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why we have better high frequency reception at night?

why we have better high frequency reception at night?

Grade:8

1 Answers

Sameer Khan
12 Points
4 years ago
This is because at night there is less absorption of HF signals by earth`s atmosphere due to following reasonsA. D and E layers of ionosphere in earth`s atmosphere disappear at night.B. F¹ and F² layers combines into one F- layer at night

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