ST5 PDR June 19-20, 2001A-1

GSFC

ST5 PDR Acronyms List AAS Auxiliary Adapter StructureACS Attitude Control SystemAF Air ForceAFRL Air Force Research LabAGS Automatic Gain ControlAOS Acquisition of SignalARO After Receipt of OrderASIST Advanced Spacecraft integration and System TestBB’s Bread BoardsBER Bit Error RateBoeing Boeing CompanyBOL Beginning of LifeBW Band WidthCAD Computer Aided DesignCB Click BondCBE Current Best EstimateCCAM Contamination and Collision Avoidance ManeuverCCNT Constellation Communication & Navigation TransceiverCCSDS Consultative Committee for Space Data SystemCDR Critical Design ReviewC&DH Command and Data HandlingCE Conducted EmissionsCHAMP Challenging Mini-Satellite PayloadCLT Cross Link TransceiverCOTS Commercial off the shelfCM Configuration ManagementCNC Computer Numerical ControlCS Conducted SusceptibilityCSOC Consolidated Space Operations ContractCPU Central Processing UnitCULPRiT CMOS Ultra Low Power Radiation Tolerant

ST5 PDR June 19-20, 2001A-2

GSFC

ST5 PDR Acronyms List CTE Coefficient of Thermal ExpansiondB decibelDHDS Digital History Data StorageDoD Department of DefenseDRAM Dynamic Random Access MemoryDSP Digital Signal ProcessorDSN Deep Space NetworkDS Deployer Structure (for ST5) DVMs Digital Volt MetersEELV Enhanced Expandable Launch VehicleEEPROM Electrically Erasable PROMEDAC Error Detection & CorrectionEGSE Electrical Ground Support EquipmentEICD Electrical Interface Control DocumentEIRP Effective Isotropically Radiated PowerEM engineering modelEMC Electromagnetic CompatibilityEMI Electromagnetic InterferenceEOL End of LifeESD Electro Static DischargeESPA EELV Secondary Payload AdapterETU Engineering Test UnitFEDS Front-end Data SystemFEM Finite Element ModelFET Field Effect TransistorsFD Flight DynamicsFDF Flight Dynamics FacilityFIFO First In First OutFOV Field of ViewFSW flight software

ST5 PDR June 19-20, 2001A-3

GSFC

ST5 PDR Acronyms List FPGA Field Programmable Gate ArrayGEVS Goddard Environmental SpecificationGDS Ground Data SystemGN&C Guidance & Navigation ControlGpa Giga PascalGPS Global Positioning SystemGRACE Gravity Recovery and Climate ExperimentGrms Root Mean Squared gravitational accelerationGSCID Global Spacecraft IdentificationGSE Ground Support EquipmentGSFC Goddard Space Flight CenterGTO Geosynchronous Transfer Orbit HESSI High Energy Solar Spectroscopic Imager HDS Hybrid Dynamic SimulatorHK HousekeepingHQ Headquarters (NASA)H/W HardwareHPA High Power AmplifierI&T Integration & TestICD Interface Control DocumentID Instrument DeliveryIP Internet ProtocolI/F InterfaceIMAGE Imager for Megnetopause-to-Aurora Global ExplorerIRD Interface Requirements DocumentITOS Integration Test Operation SystemJPL Jet Propulsion LaboratoryKbps Kilobytes per second Km kilometerKrads Kilo radsKSC Kennedy Space Center

ST5 PDR June 19-20, 2001A-4

GSFC

ST5 PDR Acronyms List Ksps Kilosymbols per second L&EO Launch & Early OrbitLETth Liner Energy Transfer ThresholdLNA Low Noise AmplifierLM Lockheed MartinLP Launch PadLRD Launch Readiness DateLV Launch VehicleLVT Low Voltage TransceivermA Milli AmperMAP Microwave Anisotrophy ProbeMCGT Micro-Cold Gas ThrusterMeV Mega-electron VoltsMEMS Micro Electro Mechanical SystemMGSE Mechanical Ground Support EquipmentMLI Multi-Layer InsulationMMFD Multi-Mission Flight DynamicsMOPS Mission OperationsMOC Mission Operations CenterMOU/MOA Memorandum of Understanding/AgreementMPSS Mission Planning & Scheduling SystemMRT Mission Readiness TestMRD Mission Requirement DocumentNMP New Millennium ProgramNASA National Aeronautics and Space AdministrationOD Orbit DeterminationP/L PayloadPAF Payload Attach FittingPLF Payload FairingPPL Primary PayloadPPM Parts Per Million

ST5 PDR June 19-20, 2001A-5

GSFC

ST5 PDR Acronyms List PROM Programmable Read Only MemoryPSD Power Spectral DensityPSE Power System ElectricPTFE PoloyTetraflouro EthyleneQM Qualification Model RE Radiated EmissionsRF Radio FrequencyRFAs Request for ActionRFGSE Radio Frequency Ground Support EquipmentRx ReceiveRS Radiated SusceptibilityRT Real-TimeRTOS Real-Time Operating SystemS/A Solar ArraySAC Supplier Assurance ContractorSAI Swales AerospaceSBIRS (GEO) Space Based Infrared SensorS/C Spacecraft SCR System Concept ReviewSDRAM Set-up Dynamic Random Access MemorySEL Single Event LatchupSERS Spacecraft emergency response systemSEU Single Event UpsetSEW Science Event WarningsSMA Sub-miniature AssemblySMEX Small ExplorerSOI Space Operations InternationalSOW Statement of WorkSPL Secondary PayloadSPO Space Program Office (AirForce Division)SPS Secondary Payload Structure

ST5 PDR June 19-20, 2001A-6

GSFC

ST5 PDR Acronyms List ST5 Space Technology 5STOL System Test and Operation LanguageT-O Time=Zero (Lift-off terminology)T&E Test & EvaluationTBR To Be ResolvedTC Test ConductorTCP/IP Telecommunications Protocol/Internet ProtocolTCE Thermal Control ElectronicsTCS Thermal Control System TM TelemetryTRL Technology Readiness LevelTx transmitterUARTs User Assigned Remote TerminalsUHF Ultra high Frequency Satellite ProgramVCDUs Virtual Channel Data UnitsVCO Voltage Control OscillatorVAR-E Variable EmittanceVEC Variable Emittance ControlVP Validation PhaseWBGF WideBand Gap FillerWS WorkstationYSI Yellow Springs Incorporated