@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://gcmd.gsfc.nasa.gov/kms#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/d8fc8d90-89b6-49c8-aeb7-c45afb8963d8>
  skos:prefLabel "Radio Wave Detectors"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/aac79253-3894-408b-a20b-51e7101c36e3> .

<https://gcmd.earthdata.nasa.gov/kms/concept/aac79253-3894-408b-a20b-51e7101c36e3>
  ns0:altLabel [ ] ;
  skos:definition """A riometer is a relative ionospheric opacity meter--a specially designed radio
receiver for the continuous monitoring of galactic or extragalactic radio
noise between 1 and 50 MHz.  Riometers track high-latitude, enhanced,
atmospheric ionization events known as polar cap absorption."""@en ;
  skos:prefLabel "RIOMETER"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/d8fc8d90-89b6-49c8-aeb7-c45afb8963d8> ;
  a skos:Concept .