[SAC-HELP] constant for poles and zeros

[Apostolos Agalos]

 Dear Mohamed Kamaleldin Abdel Galeil Salah

 if you know the pole-zeros then you have to multiply the constant of the
digitizer with the constant of the recording instrument and possibly with
2pi.


-- 
Agalos Apostolos Phd student of Seismology - University of Athens
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>
> Message: 5
> Date: Mon, 30 Mar 2009 19:03:27 +0100
> From: Mohamed Kamaleldin Abdel Galeil Salah <mohamed.salah at ist.utl.pt>
> Subject: [SAC-HELP] Poles and Zeros
> To: sac-help at iris.washington.edu
> Message-ID: <20090330190327.aeismdjgo40w84cg at mail1.ist.utl.pt>
> Content-Type: text/plain;	charset=ISO-8859-1;	DelSp="Yes";
> 	format="flowed"
>
> Dear SAC users
>
> I am working on data from a list of seismic stations which have
> different types of sensors: CMG-40, CMG-3T-120s, CMG-3ESP, STS-1, and
> STS-2. I need to remove the instrument response from SAC files. I
> could get information on Poles and Zeros data. However, I could not
> find enough information about the normalizing factor and hence, how to
> calculate the CONSTANT value.
> If any one has information about the CONSTANT of these sensor types, I
> will appreciate it!
>
> Regards!