Version 2 of the AMSR-E Sea Ice data sets will only be available from NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) until 16 February 2015 through the Data Pool

AMSR-E
Advanced Microwave Scanning Radiometer - Earth Observing System Sensor on the NASA Aqua Satellite
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Data Announcements
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The AMSR-E Science Investigator-led Processing System (SIPS) has completed reprocessing of the AMSR-E sea ice data sets to Version 3. The following data sets are now available at the NASA National
The AMSR-E Science Investigator-led Processing System (SIPS) has updated the following AMSR-E sea ice data sets to Version 3: AMSR-E Aqua Daily L3 6.25 km 89 GHz Brightness Temperature Polar Grids
Beginning 10 Feb. 2014, Version 2 AMSR-E/Aqua L2A Global Swath Spatially-Resampled Brightness Temperatures will no longer be available from NSIDC. Version 3 of the AMSR-E/Aqua L2A Global Swath
Notice to Users of AMSR-E, ICESat/GLAS, IceBridge, MODIS and NISE Data. The FTP location for accessing AMSR-E, ICESat/GLAS, IceBridge, MODIS, and NISE data changed in October from n4ftl01u.ecs.nasa