PSN-L Email List Message

Subject: Re: distortion on geophones - conclusion
From: "tdick" dickthomas01@.............
Date: Tue, 29 Jun 2004 08:21:07 -0500



> That effect is due to the big spikes (often originated by the =
connector
> that don't press so well) then the High Pass filter modify the DC =
level
> in the way I see on the chart.

Mauro had a good idea -- the distortion disappeared! See Costa Rico =








 



> That effect is due to the big =
spikes=20
(often originated by the connector
> that don't press so well) =
then the=20
High Pass filter modify the DC =
level
> in the=20
way I see on the chart.


Mauro had a good idea -- the distortion =

disappeared! See Costa Rico quake today at Dad.bachcottage.com in June =
29=20
folder.
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