EPSG
US National Geodetic Service (NGS), http://www.ngs.noaa.gov/CORS/
2020-08-31
Geodesy.
Used for IGS products from GPS week 1632 through GPS week 1708 (2011-04-17 through 2012-10-06). Replaces IGS05. Replaced by IGb08. For all practical purposes coincident with ITRF2008.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "DynamicGeodeticReferenceFrame", "name": "IGS08", "frame_reference_epoch": 2005, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "World.", "bbox": { "south_latitude": -90, "west_longitude": -180, "north_latitude": 90, "east_longitude": 180 }, "id": { "authority": "EPSG", "code": 1141 } }