| Time (CET) | Presentations |
| Day 1 (10 February 2026): Systems and Services |
| 09:00 ‑ 09:10 | Welcome from Workshop Co-Chairs |
| Keynotes: Co-chairs: Xinuo CHANG (CAST), Floor MELMAN (ESA) |
| 09:10 – 09:35 | Enabling Lunar Exploration: ESA’s PNT Roadmap and User Benefits, Javier Ventura-Traveset (ESA) |
| 09:35 – 10:00 | Lunar PNT Activities of ICG and IOAG, ICG WG-L Co-Chairs and IOAG WG Co-Chairs |
| Session: Lunar PNT Frameworks & Systems: Session Co-chairs: Matt COSBY (UKSA), Ashish SHUKLA (ISRO) |
| 10:30 – 10:40 | Introduction by session co-chairs |
| 10:40 – 10:55 | LunaNet Interoperability Update, Cheryl Gramling (NASA) |
| 10:55 – 11:10 | Enabling Cislunar Exploration Through NASA’s LCRNS System PNT Services, Jason Soloff (Intuitive Machines) |
| 11:10 – 11:25 | Moonlight Programme Development Status, Monica Gotta (ESA), Carlo Albanese (TPZ) |
| 11:25 – 11:40 | Japan Lunar Navigation Satellite System (LNSS) and Toward LunaNet LANS Interoperability Demonstration, Masaya Murata (JAXA) |
| 11:40 – 11:55 | Indian Lunar PNT System Development, Ashish K Shukla (ISRO) |
| 11:55 – 12:10 | Lunar activities by the Italian Space Agency, Mauro Cardone (ASI) |
| 12:10 – 12:30 | Q&A |
| Session: Standardization and Governance: |
| 14:00 – 15:30 Sub-session: Standardization | Session Co-chairs: Jӧrg HAHN (ESA), Cheryl GRAMLING (NASA) |
| 14:00 – 14:10 | Session Scope and Introduction by session co-chairs |
| 14:10 – 14:25 | From the Earth to the Moon: LUNEX – Lunar Unified Navigation Exchange Format, F. Gini (Chair IGS RINEX Committee) and A. Hauschild (Vice Chair IGS RINEX Committee) |
| 14:25 – 14:40 | Standardisation for Lunar PNT receivers, Samuele Fantinato (Qascom) |
| 14:40 – 14:55 | Standards: The good, the bad, and the applicability, S. Lightman (NIST) (virtual) |
| 14:55 – 15:10 | Progress on Cislunar CCSDS Standards as a Foundation for Interoperability, Erik Schoenemann (ESA) |
| 15:25 – 15:30 | Conclusions |
| 16:00 – 17:30 Sub-session: Governance | Session Co-chairs: Masaya MURATA (JAXA), Guoyu Wang (Beijing Institute of Technology) |
| 16:00 – 16:20 | ATLAC Framework: Principles, and Pathways for International Consultation on Lunar Activities, Ulpia Elena Botezatu (UN COPUOS ATLAC Co-Chair) |
| 16:20 – 16:40 | IOAG Committee to Study LunaNet Governance (CSLG), Masaya Murata (IOAG CSLG Co-Chair) |
| 16:40 – 17:00 | The Expected Lunar Activity Coordination Principle and Mechanism, Guoyu Wang (Beijing Institute of Technology) |
| 17:00 – 17:20 | Principles and Practices of Lunar Information Sharing, Antonino Salmeri (Lunar Policy Platform) |
| 17:20 – 17:30 | Wrap-up by session co-chairs |
| Day 2 (11 February 2026): Lunar Reference Frame and Time |
| 09:00 – 12:30 Sub-session: Lunar Reference Frame, Session Co-chairs: Susan STEWART (IAU), Agnes FIENGA (IAG) |
| 09:00 – 09:10 | Lunar Reference Frame Standards, Susan Stewart (IAU) |
| 09:10 – 09:30 | Roadmap for Conventions, Agnes Fienga (IAG) |
| 09:30 – 09:50 | Reference Frames for Interoperability Within LunaNet, Cheryl Gramling (NASA) |
| 09:50 – 10:10 | ESA Activities in Support of Lunar Reference Frame, Sara Bruni (ESA) |
| 10:10 – 10:30 | Lessons Learned from the Implementation of a Lunar Reference Frame for the KPLO Mission, Moon-Jin Jeon (KARI) |
| 11:00 – 11:20 | LLR Realization of Reference Frame, Vishnu Viswanathan
(NASA/GSFC) |
| 11:20 – 11:40 | Ephemerides & Dynamical Models, Nicolas Rambaux (Observatoire de Paris) |
| 11:40 – 12:00 | International Lunar Reference System and its realization – ILuRF: the IAG perspective, Krzysztof Sośnica (Univ. Wrocław) |
| 12:00 – 12:15 | The Need for a Lunar Geoid & Other Shape Models, Nick Makley (NGA) |
| 12:15 – 12:30 | ILuRFS Next Steps, Stephen Merkowitz (NASA) (virtual), Agnes Fienga (IAG) | Presentation 1 | Presentation 2 |
| 14:00 – 17:30 Sub-session: Lunar Time, Session Co-chairs: Patrizia TAVELLA (BIPM), Mamoru SEKIDO (NICT) |
| 14:00 – 14:10 | Introduction and the CGPM Draft Resolution, Patrizia Tavella (BIPM) |
| 14:10 – 14:25 | Work of the Consultative Committee Time Frequency: FAQ and future work, Pascale Defraigne/Mamoru Sekido (ORB/NICT) |
