ATC
What is ATC? The ATC Transponder system is sometimes called Secondary Surveillance Radar (SSR). It is a secondary radar system designed to automatically give Air Traffic Control (ATC) information.
ATC Information The information obtainable from the system is: - Range & Bearing Identity Altitude SSR Aerial PSR Aerial
ATC System Mode A – Identity Mode C – Altitude reporting
ATC Block Diagram
OPERATION
ATC Aerials ATC utilises an L-band aerial mounted on the bottom of the aircraft. Received centre frequency is 1030 MHz. Transmitted centre frequency is 1090 MHz. Transmits an omni-directional vertically polarised signal.
ATC Testing Check the manual Remove the Arial Co-Axial TDR Test Test the system (ATC-600A)