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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Jamming devices are technically illegal but are easily available online for a few hundred euros or less, often marketed as ‘personal privacy devices’. Jammers are sold as having a range of only a few metres, but can turn out to have a practical range of dozens of metres or more – leading to unintentionally widespread interference, like the famous jammer-equipped US truck driver who shut down Newark Airport navigation systems whenever he drove past.