MErcury Surface, Space ENvironment, GEochemistry, and Ranging Acronyms and Abbreviations AAAS AAS AC ACS ACT ADC ADCS AE AFTLV AGC AGC AGI AGU AIAA ALAS AM AMMOS AMNH AO AOS API ApID APL APX ASC ASCE ASCII ASI ASIC ASME ASME AST ASTM AT ATD ATDF ATP AU AWG American Association for the Advancement of Science American Aeronautical Society attitude control Attitude Control System Applied Coherent Technology analog-to-digital converter Attitude Determination and Control Subsystem attitude estimate auxiliary fuel tank latch valve automatic gain control automatic gain control Analytical Graphics Inc. American Geophysical Union American Institute of Aeronautics and Astronautics advanced liquid axial stage Atmosphere and Magnetosphere Group Advanced Multi-mission Operating System American Museum of Natural History Announcement of Opportunity acquisition of signal application programmers interface application ID Applied Physics Laboratory alpha, proton, X-ray Astrodynamics Specialist Conference Aerospace Specialist Conference and Exhibit American Standard Code for Information Interchange Agenzia Spaziale Italiana (Italian Space Agency) application specific integrated circuit Aerospace Sciences Meeting and Exhibit American Society of Mechanical Engineers Autonomous Star Tracker American Standards for Testing Materials auxilary tank Advanced Technology Demonstration auxiliary tracking data file Acceptance Test Procedure Astronomical Unit American wire gauge BB BC BCU BER B-frame BGO BISD BIU BM BNL BOA BOL BOM BOT BSP BTE BVR BWG breadboard bus controller (1553) blockhouse control unit Bit Error Rate body frame bismuth germanate Business and Information Services Department bus interface unit bus monitor Brookhaven National Laboratories beginning of allocation beginning of life bill of materials beginning of track board support package bench test equipment block V receiver beam-waveguide C&DH CA CAD/CAM CAS CASE CBE CCB CCD CCD CCE CCGA CCGA CCP CCSDS CCSSE CDF CDR CE CER CERES CERT CES CFD CFDP CFE CG command and data handling closest approach computer-aided-design/computer-aided-manufacture canned activity sequence Carnegie Academy for Science Education current best estimate change control board critical command decoder charged-coupled device Contamination Control Engineer Ceramic Column Grid Array ceramic column grid array Contamination Control Plan Consultative Committee for Space Data Systems Challenger Center for Space Science Education common data format Critical Design Review Contamination Experiment cost estimating relationship Center for Educational Resources Computer Emergency Response Team Component Environmental Specification constant fraction discriminator CCSDS file delivery protocol Customer Furnished Equipment center of gravity CGA CGI CIW CK CLCW CLTU CLTU CM CMC CMDIF CMX COB CoDR Co-I COI COM CONTOUR COP CORBA CORE CoTR COTS CP cPCI CPFF CPIF CPM CPP CPU CPV CR CSC CSCI CSR CTE CTT CUC CVCM column grid array common gateway interface Carnegie Institution of Washington camera kernel (SPICE) command link control word command link transfer unit command link transmssion unit configuration management ceramic matrix composite command interface Cerium oxide doped borosilicate glass chip on board Conceptual Design Review Co-Investigator Composite Optics, Inc. cost of money COmet Nucleus TOUR Command Operation Procedure common object request broker architecture Central Operation of Resources for Educators contract technical representative commercial-off-the-shelf center of pressure Compact PCI cost-plus-fixed-fee cost-plus-incentive-fee critical path method Cleaning Process Procedure Central Processing Unit common-pressure vessel Confirmation Review computer software component computer software configuration item Concept Study Report coefficient of thermal expansion compatibility test trailer CCSDS Unsegmented Time Code collected volatile condensable materials DAC DC DC/DC DCMC DCN DDS digital to analog converter Direct Current direct current to direct current (conversion) Defense Contract Management Command drawing change notices Delta DeSpin DEI DIP DISE DMA DMR DOD DOSFS DPCM DPCM DPU DSAD DSI DSM DSMS DSN DSS DTM DTO DWG Data Exchange Infrastructure (NAVY system) dual in-line package DPU interface selection electronics direct memory access Detailed Mission Requirements depth of discharge DOS file system delta pulse code modulation differential pixel code modulation Data Processing Unit (Instrument) Digital Solar Attitude Detector Decom Systems Inc. Deep Space Maneuver Deep Space Mission Service Deep Space Network digital Sun sensor Department of Terrestrial Magnetism detailed test objectives Data Working Group E/PO E/q ECL ECR EDAC EDF EDM EDR