Precise orbit determination of Haiyang-2D using onboard BDS-3 B1C/B2a observations with ambiguity resolution by Kecai Jiang, Wenwen Li, Min Li, Jianghui Geng, Haixia Lyu, Qile Zhao, Jingnan Liu

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Analysis of groundwater changes (2003–2020) in the North China Plain using geodetic measurements by Renli Liu, Bo Zhong, Xianpao Li, Kaiyuan Zheng, Hong Liang, Jiaming Cao, Xiao Yan, Haixia Lyu

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Quasi-4-dimension ionospheric modeling and its application in PPP by Shengfeng Gu, Chengkun Gan, Chengpeng He, Haixia Lyu, Manuel Hernandez-Pajares, Yidong Lou, Jianghui Geng, Qile Zhao

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Real-Time Tomographic Inversion of Truncated Ionospheric GNSS Radio Occultations by Germán Olivares-Pulido, Manuel Hernández-Pajares, Enric Monte-Moreno, Haixia Lyu, Victoria Graffigna, Estel Cardellach, Mainul Hoque, Fabricio S. Prol, Riccardo Notarpietro, Miquel Garcia-Fernandez

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The Spectrum of Global Electron Content: A New Potential Indicator of Space Weather Activity by Josep Maria Aroca-Farrerons, Manuel Hernández-Pajares, Haixia Lyu, David Roma-Dollase, Raul Orus-Perez, Alberto García-Rigo, Victoria Graffigna, Germán Olivares-Pulido, Enric Monte-Moreno, Heng Yang, Qi Liu

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Wide-Area GNSS Corrections for Precise Positioning and Navigation in Agriculture by Manuel Hernández-Pajares, Germán Olivares-Pulido, Victoria Graffigna, Alberto García-Rigo, Haixia Lyu, David Roma-Dollase, M. Clara de Lacy, Carles Fernández-Prades, Javier Arribas, Marc Majoral, Zizis Tisropoulos, Panagiotis Stamatelopoulos, Machi Symeonidou, Michael Schmidt, Andreas Goss, Eren Erdogan, Frits K. van Evert, Pieter M. Blok, Juan Grosso, Emiliano Spaltro, Jacobo Domínguez, Esther López, Alina Hriscu

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