El día Friday 14 May 2010 19:14:35, John Smith dijo: > Since the advent of satellites spinning round the globe, and more > specifically the GPS cluster of satellites, they now use the centre of > the mass of the earth.
Problem is, the center of mass moves along with the continental drift. Have you heard of gravimetrics? You can have looooots of fun with it. -- Iván Sánchez Ortega <[email protected]> Un ordenador no es una televisión ni un microondas: es una herramienta compleja. _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
