| 
SSS
 | 
| 
s
 | 
Central time zone, U.S.A.
 | 
| 
S/C
 | 
Spacecraft
 | 
| 
S/N
 | 
Signal
 to Noise
 | 
| 
S/W
 | 
Software
 | 
| 
SA
 | 
Selective Availability
 | 
| 
SA
 | 
Solar
 Array
 | 
| 
SAA
 | 
South
 Atlantic Anomaly
 | 
| 
SABER
 | 
Sounding of the Atmosphere using Broadband Emission Radiometry
 | 
| 
SAC
 | 
System
 Assurance Contract
 | 
| 
SAD
 | 
Solar
 Array Driver
 | 
| 
SADM
 | 
Solar
 Array Driver Mechanism
 | 
| 
SAIC
 | 
Science Applications International Corporation
 | 
| 
SAMPEX
 | 
Solar, Anomalous,
 and Magnetospheric Particle Explorer | 
| 
SAO
 | 
Smithsonian Astrophysical Observatory
 | 
| 
SAS
 | 
Solar
 Array Simulator
 | 
| 
SAT
 | 
Science Architecture
 Team | 
| 
SBET
 | 
Spacecraft Bus Engineering Team
 | 
| 
SCCS
 | 
Source
 Code Control System
 | 
| 
SCHEDD
 | 
Scheduler Daemon software
 | 
| 
SCIP
 | 
Sun Centered Imaging Package
 | 
| 
SCOTCH
 | 
Solar
 Coronagraph Optical Test Chamber
 | 
| 
SDAC
 | 
Solar
 Data Analysis Center
 | 
| 
SDC
 | 
STEREO
 Data Center
 | 
| 
SDO
 | 
Solar Dynamics
 Observatory | 
| 
SDRAM
 | 
Synchronous Dynamic Random Access Memory
 | 
| 
SDT
 | 
Science Definition
 Team | 
| 
SEB
 | 
SECCHI
 Electronics Box
 | 
| 
SEC
 | 
Sun-Earth Connection
 | 
| 
SECAS
 | 
Sun-Earth Connection Advisory Subcommittee
 | 
| 
SECCHI
 | 
Sun-Earth Connection Coronal and Heliospheric Investigation
 | 
| 
SEE
 | 
Solar
 Extreme Ultraviolet Experiment
 | 
| 
SEE
 | 
Single
 Event Effects; Space Environment & Effects | 
| 
SEF
 | 
Spectrometer Entrance Filter
 | 
| 
SEI
 | 
Silver
 Engineering Inc
 | 
| 
SEL
 | 
Single
 Event Latch-Up
 | 
| 
SEP
 | 
Solar
 Energetic Particles
 | 
| 
SEPT
 | 
Solar
 Electron Proton Telescope
 | 
| 
SERB
 | 
Space
 Experiments Review Board | 
| 
SET
 | 
Space
 Environment Testbed | 
| 
SET
 | 
Spacecraft Engineering Team
 | 
| 
SETPath
 | 
SET
 Pathfinder | 
| 
SEU
 | 
Single
 Event Upset
 | 
| 
SEU
 | 
Structure
 and Evolution of the Universe | 
| 
SGT
 | 
Stochastic Growth Theory
 | 
| 
SIC
 | 
Standard Industry Classification
 | 
| 
SICM
 | 
SECCHI
 Interface Contordination Memo
 | 
| 
SIE
 | 
Spectrometer
 for Irradiance in the Extreme-Ultraviolet | 
| 
SIRTF
 | 
Space Infrared Telescope Facility | 
| 
SIT
 | 
Solar
 Instrument Test
 | 
| 
SIT
 | 
Suprathermal Ion Telescope
 | 
| 
SLA
 | 
Slit Assembly
 | 
| 
SM
 | 
Structural Model
 | 
| 
SMA
 | 
Shaped
 Memory Alloy
 | 
| 
SMEI
 | 
Solar
