Propagation

Question 14 of 30

The layer ‘X’ in Fig. 21.3 is the

  1. D-layer, at a distance approximately 150km from earth
  2. D-layer, at a distance approximately 200km from earth
  3. E-layer, at a distance approximately 200km from earth
  4. F1-layer, at a distance approximately 200km from earth
1 2 3 4


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