"IEC 1/1-Oct Mag - dB volts (re:1.81E-006)"
      "Hz"      "Data"
        16,   32.93895
      31.5,   30.25797
        63,   32.82955
       125,   25.77698
       250,   19.85434
       500,   22.65224
      1000,   25.14003
      2000,   23.05226
      4000,   16.07723
      8000,  0.3689532
     16000,  -6.462097
