| ACCA |
Automatic Cloud Cover Assessment |
| AGS |
Alaska Ground Station |
| AKM |
Apogee Kick Motor |
| AU |
Astronomical Unit |
| BRDF |
Bidirectional Reflection Distribution Function |
| CADU |
Channel Access Data Units |
| CCSDS |
Consultative Committee for Space Data Systems |
| CN |
Coherent Noise |
| COFUR |
Cost Of Fulfilling User requests |
| CPF |
Calibration Parameter File |
| CRAM |
Combined Radiometric Correction Model |
| DFCB |
Data Format Control Book |
| DN |
Background Noise |
| DOQ |
Digital Orthophoto Quadrangle |
| ECS |
EOSDIS Core System |
| EDC |
EROS Data Center |
| EDC-DAAC |
EROS Data Center - Distributed Active Archive Center |
| EOS |
Earth Observing System |
| EOSAT |
Earth Observation Satellite Company |
| EOSDIS |
EOS Data and Information System |
| EPGS |
EOS Polar Ground Sites |
| EROS |
Earth Resources Observation Systems |
| ETM |
Enhanced Thematic Mapper |
| ETM+ |
Enhanced Thematic Mapper Plus |
| FAC |
Full Aperture Calibrator |
| FASC |
Full Aperture Solar Calibrator |
| FDF |
Flight Dynamics Facility |
| FOM |
Flight Operations Manager |
| FOT |
Flight Operations Team |
| FTP |
File Transfer Protocol |
| GeoTIFF |
Geographic Tagged Image File Format |
| GSD |
Ground Sample Distance |
| HDF |
Hierarchical Data Format |
| IAD |
Ion Assisted Deposition |
| IAS |
Image Assessment System |
| IC |
Internal Calibrator |
| IFOV |
Instantaneous Field of View |
| IGS |
International Ground Stations |
| IOC |
Initial On-orbit Checkout |
| IR |
Infrared |
| JPL |
Jet Propulsion Laboratory |
| LGN |
Landsat Ground Network |
| LGS |
Landsat Ground Station |
| LP-DAAC |
Land Processes Distributed Active Archive Center |
| LPGS |
Level-1 Product Generation System |
| LPS |
Landsat Processing System |
| LTAP |
Long Term Acquisition Plan |
| ME |
Memory Effect |
| MOC |
Mission Operations Center |
| MMS |
Multimission Modular Spacecraft |
| MSCD |
Mirror Scan Correction Data |
| MSS |
MultiSpectral Scanner |
| MTF |
Modulation Transfer Function |
| NASCOM |
NASA Communications Division |
| NCEP |
National Centers for Environmental Prediction |
| NISN |
NASA Integrated Services Network |
| NLAPS |
National Landsat Archive Production System |
| NOAA |
National Oceanic and Atmospheric Administration |
| PAC |
Partial Solar Calibrator |
| PCD |
Payload Correction Data |
| SBRS |
Santa Barbara Remote Sensing |
| SCS |
Scan Correlated Shift |
| SGS |
Svalbard Ground Station |
| SLC |
Scan Line Corrector |
| SMA |
Scan Mirror Assembly |
| SME |
Scan Mirror Electronics |
| SNR |
Signal to Noise Ratio |
| SSR |
Solid State Recorder |
| SWIR |
Short Wave Infrared |
| SZA |
Solar Zenith Angle |
| TDRS |
Tracking Data and Relay Satellites |
| TM |
Thematic Mapper |
| TOA |
Top-of-Atmosphere |
| USAF |
United State Air Force |
| USGS |
United States Geological Survey |
| VNIR |
Visible & Near Infrared |
| WFF |
Wallops Flight Facility |
| WGS |
World Geodetic System |
| WRS |
Worldwide Reference System |