Hi All,

Someone mentioned wanting to know more about poles and zeros as used 
with seismometers which encouraged me to clean up an Excel workbook 
I'd made for myself to help me use them for describing ours.  I was 
using the pole and zero information to run a noise modeling program 
but I believe that it is the same information contained in dataless 
SEED headers and in other systems that require seismometer response 
data in P&Z form.

The file is at:    http://bnordgren.org/seismo/Poles&Zeros.zip

Included is a three-page document of instructions on how to get 
started using Poles & Zeros with the Excel workbook.  It was written 
to include as much useful description in as few words as possible and 
it deals entirely with the "how" of using P & Z, and says practically 
nothing about what they are or where they come from.  Purists please 
be forewarned.

If anyone finds typos or other errors, or if something is worded 
unclearly or needs to be expanded, please let me know.

Regards,
Brett



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