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Null Island is the location at zero degrees latitude and zero degrees longitude ... correct database entries that have erroneously been assigned the coordinates 0,0.
Let's take a point of latitude and of longitude and compute its UTM coordinates as well as point scale factor and meridian convergence using a reference meridian of longitude . By convention, in the northern hemisphere N 0 = 0 {\displaystyle N_{0}=0} km and in the southern hemisphere N 0 = 10000 {\displaystyle N_{0}=10000} km.
EPSG:4326 - WGS 84, latitude/longitude coordinate system based on the Earth's center of mass, used by the Global Positioning System among others. EPSG:3857 - Web Mercator projection used for display by many web-based mapping tools, including Google Maps and OpenStreetMap.
The WGS 84 meridian of zero longitude is the IERS Reference Meridian, [8] 5.3 arc seconds or 102 metres (335 ft) east of the Greenwich meridian at the latitude of the Royal Observatory. [ 9 ] [ 10 ] (This is related to the fact that the local gravity field at Greenwich does not point exactly through the Earth's center of mass, but rather ...
Longitude: the prime meridian on any planet or moon For most of the 20th century on Earth, the prime meridian (Greenwich) IERS Reference Meridian, the modern reference meridian for time and global navigation on Earth; Latitude: the equator; freezing point of water (Celsius) absolute zero, the lower limit of the thermodynamic temperature scale ...
Block Organization IANA date RIR date Notes 12.0.0.0/8: AT&T Services: 1995-06: 1983-08-23: Originally AT&T Bell Laboratories, but retained by AT&T when Bell Labs was spun off to Lucent Technologies in 1996.
The calculation is essentially the conversion of the equatorial polar coordinates of Mecca (i.e. its longitude and latitude) to its polar coordinates (i.e. its qibla and distance) relative to a system whose reference meridian is the great circle through the given location and the Earth's poles and whose polar axis is the line through the ...
GeoJSON [1] is an open standard format designed for representing simple geographical features, along with their non-spatial attributes.It is based on the JSON format.. The features include points (therefore addresses and locations), line strings (therefore streets, highways and boundaries), polygons (countries, provinces, tracts of land), and multi-part collections of these types.