EDU EEPROM EGCS EGSE EK ELV ELVS EM EMC EMI/RFI EOA EOL EOL EOM EOT EPL EPPS Education and Public Outreach energy/charge emitter coupled logic Engineering Change Requests error detection and correction engineering, design, and fabrication electrical discharge machining Engineering Design Review engineering development unit electrically erasable programmable read only memory Experimental GNU Compiler System electrical ground support equipment events kernel Expendable Launch Vehicle Expendable Launch Vehicle Services Engineering Model electro-magnetic compatibility electromagnetic interference/radio frequency interference end of allocation end of life end of life end of mission end of track electrical parts list Energetic Particle and Plasma Spectrometer (Instrument) EPS EPU ERCN ERT ESA ESD ESD Energetic Particle Spectrometer (sensor) Event Processing Unit Educators’ Resource Center Network Earth Received Time electrostatic analyzer electrostatic discharge event sequence diagram FAQ FAR FAT FBA FDP FEA FECF FEM FER FES FET FFR FFT FIFO FIPS FITS FM FMEA FOP FOT FOV FPA FPGA FPP FPP FPU FRU FTA FTE FTP FU FU/FS FUV FW frequently asked questions Federal Acquisition Regulation file allocation table fanbeam antenna file delivery protocol finite element analysis Frame Error Control Field Finite Element Model frame error rate fine error sensor field-effect transistor Fabrication Feasibility Review fast Fourier transform first in, first out Fast Imaging Plasma Spectrometer (sensor) Flexible Image Transport System flight model failure mode effects analysis Frame Operation Procedure Flight Operations Team field-of-view focal plane assembly field-programmable gate array fault protection processor floating point processor focal plane unit frequency reference unit fault tree analysis full-time equivalent file transfer protocol flight unit flight unit/flight spare far ultraviolet filter wheel G&A General and Administrative G&C GC GDS GG GLAS GP GPC GRC GRNS GRS GRT GS GSE GSE GSEOS GSFC GUI guidance and control Geochemistry Group Ground Data System Geology Group Geoscience Laser Altimeter System Geophysics Group gas proportional counter John H. Glenn Research Center at Lewis Field Gamma-Ray and Neutron Spectrometer (Instrument) Gamma-Ray Spectrometer Ground Received Time Ground System ground support equipment Ground System Engineer Ground Support Equipment Operating System Goddard Space Flight Center graphic user interface H/H H/M HBCUs HD HDI HEF HFET HGA HISSC HITL HK HPGe HPLVF HPLVO HR HRG HRSC HSKP HTTP HV HVPS HW Hz high/high high/medium Historically Black Colleges and Universities hard disk high density interconnect high-efficiency heterostructure field-effect transistor high-gain antenna High Intensity Solar Simulation Chamber hardware-in-the-loop housekeeping high purity germanium high pressure latch valve, fuel high pressure latch valve, oxidizer heat rejection hemispherical resonator gyroscope High-Resolution Stereo Camera housekeeping hypertext transfer protocol high voltage high voltage power supply hardware hertz I&T I/F I2C integration and test Interface inter-integrated circuit IA&T IAA IC ICD ICS IDS IEEE IEM IFFR IGSE IK IMU IPSDU IPTF IR IR&D IRD IRR ISI ISP ISR ITAR ITF ITO IV IV&V IYP Integration, Assembly and Test International Academy of Astronautics initial calibration Interface Control Document Ion Composition Subsystem Instrument Data System Institute of Electrical and Electronic Engineers Integrated Electronics Module Informal Fabrication Feasibility Review Instrument Ground Support Equipment Instrument Parameter Kernel (SPICE) Inertial Measurement Unit Instrument Power Switching and Distribution Unit interprocessor transfer frame infrared Independent Research and Development Interface Requirements Document Integration Readiness Review Integral Systems, Incorporated (EPOCH) integrated structure and propulsion interrupt service routine International Traffic in Arms Regulations instrument transfer frame indium tin oxide current (I) voltage (V) independent verification and validation in your palm JGR JHU JHU/APL JPL JTAG Journal of Geophysical Research (J. Geophys. Res.) The Johns Hopkins University The Johns Hopkins University Applied Physics Laboratory Jet Propulsion Laboratory Joint Test Action Group KB kbps KSC kilobytes kilobits per second Kennedy Space Center L/C LAMRC LASP LBNL LCC load case lossy adaptive multi-resolution compression Laboratory for Atmospheric and Space Physics Lawrence Berkeley National Laboratory leadless chip carrier LCCC LGA LLNL LPB LRR LSC LSK LSoC LUT LV LVA LVDS LVPS LVS leadless ceramic chip carrier low-gain antenna Lawrence Livermore National Laboratory Logical Parameter Block Launch Readiness Review launch