Overview
NSIDC archives and distributes Level-1 and Level-3 data from the Nimbus Data Rescue Project. These data sets consist of digitized black-and-white film images and infrared radiometer data obtained during the 1960s and 70s with the IDCS, AVCS, HRIR, and THIR sensors on board the Nimbus 1, Nimbus 2, Nimbus 3, Nimbus 4, Nimbus 5, Nimbus 6, and Nimbus 7 satellites.