@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . rdf:type skos:Concept ; dce:identifier "SDN:L05::POS08" ; dc:date "2015-12-09 11:25:50.0" ; dc:identifier "SDN:L05::POS08" ; pav:authoredOn "2015-12-09 11:25:50.0" ; pav:hasCurrentVersion ; pav:hasVersion , ; pav:version "3" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "3" ; skos:altLabel "Decca HiFix" , "Decca HiFix"@en ; skos:broader , , ; skos:definition "{\"node\": {\n \"mode\": \"hyperbolic\",\n \"notes\": \"Not for general navigation. Chains usually set up for specific surveys.\",\n \"range\": \"under 100km\",\n \"accuracy\": \"better than 10m: maximum accuracy at 50km range is 1.5m\",\n \"operating\": \"1962 to 2000\",\n \"frequency\": \"1.6MHz\"\n}}"@en ; skos:inScheme ; skos:narrower ; skos:notation "SDN:L05::POS08" ; skos:note "accepted"@en ; skos:prefLabel "Decca Navigator System HiFix receivers"@en .