Glossary

A B C D E F G H I J K L M N O P R S T U W
  • 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

  • C3S:

    Copernicus Climate Change Service

  • CAA:

    Civil Aviation Authority

  • CAASD:

    Centre for Advanced Aviation System Development

  • CADM:

    Configuration And Data Management

  • CAMS:

    Copernicus Atmosphere Monitoring Service

  • 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)

  • CEMS:

    Copernicus Emergency Management Service

  • CFSP:

    Common Foreign and Security Policy

  • CLMS:

    Copernicus Land Monitoring Service

  • CMEMS:

    Copernicus Marine Environment Monitoring Service

  • CNES:

    The National Centre for Space Studies (Centre National d’Etudes Spatiales)

  • CRD:

    Comment Response Documents (at EASA)

  • DG DEFIS:

    Directorate-General for Defence Industry and Space

     

  • 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.)

  • EARSC:

    European Association of Remote Sensing Companies

  • 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

  • EGNOS SE:

    EGNOS Subsystem Element

  • ELT:

    Emergency Locator Transmitters

  • 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

  • EO:

    Earth Observation

  • EOIG:

    EGNOS Operators and Infrastructure Group

  • EPIRB:

    Emergency Position Indicating Radio Beacon

  • EPIRBs:

    Emergency Position Indicating Radio Beacons

  • EPUE:

    EGNOS Prototype User Equipment

  • EPUERD:

    EPUE Requirements Document

  • ERAM:

    EGNOS Requirements Allocation Matrix

  • ERNP:

    European RadioNavigation Plan

  • ESA:

    European Space Agency

  • ESMAS:

    Satefy of Life Assisted Service for Maritime users

  • 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

  • EUMETSAT:

    European Organisation for the Exploitation of Meteorological Satellites

  • EUROCAE:

    European Organisation for Civil Aviation Equipment

  • EuroQCI:

    Euro Quantum Communication Infrastructure

  • EUSPA:

    European Union Agency for the Space Programme

  • EVP:

    EGNOS Verification Plan

  • EWAN:

    EGNOS Wide Area Network

  • EWSS:

    Galileo Emergency Warning Satellite Service

  • FAA:

    Federal Aviation Administration

  • FOC:

    Full Operational Capability

  • G-SBAS:

    Geostationary-Satellite Based Augmentation Systems

  • GBA:

    Geostationary Broadcast Area

  • GBAS:

    Ground Based Augmentation System

  • GCC:

    Galileo Control Centre

  • GEO:

    Geostationary Earth Orbit

  • Geo-IoT:

    Geolocation - Internet of Things

  • GILSC:

    Galileo Integrated Logistics Support Centre

  • GIOVE:

    Galileo In-Orbit Validation Element

  • GLONASS:

    Global Navigation Satellite System (Russia)

  • GMDSS:

    Global Maritime Distress and Safety System

  • GNOS:

    Geostationary Navigation Overlay Service

  • GNSS:

    Global Navigation Satellite System

  • GOVSATCOM:

    Governmental Satellite Communications

  • GPS:

    Global Positioning System (US)

  • GRC:

    Galileo Reference Centre

  • GSA:

    European GNSS Agency

  • GSBAS:

    Geostationary Satellite Based Augmentation System

  • GSC:

    GNSS Service Centre

  • GSCN:

    Ground Segment Communication Network

  • GSM:

    Global System for Mobile communications

  • GSMC:

    Galileo Security Monitoring Centre

  • GSS:

    Ground Sensor Station

  • HAS:

    High Accuracy Service

  • IALA:

    International Association of Lighthouse Authorities

  • IATA:

    International Air Transport Association

  • ICAO:

    International Civil Aviation Organisation

  • IDD:

    Internet Data Distribution

  • 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

  • IOT:

    In-Orbit Testing Station

  • IoT:

    Internet of Things

  • IRIS²:

    Infrastructure for Resilience, Interconnectivity and Security by Satellite

  • 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

  • LBS:

    Location-based services

  • LPV:

    Localiser Performance with Vertical Guidance

  • LPWAN:

    Low-Power Wide-Area Network

  • MASPS:

    Minimum Aviation System Performance Standard

  • MCC:

    Mission Control Centres

  • MCCR:

    Maritime Search and Rescue Coordination Center

  • MCU:

    Management & Control Unit

  • MEO:

    Medium Earth Orbit

  • MEOLUT:

    Medium Altitude Earth Orbit Local User Terminal

  • MEOSAR:

    Medium Earth Orbit Search and Rescue system

  • MLS:

    Microwave Landing System

  • MOPS:

    Minimum Operational Performance Standard

  • MPL:

    Minimum Performance Level

  • 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

  • NEO:

    Near-Earth Objects

  • NM:

    Nautical Mile

  • NSA:

    Navigation Service Availability

  • NSE:

    Navigation System Error

  • OD:

    Orbit Designation

  • OS:

    Open Service

  • OSNMA:

    Open Service Navigation Message Authentication service

  • PB-NAV:

    Programme Board-Navigation (ESA)

  • PBN:

    Performance Based Navigation

  • PLB:

    Personal Locator Beacon 

  • PLBs:

    Personal Locator Beacons

  • PPP:

    Precise Point Positioning

  • PPS:

    Precise Positioning Service or Pulse Per Second

  • PRS:

    Public Regulated Service

  • PS:

    Power Supply

  • R-GEO:

    Ranging via GEO satellites

  • R&D:

    Research and Development

  • R&I:

    Research and Innovation

  • 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

  • REFBE:

    Galileo/SAR Reference Beacons

  • RF:

    Radio Frequency

  • RFI:

    Radio Frequency Interference

  • RIMS:

    Ranging and Integrity Monitoring Station

  • RIMSRD:

    RIMS Requirements Document

  • RLS:

    Return Link Service

  • 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

  • RTCM:

    Radio Technical Commission for Maritime Services

  • RTK:

    Real Time Kinematics

  • RTOS:

    Real Time Operating System

  • RTSS:

    Real-Time Simulation Segment

  • 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.

  • RX:

    Receiver

  • SAR:

    Search and Rescue

  • SAR RLS:

    Galileo Search and Rescue Return Link Service

  • SAS:

    Signal Authentication Service

  • SatCen:

    European Union Satellite Centre

  • SBAS:

    Satellite Based Augmentation System

  • SCC:

    Satellite Control Centre

  • SDD:

    Service Definition Document

  • SDM:

    System Definition Manual

  • SESAR:

    Single European Sky ATM Research

  • SGSC:

    SAR/Galileo Service Centre

  • SIS:

    Signal-in-Space

  • SL:

    Service Level or Station de Localisation

  • SL0:

    Service Level 0

  • SL1:

    Service Level 1

  • 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:

    Security Operations Centre

  • SoL:

    Safety of Life

  • SOLAS:

    Safety of Life At Sea

  • SPS:

    Standard Positioning Service

  • SSA:

    Space Situational Awareness

  • SST:

    Space Surveillance and Tracking 

  • 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.

  • SWE:

    Space Weather Events

  • TAS:

    True Air Speed

  • TBO:

    Time Between Outages

  • TN-033:

    Technical Note on EGNOS overlay services

  • TTC:

    Telemetry, Tracking and Command

  • TTFF:

    Time to first fix

  • UAV:

    Unmanned Aerial Vehicle

  • UAVs:

    Unmanned Aerial Vehicles

  • ULS:

    Uplink Station

  • 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