RADARSAT-1
type: Concept
notation: RS1

ESA Data Ontology
type: ConceptScheme
type: Ontology

RADARSAT-2
type: Concept
notation: RS2

Earth Observation Satellite
type: Concept

RADARSAT
type: Concept
note: 1, 2
notation: RS1, RS2
in scheme: ESA Data Ontology