2025 Presentations

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