EPSG
National Densifications per http://www.sirgas.org. See also www.fig.net/pub/cairo/papers/ts_13/ts13_03_hansen.pdf.
2017-07-14
Geodesy.
Realized by a frame of 15 active GPS stations observed and adjusted in the ITRF1992. Includes ties to tide gauges. Replaces NAD27 (datum code 6267). Replaced by Mexico ITRF2008 (datum code 1120) from December 2010.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Mexico ITRF92", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "Mexico - onshore and offshore.", "bbox": { "south_latitude": 12.1, "west_longitude": -122.19, "north_latitude": 32.72, "east_longitude": -84.64 }, "id": { "authority": "EPSG", "code": 1042 } }