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A transmitting antenna at the top of a t...

A transmitting antenna at the top of a tower has a height `32 m` and the height of the receiving antenna is `50 m`. What is the maximum distance between them for satisfactory communication in `LOS` mode? Given radius of earth `6.4xx10^(6)m`.

Text Solution

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`d=sqrt(Rh_T)+sqrt(2Rh_R)`
`d=sqrt(2xx6.4xx10^6xx32)+sqrt(2xx6.4xx10^6xx50)`
`=64xx10^2xxsqrt10+8xx10^3xxsqrt10m`
`=144xx10^2xxsqrt10m ` =45.5km
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