Online Data Sources
Looking for data on the Web? We have compiled a list of third-party resources for you! If you find a site that we should add or remove, please e-mail us.
Imagery Best Practices
Free imagery sources:
Imagery available for purchase:
Before downloading from these links, please check the list of STK supported terrain formats.
Free terrain sources:
Terrain available for purchase:
Free GIS data:
STK Urban Propagation Extension Data Sources
- STK Urban Propagation Extension Shapefile Requirements
- Commercial Sources
- Government Sources (PKI - SIPRNET - JWICS) - The Army Geospatial Center Urban Tactical Planner database is availible to U.S. government employees and contractors who have access to a classified government server and requires appropriate authorization.
- Tools for creating or editing Shapefiles