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//Chapter 6, Example 6.12, page 262
clc
//Initialisation
g1=10 //transmitter gain
ct=15 //power in watt
//Calculation
g2=g1-2.2 //gain in dBd
cg=g2-6 //Antenna gain
ct1=ct*10**-1
ct2=10*log10(ct1) //Power gain
ch=(ct*30**-1)**2
ch1=10*log10(ch) //Height gain
ct3=ct1*0.5
ct4=10*log10(ct3)
co=ct4+cg+ch1 //Total effects
//Results
printf("(1) Power gain, Ct = %.2f",ct2)
printf("\n Height gain = %.2f",ch1)
printf("\n Antenna gain = %.1f",cg)
printf("\n(2) Total effects = %.2f dB",co)
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