Pacific PNT
April 13-16, 2026
Honolulu, Hawaii
Session C6: Ionosphere and Troposphere Monitoring with GNSS
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Date: Thursday, April 16, 2026
Time: 1:00 p.m. - 4:00 p.m.
Location: Prince Jonah Room
Session Chairs
Dr. Guohao Zhang
The Hong Kong Polytechnic University
Dr. Zhe (Jenny) Yang
Tongji University
| 1:05 |
LSTM-Based Quantile Regression for Dynamic Zenith Wet Delay Overbounding
Hou Xuejie and Jiang Yiping, Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University |
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| 1:27 |
LEO-Enhanced Crowdsourced Tropospheric Delay Correction Maps (LEO-CTM): Transforming Zenith Tropospheric Delay from Long-Convergence Estimates to Real-Time and Reliable Crowdsourced Parameters
Xinyu Zhang, Hongjin Xu, State Key Laboratory of Precision Geodesy, APM, CAS;· Xingyu Chen, State Key Laboratory of Precision Geodesy, APM, College of Earth and Planetary Sciences, CAS;·Yunbin Yuan,· Jikun Ou, State Key Laboratory of Precision Geodesy, APM, CAS |
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| 1:49 |
Signal-Density Adaptive Grid (SAG) for 3D GNSS Water Vapor Tomography
Yuqing Liu, Qi Zhang, School of Geodesy and Geomatics, Wuhan University; Chaoqian Xu, School of Geodesy and Geomatics & Hubei Luojia Lab, Wuhan University; Xiongwei Ma, College of Geomatics, Xi’an University of Science and Technology; Xiuguang Yao, Yibin Yao, School of Geodesy and Geomatics, Wuhan University |
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| 2:11 |
Impact of Ionospheric Disturbances during Solar Cycle 25 on SLAS: The DGPS-Based Augmentation Service of QZSS
Yuri Kato, Kazushi Suzuki, Ryo Ariyama, Tomotaka Kaneda, Tempei Kondo, NEC Corporation; Higuchi Motoki, NEC Aerospace Systems, Ltd; Michi Nishioka, Septi Perwitasari, Takuya Tsugawa, National Institute of Information and Communications Technology |
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| Break, 2:35 p.m. - 2:55 p.m. | ||
| 2:55 |
A High-Dimensional Spatial-Temporal Ionospheric Threat Model for Satellite-Based Augmentation Systems
Hui Ren and Yiping Jiang, Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University |
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| 3:17 |
Observation of the 3-D Structure of the Iono-front Using Global Ionosphere Specifications Based on COSMIC-2 Observation
Charles Lin, P. K. Rajesh, Department of Earth Sciences, National Cheng Kung University; Chi-Yen Lin, Center for Astronautical Physics and Engineering, National Central University |
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