Acronyms - All
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ALL
A
A&P - Archive and Production
A/D - Analog/Digital
AA - Active Archive
AADP - Active Archive Data Package
ABS - Absolute
ACCA - Automated Cloud Cover Assessment
ACQ - Acquired Scenes Report
ACRES - Australian Center for Remote Sensing
ACS - Attitude Control System
ACSLS - Automated Cartridge System Library Software
ADA - Angular Displacement Assembly or Attitude Displacement Assembly
ADC - After DC Restore
ADIC - Advanced Digital Information Corporation
ADM - Administrative Message
ADS - Attitude Displacement Sensors and Archive Data Stager
ADSA - Attitude Displacement Sensor Assembly
AEM - Auxiliary Electronics Module
AFWA - Air Force Weather Agency
AGC - Automatic Gain Control
AGE - Automated Ground Equipment
AGS - Alaska Ground Station
AIS - Automated Information Security
ALI - Advanced Land Imager
AN - Ascending Node
ANSI - American National Standards Institute
AOS - Acquisition of Signal
API - Application Programming Interface
AQPSK - Asynchronous Quadrature Phase Shift Keying
AR - Archive or Axial Ratio
AS - Archive Server
ASA - Archive Server Application or Alice Springs [Station] Australia
ASCII - American Standard Code for Information Interchange
ASGUI - Archive Server Graphical User Interface
ASIC - Application Specific Integrated Circuit
ASN - Alice Springs Ground Station
AST - Active Scan Time
ASTER - Advanced Spaceborne Thermal Emission and Reflection
ATBD - Algorithm Theoretical Basis Document
ATCS - Absolute Time Command Sequence
ATL - Automated Tape Library
AUI - Analyst User Interface
B
B&A - Billing & Accounting
B2B - Band-to-Band
BA - Billing and Accounting
BCD - Binary-Coded Decimal
BCH - Bose-Chaudhuri-Hocquenghem Error Detection and Correction
BD - Band
BER - Bit Error Rate
BIL - Band Interleaved by Line
BME - Brouwer Mean Element
BMOC - backup Mission Operations Center
BN - Background Noise
BPDU - Bitstream Protocol Data Unit
BPSK - Biphase Shift Keying
BRDF - Bi-directional Reflectance Distribution Function
BRDF-n - Normalized Bi-directional Reflectance Distribution Function
BRDF-s - Spectral Bi-directional Reflectance Distribution Function
BSQ - Band Sequential
BSTAR - Drag-Related Parameter in the NORAD Two-Line Element
BSU - Baseband Switching Unit
BTC - Bench Test Cooler
BTI - Blank Tape Interface
C
C - Centigrade
C& DH - Command and Data Handling
C&A - Certification and Accreditation
C3S - NPOESS Command, Control, and Communications Segment
CADU - Channel Access Data Unit
CAL - Calibration Data
Cal/Val - Calibration/Validation
CAP - Cartridge Access Port
CC - Cubic Convolution or Computer Compatible
CCA - Cloud Cover Assessment
CCB - Configuration Control Board
CCP - Configuration Change Process
CCR - Configuration Change Request
CCRS - Canada Center for Remote Sensing
CCS - COI Cleanup System
CCSDS - Consultative Committee for Space Data Systems
CCT - Computer Compatible Tape
CD - Change Directory or Compact Disk
CDI - Capture Device Identifier
CDR - Critical Design Review
CDRL - Contract Data Requirements List
CD-ROM - Compact Disk-Read Only Memory
CE - Circular Error
CEOS - Committee on Earth Observing Satellites
CF - Correction Factor
CFP - Cold Focal Plane
CFPA - Cold Focal Plan Array or Cold Focal Plane Assembly
CI - Configuration Item
CIC - Computer Interrupt Code
CIU - Controls Interface Unit
CLR - Combined Labor Rate or Contract Labor Rate
CLTU - Command Link Transmission Unit
cm - Centimeter
CM - Configuration Management
CMD - Command
CMM - Capability Maturity Model
CMO - Configuration Management Office
CMP - Configuration Management Plan
CN - Coherent Noise
CNR - Carrier-to-Noise Ratio
CO - Contract Officer or Content Owner
COI - Common Order Interface
COMM - Communications Subsystem
Con Ops - Concept of Operations
CONAE - Comision Nacional De Actividades Espaciales
CONOPS - Concept of Operations
CONUS - Continental United States
COR - Cost of Reproduction
COTS - Commercial Off-the-Shelf
CPF - Calibration Parameter File
CPU - Central Processing Unit
CRaM - Combined Radiometric Model
