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Communication Systems

Quick practice

Question 1 of 5

For sky wave propagation of a 10 MHz signal, what should be the maximum electron density in ionosphere 

A

\sim 10^{22} \mathrm{m}^{-3}

B

\sim 10^{6} \mathrm{m}^{-3}

C

\sim 1.2 \times 10^{12} \mathrm{m}^{-3}

D

\sim 10^{14} \mathrm{m}^{-3}

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