(рлк.) радіолокаційний запитувач-відповідач
electronic interrogator
IFF interrogator
interrogator
interrogator-responder-transducer
ground interrogator
IFF transponder
transponder (`transmitter-responder`)
Common IFF Digital Transponder Program (CXP)
ATC identification transponder
ATC transponder
aircraft transponder (IFF)
transponder nonlinearity
transponder reader