GLAST/LAT > DAQ and FSW > FSW

LAT FSW (and related) Glossary


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1553 link

    MIL-STD-1553 Bus -- military standard interface bus; used between spacecraft and LAT

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ACD  link

    Anti-Coincidence Detector -- The LAT Anti-Coincidence Detector subsystem
ADC
    Analog-to-Digital Converter
ACE (experiment) link
    Advanced Composition Explorer
ACS  link
    Attitude Control System
ACT  link
    Atmospheric Cherenkov Telescope
ACT+COM (experiment)
    Atmospheric Cherenkov Telescope, plus Commitments
Actuals (management)
    ACWM (Actual Cost of Work Performed)
ACWM (management)
    Actual Cost of Work Performed
ADC (hardware) link
    Analog-to-Digital Converter
Aeff (physics)
    Effective Area
AEM (hardware)
    ACD Electronics Module
AFEE (hardware)
    Analog Front-End Electronics
AGN (physics) link
    Active Galactic Nuclei
AIAA (organization) link
    American Institute of Aeronautics and Astronautics
AIM (management)
    Applied Integration Management
AIP (organization) link
    American Institute of Physics
AMANDA (experiment) link
    Antarctic Muon and Neutrino Detector Array
AMI (organization)
    American Microsystems Inc.
AMOS (experiment) link
    Air Force Maui Optical Site
AMS (experiment)
    Alpha Magnetic Spectrometer
ANSI (organization) link
    American National Standards Institute
AO (management)
    Announcement of Opportunity
AOS (organization)
    Advanced Orbiting Systems
APID (organization)
    Application Identification
APS (organization) link
    American Physical Society
ARGOS (experiment) link
    Advanced Research and Global Observations Satellite
ARR (operation)
    Automatically-generated Repoint Request
ASI (organization) link
    Italian Space Agency
ASIC (hardware)
    Application-Specific Integrated Circuit
ASP (software)
    Active Server Pages -- dynamic web server, produced by Microsoft
ASQC (organization)
    American Society for Quality Control
ASSY (hardware)
    Assembly
AstroRT (hardware) link
    Spectrum Astro Data Acquisition and Control System
A&T (hardware)
    Assembly & Test
AT (management)
    Acceptance Test
ATS (operations)
    Absolute Time Sequence
ATD (organization)
    Advanced Technology Development -- Advanced Technology Development program (NASA)
ATIC (experiment) link
    Advanced Thin Ionization Calorimeter
ATLAS (experiment)
    Atmospheric Laboratory for Application and Science
ATLAS (experiment) link
    A Toroidal Large Acceptance Spectrometer
Atlas (hardware)
    an expendable launch vehicle, used by NASA
ATT (package)
    Attitude Processing
AV (management)
    available

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BAE (organization) link

    BAE Systems
BAC (management)
    Budgeted at Completion
BAP (hardware)
    Burst Alert Processor
BCWP (management)
    Budgeted Cost of Work Performed
BCWS (management)
    Budgeted Cost of Work Scheduled
Bd (hardware)
    Board
BDC (organization)
    Backgrounds Data Center
BE (management)
    Budget Element
BEA (hardware)
    Base Electronics Assembly
BER (data processing)
    Bit Error Rate
BF (hardware)
    Base Frame
BFEM (hardware)
    Balloon Flight Engineering Model
BGO (chemistry)
    Bismuth Germinate
BIU (hardware)
    Balloon Interface Unit
BOL (management)
    Beginning of Life
Bps (data processing)
    Bits per second
BSP (hardware)
    Board Support Package
BT (physics)
    Beam Test
BTEM (hardware)
    Beam Test Engineering Model
BUD+COM (management)
    BCWS, plus Planned Commitments

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CAD (software)

