Glossary
- ANSP:Air Navigation Service Provider
- APV:Approach with Vertical Guidance
- ARINC:Aeronautical Radio, INC
- ARTEMIS:Advanced Relay and Technology Mission Satellite
- ARTES:Advanced Research in TElecommunication Systems
- ATC:Air Traffic Control
- ATM:Air Traffic Management or Asynchronous Transfer Mode
- ATS:Air Traffic Services
- ATSP:ATS Providers
- BIH:
nternational Time Bureau International de l’Heure
- BIPM:
International Bureau of Weights and Measures (Bureau International des Poids et Mesures)
- Bps:Bit per second
- CAA:Civil Aviation Authority
- CAASD:Centre for Advanced Aviation System Development
- CADM:Configuration And Data Management
- CAT-1:Category 1 Precision Approach Phase of Flight
- CAT-2:Category 2 Precision Approach Phase of Flight
- CCB:Change Configuration Board or Configuration Control Board
- CCF:Central Control Facility
- CCI:Communications Control Interface
- CCITT:
International Telephone and Telegraph Consultative Committee (Comite Consultatif International Telegraphique et Telephonique or International Telephone and Telegraph Consultative Committee)
- CNES:
The National Centre for Space Studies (Centre National d’Etudes Spatiales)
- CRD:Comment Response Documents (at EASA)
- DGAC:
The Directorate General for Civil Aviation (Direction Generale Aviation Civile)
- DGPS:Differential GPS
- DLR:
German Aerospace Center (Deutsche forschungsanstalt fur Luft – und Raumfahrt e.v.)
- EASA:European Aviation Safety Agency
- ECAC:European Civil Aviation Conference
- ECEF:Earth Centred Earth Fixed
- ECSS:European Co-operation for Space Standardisation
- EDAS:
EGNOS Data Access Service
- EDP:EGNOS ILD Documentation Plan
- EETES:EGNOS End To End Simulation
- EGNOS:European Geostationary Navigation Overlay Service
- EMP:EGNOS Maintenance Plan
- ENAV:Ente Nationale di Assistenze al Volo (Italy)
- ENMA:EGNOS Network Management Application
- ENMC:EGNOS Network Monitoring & Control
- ENT:EGNOS Network Time
- EOIG:EGNOS Operators and Infrastructure Group
- EPUE:EGNOS Prototype User Equipment
- EPUERD:EPUE Requirements Document
- ERAM:EGNOS Requirements Allocation Matrix
- ERNP:European RadioNavigation Plan
- ESA:European Space Agency
- ESRRD:EGNOS Standard Receiver Document
- ESSF:EGNOS System Simulation Facility
- ESSP:European Satellite Services Provider
- ESTB:EGNOS System Test Bed
- ESTEC:European Space Research and Technology Centre (Noordwijk)
- ESVS:EGNOS Service Volume Simulator
- ETG:European Tripartite Group
- ETMS:EGNOS Transport Management System
- ETSO:European Technical Standard Order
- EVP:EGNOS Verification Plan
- EUROCAE:European Organisation for Civil Aviation Equipment
- FAA:Federal Aviation Administration
- FOC:Full Operational Capability
- GBA:Geostationary Broadcast Area
- GBAS:Ground Based Augmentation System
- GEO:
Geostationary Earth Orbit
- GLONASS:
Global Navigation Satellite System (Russia)
- GMDSS:Global Maritime Distress and Safety System
- GNOS:Geostationary Navigation Overlay Service
- GNSS:Global Navigation Satellite System
- GPS:
Global Positioning System (US)
- GSA:European GNSS Agency
- GSBAS:Geostationary Satellite Based Augmentation System
- G-SBAS:Geostationary-Satellite Based Augmentation Systems
- GSCN:Ground Segment Communication Network
- GSM:Global System for Mobile communications
- IALA:International Association of Lighthouse Authorities
- IATA:International Air Transport Association
- ICAO:International Civil Aviation Organisation
- IERS:International Earth Rotation Service
- IGS:International GPS Service for Geodynalics
- ILS:Instrument Landing System or Integrated Logistics Support
- IMO:International Maritime Organisation
- INC:Inmarsat Navigation Center
- INMARSAT:International MARitime SATellite
- INS:Inertial Navigation System
- IOC:Initial Operational Capability
- ISO:
International Organization for Standardization
- ITT:Invitation To Tender
- ITU:International Time Unit
- JAA:Joint Aviation Authorities
- JCB:Joint Communications Board (ESA)
- Kbps:Kilobits per second
- L1:L1-GPS frequency (L1 = 1575,42 MHz)
- L2:L2-GPS frequency (L1 = 1227,2 MHz)
- LAAS:Local Area Augmentation System
- LAD:Local Area Differential
- LADGPS:Local Area Differential GPS
- LAN:Local Area Network
- LPV:Localiser Performance with Vertical Guidance
- MASPS:Minimum Aviation System Performance Standard
- MCU:Management & Control Unit
- MLS:Microwave Landing System
- MOPS:Minimum Operational Performance Standard
- MRD:Mission Requirements Document
- MSAS:Multi-transport Satellite-based Augmentation System
- MTSAT:Multi Transport SATellite
- NAS:National Airspace System or National Air Space
- NATS:National Air Traffic Services (UK)
- NAV:NAVigation sub-system
- NCC:Network Control Centre
- NCM:Network Control Management
- NM:Nautical Mile
- NSA:Navigation Service Availability
- NSE:Navigation System Error
- OD:Orbit Designation
- PB-NAV:Programme Board-Navigation (ESA)
