CER
in scheme: ESA Data Ontology
definition: the CER (Coherent Electromagnetic Radiation) objective is to determine ionospheric total electron density (TEC) by using a three-frequency beacon; cooperative ionospheric observations with fixed ground receivers.
type: Concept

ESA Data Ontology
type: ConceptScheme
type: Ontology

Magnetic Field/Electric Field Instruments
type: Concept

CASSIOPE
notation: CA
type: Concept

CER
type: Concept