@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/9fd01f99-1b20-4a7c-aca8-4ac5d539195f>
  skos:prefLabel "Radio Sounders"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/e7904358-3122-41a3-b9c4-572b74db72a5> .

<https://gcmd.earthdata.nasa.gov/kms/concept/e7904358-3122-41a3-b9c4-572b74db72a5>
  skos:definition """IONOSONDE is the traditional technique for measuring the
properties of the ionosphere by transmission and reception of
vertically incident radio pulses at swept frequencies in the HF
range."""@en ;
  skos:prefLabel "IONOSONDE"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/9fd01f99-1b20-4a7c-aca8-4ac5d539195f> ;
  a skos:Concept .