Propagation

Explanation of question 21

Skip fading occurs when a receiver is

  1. within the skip zone
  2. outside the skip zone
  3. just at the edge of the skip zone
  4. slightly off-tuned

The answer is :- 3 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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