"IEC 1/1-Oct Mag - dB volts (re:5.75E-007)"
      "Hz"      "Data"
        16,   37.43261
      31.5,   46.75974
        63,    49.0246
       125,    56.0927
       250,   53.12767
       500,   54.24436
      1000,   59.59506
      2000,    64.1109
      4000,   61.31022
      8000,   59.49846
     16000,   56.83622
