SSTI
type: Concept

TRSR
type: Concept

BLACKJACK
type: Concept

GPSR
type: Concept

ESA Data Ontology
type: ConceptScheme
type: Ontology

GPS
type: Concept

GAP
type: Concept

GPS
type: Concept
in scheme: ESA Data Ontology

GRAS
type: Concept

Positioning/Navigation
type: Concept