Programme

Infrastructure

The EGNOS infrastructure is comprised of:

  • a ground network of 40 ranging and integrity monitoring stations (RIMS)
  • 6 navigation land earth stations (NLES)
  • 2 mission control centres
  •  signal transponders on 3 geostationary satellites (Inmarsat III satellite, and SES ASTRA GEO satellites SES-5 and ASTRA-5B).

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Governance

EGNOS is owned by European citizens. The European Commission took over ownership of the EGNOS infrastructure from the European Space Agency (ESA) on behalf of the European Union on 1 April 2009. Since 1 January 2014, the exploitation of EGNOS has been fully delegated to the EU Agency for the Space Programme (EUSPA) by the European Commission.

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Evolution

More information on the development of EGNOS, along with future plans to extend Europe’s satellite-based augmentation service (SBAS), can be found here.

Updated: Jan 12, 2023