"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -47.53487
        63,  -47.18996
       125,  -55.49155
       250,  -61.34588
       500,  -44.02372
      1000,  -29.41003
      2000,  -53.85947
      4000,  -63.63379
      8000,  -76.62851
     16000,  -81.58912