Question
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 6.4 ×106m.
Answer: Option C
:
C
√2×64×105×32+√2×64×105×50 = 64 × 10^2 × √10 + 8 × 10^3 × √10m = 144 × 10^2 × √10= 45.5 km
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:
C
√2×64×105×32+√2×64×105×50 = 64 × 10^2 × √10 + 8 × 10^3 × √10m = 144 × 10^2 × √10= 45.5 km
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