"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -44.37868
        63,  -46.25091
       125,  -50.39705
       250,   -53.5605
       500,  -43.37183
      1000,  -26.92412
      2000,  -47.38182
      4000,  -56.91176
      8000,  -63.18975
     16000,  -78.45068