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* '''[http://earth-info.nga.mil/gns/html/ GEOnet Names Server (GNS)]'''
 
* '''[http://earth-info.nga.mil/gns/html/ GEOnet Names Server (GNS)]'''
 
**The GEOnet Names Server (GNS) provides access to the National Geospatial-Intelligence Agency's (NGA) and the U.S. Board on Geographic Names' (US BGN) database of foreign geographic feature names. The database is the official repository of foreign place-name decisions approved by the US BGN. Approximately 20,000 of the database's features are updated monthly.
 
**The GEOnet Names Server (GNS) provides access to the National Geospatial-Intelligence Agency's (NGA) and the U.S. Board on Geographic Names' (US BGN) database of foreign geographic feature names. The database is the official repository of foreign place-name decisions approved by the US BGN. Approximately 20,000 of the database's features are updated monthly.
**Geographic Area of Coverage: Worldwide excluding the United States and Antarctica. For names in the U.S. and Antarctica, visit the United States Geological Survey (USGS) Geographic Names Information System (GNIS) web site.
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**Geographic Area of Coverage: Worldwide excluding the United States and Antarctica. For names in the U.S. and Antarctica, visit the United States Geological Survey (USGS) Geographic Names Information System ([[GNIS]]) web site.
 
**The GNS contains 4.0 million features with 5.5 million names (approximate).
 
**The GNS contains 4.0 million features with 5.5 million names (approximate).
 
**The coordinate system for data served by GNS is WGS84.
 
**The coordinate system for data served by GNS is WGS84.
 
**Coordinates in the GEOnet Names Server are approximate and are intended for finding purposes only.
 
**Coordinates in the GEOnet Names Server are approximate and are intended for finding purposes only.
 
**The online database is updated on a bi-weekly schedule.
 
**The online database is updated on a bi-weekly schedule.

Version vom 28. September 2005, 13:27 Uhr

Weltweit

  • VMAP (Vector Map), ein weltweites vektor-basiertes topographisch-kartographisches Informationssystem der NATO, das von der National Geospatial-Intelligence Agency, der militär-geographischen Behörde der USA, herausgegeben wird. VMAP Level 0 (entspricht etwa dem Maßstab 1:1.000.000) ist frei verfügbar.
  • NOAA's National Geophysical Data Center (NGDC)
    NOAA's National Geophysical Data Center (NGDC) provides scientific stewardship, products, and services for geophysical data from the Sun to the Earth and Earth's sea floor and solid earth environment, including Earth observations from space.
  • ESRIs Geography Network - Online Portal zur Recherche von freien Daten (für Europa/Deutschland nur eingeschränkt)
  • GEOnet Names Server (GNS)
    • The GEOnet Names Server (GNS) provides access to the National Geospatial-Intelligence Agency's (NGA) and the U.S. Board on Geographic Names' (US BGN) database of foreign geographic feature names. The database is the official repository of foreign place-name decisions approved by the US BGN. Approximately 20,000 of the database's features are updated monthly.
    • Geographic Area of Coverage: Worldwide excluding the United States and Antarctica. For names in the U.S. and Antarctica, visit the United States Geological Survey (USGS) Geographic Names Information System (GNIS) web site.
    • The GNS contains 4.0 million features with 5.5 million names (approximate).
    • The coordinate system for data served by GNS is WGS84.
    • Coordinates in the GEOnet Names Server are approximate and are intended for finding purposes only.
    • The online database is updated on a bi-weekly schedule.