Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

NASA Distributed Active Archive Center (DAAC) at NSIDC


Data from Defense Meteorological Satellite Program (DMSP) Sensors

Data Sets

The following table categorizes the types of SMMR and SSM/I-SSMIS products available from NSIDC. Select a product link from the left column to be directed to the corresponding product Web sites for data access, data documentation, and additional information.


Product Web Site Product Description
EASE-Grid SMMR and SSM/I-SSMIS Data Sets Global-scale gridded SMMR and SSM/I-SSMIS data
Polar Stereographic SMMR and SSM/I-SSMIS Data Sets SMMR and SSM/I-SSMIS data in polar stereographic maps with relatively little distortion at the poles

For a quick summary of EASE-Grid and Polar Steregraphic brightness temperature data sorted by date and platform, please refer to the SSM/I-SSMIS Brightness Temperature Data Availability page.