Test.

-----Original Message-----
From: psn-l-request@.............. [mailto:psn-l-request@............... On
Behalf Of Thomas Dick
Sent: Monday, January 11, 2010 5:04 PM
To: psn-l@..............
Subject: Re: Sensor noise / Winquake fft

Barry Lotz wrote:
>
> Maybe all you folks were aware of it but it just came to my attention 
> now. Winquake has the nice feature that , after selecting an event 
> file, if you select a time window with the mouse and you run a 
> "window" FFT you will see the FFT for that time window. Now display 
> both windows on the same screen one below the other. Set the button to 
> display the event  phases. If you now use the horizontal scroll bar 
> you can start before the event and scroll thru the event noting how 
> the frequencies change as the phases arrive. I see this very useful in 
> selecting the filter to use in processing your data.
>
> Regards
> Barry
> http://www.seismicvault.com
>
> -- 
>
Barry would you try putting this into different words. I tried to do it 
and couldn't get it to work.
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