"IEC 1/1-Oct Mag - dB volts (re:1.81E-006)"
      "Hz"      "Data"
        16,   34.49497
      31.5,   29.17792
        63,   27.39949
       125,   22.86576
       250,   18.71597
       500,   17.81477
      1000,   19.71083
      2000,   20.91615
      4000,   17.29287
      8000,   1.727612
     16000,  -4.166383