CRC - Cyclic Redundancy Check or Cyclic Redundancy Code
CRM - Customer Relationship Management
CRMP - Continuous Risk Management Plan
CRSSGS - China Remote Sensing Satellite Grand Station
CS - Customer Service
CSC - Computer Software Component
CSCI - Computer Software Configuration Item
CSIS - Control and Schedule Interface System
CSR - Capture Success Rate
CSU - Computer Software Units
CTS - Capture Transfer Subsystem
CTV - Compatibility Test Van
CV - Command Verification
CVCDU - Coded Virtual Channel Data Unit
CVDQA - Calibration Validation Data Quality Assurance
CVE - Calibration Validation Element
CVWG - Calibration-Validation Working Group
D
D&M - Development and Maintenance
D/L - Downlink
D3 - 50GB Data tape cartridge from StorageTek
DA - Document Administrator
DAAC - Distributed Active Archive Center
DAE - Data Acquisition Element
DAF - Data Acquisition Facility
DAG - Database Administrator Guide
DAP - Data Acquisition Plan
DAS - Data and Applications Support
DB - Database or Data Block
dB - Decibel
dB/K - Decibel per Degree Kelvin
DBA - Database Administrator
DBCI - Database Configuration Item
DBDD - Database Design Description or Database Description Document
dB-Hz - Decibel-Hertz
dBi - Decibel above isotropic
dBW - Decibel Relative to 1 Watt
DC - Direct Current
DC&P - Data Capture and Processing Facility
DCCB - DHF Configuration Control Board
DCN - Document Control Number or Document Change Notice
DCPF - Data Capture & Processing Facility
DCRSi - Digital Cassette Recorder System Incremental
DCS - Data Capture System
DCT - Digital Cassette Tape
DDI - DCS Data Ingest
DDS - DCS Database Server
DE - Definitive Ephemeris
DEF - Definitive Ephemeris Product
Delta-I - Delta-inclination
DEM - Digital Elevation Model
DEPEPH - Definitive Ephemeris Product
DES - Station Description Message
DET - Escape Detection
DEV - Development
DFCB - Data Format Control Book
DFD - Data Flow Diagram
DG - Digital Globe
DHF - Data Handling Facility
DHN - Data Handling Node
DIR - Direction
DIRT - Data Interception by Remote Transmission
DIS - Data Information System
DLT - Digital Linear Tape
DMR - Detailed Mission Requirements
DMS - Data Management Subsystem
DMU - Data Migration Utility
DN - Descending Node or Digital Number
DNS - Domain Name Server
DOC - Department of Commerce
DOI - Department of Interior
DOORS - Dynamic Object-Oriented Requirements System
DOQ - Digital Orthophoto Quadrangle
DORRAN - Distributed Ordering, Research, Reporting, and Accounting Network
DoS - Denial of Service
DOY - Day-of-Year
DP - Data Processing
DQA - Data Quality Analyst
DQV - Data Quality Validation
DR - Delivery Record or Discrepancy Report
DRTS - Data Reporting and Tracking Subsystem
DSL - Days-Since-Launch
DSS - Data Staging System
DST - Data Support Team
DTED - Digital Terrain Elevation Data
DTED - Digital Terrain Elevation Data
DTG - Day Time Group
DV - Data Validation
DV&E - Data Validation & Exchange
DVD - Digital Versatile Disc
DVD-R - Digital Versatile Disc – Read Only
E
E&A - Evaluation and Analysis
EAR - Export Administration Regulations
EAS - Evaluation and Analysis Subsystem
Eb - Energy per Bit
EBAS - EROS Billing and Accounting System
ECI - Earth Centered Inertial
ECITOD - Earth Centered Inertial TRUE of Date
ECS - EOSDIS Core System
EDAC - Error Detection And Correction
EDC - EROS Data Center
EDDDR - EDC Daily Discrepancy Report or EDC Daily Data Received Report
EDG - EOS Data Gateway
EE - Earth Explorer
EIRP - Effective Isotropic Radiated Power
EIS - External Interface Specification
EL1PS - EDC Level 1 Prototype System
e-mail - Electronic Mail
EMC - Electromagnetic Compatibility
EMI - Electromagnetic Interference
EMP - Electromagnetic Pulse
ENVI - Environment for Visualizing Images
EO-1 - Earth Observing 1
EOC - Earth Observation Center
EOIS - Earth Observation Data & Information Systems
EOL - End-of-Line
EOS - Earth Observing System
EOSAT - Earth Observation Satellite Company
EOSDIS - EOS Data and Information System
EPA - Euler Parameter
EPF - ETM+ Processing Facility
EPGN - EOS Polar Groundstation Network