    Computer-Aided Design
CAL (hardware) link
    Calorimeter -- The LAT (Hodoscopic CsI) Calorimeter; measures the energy (in calories) of a Gamma-ray event.
CAL-HI (hardware)
    Calorimeter High-energy (trigger)
CAL-LO (hardware)
    Calorimeter Low-energy (trigger)
CANGAROO (organization) link
    Collaboration between Australia and Nippon for a Gamma-Ray Observatory in the Outback
CAP (management)
    Cost Account Plan
CAPRICE (experiment) link
    Cosmic Antiparticle Ring-Imaging Cherenkov Experiment
CAPW (management)
    (Code Field Name for) CAP Work Breakdown Structure
CAT (experiment) link
    Cherenkov Array at Themis (France)
CBIO (package)
    CallBack I/O
C-C (chemistry)
    Carbon Composite
CCHP (hardware)
    Constant Conductance Heat Pipes
CCB (organization)
    Configuration Control Board
CCB (organization)
    Change Control Board
CCSDS link
    Consultative Committee for Space Data Systems -- A Spacecraft Packet Telecommand Standard approved by the Consultative Committee for Space Data Systems
CCSDS Packet (data processing, standard)
    A spacecraft packet telecommunication packet standard, approved by the CCSDS
CCSDS (package)
    CCSDS packets
CD (hardware, standard)
    Compact Disc
CDE (hardware)
    Crystal Detector Element
CDF (experiment) link
    Collider Detector at Fermilab
C&DH (hardware)
    Command and Data Handling (subsystem)
CDM (hardware)
    Configuration and Data Management
CDM (package)
    Configuration Database Manager
CDR (management)
    Critical Design Review
CDRL (management)
    Contract Data Requirements List
CEA (organization) link
    Commissariat a l'Energie Atomique (France)
CENBG (organization) link
    Centre d'etudes Nucleaires de Bordeaux Gradignan (France)
CERN (organization) link
    Centre European pour la Recherche Nucleaire -- European Laboratory for Particle Physics
CFC (chemistry)
    Carbon-Fiber Composite
CFC (chemistry)
    Chlorinated Fluorocarbon
CGRO (experiment) link
    Compton Gamma Ray Observatory
CHeX (experiment) link
    Confined Helium Experiment
CIDL (management)
    Configuration Item Data List
CIL (management)
    Critical Items List
CLA (management)
    Coupled Loads Analysis
CLI (package)
    Command-Line Interface
CLUL (physics)
    Confidence Level Upper Limit
CM (management)
    Configuration Management
CM (physics)
    Center of Mass
CMOS (hardware)
    Complementary Metal Oxide Semiconductor
CMT (software) link
    Configuration Management Tool
CMX (package) CNO (physics)
    Carbon-Nitrogen-Oxygen
CNRS (organization) link
    Centre National de Recherche Scientifique (France)
COS-B (experiment) link
    European Gamma-ray Astronomy Satellite
COTS (management)
    Commercial Off-the-Shelf
cPCI (hardware)
    Compact PCI (backplane)
CPI (management)
    Const. Performance Index
CPN (management)
    Code Field Name for Work Packages
CPR (management)
    Cost Performance Report
CPU (hardware)
    Central Processing Unit
C.R. (physics)
    Cosmic Ray
CR (document type)
    Contract/Procurement Record
CR (science)
    Cosmic Ray
CRU (hardware)
    Command/Response Unit
CsI (Tl) (chemistry)
    Cesium Iodide crystal, doped with Thallium
CSOC (organization)
    Consolidated Space Operations Center
CSSR (management)
    Cost/Schedule Status Reports
CSTA (organization) link
    California Science Teachers Association
CTDB (hardware)
    Command and Telemetry Data Bus
CTDB (package)
    Command and Telemetry Data Bus
CTE (physics)
    Coefficient of Thermal Expansion
CTS (software)
    Command and Telemetry Simulator
CTS (package)
    Command and Telemetry Service
CTV (operations)
    Compatability Test Van
CU
    Calibration Unit
CVS (software)
    Concurrent Versions System
CVS (management)
    Cost Variance
CY (management)
    Calendar Year

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DAB (package)

    Data Acquisition Board
DAC (hardware)
    Digital to Analog Converter
DAPNIA (organization)
    Departement d'Astrophysique, de Physique des particules, de physique Nucleaire, et de l'Instrumentation Associee
DAQ (hardware)
    Data Acquisition System
DAQ link
    LAT Electronics, Data Acquisition, and Flight Software Subsystem
DAQ (project)
    Data Acquisition System software
DAS
    Demand Access Service
DB (software)
    Data Base
DC (hardware)
    Direct Current
DEM (package)
    Detector Electronics Module
DESY (organization)
    Deutsches Electron Synchrotron laboratory (Germany)
DM (management)
    Development Model
DMILL
    Durci Mixte Isolant Logico Lineaire
DOD (organization) link
    Department of Defense
DOE (organization) link
    Department of Energy
DOF (physics)
    Degrees of Freedom
DOORS (software) link
    Dynamic Object-Oriented Requirements System
DOWD (physics)
    Differenced One-Way Doppler
DPD (hardware)
    Dual PIN PhotoDiode
dPDR (management)
    Delta Preliminary Design Review
DPF (operations)
    Data Processing Facility
DRAM (hardware)
    Dynamic Random-Access Memory
DRB (management)
    Design Review Board
DRL (management)
    Data Requirements List
DRT (management)
    Design Review Team
DS (document type)
    Design/Drawing (Build To Specification)
DSF (hardware) DSM  link
    Direction des Sciences de la Matiere
DSP (hardware)
    Digital Signal Processor

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E (physics)

