Acronyms Associated with SOI and MDI
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AAD
Attitude Anomaly Detector
AAS
American Astronomical Society
ACE
Advanced Composition Explorer
ACS
Attitude Control System
ACU
Attitude Control Unit
AD
Acronym Dictionary
ADC
Analog to Digital Converter
AFSCF
Air Force Satellite Control Facility
AFSCN
Air Force Satellite Control Network
AFT
Abbreviated Functional Test
AGO
Santiago Ground Station
AGSS
Attitude Ground Support System
AI
Associate Investigator
AIS
Automated Information Security
AIT
Assembly, Integration and Test
Atomic International Time
AIV
Assembly-Integration-Verification
ALARA
As Low As Reasonably Achievable
As Late As Reasonably Achievable
AN
Analog
ANT
Antenna
ANTS
Antenna Subsystem
AOCE
Attitude and Orbit Control Electronics
AOCMS
Attitude and Orbit Control Measurement System
AOCS
Attitude and Orbit Control System
AOS
Acquisition of Signal
AP
Application Processors
APID
Application Identification
APM
Antenna Pointing Mechanism
APME
Attitude Pointing Mechanism Electronics
ARO
Automatic Reconfiguration Order
ARC
Ames Research Center
ARq
Authentication Request
ARs
Authentication Response
ASAP
As Soon As Possible
As Slow As Possible
ASC
American Society of Cinematographers
ASE
Airborne Support Equipment
ASW
Address and Synchronization Word
Application Software
AT
Acceptance Testing
ATSC
AlliedSignal Technical Services Corporation
AUX
Auxiliary
AVD
Alternate Voice/Data
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BARM
Block Acceptance Reporting Mechanism
BAS
Block Acquisition Sequence
BCP1
Broadcast Pulse 1
BCP3
Broadcast Pulse 3 (LOBT clock)
BDR
Battery Discharge Regulator
BECO
Booster Engine Cutoff
BER
Bit Error Rate
BI0-L
Biphase - Level
BITNET
Because It is Time NETwork
BOL
Beginning of Life
BRD
Broadcast (MACS bus transition)
BRML
Block Recorder Mission Log
BRU
Battery Regulation Unit
BSR
Back Surface Reflection
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CAE
Control and Actuation Electronic
CAN
Canberra (DSN Station)
CBH
Catalyst Bed Heater
CCAFS
Cape Canaveral Air Force Station
CCAM
Collision and Contamination Avoidance Maneuver
CCB
Configuration Control Board
CCD
Charge Coupled Device
CCL
Close Circuit Loop
CCOM
Control Center Operations Manager
CCR
Configuration Change Requests
CCS
Central Checkout System
CCSDS
Consultive Committee for Space Data Systems
CCSM
Control Center Systems Manager
CCTV
Close Circuit Television
C&DH
Command and Data Handling
CDDI
Copper Distributed Data Interface
CDF
Common Data Format (SFDU data format)
CDHF
Central Data Handling Facility
CDMU
Central Data Management Unit
CDR
Critical Design Review
CDS
Coronal Diagnostic Spectrometer
CE
Communications Engineer
CELIAS
Charge, Element and Isotope Analysis System
CEPAC
COSTEP-ERNE Particle Analysis Collaboration
CfA
Harvard-Smithsonian Center for Astrophysics, USA
CFP
Call For Proposals
CM
Configuration Management
Continuus Memory Format
CMD
Command
CMO
Configuration Management Office
CMP
Configuration Management Plan
CMS
Command Management System
CMSE
Command Management Systems Engineer
CNRS
Centre National de la Recherche Scientifique
COBS
Central On Board Software
COSTEP
Comprehensive Supra Thermal and Energetic Particle Analyzer
COSTR
Collaborative Solar-Terrestrial Research
COTS
Commercial Off the Shelf Software
CPM
Command Pulse Module
CR
Carrington Rotation
CRC
Cyclical Redundancy Coding
CRT
Cathode Ray Tube
CSPAAD
Coarse Sun Pointing Attitude Anomaly Detection
CSO
Computer Security Officials
CSSA
Center for Space Science and Astrophysics (Stanford)
CSTC
Consolidated Satellite Test Center
CTA
Controlled Thrust Assembly
