MACDEM - Digital Elevation Model Sources
http://www.treeswallow.com/macdem/sources.html
DEM Files - Where to Get Them
Format Resolution Coverage
Seamless (below) 1 arcsec (~30 m)
1/3 arcsec (~10 m) U.S.
1-degree DEM (below) 3 arcsec (~100 m) U.S.
7.5-minute DEM (below) 30 m U.S.
DTED Level 0 (below) 30 arcsec (~1 km) Worldwide
GTOPO30 (USGS) 30 arcsec (~1 km) Worldwide
GLOBE (NOAA) 30 arcsec (~1 km) Worldwide
TerrainBase (NOAA)
(get .bin and .hdr file) varies Worldwide
.....
Please note that the above details were correct on the day this post was published. To suggest an update, please email the site's editor at tmciolek@ciolek.com
DEM Files - Where to Get Them
Format Resolution Coverage
Seamless (below) 1 arcsec (~30 m)
1/3 arcsec (~10 m) U.S.
1-degree DEM (below) 3 arcsec (~100 m) U.S.
7.5-minute DEM (below) 30 m U.S.
DTED Level 0 (below) 30 arcsec (~1 km) Worldwide
GTOPO30 (USGS) 30 arcsec (~1 km) Worldwide
GLOBE (NOAA) 30 arcsec (~1 km) Worldwide
TerrainBase (NOAA)
(get .bin and .hdr file) varies Worldwide
.....
Please note that the above details were correct on the day this post was published. To suggest an update, please email the site's editor at tmciolek@ciolek.com