The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Referencing airborne gravity measurements with GPS. Combinations of different geodetic techniques are necessary in order to obtain the required stability, consistency and accuracy of the reference frames. Full exploitation of GOCE (Gravity field and steady-state Ocean Circulation Explorer) data will probably rely on ground-based and airborne gravity measurement techniques, as well as other geodetic techniques such as GPS, SLR (Satellite Laser Ranging) and VLBI (Very Long Baseline Interferometry).