- PBN:Performance Based Navigation
- PPS:Precise Positioning Service or Pulse Per Second
- PS:Power Supply
- RAAS:Regional Area Augmentation System
- RAIM:Receiver Autonomous Integrity Monitoring
- RAM:Reliability Availability and Maintainability or Random Access Memory
- RAMS:Reliability Availability, Maintainability and Safety
- RF:Radio Frequency
- RFI:Radio Frequency Interference
- R-GEO:Ranging via GEO satellites
- RIMSRD:RIMS Requirements Document
- RNAV:Radio NAVigation
- RNP:Required Navigation Performance or Required Navigation Parameters
- RS:Remote Station or Reference Station
- RST:Reference System Time
- RTCA:Radio Technical Commission for Aeronautics or Radio Technical Committee of America
- RTK:Real Time Kinematics
- RTOS:Real Time Operating System
- RTSS:Real-Time Simulation Segment
- RX:Receiver
- SBAS:Satellite Based Augmentation System
- SCC:Satellite Control Centre
- SDM:System Definition Manual
- EGNOS SE:
EGNOS Subsystem Element
- SESAR:Single European Sky ATM Research
- SL:Service Level or Station de Localisation
- SLA:Service Level Agreement (with network service provider)
- SLRD:System Level Requirements Document or SL Requirements Document
- SNAPAS:Satellite Navigation Performance Analysis Software
- SNT:Satellite Navigation Transponder
- SOC:Spacecraft Operation Centre
- SOLAS:Safety of Life At Sea
- SPS:Standard Positioning Service
- TAS:True Air Speed
- TBO:Time Between Outages
- TN-033:Technical Note on EGNOS overlay services
- TTC:Telemetry, Tracking and Command
- UTC:Coordinated Universal Time
- WAAS:Wide Area Augmentation System
- WAC:Wide Area Correction
- WAD:Wide Area Differential
- WADC:Wide Area Differential Correction
- WADGPS:Wide Area Differential GPS
- WBS:Work Breakdown Structure
- WGS:World Geodesic System
- WGS-84:World Geodetic System
- WP:WorkPackage
- LBS:
Location-based services
- TTFF:
Time to first fix
- MEOSAR:
Medium Earth Orbit Search and Rescue system
- RIMS:
Ranging and Integrity Monitoring Station
- MCC:
Mission Control Centres
- EWAN:
EGNOS Wide Area Network
- RTCM:
Radio Technical Commission for Maritime Services
- SL0:
Service Level 0
- SL1:
Service Level 1
- PPP:
Precise Point Positioning
- IoT:
Internet of Things
- Geo-IoT:
Geolocation - Internet of Things
- LPWAN:
Low-Power Wide-Area Network
- UAV:
Unmanned Aerial Vehicle
- UAVs:
Unmanned Aerial Vehicles
- SDD:
Service Definition Document
- OS:
Open Service
- SoL:
Safety of Life
- SIS:
Signal-in-Space
- EUSPA:
European Union Agency for the Space Programme
- GOVSATCOM:Governmental Satellite Communications
- OSNMA:Open Service Navigation Message Authentication service
- GSMC:
Galileo Security Monitoring Centre
- DG DEFIS:
Directorate-General for Defence Industry and Space
- SSA:
Space Situational Awareness
- SST:
Space Surveillance and Tracking
- CFSP:
Common Foreign and Security Policy
- PRS:
Public Regulated Service
- EuroQCI:
Euro Quantum Communication Infrastructure
- EUMETSAT:
European Organisation for the Exploitation of Meteorological Satellites
- EARSC:
European Association of Remote Sensing Companies
- SUE:
SECRET UE/EU SECRET: the unauthorised disclosure of this information could seriously harm the essential interests of the EU or one or more of the Member States.
- RUE:
RESTREINT UE/EU RESTRICTED: the unauthorised disclosure of this information could be disadvantageous to the interests of the EU or one or more of the Member States.
- IDD:
Internet Data Distribution
- IRIS²:
Infrastructure for Resilience, Interconnectivity and Security by Satellite
- EO:
Earth Observation
- SWE:
Space Weather Events
- SatCen:
European Union Satellite Centre
- NEO:
Near-Earth Objects
- SAR:
Search and Rescue
- RLS:
Return Link Service
- SAR RLS:
Galileo Search and Rescue Return Link Service
- GCC:
Galileo Control Centre
- SGSC:
SAR/Galileo Service Centre
- GSC:
GNSS Service Centre
- GRC:
Galileo Reference Centre
- GILSC:
Galileo Integrated Logistics Support Centre
- ULS:
Uplink Station
- GSS:
Ground Sensor Station
- MEOLUT:
Medium Altitude Earth Orbit Local User Terminal
- REFBE:
Galileo/SAR Reference Beacons
- IOT:
In-Orbit Testing Station
- GIOVE:
Galileo In-Orbit Validation Element
- ESMAS:
Satefy of Life Assisted Service for Maritime users
- MEO:
Medium Earth Orbit
- HAS:
High Accuracy Service
- EWSS:
Galileo Emergency Warning Satellite Service
- CAS:
Commercial Authentication Service
- MPL:
Minimum Performance Level
- PLB:
Personal Locator Beacon
- PLBs:
Personal Locator Beacons
- EPIRB:
Emergency Position Indicating Radio Beacon
- EPIRBs:
Emergency Position Indicating Radio Beacons
- ELT:
Emergency Locator Transmitters
- CAMS:
Copernicus Atmosphere Monitoring Service
- CMEMS:
Copernicus Marine Environment Monitoring Service
- CLMS:
Copernicus Land Monitoring Service
- C3S:
Copernicus Climate Change Service
- CEMS:
Copernicus Emergency Management Service
- R&D:
Research and Development
- R&I:
Research and Innovation