Articles tagged with: E LAURÍA

May 2006 | Comments Off on SIRGAS — a geodetic enterpriseL
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SIRGAS (Sistema de Referencia Geocéntrico para las Américas) is a joint project of South, Central and North American countries in cooperation with some international institutions for the establishment and maintenance of a geocentric reference frame for practical and scientific use. A unique reference frame for the American continent was established by two extremely successful geodetic observation campaigns…