Hi Kareem, A friend of mine has the PS1 and PS2 model's, and both
of these devices work well. The only short coming, is they rely on your
PC or notebook to keep time, and as we all know that will require some
external programs. The other point, and I'm not sure on this,  is the 
their is no conversion program from the PSx output to a compatible
"winquake" format. If the format is known it would be  possible to write 
a conversion program. Other than those to point the units work
well for local quakes. I believe one unit is equipped with a (X,Y,Z)
 4.5 Hz geophone. This makes the device useful for local quake detection. But
remember local ground noise can be a problem. 

Cheers

Arie

> 
> Does anyone have a PS-1 or 2 portable seismographic recording system?
> 
> Kareem Lanier
> www.HeyJooJoo.com
> 
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