EPSG:6818

System of the Unified Trigonometrical Cadastral Network (Ferro)

Attributes

Ellipsoid: Bessel 1841

Prime meridian: Ferro

Data source: EPSG

Information source: Research Institute for Geodesy Topography and Cartography (VUGTK), Prague; and Geodesy, Cartography and Cadastre Authority of Slovak Republic (UGKK SR).

Revision date: 2018-02-16

Scope: Geodesy, cadastre, engineering survey, topographic mapping.

Area of use: Czechia; Slovakia.

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WGS84 bounds:
22.56 47.73
12.09 51.06

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Definition: OGC Well Known Text

DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network_Ferro",
    SPHEROID["Bessel 1841",6377397.155,299.1528128,
        AUTHORITY["EPSG","7004"]],
    AUTHORITY["EPSG","6818"]],
PRIMEM["Ferro",-17.6666666666667,
    AUTHORITY["EPSG","8909"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["System of the Unified Trigonometrical Cadastral Network (Ferro)",
    ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6818]],
PRIMEM["Ferro",-17.6666666666667,
    ANGLEUNIT["degree",0.0174532925199433],
    ID["EPSG",8909]]

Definition: ESRI Well Known Text

DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network_(Ferro)",
    SPHEROID["Bessel_1841",6377397.155,299.1528128]],
PRIMEM["Ferro",-17.6666666666667]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "System of the Unified Trigonometrical Cadastral Network (Ferro)",
    "ellipsoid": {
        "name": "Bessel 1841",
        "semi_major_axis": 6377397.155,
        "inverse_flattening": 299.1528128
    },
    "prime_meridian": {
        "name": "Ferro",
        "longitude": -17.6666666666667
    },
    "scope": "Geodesy, cadastre, engineering survey, topographic mapping.",
    "area": "Czechia; Slovakia.",
    "bbox": {
        "south_latitude": 47.73,
        "west_longitude": 12.09,
        "north_latitude": 51.06,
        "east_longitude": 22.56
    },
    "id": {
        "authority": "EPSG",
        "code": 6818
    }
}

Definition: GeoServer

6818-datum=DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network_Ferro",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","6818"]],PRIMEM["Ferro",-17.6666666666667,AUTHORITY["EPSG","8909"]]