The IceBridge Narrow Swath ATM L1B Elevation and Return Strength, Version 2 data set has been updated through 16 November 2018 to include data from the 2018 Antarctic campaign data at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains spot elevation measurements of Greenland, Arctic, and Antarctic sea ice acquired by the NASA Airborne Topographic Mapper (ATM) narrow-swath instrumentation.
Data Set DOI: https://doi.org/10.5067/CXEQS8KVIXEI