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The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS.The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and World Magnetic Model (WMM).
www.wdc-climate.de: Marine Geology and Geophysics NOAA: National Geophysical Data Center (NGDC) USA 1975 [18] NGDC 1975–2015, NCEI. Solar Activity Observatoire de Meudon: France 1978 Atmospheric Trace Gases Department of Energy Carbon Dioxide Information Analysis Center (CDIAC) USA 1982 ess-dive.lbl.gov: Sunspot Index & Solar Influences SILSO ...
Move a marker on a Google Maps map (map or satellite view) and get Latitude, Longitude for the location. User interface in English language. Mapcoordinates: Map to coordinates: Move a marker on a Google Maps map (map or satellite view) and get Latitude, Longitude and Elevation for the location. User interface in German language. NASA World Wind ...
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A spatial reference system (SRS) or coordinate reference system (CRS) is a framework used to precisely measure locations on the surface of Earth as coordinates.It is thus the application of the abstract mathematics of coordinate systems and analytic geometry to geographic space.
Mapa en Relieve de Guatemala The Relief map of Guatemala was made by Francisco Vela in 1905 and still exists. This map (horizontal scale 1:10,000; vertical scale 1:2,000) measures 1,800 m 2 , and was created to educate children in the scape of their country.
Date: 26 September 2011 (updated 2 November 2018) Source: Own work based on: the article Internet censorship and surveillance by country as well as the classifications from Reporters Without Borders, the OpenNet Initiative, the Freedom on the Net reports from Freedom House, and the Country Reports on Human Rights Practices of the U.S. Department of State
The geographic center of the 48 contiguous or conterminous United States, determined in a 1918 survey, is located at , about 2.6 miles (4.2 km) northwest of the center of Lebanon, Kansas, approximately 12 miles (19 km) south of the Kansas–Nebraska border