Before I dig up my geophone which are about four feet down in my rose =
bed -- I am trying to figure out if this distortion of wave form is due =
to water in the bottom of the hole or due to a changes in the amplifier. =
On local mine blasts I am getting distortion while on earthquakes I am =
not. I have posted some examples at this site

http://Dad.bachcottage.com

it will look like a drive on your computer, open folder called =







Before I dig up my geophone which are =
about four=20
feet down in my rose bed -- I am trying to figure out if this distortion =
of wave=20
form is due to water in the bottom of the hole or due to a changes in =
the=20
amplifier. On local mine blasts I am getting distortion while on =
earthquakes I=20
am not. I have posted some examples at this site
 
http://Dad.bachcottage.com=

 
it will look like a drive on your =
computer, open=20
folder called Distortion on geophones