Glossary
- 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
- SDM:System Definition Manual
- 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
- SIVP:Site Integration Validation Plan
- SL:Service Level or Station de Localisation
- 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
- 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
- SVVP:Software Verification and Validation Plan
- SW:SoftWare
- SWPM:SoftWare Project Manager
- SWRU:Software Replaceable Units
- SDCM:
System for Differential Corrections and Monitoring
- SVs:
Space Vehicles
- 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.