GNSS Glossary

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R-GEO :

Ranging via GEO satellites

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

RB :

Review Board

RCF :

Ranging Control Facility

RCS :

Revision Control System

RCVR :

Receiver

RD :

Requirements Document or Reference Document

REC :

Range Error Correction

RF :

Radio Frequency

RFC :

RF Conversion or Request For Change

RFD :

Request For Deviation

RFDC :

RF Down Converter

RFE :

RF front End

RFI :

Radio Frequency Interference

RFLAB :

RF measurement LABoratory

RFQ :

Request For Quotation

RFW :

Request For Waiver

RGIC :

Ranging and Ground Integrity Channel

RGS :

Ranging Ground Segment

RHC :

Right Hand Circularly polarised

RHCP :

Right Hand Circular Polarisation

RID :

Review Item Discrepancy

RIMS :

Ranging and Integrity Monitoring Station

RIMSRD :

RIMS Requirements Document

RMS :

Root Mean Square

RNAV :

Radio NAVigation

RNP :

Required Navigation Performance or Required Navigation Parameters

ROD :

Review Of Design

ROR :

Range Only Radar

RPU :

Receiver Processing Unit

RRC :

Range-Rate Corrections

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

RX :

Receiver

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