    Energy
EAC (management)
    Estimate at Completion
EAF (organization)
    European Analysis Facility
EB (hardware)
    Event Builder
EBM (hardware)
    Event Builder Module
ECR (management)
    Engineering Change Request
EDAQ (management)
    LAT Electronics, Data Acquisition, and Flight Software Subsystem
ED&I (management)
    Engineering Design and Integration
EDS (package)
    Event Delivery Service
EEE
    Electrical, Electronic, and Electromechanical
EEPROM (hardware)
    Electrically Erasable Programmable Read Only Memory
EFC (package)
    Event Filter Code
EGRET (experiment) link
    Energetic Gamma Ray Experiment Telescope (on CGRO)
EGS (physics)
    Electron Gamma Shower
EGSE (hardware)
    Electrical/Electronics Ground Support Equipment
ELEC
    Electrical
ELF (package)
    ELF (binary format) dump library
ELF (software)
    Executable and Linking Format
ELX (management)
    Electronics
EM (management)
    Engineering Model
EM1 (management)
    Engineering Model 1
EM2 (management)
    Engineering Model 2 -- LAT Engineering Model 2, multiple towers
EMC (physics)
    Electromagnetic Compatibility
EMC (physics)
    Electromagnetic Calorimeter
EMC (organization)
    European Muon Collaboration
EMI (hardware)
    Electromagnetic Interference
EMP (package)
    Event Monitoring
EOL (management)
    End of Life
EP (hardware)
    Event Processor
EPO (E/PO) (management) link
    Education and Public Outreach
EPU (hardware)
    Event Processing Unit
ESA (facility)
    End Station A -- part of SLAC
ESA (organization) link
    European Space Agency
ESD
    Electrostatic Discharge
ETC (management)
    Estimate to Complete
EU (management)
    Engineering Unit
EV (management)
    Earned Value (BCWP)
EVUT (package)
    Event Utility
EWR
    Eastern and Western Range
EXPAT (package)
    EXPAT (XML parser)

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FAMM

    Full-scale ACD Mechanical Model
FAR (management)
    Federal Acquired Regulation
FAX
    Facsimile
FCDI (hardware)
    Flex-Circuit Detector Interconnect
FDF (operations)
    Flight Dynamics Facility
FEA
    Finite Element Analysis
FEE (hardware)
    Front-End Electronics
FEM
    Finite Element Model
FERC (hardware)
    Front End Readout Chip
FES (package)
    Front-End Simulator
FFP (management)
    Firm Fixed Price
FHE (hardware)
    high energy fast shaped signal path
FIFO (hardware)
    First-In, First-Out -- queue-like organization of memory
FILE (package)
    File Upload
FITS (software)
    Flexible Image Transport System
FLE (hardware)
    low energy fast shaped signal path
FM (hardware)
    Flight Module
FMA (hardware)
    Flight Module A
FMB (hardware)
    Flight Module B
FMX (package)
    File Management, eXtra
FNAL (organization) link
    Fermi National Accelerator Laboratory
FMEA link
    Failure Mode and Effects Analysis
FOM (management)
    Figure of Merit
FOT (management)
    Flight Operations Team
FOV (physics)
    Field of View
FPGA (hardware)
    Field-Programmable Gate Array
FREE (hardware)
    Front-End Electronics
FS (document type)
    Form
FSW (management)
    Flight Software
FTA (management)
    Fault Tree Analysis
FTE (management)
    Full-Time Equivalent
FTOOL (software) FU (hardware)
    Flight Unit
FUSE (experiment) link
    Far Ultraviolet Spectroscopic Explorer
FWHM (physics)
    Full Width Half Maximum
FY (management)
    Fiscal Year

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GAEM (package)

GAFE (hardware) GARC (hardware) GAS GASU (hardware)
    GAS (Global Trigger, ACD, DAQ, and SIG) Unit
Gbits (data processing)
    Gigabits
GBM (hardware)
    Gamma-ray Burst Monitor
GBM (hardware) GBM (software)
    Response to GBM data
Gbps (data processing)
    Gigabits per second
GCFE (hardware)
    GLAST Calorimeter Front-end Electronics (Analog ASIC)
GCN (organization) link
    Global Communications Network
GCN
    Gamma-ray Burst Coordinate Network
GCRC (hardware)
    GLAST Calorimeter Readout Controller (Digital ASIC)
GDAB (package)
    GLAST/LAT (test stand) Data Acquisition Board
GEM (hardware)
    Global-Trigger Electronics Module
GeV (physics)
    Giga electron Volts
GEVS (management)
    General Environmental Verification Specification
GGLT (package) GIDEP (organization) link
    Government-Industry Data Exchange Program
GIOC (organization) link
    GBM Instrument Operations Center
GITD (organization)
    GLAST Instrument Technology Development
GLAST
    Gamma-ray Large Area Space Telescope
GLT (hardware)
    Global Trigger
GN (operations)
    Ground Network
GNAT (package) GNC
    Guidance, Navigation, and Control
GNU (organization) link
    GNU's Not Unix -- The GNU Project is responsible for generating and maintaining a variety of free software.
GO (management)
    Guest Observer
GOLF (experiment) link
    Global Oscillations at Low Frequencies
GOWG (organization)
    GLAST Operations Working Group
GPS (infrastructure)
    Global Positioning System
GRAPWG (organization) link
    Gamma-Ray Astronomy Program Working Group
GRB (physics)
    Gamma Ray Burst(er)
GRIS (experiment) link
    Gamma Ray Imaging Spectrometer
GRL (package) GRO (experiment) link
    (Compton) Gamma Ray Observatory
GRT (management)
    Ground Readiness Test
GS (management)
    Ground Support
GSE (management)
    Ground Support Equipment
GSFC (organization) link
    Goddard Space Flight Center
GSI (organization) link
    Geselleschaft fur Schwerionenforschung (Germany)
GSRD (management)
    Ground System Requirements Document
GT (hardware)
    Global Trigger
GTEM (package) GTFE (hardware)
    GLAST Tracker Front-end Electronics (ASICs)
GTIC (hardware)
    GLAST Trigger Interface Controller
GTM (hardware)
    Global Trigger Module
GTRC (hardware)
    GLAST Tracker Readout Controller (digital ASIC)
GUI (software)
    Graphical User Interface

