SMART Jargon

• .smp: SMART Project, the file extension for SMART Project Files
• 2MASS: Two-Micron All-Sky Survey
• AAAS: American Association for the Advancement of Science
• AAR: Auto Analysis Result
• AAS: American Astronomical Society
• Accum: Accumulator
• ACK: Acknowledge
• ACPM: Attitude Control Performance Monitor
• ACS: Attitude Control System
• ACT: Automated Command Tracker
• ACWP: Actual Cost of Work Performed
• AD: Aperture Door
• ADC: Analog to Digital Converter
• ADD: Algorithm Description Document
• ADM: Aperture Door Mechanism
• ADO: Aperture Door Opening
• ADP: Astrophysics Data Program
• AEDC: Arnold Engineering Development Center
• AGN: Active Galactic Nuclei
• AI: Action Item
• AIL: Active Item List
• AIM: Applied Innovation Management
• AIRE AOR/IER: Interpreter and Resource Estimator
• AIS: Automated Information Security
• AKPM: Attitude Knowledge Performance Monitor
• ALSF: Anomalously Large Solar Flare
• AMMOS: Advanced Multi-Mission Operations system
• ANSI: American National Standards Institute
• AO: Announcement of Opportunity
• AOE: Astronomical Optical Efficience
• AOR: Astronomical Observation Request
• AOS: After Acquisition of Signal
• AOT: Astronomical Observation Template
• APID: Application Process Identifier
• AR: Anomaly Report
• AR: Archival Research
• ARB: Anomaly Resolution Boards
• ARC: (NASA) Ames Research Center
• ASE: Airborne Support Equipment
• ASIST: Advanced Spacecraft Integration and System Test
• ASP: Astronomical Society of the Pacific
• ASQC: American Society for Quality Control
• AST: Autonomous Star Tracker
• ATLO: Assembly, Test and Launch Operations
• ATP: Acceptance Test Procedures
• AU: Astronomical Unit
• AWG: American Wire Gauge
• AWST: Aviation Week and Space Technology
• AXAF: Advanced X-Ray Astrophysics Facility
• B/U: Backup
• BATC: Ball Aerospace and Technology Corporation
• BCD: Basic Calibrated Data
• BCDL: Block Command Definition Language
• BCH: Bose-Chaudhuri-Hocquenghem (coding for telecommand CLTUs)
• BCWP: Budgeted Cost of Work Performed
• BCWS: Budgeted Cost Work Scheduled
• BER: Bit Error Rate
• BIB: Blocked Impurity Band
• BIC: Baseline Instrument Campaign
• BL F/T: Base Line Functional Test
• BLAF: Base Line Ambient Functional Test
• BLF: Best Lock Frequency
• BNA: Boeing North America
• BOA: Beginning of Activity
• BOT: Beginning of Track
• BPS: Ball Process Standard
• BQD: Browse Quality Data
• BRDF: Bidirectional Reflectance Distribution Function
• BSC: Battery Simulation Console
• BVRs: Block V Receivers
• BWG: Beam Wave Guide
• C: Centigrade
• C&DH: Command and Data Handling
• CA: Cold Assembly
• CAA: Committee on Astronomy and Astrophysics
• CAS: Cold Assembly Simulator
• CAT: Customer Adaptation Team
• CATNAP: Command And Telemetry 'N Also Parameters
• CCAM: Contamination and Collision Avoidance Maneuver
• CCAS: Cape Canaveral Air Station
• CCB: Change Control Board
• CCL: Channel Conversion Language
• CCP: Contamination Control Plan
• CCR: Configuration Change Request
• CCSDS: Consultative Committee for Space Data Syst
• CCT: Command and Control Trailer
• CCU: Charge Control Unit
• CD: Command Dictionary
• CDE: Cognizant Development Engineering
• CDHU: Command and Data Handling Unit
• CDIF: Command and Data Interface Unit
• CDL: Command Definitions Language
• CDMU: CTA Driver Multiplexer Unit
• CDR: Central Data Recorder
• CDR: Critical Design Review
• CDSCC: Canberra Deep Space Communications Complex
• CE: Combined Electronics
• CG: Center of Gravity
• CIA: Cold Instrument Assembly
• CIDS: Critical Item Development Specification
• CIO: Channelized Input/Output
• CIP: Compression Information Packet (per CCSDS)
• CLAES: Cryogenic Limb Array Etalon Spectrometer
• CLFP: Component Level Fault Protection
• CLT: Channel Length Table
• CLTS: Close Loop Test Simulator
• CLTU: Command Link Transmission Unit
• CM: Configuration Management
