WHAT IS EGNOS ?

HOW DOES IT WORK ?

Toulouse, 6-7 May 2015

Jean-Marc Piéplu

EGNOS Exploitation Program Manager

EGNOS flight event

2

EGNOS (European Geostationary Navigation Overlay Service)

Navigation Land Earth

Station (NLES):

…uplinks error

corrections to EGNOS

satellites…

GPS (and Galileo)

Satellite Constellation

Ranging and Integrity

Monitoring Stations

(RIMS) :

…receive GPS data

& send to MCC…

Mission Control Centre (MCC)

…processes GPS data to

determine errors…

EGNOS Geo-stationary Satellite

…relays error corrections to users…

HPL

VPL

HPL/VPL:

Protection levels with

integrity better than

1/10 Million per 150 sec

EGNOS Operational System: EGNOS V2

– 38 monitoring stations (RIMS) deployed in Europe and North Africa

– 6 Uplink stations (NLES) deployed in Belgium, Luxembourg, France, Italy, Nederland

– 2 main Mission Control Centres (Madrid, Rome)

– 1 Engineering & Tests Center (Toulouse)

– 1 Service Provision Centre (Madrid)

EGNOS Ground Infrastructure

GEO Uplink Station (NLES)

Luxembourg

Monitoring Station (RIMS)

Svalbard

Monitoring Station (RIMS)

Azores

EGNOS Safety Of Life Service performances Monday 4 May 2015

EGNOS Exploitation: organisation

European Commission Program supervision

European GNSS Agency (GSA) Program management

European Space Agency (ESA) System Evolutions

EGNOS Service Provider (ESSP) Service Provision

Operations, Maintenance

European Aviation Safety Agency (EASA)

Safety oversight

Delegation

Industry V2 (development)

Working Arrangement

Industry (maintenance)

Industry V3 (development)

Sites Operations

Communications

Service Contract

Certification Process

EGNOS and other SBAS: Next Generation

Single frequency GPS-only

WAAS+EGNOS+MSAS

Dual-Frequency GPS-only

Extension scenario

Dual-Frequency GPS-Galileo

Extension scenario