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HBCU

    Historically Black Colleges and Universities
HE (physics)
    High Energy
HEAO (experiment) link
    High Energy Astrophysics Observatory
HEASARC (organization) link
    High Energy Astrophysics Science Archive Research Center
HEO (physics)
    High Earth Orbit
HEP (physics)
    High Energy Physics
HEPA (hardware)
    High Efficiency Particulate Arresting
HEPL (organization) link
    (W.W.) Hansen Experimental Physics Laboratory (at Stanford University)
HEXTE (experiment) link
    (UCSD) High Energy X-ray Timing Experiment
HLD (hardware)
    High Level Discriminator
HI discriminator (hardware)
    A discriminator set for the high end of a range
HK (hardware)
    housekeeping
Hodoscopic (physics)
    A hodoscope is "an assembly of particle detectors used for observing the paths of cosmic rays and other particles" (so basically, any particle physics detector).
HP (organization) link
    Hewlett Packard
HPK (organization) link
    Hamamatsu Photonics K (Japan)
HSK (hardware)
    Housekeeping
HSM (hardware)
    Hierarchical Storage Manager
HST (experiment) link
    Hubble Space Telescope
HV (hardware)
    High Voltage
HVBS (hardware)
    High Voltage Bias Supply
HVPS (hardware)
    High Voltage Power Supply
HW (hardware)
    Hardware

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i845e (tag)

    build for i845e (PCI-based, Pentium IV) motherboard, running VxWorks
IA (management)
    Internal Available
IAU (organization) link
    International Astronomical Union
IC (hardware)
    Integrated Circuit
ICD (management)
    Interface Control Document
I-CDR (management)
    Instrument Critical Design Review
ICS (hardware)
    Interface and Control System
IDB (hardware)
    Instrument Data Bus
IDL (software) link
    Interactive Data Language
IDS (management)
    Interdisciplinary Scientist
IDT (management)
    Instrument Design Team
IEEE link
    Institute of Electrical and Electronics Engineers
I/F (hardware)
    Interface
IFCT (management)
    Integration, Facilities Configuration and Test
IIS
    Instrument Interface Structure
IMDC (management)
    Integrated Mission Design Center
IMM (package)
    Instrumented Memory Manager
IN
    Internal Need
IN2P3 (organization) link
    Institut National de Physique Nucleaire et de Physique des Particules
INFN (organization) link
    Instituto Nazionale Di Fisica Nucleare (Italy)
I/O (hardware)
    Input/Output
IOC (organization)
    Instrument Operations Center
IP (data processing)
    Internet Protocol
I-PDR (management)
    Instrument Preliminary Design Review
IPI (management)
    Instrument Principal Investigator
IPM (management)
    Instrument Project Manager
IPO (management)
    Instrument (LAT) Project Office
IPO
    Initial Public Offering
IPS (hardware)
    Instrument Power System
IPS (management)
    Integrated Project Schedule
IRD (management)
    Interface Requirements Document
IRF (physics)
    Instrument Response Function
IS (management)
    Instrument Scientist
ISAS (organization) link
    Institute for Space and Astronautical Science (Japan)
ISE (management)
    Instrument System Engineer
ISEE (experiment) link
    International Sun-Earth Explorer
ISET (management)
    Instrument System Engineering Team
ISIS (hardware)
    Instrument to Spacecraft Interface Simulator
ISM (physics)
    Inter-Stellar Medium
ISO (organization) link
    International Organization for Standardization
ISOC
    Instrument Science Operations Center
ISP (data processing)
    Internet Service Provider
ISS (experiment) link
    International Space Station
I&T (management)
    Integration & Test
IT (data processing)
    Information Technology
I&TM (management)
    Integration & Test Manager
ITM (management)
    Instument Technical Manager
ITOS (software) link
    Integrated Test and Operations System
IV&V (management)
    Independent Verification and Validation

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J2000 (science)

    Geocentric inertial reference frame using the Julian Epoch of Jan. 1, 2000
JGC (organization)
    Japanese GLAST Consortium
JOG (organization)
    Joint Operating Group
JON (management)
    Job Order Number
JPL (organization) link
    Jet Propulsion Laboratory
JSC (organization) link
    Johnson Space Center

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kbit (data processing)

    kilobit; 2^10 (1024) bits
Kbps (data processing)
    Kilobits per second
kbyte (data processing)
    kilobyte; 2^10 (1024) bytes
KEK (organization) link
    National Laboratory for High Energy Physics (Japan)
kg (physics)
    Kilogram
kHz (physics)
    kilohertz; 1000 Hertz
KSC (organization) link
    Kennedy Space Center
KTH (organization) link
    Royal Institute of Technology (Sweden)

