> Subject: Re: Geophones / Piezo sensors
> From:    ChrisAtUpw@.......
> Date:    Sat, 30 May 2009 23:49:30 EDT
>
> In a message dated 30/05/2009, DSaum@............ writes:
>
> Hi  Chris
> Sounds interesting in theory, but how well does it actually  work?
> Do you have any data / spectra from your piezo device that shows  it
> picks up teleseismic events as well as a my horizontal 4.5 Hz  geophone?
> Dave
>
>
>
> Hi Dave,
>
>     There are more sensor construction details and  circuits at

snip

Hi Chris

Thanks for the construction details, but I still want to see
some of your actual data/spectra showing teleseismic detection
for your piezo system.  You ideas sound great but "There's many
a slip between the cup and the lip".

Dave
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