"IEC 1/1-Oct Mag - dB volts (re:1.81E-006)"
      "Hz"      "Data"
        16,   35.35046
      31.5,   38.04381
        63,   36.87068
       125,   41.41965
       250,   37.94572
       500,   31.51154
      1000,   34.68521
      2000,    32.9271
      4000,   29.90317
      8000,   19.94997
     16000,   11.26723
