Mumbai: An RTI reply from the Airport Authority of India (AAI) has revealed indiscriminate increase in height of buildings around Juhu airport which has resulted in obstructing radiation/reception of electromagnetic signals from the crucial primary radar. The radar provides unhindered details about aircraft within 120-kilometre radius of Mumbai airspace.
The rays sent by the primary radar hits the object (aircraft) and return on their own, giving details about the aircraft and its location. On the other hand, the secondary radar, which has a larger range, emit rays on the object (aircraft) but they will get back data only if the transponders on the aircraft are active. In case of the mysterious disappearance of the Malaysian Airline 370 flight, the transponder inside the aircraft was allegedly switched off, and it therefore failed the Air Traffic Control on ground to track the plane.
07/04/15 Shahkar Abidi/Daily News & Analysis
The rays sent by the primary radar hits the object (aircraft) and return on their own, giving details about the aircraft and its location. On the other hand, the secondary radar, which has a larger range, emit rays on the object (aircraft) but they will get back data only if the transponders on the aircraft are active. In case of the mysterious disappearance of the Malaysian Airline 370 flight, the transponder inside the aircraft was allegedly switched off, and it therefore failed the Air Traffic Control on ground to track the plane.
07/04/15 Shahkar Abidi/Daily News & Analysis
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