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NASADEM SRTM Subswath Global 1 arc second V001 is a digital elevation model produced by NASA's Land Processes DAAC. The dataset provides global Shuttle Radar Topography Mission (SRTM) sub-swath elevation data at 1 arc second spacing, covering land between 60° N and 56° S latitude, accounting for about 80% of Earth's landmass. It was derived from original SRTM telemetry data collected during the STS-99 mission in February 2000, with reprocessing improvements including the use of ASTER GDEM, ICESat GLAS ground control points, and void filling.
License is listed as 'other-license-specified'; users should review terms before use. Data is distributed in multiple file formats including JPEG, BIN, ISO, HTML, and PDF.