EPS - Electrical Power Subsystem
EPSG - European Petroleum Survey Group
ERB - Engineering Review Board
ERD - Entity Relationship Diagram
EROS - Earth Resources Observation and Science
ERR - Error
ERTS - Earth Resources Technology Satellite
ESA - European Space Agency
ESDIS - Earth Science Data and Information System
ESMO - Earth Science Mission Operations
ESRIN - European Space Research Institute
ESUN - Solar Spectral Irradiance
ETM+ - Enhanced Thematic Mapper Plus
ETRO - Estimated Return to Operations
EU - Engineering Unit
EVS - Earth-Vehicle-Sun angle
F
F&PS - Functional and Performance Specifications
FAC - Full Aperture Calibrator
FAQ - Frequently Asked Question
FASC - Full Aperture Solar Calibrator
FAST-L7A - FAST-Landsat 7 Format
FAX - Facsimile Transmission
FBI - Federal Bureau of Investigation
FC - Formulation Contractor
FCA - Functional Configuration Audit
FC-AL - Fiber Channel-Arbitrated Loop
FD - Flight Dynamics
FDD - Format Description Document
FDDI - Fiber-Distributed Data Interface
FDF - Flight Dynamics Facility
FFS - Fiscal Financial System
FFT - Fast Fourier Transform
FGDC - Federal Geographic Data Committee
FHS - First Half Scan
FHSERR - First Half Scan Error
FIA - Final Implementation Agreement
FIFO - First Ordered, First Processed
FIR - Finite Impulse Response
FMEA - Failure Mode and Effect Analysis
FMT - Format
FNMOC - Fleet Numerical Meteorology and Oceanography Center
FOP - Flight Operations Plan
FORMATS - Flight Dynamics Facility Orbit and Mission Aids Transformation System
FOT - Flight Operations Team
FOV - Field of View
FRED - Framed Raw Expanded Data
FRS - File Retrieval System
FSW - Flight Software
FTA - Fault Tree Analysis
FTD - File Transfer Daemon
FTE - Full Time Equivalent or Full Time Employee
FTP - File Transfer Protocol
FW - Full Width
FY - Fiscal Year
G
G/T - Gain over Temperature
GAD - Originator Routing Code for IIRV Messages
GAM - Geography Analysis and Monitoring
GAQD - Originator Routing Code for IIRV Messages
GB - Gigabyte
GBFOM - Global Band Figure of Merit
GBICS - Gigabit Interface Converters
GCCB - Ground Segment Configuration Control Board
GCOR - Temperature corrected Gains
GCP - Ground Control Point
GEO - Geolocation Index File
GEOM - Geometric
GeoTIFF - Geographic Tagged Image File Format
GIPS - Geo-Informatics Products and Solutions
GISRA - Government Information Security Reform Act
GISTDA - Geo-Informatics and Space Technology Development Agency (Thailand)
GLC - Ground Look Calibration Request
GloVis - Global Visualization Viewer
GMT - Greenwich Mean Time
GN - Ground Network
GOT - Ground Operations Team
GP4 - General Perturbations Theory
GPS - Geometric Processing System or Gap Phase Statistic
GRS - Grid Reference System (SPOT)
GSA - U.S. General Services Administration or Ground Station Analyst
GSC - Ground Station Controller
GSD - Ground Sampling Distance or Guide Star Data
GSFC - Goddard Space Flight Center
GSI - Ground Station Identifier
GST - Geographic Support Team or Ground Station Technician
GSTDN - Ground Spaceflight Tracking and Data Network
GUI - Graphical User Interface
GXA - Gimbaled X-band Antennae
H
H/W - Hardware
HCR - Hardware Configuration Request
HDF - Hierarchical Data Format
HDR - Header
HDT - High Density Tape
Hex - Hexadecimal
HK - Housekeeping
HPN - Panchromatic Band Header File
HQ - Headquarters
HRV - High Resolution Visible (SPOT sensor)
HTM - Thermal Bands Header File
HTML - Hypertext Markup Language
HTTP - Hypertext Transfer Protocol
HVAC - Heating Ventilation Air Conditioning
HWCI - Hardware Configuration Item
Hz - Hertz
I
I - In-Phase Channel
I/O - Input/Output
I2RV - Improved Inter-Range Vector Message
IAD - Ion-Assisted Deposition
IAS - Image Assessment System
IASICP - IAS Internal Calibrator Pulse
IBM - International Business Machines
IC - Interface Control, International Cooperator, or Internal Calibrator
ICD - Interface Control Document
ICe - Internal Calibrator processing for Emissive bands
ICF - Initial Correction Factor
ICO - International Cooperator Office