• CM/DM: Config Management/Data management
• Cmd: Command
• CMIC: C&DH Module Interface Card
• COBE: Cosmic Background Explorer
• CP: Coupler
• CP: Call for Proposals
• CPE: Certified Product Engineer
• CPM: Communications Performance Monitor
• CPT: Channel Parameter Table
• CPT: Contamination Product Team
• CPU: Central Processing Unit
• CPV: Common Pressure Vessel
• CRC: Cyclic Redundancy Check
• CREI: Contract with Educational Institution
• CSCI: Computer Software Configuration Item
• CSMM: Cryogenic Scanning Mirror Mechanism
• CSMM: Cryogenic Scan Mirror Mechanism
• CSOC: Consolidated Space Operations Contract
• CSTA: California Science Teachers Association
• CTA: Cryogenic-Telescope Assembly
• CTD: Command Telemetry Dictionary
• CTF: Community Task Force
• CTR: Contractor
• CTT: Compatibility Test Trailer
• CU: Cornell University
• CVZ: Continous Viewing Zone
• CXO: Chandra X-ray Observatory
• CY: Calendar Year
• D/L: Downlink
• DAC: Digital to Analog Converter
• DAT: Data Analysis Tool
• Db: database
• DBMS: Data Base Management System
• DC: Direct Current
• DCE: Dust Cover Eject
• DCE: Data Collection Event
• DCMC: Defense Contract Management Command
• DCR: Design Certification Review
• DCS: Double Correlated Sampling
• DDT: Director's Discretionary Time
• DED: Direct Engineering Data
• Desat: Desaturation (Manuever)
• DIRBE: Diffused Infrared Background Experiment
• DKF: DSN Keywords File
• DL: Downlink
• DLLE: Downlink Loss Executive
• Dlvr: Deliver
• DMD: Data Monitor and Display Subsystem
• DMR: Detailed Mission Requirements
• DMT: Data Management Team
• DN: Data Number
• DO: Director's Office
• DOM: Distributed Object Manager
• DPA: Destructive Physical Analysis
• DPT: Downlink Priority Tables
• DQA: Data Quality Analysis
• DR: Design Review
• DRAM: Dynamic Random Access Memory Drvr Driver
• DSCC: Deep Space Communication Complexes
• DSIT: Data Support Integration Team
• DSMS: Deep Space Mission System
• DSN: Deep Space Network
• DSN: Ops DSN Operations
• DSOC: Deep Space Operations Complex
• DSOT: Data System Operations Team
• DSP: Digital Signal Processors
• DSS: Deep Space Station
• DTO: Digital Test Objectives
• DWG: DrawingE-2-E End to End
• EA: Environmental Assessment
• EAA: Enterprise Associate Administrator
• EBL: Extraglactic Background Light
• ECD: Estimated Completion Date
• ECPS: Engine Change Proposal
• ECR: Engineering Change Request
• ECR/WR: Engineering Change Request/Waiver Request
• ECSV: Encapsulated Comma Separated Value
• EdCats: Education Catalog (NASA Database)
• EDU: Engineering Development Unit
• E-E: End to End
• EED: Electro-Explosive Device
• EEE: Electrical,Electronic, & Electromechanical
• EEIS: End-to-End Information System
• EEPROM: Electrically Erasable Programmable Memory
• EGSE: Electrical Ground Support Equipment
• EIRR: External Independent Readiness Reviews
• ELV: Expendable Launch Vehicle
• EM: Engineering Model (CTA, LMM)
• EMC: Electro-Magnetic Compatibility
• EMI: Electro-Magnetic Interference
• EMIC: EPS Module I/F Card
• EMS: EMS Technologies, a company name
• EMU: Engineering Model Unit
• EOA: End of Activity
• EOF: End of File
• EOL: End of Life
• EOM: End of Mission
• EO's: Engineer Order
• EOT: Engineering Operations Template
• EPO: Education and Public Outreach
• EPS: Electrical Power System
• ERD: Edited Raw Data
• ERO: Early Release Observation
• ERT: Earth Receive Time
• ESD: Electro-Static Discharge
• ESMCR: Eastern Space & Missile Center Regulation
• ET: End Time
• ETE: End to End
• ETU: Engineering Test Unit
• EU: Expander Unit or Engineering Unit
• EV: Earn Value
• EVA: Extra-Vehicular Activity
• EVR: Event Report
• EVS: Earned Value System
• EW: Equivalent Width
• EWR: Eastern Western Range
• Exec: Executive
• F/T: Functional Test
• FCT: Flight Control Team
• FDDI: Fiber Distributed Data Interface
• FDIR: Fault Detection, Isolation, and Recovery
