Tong Liu | Intelligent Computational Geodesy and PNT (ICG-PNT) Labhttps://www.icg-pnt.com/author/tong-liu/Tong LiuHugo Blox Builder (https://hugoblox.com)en-usSun, 01 Feb 2026 00:00:00 +0000https://www.icg-pnt.com/author/tong-liu/avatar_hu_32332474e170254.jpgTong Liuhttps://www.icg-pnt.com/author/tong-liu/Ionospheric nonlinear interpolation model for Mid- and Low-latitude network RTK during solar maximahttps://www.icg-pnt.com/publication/ionospheric-nonlinear-interpolation-network-rtk/Sun, 01 Feb 2026 00:00:00 +0000https://www.icg-pnt.com/publication/ionospheric-nonlinear-interpolation-network-rtk/A Novel Network RTK Technique for Mobile Platforms: Extending High-Precision Positioning to Offshore Environmentshttps://www.icg-pnt.com/publication/network-rtk-offshore/Sun, 01 Jun 2025 00:00:00 +0000https://www.icg-pnt.com/publication/network-rtk-offshore/Spatiotemporal inhomogeneity of accuracy degradation in AI weather forecast foundation models: A GNSS perspectivehttps://www.icg-pnt.com/publication/ai-weather-accuracy-degradation-gnss/Fri, 21 Mar 2025 00:00:00 +0000https://www.icg-pnt.com/publication/ai-weather-accuracy-degradation-gnss/Model the Ionospheric Gradients Between Satellites in Network RTKhttps://www.icg-pnt.com/publication/ionospheric-gradients-network-rtk/Wed, 09 Oct 2024 00:00:00 +0000https://www.icg-pnt.com/publication/ionospheric-gradients-network-rtk/AI Foundation Models Facilitate Real-time Global GNSS Precipitable Water Vapor Retrieval with Sub-millimeter Accuracyhttps://www.icg-pnt.com/publication/ai-foundation-models-gnss-pwv/Fri, 12 Jul 2024 00:00:00 +0000https://www.icg-pnt.com/publication/ai-foundation-models-gnss-pwv/