{
	"version": "1.1.0",
	"geographicCRS": {
		"EPSG:4326": {
			"code": "EPSG:4326",
			"name": "WGS 84",
			"type": "geographic",
			"deprecated": false,
			"coordinateSystem": "ellipsoidal 2D (latitude, longitude)",
			"areaOfUse": {
				"description": "World",
				"boundingBox": {
					"north": 90,
					"south": -90,
					"east": 180,
					"west": -180
				}
			},
			"remarks": "The standard CRS for GPS/GNSS systems. Default CRS for GeoJSON. Recommended for data exchange in web applications.",
			"useCases": ["data_storage", "data_exchange", "navigation", "web_mapping"]
		},
		"EPSG:4269": {
			"code": "EPSG:4269",
			"name": "NAD83",
			"type": "geographic",
			"deprecated": false,
			"coordinateSystem": "ellipsoidal 2D (latitude, longitude)",
			"areaOfUse": {
				"description": "North America - onshore and offshore",
				"boundingBox": {
					"north": 86.46,
					"south": 14.92,
					"east": -47.74,
					"west": -172.54
				}
			},
			"remarks": "North American Datum 1983. Standard geodetic datum for the United States, Canada, and Mexico.",
			"useCases": ["data_storage", "data_exchange"]
		},
		"EPSG:4258": {
			"code": "EPSG:4258",
			"name": "ETRS89",
			"type": "geographic",
			"deprecated": false,
			"coordinateSystem": "ellipsoidal 2D (latitude, longitude)",
			"areaOfUse": {
				"description": "Europe - onshore and offshore",
				"boundingBox": {
					"north": 84.73,
					"south": 32.88,
					"east": 40.18,
					"west": -16.1
				}
			},
			"remarks": "European Terrestrial Reference System 1989. Standard geodetic datum for the European Union.",
			"useCases": ["data_storage", "data_exchange"]
		}
	},
	"projectedCRS": {
		"EPSG:3857": {
			"code": "EPSG:3857",
			"name": "WGS 84 / Pseudo-Mercator",
			"type": "projected",
			"deprecated": false,
			"baseCRS": "EPSG:4326",
			"projection": {
				"method": "Popular Visualisation Pseudo-Mercator",
				"centralMeridian": 0,
				"latitudeOfOrigin": 0,
				"falseEasting": 0,
				"falseNorthing": 0
			},
			"areaOfUse": {
				"description": "World between 85.06°S and 85.06°N",
				"boundingBox": {
					"north": 85.06,
					"south": -85.06,
					"east": 180,
					"west": -180
				}
			},
			"accuracy": {
				"notes": "Not suitable for distance or area calculations. Significant distortion at high latitudes."
			},
			"remarks": "Web Mercator. Used by Google Maps, OpenStreetMap, and other major web mapping services. For display purposes only; not for surveying or measurements.",
			"useCases": ["web_mapping", "visualization"],
			"relatedCrs": ["EPSG:4326"]
		},
		"EPSG:32654": {
			"code": "EPSG:32654",
			"name": "WGS 84 / UTM zone 54N",
			"type": "projected",
			"deprecated": false,
			"baseCRS": "EPSG:4326",
			"projection": {
				"method": "Transverse Mercator",
				"centralMeridian": 141,
				"latitudeOfOrigin": 0,
				"scaleFactor": 0.9996,
				"falseEasting": 500000,
				"falseNorthing": 0
			},
			"areaOfUse": {
				"description": "Between 138°E and 144°E, northern hemisphere",
				"boundingBox": {
					"north": 84,
					"south": 0,
					"east": 144,
					"west": 138
				}
			},
			"accuracy": {
				"horizontal": "Within 0.04% distortion inside UTM zone",
				"notes": "Suitable for distance and area calculations within the UTM zone"
			},
			"remarks": "UTM zone 54N. Covers parts of Japan (Kanto, Tohoku). Used for international data exchange.",
			"useCases": ["distance_calculation", "area_calculation", "data_exchange"]
		},
		"EPSG:32653": {
			"code": "EPSG:32653",
			"name": "WGS 84 / UTM zone 53N",
			"type": "projected",
			"deprecated": false,
			"baseCRS": "EPSG:4326",
			"projection": {
				"method": "Transverse Mercator",
				"centralMeridian": 135,
				"latitudeOfOrigin": 0,
				"scaleFactor": 0.9996,
				"falseEasting": 500000,
				"falseNorthing": 0
			},
			"areaOfUse": {
				"description": "Between 132°E and 138°E, northern hemisphere",
				"boundingBox": {
					"north": 84,
					"south": 0,
					"east": 138,
					"west": 132
				}
			},
			"remarks": "UTM zone 53N. Covers parts of Japan (Kinki, Chugoku, Shikoku).",
			"useCases": ["distance_calculation", "area_calculation", "data_exchange"]
		},
		"EPSG:32652": {
			"code": "EPSG:32652",
			"name": "WGS 84 / UTM zone 52N",
			"type": "projected",
			"deprecated": false,
			"baseCRS": "EPSG:4326",
			"projection": {
				"method": "Transverse Mercator",
				"centralMeridian": 129,
				"latitudeOfOrigin": 0,
				"scaleFactor": 0.9996,
				"falseEasting": 500000,
				"falseNorthing": 0
			},
			"areaOfUse": {
				"description": "Between 126°E and 132°E, northern hemisphere",
				"boundingBox": {
					"north": 84,
					"south": 0,
					"east": 132,
					"west": 126
				}
			},
			"remarks": "UTM zone 52N. Covers parts of Japan (Kyushu, Okinawa).",
			"useCases": ["distance_calculation", "area_calculation", "data_exchange"]
		},
		"EPSG:6350": {
			"code": "EPSG:6350",
			"name": "NAD83(2011) / Conus Albers",
			"type": "projected",
			"deprecated": false,
			"baseCRS": "EPSG:6318",
			"projection": {
				"method": "Albers Equal Area",
				"centralMeridian": -96,
				"latitudeOfOrigin": 23,
				"falseEasting": 0,
				"falseNorthing": 0
			},
			"areaOfUse": {
				"description": "Conterminous United States (CONUS)",
				"boundingBox": {
					"north": 49.38,
					"south": 24.41,
					"east": -66.91,
					"west": -124.79
				}
			},
			"accuracy": {
				"horizontal": "Equal-area projection suitable for thematic mapping",
				"notes": "Preserves area but distorts shape and distance"
			},
			"remarks": "Albers Equal Area projection for the contiguous United States. Suitable for area calculations and thematic mapping of the entire CONUS.",
			"useCases": ["area_calculation", "visualization"]
		},
		"EPSG:3035": {
			"code": "EPSG:3035",
			"name": "ETRS89-extended / LAEA Europe",
			"type": "projected",
			"deprecated": false,
			"baseCRS": "EPSG:4258",
			"projection": {
				"method": "Lambert Azimuthal Equal Area",
				"centralMeridian": 10,
				"latitudeOfOrigin": 52,
				"falseEasting": 4321000,
				"falseNorthing": 3210000
			},
			"areaOfUse": {
				"description": "Europe",
				"boundingBox": {
					"north": 84.73,
					"south": 24.6,
					"east": 40.18,
					"west": -35.58
				}
			},
			"accuracy": {
				"horizontal": "Equal-area projection for Europe",
				"notes": "Standard projection for European statistical mapping (Eurostat)"
			},
			"remarks": "Lambert Azimuthal Equal Area projection for Europe. Adopted by INSPIRE and Eurostat for statistical and analytical mapping.",
			"useCases": ["area_calculation", "visualization", "data_exchange"]
		}
	}
}