The radio horizon of the transmission of an a | vedclass

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(A) The height of the antenna $H_r$ is calculated by multiplying the number of floors by the height of each floor: $H_r = 20 	imes 2 \,m = 40 \,m$. T

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$22.6$

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(A) The height of the antenna $H_r$ is calculated by multiplying the number of floors by the height of each floor: $H_r = 20 	imes 2 \,m = 40 \,m$. The formula for the radio horizon distance $d_m$ is given by: $d_m = \sqrt{2 H_r R}$,where $R$ is the radius of the Earth. Substituting the values: $d_m = \sqrt{2 	imes 40 	imes 6.4 	imes 10^6} \,m$. $d_m = \sqrt{512 	imes 10^6} \,m = \sqrt{512} 	imes 10^3 \,m$. $d_m \approx 22.627 	imes 10^3 \,m = 22.6 \,km$.

The radio horizon of the transmission of an antenna placed on the $20^{\text{th}}$ floor in a shopping mall,where the height of each floor is $2 \,m$,is (Radius of Earth is $6.4 \times 10^6 \,m$): (in $\,km$)

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