Glossary

A B C D E F G H I J K L M N O P R S T U W
  • SBAS:Satellite Based Augmentation System
  • SCC:Satellite Control Centre
  • SDM:System Definition Manual
  • 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
  • SL0:

    Service Level 0

  • SL1:

    Service Level 1

  • SDD:

    Service Definition Document

  • SoL:

    Safety of Life

  • SIS:

    Signal-in-Space

  • 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

  • SatCen:

    European Union Satellite Centre

  • SAR:

    Search and Rescue

  • SAR RLS:

    Galileo Search and Rescue Return Link Service

  • SGSC:

    SAR/Galileo Service Centre