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 topicESA’s testbed vehicle is equipped with a variety of satnav receivers, antennas that range from the most sophisticated to mass market grade, interference monitoring equipment, antijamming antennas and other interference mitigation systems, and an inertial navigation system that serves as the ‘source of truth’, an independent relative positioning reference to compare readings from the receivers to the actual position of the vehicle.