"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -43.84924
        63,  -45.67302
       125,  -50.87767
       250,  -61.05532
       500,  -46.24622
      1000,  -20.79894
      2000,  -42.10503
      4000,   -45.4801
      8000,  -50.79309
     16000,  -67.02869