Ich verstehe das nicht.

Moderatoren: Asifish, king-pat
aber irgendwie funzt das mit diesen satellitenfotos bei mir auch net...When was this imagery photographed?
Depends on the layer. The NLT Landsat7 and OnEarth Landsat7 are from 1999 to 2003, with 2000 being the most active year. The USGS 1m Digital Ortho varies more. It was taken from 1990 to 2000. Search for a US location though TerraServer® (http://terraserver.com/search/search.asp) and look for the USGS entry. The USGS Topo maps vary from within the past few years to more than a decade ago. Streets and building locations in particular may be quite out of date even if the terrain has changed little. USGS Urban Area Ortho dates from 2001 to 2004 and some areas are still being photographed, you can see the dataset ages at the USGS site (http://seamless.usgs.gov/website/seamle ... fortho.asp).