World Wind server usage

Official layer usage maps from NASA.

Copy Heatmaps.xml into Config\Earth to view the maps in World Wind.

NLT Landsat7 (Visible Colors)

 * Last 7 days
 * Last 24 hours
 * Last 12 hours
 * Last 6 hours
 * Last 3 hours

Blue Marble Next Generation

 * Last 7 days
 * Last 24 hours
 * Last 12 hours
 * Last 6 hours
 * Last 3 hours

USGS Digital OrthoImagery

 * Last 7 days
 * Last 24 hours
 * Last 12 hours
 * Last 6 hours
 * Last 3 hours

USGS Topographic Imagery

 * Last 7 days
 * Last 24 hours
 * Last 12 hours
 * Last 6 hours
 * Last 3 hours

USGS Urban Area Orthoimagery

 * Last 7 days
 * Last 24 hours
 * Last 12 hours
 * Last 6 hours
 * Last 3 hours

World SRTM30+ Elevation

 * Last 7 days
 * Last 24 hours
 * Last 12 hours
 * Last 6 hours
 * Last 3 hours

Geocover 2000

 * Last 7 days
 * Last 24 hours
 * Last 12 hours
 * Last 6 hours
 * Last 3 hours