question_answer 4)

Is it necessary for a transmitting antenna to be at the same height as that of the receiving antenna for line-of-sight communication ? A TV transmitting antenna is 81 m tall. How much service area can it cover if the receiving antenna is at the ground level ? 

Answer:

For line-of-sight communication it is necessary that the transmitting antenna and receiving antenna should be eye to eye but it is not necessary that they should be at the same height. Coverable service area,