Pixaby freeUse

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 ...

IAG Statement on Ukraine

IAG issued an official statement expressing its deep dismay and concern about the military offensives in Ukraine. GGOS is changing its logo color for the next few weeks as a sign of solidarity.
© Per Helge Andersen

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.
© Springer - Angermann et.al.

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.
Pexels (free usage)

GGOS Product:
Terrestrial Reference Frame

How can we provide a stable reference for measuring changes of our planet?
GGOS Film - Discover GGOS and Geodesy© GGOS (background by NASA)

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.
© Rawpixel (id-744458)

New Article on Geodesy and Quantum Mechanics

Recently in December 2021 an article was published in the EOS magazine to dive into this interesting scientific part. It is definitely worth reading ...
© GGOS

GGOS Newsletter – New Design

The new GGOS newsletter will be sent out at the beginning of each month containing latest News and upcoming Events. Furthermore the design of the new GGOS newsletter has been improved and modernized.