Session C5: Precise, Secure Timing and Time Transfer

RETURN TO SESSION LIST

Date: Friday, September 18, 2026
Time: 8:30 a.m. - 12:15 p.m.
Location: Windsong 9-10
In-Person presenters in this session provide pre-recorded presentations for viewing by registered attendees on Wednesday, September 16.

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 all registered attendees.
8:35	Complete System Validation of Optical Fiber-Assisted Galileo Timing Service Monitoring in the G2STB Francisco J. Sobrero, Alejandro Leiro, Adrián J. García, Cristina García GMV; E.Strazzer, N. Rana, D. Coulibaly, Thales Alenia Space; G. Galluzzo, B. Quaranta, S. Perea, C. Plantard, European Space Agency; E. Dierikx, Y. Xie, VSL
8:57	Adopting a Non-GNSS Architecture for LEO-PNT Systems: Developing More Resilient Systems Through a Multi-Tiered Approach J. Critchley-Marrows, T. Shibukawa, N. Sakamoto, V. Nery, K. Kakihara, T. Yasuda, T. Ono, T. Takasu, ArkEdge Space; E. Galletti, M. Murata, S. Kogure, Japan Aerospace Exploration Agency
9:20	Algorithm and Firmware Development on a Modular Time Generating Unit for a GNSS-Resilient UTC Realization Michael J. Coleman, US Naval Research Laboratory; and David B. Squires, Brandywine Communications, Inc.
9:43	Resilient Intelligent Mesh as a GNSS-Alternate for Robust PNT Thejesh N. Bandi, Sagar Dasgupta, Jahnvi Verma, Ahmed Alsharif, Adam Hauser, Patrick Kung and Mizanur Rahman, University of Alabama
10:05-10:35, Break. Refreshments served outside of session rooms
10:40	Assessing TWSTFT Resilience to RF Interference Using a Geostationary-Satellite Link Simulator Amir M. Osman, Center for Alternative Synchronization and Timing (CAST), Oak Ridge National Laboratory
11:03	Time Transfer Using Xona Pulsar: First Results from In-Orbit Validation LEO Satellite Srinivas Tantry, Thyagaraja Marathe, Andre Pant, Tyler Reid, Xona
11:26	Distributed Common-View Timing Using the OneWeb LEO Broadband Constellation Sorin Andrei Negru, Ivan Petrunin, Cranfield University; Rui Zuo, Eutelsat
11:48	Improving GNSS Jamming and Spoofing Resilience Through Low SWaP-C Precision MEMS Timing James Nguyen, Ron Rotstein, Tyler Hohman, SiTime
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 all registered attendees.
1.	Sequential Separate Clock Drift Anomaly Detection Method for GNSS Time Synchronization Attack Wenhao Li, Minghan Zhong, Mingquan Lu, and Hong Li, Department of Electronic Engineering, State Key Laboratory of Space Network and Communications, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University
2.	Operational C-Band Ground-to-LEO Time Transfer with TrustPoint LEONS Using Commercial Hosted Signal Capture Furqan Ahmed, George Schmitt, Francis Ahenkora, and Patrick Shannon, TrustPoint, Inc.
3.	A Comparison of Kalman Filter Noise Models for PNT Clocks Justin P. Coleman, Bradford E. Robertson, and Dimitri N. Mavris, Georgia Tech Aerospace Systems Design Lab
4.	Enhancing Timing Solutions with Time Difference Carrier Phase Ciro Gioia, European Commission Joint Reserach Centre; Gabriele Portelli Department of Science and Technology, University of Naples “Parthenope"; Antonio Angrisano Department of Engineering, Messina University; Salvatore Troisi, Salvatore Gaglione, Department of Science and Technology, University of Naples Parthenope

Awards Luncheon • 12:15 p.m. - 1:30 p.m. • Lunch served until 12:30 p.m.; late arrivals will not be served

RETURN TO SESSION LIST