Digital Data Services, Inc., through our partnership with Intermap Technologies, is pleased to offer the NEXTMap® USA Digital Elevation Products. This 5 meter resolution product is delivered as either a Digital Terrain Model (DTM) or a Digital Surface Model (DSM). The data coverage includes all of the United States, excluding Alaska.

The high-quality 3D digital mapping data afforded by Intermap Technologies' proprietary airborne interferometric synthetic aperture radar (IFSAR) technology meet the demanding needs of a wide range of geospatial applications, such as base mapping, watershed analysis, image rectification, and line-of-sight analysis. The IFSAR DEMs, collected as part of Intermap's NEXTMap® countrywide mapping program, are predominantly accurate to 1 vertical meter.