Bob, I will download and try your WQFilter.exe
Thanks for the advise.
Ted


----- Original Message ----- 
From: "Robert McClure" 
To: "psn-l" 
Sent: Tuesday, December 22, 2009 4:02 PM
Subject: Re: Vertical vs. Horz.


> Hi Ted,
> 
>  It is easy to get long period period response from a short period
> sensor. Just use my utility program, WQFilter.exe. It operates on PSN
> Type 4 files, and can extend the useful period by a factor of 8 or
> more. I operate medium period sensors, and I would be lost without
> this program. See my web site at
> 
> http://sites.google.com/site/bobmcclure90/home
> 
> for the program and explanatory pages. Be sure to follow my
> recommendations on the optimal use of WQFilter.
> 
> Bob
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