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At what height the Ionosphere lies above the earth surface?

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in Antennas by (157k points)
At what height the Ionosphere lies above the earth surface?

(a) 70-400km

(b) 2-15km

(c) 20-70km

(d) Above 400km

This question was posed to me in quiz.

The origin of the question is Radio Wave Propagation topic in division Radio Wave Propagation of Antennas

1 Answer

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Right answer is (a) 70-400km

To elaborate: Troposphere is the lowest layer in the atmosphere ranging up to 15km. stratosphere lies at 50 to 90km and from 70- 400km ionosphere. Above 400km is the outer atmosphere.

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