
GGOS Japan
new Logo and Film
GGOS Japan is a group to ensure close cooperation among the GGOS related institutions in Japan and to effectively foster activities associated with GGOS. This GGOS affiliate and it's GGOS Japan members are very active. They have now developed…
new Logo and Film

GGOS Film
New Versions
We recently published two new language versions of the "Discover GGOS" film.
It is now available in French and Portuguese, beside of English, Spanish, German and Japanese.
New Versions

REFAG 2022 – Symposium on Reference Frames for Applications in Geoscience
The REFAG 2022 carries on the tradition of previous IAG dedicated symposia on Reference Frames, aiming to bring together leading experts from academia, public authorities and private sector with young scientists and students, to discuss current achievements and future prospects of geodetic reference frames and their scientific and societal impact. Don't miss to participate in this great symposium.

Geodetic Observation:
Measure Gravity with Atoms
Quantum gravimetry measures the acceleration of gravity, by using freely falling atoms as test masses. They were development for 30 years.
Measure Gravity with Atoms

Geodetic Observation:
Measure Heights with Clocks
Measure heights by clocks with an accuracy of 4 cm over a height difference of 450 m is now possible. Discover this new geodetic technique ...
Measure Heights with Clocks

New eBook:
One-mm Accuracy Unified Geocentric
Terrestrial Reference System
A new eBook with the title "How to establish and maintain a one-mm accuracy unified Geocentric Terrestrial Reference System - A theoretical model" was now published.
One-mm Accuracy Unified Geocentric
Terrestrial Reference System

Mission Earth – Geodynamics and Climate Change Observed Through Satellite Geodesy
How does your cell phone know where you are right now? How is our planet changing due to geodynamic processes and ongoing climate change? How can these changes be precisely measured from space?

Book Review – Mission Earth
Read this book review by Hansjörg Kutterer about the recently published "Mission Earth" book about the science of measuring the Earth.

GGOS Product:
Terrestrial Reference Frame
How can we provide a stable reference for measuring changes of our planet?
Terrestrial Reference Frame

Discover GGOS – The Film
Do you know what geodesy is exactly and what GGOS does? This film immerses you in the world of geodesy and outlines its benefits for society.