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185 - ATPL - In weather radar the use of a cosecant squared beam in 'Mapping' mode enables:

Question 185 - Radio Navigation - ATPL - Airline Transport Pilot license

Better reception of echos on contrasting terrain such as ground to sea
A greater radar range to be achieved
Scanning of a large ground zone producing echos whose signals are practically independent of distance
Higher definition echoes to be produced giving a clearer picture

Training tests and timed exam simulations ATPL - Airline Transport Pilot license