additional comments

Author: nmahesh1412

src/pyuvdata/uvbeam/feko_beam.py

@@ -250,6 +250,10 @@ def read_feko_beam(
                 phi_real_col = np.where(np.array(column_names) == "Re(Ephi)")[0][0]
                 phi_imag_col = np.where(np.array(column_names) == "Im(Ephi)")[0][0]
 
+                ##the E field magnitudes are taken as the sqrt of the power gain so that
+                ##the input power and Zo are taken into account. Taking the magnitude of
+                ##the E-fields from the real and imag parts doesnt account for the input
+                ##power & will need that information from different output file of FEKO
                 theta_mag = np.sqrt(10 ** (data[i, :, theta_mag_col] / 10)).reshape(
                     (theta_axis.size, phi_axis.size), order="F"
                 )