Sub Element Usage Card Type Description Note
  Centroid expected 1..1 unknown   Global or national location
+ Location mandatory 1..1 unknown   Note concerning coordinates - The main coordinates are given as WSG84.
++ Longitude mandatory 1..1 unknown    
++ Latitude mandatory 1..1 unknown    
++ Altitude optional 1..1 unknown    
++ pos optional 1..1 unknown   EPSG:2056 is LV95. We use it in the export.
++ @srsName mandatory 1..1 xsd:string Attribute srsName