"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -40.37518
        63,  -38.61693
       125,  -54.05169
       250,   -61.7596
       500,  -43.98506
      1000,  -27.03696
      2000,  -47.83934
      4000,  -67.31151
      8000,    -70.664
     16000,  -80.80391