Definition: Radiometric Resolution
Land Use/Land Cover
Radiometric resolution refers to the dynamic range, or the number of different output levels used to record the radiant energy for a single measurement. The dynamic range of the most common satellite data is 7 bits or 128 different levels (Landsat MSS, IRS), or 256 levels (8 bits) for Landsat TM, ETM.
Eurostat, "Manual of concepts on land cover and land use information systems (2000 Edition)", Office for Official Publications of the European Communities, Luxembourg, 2001