无线电探向电台
radio direction-finding station
无线电探向台
radio direction-finding station
无线电探向仪
wireless direction finder
无线电探向仪自差
radio direction finder deviation
无线电探向站
radio direction-finding station
美国电视与无线电无线电工作女性协会
American women in radio and television
超越地平线无线电通讯
radio communication beyond the horizon
船岸无线电电传打字机
ship-shore radio teletypewriter
单向无线电测向仪
unidirectional radio direction finder
定向无线电报学
directive wireless telegraphy
directional radio telegraphy