EPSG:9530 — RGFG95 + NGG1977 height

COMPOUNDCRS[
    "RGFG95 + NGG1977 height",
    GEOGCRS[
        "RGFG95",
        DATUM[
            "Reseau Geodesique Francais Guyane 1995",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ID["EPSG",6624]
        ],
        CS[ellipsoidal,2,ID["EPSG",6422]],
        AXIS["Geodetic latitude (Lat)",north],
        AXIS["Geodetic longitude (Lon)",east],
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
        ID["EPSG",4624]
    ],
    VERTCRS[
        "NGG1977 height",
        VDATUM["Nivellement General Guyanais 1977",ID["EPSG",5153]],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        GEOIDMODEL["RGFG95 to NGG1977 height (1)",ID["EPSG",10011]],
        ID["EPSG",5755]
    ],
    ID["EPSG",9530]
]

+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs

proj4.defs("EPSG:9530", "+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 9530,
  "name": "RGFG95 + NGG1977 height",
  "kind": "compound",
  "area": "French Guiana - onshore",
  "unit": null,
  "bbox": [
    2.11,
    -54.61,
    5.81,
    -51.61
  ],
  "proj4": "+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9530, 'EPSG', 9530, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["RGFG95 + NGG1977 height",GEOGCS["RGFG95",DATUM["Reseau_Geodesique_Francais_Guyane_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6624"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4624"]],VERT_CS["NGG1977 height",VERT_DATUM["Nivellement General Guyanais 1977",2005,AUTHORITY["EPSG","5153"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5755"]],AUTHORITY["EPSG","9530"]]');

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

9530=COMPD_CS["RGFG95 + NGG1977 height",GEOGCS["RGFG95",DATUM["Reseau_Geodesique_Francais_Guyane_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6624"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4624"]],VERT_CS["NGG1977 height",VERT_DATUM["Nivellement General Guyanais 1977",2005,AUTHORITY["EPSG","5153"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5755"]],AUTHORITY["EPSG","9530"]]