OGC URN


[URN](https://texonom.com/urn-1edab6c36a37464ba873ca3b6338ca6d) [GeoJSON](https://texonom.com/geojson-b62bac95f054441c9507c2ca9b53ef56) [OGC](https://texonom.com/ogc-a5c00b69e0fe4163bce74897ff30821e) 
```typeconst CRS_PREFIX = 'urn:ogc:def:crs'const urn = `${CRS_PREFIX}:${authName}:(${version}):${authSRID}````
version is optional (EPSG DATASBASE VERSION)

[RFC5165](https://texonom.com/rfc5165-ea9d535a8c214427a2639e03528bd145)


[srsName](https://texonom.com/srsname-96017ccd11594b9fa9a864a8906b8994)

>  (current EPSG CRS definitions): urn:ogc:def:crs:EPSG:\d{4,5}
> - Main.rmartell - 02 Oct 2007



> [OGC Urn Policy](https://www.ogc.org/ogcUrnPolicy)

> [OGC Naming Authority](https://www.ogc.org/ogcna)





