"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -45.37409
        63,  -43.19908
       125,  -52.98653
       250,  -57.82876
       500,  -37.20674
      1000,   -28.3663
      2000,   -44.1466
      4000,  -64.63515
      8000,  -62.84377
     16000,   -70.8585