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Royal Observatory Greenwich
Latitude and Longitude
Airy Transit Circle (ATC)
WGS84 and the Greenwich Meridian
The Greenwich Meridian before the ATC
The Quest for Longitude
International Meridian Conference (1884)
Meridian Day (1984)
The Millennium
Millennium Tree Line (MTL)
Meridian Laser
Astronomers Royal
Telescopes used with Meridian Marks
 
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Location
Distance (S) from Greenwich
WGS84 lat/long,
Greenwich Meridian Marker
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South
Currently viewing images from 31 Jan 2013
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31 Jan 2013