On Friday, 06 November 2015 from 8:00 a.m. to 5:00 p.m. (USA Mountain Time), our FTP services, which also includes automated data requests from services such as Polaris and the GLAS Subsetter, will be unavailable because of system maintenance. We apologize for any inconvenience this may cause you.
Ice, Cloud, and land Elevation / Geoscience Laser Altimeter System
The ICESat/GLAS Date Conversion Tool includes several options for obtaining information related to laser track start time. To use the tool, use only one of the conversion options at a time. For example, to find time data for Day 236 of Year 2006, use the third option below and fill in the Day of Year and Year fields, and click Convert.