SpecialRadioNavaid

urn:aero:airm:1.0.0:ConceptualModel:Subjects:BaseInfrastructure:NavigationInfrastructure:SpecialRadioNavaid

Wide area (worldwide) navigation systems based on a chain of land or maritime stations providing radio frequency signals which can be used by airborne equipment to determine at least, the mobile two-dimensional position.

Source: EUROCONTROL-FAA AIXM v.5.1,
Synonyms: Special Navigation System