ICVS - Independent Calibration and Verification Segment or Independent Characterization and Verification System
ID - Infrastructure Design, Interface Documents, or Identification
IDD - Interface Definitions Document
IDE - Integrated Device Electronics or Infrastructure Development
IDPS - Image Data Processing Subsystem
IE - Infrastructure Element
IEEE - Institute of Electrical and Electronics Engineers
IFOV - Instrument Field of View or Instantaneous Field of View
IGS - International Ground Station
IIRV - Improved Inter-Range Vector
ILI - IGS to LAM Interface
IMF - Inverse Minor Frames
IMP - Information Management Plan
IMS - Information Management System
IMU - Inertial Measurement Unit or Internal Measurement Unit
IMWD - Internet Moving Window Display
IN - Impulse Noise or Ingest
INFOSEC - Information Security
INPE - National Institute for Space Research
IOC - Initial Operational Capability, Initial On-orbit Checkout, Installation Operational Certification, or In-Orbit Checkout
IOE - Instrument Operations Element
IP - Internet Protocol
IPDU - Internet Protocol Data Unit
IPM - IGS Priority Mask Online Tool
IPO - Integrated Program Office
IPR - Intersegment Problem Report
IRD - Interface Requirements Document
IRFP - Implementation Request for Proposal
IRP - Incident Reporting Plan
IRS - Interface Requirements Specification
IRU - Inertial Reference Unit
IRV - Improved Inter-Range Vector Message
ISO - International Standards Organization
IT - Information Technology or Integration Test
ITAR - International Traffic in Arms Regulations
ITC - Integration Test Case
ITS - Information Technology Services
ITSS - Information Technology and Scientific Services
IWG - Interface Working Group
J
JBOD - Just a Bunch Of Disks
JPEG - Joint Photographic Experts Group
JPL - Jet Propulsion Laboratory
K
K - Degrees Kelvin
KB - Kilobyte
kHz - Kilohertz
km - Kilometer
L
L0 - Level 0
L0R - Level 0 Reformatted
L0Ra - Level 0 Reformatted Archive
L0Rp - Level 0 Reformatted Product
L1 - Level 1
L1G - Level 1 Systematic (Corrected)
L1Gt - Level 1 Systematic Terrain (Corrected)
L1P - Level 1 Precision (Corrected)
L1R - Level 1 Radiometric (Corrected)
L1SE - Level 1 Sustaining Engineering
L1T - Level 1 Terrain (Corrected)
L5 - Landsat 5
L7 - Landsat 7
LACS - Landsat Archive Conversion System
LADS - LDCM Archive and Dissemination Segment
LAM - Landsat Archive Manager
LAM AS - LAM Archive Server
LAM008 - Interface Between COI PS and L0Rp PS
LAN - Local Area Network
LAS - Land Analysis System
LASP - Laboratory for Atmospheric and Space Physics
LAT - Latitude
LC - LDCM Contractor
LCC - Lambert Conformal Conic
LCCB - Landsat Configuration Control Board
LCCR - Landsat Configuration Change Request
LCG - Landsat Coordination Group
LCGS - LDCM Contractor Ground Segment
LCSS - LDCM Contractor Space Segment
LDAP - Lightweight Directory Access Protocol
LDB - IAS Local Database
LDCM - Landsat Data Continuity Mission
LDI - LPS Data Ingest or L0Ra Data Ingest
LDIS - LAM to DORRAN Interface System
LDPS - Landsat Data Purchase System
LDRCS - LDCM Document Review Comment Spreadsheet
LDTS - LPS Data Transfer Subsystem
LEI - LAM to ECS Interface
LEM - Lower Equipment Module
Level A - Level Zero Aggregated
LGN - Landsat 7 Ground Network
LGGS - Landsat Global Geodetic Standard
LGS - Landsat 7 Ground System
LGSOWG - Landsat Ground Station Operations Working Group
LHC - Left-Hand Circular
LHCP - Left-hand Circularly Polarized
LHS - Left-hand Side or Left-Hand SLO
LIMB - LAM Interface for Metadata and Browse
LIS - LACS Inventory System
LIS - Landsat Integration System
LITAP - Landsat Intersegment Technical Assessment Panel
LL - Lower Left
LLI - LAM to LACS Interface
LM - Labeled Mask
LMC - Lockheed Martin Corporation
LMD - Landsat Mission Database
LMI - Lower Equipment Module Interface
LMMS - Lockheed Martin Missiles and Space
LON - Longitude
LOOFA - Landsat 7 On-Orbit Flight Automation
LOS - Loss of Signal or Line-of-Sight
LP DAAC - Land Processes Distributed Active Archive Center
LPDS - Level 1 Product Distribution System or LDCM Data Product Specification
LPGS - Level 1 Product Generation System
