EPSG:1400

IGb20

Attributes

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: International GNSS Service (IGS), "Switch to IGb20 reference frame", IGSMAIL-8543, https://igs.org/

Revision date: 2025-01-21

Scope: Geodesy.

Remarks: Used for IGS products from GPS week 2352 (2025-02-02). Replaces IGS20. Compared to IGS20, IGb20 contains 11 new stations, mostly in previously sparsely covered areas. For all practical purposes coincident with ITRF2020-u2023.

Area of use: World.

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WGS84 bounds:
179.9 -85.0
-179.9 85.0

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Definition: OGC Well Known Text

DATUM["IGb20",
    SPHEROID["GRS 1980",6378137,298.257222101,
        AUTHORITY["EPSG","7019"]],
    AUTHORITY["EPSG","1400"]]

Definition: OGC Well Known Text 2 (2019)

DYNAMIC[
    FRAMEEPOCH[2015]],
DATUM["IGb20",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",1400]]

Definition: ESRI Well Known Text

DATUM["D_IGb20",
    SPHEROID["GRS_1980",6378137.0,298.257222101]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "DynamicGeodeticReferenceFrame",
    "name": "IGb20",
    "frame_reference_epoch": 2015,
    "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": 1400
    }
}

Definition: GeoServer

1400-datum=DATUM["IGb20",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1400"]]