Appendix A: Glossary of Terms and Acronyms

ACU         Antenna Control Unit
DEM         Digital Elevation Model
EDC         EROS Data Center
EROS        Earth Resources Observation System
ESA         European Space Agency
GAC         Global Area Coverage
GLIS        Global Land Information System
HDT         High Density Tape recorder
HRPT        High Resolution Picture Transmission
ICT         Internal Calibration Target (blackbody)
LAC         Local Area Coverage
LAS         Land Analysis System     
LT          Label Table
LUT         Look Up Tables
NASA        National Aeronautics and Space Administration
NESS        National Environmental Satellite Service
NESDIS      National Environmental Satellite and Information Service
NBS         National Bureau of Standards
NDVI        Normalized Difference Vegetation Index
NOAA        National Oceanic and Atmospheric Administration
PDF         Program Definition File
PRT         Platinum Resistance Thermometers
RSMAS       Remote Sensing Group of the Rosentheil School of Marine and
            Atmospheric Science (University of Miami)
TAE         Transportable Application Executive
TIP         TIROS Information Processor
USGS        United States Geological Survey
WDBII       World Data Band II

DOMSAT      Commercial communications satellite used to relay direct
            receive and recorded data from NOAA receiving stations
            to Suitland, Maryland

TBUS
NAVSPASUR   Navy Space Surveillance (source of ephemeris information)
ephemeris