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fDesc[0] = "Elk SRTM Topography is a tool designed to generate Revit topographies using HGT files. There are two SRTM formats that the SRTM Topo tool works with, SRTM1 which contains samples at a resolution of 1 arc second (about 100') and SRTM3 which is at a resolution of 3 arc seconds (about 300').";

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