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
Go to topicRange and integrity monitoring stations (RIMS) send data collected on GPS, GLONASS and EGNOS signals to a single processing centre which computes the corrections needed for each satellite and incorporates them into a signal. The EGNOS signal is then up-linked to the geostationary satellites which in turn broadcast it to EGNOS users equipped with specially designed EGNOS receivers.