• FDS: Facility Data System
• FDSIVP: Facility Data System Integration and Verification Plan
• FDSn: Flight Data System verification phase n
• FE: Facility Engineer(ing)
• FEI: File Exchange Interface
• FEM: Finite Element Model
• FEO: Flight Engineering Office
• FES: Flight Engineering Support
• FGICD: Flight/Ground Interface Control Document
• FHT: Fault History Table
• FIRST: Focal plane Instruments and Requirements Science Team
• FITS: Flexible Image Transport System
• FLS: First Look Survey
• FLT: Flight
• FLWO: Fred Lawrence Whipple Observatory
• FM: Flight Model
• FMEA: Failure Mode Effects Analyses
• FMECA: Failure Mode Effects and Criticality Analysis
• FOC Flight Operations Center
• FODB: Flight Ops Database
• FONSI: Funding of No Significant Impact
• FOS: Flight Operations System
• FOT: Flight Operations Team
• FOV: Field Of View
• FP: Fabry Perot
• FP: Fault Protection
• FP&C: Fine Pointing and Contol Mode
• FPA: Focal Plane Array (IRAC)
• FPA's: Focal Plane Assembly (MIPS)
• FPC: Flight Processor Card
• FPDD: Fault Protection Description Document
• FPGA: Field Programmable Gate Array
• FPMA: Focal Plane Mount Assemblies (IRS)
• FPRD: Fault Protection Requirements Document
• FQT: Formal Qualification Test
• FR&C: Flight Rules and Constraints
• FRCD: Flight Rules and Constraints Document
• FRD: Facility Requirements Document
• FRR: Flight Readiness Review
• FS: Facility Scientist
• FSRR: Facility System Requirements Review
• FSS: Flight Support System
• FSW: Flight Software
• FTA: Fault Tree Analysis
• FTE: Full Time Equivalent
• FULDL: Fast Uplink Downlink
• FWHM: Full width at half-maximum
• G&MO: Ground & Mission Operations
• G-al: Gamma Alumina
• GCF: Ground Communications Facility
• GCR: Galactic Cosmic Ray
• GDS: Ground Data System
• GDSCC: Goldstone Deep Space Communications Complex
• Ge:Ga: Gallium-dopped Germanium
• Ghe: Gaseous Helium
• GIDEP: Government Industry Data Exchange Program
• GLL: Galileo Project
• GN2: Gaseous Nitrogen
• Gnd: Ground
• GO: General Observer
• GOWG: Ground Operations Working Group
• GPMC: Governing Program Management Council
• GPR: Global Position Reference
• GR: Girth Ring
• GRO: Gamma Ray Observatory
• GRT: Germanium Resistance Transducer
• GS: Ground Segment/System
• GSE: Ground Support Equipment
• GSFC: Goddard Space Flight Center
• GTD: General Theory of Diffraction
• GTO: Guaranteed Time Observer h hours
• GUI: Graphical User Interface, the result of combining a number of widgets plus application specific processing
• H/S: Health & Status
• H/W: Hardware
• HB: Heartbeat
• HBK: Hartebeesthoek
• HCD: Hardware Command Decoder
• HDF: Hubble Deep Field
• HDW: Hardware He Helium
• HEF: High Efficiency Feed
• HEO: High Earth Orbit
• HEPA: High Efficiency Particulate
• HGA: High-Gain Antenna
• HK: Housekeeping
• HKPS: Housekeeping DC to DC Converter
• HLFP: High Level Fault Protection Hlth Health
• HPIV: High Presure Isolation Valve
• HPLV: High Pressure Latch Valve
• HQ: (NASA) Head Quarters
• HST: Hubble Space Telescope
• Htr: Heater
• HW: Hardware
• Hz: Hertz
• I: Current
• I&T: Integration & Test
• I/F: Interface
• IAU: International Astronomical Union
• IC: Integrated Circuit
• ICC: Instrument Command and Control
• ICD: Interface Control Document
• IDL: Interactive Data Language, is a data analysis software package developed by Research Systems Inc. IDL forms the basis of SMART
• IER: Instrument Engineering Request
• IICD: Internal Interface Control Document
• (CTA)IMCT: Integration Mission Control Team
• IMF: Initial Mass Function
• IMIC: Integrated Multiple Instrument Chamber
• IMPST: Integrated Mission Planning and Sequencing/Scheduling Team
• InSb: Indium Antimonide
• IO: Input Output
• IO/OS: Input-Output/Operating System
• IOC: In Orbit Checkout
• IOC&SV: In Orbit Checkout & Science Verification
• IPAC: Infrared Processing and Analysis Center, Caltech/JPL, Pasadena, CA.
