"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -46.33168
        63,  -44.77681
       125,  -54.34114
       250,  -61.27612
       500,  -42.84535
      1000,  -28.97404
      2000,  -58.43843
      4000,  -69.79761
      8000,  -77.68533
     16000,  -81.20828