Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 18, issue 18
Articles | Volume 18, issue 18
https://doi.org/10.5194/gmd-18-6167-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-18-6167-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 18
Development and technical paper
 | 
19 Sep 2025
Development and technical paper |  | 19 Sep 2025

A new vertical reduction model for enhancing the interpolation accuracy of VMF1/VMF3 tropospheric delay products

Peng Sun, Kefei Zhang, Dantong Zhu, Shuangshuang Shi, Xuexi Liu, Dongsheng Zhao, Minghao Zhang, and Suqin Wu

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Short summary
A new method has been developed to more accurately adjust atmospheric delay data for use in satellite positioning, especially in areas with large height differences. By using long-term weather data and testing with global observation stations, the new method significantly improves accuracy compared to traditional approaches. This can benefit applications such as precise positioning and weather monitoring using navigation satellite signals.
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