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AcronymFull Name
ASAAustrian Space Agency
ASCAustralian Space Council
ASOAustralian Space Office
BNSCBritish National Space Center
BRRadiocommunication Bureau of the ITU
CASTChinese Academy of Space Technology
CCIRInternational Radio Consultative Committee (as of 1 March 1993 replaced by Radiocommunication Study Groups of the RB)
CCSDSConsultative Committee on Space Data Systems
CEPTEuropean Conference of Postal and Telecommunications Administrations
CGMSCoordination on Geostationary Meteorological Satellites
CITELConference on Inter-American Telecommunications
CMAChina Meteorological Administration
CNESCentre National d'√Čtudes Spatiales (France)
CNSAChina National Space Administration
CONAEComisión Nacional de Actividades Espaciales (Argentina)
CSACanadian Space Agency
CSIROCommonwealth Scientific and Industrial Research Organization (Australia)
CSTGCommission for International Coordination of Space Techniques for Geodesy and Geodynamics
DLRDeutsche Forschungs - und Versuchanstalt fur Luft - und Raumfahrt e.V.
DoC CanadaDepartment of Communications, Canada
DSNDeep Space Network
EDRSEuropean Data Relay System (ESA)
EESSEarth Exploration Satellite service
EIASTEmirates Institution for Advanced Science and Technology
EIRPEffective isotropically radiated power
ESAEuropean Space Agency
EUMETSATEuropean Meteorological Satellite Organization
G/TRatio of gain to noise temperature
GCOSGlobal Climate Observing System
GSOGeostationary satellite orbit
IFRBInternational Frequency Registration Board (As of 1 March 1993 replaced by Radiocommunication Bureau of the ITU)
INPEInstituto de Pesquisas Espaciais (Brazil)
INSAIngeniera y Servicios Aeroespaciales (Spain)
ISROIndian Space Research Organization
ITUInternational Telecommunication Union
IUCAFInter-Union Commission of Frequency Allocations for Radio Astronomy and Space Science
IWGIntersessional Working Group (of the SFCG)
JAXAJapan Aerospace Exploration Agency
LEOLow earth orbit
MetSSMeteorological Satellite service
NASANational Aeronautics and Space Administration (USA)
NIVRNederlands Instituut voor Vliegtuigontwikkeling en Ruimtevaart
NOAANational Oceanic and Atmospheric Administration (USA)
PFDPower flux density
RASRussian Academy of Science
RBRadiocommunication Bureau of the ITU
RRRadio Regulations of the ITU
RSARussian Space Agency
SBSASwedish Board for Space Activities
SG 7Radiocommunication Study Group 7: Science Services (ex CCIR SG 7)
SNIPSpace Network Interoperability Panel
SSCSwedish Space Corporation
TDRSSTracking and Data Relay Satellite System (NASA)
TTCTracking, telemetry, and command
WCRPWorld Climate Research Program
WMOWorld Meteorological Organization