"IEC 1/1-Oct Mag - dB volts (re:1.81E-006)"
      "Hz"      "Data"
        16,   38.58862
      31.5,   39.34802
        63,   39.63657
       125,   43.48577
       250,   42.15374
       500,   45.96241
      1000,   48.09049
      2000,   49.03983
      4000,   52.85431
      8000,   45.62877
     16000,   26.59042