• IPF: Instrument Pointing Frame
• IPO: Input Process Output
• IPT: Integrated Product Team
• IR: Infrared
• IRAC: InfraRed Array Camera
• IRAS: Infrared Astronomical Satellite
• IRD: Interface Requirements Document
• IRR: Integration Readiness Review
• IRS: InfraRed Spectrograph
• IRT: Independent Review Team
• IRU: Inertial Reference Unit
• IS: Information System(s) or Information Security
• ISO: Infrared Space Observatory
• ISM: Interstellar Medium
• ISO: Infrared Space Observatory
• ISR: Interrupt Service Request
• IST: Instrument Support Team
• IT: Information Technology
• IT: Instrument Team
• ITAR: International Traffic in Arms Regulations
• ITEA: International Technology Education Association
• IV&V: Independent Verification and Validation
• IVCS: Inner Vapor Cooled Shield
• IWT: Intergroup (or Inter-company) Work Transfer
• J-box: Junction Box
• JPL: Jet Propulsion Laboratory
• KAO: Kuiper Airborne Observatory
• kg: Kilogram
• KPNO: Kitt Peak National Observatory
• KSC: Kennedy Space Center
• L: Launch
• LAN: Local Area Network
• LBTC: Low Background Test Cryostat (MIPS)
• LegSci: Legacy Science
• LET: Linear Energy Transfer
• LF: Long Form
• LFF: Long Form Functional
• LGA: Low-Gain Antenna
• LH: Long-High
• LHE: Liquid Helium
• LL: Long-Low
• L-L: Long-Low
• LM: Launch Mode
• LM: Lockheed Martin
• LMA: Lockheed Martin Astronautics (now LMSSC-AO)
• LMAO: Name of a company
• LME: Launch Mode Executive
• LMSS: Lockheed Martin Space Systems
• LMSSC: Lockheed Martin Space Systems Company
• LMTO: Lockheed Martin Technical Operations
• LOC: Lines of Code
• LOS: Loss of Signal
• LOX: Liquid Oxygen
• LPIV: Low Pressure Isolation Valve
• LPLV: Low Pressure Latch Valve
• LPR: Local Position Reference
• LRD: Launch Readiness Date
• LRP: Long Range Planning
• LRR: Launch Readiness Review
• LSB: Least Significant Bit
• LSSP: Launch Site Support Plan
• LST: Legacy Science Team
• LTM: Load Transformation Matrix
• LTV: Low Thrust Vent
• LV: Launch Vehicle
• LVLRR: Launch Vehicle Launch Readiness Review
• M&P: Materials and Process
• M&PD: Mission & Payload Development Division
• M01: Mars '01
• MA: Masters of Arts
• MACHO: Massive Compact Halo Object
• MAM: Mission Assurance Manager
• MAP: Mission Assurance Plan
• Mbps: Megabit per second
• MC: Mission Critical
• MCE: Mission Critical Events
• MCO: Mars Climate Orbiter
• MCPM: Momentum Control Performance Monitor
• MCS: Magnetic Current Sensor
• MDIRD: Mission Data Interface Requirements Document
• MDM: a type of connector
• MDO: Mission Design and Operations
• MDR: Mission Dress Rehearsal
• MDR: Material Discrepancy Report
• MDSCC: Madrid Deep Space Communications Complex
• MECO: Main Engine Cutoff
• MG: Mass Gauge heater
• MGDS: Multi-Mission Ground Data System
• MIC: Multiple Instrument Chamber
• MIL: Military
• Mil-Std: Military Standard
• MIO: Master Input/Output Card
• MIPL: Multimission Image Processing System
• MIPS: Multiband Imaging Photometer for SIRTF
• MIUL: Materials Item Usage Agreement
• MIWG: Mission Integration Working Group
• MLI: Multi Layer Insulation
• MMC: Mass Memory Card
• MMNAV: Multi-Mission Navigation
• MMNT: Multi-Mission Navigation Team
• MMOC: Multimission Operations Center
• MMSO: Multi-Mission Support Office
• MO&DA: Mission Operations and Data Analysis
• MOC: Mission Operations Center
