what is atc? the atc transponder system is sometimes called secondary surveillance radar (ssr). it...
TRANSCRIPT
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)