Acronyms
s/c
spacecraft
SAA
South Atlantic Anomaly
SAI
Sternberg Astronomical Institute
SAR
Synthetic-aperture radar
SARAL
Satellite with ARGOS and ALTIKA
Sat.
satellite
SB
Special Bureau
SBCP
Special Bureau for Combined Products / Special Bureau for the Combination Products
SBIR
Small Business Innovation in Research
SC
Sub-Commission
SCCID
Strategic Coordinating Committee for Information and Data
SCID
Ad hoc Strategic Committee on Information and Data
Sdev, SDev
standard deviation
SDSS DR
SDSS Data Release
SDSS/DR8
sec
second(s) [of time]
SED
spectral energy distribution(s)
SEDI
Study of the Earth Deep Interior
SEFD
System Equivalent Flux Density
SERC
STEM [Science, Technology, Engineering and Mathematics] Education Research Centre, University of Canberra
SF
San Francisco
SG
Study Group
SGF
= NERC-SGF
SGSLR
Space Geodesy SLR [system]
SH
Southern Hemisphere
SHA, SHAO
Shanghai Observatory
SHOM
Service hydrographique et océanographique de la Marine [Naval Hydrographic and Oceanographic Service]
SI
Système International (International System of Units)
SIC
Satellite Identification Code
SIM, SIMLite
NASA's Space Interferometry Mission
SIMB
Service d'Installation et de Maintenance des Balises DORIS
SINEX
Solution (Software/technique) INdependent EXchange Format
SLR
Satellite Laser Ranging
SLRF
ITRS realization by ILRS
SMBH
supermassive black hole
SME
Standard-Model Extension
SNAP
SuperNova Acceleration Probe
SNR
signal-to-noise ratio
SNSPD
Super-Conducting Nanowire Single Photon Detector
SOAR
Southern Astrophysical Research
SOC
Scientific Organizing Committee
SOD
CNES Service d'Orbitographie DORIS
SOI
SOAR Optical Imager
SOS-W
Satellite Observing System-Wettzell
SP
SP Technical Research Institute of Sweden [SP Sveriges Tekniska Forskningsinstitut; formerly Statens Provningsanstalt]
SpinSat
Special Purpose Inexpensive Satellite
SPM
Yale/San Juan Southern Proper Motion Program
SPOT
Satellite Pour l’Observation de la Terre
sq.deg
square degree
SREF
Square-root Reference frame Estimation Filter
SRIF
Square Root Information Filter array
SRP
solar radiation pressure
SSA
South Atlantic Anomaly
SSALTO
Segment Sol multi-mission d'ALTimétrie, d'Orbitographie et de localisation précise
SSC
Sets of Stations Coordinates
SSCPP
Site Survey and Co-location Pilot Project
SSEM
Station Systematic Error Monitoring
SSG
Special Study Group
SSV
Sets of Stations Velocities
STCD
STation Coordinates Difference
STD
standard deviation
STM
Science Team Meeting
Stn.
station
SVN
Apache Subversion [repository]
SW
software
SWIFT
Solar Wind Imaging Facility Telescope
SyRTE, SYRTE
Systèmes de Référence Temps-Espace [department]
