The download location has changed for the Pre-IceBridge MCoRDS L2 Ice Thickness, Version 1 data set, which is now part of the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains depth sounder measurements of ice elevation, ice surface, ice bottom, and ice thickness over Greenland and Antarctica, acquired by the Multichannel Coherent Radar Depth Sounder (MCoRDS) from 23 June 1993 through 23 September 2007.
Data Set DOI: https://doi.org/10.5067/QKMTQ02C2U56