@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: . skos:broader . skos:broader . skos:narrower . skos:narrower . skos:narrower . skos:narrower . skos:narrower . skos:member . skos:altLabel "Trisponder" , "Trisponder"@en ; skos:broader , , ; skos:definition "{\"node\": {\n \"notes\": \"Family of microwave short-range positioning systems with vessel equipment and three shore transponders (master and two slaves) set up specifically for surveys.\",\n \"range\": \"80km\",\n \"accuracy\": \"1m (resolution 0.1m)\"\n}}"@en ; skos:inScheme ; skos:narrower ; skos:notation "SDN:L05::POS22" ; skos:note "accepted"@en ; skos:prefLabel "Trisponder navigation systems"@en . skos:narrower .