"IEC 1/1-Oct Mag - dB volts (re:1.81E-006)"
      "Hz"      "Data"
        16,    30.2633
      31.5,   37.30753
        63,   35.69727
       125,   41.76299
       250,   40.51334
       500,   37.09924
      1000,   42.86022
      2000,   44.49037
      4000,   44.11211
      8000,   34.31069
     16000,   22.51843
