GNSS Glossary

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S/C :

SpaceCraft

S/W :

SoftWare

SA :

Selective Availability

SADT :

Structure Analysis and Design Technical

SAN :

Satellite Access Node

SARP(s) :

Standards And Recommended Practices

SAW :

Surface Acoustic Wave

SBAS :

Satellite Based Augmentation System

SC :

Software Component

SCAR :

Software Component Acceptance Review

SCAT-I :

Special CATegory I

SCC :

Satellite Control Centre

SCL :

Station de Connexion et Localisation

SCM :

Software Configuration Management

SCMP :

Software Configuration Management Plan

SCO :

Software Change Order

SCQR/R :

Software Component Qualification Readiness Review

SCR :

Software Change Request

SCSI :

Small Computer System Interface

SDCM :

System for Differential Corrections and Monitoring

SDD :

Service Definition Document

SDD :

Service Definition Document

SDM :

System Definition Manual

SE :

EGNOS Subsystem Element

SECT :

System Engineering Core Team

SeKO :

Set Kick Off

SEP :

Support Equipment Plan

SESAR :

Single European Sky ATM Research

SFVP :

Support Facility Verification Plan

SGS :

Soviet Geocentric System

SGS-90 :

Soviet Geodetic System

SIS :

Signal In Space

SIS :

Signal-in-Space

SIVP :

Site Integration Validation Plan

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

SMR :

Software Modification Report

SNA :

Satellite Navigation Application

SNAPAS :

Satellite Navigation Performance Analysis Software

SNMP :

Simple Network Management Protocol

SNR :

Signal to Noise Ratio

SNT :

Satellite Navigation Transponder

SOC :

Spacecraft Operation Centre

SoL :

Safety of Life

SoL :

Safety of Life

SOLAS :

Safety of Life At Sea

SOP :

System Operation Plan

SOW :

Statement Of Work

SPACS :

Simplified Position Accuracy Calculation Software

SPM :

System Project Management

SPMP :

System Project Management Plan or Software Project Management Plan

SPR :

Software Problem Report

SPS :

Standard Positioning Service

SQAP :

Software Quality Assurance Plan

SQL :

Software Query Language

SQP :

System Qualification Plan

SQR :

System Qualification Review

SR :

Standard Receiver or Software Requirements

SR/R :

Software Requirements Review

SRAM :

Static Random Access Memory

SRB :

Software Review Board

SRD :

System Requirements Document or Software Requirement Document

SRN :

Software Release Note

SSAR :

Sub System Acceptance Review

SSATR :

Sub System Acceptance Test Review

SSCDR :

Sub System CDR

SSDD :

System Segment Design Document

SSFQR :

Sub System Factory Qualification Review

SSKO :

Sub System Kick Off

SSN :

Sun Spot Number

SSPA :

Solid State Power Amplifier

SSPDR :

Sub System PDR

SSR :

Site Selection Review

SSRD :

Sub-System Requirements Document

SSTRR :

Sub System Test Readiness Review

ST :

System Testing

STD :

Software Transfer Document

STEP1 :

R-GEO augmentation

STEP2 :

GIC augmentation

STEP3 :

WAD augmentation

STNA :

Service Technique Navigation Aerienne (F)

STR :

System Test Readiness

STRR :

System Test Readiness Review

SU :

SUpplier

SUM :

Software User Manual

SV :

Space Vehicle

SVC :

Switch Virtual Circuit

SVP :

System Verification Plan or Software Verification Plan or Subsystem Verification Plan

SVs :

Space Vehicles

SVVP :

Software Verification and Validation Plan

SW :

SoftWare

SWPM :

SoftWare Project Manager

SWRU :

Software Replaceable Units

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