"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -47.61439
        63,  -47.66592
       125,  -53.56144
       250,  -63.47605
       500,  -42.48536
      1000,  -27.40549
      2000,  -56.95337
      4000,  -72.89592
      8000,   -80.0032
     16000,  -82.20126