Wow, talk about fancy and expensive looking.

In the tradition of the 1800,s.

A human soul is a part of this device.

Best Regards,
geoff


> need High and Low pass filters.
> 
> Opinions?   Thoughts?
> _http://www.brasswings.com/seis.html_ (http://www.brasswings.com/seis.html) 
> 
> 
> Your main problem is going to be in building sway /  background noise with 
> the people, the wind and the traffic. Check and see if  you can pick up the 
> 5 to 6 second microseism background clearly? See if you  can find some spare 
> space either in a basement or on the ground  floor? 
>    
>    Stick with it!
> 
>    Chris Chapman
>
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