GRACE-FO LRR
type: Concept
in scheme: ESA Data Ontology
definition: The laser retro-reflectors were contributed by GFZ and provide a means of tracking the GRACE-FO satellites from the ground for backup and orbit verification purposes.

GRACE-FO
type: Concept
notation: GRF

GRACE-FO LRR
type: Concept

Laser Ranging
type: Concept

ESA Data Ontology
type: ConceptScheme
type: Ontology