Lidar/Laser Sounders
type: Concept

Profilers/Sounders
type: Concept

Active Remote Sensing
type: Concept

ESA Data Ontology
type: ConceptScheme
type: Ontology

Radar Sounders
type: Concept

Radio Sounders
type: Concept

Profilers/Sounders
type: Concept
in scheme: ESA Data Ontology

Acoustic Sounders
type: Concept