PSN-L Email List Message

Subject: Re: Changes to my Lehman sensor
From: ChrisAtUpw@.......
Date: Sat, 4 Apr 2009 22:15:29 EDT


 
In a message dated 04/04/2009 03:33:28 GMT Daylight Time, jonfr@.........  
writes:

I have  made changes to my Lehman type sensor. It now works (peak is
there) on  0.3Hz, with the lower end around 0.030Hz. I hope that this is
good enough  for me to record teleseismic events.



Hi Jon,
 
    Can you extract about 10 minutes of the data file  with background noise 
on it and send it to me please?
 
    What changes have you made to your Lehman?
 
    Regards, 
 
    Chris Chapman





In a message dated 04/04/2009 03:33:28 GMT Daylight Time, jonfr@........ om=20 writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>I have=20 made changes to my Lehman type sensor. It now works (peak is
there) on=20 0.3Hz, with the lower end around 0.030Hz. I hope that this is
good enou= gh=20 for me to record teleseismic events.
Hi Jon,
 
    Can you extract about 10 minutes of the data fi= le=20 with background noise on it and send it to me please?
 
    What changes have you made to your Lehman?
 
    Regards, 
 
    Chris Chapman

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