Communication Systems - Engineering

Q1:

Consider the following applications/ advantages of radar beacons
  1. navigation
  2. target identification
  3. accurate tracking of enemy targets
  4. large increase in maximum range
Which of the above are correct?

A 1, 2, 3, 4

B 1, 2, 4

C 1, 2

D 2, 3, 4

ANS:B - 1, 2, 4

No answer description is available.