"IEC 1/1-Oct Mag - dB volts (re:1.81E-008)"
      "Hz"      "Data"
        16,   31.54609
      31.5,   44.01115
        63,   60.99343
       125,   73.62449
       250,   74.42149
       500,   79.55839
      1000,   83.26366
      2000,   88.16611
      4000,    91.1088
      8000,   92.56079
     16000,   95.64954