Ed et al
   It's based on the 10 hz geophone advertised by All Electronics. I have used one
with other circuitry and it worked for me @ distances < ~200km. The article uses an
8 bit A/D and about 60 sec of storage at 16 s/sec.
Barry


Edward Cranswick wrote:

> Philip & John & Ron-
>     Philip, your post caught my eye, but John did a better job than I of
> spelunking through the website to find the pertinent data. A low-cost
> strong-motion sensor appropriate for mass deployments in seismogenic urban areas
> has been my Holy Grail for the past decade, and so this looks interesting. If
> you don't record the ground motions on both sides of the street, you can't
> explain why the building on one side fell down and the building on the other
> side did not: see Turkey .
>     I did consider posting part of this message on the Poptronix forum
> 
> but it became too complicated for me to figure out.
> -Edward
>


_____________________________________________________________________

Public Seismic Network Mailing List (PSN-L)