Mar 16, 2015 • [Source: USGS Landsat] On March 13, 2015 at 4:00 pm CT, processing of Landsat 8 Thermal Infrared Sensor (TIRS) data resumed. The newly processed data includes the revised Calibration Parameter Files established after the mechanism control electronics (MCE) swap on March 2, 2015. Investigations are continuing to improve the data product, and reprocessing of TIRS data acquired since December 19, 2014 is still planned according to the March 6, 2015 Headline.