CTA-21
Compatibility Test Area (JPL)
CTOF
Charge Time-Of-Flight
CTV
Compatibility Test Van
CTU
Central Terminal Unit
Co-I
Co-Investigator
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D/L
Downlink
DAA
Data Availability Acknowledgment
DAN
Data Availability Notice
dB
Decibels
DB
Digital Bilevel acquisition
dBI
Decibels referenced to Isotropic gain
dBm
Decibels referenced to one milliwatt
dBW
Decibels referenced to one watt
DC
Direct Command
DCF
Data Capture Facility
DCN
Document Change Notice
DDA
Data Delivery Acknowledgement
DDF
Data Distribution Facility
DDFM
Data Distribution Facility Manager
DDN
Data Delivery Notice
DEL
Data Evaluation Laboratory
DEM
Demodulator
DEP
Dedicated Experiment Processor
DFCD
Data Format Control Documents
DFD
Data Flow Diagram
DGIB
DSN/GSFC Interface Blocks
DGS
Diego Garcia Station
DHP
Direct High Power
DHSS
Data Handling Subsystem
DIARAD
Dual Irradiance Absolute Radiometer (on VIRGO)
DL
Downlink
DM
Data Management
DML
Direct Memory Load
DMR
Detailed Mission Requirements
DMR1
Detailed Mission Requirements Issue #1
DMR2
Detailed Mission Requirements Issue #2
DMS
Digital Matrix Switch
DOD
Department of Defense
DP
Dynamics Program
DPC
Data Product Code
DPE
Data Processing Engineer
DPI
Data Processing Installation
DPS
Data Processing Segment
DQM
Data Quality Message
DR
Discrepancy Report
DRAC
SOI/MDI Data Reduction and Analysis Center
DS
Data Set
DSCC
Deep Space Communications Complex
(NASA/JPL)
DSDS
Data Storage and Distribution System
DSM
Data Systems Manager
DSN
Deep Space Network
DECnet
Digital Equipment Corporation Network
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EAA
Earth Attitude Angle
EAF
Experimenter's Analysis Facility
EARN
European Academic Research Network
ECS
EOF Core System
EDL
Ethernet Data Link
EGSE
Electrical Ground Support Equipment
EHP
Extended High Power
EHPC
Extended High Priority Command
EID
Experiment Interface Document
EIT
Extreme-ultraviolet Imaging Telescope
ELEC
Electronics
ELV
Expendable Launch Vehicle
EM
Engineering Model
EOF
Experimenter's Operations Facility
EOM
End of Mission
EPA
Energetic Particle Analyzer
EPHIN
Electron Proton Helium Instrument
EPSS
Electrical Power Subsystem
EPV
Extended Precision Vector
ER
Eastern Range
ERNE
Energetic and Relativistic Nuclei and Electron Experiment
ESA
European Space Agency
ESDOC
European Science Data and Operations Center
ESMC
Eastern Space and Missile Center
ESOC
European Space Operations Centre (ESA, Darmstadt)
ESPOCC
European Space Project Operations Control Center
ESR
Emergency Sun Reacquisition
ESTEC
European Research and Technology Center
ESTRACK
European Space Tracking (Network)
Ethernet
Local area network defined by ISO 802.3
EU
Engineering Unit
EUV
Extreme Ultra-Violet
EXP
Experiment
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FAC
Facility
FCL
Foldback Current Limiter
FCV
Flow Control Valve
FDD
Flight Dynamics Division
FDDI
Fiber Distributed Data Interface
FDE
Flight Dynamics Engineers
FDE
Failure Detection Electronics
FDF
Flight Dynamics Facility
FDSS
Flight Dynamics Support System
FDST
Flight Dynamics Support Team
FEHEM
Front-End Hardware Emulator
FEP
Front-End Processors
FFT
Fast Fourier Transform
FIFO
First In First Out
FITS
Flexible Image Transport System
FM
Flight Module
FMI
Finnish Meteorological Institute, Finland
FOLAN
Flight Operations Local Area Network
FOP
Fligth Operations Plan
FOR
Flight Operations Review
FOT
Flight Operations Team
FOV
Field of View
FPSS
Fine Pointing Sun Sensor
FPSSE
Fine Pointing Sun Sensor Electronics
FPSSH
Fine Pointing Sun Sensor Head
FRD
Functional Requirements Document
FRR
Flight Readiness Review
FRTM
