"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -48.00951
        63,  -48.84823
       125,  -51.37884
       250,  -62.99542
       500,  -41.35853
      1000,  -28.82875
      2000,  -54.28612
      4000,  -71.13264
      8000,  -82.88007
     16000,  -82.38969