The European GNSS Agency (GSA; formerly European GNSS Supervisory Authority) is an agency of the European Union based in Brussels

Brussels

Brussels , officially the Brussels Region or Brussels-Capital Region , is the capital of Belgium and the de facto capital of the European Union...

, Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

. The body was set up in 2004.

Its objective is to ensure that essential public interests are properly defended and represented in connection with European Union

European Union

The European Union is an economic and political union of 27 independent member states which are located primarily in Europe. The EU traces its origins from the European Coal and Steel Community and the European Economic Community , formed by six countries in 1958...

's satellite navigation programmes

Global Navigation Satellite System

A satellite navigation or SAT NAV system is a system of satellites that provide autonomous geo-spatial positioning with global coverage. It allows small electronic receivers to determine their location to within a few metres using time signals transmitted along a line-of-sight by radio from...

 (GALILEO

Galileo positioning system

Galileo is a global navigation satellite system currently being built by the European Union and European Space Agency . The €20 billion project is named after the famous Italian astronomer Galileo Galilei...

 and EGNOS

European Geostationary Navigation Overlay Service

The European Geostationary Navigation Overlay Service is a satellite based augmentation system developed by the European Space Agency, the European Commission and EUROCONTROL. It supplements the GPS, GLONASS and Galileo systems by reporting on the reliability and accuracy of the signals...

). The aim of GALILEO is to provide a modern European alternative to the established GPS system of the United States of America

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

The agency is responsible for managing and monitoring the use of the programme funds. It will help the European Commission

European Commission

The European Commission is the executive body of the European Union. The body is responsible for proposing legislation, implementing decisions, upholding the Union's treaties and the general day-to-day running of the Union....

deal with any matters relating to satellite radio-navigation.