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Unit: sexagesimal DMS
Data source: EPSG
Information source: Topography Department; National Technical University of Athens.
Revision date: 1997-06-16
Remarks: Used in Greece for older mapping based on Hatt projection.
Definition: OGC Well Known Text
PRIMEM["Athens",23.7163375, AUTHORITY["EPSG","8912"]]
Definition: OGC Well Known Text 2 (2019)
PRIMEM["Athens",23.7163375, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8912]]
Definition: ESRI Well Known Text
PRIMEM["Athens",23.7163375]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "PrimeMeridian", "name": "Athens", "longitude": 23.7163375, "id": { "authority": "EPSG", "code": 8912 } }
Definition: GeoServer
8912-primem=PRIMEM["Athens",23.7163375,AUTHORITY["EPSG","8912"]]