Question

What should be height of transmitting antenna if the T.V. telecast is to cover a radius of 128 km?

• A. 1560 m
• B. 1280 m
• C. 1050 m
• D. 79 m

Answer 1

Answer: (B)

1280 m

Answer 2

h = $\frac{d^{2}}{2R}$ = $\frac{128 \times 128}{2 \times 6400}$ = 1.28 km