Download a PDF Version: Acronyms A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A ADD AGN AGU AIUB ASI ATO Architecture Description Document Active Galactic Nuclei American Geophysical Union Astronomical Institute of Berne (Switzerland) Agenzia Spaziale Italiana (Italian Space Agency) Authority to Operate Go to top B BIPM BKG International Bureau of Weights and Measures Bundesamt für Kartographie und Geodäsie (Germany) Go to top C C C&DH CB CBE CCB CCR CDDIS CDRL CfA CFR CM CNES CoM COMSEC CONOPS CONUS COR COTS CSO CTRS Consequence Command and Data Handling Central Bureau Current Best Estimate Configuration Control Board Configuration Change Request Crustal Dynamics Data Information System (USA) Contract Data Requirements List Center for Astrophysics (USA) Code of Federal Regulations Configuration Management Centre National d’Etudes Spatiales (France) Center of Mass Communications Security Concept of Operations Continental United States Contracting Officer's Representative Commercial Off-the-Shelf Chief Safety and Mission Assurance Officer Conventional Terrestrial Reference System Go to top D DCN DGFI DORIS DPM DIS DR Document Change Notice Deutsches Geodätisches Forschungs Institut (Germany) Doppler Orbitography and Radiopositioning Integrated by Satellite Deputy Project Manager Data Information Services Discrepancy Report Go to top E EAR EDC EET EGU EOP EOS EOSDIS EPR ERP ESA ESD ESDIS ESOC EVM Export Administration Regulation European Data Center End-to-End Test European Geophysical Union Earth Orientation Parameter Earth Observing System (USA) Earth Observing System Data and Information System (USA) Engineering Peer Review Earth Rotation Parameter European Space Agency Earth Science Directorate Earth Science Data and Information System (USA) ESA Space Operations Center Earned Value Management Go to top F FAA FAD FAL FAR FAT FIR FPGA FTE FWHM FY Federal Aviation Administration Formulation Authorization Document Formulation Authorization Letter Final Acceptance Review Factory Acceptance Test Finite Impulse Response Field Programmable Gate Array Full Time Equivalent Full width half max Fiscal Year Go to top G GA GFE GFZ GGAO GGN GGOS GLONASS GMSEC GNSS GPD GPR GPS GSFC GSMO GTA Geoscience Australia Government Furnished Equipment GeoForschungsZentrum (Germany) Goddard Geophysical and Astronomical Observatory (USA) Global GNSS Network Global Geodetic Observing System Global’naya Navigatsionnay Sputnikovaya Sistema Goddard Mission Services Evolution Center Global Navigation Satellite System Goddard Policy Directive Goddard Procedural Requirements Global Positioning System Goddard Space Flight Center (USA Ground Systems and Mission Operations Contract Gimbal and Telescope Assembly Go to top H HEO HQ HQ High Earth Orbiting Headquarters NASA Headquarters Go to top I I&T IAG IBR ICD ICMP ICPO ICRF ICRS IDIQ IDS IERS IGN IGN IGS IGSOC IHCE IIRT ILRS IMS I/O IPT IRB IRD IT ITAR ITRF ITRS IUGG IVS Integration and Test International Association of Geodesy Integrated Baseline Review Interface Control Document Information / Configuration Management Plan International Coordination and Partnership Office International Celestial Reference Frame International Celestial Reference System Indefinite Delivery Indefinite Quantity International DORIS Service International Earth Rotation and Reference Systems Service Institut Geographique National (France) Instituto Geográfico Nacional (Spain) International GNSS Service Integrated Geodetic Site Operations Center In-House Cost Estimate Integrated Independent Review Team International Laser Ranging Service Integrated Master Schedule Input / Output (aka IO) Integrated Product Team Independent Review Board Interface Requirements Document Information Technology International Traffic in Arms Regulations International Terrestrial Reference Frame International Terrestrial Reference System International Union of Geodesy and Geophysics International VLBI Service for Geodesy and Astrometry Go to top J JAXA JCET JCL JPL Japan Aerospace Exploration Agency Joint Center for Earth Systems Technology (USA) Joint Cost and Schedule Confidence Level Jet Propulsion Laboratory (USA) Go to top K KDP KEOF kHz KPGO Key Decision Point Kalman Earth Orientation Filter kiloHertz Kōke'e Park Geophysical Observatory Go to top L L LAGEOS LCC LCCE LEO LLC LLR LNA LOD LOE LOLA LR LRA LRO