• On Wednesday, February 19 from 9:00 a.m. to 3:30 p.m. (US Mountain Time), the following data collections may not be available due to a planned system maintenance: ASO, AMSR Unified, AMSR-E, Aquarius, High Mountain Asia, IceBridge, ICESat/GLAS, ICESat-2, LVIS, MEaSUREs, MODIS, Nimbus, SMAP, SnowEx, SSM/I-SSMIS and VIIRS. Users of the SMAP near real-time products should use the NASA LANCE HTTPS File System for data access. 

  • This data set will be retired and no longer available for download in March 2025. We recommend using the IceBridge Sander AIRGrav L1B Geolocated Free Air Gravity Anomalies, Version 2 data set as an alternative.

Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

Data Access & Tools

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