maritime radio navigation land
aeronautical radio navigation land station
radio navigation land station
maritime radio navigation service
radio navigation station
International Conference to Descipline the Use of Radar in Maritime Navigation
International Maritime Radio Committee
International Radio Maritime Committee
International Radio-Maritime committee
国际海上无线电委员会国际海事无线电通信委员会
国际海上无线电委员会
maritime radio equipment
aerodrome control radio station
aeronautical ground radio station
aeronautical radio navigation
aeronautical radio navigation satellite service
aeronautical radio navigation service
航空无线电助航业务
航海无线电助航业务
航空助航业务
航空无线电导航服务
aeronautical radio station