LRO-LR Likelihood LAser GEOdynamics Satellite Life Cycle Cost Life Cycle Cost Estimate Low Earth Orbiting Lessons Learned Committee Lunar Laser Ranging Low Noise Amplifier Length Of Day Level of Effort Lunar Orbiter Laser Altimeter Laser Ranging Laser Ranging Retroreflector Array Lunar Reconnaissance Orbiter Lunar Reconnaissance Orbiter Laser Ranging Go to top M MA MAR MASER MCD MCI MCP MCR MDR MET MGO MIL mJ MLRS mm MOBLAS MOR mR MSO MSR Mission Assurance Mission Assurance Requirement Microwave Amplification by Stimulated Emission of Radiation McDonald Observatory Monitor and Control Infrastructure MicroChannel Plate PMT Mission Concept Review Mission Definition Review Meteorological McDonald Geodetic Observatory Military milliJoule McDonald Laser Ranging System (USA) millimeter MOBile LASer Ranging System Mission Operations Review milliRadian Mission Support Office Monthly Status Review Go to top N NASA NGO NGSLR NHB NOA NOAA NOC NPD NPR NPT NRC NRL NSGN National Aeronautics and Space Administration (USA) Ny-Ålesund Geodetic Observatory Next Generation Satellite Laser Ranging NASA Handbook New Obligation Authority National Oceanic and Atmospheric Administration (USA) Network Operations Center NASA Policy Directive NASA Procedural Requirement Normal Point National Research Council U.S. Naval Research Laboratory NASA Space Geodesy Network Go to top O O&M OEM OCX OGA OMB OPSEC ORR Operations and Maintenance Next Generation GPS Ground Segment for Air Force Original Equipment Manufacturers Other Government Agency Office of Management and Budget Operational Security Operational Readiness Review Go to top P PDR PFB PI PLRA PM PMT POC POD PPBE PPS PR ps PSR PTR Preliminary Design Review Polyphase Filterbank Photonics Industiries Program Level Requirements Appendix Project Manager PhotoMuliplier Tube Point of Contact Precision Orbit Determination Program Planning and Budget Execution Pulse Per Second Purchase Request picoseconds Pre-Shipment Review Periodic Technical Review Go to top Q QRFH QSR Quad Ridge Flared Horn Quarterly Status Review Go to top R RCE RDBE Rep RF RFA RFI RFP RINEX RMA RMS ROACH RTM RTS Range Control Electronics ROACH Digital Back End Repetition Radio Frequency Request For Action Request for Information Request for Proposal Receiver Independent Exchange format Reliability, Maintainability and Availability Root Mean Square Reconfigurable Open Architecture Computing Hardware Requirements Tractability Matrix Robotic Total Station Go to top S S&MA SAO SAR SAT SATERN SCNS SE SE&I SEFD SEMP SENSE SG SGN SGNOC SGP SGSLR SGT SI&T SINEX SLR SMAP SMD SME SMP SOW SP3 SQAP SRD SRIF SRO SRR SSRx STD STE STOP SWC Safety and Mission Assurance Smithsonian Astrophysical Observatory (USA) System Acceptance Review Site Acceptance Test System for Administration, Training, and Educational Resources for NASA Space Communications Network Services Contract Systems Engineering Systems Engineering and Integration System Equivalent Flux Density System Engineering Management Plan Space Exploration Network Services and Evolution Contract Space Geodesy Space Geodesy Network Space Geodesy Network Operations Center Space Geodesy Project Space Geodesy Satellite Laser Ranging Stinger Ghaffarian Technologies, Inc. (USA) System Integration and test Software Independent Exchange Format Satellite Laser Ranging Safety and Mission Assurance Plan Science Mission Directorate Subject Matter Expert Software Management Plan Statement of Work Standard Product 3 (satellite orbit format) Software Quality Assurance Plan System Requirements Document Square-root information filter Systems Review Office Systems Requirements Review SigmaSpace Receiver Standard Support and Test Equipment Structural, Thermal, Optical Software Correlator Go to top T TBD TBS TLRS ToR T/R TRF TRL To Be Determined To Be Supplied Transportable Laser Ranging System Terms of Reference Transmit / Receive Terrestrial Reference Frame Technology Readiness Levels Go to top U UFE ULE UMBC USNO UT1 Unallocated Future Expenses User Local Equipment University of Maryland Baltimore County (USA) United States Naval Observatory Universal Time Go to top V V&V VGOS VLBI VTS Verification and Validation VLBI Global Observing System Very Long Baseline Interferometry Vector Tie System Go to top W WBS Work Breakdown Structure Go to top X Go to top Y Go to top Z Go to top
