Enhanced navigation services receive the go-ahead from stakeholders after satisfactory initial performance – here’s what we know

The European Geostationary Navigation Overlay Service (EGNOS) is Europe’s regional Satellite-Based Augmentation System (SBAS) used to enhance the performance of navigation satellite systems for the most safety-critical applications such as aircraft navigation and landing.

Airbus

This system which is under development, has Airbus collaborating with its key partners Indra and the Universitat Autònoma de Barcelona/IEEC, and the EGNOS V3 stakeholders to introduce new services based on multiple frequencies (L1/L5, E1/E5) of multiple constellations (GPS, Galileo), and will also embed sophisticated security protection against cyber-attacks.

EGNOS is composed of a large network of about 50 ground stations deployed over Europe, Africa and North America, two master control centres located near Rome and Madrid, and a System Operation Support Centre in Toulouse.

Touted to provide critical navigation services even at airports without the presence of expensive instrument landing systems, the initial assessment of the system performance highlighted the high level of maturity of the design and its adequacy to flawlessly continue the provision of critical navigation services, such as precision approach and landing everywhere in Europe. Additionally, the report also confirmed that EGNOS V3 would deliver the accuracy, continuity, integrity and availability required for Safety-of-Life operations up to Category I – with margins.

Illustrative | ASDNews

At this stage of the development, this performance review has demonstrated the increase in benefits which EGNOS V3 should bring to Europe. As the full power of this new EGNOS generation has still to be qualified in the following phase of the project, this first important milestone of the Detailed Design phase has met our expectations on all legacy aspects assessed. We look forward to the next steps, as we are confident that EGNOS V3 will deliver as required

said Didier Flament, Head of EGNOS & SBAS Division at ESA

The EGNOS V3 test signal campaign involved the new version of EGNOS Navigation Land Earth Station (NLES) developed by Indra as well as the Eutelsat E5WB’s dual-frequency SBAS payload developed by Airbus.

Illustrative | European Space Agency

The successful broadcast of the EGNOS V3 test signal is a key event in the life of the program. Together with other ongoing field experiments, this “hello world” of EGNOS V3 lays the foundation for the deployment of the new generation of EGNOS. The program and the system are now entering into reality on their journey to enable continuous and improved Safety of Life services across the European Union and beyond

 said Silvio Sandrone, Head of Navigation Programs at Airbus
Silvio Sandrone | Uni Bremen

Combining both, Galileo and GPS signals to monitor ionosphere-induced position errors, would reportedly increase the availability of the service in the western and southwestern periphery of Europe, thereby expanding the area in which satellite navigation landing becomes possible without requiring dedicated ground systems.

The consolidation of EGNOS’ service area will be beneficial to our customers, as it will support their satellite navigation-guided operations to even more destinations. Airbus is very pleased to support the growth of EGNOS users in commercial aviation in Europe with the recent certification of the SBAS Landing Systems on Airbus A320 and A330 families. We continue to support the development of any system which will contribute to a safer and more sustainable air traffic

commented Hugues de Beco, head of ATM Programs within Airbus Commercial Aircraft

EGNOS is a component of the European Union Space Programme designed to improve the positioning service of the Global Positioning System and Galileo for Safety of Life users.

SOURCE(s)

COVER: Airbus

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