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Federal
U.S. Census Grids (Summary File 3), 1990: Metropolitan Statistical Areas
National Aeronautics and Space Administration —
The U.S. Census Grids (Summary File 3), 1990: Metropolitan Statistical Areas data set contains grids of demographic and socioeconomic data from the year 1990 U.S.... -
Federal
CYGNSS Level 1 Science Data Record Version 3.0
National Aeronautics and Space Administration —
This Level 1 (L1) dataset contains the Version 3.0 geo-located Delay Doppler Maps (DDMs) calibrated into Power Received (Watts) and Bistatic Radar Cross Section...