• MODB: Mission Operations Database
• Moog: Name of the company supplying the RCS

• MOS: Mission Operations System
• MOSS: Moving Object Support System
• MOU: Memorandum of Understanding
• MP: Mission Planning
• MPE: Max Planck Institute, Garching, Germany
• MPS: Multiple Program Support
• MPSP: Mission Pre-launch Safety Package
• MRB: Material Review Boards
• MRR: Mission Requirements Request
• MSA: Mission Support Area
• MSAS: Multimission Spacecraft Analysis Subsystem
• MSB: Most Significant Bit
• MSD: Mission System Design
• MSFC: Marshall Space Flight Center
• MSPSP: Missile System Prelaunch Safety Package
• MSR2: Mission Success Review 2
• MST: Mission Sequence Team
• MSTAs: Mission Services Training Activities
• MT: Management Team
• MU: Make-up heater
• MUA: Material Usage Agreement
• Mux: Multiplexer
• MVCS: Middle Vapor-Cooled Shield
• N/A: Not Applicable
• NAIF: Navigation Ancillary Information Facility
• NAK: Not Acknowledge
• NAR: Non-Advocate Review
• NASA: National Aeronautics and Space Administration
• NASCOM: NASA Communications Network
• NAV: Navigation
• NCF: Navigation Computing Facility
• NCP: Network Consolidation Project
• NCU: Not Currently Used
• NCTM: National Council of Teachers of Mathematics
• NDI: Now Destructive Inspection
• NEP: Noise Equivalent Power
• NEPA: National Environmental Policy Act
• NF: Notch Filter
• NHB: Nasa Handbook
• NICMOS: Near Infrared Camera & Multi-Object Spectrometer
• NiH2: Nickel-Hydrogen
• NOA: New Obligational Authority
• NOCC: Network Operations Control Center
• NOCC-RT: Network Operations Control Center - Real Time Monitoring Tool
• NOP: Network Operations Plan
• NOPE: Network Operations
• NPG: NASA Procedures and Guidelines
• NRA: NASA Research Announcement
• NRZL: Non Return to Zero Low
• NSF: National Science Foundation
• NSP: Network Simplification Project
• NSPARS: Non-Standard Part Approval Request
• NSTA: National Science Teacher's Association
• NSTD: Non-Standard
• NVR: Nonvolatile Residue
• OASPL: Overall Sound Pressure Level
• Obj: Object
• OBLAF: Observatory Baseline Ambient Functional
• Obs: Observatory
• OD: Orbit Determination
• OET: Observatory Engineering Team
• OFP: Observatory Fault Protection
• OIA: Operational Interface Agreements
• OIT: Observatory Integration and Test
• Ops: Operations
• OPST: Observatory Planning & Scheduling Team
• OPZ: Operational Pointing Zone
• OR: Ordinary Solar Flare
• ORR: Observatory Requirements Review
• ORR: Operational Readiness Review
• ORT: Operational Readiness Test
• OS: Observer Support
• OSC: Office of Space Communications
• OSCAR: Optical System Cryogenic Alignment Reference
• OSE: Observatory System Engineering
• OSEIT: Observatory System Engineering, Integration & Test
• OSG: Outer Shell Group
• OSHA: Occupational Safety & Health Administration
• OSMS: Office of Safety Mission Success
• OSS: Office of Space Science
• OSSA: Office of Space Science and Applications
• OST: Observer Support Team
• OSTL: Operations Software Test Lab
• OVCS: Outer Vapor-Cooled Shield
• OVRD: Observatory Verification Requirements Document
• OWLT: One-Way Light Time
• P: Pressure
• P/FR: Problem/Failure Report
• PA: Product Assurance
• PACS: Pointing and Attitude Control System
• PAE: Payload Adapter Extension
• PAF: Payload Attach Fitting
• PAFB: Patrick Air Force Base