Functional Requirements Traceability Matrix
FSA
Fine Sun-pointing Acquisition mode
FSE
File Server Ethernet
FSM
Flight Synchronizer Module
FSMF
Flight Software Maintenance Facility
FSPAAD
Fine Sun Pointing Attitude Anomaly Detection
FT
Fourier Tachometer
Fourier Transform
FTP
File Transfer Protocol
FTR
Flight Tape Recorder
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GB
Gigabyte
GBRS
Generic Block Recording System
GCF
Ground Communications Facility
GDCF/Pacor
ISTP Program Generic Data Capture Facility / Packet Processor
GDCLS
General Dynamics Commercial Launch Services (San Diego, CA)
GDS
Ground Data System, Goldstone (DSN station)
GDSIRD
Ground Data System Information Requirements Document
GenSAA
Generic Spacecraft Analysis Assistant
GEOTAIL
Geomagnetic Tail Laboratory
GESS
Graphics Executive Support System
GEU
Gyroscope Electronics Unit (same as GME)
GGS
Global Geospace Science
GIF
Graphics Interchange Format
GIGO
Garbage In Garbage Out
GMAN
General Maneuver
GME
Gyro Management Electronics (same as GEU)
GMT
Greenwich Mean Time
GMU
Gyro Mechanical Unit (same as GYP)
GN
Ground Network
GOLF
Global Oscillations at Low Frequency
GONG
Global Oscillations Network Group
GPM
Generic Payload Module
GPR
Greenwich Photoheliographic Results
GS
Ground System
GSE
Ground Support Equipment
GSE
Ground Support Electronics
GSE
Geocentric Solar Ecliptic
GSFC
Goddard Space Flight Center
GSIRD
Ground Data System Information Requirements Document
GTAS
Generic Testing and Analysis System
GTDS
Goddard Trajectory Determination System
GW
Gateway
GYP
Gyroscope Package (same as GMU)
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H/W
Hardware
HBR
High Bit Rate
HDR
Hardware Design Review
HED
High Energy Detector
HEPL
Hansen Experimental Physics Laboratories (Stanford)
HGA
High Gain Antenna
HK
Housekeeping
HOI
Halo Orbit Insertion
HOP
Halo Orbit Phase
HQ
Headquarters
HR
High Rate
HSIO
High Speed Input/Output
HTML
Hypertext Meta-Language
HTTP
Hypertext Transfer Protocol
Hz
Hertz
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I
Injection
I&T
Integration and Test
I&TRR
Integration and Test Readiness Review
IAC
Instituto de Astrofisica de Canarias, Spain
IAS
Institut d'Astrophysique Spatiale, France
ICA
Integration Control Agreement
ICD
Interface Control Document
ID
Identification
Idle Format
IDL
Interactive Data Language
I/F
Interface
IKI
Institut Kosmicheskikh Issledovanii
I/O
Input/Output
INIT
Initialization
IOS
Indian Ocean Station
IP
Image Processor
Internet Protocol
IPD
Information Processing Division
IPHIR
InterPlanetary Helioseismology with IRradiance observations
IRD
Information Requirements Document
IRU
Inertial Reference Unit
IRV
Improved Inter-Range Vector
ISA
Initial Sun Acquisition
ISAS
Institute of Space and Astronautical Science
ISG
ISTP Scheduling Group
ISI
Instrument/Spacecraft Interface
ISS
Image Stabilization System
ISTP
International Solar-Terrestrial Physics
IUE
International Ultraviolet Explorer
IWS
Instrument Work Stations
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JPL
Jet Propulsion Laboratory
JSC
Johnson Space Center
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Kbps, kbps
Kilobits per second
KCRT
Keyboard CRT
KPNO
Kitt Peak National Observatory
KSC
Kennedy Space Center
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L
Launch
LAN
Local Area Network
LASCO
White Light And Spectrometric Coronagraph
LCL
(switchable) Local Current Limiter
LEB
LASCO Electronics Box
LED
Low Energy Detector
LEOP
Launch and Early Orbit Phase
LeRC
Lewis Research Center
LGA
Low Gain Antenna
LION
Low Energy Ion and Electron Instrument
LOBT
Local On Board Time
LOI
