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Alt-PNT and Aerospace Defense
1.0 WELCOME SLIDES – WSTS 2025
1.1. Cheryl Gramling, NASA – Opening Keynote: Insights for PNT at the Moon
1.2. Tariq Mondal, NAB – Broadcast Positioning System (BPS) Deployment
1.3. Daniel Burch, Oscilloquartz – GNSS Jamming Impact on Emergency Communications
1.4. Thejesh Bandi, University of Alabama – Keynote: Past, Present, and Future of Space Clocks
1.5. Lukasz Bonenberg, EU JRC – Keynote: The Proposed EU C-PNT Ecosystem and Terrestrial Time Transfer
1.6. Evan Alexander, Microchip – Timing in DoD Open System Architectures
1.7. Rohit Braggs, Iridium – Keynote: Issues of Providing PNT from LEO Satellite Systems
Telecom
3.1. Doug Arnold, Meinberg USA – Keynote: Telecom Standards for Resilient Timing
3.2. Charlie Meyer, Iridium – LEO STL to Maintain Time Synchronization
3.3. Alon Stern, Oscilloquartz – Ensuring Precise Timing in Increasingly Complex Environments
3.4. Steve Craycraft, Net Insight – Synchronization Over Combined Infrastructure
3.5. Karim Traore, Microchip – Challenges of Engineering the Synchronization Plane over Optical Networks
3.6. Stefano Ruffini, Calnex, Challenges for High-Speed Interfaces
3.7. Kishan Shenoi, Shenoi Consulting – Endpoint Clocks
3.8. Michael Mayer, Huawei Canada – Will 6G Require Additional Synchronization Capabilities?
Broadcast
4.1. Geshan Wrosinghert, Meinberg USA – UCA IEC61850 Interop Time Synchronization Testing Takeaways & Conclusions
4.2. Steve Kolta & Allan Armstrong, Meinberg USA – Validating Broadcast & Media Synchronization Interoperability
4.3. Harvey Arnold, Sinclair Broadcast Group – Deploying a Cost-Effective Method for Master Oscillator Lock for BPS Networks:
4.4. Magnus Danielson, Net Insight – Time Synchronization in Broadcast
4.5. Michael Overton, Telestream – Reducing Unnecessary Grandmaster Changeovers in PTP Networks for Broadcast Media Applications
4.6. Leigh Whitcomb, Meinberg USA – PTP Redundancy in the Broadcast and Professional Media Industries
Data Centers
2.1. Ahmad Byagowi, Turba – Keynote: Precision Timing as the Backbone of AI Hyper Scale
2.2. Jason Eshraghian, UC Santa Cruz – Keynote: The Brain Computes Using Time, and So Should Neural Networks
2.3. Ankur Sharma, Equinix – Predictive Observability: Reinventing Reliability in Hybrid Multi-Cloud Networks
2.4. Kenneth Hann, Timebeat.app – Clock Quorum
2.5. George Zampetti, Microchip – High Accuracy Revolution or Evolution?
2.6. Adam Paterson, Calnex – How to Monitor Sync in Data Centers
2.7. Joshua Levinson & Julien Ridoux, AWS – Democratizing and Scaling Accurate Time
Sources & Sync
5.01. Madura Fontaine, Epson – New OCXO Contributes to Lower Power Consumption
5.02. Ullas Kumar, Rakon – Innovative Suspended Quartz Structure Offers High Stability Reference Clocks
5.03. David Chandler, Microchip – The Effect of Clock Vibration Sensitivity on High-Speed Data Transmissions
5.04. Judah Levine, NIST – Improving the Stability of UTC (NIST) by Using the Data from the NIST Cesium Fountains
5.05. Alon Regev, Keysight – 802.1AS Time Synchronization Over Half-Duplex Ethernet Links
5.06. Lee Cosart, Microchip – Latest Advancements in the ePRTC and cnPRTC
5.07. Takaki Tominaga, Furuno Electric – Performance Assessment of GNSS Timing Using Advanced Grades of PVT Engines
5.08. Ben Pera, NIST – Improvements Made to NIST-Traceable GNSS Time Transfer Systems
5.09. Barry Dropping & Samer Darras, Microchip – Navigating Advanced Features of PTP in Complex Networks
5.10. Jeff Sherman, NIST – GNSS-Independent Time: Sources and Activities at NIST
5.11. Charlie Meyer, Iridium – ATIS Response to FCC Notice of Inquiry
Emerging Applications
6.1. Igal Pinhasov, Oscilloquartz – Managing the Entire Sync Network
6.2. Alon Regev, Keysight – TSN and Avnu Testing & Certification
6.3. Kevin Stanton, Stanton Consulting – The IEEE 802.1AS Profile of IEEE 1588
6.4. Fatima Anwar, UMass Amherst – Trusted Timing Systems for Untrusted Cloud-Edge Systems
6.5. David Mitlyng, Xairos – Keynote: An Integrated Quantum & Optical Terminal for Resilient PNT
6.6. Chris Farrow, Chronos – TETRA:BURST as a Wake-Up Call for All Critical National Infrastructure
6.7. Francisco Girela, Safran – Ultra-Accurate White Rabbit Synchronization for Quantum Key Distribution
Posters
Common Calendar
Differential Frequency Synchronization for PFM Using the PCle Common Clock
Exploring Time Synchronization and Performance Considerations for Fronthaul using TSN
Leveraging Traditional GNSS Time Servers for Resiliency and Interoperability in Complementary PNT (cPNT) Systems
Propitious Micro-/Nano-Electromechanical System as a Key to Ultraminiaturization of the Microwave Atomic Clock
Timebeat
Timing Synchronization Performance Monitoring
US Dept of Transportation and Innovate UK Complementary PNT Field Testing with Hoptroff
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