radar transponder

radar transponder

[′rā‚där tranz′pän·dər]
(navigation)
References in periodicals archive ?
Unlike primary radar systems that measure only the range and bearing of targets by detecting reflected radio signals, IFF relies on targets equipped with a radar transponder that replies to each interrogation signal by transmitting a response containing encoded data, such as the aircraft's altitude.
However, there has been no attempt to enhance the adhesive bond between radar transponder and wire.
Investigators suspect the aircraft's radar transponder was turned off at about that time.
According to the company, SSR is used to send a message to an aircraft equipped with a radar transponder and collect information that allows air traffic controllers to identify, track and measure the location of that particular airplane.
In addition to replacing the antennas, Northrop Grumman will modify the B-2 defensive management system and the radar transponder to support the change in operating frequency.
The BQM-74E version of the Chukar has the Luneberg lens for passive augmentation of the radar signature as in earlier versions, a seeker simulator to duplicate the emissions of a cruise missile, radar transponder for Identification Friend or Foe (IFF), active D-band (one to two GHz) and J-band (10 to 20 GHz) radar augmentation elements for operating with search and fire-control radars.
The anomaly turned out to be an errant electrical ground in a radar transponder.
To send a message to an aircraft equipped with a radar transponder, the SSR is used and also to collect information which allows air traffic controllers to identify, track and measure the location of that particular airplane.
In addition to replacing the antenna, Northrop Grumman will modify the B-2 defensive management system and the radar transponder to support the change in operating frequency.
It appears that the Russian aircraft's radar transponder signals were not received by the air traffic control nor by the collision warning system of the Finnair aircraft and as a result, the Finnair pilot was warned only five seconds before the two aircraft flew past each other.
Tiny radar transponders mounted on the bees' backs were used to plot where the insects were flying.
The scientists used motion-triggered web cams and tiny bumblebee-mounted radar transponders to track the bumblebees.