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2 datasets found for ""Prime Meridian""

Federal

Prime Meridian

National Oceanic and Atmospheric Administration, Department of Commerce —

The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at...
Federal

Antimeridian

National Oceanic and Atmospheric Administration, Department of Commerce —

The Antimeridian is the +/-180 degree line of longitude, exactly opposite the Prime Meridian. It is often used as the basis for the International Date Line (IDL)...

2 datasets found for ""Prime Meridian""

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