SRTM Shuttle Radar Topography Mission
Remote Sensing

SRTM Shuttle Radar Topography Mission

During an 11-day mission, Space Shuttle Radar Topography (SRTM) mission captured Earth’s elevation at 1 arc-second (30 meters) for over 80% of the Earth.

blue marble global mapper software
Software

Global Mapper by Blue Marble

Global Mapper by Blue Marble is a 64-bit user-friendly GIS application. It has powerful, intuitive interface especially with LiDAR and terrain mapping.

Data Sources

How to Download USGS Topo Maps for Free

If you’re looking for topographic maps (contours, place names & hydrography) for the United States, the first place to look is the USGS topo maps series.

Helpful Resources

Analysis

Data Sources

Remote Sensing

Maps & Cartography

GIS Career

Software

css.php