ESA Data Ontology
type: ConceptScheme
type: Ontology

NigeriaSat-1
notation: NG1
type: Concept

NigeriaSat-X
notation: NGX
type: Concept

NigeriaSat-2
notation: NG2
type: Concept

Earth Observation Satellite
type: Concept

NigeriaSat
in scheme: ESA Data Ontology
type: Concept
notation: NG1, NG2, NGX
note: 1, 2, X