identification, friend or foe

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Related to Secondary surveillance radar: primary radar, ATCRBS

identification, friend or foe

A device that emits a signal positively identifying it as a friendly. Also called IFF. See also air defense.
References in periodicals archive ?
Hensoldt has been active in the air traffic control (ATC) surveillance market for decades with dedicated primary and secondary surveillance radars, especially for military ATC and identification, friend or foe requirements.
If approach's secondary surveillance radar cannot see the traffic, there's nothing to transmit via TIS.
The Civil Aviation Authority of the Philippines (Caap) issued a notice to airmen, advising them of the scheduled corrective maintenance of the Tagaytay monopulse secondary surveillance radar (MSSR).
It also noted the jets did not have a working secondary surveillance radar and exposed the fact that one of the two did not have a working radar homing and warning receiver that day.
The additional system for Manchester Airport is comprised of an ASR-10SS S-Band Primary Surveillance Radar with a Mode S Monopulse Secondary Surveillance Radar.
There are two types of radar used for air traffic control and air defence control and surveillance: primary surveillance radar (PSR) and secondary surveillance radar (SSR).
Combining Multilateration and Surface Movement Radar does for ground controllers what secondary surveillance radar did for primary radar in the 1950s--it provides positive identification of targets, significantly reduce the number of false targets and greatly increase airport capacity while, at the same time, improving safety.
Designed to reduce the incidence of near misses and mid-air accidents, the new system is described as making use of secondary surveillance radar techniques, with the host aircraft carrying an interrogator that transmits Mode A and C interrogation signals.
KBR will be responsible to upgrade the secondary surveillance radar on selected military equipment to maintain interoperability with the US and NATO.
Classical Secondary Surveillance Radar (SSR) is widely used to support air traffic control operations.
Taking the countries in the order given, Ecuador's Civil Aviation Authority is acquiring a US$5 million air traffic management (ATM) system for Guayaquil airport which will comprise an AMS ATCR-33S primary radar and a SIR-S Mode S secondary surveillance radar.
The Cobham RDS Track Mosaic Functionality uses the airport's local Primary Surveillance Radar, together with a Secondary Surveillance Radar to provide a full radar display that is not impacted by the wind farm turbines.