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L1T (hardware)

    Level 1 Trigger
L2T (hardware)
    Level 2 Trigger
L3T (hardware)
    Level 3 Trigger
LASCO (experiment) link
    Large Angle and Spectrometric Coronagraph Experiment
LAT
    (GLAST) Large Area Telescope
LATC (package)
    LAT Configuration
LATDocs (software)
    Large Area Telescope Documentation system
LATp (data processing)
    Large Area Telescope protocol
LATTE (software)
    Large Area Telescope Test Executive
LCAT (package)
    LAT Command and Telemetry (database, etc.)
LCBD (package)
    LAT Communication Board Driver
LCI (package)
    LAT Charge Injection Calibration
LCM (package)
    LAT Computer Manager
LCP (software)
    LAT Control Program
LCS (package)
    LCB Service
LED (hardware)
    Light-Emitting Diode
LEM (package)
    LAT Electronics Module
L&EO
    Launch and Early Orbit
LEOP
    Launch and Early Orbit Phase
LFS (package)
    LAT File System
LHA
    Layer Hit Address
LHC (organization) link
    Large Hadron Collider
LHEA (organization) link
    Laboratory for High Energy Astrophysics (at NASA's GSFC)
LHK (package)
    LAT Housekeeping
LIM (package)
    LAT Instrument Manager
linux-gcc (tag)
    build for Intel/Linux "host" system, using GCC
LIOC (organization)
    LAT Instrument Operation Center
LLI (management)
    Long Leadtime Items
LLIS (software) link
    Lessons Learned Information System
LM (organization) link
    Lockheed Martin
LM-ATC (organization) link
    Lockheed-Martin Advanced Technology Center
LMC (package)
    LAT Multiplexed Counters
LMMMS (organization) link
    Lockheed Martin Missiles and Space Corporation
LO discriminator (hardware)
    a discriminator set for the low end of a range
LOC (management)
    Lines of Code
LOE (management)
    Level of Effort
LOF (management)
    LAT Operations Facility
LPA (package)
    LAT Physics Acquisition
LPNHE-X (organization)
    Laboratoire de Physique Nucleaire des Hautes Energies de l'Ecole
LR (document type)
    Correspondence Record
LRE (management)
    Latest Revised Estimate (EAC)
LRP
    Low Rate Physics
LRS (operation)
    Low Rate Science
LSM (package)
    LAT Spacecraft Messages
LTC (package)
    LAT Thermal Control
LTX (package)
    LAT Test eXecutive -- Python script which runs tests, captures output, etc.
LV (hardware)
    Low Voltage
LV (hardware)
    Launch Vehicle
LVDS (hardware)
    Low Voltage Differential Signal

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MA (operations)

    Multiple Access
MAG (management)
    Mission Assurance Guidelines
MAPMT (hardware)
    Multi-Anode Phototube Multiplier
MAR (management)
    Mission Assurance Requirements
Mbit (data processing)
    Megabit; 2^20 bits
Mbps (data processing)
    Megabits per second
Mbyte (data processing)
    Megabyte; 2^20 bytes
MC (statistics)
    Monte Carlo
M-CDR (management)
    Mission Critical Design Review
MCM (hardware)
    Multi-Chip Modules
mcp750 (tag) MD (document type)
    Management Document
MDI (hardware)
    Michelson-Doppler Imager
MECH
    Mechanical
MECO (hardware)
    Main Engine Cut-off
MEM (package)
    Memory Dump/Load
MeV (physics)
    Mega electron Volts
MGSE (hardware)
    Mechanical Ground Support Equipment
MIL
    Military
MIP (physics)
    Minimum Ionizing Particle
MLEV (management)
    Milestone Level
MLI (hardware)
    Multi-Layer Insulation
MOA (management)
    Memorandum of Agreement
MOC (management)
    Mission Operation Center
MO&DA (MODA) (management)
    Mission Operations & Data Analysis (program phase)
MON (package)
    CPU Monitor
MOR (hardware)
    Mission Operations Review
MOSIS
    Metal Oxide Semiconductor Implementation System
MOU (management)
    Memorandum of Understanding
M&S (management)
    Materials and Services
MSG (package)
    systematic error-code generator
MR (document type)
    Management Record
MTS
    MOC Training Simulator
M-PDR (management)
    Mission Preliminary Design Review
MPLS (hardware)
    Multi-Purpose Lift Sling
msec (physics)
    Milliseconds
MSFC (organization) link
    Marshall Space Flight Center
MSI&T (management)
    Mission Systems Integration Integration and Test (program phase)
MSPSP (management)
    Missile System Prelaunch Safety Package
MSS (management)
    Mission System Specification
MSSM (physics)
    Minimum Super Symmetry Model
mv2303 (tag) mv2304 (tag) MySQL (package)
    MySQL database

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NaI (chemistry)