| 14:25 – 14:30 | Discussion |
| 14:30 – 15:30 | Space agencies timing needs and constraints (clock, time scale relationship (TL-TCG-TT-UTC), measurement from Earth, holdover in case of Earth connection loss, need of interoperability, traceability to UTC, involvement of UTC labs. Open questions for the timing community), NASA (USA) – Cheryl Gramling / ESA – Erik Schoenemann / JAXA (Japan) – Masaya Murata | Presentation 1 | Presentation 2 | Presentation 3 |
| 16:00 – 17:00 | Discussion: which are the open issue and the FAQ to be addressed by the timing community? (Moderator Patrizia Tavella/Mamoru Sekido) |
| 17:00 – 17:20 | Proposal of Final Statement, Open Questions, Way Forward, Patrizia, Tavella (BIPM) |
| Day 3 (12 February 2026): Sub-session: Lunar PNT Spectrum: Session Co-chairs: Ye TIAN (CAST), Bruno ESPINOSA (SFCG) |
| 09:00 – 09:15 | Update on the spectrum regulatory framework for Lunar PNT, Cathy Sham (SFCG) |
| 09:15 – 10:30 | Overview of lunar PNT services
– Lunar PNT Spectrum Sharing Considerations: A Japanese Industry Perspective, Toshihiro Shibukawa (ArkEdge Space)
– Spectrum Use Enabling Lunar PNT Services, Jason Soloff (Intuitive Machines)
– Preliminary Design of Compatible and Interoperable Lunar Navigation Signals, Junjie Ma (CAST) (virtual), Xinuo Chang (CAST)
– ISRO pseudo lite in 2483.5-2500 MHz and/or in 2400-2480 MHz band, Ashish K Shukla (ISRO) (virtual)
– Lunar PNT Spectrum in Moonlight Context, Cosimo Stallo (ESA), Pietro Salvatori (TASI) |
| 11:00 – 11:30 | Potential compatibility issues
– Augmenting PNT capabilities via 3GPP localization solutions, Luis Maestro (Nokia)
– Experience of Earth Based Use of S Band and Spectrum Compatibility, Vijay Singh Bhadouria (ISRO) |
| 11:30 – 12:15 | Panel Questions + Q&A |
| 12:15 – 12:30 | Wrap up/key takeaways/actions & summary |
| 13:30 – 17:30 Session: Lunar PNT User/Test Equipment & Technology – part 1: Session Co-chairs: Floor MELMAN (ESA), Evan ANZALONE (NASA) |
| 13:30 – 13:40 | Session Introduction by session co-chairs |
| 13:40 – 14:00 | Flight Experience and Results of the Lunar GNSS Receiver Experiment (LuGRE), Joel Parker (NASA) |
| 14:00 – 14:20 | Lunar Data Network PNT Systems Capability and Interfaces Status, Jason Leonard (Intuitive Machines) |
| 14:20 – 14:40 | Towards a Sustainable Lunar Ecosystem: Bridging Technical
Developments to Policy Priorities in Lunar PNT, Toshihiro Shibukawa (ArkEdge Space) |
| 14:40 – 15:00 | Lunar S-band Pseudolite System Architecture & User Equipment,
Ashish Shukla (ISRO) (virtual) |
| 15:00 – 15:20 | Enabling Future Lunar Operations through PNT: A GMV User
Perspective, Danilo Forte (GMV) |
| 15:45 – 16:05 | PNT Moon Surface Station: Performance Analysis and First
Demonstrations, Luca Canzian (Qascom) |
| 16:05 – 16:25 | Inter-satellite-link-aided Collaborative Navigation and Time Transfer of a Lunar PNT Constellation, Pradipto Ghosh (JHU APL) |
| 16:25 – 16:45 | Integrity monitoring strategies for LCNS users, Heiko Engwerda
(NLR) |
| 16:45 – 17:05 | A simulator to compute interference from lunar surface wireless to lunar PNT; architecture and results, Jean-Luc Issler (CNES) (virtual) |
| 17:05 – 17:25 | End-to-End Simulation Framework for LunaNet and Mars GPS-Like Signals for Software Receiver Assessment, Ricardo Verdeguer Moreno (Spirent) |
| 17:25 – 17:30 | 17:25 – 17:30 Day 3 Wrap-up |
| Day 4 (13 February 2026) |
| Session: Lunar PNT User/Test Equipment & Technology – part 2: Session Co-chairs: Floor MELMAN (ESA), Evan ANZALONE (NASA) |
| 9:00 – 9:20 | GNSS Weak Signal-based Orbit Determination Practice and Cislunar Space Application Analysis, Biao Jin (Space Star Technology Co., Ltd.) (virtual) |
| 9:20 – 9:40 | CesiumAstro 2026: Missions & Technologies, Dylan Pfeifer (Cesium) |
| 9:40 – 10:00 | An optical clock on the Moon? Some key figures, Fabien Droz (Rolex Quantum) |
| 10:00 – 10:20 | Miniature clocks for cislunar and lunar application – Upcoming
Technologies and Roadmap, Grégory Moura (Safran) |
| Roundtable Discussion and Outcomes |
| 11:00 – 12:30 | Moderators: Leadership Team Members |