LPO - LDCM Program Office
LPS - Landsat 7 Processing System
LPSNG - Landsat Processing System Next Generation
LPSO - Landsat Project Science Office
LR - Lower Right
LSATH - High Saturation Radiance
LSATL - Low Saturation Radiance
LSB - Least Significant Bit
LSC - Landsat Security Committee
LSF - Linespread Function
LSO - LDCM Science Office
LSQAT - Landsat Science Quality Assurance Team
LTA - Long Term Archive
LTAP - Long-Term Acquisition Plan
LTAS - Landsat Trending and Analysis System
LTI - Legacy Tape Ingest
LTS - LACS Transcription System
LTWG - Landsat Technical Working Group
LWIR - Long Wavelength Infrared
M
m - meter
MA - Mission Archive or Multiple Access
MAC - Media Access Control
MACS - Monitor and Control Subsystem
MAS - MODIS Archive System
MB - Megabyte
Mbps - Megabit per Second
MCS - Monitor and Control Subsystem
MD - Metrics Database
MDA - MacDonald, Dettwiler, and Associates
MDGLS - Mid-Decadal Global Land Survey
MDS - MMO Database System
ME - Memory Effect
MF - Minor Frame
mf - minor frame
MFPS - Major Frame Processing Subsystem
MGS - MODIS Ground Station
MHz - Megahertz
MISR - Multiangle Imaging SpectroRadiometer
MJF - Major Frame
MLDRCS - Master LDRCS
MLT - Mean Local Time
mm - Millimeter
mm/hr - Millimeters per Hour
MMO - Mission Management Office
MMOIO - Mission Management Office Information Officer
MMOSA - MMO Security Activity
MMOSE - Mission Management Office Systems Engineer
MMR - Mission Requirements Review
MMS - MDGLS Management System or Multimission Modular Spacecraft
MO&DSD - Mission Operations and Data System Directorate
MOA - Memorandum of Agreement
MOC - Mission Operations Center
MODIS - Moderate Resolution Imaging Spectrometer
MODNET - MO&DSD Operational/Development Network
MODTRAN - Moderate Resolution Transmittance atmospheric modeling software
MOPSS - Mission Operations Planning and Scheduling System
MOR - Mission Operations Room
MOU - Memorandum of Understanding
MP - Multi-processor
MPS - MODIS Processing System
MRB - Milestone Review Board
MRR - Mission Requirements Review
ms - millisecond
msb - Most Significant Bit
MSB - Most Significant Byte
MSCD - Mirror Scan Correction Data
MSE - Mission Systems Engineering
MSK - Receive Antenna Horizon Mask Message
MSR - Monthly Status Review
MSS - Multispectral Scanner
MSS-A - Multispectral Scanner - Archive Format
MSS-P - Multispectral Scanner - Processed Format
MSS-X - Multispectral Scanner data, reformatted CCT-X data
MST - Mission Support Team
MTA - Metadata
MTDSS - MS and TM Data Subsetting System
MTF - Modulation Transfer Function
MTFC - Modulation Transfer Function Compensation
MTL - Level 1 Metadata
MTP - Distribution Product Metadata
MTTR - Mean Time to Restore or Mean Time to Repair
mW - milliWatt
MWD - Moving Window Display
N
N/A - Not Applicable
N0 - Noise Density
NARA - National Archive and Records Administration
NASA - National Aeronautics and Space Administration
Nascom - NASA Communications
NASDA - National Space Development Agency (Japan)
NAVOCEANO - Naval Oceanographic Office
NBR - Normalized Burn Ratio
NBR - Navigation Base Reference
NCAS - National Carbon Accounting System
NCC - Network Control Center
NCEP - National Centers for Environmental Prediction
NCSA - National Center for Supercomputing Applications
NDF - NLAPS Data Format
NDP - National Satellite Land Remote Sensing Data Archive (NSLRSDA) Data Package
NDSI - Normalized Difference Snow Index
NEDL - Noise Equivalent Detector Radiance
NEDT - Noise Equivalent Detector Temperature
NEOS - National Earth Orientation Service
NESDIS - National Environmental Satellite Data and Information Service
NewOps - New Operational Procedures System
NFS - Network File System
NGST - Northrop Grumman Space Technology
NISN - NASA Integrated Services Network
NIST - National Institute for Standards and Technology
NITF - National Imagery Transformation Format
NLAPS - National Land Archive Production System
nm - Nanometer
NMAS - National Map Accuracy Standards
NMD - National Mapping Discipline
NN - Nearest Neighbor
NOAA - National Oceanic and Atmospheric Administration
