.HGT File Extension

NASA SRTM Terrain Data File

Data File
Used by NASA's Shuttle Radar Topography Mission (SRTM), these are data files that contain terrain information.

These .HGT (height) files are in binary format and each file contains terrain data of one-degree-of-latitude by one-degree-of-longitude block of Earth's surface.

Other .HGT file extensions
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    Comments (1)
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    2010-03-04 17:56:58
    These contain terrain height data. One of programs which open it is Radio Mobile.