Space Frequency Coordination Group
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Glossary

Acronym
Full Name
ASA Austrian Space Agency
ASC Australian Space Council
ASO Australian Space Office
BNSC British National Space Center
BR Radiocommunication Bureau of the ITU
CAST Chinese Academy of Space Technology
CCIR International Radio Consultative Committee (as of 1 March 1993 replaced by Radiocommunication Study Groups of the RB)
CEPT European Conference of Postal and Telecommunications Administrations 
CCSDS Consultative Committee on Space Data Systems
CGMS Coordination on Geostationary Meteorological Satellites.
CITEL Conference on Inter-American Telecommunications
CMA China Meteorological Administration
CNES Centre National d'Études Spatiales (France)
CNSA China National Space Administration
CONAE Comisión Nacional de Actividades Espaciales (Argentina)
CSA Canadian Space Agency
CSIRO Commonwealth Scientific and Industrial Research Organization (Australia)
CSTG Commission for International Coordination of Space Techniques for Geodesy and Geodynamics
DLR Deutsche Forschungs - und Versuchanstalt fur Luft - und Raumfahrt e.V.
DoC Canada Department of Communications, Canada
DSN Deep Space Network
EDRS European Data Relay System (ESA)
EESS Earth Exploration Satellite service
EIRP Effective isotropically radiated power
ESA European Space Agency
EUMETSAT European Meteorological Satellite Organization
G/T Ratio of gain to noise temperature
GCOS Global Climate Observing System
GSO Geostationary satellite orbit
IFRB International Frequency Registration Board (As of 1 March 1993 replaced by Radiocommunication Bureau of the ITU)
INPE Instituto de Pesquisas Espaciais (Brazil)
INSA Ingeniera y Servicios Aeroespaciales (Spain)
ISRO Indian Space Research Organization
ITU International Telecommunication Union
IUCAF Inter-Union Commission of Frequency Allocations for Radio Astronomy and Space Science
IWG  Intersessional Working Group (of the SFCG)
JAXA Japan Aerospace Exploration Agency
LEO Low earth orbit
MetSS Meteorological Satellite service
NASA National Aeronautics and Space Administration (USA)
NIVR Nederlands Instituut voor Vliegtuigontwikkeling en Ruimtevaart
NOAA National Oceanic and Atmospheric Administration (USA)
PFD Power flux density
RAS Russian Academy of Science
RB Radiocommunication Bureau of the ITU
RSA Russian Space Agency
RR Radio Regulations of the ITU
SG 7 Radiocommunication Study Group 7: Science Services (ex CCIR SG 7)
SNIP Space Network Interoperability Panel
SBSA Swedish Board for Space Activities
SSC Swedish Space Corporation
TDRSS Tracking and Data Relay Satellite System (NASA)
TTC Tracking, telemetry, and command
WCRP World Climate Research Program
WMO World Meteorological Organization
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SFCG Executive Secretary: Edoardo Marelli, Edoardo.Marelli@esa.int