NOC - NUGS Operations Concept
NOLAN - Nascom Operational Local Area Network
NOR - NORAD Two Line Element Message
NORAD - North American Air Defense
NPOESS - National Polar-orbiting Operational Environmental Satellite System
NRZ-L - Non-Return to Zero-Level
NRZ-M - Non-Return to Zero-Mark
NSA - National Security Agency
NSDI - Normalized Snow Difference Index
NSLRSDA - National Satellite Land Remote Sensing Data Archive
NSSDC - National Space Science Data Center
NTE - Not To Exceed
NUGS - NASA-USGS Joint Ground System
NWS - National Weather Service
O
OA - Operations Agreement
OC - Operations Concept
OCC - Operator Control Console or Occurrence
OCD - Operations Concept Document
OCI - Organization Conflict of Interest
ODC - Other Direct Costs
ODL - Object Description Language
OE - Operations Engineer
OFE - Order Fulfillment Element
OIV - On-orbit Initialization and Verification
OLI - Operational Land Imager
OM - Operations and Maintenance
OMA - Oblique Mercator Type A
OMB - Office of Management and Budget or Oblique Mercator Type B
OMS - Optimum Management System
OPS - Operations
Ops Con - Operations Concept
ORR - Operations Readiness Review
OS - Operating System
OSI - Open Systems Interconnection
OTF - Optical Transfer Function
OUI - Operator User Interface
OVAD - Operational Verification Acceptance Document
OWSGUI - Oracle Web Service GUI
P
PAC - Partial Aperture Calibrator
PAN - Production Acceptance Notification or Panchromatic
PAPH - Pseudo Average Pulse Height
PAR - Post Assessment Report
PASC - Partial Aperture Solar Calibrator
PB - Playback
PC - Personal Computer, Polyconic, or Production Control
PCA - Physical Configuration Audit, Physical Channel Access, or Point of Closest Approach
PCD - Payload Correction Data
PCDS - Payload Correction Data Subsystem
PCI - Peripheral Component Interface
PCS - Process Control Subsystem
PCSS - Program Coordinate Systems Standards
PD - Product Distribution
PDD - Presidential Decision Directive
PDF - Portable Document Format or Payload Data Formatter
PDI - Product Delivery Interface
PDPS - USGS – Planning and Data Processing Segment
PDR - Product Delivery Record or Preliminary Design Review
PDRD - Product Delivery Record Discrepancy
PDRM - Product Delivery Receipt Mechanism
PDS - Product Distribution System
PF1 - Poker Flats 1
PFPA - Prime Focal Plan Assembly
PG - Product Generation
PGS - Product Generation System (Generic Name for NLAPS)
PIA - Project Implementation Agreement
PL-DRO - Phase Locked Dielectric Resonance Oscillator
PM - Phase Modulation
PMPDR - Physical Media Product Delivery Record
PMPDRD - Physical Media PDR Discrepancy
PN - Pseudorandom Noise
PNTR - Pointer
POC - Point of Contact
POSC - Petrotechnical Open Software Corporation
PPF - Payload Processing Facility
ppm - Parts Per Million
PRB - Problem Report Message
PRI - Priority Mask Message
PS - Polar Stereographic or Production Server
PSA - Pre Security Assessment
PSD - Power Spectral Density
PSF - Point Spread Function
PSK - Phase Shift Keyed
PSR - Priority/Service Request Mask File
PTP - Primary Transfer Program or Programmable Telemetry Processor
PVCS - Polytron Version Control System
PVL - Parameter Value Language
Q
Q - Quadrature Channel
Q&A - Quality and Accounting
QAA - Quality Assurance Audit
QC - Quality Control
QMM - Landsat Quarterly Management Meeting
QPSK - Quadrature Phase Shift Keying
QWR - Quarterly Web Review
R
R/T - Receive/Transmit
R0C - A stage of Radiometric Processing; Radiometric Calibration
R0R - A stage of Radiometric Processing; Radiometric Artifacts Collection
R1R - A stage of Radiometric Processing; Cosmetic Changes
R21 - Resource 21
RAD - Radiometric
RAID - Redundant Array of Independent Disks
RAM - Random Access Memory
RBV - Return Beam Vidicon
R-C - Resistor-Capacitor
RCC - Raw Computer Compatible
RCN - Revision Control Number
RDCS - Raw Data Capture Subsystem
RDPS - Raw Data Processing Subsystem
RDS - Raw Data Subsetter
RDSS - RCC Data Subsetter
RE - Requirements Engineer and Responsible Engineer
REC - Recovery Time
REL - Relative
REQ - Service Request Message
