Url
https://www.b2b.nm.eurocontrol.int:443/B2B_OPS/gateway/spec/27.0.0
Reference
NM 27.0 - NM B2B Reference Manuals - Essentials https://doc.b2b.nm.eurocontrol.int/documentation/technical-doc/version-27.0/latest/html/Essentials.html#Essentials.Connect.Locations.MSG