The DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 4 data set, distributed by the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been extended through 2 October 2018. Data at 85.5 GHz and 91.7 GHz are gridded at a resolution of 12.5 km, with all other frequencies at a resolution of 25 km.
Data Set DOI: https://doi.org/10.5067/AN9AI8EO7PX0