PSN-L Email List Message

Subject: Re: Trigger
From: ChrisAtUpw@.......
Date: Wed, 18 Jul 2007 12:26:54 EDT


In a message dated 2007/07/18, tchannel1@............ writes:

> Hi Folks,  I would like to have or create a trigger program to work with 
> AmaSeis.  I know very little about a trigger program, but I guess it runs in 
> the background and when an earthquake occurs it set off an alarm, of some kind.

Hi Ted,

       Amaseis is designed for continuous recording in 1 hour files. You can 
set the display high and low pass filters to 1 Hz and enhance the P waves.

       I don't see why a STA/LTA filter could not be provided to run a 'beep' 
on the computer, but you will have to ask Alan Jones about this.

       Regards,

       Chris Chapman   
In a me=
ssage dated 2007/07/18, tchannel1@............ writes:

Hi Folks,  I would like to= have or create a trigger program to work with AmaSeis.  I know very li= ttle about a trigger program, but I guess it runs in the background and when= an earthquake occurs it set off an alarm, of some kind.


Hi Ted,

       Amaseis is designed for continuous reco= rding in 1 hour files. You can set the display high and low pass filters to=20= 1 Hz and enhance the P waves.

       I don't see why a STA/LTA filter could=20= not be provided to run a 'beep' on the computer, but you will have to ask Al= an Jones about this.

       Regards,

       Chris Chapman

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