• PAO: Public Affairs Office
• PAR: Prime Archival Research
• PCA: Program Commitment Agreement
• PCB: Parts Control Board
• PCPM: Pointing Control Performance Monitor
• PCRS: Pointing Calibration & Reference Sensor
• PCS: Pointing Control Subsystem
• PCS: Pointing Control System
• PDB: Parameter Data Base
• PDC: Power Distribution Cards
• PDDU: Power Distribution & Driver Unit
• PDDU: Power Distribution and Drive Unit
• PDF: Page Definition Format
• PDP: Project Documentation Plan
• PDR: Preliminary Design Review
• PDU: Previous Design Unorthodoxy
• PEF: Predicted Events File
• PEQA: Project Engineering Quality Assurance
• PFR: Problem-Failure Report
• PG&D: Power Generation & Distribution
• PH/SR: Photometry/Super-resolution
• PI: Principal Investigator
• PICD: Observatory Performance and Interface Control Document
• PIND: Part Impact Noise Detection
• PIU: Pyro Initiator Unit
• PLAR: Post Launch Advocate Review
• PLF: Payload Fairing
• PLP: Project Leadership Process
• PLSA: Project Level Supporting Agreement
• PM: Performance Monitor
• PMA: Primary Mirror Assembly
• PMC: Program Management Council
• PMS: Performance Measurement System
• PNAR: Preliminary Non-Advocate Review
• PO: Pipeline Ops
• POA: Period of Activity
• POC: Proof of Concept
• POP: Program Operating Plan
• PORR: Preliminary Observatory Requirements Review
• PPD: Protoplanetary and Planetary Debris
• PPDDP: Protoplanetary and Planetary Debris Disks Program
• PPIC: Payload and PCS Interface Card
• PR/TSA: Project Requirements/TMOD Support Agreement
• PRA: Probabilistic Risk AssessmentPres Pressure
• PRI: Pointing Ready Indicator
• PROM: Programmable Read Only Memory
• PRZ: Pointing Recovery Zone
• PS: Power Supply
• PSA: Part Stress Analysis
• PSBA: Photon Shutter Blade Assembly (CTA)
• PSD: Power Spectral Density
• PSDA: Photon Shutter Drive Assembly
• PSF: Point Spread Function
• PSLA: Project Service Level Agreement
• PSM: Photon Shutter Mechanism
• PSR: Pre-Ship Review
• PV: Performance Verification
• PVDC: Prop Valve Driver Card
• PWB's: Printed wiring boards
• QA: Quality Assurance
• QAE: Quality Assurance Engineer
• QC: Quality Check
• QCI: Quality Conformance Inspection
• QQC: Quality, Quantity, and Continuity
• QWI: Quality Work Instruction
• RAD: Resistor and Diode
• RAD: Box Resistor and Diode Box
• RAL: Rutherford Appleton Laboratory, England
• RAM: Random Access Memory
• RBA: Resistor Board Assembly
• RCS: Reaction Control System/Subsystem
• RD: Requirements Document
• RDM: Requirements Development Manager
• REC/DELs: Receivable/Deliverable
• Resosc: a company name
• RF: Radio Frequency
• RFA: Request for Action
• RFC: Radio Frequency Console
• RFP: Request for Proposal
• RGEA: Rate Gyro Electronics Assembly
• RMS: Root Mean Square
• ROC: Reserved Observation Catalog
• RPC: Remote Power Controller
• RPE: Responsible Product Engineer
• RR: Readiness Review
• RSOE: Realtime Sequence of Events
• RT: Realtime
• RTD: Resistance Temperature Device
• RTR: Router
• RTTCs: Regional Technology Transfer Centers
• RW: Reaction Wheel
• RWA: Reaction Wheel Assembly
• Rx: Receive
• S&A: Safe and Arm
• S&MO: Science & Mission Operations
• S/A: Solar/Array
• S/C: Spacecraft
• S/W: SoftwareSA Solar Array
• SA: Stand Alone
• SAM: Structures and Mechanisms
• SAO: Smithsonian Astrophysical Observatory
