中高频测向仪
medium high frequency direction finder
中频测向仪
medium frequency direction finder
船用无线电测向仪
marine radio direction finder
单向无线电测向仪
unidirectional radio direction finder
指示测向仪
indicating direction finder
手动无线电测向仪
manual radio direction finder
特高频无线电测向仪
very high frequency radio direction finder {= VHF-RDF
无线电自动测向仪
automatic radio direction finder
遥控自动测向仪
automatic direction finder remote-controlled
ADFR
自动测向仪
automatic radio direction finder {= ARDF
automatic direction finder
自动测向仪方位指示器
automatic direction finder bearing indicator