Question

What does the MLS use to overcome the weakness of ILS system?

(a) Narrow beam width antennas

(b) More power

(c) Filers for separating noise

(d) Array of antennas

Answer 1

The correct answer is (a) Narrow beam width antennas

Explanation: The main weakness of the ILS system is eliminated by using narrow beam width antennas which are physically small since the frequency is high. As frequency increases antenna size decreases.