threshhold (rms)    <I>

     0.000000000    0.99999 
     0.010000483    0.99932 
     0.020000966    0.99748 
     0.030001448    0.99461 
     0.040001933    0.99075 
     0.050002415    0.98592 
     0.060002897    0.98014 
     0.070003383    0.97333 
     0.080003865    0.96665 
     0.090004347    0.95885 
     0.100004829    0.95060 
     0.110005312    0.94160 
     0.120005794    0.93180 
     0.130006284    0.92161 
     0.140006766    0.91050 
     0.150007248    0.89979 
     0.160007730    0.88900 
     0.170008212    0.87808 
     0.180008695    0.86718 
     0.190009177    0.85519 
     0.200009659    0.84274 
     0.210010141    0.83102 
     0.220010623    0.81879 
     0.230011106    0.80641 
     0.240011588    0.79429 
     0.250012070    0.78276 
     0.260012567    0.77197 
     0.270013034    0.76012 
     0.280013531    0.74903 
     0.290013999    0.73705 
     0.300014496    0.72534 
     0.310014963    0.71384 
     0.320015460    0.70249 
     0.330015928    0.69136 
     0.340016425    0.68031 
     0.350016892    0.66927 
     0.360017389    0.65847 
     0.370017856    0.64752 
     0.380018353    0.63663 
     0.390018821    0.62675