EPSG:11386

COORDINATEOPERATION["Mexico ITRF2008 to NAVD88 height (1)",
    VERSION["INEGI-Mex 2010"],
    SOURCECRS[
        GEOGCRS["Mexico ITRF2008",
            DATUM["Mexico ITRF2008",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,3],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["ellipsoidal height (h)",up,
                    ORDER[3],
                    LENGTHUNIT["metre",1]],
            ID["EPSG",6364]]],
    TARGETCRS[
        VERTCRS["NAVD88 height",
            VDATUM["North American Vertical Datum 1988"],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",5703]]],
    METHOD["Geographic3D to GravityRelatedHeight (txt)",
        ID["EPSG",1082]],
    PARAMETERFILE["Geoid (height correction) model file","GGM10.txt"],
    OPERATIONACCURACY[1.0],
    USAGE[
        SCOPE["Derivation of approximate gravity-related heights from GNSS observations."],
        AREA["Mexico - onshore."],
        BBOX[14.51,-118.47,32.72,-86.68]],
    ID["EPSG",11386],
    REMARK["The internal accuracy of the model is estimated at 20cm. The operation accuracy reflects the qualities of both the model and the levelling network. For reversible alternative to this transformation see Mexico ITRF2008 to Mexico ITRF2008 + NAVD88 height (1) (code 11387)."]]

proj4.defs("EPSG:11386","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=mx_inegi_ggm10.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Transformation",
    "name": "Mexico ITRF2008 to NAVD88 height (1)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "Mexico ITRF2008",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Mexico ITRF2008",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                },
                {
                    "name": "Ellipsoidal height",
                    "abbreviation": "h",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 6364
        },
        "remarks": "Replaces Mexico ITRF92 (CRS code 4482) from December 2010."
    },
    "target_crs": {
        "type": "VerticalCRS",
        "name": "NAVD88 height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "North American Vertical Datum 1988"
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5703
        }
    },
    "method": {
        "name": "Geographic3D to GravityRelatedHeight (txt)",
        "id": {
            "authority": "EPSG",
            "code": 1082
        }
    },
    "parameters": [
        {
            "name": "Geoid (height correction) model file",
            "value": "GGM10.txt",
            "id": {
                "authority": "EPSG",
                "code": 8666
            }
        }
    ],
    "accuracy": "1.0",
    "scope": "Derivation of approximate gravity-related heights from GNSS observations.",
    "area": "Mexico - onshore.",
    "bbox": {
        "south_latitude": 14.51,
        "west_longitude": -118.47,
        "north_latitude": 32.72,
        "east_longitude": -86.68
    },
    "id": {
        "authority": "EPSG",
        "code": 11386
    },
    "remarks": "The internal accuracy of the model is estimated at 20cm. The operation accuracy reflects the qualities of both the model and the levelling network. For reversible alternative to this transformation see Mexico ITRF2008 to Mexico ITRF2008 + NAVD88 height (1) (code 11387)."
}

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=mx_inegi_ggm10.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	<Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=mx_inegi_ggm10.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	</Layer>
</Map>

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 11386, 'EPSG', 11386, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=mx_inegi_ggm10.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');