"IEC 1/1-Oct Mag - dB volts (re:1.81E-006)"
      "Hz"      "Data"
        16,   32.50265
      31.5,   38.71841
        63,   37.56859
       125,   42.67419
       250,    39.1495
       500,   34.60216
      1000,   36.46708
      2000,   32.89381
      4000,   32.71453
      8000,   25.34895
     16000,   15.35555