Luminosity Oscillations Imager (on VIRGO)
LOS
Lost of Signal
LPARL
Lockheed Palo Alto Research Laboratories
LPM
Launch and Parking Mode
LR
Low Rate
LRR
Launch Readiness Review
LSB
Least Significant Bit
LSR
Launch Support Room
LV
Latching Valve
LV
Launch Vehicle
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MACS
Modular Attitude Control System
MAR
Mission Analysis Room
MASMP
Mission Analysis and Suport Management Plan
MB
Megabyte
MCC
Mid Course Correction
MCP
Micro Channel Plate
MDI
Michelson Doppler Imager
MDI-H
MDI-Helioseismology
MDI-M
MDI-Magnetogram
MDUL
Missing Data Units List
ME
Mission Engineer
MECO
Main Engine Cutoff
MELICA
Medium Energy Ion Composition Analyzer
MES
Main Engine Start
MGE
Media Generation Element
MHZ
Megahertz
MI
Mode Indicator
MIL
Merritt Island (GN Station)
MILA
Merritt Island Launch Area
MIL-71
Merritt Island DSN Facility
MLI
Multi-Layer Insulation
MMS-F
Matra Marconi Space-Toulouse, France
MO&DA
Mission Operations and Data Analysis
MO&DSD
Mission Operations and Data Systems Directorate
MOA
Mission Operations Area
MOC
Mission Operations Center
MOD
Mission Operations Division
MODNET
MO&DSD Operational/Development Network
MOF
Magneto-Optical Filter
MOM
Mission Operations Manager
MOR
Mission Operations Review
MOR
Mission Operations Room
MOS
Maneuver Observation System
MOSA
Mission Operations Support Area
MOSP
Mission Operations Support Plan
MOWG
Mission Operations Working Group
MP&A
Mission Planning and Analysis Area
MPAE
Max-Planck-Institut fuer Aeronomie, Germany
MPSR
Monthly Project Status Review
MR
Medium Rate
MRM
Mission Readiness Manager
MRR
Mission Readiness Request
MRT
Mission Readiness Test
MRTT
Mission Readiness Test Team
MSB
Most Significant Bit
MSE
Mission Server Element
MSR
Monthly Status Report
MSS
Message Switching System
MSSL
Mullard Space Science Laboratory, UK
MTASS
Multi-Mission Three-Axis Stabilized Satellite
MTOF
Mass-Time-of-Flight
MTP
Mission Test Plan
MTR
Magnetic Tape Recorder
MX
Merry Christmas
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N
Newton
N/A
Not Applicable
NASA
National Aeronautics and Space Administration
NASCOM
NASA Communications
NAV
Navigation (DSN) Subsystem
NCC
Network Control Center
ND
Network Director
NFS
Network File System
NIF
Nascom Interface Facilities
NMI
NASA Management Instruction
NMOS
Network Mission Operations Support
NOAA
National Oceanic and Atmospheric Administration
NOAO
National Optical Astronomy Observatories
NOCC
Network Operations Control Center (DSN)
NOPE
Network Operations Engineer
NRCA
Nonconformance Report and Corrective Action
NRL
Naval Research Laboratory, USA
NRP
NASA Resource Protection
NRT
Near Real-Time
NRZ-L
Non Return to Zero Level
NSDP
Nascom System Development Plan
NSE
Network Support Engineer
NSI
NASA Science Internet
NSO
National Solar Observatory
NSSDC
National Space Science Data Center
NTM
Network Test Manager
NTOM
Network Technical and Operations Manager
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OA
Operations Agreement
OBC
On Board Computer
OBDH
On Board Data Handling
OBT
On-Board Time
OD
Orbit Determination
OFA
Office of Flight Assurance
ORPA
Operational Readiness and Performance Assurance
ORR
Operational Readiness Review
OSC
Office of Space Communications
OSE
Operations Simulations Engineer
OSO
Orbiting Solar Observatory
OSSA
Office of Space Science and Applications
OTS
Operations Testing and Simulations
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P/B
Playback
P/M
Payload Module
PACOR
Packet Processor
PACORII
Packet Processor Data Capture Facility II
PAD
Pressure Anomaly Detection
PB
Playback
PC
Personal Computer
PCC
Power Converter for CDMU
