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Top Terms > Communication and control > Control > Navigation > Navigational aids > Navigation devices > Radio navigation devices > Transponders

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Transponders (Dcnsptt)

Definition
Airborne radar beacon receiver-transmitters which receive radio signals from all interrogators on the ground and which selectively reply with a specific reply pulse or pulse group only to those interrogations being received on the mode to which they are set to respond. Also, electronic transmitter/responders which are attached to the object to be identified and, when appropriate signals are received, transmit information as radio signals to a reader. Often referred to as Tags. (Source: AASHTO Glossary)
Broader Term
Radio navigation devices (Dcnspt)
Related Terms (Hierarchical)
Radio beacons (Dcnsptb)
Radio direction finders (Dcnsptd)
Emergency locator transmitters (Dcnsptf)