    Sodium Iodide
NAO (organization) link
    National Astronomical Observatory (Japan)
NAR (management)
    Non Advocate Review
NAS (organization) link
    National Academy of Sciences
NASA (organization) link
    National Aeronautics and Space Administration
NCR (management)
    Nonconformance Report
NCST (organization) link
    Naval Center for Space Technology
NCTM (organization) link
    National Council of Teachers of Mathematics
ND (management)
    Need
NDE (management)
    Non-Destructive Evaluation
NDI (management)
    Non-Development Item
NEMO (experiment) link
    Naval Earth Map Observer
NFS (software, standard)
    Network File System
NIM (publication)
    Nuclear Instruments and Methods (in Physics Research)
NISN (infrastructure) link
    NASA Integrated Services Network
NORAD (organization) link
    North American Aerospace Defense Command
NPD (management)
    NASA Policy Directive
NPSL (management)
    NASA Parts Selection List
NRL (organization) link
    Naval Research Laboratory
NSBF (organization) link
    National Scientific Balloon Facility
NSF (organization) link
    National Science Foundation
NSTA (organization) link
    National Science Teachers Association

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OB (science)

    An OB association is a group of stars of spectral types O and B that are close together.
OBS (management)
    Organizational Breakdown Structure
OCS (package)
    Online Command Server
OD
    Outer Diameter
ODBC (software, standard)
    Open Data Base Connectivity
OES (package)
    Online Event Server -- port of I&T evtSvr to flight software
OHP (management)
    Operational Health Physics
OM (management)
    Operations Model
OMEI (management)
    Other Minority Educational Institutions
ORR (management)
    Operation Readiness Review
ORU (management)
    Organized Research Units
OSHA (organization) link
    Occupational Safety and Health Administration
OSS (organization) link
    (NASA) Office of Space Science
OSSE (experiment) link
    Oriented Scintillation Spectrometer Experiment (on CGRO)
OTL (organization) link
    (Stanford) Office of Technology Licensing

0-9 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


PAF (hardware)

    Payload Attach Fitting
PAIP (management)
    Performance Assurance Implementation Plan
PAM (management)
    Performance Assurance Manager
PAN (chemistry)
    Polyacrilonitrile
PAPL (management)
    Program Approved Parts List
PA&S (management)
    Performance Assurance and Safety
PAT
    Pointing Accuracy per Tray
PB (document type)
    Publication
PBC (package)
    Primary Boot Code
PBI (package)
    Processor Basic Includes
PBS (package)
    Processor Basic Services
PCB (hardware)
    Printed Circuit Board
PCC (organization) link
    (Laboratoire de) Physique Corpusculaire et Cosmologie
PCC (hardware)
    Power Conditioning Card
PCI (hardware)
    Peripheral Component Interconnect
PCM (management)
    Project Control Manager
PCMCIA (organization) link
    Personal Computer Memory Card International Association
PCS (hardware)
    Pointing Control Subsystem
PDA (hardware)
    Personal Digital Assistant
PDB (software)
    Project Database
PDF (data processing, standard)
    Portable Document Format -- a declarative binary format, defined by Adobe, that allows PostScript documents to be encoded for transfer between computing platforms, etc.
PDR (management)
    Preliminary Design Review
PDU (hardware)
    Power Distribution Unit
PEM (hardware)
    Plastic-Encapsulated Module
PEM (hardware)
    Pre-Electronics Module
PER (management)
    Pre-Environmental Review
Perl (software) link
    Practical Extraction and Report Language -- high-level, interpreted programming language
PFR (management)
    Problem/Failure Report
PGA (hardware)
    Programmable Gate Array
PHA (physics)
    Pulse Height Analysis
PI (management)
    Principal Investigator
PID (physics)
    Proportional Integral Derivative
PIG (package)
    Power-on/Initialize GASU
PIL (management)
    Parts Identification List
PIN (hardware)
    Positive-Intrinsic-Negative -- a type of semiconductor
PLANNED (management) PMB (management)
    Performance Measurement Baseline
PMC (hardware)
    PCI Mezzanine Card
PMCS (management)
    Project Management Control System
PMT (management)
    Performance Measurement Technique
PMT
    Photo-Multiplier Tube
PNMT (hardware)
    Photo-Multiplier Tube
PPC (hardware)
    PowerPC
PPC750 (hardware)
    PowerPC 750
PPCP (management)
    Parts Program Control Plan
PPL (management)
    Preferred Parts List
PPS (hardware)
    Pulses per Second
PR (document type)
    Visual/Presentation
PRA (management)
    Probabalistic Risk Analysis
PROC (operations)
    Procedure
PROM (hardware)
    Programmable Read Only Memory
PRU (hardware)
    Power Regulation Unit
PS (hardware)
    Power Supply
PS (document type)
    Process Specification (Instructional)
P&SA (management)
    Performance and Safety Assurance
PSAM (management)
    Performance and Safety Assurance Manager
PSC (hardware)
    Power Switching Card
PSF (statistics)
    Point Spread Function
PSR (management)
    Pre-Shipment Review
PSR (physics)
    Pulsar
PSS (hardware)
    Portable Spacecraft Simulator
PVM (management)
    Performance Verification Matrix
PWB (hardware)
    Printed Wiring Board
Python (software) link
    high-level, interpreted programming language

