The Amateur Radio Project - Propagation

# Propagation

### Question 17 of 30

In the HF bands

- i there is less refraction of radio waves at higher frequencies
- ii at higher frequencies less ionisation is required to cause refraction

1. i and ii are both true
2. i is true but ii is false
3. i is false but ii is true
4. i and ii are both false

1 | 2 | 3 | 4

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