Radio Mobile - RF propagation simulation software
-
Bookmark This site

DTED

From Wikipedia, the free encyclopaedia.

DTED (or Digital Terrain Elevation Data) was originally developed in the 1970s to support aircraft radar simulation and prediction.

DTED supports many applications, including line-of-sight analyses, terrain profiling, 3-D terrain visualization, mission planning/rehearsal, and modelling and simulation. DTED is a standard NGA product that provides medium resolution, quantitative data in a digital format for military system applications that require terrain elevation.

The DTED format for level 0, 1 and 2 is described in U.S. Military Specification Digital Terrain Elevation Data (DTED) MIL-PRF-89020B, and amongst other parameters describes the resolution for each level:

  • Level 0 has a post spacing of 30 arc seconds in latitude direction (ca. 900 meters)
  • Level 1 has a post spacing of 3 arc seconds (ca. 90 meters)
  • Level 2 has a post spacing of 1 arc seconds (ca. 30 meters)

In addition three more levels (3, 4 and 5) at increasing resolution have been proposed, but not yet standardized.

powered by CMSimple_XH | cmsimple-styles.com template modified by PE1MEW