If the sum of the heights of transmitting and receiving antennas in line of sight of communicati...

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If the sum of the heights of transmitting and receiving antennas in line of sight of communication is fixed at \( \mathrm{h} \), show that the range is maximum when the two antennas have a height \( \frac{\mathrm{h}}{2} \) each.
\( P \)
W.
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