HD/.5/.25 : Horizontal half-wave Dipole at lambda/4
 8     8 parameters
  0.00  [ 1] Max Gain dBi
  23    [ 2] Antenna Type
  14    [ 3] Ground Dielectric Constant (1-80)
0.00200 [ 4] Ground Conductivity (.00003-5.0 mhos/m)
10.000  [ 5] Operating Freq
 -0.50  [ 6] Antenna Length (meters, wavelengths if < 0)
 -0.25  [ 7] Antenna Height (meters, wavelengths if < 0)
  0.00  [ 8] Gain above 1/2 wavelength horiz dipole (dB)