EPSG:3124 - PRS92 / Philippines zone 4

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "PRS92 / Philippines zone 4",
  "base_crs": {
    "name": "PRS92",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "Philippine Reference System 1992",
      "ellipsoid": {
        "name": "Clarke 1866",
        "semi_major_axis": 6378206.4,
        "semi_minor_axis": 6356583.8
      }
    },
    "coordinate_system": {
      "subtype": "ellipsoidal",
      "axis": [
        {
          "name": "Geodetic latitude",
          "abbreviation": "Lat",
          "direction": "north",
          "unit": "degree"
        },
        {
          "name": "Geodetic longitude",
          "abbreviation": "Lon",
          "direction": "east",
          "unit": "degree"
        }
      ]
    },
    "id": {
      "authority": "EPSG",
      "code": 4683
    }
  },
  "conversion": {
    "name": "Philippines zone IV",
    "method": {
      "name": "Transverse Mercator",
      "id": {
        "authority": "EPSG",
        "code": 9807
      }
    },
    "parameters": [
      {
        "name": "Latitude of natural origin",
        "value": 0,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8801
        }
      },
      {
        "name": "Longitude of natural origin",
        "value": 123,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8802
        }
      },
      {
        "name": "Scale factor at natural origin",
        "value": 0.99995,
        "unit": "unity",
        "id": {
          "authority": "EPSG",
          "code": 8805
        }
      },
      {
        "name": "False easting",
        "value": 500000,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8806
        }
      },
      {
        "name": "False northing",
        "value": 0,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8807
        }
      }
    ]
  },
  "coordinate_system": {
    "subtype": "Cartesian",
    "axis": [
      {
        "name": "Easting",
        "abbreviation": "X",
        "direction": "east",
        "unit": "metre"
      },
      {
        "name": "Northing",
        "abbreviation": "Y",
        "direction": "north",
        "unit": "metre"
      }
    ]
  },
  "scope": "Engineering survey, topographic mapping.",
  "area": "Philippines - approximately between 122°E and 124°E onshore and offshore - southeast Luzon (east of 122°E); Tablas; Masbate; Panay; Cebu; Negros; west Mindanao (west of 122°E).",
  "bbox": {
    "south_latitude": 3.44,
    "west_longitude": 121.74,
    "north_latitude": 22.18,
    "east_longitude": 124.29
  },
  "id": {
    "authority": "EPSG",
    "code": 3124
  }
}

{'crs_wkt': 'PROJCRS["PRS92 / Philippines zone '
            '4",BASEGEOGCRS["PRS92",DATUM["Philippine Reference System '
            '1992",ELLIPSOID["Clarke '
            '1866",6378206.4,294.978698213898,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4683]],CONVERSION["Philippines '
            'zone IV",METHOD["Transverse '
            'Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural '
            'origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
            'of natural '
            'origin",123,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
            'factor at natural '
            'origin",0.99995,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
            'easting",500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting '
            '(X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing '
            '(Y)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering '
            'survey, topographic mapping."],AREA["Philippines - approximately '
            'between 122°E and 124°E onshore and offshore - southeast Luzon '
            '(east of 122°E); Tablas; Masbate; Panay; Cebu; Negros; west '
            'Mindanao (west of '
            '122°E)."],BBOX[3.44,121.74,22.18,124.29]],ID["EPSG",3124]]',
 'false_easting': 500000.0,
 'false_northing': 0.0,
 'geographic_crs_name': 'PRS92',
 'grid_mapping_name': 'transverse_mercator',
 'horizontal_datum_name': 'Philippine Reference System 1992',
 'inverse_flattening': 294.9786982138982,
 'latitude_of_projection_origin': 0.0,
 'longitude_of_central_meridian': 123.0,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'projected_crs_name': 'PRS92 / Philippines zone 4',
 'reference_ellipsoid_name': 'Clarke 1866',
 'scale_factor_at_central_meridian': 0.99995,
 'semi_major_axis': 6378206.4,
 'semi_minor_axis': 6356583.8}