Session F4b: Atmospheric Effects on GNSS

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Date: Thursday, September 14, 2023
Time: 1:45 p.m. - 5:30 p.m.
In-Person presenters in this session provide pre-recorded presentations for viewing by registered attendees on Wednesday, September 13.

In-Person Presentations These presentations will be given in-person at the conference. Presenters will provide a pre-recorded presentation for on-demand viewing by virtual attendees.
1:50	Residual Error Model to Bound Unmodeled Tropospheric Delays for Terrestrial Navigation Systems for Very Low Elevation Angles : Shrivathsan Narayanan, Technical University of Berlin Student Paper Award Winner
2:12	Connection between Stratospheric Gravity Waves, Mesospheric Winds and Traveling Ionospheric Disturbances : Sevag Derghazarian, Larisa P. Goncharenko, Shun-Rong Zhang, Anthea J. Coster, MIT Haystack Observatory; V. Lynn Harvey, Cora Randall, University of Colorado Boulder, LASP
2:35	Ionospheric Irregularities Signature Correlation on ROT Variation for Earthquake Detection and Epicenter Estimation: A Case Study of the Türkiye-Syria Earthquake : Minhyoung Cho, Jeonghyeon Yun, Byungwoon Park, Sejong University
2:58	Ionosphere TEC Observation over Ocean Using Single-frequency Wideband GNSS Signal Reflectometry : Yang Wang, Smead Department of Aerospace Engineering Sciences, University of Colorado Boulder
3:25 - 3:55, Break. Refreshments in Exhibit Hall
4:00	Near-Real-Time Anomaly Detection in Total Electron Content for the GUARDIAN Ionospheric Monitor : Siddharth Krishnamoorthy, Léo Martire, Jet Propulsion Laboratory, California Institute of Technology; Fiona Luhrmann, Jihye Park, School of Civil and Construction Engineering, Oregon State University; Attila Komjathy, Béla Szilágyi, Larry Romans, Panagiotis Vergados, Jet Propulsion Laboratory, California Institute of Technology
4:23	Comparative Study of the Equatorial Plasma Bubble Using VHF Radar and ROTI Spatial Map From Low-Latitude Region : Napat Tongkasem, Lin M.M. Myint, Pornchai Supnithi, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Thailand and Kornyanat Hozumi, National Institute of Information and Communications Technology, Japan
4:46	Effects of Equatorial Plasma Bubbles over Real-Time Kinematic Positioning in Low-Latitude Region : Phyo C Thu, Pornchai Supnithi, Lin Min Min Myint, Jirapoom Budtho, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Thailand Susumu Saito, Electronic Navigation Research Institute, National Institute of Maritime, Port and Aviation Technology, Japan
5:08	Modeling the Interference of Ionospheric Irregularities on GNSS Signals Using Discrete Markov Chains : Paulo R. P. Silva, Instituto Tecnológico de Aeronáutica; Alison O. Moraes, Instituto de Aeronáutica e Espaço; and Marcelo G. S. Bruno, Instituto Tecnológico de Aeronáutica
Alternate Presentations Alternate presentations may be given in-person at the conference if other authors are unable to present. Alternate Presenters will provide a pre-recorded presentation for on-demand viewing by virtual attendees.
1.	Transient Intermediate-Scale Irregularities and GPS Scintillation Associated With Mid-Latitude Trough : Sebastijan Mrak, University of Colorado Boulder
2.	Analysis of an Ionospheric Free Dual Frequency Vector Tracking GPS L1/L5 Software Defined Radio : C. Anderson Givhan, Scott Martin, Auburn University
3.	Reporting Abnormally High Amplitude Scintillation with GLONASS L1 during Low Solar Activity : Muhammad Mubasshir Shaikh, Abdollah Masoud Darya, Ilias Fernini, Space Weather and Ionosphere Laboratory, Sharjah academy for Astronomy, Space Sciences and Technology, University of Sharjah

Virtual Presentations Pre-recorded presentations will become available for viewing by registered attendees on Wednesday, September 13.
	Comparison of Global TEC Prediction Performance with Two Deep Learning Frameworks : Kunlin Yang, School of Instrumentation and Opto-Electronic Engineering, Beihang University; Yang Liu, School of Instrumentation and Opto-Electronic Engineering, Beihang University, Marconi Lab, Science, Technology and Innovation Section, Abdus Salam International Centre for Theoretical Physics
	Comparison of Ionospheric Responses in America Induced by Two Different Geomagnetic Storms in 2015 : Yang Liu, School of Instrumentation and Opto-Engineering, Beihang University, Marconi Lab, Science, Technology and Innovation Section, Abdus Salam International Centre for Theoretical Physics; Kunlin Yang, School of Instrumentation and Opto-Engineering, Beihang University
	Non-Isotropic Definition And Characterization Of GNSS Tropospheric Delay Based On IGGIII : Hongzhan Zhou, Ying Xu, Zaozao Yang, Shandong University of Science and Technology

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