SIRGAS: Basis for Geosciences, Geodata, and Navigation in Latin America

BRUNINI C.; L.SANCHEZ; M. V. MACKERN; W. MARTINEZ; R. TEIXERA LUZ

Rio de Janeiro

Congreso; Latin American Geospatial Forum; 2011

Instituto Brasilero de Geografía y Estadística

SIRGAS is a densification of the global network ITRF reference network (regional densification of the ITRF) National reference networks: local densifications of SIRGAS SIRGAS realization 8 -to guarantee consistency between terrestrial reference stations and GNSS satellite orbits; -to make the global reference frame available at national and local levels. As the global ITRF is extended by SIRGAS in Latin America; SIRGAS is extended in our countries by the national reference networks.