"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,   -41.5503
        63,  -40.46111
       125,  -46.83286
       250,  -52.66101
       500,  -43.13268
      1000,  -31.64511
      2000,  -52.89043
      4000,  -60.81302
      8000,  -72.53067
     16000,  -80.04124