"Power Spectrum IEC 1/1-Oct Mag - dB volts "
      "Hz"      "Data"
        16,       -200
      31.5,  -42.11201
        63,  -40.55174
       125,  -38.93053
       250,  -44.67873
       500,  -43.26474
      1000,  -28.09256
      2000,  -44.71352
      4000,  -40.62832
      8000,  -46.73439
     16000,  -59.02045