• SAS: Solar Array Simulator
• SASF: Spacecraft Activity Sequence File
• SATF: Spacecraft Activity Type File
• SBRC: Santa Barbara Research Corporation
• SC: Spacecraft
• SCA: Sensor Chip Assembly
• SCD: Source Control Documents
• SCET: Spacecraft Event Time
• SCI: Slew Complete Indicator
• SCLK: Spacecraft Clock
• SCLKSCET: Spacecraft Clock / Spacecraft Event Time
• SCMF: Spacecraft Message File
• SCP: Single Conductor Power Cable
• SCR: Software Change Requests
• SCS: Single Conductor Signal Cable
• SDM: Science Data Management
• SDP: Software Development Plan
• SDRAM: Synchronous Dynamic Random Access Memory
• SDSS: Sloan Digital Sky survey
• SDST: Small Deep Space Transponder
• SDT: System Design Team
• SE: System Engineer
• SE&C: System Engineering & Coordination
• SEB: Single Event Burnout
• SECO: Second Engine Cutoff
• SED: Special Engineering Data
• SED: Spectral Energy Distribution
• SEE: Single Event Effects
• SEIT: System Engineering Integration and Test
• SEL: Single Event Latchup
• SEP: Single Event Phenomenon
• SEQGEN: Sequence Generation Software
• SER: Spacecraft Engineering Request
• SER: System Engineering Report
• SEU: Single Event UpsetSF Short Form
• SF1: Short Form 1 Test
• SFF: Short Form Functional
• SFHe: Super Fluid Helium
• SFOICD: Space/Flight Operations Interface Control Document
• SH: Short-High
• SI: Science Instrument
• Si:As: Arsenic-doped Silicon
• Si:Sb: Antimony-dopped Silicon
• SID: Selected Item Drawing
• SIE: Sequence Integration Engineer
• SIM: Simulation system
• SINDA: Systems Improved Numerical Differencing Analyses
• SIRPASS: SIRTF Planning and Scheduling System
• SIRTF: Space Infrared Telescope Facility
• SIS: Software Interface Specification
• SIST: Science Instrument Services Team
• SIT: System Integration and Test
• SIVT: System Integration Validation Team
• SL: Short-Low
• SLC: Space Launch Complex
• SMAD: Safety and Mission Assurance Directorate
• SMART: Spectroscopy Modeling, Analysis, and Reduction Tool
• SMS: Structure and Mechanics Subsystem
• SO: Science Operations SOC State of Charge
• SODB: Science Operations Database
• SOE: Sequence of Events
• SOFIA: Stratospheric Observatory for InfraRed Astronomy
• SOM: SIRTF Observer's Manual
• SOMO: Space Operations Management Office
• SOS: Science Operations System
• SOW: Statement of Work
• SOWG: Science Operations Working Group
• SPAS: Spacecraft Performance and Analysis Software
• SPDB: Science Planning Database
• SPE: Static Phase Error
• SPF: Single Point Failure
• SPICE: Spacecraft, Pointing, Instrument, Calibration, Engineering Files
• SPO: SIRTF Project Office
• SPOT: SIRTF Planning Observations Tool
• SPR: Software Problem Report
• SPS: Selected Process Specification
• SQA: Software Quality Assurance
• SR: Sweep Range
• SRAM: Static Random Access Memory
• SRD: Science Requirements Document
• SRD: System Requirements Document
• SRM: Solid Rocket Motor
• SRON: Space Research Organization of the Neatherlands
• SRR: System Requirements Review
• SRS: Software Requirements Specification
• SSC: SIRTF Science Center
• SSCOC: SIRTF Science Center Oversight Committee
• SSE: Sequence Systems Engineer
• SSF: Spacecraft Sequence File
• SSM: Solid State Memory
• SSO: Solar System Objects/Observations
• SSPA: Solid State Power Amplifier
• SSR: Solid State Recorder
