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The Dual Trailing Wire Antenna(DTWA) on an Aircraft antenna system is used to transmit VLF/LF messages to submarines. 機(jī)載甚低頻天線(xiàn)系統(tǒng)中的雙拖曳天線(xiàn)是用於對(duì)潛通信VLF/LF的發(fā)射天線(xiàn)。