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Consider the following statements about the maximum usable frequency for radio...

This question belongs to Electronics And Communications Engineering Microwave Communication
Microwave Communication
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Consider the following statements about the maximum usable frequency for radio communication between two specified points by reflection from an ionosphere layer:
1. It is equal to the critical frequency
2. It is more than the critical frequency
3. It depends upon the distance between the two points
4. It depends upon the height of the ionosphere layer
Of these statements

Answer & Solution
Correct Answer: Option D
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