 Mass Ejection Imager
 | 
| 
SMEX
 | 
Small
 Explorer
 | 
| 
SMM
 | 
Solar
 Maximum Mission
 | 
| 
SMO
 | 
Systems Management Office
 | 
| 
SMT
 | 
Soldering Specification
 | 
| 
SOC
 | 
Science
 Operations Center | 
| 
SOHO
 | 
Solar
 and Heliospheric Observatory
 | 
| 
SOMO
 | 
Space
 Operations Management Office
 | 
| 
SONAR
 | 
Solar
 Near-surface Active-region Rendering | 
| 
SOT
 | 
State of the Theme | 
| 
SOT
 | 
Select
 On Test
 | 
| 
SOT
 | 
Solar
 Optical Telescope
 | 
| 
SOW
 | 
Statement of Work
 | 
| 
SP
 | 
Spectro-Polarimeter
 | 
| 
SPOT
 | 
Systeme Probatoire pour l'Observation de la Terre
 | 
| 
SQL
 | 
Structured Query Language
 | 
| 
SR&QA
 | 
Safety, Reliability, and Quality Assurance
 | 
| 
SRM&QA
 | 
Safety,
 Reliability, Mission and Quality Assurance | 
| 
SRAM
 | 
Static
 Random Access Memory
 | 
| 
SRD
 | 
System
 Requirements Document
 | 
| 
SRO
 | 
Systems Review Office
 | 
| 
SRR
 | 
Systems
 Requirements Review | 
| 
SSAC
 | 
Space
 Science Advisory Committee
 | 
| 
SSC
 | 
STEREO
 Science Center
 | 
| 
SScAC
 | 
Space
 Science Advisory Committee | 
| 
SSD
 | 
Solid
 State Detector
 | 
| 
SSD
 | 
Space
 Sciences Division
 | 
| 
SSE
 | 
Solar
 System Exploration | 
| 
SSPP
 | 
SEE Solar Pointing Platform
 | 
| 
SSR
 | 
Solid
 State Recorder
 | 
| 
SSS
 | 
Front
 End Buildtm Program
 | 
| 
ST
 | 
Star Tracker
 | 
| 
STDT
 | 
Science & Technology Definition Team
 | 
| 
STE
 | 
A STEREO Experiment
 | 
| 
STEREO
 | 
Solar
 Terrestrial Relations Observatory
 | 
| 
STK
 | 
Satellite Tool Kit
 | 
| 
STOL
 | 
Spacecraft Test and Operations Language
 | 
| 
STP
 | 
Solar
 Terrestrial Probes
 | 
| 
STP
 | 
Space
 Test Program | 
| 
STRV
 | 
Space
 Technology Research Vehicle | 
| 
SUMER
 | 
Solar
 Ultraviolet Measurements of Emitted Radiation
 | 
| 
SUROM
 | 
Start-up Read Only Memory
 | 
| 
SV
 | 
Space
 Vehicle
 | 
| 
SV
 | 
Storage Variable
 | 
| 
SVTF
 | 
Spacecraft Vibration Test Facility
 | 
| 
SW
 | 
Software
 | 
| 
SW
 | 
Solar
 Wind
 | 
| 
S/WAVES
 | 
STEREO/WAVES
 | 
| 
SWEA
 | 
Solar
 Wind Electron Analyzer
 | 
| 
SWG
 | 
Science Working Group
 | 
| 
SWIC
 | 
SpaceWire Interface Card
 | 
| 
SWS
 | 
Solar
 Wind Sector
 | 
| 
SWS Main
 | 
Solar
 Wind Sector Main
 | 
| 
SWS P/A
 | 
Solar
 Wind Sector Proton Alpha
 | 
| 
SWX
 | 
Space
 Weather
 | 
| 
SXI
 | 
Soft X-ray Imager
 | 
| 
SXI
 | 
Solar
 X-ray Imager
 | 
 
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