"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,   -43.6955
        63,  -36.96243
       125,  -43.54623
       250,  -49.52646
       500,  -43.13766
      1000,  -32.23444
      2000,  -57.33395
      4000,  -63.84685
      8000,  -79.17203
     16000,  -81.65211