Shuttle Radar Topography Mission (SRTM)
$199 (click here to add to cart)
Specifications
Format - GeoTIFF with statistics, .aux & .rrd files
Resolution - 1 Arc Second (~30m resolution)
Extent - Continental United States, Southern coastal Alaska, territories
Projection - Geographic
Horizontal Datum - WGS84
Vertical Datum - WGS84/EGM 96 geoid
Vertical Units - Meters
Version 2 "Finished" Data
NOTE: Version 2 is the result of a substantial editing effort by the National Geospatial Intelligence Agency and exhibits well-defined water bodies and coastlines and the absence of spikes and wells (single pixel errors), although some areas of missing data ('voids') are still present.
USGS NED30
National Elevation Dataset
Nationwide $399 (add to cart)
Just Your State $149 (add to cart)
email your state name
Specifications
Format - GeoTIFF with statistics, .aux & .rrd files
Resolution - 1 Arc Second (~30m resolution)
Extent - Continental United States
Projection - Local UTM in one degree quadrangles
Horizontal Datum - NAD83
Vertical Datum - NAVD88
Vertical Units - Meters
