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Nimbus Advanced Vidicon Camera System Remapped Visible Imagery Daily L3, HDF5 V001

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Catalog Last Checked: June 16, 2026 at 10:26 PM | Dataset Last Updated: July 17, 2025
This data set (NmAVCS3H) consists of daily, global image composites constructed from Nimbus 1 (1964) and Nimbus 2 (1966) Advanced Vidicon Camera System (AVCS) imagery. Each composite is provided as a set of three HDF5-formatted files: separate North and South Polar projections in the 5 km Equal-Area Scalable Earth Grid (EASE-Grid) and an equatorial projection in a 10 km equidistant grid for the region between 60 N and 60 S.

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