Session F4b: Atmospheric Effects on GNSS

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Date: Thursday, September 14, 2023
Time: 1:45 p.m. - 5:30 p.m.
Location: Agate (Third Floor)
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 Peer Reviewed Best Presentation
2:12	Connections Between Gravity Waves, the Polar Vortex and Traveling Ionospheric Disturbances Sevag Derghazarian, Larisa Goncharenko, MIT Haystack Observatory; V. Lynn Harvey, Laboratory for Atmospheric and Space Physics; Shun-Rong Zhang, Anthea Coster MIT Haystack Observatory; C. E. Randall, Laboratory for Atmospheric and Space Physics; Grace Kwon, University of Michigan
2:35	Ionospheric Irregularities Signature Correlation on ROT Variation for Earthquake Detection and Epicenter Estimation: Case Study of Tohoku (2011) & Turkey-Syria (2023) Earthquakes 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 Bubbles using VHF Radar Images and Spatial ROTI Maps at Low-Latitude Region Napat Tongkasem, Lin M.M. Myint, Pornchai Supnithi, School of Engineering, King Mongkut's Institute of Technology Ladkrabang; Kornyanat Hozumi, Michi Nishioka, National Institute of Information and Communications Technology Peer Reviewed
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; Susumu Saito, Electronic Navigation Research Institute, National Institute of Maritime, Port and Aviation Technology Peer Reviewed
5:08	Modeling the Interference of Ionospheric Irregularities on GNSS Signals Using Discrete Markov Chains Paulo R. P. Silva, Instituto Tecnológico de Aeronáutica; Marcelo G. S. Bruno, Instituto Tecnológico de Aeronáutica; and Alison O. Moraes, Instituto de Aeronáutica e Espaço Peer Reviewed
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 Vector Tracking GNSS Software Defined Radio C. Anderson Givhan, Scott Martin, Auburn University

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 Different Geomagnetic Storms in 2015 Yang Liu, Marconi Lab, Science Technology and Innovation Section, Abdus Salam International Centre for Theoretical Physics; Kunlin Yang, School of Instrumentation and Opto-Electronic 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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