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Reply To: Microwave Transmission

#38352
AbdulHaq
Guest

path loss: In a communication system, the attenuation undergone by an electromagnetic wave in transit between a transmitter and a receiver. Path loss may be due to many effects such as free-space loss, refraction, reflection, aperture-medium coupling loss, and absorption. Path loss is usually expressed in dB.

This can be calculated from the formula

Path loss (in dB) = 20 Log (F)+20 Log (D) +32.5

Where F= frequency in MHz D = distance in Km