The maximum line-of -sight distance d(M)...

The maximum line-of -sight distance `d_(M)` between two antennas having heights `h_(T)` and `H_(R)` above the earth is

`sqrt(2R)" "(h_(T)+h_(R))`

`2Rsqrt((h_(T)+h_(R)))`

`sqrt(2R(h_(T)+h_(R)))`

`sqrt(2R)(sqrth_(T)+sqrt(h)_(R))`

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