EPSG
Instituto Geografico Agustin Codazzi (IGAC) resolution 715/2018 and SIRGAS2017 symposium presentation "Implementación de la Actualización del Marco Geocéntrico de Referencia MAGNA-SIRGAS" by Diego Cortés et al.
2023-02-02
Geodesy.
Active network referenced to ITRF2008@2011.76 and passive network referenced to ITRF94@1995.4 updated to ITRF2014 using IERS transformations EPSG:7790 and EPSG:8075 respectively then VEMOS2009 velocity model applied to bring coordinates to epoch 2018.0.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Marco Geocentrico Nacional de Referencia 2018", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank.", "bbox": { "south_latitude": -4.23, "west_longitude": -84.77, "north_latitude": 15.51, "east_longitude": -66.87 }, "id": { "authority": "EPSG", "code": 1329 } }