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+// chapter 7 example 11
+//-----------------------------------------------------------------------------
+clc;
+clear;
+// given data
+f       = 300*10^6;     // operating frequency in Hz
+c       = 3*10^10;       // velocity of EM wave in cm/s
+
+// Calculations
+lamda   = c/f;          // wavelength in cm
+// Physical length of antenna is made 5% shorter than desired length as per rule of thumb
+l       = lamda/2;      // length of halfwave dipole
+lphy    = l-(5/100)*l;  // as per rule of thumb
+
+// Output
+mprintf('Length of a half wave dipole to be cut = %3.1f cm',lphy);
+//------------------------------------------------------------------------------