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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)