Is it necessary for a transmitting antenna to be at the same height asthat of the receiving antanna for line of sight communication? A TV transmitting antenna is 81 m tall. How much service area can it cover, if the receiving antena is at the ground level?
Answers
Answered by
0
Answer:
Hope it helps....✌️✌️✌️
Attachments:
Answered by
0
• It is not necessary for a transmitting antenna to be at the same height as that of the receiving antenna for line of sight communication.
• As in this type of communication, the only thing needed to be taken care is that no obstacles should come between transmitting and receiving antenna.
• Service area covered, if the receiving antenna is at the ground level is :
• Given : Height of transmitting antenna, h = 81 m = .81 m and radius of earth = 6.4×10^6 km
• We know that,
d = √2Rh
d = √2×6.4×10^6×81
• Also, area covered is
A = πd^2
A = π×2×6.4×10^6×81
• A = 3258
Similar questions