Definitions for "Thematic mapper"
(TM) TM is an electromagnetic sensor onboard LANDSAT 4 and 5 capable of viewing seven spectral bands. See Also: LANDSAT
An imaging device carried by the later Landsat satellites which records scenes in seven wavebands, six in the visible and reflective infrared, with a resolution of 30 m, and one in the thermal infrared with a resolution of 120 m.
Remote sensor designed to create maps of different surface feature categories or "themes." TM has a spatial resolution of 98 ft and is capable of collecting data on seven different bands.