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//Chapter 3: The Antenna Family
//Example 3-7.1
clc;
//Variable Initialization
f = 599e6 //Frequency of TV Station (Hz)
E = 1e-6 //Field strength (V/m)
D = 20 //Diameter of antenna (m)
c = 3e8 //Speed of light (m/s)
Z_0 = 377 //Intrinsic impedence of free space (ohm)
//Calculation
wave_lt = c/f //Wavelength (m)
A_e = (D*(wave_lt**2))/(4*%pi) //Effective aperture (m^2)
P_r = (E**2)*A_e/Z_0 //Received power (W)
//Result
mprintf("The received power is %.2e W", P_r)
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