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QA (management)

    Quality Assurance
QC (management)
    Quality Control
QE (management)
    Quality Engineering
QR (document type)
    Quality Record
QT (hardware)
    Qualification Temperature
QU
    Qualification Unit

0-9 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


R2

    Revision 2
RAD750 (package)
    RAD750 CPU board
rad750 (tag) R&D (management)
    Research and Development
RDB (software)
    Relational Data Base
R&QA (management)
    Reliability and Quality Assurance
RF (physics)
    Radio Frequency
RFA (management)
    Request for Action
RFI (management)
    Request for Information
RFI (physics)
    Radio Frequency Interference
RFP (management)
    Request for Proposal
RHA
    Resolved Hit Address
RI
    Required Instrument
RIKEN (organization) link
    Japanese Institute of Physical and Chemical Research
RIT (hardware)
    Radiator Interface Temperature
R.L. (physics)
    Radiation Length
RMS (statistics)
    Root Mean Square
ROM (hardware)
    Read Only Memory
RSDO (organization) link
    Rapid Spacecraft Development Office
RT
    Real Time
RT
    Remote Terminal
RTE
    Real Time Engine
RTOS (software)
    Real Time Operating System
RTS (operations)
    Relative Time Sequence
RXTE (experiment) link
    Rossi X-Ray Timing Explorer

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SA (operations)

    Single Access (TDRSS)
SAA (physics)
    South Atlantic Anomaly
SAC (management)
    Science Advisory Committee
SAGENAP (organization)
    Scientific Assessment Group for Experiments on Non-Accelerator Physics
SAI (organization) link
    Spectrun Astro, Inc.
SAM (management)
    Safety Assurance Manager
SAP
    Service d'Astrophysique
SAS (software)
    Science Analysis Software
SBC (hardware)
    Single Board Computer
SBC (package)
    Secondary Boot Code
SBIR (management)
    Small Business Innovation Research
S/C (SC) (hardware)
    Spacecraft
SciDataIF (hardware)
    Science Data Interface
SciFi
    Scintillating Fiber
SCIPP (organization) link
    Santa Cruz Institute of Particle Physics (at UCSC)
SCL (software)
    Spacecraft Command Language
SCS (organization) link
    SLAC Computing Services
SDB (management)
    Small Disadvantaged Business
SDMS
    Software Development and Maintenance Simulator
SDP (management)
    Science Data Processing
SE (management)
    Software Engineering
SE (management)
    System Engineering
SECDED (hardware)
    Single Error Correction, Double Error Detection
SED
    Service d'Etude des Detecteurs
SEE (hardware)
    Single Event Effects
SEI (organization)
    Service d'Electronique & Informatique
SEL (hardware)
    Single Event Latch-up
SEP (physics)
    Solar Energetic Particles
SEU
    Single Event Upset
SEU
    Structure and Evolution of the Universe -- NASA program theme
SGC (organization)
    Swedish GLAST Collaboration
SGL (data processing)
    Space/Ground Link
Si (Chemistry)
    Silicon
SI
    Science Instrument
SIG
    Signal Distribution
SINDA (software) link
    Systems Improved Numerical Differencing Analyzer
SIS (experiment) link
    Solar Isotope Spectrometer
SI-SC (hardware)
    Science Instrument-Spacecraft
SIB (hardware)
    Storage & Interface Board
SIIS (hardware)
    Spacecraft Instrument Interface Simulator
Sim
    Simulation
SIU (hardware)
    Spacecraft Interface Unit
SLAC (organization) link
    Stanford Linear Accelerator Center
SLD (experiment) link
    SLAC Large Detector
S&MA (management)
    Safety and Mission Assurance
SMT (hardware)
    Surface Mount Technology
SN
    Space Network
SNOB (science)
    Super Novae OB Star Association
SNR (physics)
    Signal/Noise Ratio
SNR (physics)
    Supernova Remnant
SOHO (experiment) link
    Solar and Heliospheric Observatory
SOI (hardware)
    Silicon On Insulator
SOW (management)
    Statement of Work
SPAR (physics)
    Single Photon Angular Resolution
SPEC (management)
    Specification
SPI (management)
    Schedule Performance Index
SQA (management)
    Software Quality Assurance
SR (geometry)
    Steradian
SRAM (hardware)
    Static Random Access Memory
SRD (management)
    Science Requirements Document
SRO (management)
    Systems Review Office
SRR (management)
    Site Recommendation Report
SRR (management)
    System Requirements Review
SRS (management)
    Software Requirement Specification
SR&T
    Sustaining Research and Technology
S-S
    Subsystem
SS (document type)
    System Specification (Design To Specification)
SSAC (organization) link
    Senior Scientist Advisory Committee
SSC (organization)
    Science Support Center
SSC (physics)
    Synchrotron Self Compton
SSD (hardware)
    Silicon-Strip Detector
SSE
    Space Science Enterprise
SSPP (management)
    System Safety Program Plan
SSR (hardware)
    Solid State Recorder
SSU (organization) link
    Sonoma State University
STD (standard)
    Standard
steradian (geometry)
    unit of solid angle
STM (organization)
    STMicroelectronics (Italy)
STP
    Space Test Program
SU (organization) link
    Stanford University
SU-HEPL (organization)
    Stanford University Hanson Experimental Physics Laboratory
SUROM (hardware) SUSIM (experiment) link
    Solar Ultraviolet Spectral Irradiance Monitor
SU-SLAC (organization) link
    Stanford University - Stanford Linear Accelerator Center
sun-gcc (tag)
    build for Sun (Sparc/Solaris) "host" system, using GCC
SV
    Space Vehicle
SVAC (management)
    Science Verification, Analysis, and Calibration
SW (software)
    Software
SWG (organization)
    Science Working Group
SWSI (standard)
    Space Network Web-based Scheduling Interface
SYS (project)
    System software

