Secondary Surveillance Radar
Selex ES Inc’s SIR-S Secondary Surveillance Radar (SSR) is a state-of-the-art modular system designed to adhere to the highest ICAO and EUROCONTROL standards. The SIR-S is a dual-channel system with automatic changeover, solid state transmitter and receiver, and designed for unmanned operation. Single channel configurations are also available upon customer request.
The powerful processing platform is based on COTS equipment and is completely software programmable in order to exploit improvements of commercial platforms and prevent obsolescence problems. In addition, it provides all programmable functions of the transmitter and receiver units. It provides high directional properties and vertical aperture, also needed for the Enhanced Mode-S Surveillance (EHS).
The SIR-S can operate in SSR Conventional Mode, Elementary Surveillance, Enhanced Surveillance up to full Mode-S data link operation employing level 5 transponders. The system is readily upgradeable from one configuration to the other, as no hardware change is required.