services contractor leapseconds kernel (SPICE) low state of charge look-up table launch vehicle large velocity adjustment low voltage differential signaling Low Voltage Power Supply Low Voltage Sensor MAG MASCS MCM MCM MCP MCP MDIS MDM MEM MEOP MERLIN MESSENGER MET MEU MEX MG&C MGA MI MIA MIWG MKS MLA MLI MLS MM MMIC MOC MODC MOI MOPA Magnetometer (Instrument) Mercury Atmospheric and Surface Composition Spectrometer miscellaneous contract materials momentum correction maneuver microchannel plate Monitor and Control Processor (DSN station) Mercury Dual Imaging System (Instrument) micro “D” metal MESSENGER Education Module maximum expected operating pressure Mercury Links MErcury Surface, Space ENvironment, GEochemistry, and Ranging mission elapsed time Main Electronics Unit Matlab Executable (file format) MESSENGER Guidance and Control medium-gain antenna minority institutions Monitor Interface Assembly (DSN station) Mission Integration Working Group Mortice Kern Systems (software package for configuration control) Mercury Laser Altimeter (Instrument) multilayer insulation microwave limb sounder Mission Manager monolithic microwave integrated circuit Mission Operations Center miscellaneous other direct costs Mercury orbit insertion master oscillator power amplifier MOPS MOS MOSFET MOT MP MPA MPB MPCF MPG MRDF MRR MSE MSE msec MSFC MSPSP MSPSP MSSE MSU MTAC MTF MTTF MU-SPIN MUV Mission Operations Mission Operations System metal-oxide semiconductor field-effect transistor Mission Operations Team main processor (in the IEM) mirror positioning assembly Main Processor Board Mission Operations Center to Payload Command Filter Mission Planning Group Material Review Disposition Form Mission Readiness Review math, science, and engineering Mission System Engineer millisecond Marshall Space Flight Center Missile System Prelaunch Safety Package Missile System Prelaunch Safety Program Mission Software System Engineer Montana State University Mid-Atlantic Technology Applications Center modulation transfer function mean-time-to-failure Minority University-SPace Interdisciplinary Network middle ultraviolet NA NAC NAIF NASA NASCOM NASM NASTRAN NLS NLT NRE NRTS NS NSBRI NSES NSTA NT NTE NTO NTS narrow-angle narrow-angle camera Navigation and Ancillary Information Facility National Aeronautics and Space Administration NASA Communications Network National Air and Space Museum NASA Structural Analysis NASA Launch Systems not later than non-recurring engineering Network Resources and Training Sites Neutron Spectrometer National Space Biomedical Research Institute National Science Education Standards National Science Teachers Association New Technology not to exceed Nitrogen Tetroxide National Technical Systems OCLI OCM OCXO ODBC ODC ODF OIM OLS OMB OMS OPNAV OS OSDP OSR OSS OWLT Optical Coating Laboratories, Inc. orbit correction maneuver oven controlled crystal oscillator open database connectivity other direct costs orbit data file orbit insertion maneuver Orbital Launch Services Office of Management and Budget Orbital Maneuvering Subsystem Optical Navigation Operating System onboard signal and data processor optical solar reflector Office of Space Science one-way light time P/FR PA PAA PAE PAF PAIP PAUX PB PCI PCI PCI PCK PCM PCM PCS PCU PDR PDS PDU PEM PEPL PER PERT PF PFR Phase B Phase C/D Problem/Failure Report Performance Assurance phased array antenna Performance Assurance Engineer payload attach fitting Product Assurance Implementation Plan pressure, auxiliary tank Parameter Block Peripheral Component Interconnect peripheral component interconnect peripheral component interface Planetary Constants Kernel (SPICE) phase change material power converter module probability of command shutdown Power Conversion Unit Preliminary Design Review Planetary Data System Power Distribution Unit particle environment monitor Preliminary Electrical Part List Pre-Environmental Review Program Evaluation and Review Technique proto-flight problem/failure report 20 December 1999–30 June 2001 1 July 2001–30 April 2004 Phase E PI PID PIDDP PIPE PLM PLR PM PMD PMT POR POSIX ppb PPCI PPL ppm PPS PPSM PPT PQS PRA ProcPAR PROM PS PSD PSE PSI PSIA PSLA PSR PSU PTP PWB PWM 1 May 2004–30 September 2011 Principal Investigator proportional integral derivative Planetary Instrument Definition and Development Program planetary image processing environment periapse lower maneuver Program Level Requiremens Project Manager propellant management device photomultiplier tube power on reset portable open systems interface extended parts per billion Power PCI = Power Peripheral Componnet Interconnect Preferred Parts List parts per million pulse per second Processor/power supply module peak-power tracker