RF - Radio Frequency
RFP - Request for Proposal
RG - Relative Gain
RGB - Red Green and Blue Color Value
RHC - Right-hand Circular
RHCP - Right Hand Circularly Polarized
RHS - Right-hand Side or Right-hand SLO
RIS24 - 24-bit Raster Image
RM - Requirements Management or Risk Manager
RMD - Risk Management Database
RMP - Requirements Management Plan
RMS - Root-Mean-Square
RMSE - Root Mean Square Error
RN - Random Noise
ROM - Rough Order of Magnitude
RPM - Revolutions per Minute
RPS - Radiometric Processing Subsystem
R-S - Reed-Solomon
RSR - Relative Spectral Responses
RSS - Reuse Subsystem
RT - Real Time
RTA - Roof Top Antenna
RTC - Remote Telemetry and Command Unit
RTCS - Relative Time Command Sequence
S
S&O - Search and Order
S/C - Spacecraft
S/W - Software
SA - Spacecraft Analyst, Single Access, or Systems Administrator
SAC - Satellite Application Centre (South Africa)
SAG - System Administrator Guide
SAIC - Science Applications International Corporation
SAM - Scan Angle Monitor
SAN - Storage Area Network
SANS - System Administration, Networking, and Security Institute
SARR - Security Assessment Response Report
SAT - Site Acceptance Testing
SBRS - Santa Barbara Remote Sensing
SCA - Sensor Chip Assemblies
SCC - System Control Center
SCH - Contact Schedule Message
SCI - Software Configuration Item
SCID - Spacecraft Identifier
SCL - Signal Conditioning Unit - Lower Equipment Module
SCN - Scan
SCP - Standard Controls Processor
SCS - Scan-Correlated Shift, Satellite Checkout Station, or NOAA/IPO Space and Communications Segment
SCSI - Small Computer Software Interface
SD - South Dakota or Scan Direction
SDD - Software Design Document
SDF - Software Development File
SDLT - Super DLT
SDM - Silo Data Manager
SDP - Software Development Plan or Science Data Production
SDPS - Support Data Processing Subsystem
SDS - Scientific Data Set
SDU - Service Data Unit
SE - Systems Engineer
SEB - Source Evaluation Board
SED - Software Engineering Department
SEI - Software Engineering Institute
SelfDef - SelfDefining CMDA format
SEMP - Systems Engineering Management Plan
SEU - Single Event Upset - Anomaly Event
SEV - Severity or Sun-Earth-Vehicle angle
SGI - Silicon Graphics Incorporated
SGS - Svalbard Ground Station or Spitzbergen Ground Station
SHS - Second Half Scan
SHSERR - Second Half Scan Error
SI - Searchable Inventory or Space Imaging
SIG - Signaling
SIR - Scientific Investigations & Research
SITP - Software Integration Test Plan
SL - Scan Line
SLATE - System Level Automation Tool for Enterprises
SLD - Scan Line Data
SLL - Scan Line Length
SLO - Scan Line Offset
SLS - Scan Line Start
SM - Scan Mirror
SMA - S-Band Multiple Access
SME - Scan Mirror Electronics or Subject Matter Expert
SMP - Software Maintenance Plan
SN - Space Network
SNR - Signal-to-Noise Ratio
SO - Search and Order
SOA - Service-Oriented Architecture or Satellite Operator Agency
SOH - State of Health
SOM - Space Oblique Mercator
SON - Statement of Need
SOP - Standard Operating Procedure
SOW - Statement of Work
SPIM - SPOT Image
SPL - Software Project Lead
SPOC - Security Point of Contact
SPOT - Satellite Pour l'Observation de la Terre (Satellite for Earth Observation)
SQL - Structured Query Language
SQRT - Square Root
sr - steradian
SRD - System Requirements Document
SRI - Standard Robot Interface
SRM - Silo Resource Manager
SRR - System Readiness Review
SRS - Software Requirements Specification or System Requirements Specification
SRTM - Shuttle Radar Topography Mission
SRTM - Software Requirements Traceability Matrix or Shuttle Radar Topography Mission
SSA - S-Band Single Access
SSCL - Standard System Control List
SSD - Subsystem Design Document
SSPA - System Security Plan
SSPA - Solid State Power Amplifier
SSR - Solid State Recorder
ST - System Test
STC - System Test Case
STDEV - Standard Deviation
STDN - Spaceflight Tracking and Data Network
STESR - System Test Execution Summary Report
STF - System Transfer Function
STK - StorageTek
STP - System Test Plan
STR - System Test Report
SUM - Summary
SUN - Sun Microsystems, Inc.
