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IERS Message No. 561                                       July 02, 2026
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International GNSS Service Session at AGU26 - Call for Abstracts


Dear Colleagues,


We are pleased to announce that abstract submissions are open for the
IGS Session at the next AGU Meeting (07-11 Dec 2026 in San Francisco): 

G021 - The International GNSS Service (IGS): Leveraging Next-Generation
GNSS Data Processing and Analysis Techniques to Secure the Future of
Geodesy. 

The session details are provided below.

We are excited to see sustained progress from our community, especially
after our very successful IGS Symposium and Workshop in Santiago de
Chile (the recordings and materials of which will be available soon at
https://igs.org/workshop/2026/).

We kindly encourage you to submit an abstract to the IGS Session, before
the 5th of August 2026 at 2359 EDT (06 Aug 2026 at 0359 UTC). To do so,
simply visit https://agu.confex.com/agu/agu26/prelim.cgi/Session/280416.

Please also forward this information to colleagues, working groups,
services, early career scientists, or other experts you think might be
interested.

We are looking forward to hosting and promoting your contributions!


Thank you very much,
Kind regards,

Camille, on behalf of the G021 Conveners and the IGS Central Bureau.


P.S. : Session Details.

G021 - The International GNSS Service (IGS): Leveraging Next-Generation
GNSS Data Processing and Analysis Techniques to Secure the Future of
Geodesy

by Camille Martire, Mara Figueroa, Tom Herring, Scott Luthcke, Rolf Dach

The International GNSS Service (IGS) provides high-precision, openly
available, multi-GNSS data and products. This voluntary worldwide
federation continues to evolve, pushing the boundaries of geodetic
excellence through enhanced, comprehensive, multi-GNSS techniques. As
global constellations expand and new architectures emerge in Low Earth
Orbit (e.g., LEO-PNT), geodetic data analysis methodologies must quickly
adapt. Furthermore, missions like ESA's GENESIS and NASA's GRITSS,
focused on unifying the global geodetic reference frame, require the
most advanced and rigorous data analysis strategies and inter-technique
combinations.
This session invites contributions focused on advancements in GNSS data
analysis. Topics of interest include techniques leveraging multi-GNSS
and cross-constellation capabilities; strategies incorporating LEO-based
observations in geodetic processing; innovative modeling techniques;
machine learning applications improving GNSS data analyses; and
processing strategies supporting the goals of the GENESIS and GRITSS
missions. We specifically welcome presentations highlighting the
challenges and solutions in achieving ever-finer geodetic precision in a
rapidly evolving GNSS landscape.

Camille Martire, PhD [she/her]
Research Technologist III, NASA Jet Propulsion Laboratory
Deputy Director, International GNSS Service Central Bureau
camille.martire@jpl.nasa.gov, camille.martire@igs.org
Google Scholar, ORCID, LinkedIn

I work across several time zones, and I am sending this message now
because it works for me. Feel free to read, act on, or respond at a
time that works for you.


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