無む線せん方ほう位い測そく定てい器きMeaningsNoun1. radio direction finder (Rare)Kanji used無nothing線line方way位rank測survey定define器instrumentComposed of無む線せんradio (communication); wireless; not using wiresNoun方ほう位いbearing; heading; point of the compassNoun測そく定てい器きmeasuring instrumentNoun