SV - Space Vehicle
SVN - Sun-Vehicle-Normal angle
SW - Switch
SWIR - Short Wavelength Infrared
SZA - Solar Zenith Angle
T
T - Temperature
T&C - Telemetry and Command
TAP - Technical Assessment Panel
TAR - Tape Archiver
TAT - Turn-Around-Time
TB - Terabyte
TBD - To Be Determined
TBR - To Be Resolved or To Be Reviewed
TBS - To Be Submitted or To Be Supplied
TCP - Transmission Control Protocol
TCP/IP - Transmission Control Protocol/Internet Protocol
TCXO - Temperature-Compensated Crystal Oscillator
TDF - Tracking Data Formatter
TDR - Test Discrepancy Report
TDRSS - Tracking and Data Relay Satellite System
TE - Test Engineer
TERSS - Tasmanian Earth Resources Satellite Station Consortium
TIFF - Tagged Image File Format
TIM - Technical Interchange Meeting
TLE - Two-Line Element
TLM - Telemetry
TM - Thematic Mapper or Traverse Mercator
TM-A - Thematic Mapper - Archive Format
TMACS - Thematic Mapper and Multispectral Scanner Archive Conversion System
TMIAS - Thematic Mapper Image Assessment System
TM-R - Thematic Mapper - Raw Format
TNS - Transport Network Substrate
TOA - Top of Atmosphere
TPL - Telemetry Packetization Layer
TRR - Test Rediness Review
TSI - Honeywell Technology Solutions Inc.
TSSC - Technical Services Support Contract
TT&C - Telemetry, Tracking, and Control
TT&C - Telemetry Tracking and Control
TURFTS - TDRS Users RF Test Set
U
U/L - Uplink
U/P - Uplink Processor
UDP - Upper Data Point
UG - Users Guide
UI - User Interface
UIS - USGS Inventory Server
UL - Upper Left
UNIX - Bell Laboratories trademark for operating system language and time sharing
UR - Upper Right
URL - Uniform Resource Locator
URP - User Request Parameters
US - United States
USDA - Department of Agriculture
USG - U.S. Government
USGS - U.S. Geological Survey
USPS - United States Postal Service
UT - Universal Time or Unit Test
UT1 - UTC Corrected
UTC - Universal Time Code or Coordinated Universal Time
UTM - Universal Transverse Mercator
V
VAFB - Vandenburg Air Force Base
VAP(s) - Value Added Processor(s)
VAR - Value-Added Resellers
VCA - Virtual Channel Access
VCDU - Virtual Channel Data Unit
VCID - Virtual Channel Identifier
VCLC - Virtual Channel Link Control
VDD - Version Description Document
VDP - Validation Data Products
VER - Version
VF - Valley Forge
VIIRS - Visible Infrared Imager / Radiometer Suite
VM - Version Manager
VMS - Virtual Memory Storage
VNIR - Visible and Near Infrared
W
WB - Wideband
WBDR - Wideband Downlink Report
WBM - Wide-Band Module
WBS - Work Breakdown Structure
WBV - Wide Band Video
WGS - World Geodetic System
WILMA - Wide Long Term Multi-Satellite Archive
WORS - Wallops Orbital Tracking Station
WOTIS - Wallops Orbital Tracking Information Systems
WPS - Wallops Ground Station
WRS - Worldwide Reference System
WRS-2 - Worldwide Reference System-2
WSC - White Sands Complex
WSGT - White Sands (NASA) Ground Terminal
WWW - World Wide Web
X
XML - Extensible Markup Language
XS - Multispectral SPOT sensor
XTX - X-Band Transmitter
Y
YGC - Yaw Gyro Compassing
Z
Z - Zulu time (same as GMT)
Numbers
0R - Zero Reformatted Data
6H - Band 6 - high gain
6L - Band 6 - low gain
U.S. Department of the Interior |
U.S. Geological Survey
