A simple thing to do is he  he  he has a  I forget if it  this was in that mail or in the following mail , but he has a  a simple filter , a digital filter that he suggested. We just run over the data before we deal with it.
Mm - hmm.
um The other thing that I don't know the answer to , but when people are using Feacalc here , uh whether they 're using it with the high - pass filter option or not. And I don't know if anybody knows.
Um.  I could go check.