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TACK (hardware)

    Trigger Acknowledge
TAMUK (organization) link
    Texas A&M University in Kingsville
TB (hardware)
    Test Board
TBD (management)
    To Be Determined
TBR (management)
    To Be Resolved
TBS (management)
    To Be Supplied
T&C (hardware)
    Telemetry & Command
TCL (package)
    Tcl (Tool Command Language)
TCPU (hardware) TCS (hardware)
    Thermal Control Subsystem
TD (document type)
    Technical Document
TDA (hardware)
    Tile Detector Assembly
T&DF (hardware)
    (LAT) Trigger and Dataflow (subsystem)
TDRP (management)
    Technical Design Review Program
TDRSS (infrastructure)
    Tracking and Data Relay Satellite System
TDSP (hardware)
    TEM Digital Signal Processor
TDT
    Tile Detection Test
TECH
    Technical
TEM (hardware)
    Tower Electronics Module
THA (hardware)
    Tower Hit Address
TID (physics)
    Total Ionizing Dose
TKR (management) link
    (LAT) Tracker (subsystem) -- Precision Si-strip Tracker
TLE (management)
    Two-Line Elements
TLM (management)
    telemetry
T&M (management)
    Test and Measurement
TMCM (hardware)
    TKR Multi-Chip Module
TMM
    Thermal-Mechanical Model
TOO (physics)
    Target of Opportunity
TOT (hardware)
    Time Over Threshold
TPG (chemistry)
    Thermal Pyrolytic Graphite
TPG (package)
    Trigger Pattern Generator
TPM (management)
    Technical Performance Measure
TPS (hardware)
    Tower Power Supply
TQFP (hardware)
    Thin Quad Flat Package
TRC (hardware)
    Tower Readout Cable
TRG (hardware)
    Trigger
TRL (management)
    Technology Readiness Level
TSA (hardware)
    Tile Shell Assembly
TSS (hardware)
    Thermal Synthesizer System
TU (hardware)
    Test Unit
TV
    Thermal Vacuum

0-9 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


UAH (organization) link

    University of Alabama at Huntsville
UARS (experiment)
    Upper Atmospheric Research Satellite
UCSC link
    University of California at Santa Cruz
UnID (physics)
    Unidentified Sources
UNK (document type)
    Unknown (Inactive)
UPS (hardware)
    Uninterruptible Power Supply
USN (organization) link
    United States Navy
UTC (standard)
    Universal Time Coordinated
UW (organization) link
    University of Washington

0-9 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


VAC

    Vacuum
VC (operations)
    Virtual Channel
VCDU (hardware)
    Virtual Channel Data Unit
VCHP (hardware)
    Variable-Conductance Heat Pipe
VDG (physics)
    Van De Graaf
VLPC (hardware)
    Visible Light Photon Counter
VLSI (hardware)
    Very Large Scale Integration
VM2 (management)
    Verification Model 2
VME (hardware, standard)
    Versa Module Eurocard
VR (management)
    Validation Reviews
VSC (hardware)
    Virtual Spacecraft (EGSE)
V&V (management)
    Verification and Validation
VVC
    Virtual Visitor Center
VXW (package) link VxWorks (software) link
    real-time operating system from Wind River

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W (physics)

    Watts
WAN (data processing)
    Wide Area Network
WBS (management)
    Work Breakdown Structure
WIMP (physics)
    Weakly Interacting Massive Elementary Particle
Wind River (organization) link
    produces VxWorks, a real-time operating system
WOA (management)
    Work Order Authorization
WP (management)
    Work Package
WSB (hardware)
    Wave Shifting Bars
WSC (operations)
    White Sands Complex
WSF (hardware)
    Wave Shifting Fibers
WUStL (organization) link
    Washington University, St. Louis

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X0 (physics)

    Radiation Length
XGT
    External Gamma-ray Target
X-LAT (hardware) XLX (package) XR (document type)
    Change Record

0-9 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


YAML (software, standard) link

    YAML Ain't Markup Language -- data serialization format

0-9 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 


ZLIB (package)

    Gzip library, wrapper

Feeling Lost? Try the Introduction to FSW Documentation or the FSW Search Tool. Contact fsw-web for help requests, comments, bug reports, etc. This page last modified on January 24, 2005 at 17:44 PST. (Included material may have been updated at a different time.)