Galileo High Accuracy Service: Tests in Different Operational Conditions by Luca Cucchi, Sophie Damy, Ciro Gioia, Beatrice Motella, Matteo Paonni

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Improving the Prediction of GNSS Satellite Visibility in Urban Canyons Based on a Graph Transformer by Shaolong Zheng, Kungan Zeng, Zhenni Li, Qianming Wang, Kan Xie, Ming Liu, Shengli Xie

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Improving GNSS Positioning Correction Using Deep Reinforcement Learning with an Adaptive Reward Augmentation Method by Jianhao Tang, Zhenni Li, Kexian Hou, Peili Li, Haoli Zhao, Qianming Wang, Ming Liu, Shengli Xie

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Navigator Notes: Editorial Highlights from the Editor-in-Chief by Richard B. Langley

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Addressing Inaccurate Phase Center Offsets in Precise Orbit Determination for Agile Satellite Missions by Kevin Gutsche, Thomas Hobiger, Stefan Winkler

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GNSS Meta-Signal Tracking Using a Bicomplex Kalman Filter by Daniele Borio, Melania Susi

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Cooperative Localization for GNSS-Denied Subterranean Navigation: A UAV–UGV Team Approach by David Akhihiero, Uthman Olawoye, Shounak Das, Jason Gross

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Satellite Ephemeris Parameterization Methods to Support Lunar Positioning, Navigation, and Timing Services by Marta Cortinovis, Keidai Iiyama, Grace Gao

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Feasibility Study of GBAS/INS and RRAIM for Airport Surface Movement Under Low-Visibility Conditions by Junesol Song, Carl Milner, Heekwon No

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Hybrid Carrier Tracking with Decoupled Local Filters in Multi-Frequency GNSS Receivers by Rong Yang, Jihong Huang, Xingqun Zhan

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Timescale Realization with Linked Platforms for AltPNT by Christopher Flood, Penina Axelrad

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Tightly Coupled Graph Neural Network and Kalman Filter for Smartphone Positioning by Adyasha Mohanty, Grace Gao

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Efficient Signal Quality Monitoring of GNSS Signals Disturbed by Evil Waveforms by Fernando D. Nunes, Fernando M. G. Sousa

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Equatorial plasma bubble model and integrity risk evaluation for ground based augmentation system in Hong Kong by Wang Li, Yiping Jiang

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A reliable NLOS error identification method based on LightGBM driven by multiple features of GNSS signals by Xiaohong Zhang, Xinyu Wang, Wanke Liu, Xianlu Tao, Yupeng Gu, Hailu Jia, Chuanming Zhang

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Visual-inertial navigation assisted by a single UWB anchor with an unknown position by Haolong Luo, Danping Zou, Jiansheng Li, Ancheng Wang, Li Wang, Zidi Yang, Guangyun Li

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An improved carrier-phase-based method for precise time synchronization using the observations from the China Space Station-ground synchronization system by Yanming Guo, Zhibing Pan, Xuewen Gong, Shuaihe Gao, Pei Wang, Yan Bai, Kun Song, Chen Zhou, Yuping Gao, Xiaochun Lu, Shougang Zhang

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Enhancing underwater target detection: Fusion of spatio‐temporal incompletely‐aligned AIS and sonar information via DTW and multi‐head attention mechanism by Wenbo Zhao, Xinghua Cheng, Dezhi Wang, Xiaodan Xiong, Xiaoshuang Zhang

“…IET Radar, Sonar & Navigation…”
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Effect of phase centre variation on tropospheric delay in PPP‐AR with low‐cost global navigation satellite systems receiver and antenna by Jizhong Wu, Xiaoying Wang, Hongyang Ma

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A novel sparse recovery space‐time adaptive processing algorithm using the log‐sum penalty to approximate the ℓ0 − norm penalty by Kun Liu, Tong Wang

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