Solution: By how much must the beam clear the obstacle?

Problem Statement: Transmission and Antenna Systems

A line-of-sight radio link operating at a frequency of 6 GHz has a separation of 40 km between antennas. An obstacle in the path is located 10 km from the transmitting antenna. By how much must the beam clear the obstacle?

a. 11.6 m

b. 13.4 m

c. 19.34 m

d. 22.33 m

Problem Answer:

The distance by which beam must clear the obstacle is equal to 12 m.

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