Program Quality Summary probabilistic risk assessment Procurement Product Assurance Requirements programmable read only memory Project Scientist power spectral density power-system electronics Pressure Systems, Inc. pounds per square inch absolute project service level agreement Pre-Ship Review power switching unit programmable telemetry processor printed wiring board pulse-width modulation QARL Quality Assurance Requirement Level R RAM RDC RE REA REA RF Rayleighs random access memory resolver to digital converter recurring engineering rapid environmental assessment rocket engine assembly radio frequency RFI RFP RIO RIU RMIS ROI ROM RP RPN RS RT RTLT RTW RTX Requests for Information Request for Proposal remote input output Remote Interface Unit Resource Management Information System region of interest reasonable order of magnitude rapid prototype reverse polish notation Radio Science remote terminal (1553) roud trip light time Real-Time Workshop real time express S/C S/W SA SADA SAIC SAS SBLO SBV SCA SCCS SCET SCLK SCP SCPS SCSE SCSI SD SDB SDD SDP SDR SDST SEI SES SEU SFDU SI SMT SNAPSAT SNR spacecraft software Solar Array Solar Array Drive Actuator Science Applications International Corporation Science Analysis System Small Business Liaison Office space based visible Subcontract Administrator Source Configuration Control System spacecraft event time Spacecraft Clock Kernel (SPICE) spacecraft control processor Space Communications Protocol Standards Spacecraft System Engineer Small Computer System Interface Space Department Small Disadvantaged Business software detailed design Software Development Plan Subsystem Design Review small deep space transponder Space Electronics, Incorporated Scientific & Engineering Solutions single-event-upset Standard Formatted Data Unit Science Instrument surface mounted technology Short Notice Accelerated Production SATellite signal-to-noise ratio SOC SOC SOW SPE SPICE SPIE SPK SPM SQA SQL SRAM SRD SRR SRR/CoDR SRS SSC SSCM SSD SSPA SSR SSRA ST STE STEREO STICS STOL SW SWG SWSE Science Operations Center state-of-charge (battery) Statement of Work Static Phase Error spacecraft, planet, instrument, c-matrix, events Society of Photo-Optical Instrumentation Engineers Spacecraft and Planets Kernel (SPICE) Science Payload Manager Software Quality Assurance sequential query language static random access memory System Requirements Document System Requirements Review System Requirements Review/Conceptual Design Review software requirements specification Science Steering Committee Small Spacecraft Cost Model solid-state detector solid-state power amplifier solid-state recorder solid-state recorder assembly Star Tracker special test equipment Solar-Terrestrial Relations Observatory Supra-Thermal Ion Composition Spectrometer Spacecraft Test and Operations Language software Science Working Group Software System Engineer TA TBD TCE TCM TCP TCXO TDB TDT TEC TGA TIM TIMED TIU TLC TLM true anomaly to be determined thermal coefficient of expansion trajectory correction maneuver transmission control protocol temperature compensated crystal oscillator Terrestrial Barycentric Time Terrestrial Dynamic Time thermo-electric cooler thermal gravimetric analysis Technical Interchange Meeting Thermosphere, Ionosphere, Mesosphere, Energetics and Dynamics time interval unit target language compiler telemetry TLMIF TMC TMDC TML TMOD TMR TOF TQCM TRIO TRL TrueFFS TSD TVC telemetry interface total mission cost total modified direct cost total mass loss Telecommunications and Mission Operations Directorate triple module redundancy time-of-flight temperature controlled quartz crystal microbalance temperature remote input output technology readiness level True Flash File System Technical Services Department thrust vector control UART UCB UM USN USO UTC UV UVSN UVVS Universal Asynchronous Receiver Transmitter University of California, Berkeley University of Michigan Universal Space Net Ultra-Stable Oscillator coordinated universal time ultraviolet unpowered Venus swingby navigation Ultraviolet-Visible Spectrometer (Instrument) V&V V/T VC VHDL VHSIC VIRS VIS VLSI VMAG VME VPT validation and verification voltage/temperature virtual channel VHSIC hardware description language very high speed integrated circuit Visible-Infrared Spectrograph (Instrument) visible very large scale integration Vector Magnetometer Versa Module Eurocard manufacturer of DC-DC converters WA WAC WAN WBS WCL WDT wide-angle wide-angle camera wide area network Work Breakdown Structure wire connection list watch dog timer WOSB wrt WW women-owned small business with respect to wirewrap XGRS XML XRS X-ray and Gamma-ray Spectrometer extended markup language X-Ray Spectrometer (Instrument)