The Revised Draft Imagery Requirements supplement for the thermal imaging option is now available for review and comment. The Imagery Requirements supplement is a subset of the Space Segment Requirements Document. It contains only the algorithm, spectral band, radiometry, and geometric instrument requirements. Please provide comments pertaining to this document to Patricia Dombrowski by June 30 , 2006.

Ten Years of TIRS: Data for a Thirsty World
Landsat 8 very nearly flew without a thermal infrared sensor. This is the backstory of how TIRS made it onto Landsat 8.