• SSRD: Spacecraft System Requirements Document
• SSS: Spinning Sun Sensor
• ST: Star Tracker
• STA: Star Tracker Assembly
• STARS: SIRTF Transfer, Archive and Retrieval System
• STD: Standard
• STE: Special Test Equipment
• STL: Software (or System) Test Laboratory
• STS: Sequence Translation Subsystem
• STSCI: Space Telescope Science Institute
• STTF: SIRTF Telescope Test Facility
• SUG: SMART User Guide
• Sup: Support
• SUR: Sample Up the Ramp
• SV: Science Verification
• SVDIF: Space Vehicle Data Interface
• SVES: Space Vehicle Environment Simulator
• SW: Software
• SW: Switch
• SWG: Science Working Group
• SWIR: Short Wavelength Infared
• T: Temperature
• T/V: Thermal Vacuum
• TA: Telescope Assembly
• TAA: Technical Assistance Agreement
• TAC: Time Allocation Committee
• TAO: Thermo-Acoustic Oscillation
• TAR: Test Anomaly Report
• TAWS: Test Anomoly Work Sheet
• TB/TV: Thermal Balance/Thermal Vacuum
• TBC: To be Confirmed
• TBD: To Be Determined
• TBR: To Be Resolved
• TBS: To Be Supplied
• TC&DM: Telemetry Command & Data Management
• TCC: Test Control Center
• TCMS: Test Control and Monitoring System
• TCO: Targeted Commercialization Office
• TCS: Thermal Control System/Subsystem
• TD: Telemetry Dictionary
• TDL: Template Definition Language
• TDS: Telemetry Data System
• TDS: Telemetry Delivery Subsystem
• TELCOM: Telecommunications Telecom Telecommunication
• TFP: Telecom Forecaster Predictor
• TID: Total Integrated Dose
• TIS: Telemetry Input System
• TL: Test Lab Tlm Telemetry
• TLYF: Test Like You Fly
• TMM: Thermal Math Model
• TMOD: Telecommunications and Mission Operations Directorate
• TMS: Telecommunications and Mission Services
• ToO: Targets of Opportunity
• TOP: Target of Opportunity
• TOT: Telemetry Output Tool
• TPS: Twisted Pair Shielded Cable
• TR: Tuning Rate
• TRASYS: Thermal Radiation Analysis System
• TRK: Tracking date
• TRR: Test Readiness Review
• T-S: Trouble Shoot
• TSF: Track Synthesizer Frequency
• TST: TMOD Support Team
• TTACS: Test Telemetry And Command System
• TV/TB: Thermal Vacuum/Thermal Balance
• Tx: Transmit
• U/D: Uplink/Downlink
• U/L: Uplink
• UA: University of Arizona
• UAI: Use As Is
• UC: User's Committee
• ULDL: Uplink Downlink
• ULIRG: Ultraluminous Infrared Galaxy
• ULLE: Uplink Loss Executive
• UR: University of Rochester
• UTC: Universal Time, Coordinated
• UVF: Unverified Failure
• V: Voltage
• V&V: Verification and Validation
• VAG: Verification Advisory Group
• VC: Virtual Channel
• VCS: Vapor-Cooled Shield
• VIT: Variable Inductance Transducer
• VIVO: Verification, Integration, Validation , and Operations
• VLA: Very Large Array
• VM: Virtual Machine
• VME: Versa Module Eurocard
• VML: Virtual Machine Language
• VOCA: Voice Net Communications System
• VPTS: Vehicle Power Transfer Switch
• VRM: Verification & Reporting Matrix
• VRR: Vehicle Readiness Review
• VT: Voltage-Temperature
• VTMT: Voltage Temperature Margin Test
• WASS: Wide Angle Sun Sensor
• WBS: Work Breakdown Structure
• WCA: Worst Case Analyses
• WE: Warm Electronics
• WEA: Warm Electronics Assembly
• WF/PC2: Wide Field Planetary Camera-2
• WFE: Wavelength Front Error (CTA)
• WI: Weather Index
• WIRE: Wide Field Infrared Explorer
• WR: Waiver Requests
• WTS: Waveguide Transfer Switch
• YAAAR: "Yet Another AAR"; a more generic, flexible AAR-like IDL data structure