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DTED Level 0 GeoCommunity Your Price: $99.95 Worldwide Data Bundle for DTED Level 0 Size: 915 MB Digital Terrain Elevation Data (DTEDŽ) Level 0 product is a uniform matrix of terrain elevation values which provides basic quantitative data for systems and applications that require terrain elevation, slope, and/or surface roughness information. DTEDŽ Level 0 elevation post spacing is 30 arc second (nominally one kilometer). In addition to this discrete elevation file, a separate binary file provides the minimum, maximum, and mean elevation values computed in 30 arc second square areas (organized by one degree cell). Finally, DTEDŽ Level 0 contains the NIMA Digital Mean Elevation Data (DMED) providing minimum, maximum, and mean elevation values and standard deviation for each 15 minute by 15 minute area in a one degree cell. This initial prototype release is a "thinned" data file extracted from the NIMA DTEDŽ Level 1 holdings where available and from the elevation layer of NIMA VMAP Level 0 to complete near world wide coverage.