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Transponders (Dsgmx)

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 equipment (Dsgm)
Related Terms (Hierarchical)
Antennas (Dsgmb)
Antenna accessories (Dsgmc)
Emergency radio equipment (Dsgme)
Multiplexers (Dsgmm)
Radio receivers (Dsgmr)
Radio transmitters (Dsgmt)
Terminal equipment (Radio) (Dsgmv)
Transceivers (Dsgmw)