"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -41.93705
        63,  -41.28351
       125,  -44.08175
       250,  -56.62259
       500,  -42.44873
      1000,   -31.5063
      2000,  -61.05408
      4000,  -69.11246
      8000,   -76.7774
     16000,  -82.14355