A radar transponder (15) and transponder system (11) is provided for providing transponder communications signals embedded within radar interrogation signals and reply signals.

A racon is a radar transponder commonly used to mark maritime navigational hazards.

The dual band X/S racon (radar transponder beacon) was retained.

A Racon is a type of radar transponder commonly used to mark maritime navigational hazards.

The Ukrainian Airlines flight was equipped with a radar transponder that broadcasts an enhanced radar blip to identify the plane and provide other information for air traffic controllers.

Aircraft are not required to have a communication radio, a radar transponder, or collision-avoidance equipment on board.

The Ukrainian Airlines flight was equipped with a radar transponder that broadcasts an enhanced radar blip t0 identify the plane and provide other information for air traffic controllers.

The McMurdo Search and Rescue Transponder (SART) is a 9GHz receiver/transmitter.

Search And Rescue Transponder (SART) is a radio transmitter and receiver 9GHz.

coordination of scarce resources within aviation frequency bands used by general air traffic, in particular radio frequencies as well as coordination of radar transponder codes.

A secondary surveillance radar (SSR) transponder with altitude reporting system that can be connected to the altitude measurement system in use for altitude keeping.

a secondary surveillance radar (SSR) transponder with altitude reporting system that can be connected to the altitude measurement system in use for altitude keeping.

a secondary surveillance radar (SSR) transponder with altitude reporting system that can be connected to the altitude measurement system in use for altitude keeping.

An upwardly projecting cylindrical portion (3) contains a radar transponder (6) and is provided with an antenna (5) coupled to a VHF/UHF radio transmitter (7) within the container (1).