"IEC 1/1-Oct Mag - dB volts (re:1.81E-006)"
      "Hz"      "Data"
        16,    38.2052
      31.5,   42.64087
        63,   46.18054
       125,   53.04403
       250,   52.57686
       500,   47.03598
      1000,   51.24749
      2000,    53.6245
      4000,   47.95896
      8000,   43.66494
     16000,   38.21449