PCM
Pulse Code Modulation
PCS
Predefined Command Sequence
PDB
Project Data Base
PDF
Programmable Data Formatter
PDFE
Programmable Data Formatter Engineer
PDI
Payload Data Interleaver
PDR
Preliminary Design Review
PDU
Power Distribution Unit
PE
Pipeline Execution
PHAS
Payload Module (PLM) Harness Subsystem
PI
Principal Investigator
PLM
Payload Module
PM
Processor Module
PME
Pacor Mission Engineer
PMOD
Physikalisch-Meteorologisches Observatorium Davos
PMP
Project Management Plan
PNG
Portable Network Graphics
POCC
Payload Operations Control Center
POLAR
Polar Plasma Laboratory
POP
Program Operating Plan
PP
Post Pass
PPM
Parts Per Million
PRD
Program Requirements Document
PROS
Propulsion Subsystem
PRTC
Priority Real Time Commands
PSCN
Program Support Comunications Network
PSK
Phase Shift Keying
PSM
Priority Select Module
PSM
Project Security Manager
PSS
Portable Spacecraft Simulator
PSTS
Payload Module (PLM) Structure Subsystem
PTCS
Payload Module Thermal Control Subsystem
PVL
Parameter Value Language
PVM
Parallel Virtual Machine
PZT
Piezoelectric Transducer
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QA
Quality Assurance
QAC
Quality and Accounting Capsule
QAE
Quality Assurance Engineer
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Rad
Radian
R/T
Real-Time
RAAD
Roll Attitude Anomaly Detection
RAAM
Roll Attitude Acquisition Mode
RAD
Roll Attitude Determination
RAL
Rutherford Appleton Laboratory, UK
RAM
Random Access Memory
RARR
Range and Range Rate
RASM
Remote Access Scheduling Terminal
RCR
Remote Command Request
RD
Reference Document
RDBMS
Relational Data Base Management System
Re
Earth Radii
RF
Radio Frequency
RFDU
Radio Frequency Distribution Unit
RID
DSN Station at Madrid, Spain
RID
Review Item Disposition
RM
Reconfiguration Module
RMW
Roll Maneuver Wheels
ROM
Read Only Memory
RPC
Remote Procedure Calls
RPR
Remote Procedure Request
rpm
Revolutions per minute
RRAD
Roll Rate Anomaly Detection
Rs
Solar Radius
RS, R/S, R-S
Reed-Solomon
RSS
Root Sum Square
RT
Real-Time
RTFM
Read The !@#$%&! Manual
RTU
Remote Terminal Unit
RUST
Remote User Scheduling Terminal
RW
Reaction Wheel
RX
Receive
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S/C
Spacecraft
S/W
Software
SAD
Solar Array Deployment
SAM
Sun Acquisition Mode
SAM
System Assurance Manage
SAS
Solar Acquisition Sensor
SCAMA
Switching, Conferencing and Monitoring Arrangement
SCI
Real-time Science Data Format
SCID
Spacecraft Identification
SCR
Stripchart Recorder
SDB
Spacecraft Data Base
SDPF
Sensor Data Processing Facility
SDR
System Design Review
SDS
Some kind of Data Set
System Design Specification
SECO
Sustainer Engine Cutoff
SEL
Space Environment Laboratory
SELDADS
SEL Data Acquisition and Display System
SELSIS
SEL Solar Imaging System
SEU
Single Event Upset
SFDU
Standard Formatted Data Unit
SFT
System Functional Test
SGSS
Solar Generator Subsystem
SHAS
Service Module (SVM) Harness Subsystem
SHSS
Structure and Harness Subsystem
SIC
Spacecraft Identification Code
SID
Spacecraft Identification Number
SIM
Simulator
Solar Irradiance Monitor
SIP
System Implementation Plan
SIT
System Implementation Team
SK
Stationkeeping
SLC
Space Launch Complex
SM
Structural Model
SMIP
SOHO Mission Implementation Plan
SMIRD
SOHO Mission Implementation Requirements Document
SMM
Solar Maximum Mission
SMO
System Management Office
SMOC
SOHO Science and Mission Operations Center
SMOCC
SOHO Mission Operations Control Center
SMP
Systems Management Policy
SOC
Science Operations Coordinator
Simulations Operations Center
SOCA
Special Operations Control Area
SOHO
Solar and Heliospheric Observatory
SOI
Solar Oscillations Imager
