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Reply To: Microwave Transmission

Pathma Rathinavelu


From various references, I have come across that Freespace loss between Tx and Rx is assumed to be (as stated above)

FSL(dB)=32.4 + 20LogD + 20LogF

F=frequency in Mhz.
D=Distance in Kilometers.

I am trying to figure out the background / originating assumptions of this formula.

Could anyone give me a hint ?