Propagation

Explanation of question 20

In Fig. 21.6, RX represents a receiver obtaining a signal via two paths. The received signal will be

  1. twice as strong
  2. suffering from fading
  3. zero
  4. in the form of pulses

The answer is :- 2 The constantly changing conditions in the ionosphere will mean that the receiver will not always be receiving the two signals in phase with each other, therefore fading will occur.

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