"IEC 1/1-Oct Mag - dB volts (re:5.75E-007)"
      "Hz"      "Data"
        16,   37.99733
      31.5,   43.89063
        63,   41.72494
       125,   50.14699
       250,   50.99368
       500,   52.87275
      1000,   55.21286
      2000,   61.11811
      4000,   63.74673
      8000,    59.3084
     16000,   49.32996