threshhold (rms)     <I>

     0.000000000     0.99999
     0.010000105     0.99962
     0.020000210     0.99851
     0.030000314     0.99691
     0.040000420     0.99483
     0.050000522     0.99232
     0.060000628     0.98953
     0.070000730     0.98564
     0.080000840     0.98118
     0.090000935     0.97676
     0.100001045     0.97187
     0.110001147     0.96677
     0.120001256     0.96076
     0.130001351     0.95443
     0.140001461     0.94799
     0.150001571     0.94173
     0.160001680     0.93490
     0.170001775     0.92780
     0.180001870     0.92100
     0.190001994     0.91367
     0.200002089     0.90608
     0.210002199     0.89894
     0.220002294     0.89171
     0.230002403     0.88449
     0.240002513     0.87612
     0.250002623     0.86818
     0.260002702     0.85988
     0.270002842     0.85189
     0.280002922     0.84348
     0.290003031     0.83583
     0.300003141     0.82824
     0.310003251     0.82017
     0.320003361     0.81248
     0.330003440     0.80441
     0.340003550     0.79702
     0.350003660     0.78956
     0.360003740     0.78194
     0.370003849     0.77404
     0.380003989     0.76648
     0.390004098     0.75870