"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,   -44.7965
        63,  -46.34402
       125,  -54.41374
       250,  -58.18311
       500,   -38.2566
      1000,  -25.07088
      2000,  -46.87801
      4000,  -62.74382
      8000,  -66.21162
     16000,  -73.53667