

Digital Terrain Elevation Data (DTED) - Elevation data produced and
supplied by the Defense Mapping Agency (\DMA\); the \digital\
equivalent of the elevation data on a \topographic map\.  Currently
available at two \resolutions\; Level 1 (DTED-1) data has resolution
of roughly 100 meters, while Level 2 (DTED-2) data has a resolution
of roughly 30 meters.
