] established a new tropospheric delay model over China (named the SHAO-C model).…”

Section: Introductionmentioning

confidence: 99%

A Regional Zenith Tropospheric Correction Model Based on the Guangxi CORS Network

Liu

Huang

Zhang

et al. 2013

AMM

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In this paper, the relationship between zenith tropospheric delays and the altitude of stations is analyzed using the EGNOS tropospheric correction model. The new model (EHT model) is proposed for estimating zenith tropospheric delays from regional CORS data without meteorological data. The proposed model is compared with the direct interpolation method and the remove-restore method using data from Guangxi CORS. The results show that the new models significantly improve the calculated precision.

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