Recent announcement from USGS: OrbView-3 satellite images collected around the world between 2003 and 2007 by Orbital Imaging Corporation (now GeoEye) at up to one-meter resolution can now be downloaded... read more →

Here are the results of a short test of the satellite tracking by the Trimble R6 rover with GLONASS under forest canopy in Laos. At the time, we were tracking... read more →

I initially got pretty excited by this discovery on http://earthexplorer.usgs.gov/ as some of the imagery is 2-4 ft in resolution and dates from the mid-60's to mid-70's. It was de-classified... read more →