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Acronyms

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  • 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
  • BIPM
  • BKG
  • International Bureau of Weights and Measures
  • Bundesamt für Kartographie und Geodäsie (Germany)
  • 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
  • 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
  • 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
  • FAA
  • FAD
  • FAL
  • FAR
  • FAT
  • FIR
  • FPGA
  • FTE
  • FWHM
  • FY
  • Federal Aviation Administration
  • Formulation Authorization Document
  • Formulation Authorization Letter
  • Factory Acceptance Test
  • Final Acceptance Review
  • Finite Impulse Response
  • Field Programmable Gate Array
  • Full Time Equivalent
  • Full width half max
  • Fiscal Year
  • 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
  • HEO
  • HQ
  • HQ
  • High Earth Orbiting
  • Headquarters
  • NASA Headquarters
  • 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
  • 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)
  • KDP
  • KEOF
  • kHz
  • KPGO
  • Key Decision Point
  • Kalman Earth Orientation Filter
  • kiloHertz
  • Kōke'e Park Geophysical Observatory
  • 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
  • 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
  • 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
  • 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
  • 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
  • QRFH
  • QSR
  • Quad Ridge Flared Horn
  • Quarterly Status Review
  • 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
  • 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
  • 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
  • UFE
  • ULE
  • UMBC
  • USNO
  • UT1
  • Unallocated Future Expenses
  • User Local Equipment
  • University of Maryland Baltimore County (USA)
  • United States Naval Observatory
  • Universal Time
  • V&V
  • VGOS
  • VLBI
  • VTS
  • Verification and Validation
  • VLBI Global Observing System
  • Very Long Baseline Interferometry
  • Vector Tie System
  • WBS
  • Work Breakdown Structure