ICESat data are distributed by the National Snow and Ice Data Center (NSIDC). GLAS produces 16 data products including Levels 1A, 1B, and 2 laser altimetry and atmospheric lidar data. Full and subsetted Data, data readers, and data visualization tools may be downloaded from NSIDC.
NSIDC Visualization of ICESat shot in Google Earth over Anchorage AK (Download, KML 4Kb).