PSN-L Email List Message

Subject: FFT
From: "Rolando Benitez" rbenitez@........
Date: Thu, 8 Aug 2002 21:56:59 -0600

Larry et al,
I am a newcomer -almost- in this list and an apprentice of the earthquakes
sciences, I have been posting events at the PSN web page since late May,
having the good fortune to live in the middle of a very active area, I have
posted a few. As a beginner I need to learn a lot about many things, I have
received wonderful help from several PSN members, thank to them I am
enjoying this very much. I would like to address some questions to the group
looking for some light in the area of what the FFT module of WINQUAKE is,
I've used the filters in a very practical and blind way, so I have a slight
idea of what it can be used for,  but have no clue in the relationship among
the period of sensor and the freq of the event and the proximity of quake,
etc, and the FFT screen, so I really need further assistance. Can someone
give me some light, please? How can I find some info in the Internet, book,
etc.,? Your help would be very appreciated.
Best regards from Fraijanes, Guatemala.
Rolando Benitez


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