@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:altLabel "Kongsberg 808 echo sounder" , "Kongsberg 808 echo sounder"@en ; skos:broader , ; skos:definition "A high frequency (300 kHz) echosounder (also known as altimeter) primarily used to determine the height of an object above the seafloor. It was designed to operate in stand-alone mode often on underwater vehicles and has an approximate range of 200m. This model has been discontinued."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL0951" ; skos:note "accepted"@en ; skos:prefLabel "Kongsberg Mesotech 808 300Khz echo sounder"@en ; skos:related . skos:member . skos:related . skos:related . skos:narrower . skos:narrower . skos:narrower . skos:narrower .