"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -45.55573
        63,  -39.48812
       125,  -44.18881
       250,  -50.63116
       500,  -40.69739
      1000,  -33.12361
      2000,  -46.19079
      4000,  -57.21321
      8000,  -69.50086
     16000,  -75.83344