"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -39.02812
        63,  -44.06923
       125,  -46.35384
       250,  -61.07761
       500,  -43.72163
      1000,  -28.25637
      2000,  -49.71401
      4000,  -59.95771
      8000,  -65.92849
     16000,  -78.49506