The Amateur Radio Project - Propagation

# 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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