Solar Oscillations Investigation
SOL
Science Operations Leader
SOP
Science Operations Plan
SOSA
Special Operations Support Area
SOT
Science Operations Team
SOTA
Science Operations and Test Area
SOWG
SOHO Science Operations Working Team
SP
Structure Program
SPAN
Space Physics Analysis Network
SPD
Solar Physics Division
Space Physics Division
SPDS
Space Physics Data System
Solar Physics Data System
SPL
Split Phase Level
SPM
Sunphotometer (on VIRGO)
sps
Symbols per second
SPOF
Science Planning and Operations Facility
SQL
Structured Query Language
SRB
System Review Board
SRB
Solid Rocket Booster
SRD
System Requirements Document
SRL
Spacecraft Reference Line
SRM
Solid Rocket Motor
SRR
System Requirements Review
SRS
System Requirements Specification
SSR
Software Specification Review
Solid State Recorder
SSSC
SOI Science Support Center
SSTS
Service Module (SVM) Structure Subsystem
SSU
Star Sensor Unit
STC
Satellite Test Center
STCS
Service Module Thermal Control Subsystem
STDN
Spaceflight Tracking and Data Network
STOF
Suprathermal-Time-Of-Flight
STOL
System Test and Operations Language
STR
System Test Review
STS
Star Tracker Sensor
STSP
Solar Terrestrial Science Programme
SU
Stanford University
SUM
SOHO User's Manual
SUMER
Solar Ultraviolet Measurements of Emitted Radiation
SVM
Service Module
SWAN
Solar Wind ANisotropies
SWT
Science Working Team
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T&DA
Telemetry and Data Acquisition
T&DS
Tracking and Data Systems/JPL
TAB
Timing and Acquisition Bit
TAC
Telemetry and Command Computer
TAI
Temps Atomique International
TAP
Take A Picture
TBC
To Be Confirmed
TBD
To Be Defined
TC
Telecommand
TCOPS
Trajectory Computation and Orbit Products System
TCP
Transmission Control Protocol
TCS
Thermal Control Subsystem
TCXO
Temperature Controlled Crystal Oscillator
TDA
Telecommunications and Data Acquisition
TDR
Test Discrepancy Report
TDSM
Tracking and Data Systems Manager
TFG
Transfer Frame Generator
TGS
Timeline Generation System
TIRIO
Table of Incompatibilities and Requirements for the Instruments Operation
TLA
Three Letter Acronym
TLAN
TPOCC LAN
TLM
Telemetry
TOD
Time-out detection
TPOCC
Transportable POCC
TR
Tape Recorder
TRB
TDR Review Board
TRK
Tracking
TRPSA
Transponder Assembly
TRR
Test Readiness Review
TSTOL
TPOCC System Test and Operations Language
TT
Time-Tagged
TT&C
Telemetry, Tracking and Command
TTB
Time-Tagged Buffer
TTI
Transfer Trajectory Insertion
TTP
Transfer Trajectory Phase
TVCF
Transportable Vehicle Checkout Facility
TTY
Teletype
TX
Transmit
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Uplink
UPS
Uninterruptable Power Supply
URL
Uniform Resource Locator
USO
Ultra Stable Oscillator
UT
Universal Time
UTC
Coordinated Universal Time
Universal Time Code
UVCS
UltraViolet Coronagraph Spectrometer
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V/W
Vaporware
VBB
VIRGO Blue Book (superseded by VPB)
VC
Virtual Channel
VCID
Virtual Channel Identification
VCXO
Voltage Controlled Crystal Oscillator
VDS
Virtual Data Set
VID
Vehicle Identification Number
VIRGO
Variability of solar IRradiance and Gravity Oscillations
VPB
VIRGO Purple Book
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W
Watts
W3C
World Wide Web Consortium
WBS
Work Breakdown Structure
WDE
Wheel Drive Electronic
WIND
Interplanetary Physics Laboratory
WS
Work-Station
WSMC
Western Space and Missile Center
WSO
Wilcox Solar Observatory
WWW
World Wide Web
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XDR
External Data Representation
XMT
Transmit
XPNDR
Transponder
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Page last revised
Wednesday, 05-Jan-2000 15:06:42 PST