Glossary

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