Hi Dale
Here it is:

http://www.seismicnet.com/quakes/0706/070613.192941.prn.psn

Pete
--- Dale Hardy  wrote:

> Hi Pete, what is the image filename please
> thanks
> Dale
> 
> 
> ----- Original Message ----- 
> From: "Pete Rowe" 
> To: 
> Sent: Thursday, June 14, 2007 1:11 PM
> Subject: Re: Opinion on seismometer
> 
> 
> > OK, thanks larry. I sent it to seismicnet. If all
> is
> > well, everyone should be able to see it at:
> > http://www.seismicnet.com/cgi-dos/event.exe
> >
> > Pete
> > --- Larry Cochrane 
> wrote:
> >
> >> Hi All,
> >>
> >> This is a reminder that you can not send
> attachments
> >> to the PSN-L list. If you have a
> >> file you would like to share with the group you
> will
> >> need to place it on a web/ftp
> >> server somewhere and send the link to the file to
> >> the list. If you do not have access
> >> to a web server I can place the file on my
> system.
> >>
> >> If you have a PSN event file you would like to
> share
> >> with the group you can send them
> >> to event@.............. as attachments. The event
> >> file(s) will show up on this page
> >> http://www.seismicnet.com/cgi-dos/event.exe a few
> >> minutes after my mail server
> >> receives the message.
> >>
> >> Regards,
> >> Larry Cochrane
> >> Redwood City, PSN
> >>
> >> Pete Rowe wrote:
> >> > Hi all
> >> > I sent the following message with a pdf of my
> >> > recording but it bounced back as too large for
> the
> >> > group. I'm not sure how to send it any other
> way.
> >> > Pete
> >> >
> >> >
> >> > Here is my recording of the Guatemalan quake
> >> today. As
> >> > Jan mentioned, my seismometer is the size of a
> >> > shoebox, has a three second period, is
> critically
> >> > damped with a resistor across the coil, has
> almost
> >> no
> >> > weight on the boom, and I can see a 7.0
> anywhere
> >> on
> >> > earth. The suspension is two fine steel wires
> >> (violin
> >> > E string) both of which are in tension. This
> sits
> >> on
> >> > the dirt under my house. The noise level is
> higher
> >> > than normal today due to wind in the trees.
> >> Normally,
> >> > I have a very quiet baseline. It has been
> running
> >> > almost untouched since 1988.
> >> >
> >> > regards,
> >> > Pete Rowe
> >> > San Jose, CA
> >> > --- Jan Froom  wrote:
> >> >
> >> >> I can remember when Pete Rowe and I first
> started
> >> >> playing around with
> >> >> amateur seismometers... I built a large unit
> with
> >> a
> >> >> long boom with a
> >> >> very heavy mass. Pete built a little unit,
> with
> >> no
> >> >> mass on his boom at
> >> >> all. I had my unit mounted on three massive
> >> concrete
> >> >> piers... Pete set
> >> >> his unit on a scrap of 2X4 under his house...
> >> >> Funny thing... we both got about the same
> >> results...
> >> >> and Pete didn't
> >> >> have half the problems I had.
> >> >> Pete finally put a small fish weight on the
> end
> >> of
> >> >> his boom... I sure...
> >> >> simply to appease me.
> >> >>
> >> >> I've also come to the conclusion that the
> antique
> >> >> seismometers I've
> >> >> collected all have large masses and huge coils
> >> >> simply because they had
> >> >> to generate enough power to drive a pen motors
> >> >> directly, with no
> >> >> external amplification. With today's
> amplifiers
> >> and
> >> >> technology you can
> >> >> do a whole lot more with a whole lot less.
> >> >>
> >> >> Since the only response to my query about drum
> >> >> recorders came from
> >> >> Chris... I took his advice and took an aspirin
> >> and
> >> >> thought about my
> >> >> problem. I've decided to take advantage of the
> >> >> antique nature of what I
> >> >> have, and capitalize on that. Part of what
> I've
> >> >> tried to inspire in the
> >> >> kids I've worked with... is the simplicity of
> a
> >> >> seismic monitoring
> >> >> system... the simplicity of a whole lot of
> >> "complex"
> >> >> scientific
> >> >> devices... what better way then to let them
> see
> >> the
> >> >> simple pieces up
> >> >> close... and if it looks a bit  "Rube
> >> >> Goldbergish"... well that will be
> >> >> kool too.
> >> >>
> >> >> Jan in Gilroy.
> >> >>
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >>
> >
>
____________________________________________________________________________________
> >> > Need Mail bonding?
> >> > Go to the Yahoo! Mail Q&A for great tips from
> >> Yahoo! Answers users.
> >> >
> >>
> >
>
http://answers.yahoo.com/dir/?link=list&sid=396546091
> >> >
> >>
> >
>
__________________________________________________________
> >> >
> >> > Public Seismic Network Mailing List (PSN-L)
> >> >
> >> > To leave this list email
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> >> > the body of the message (first line only):
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> >> more information.
> >> >
> >> >
> >>
> >>
> >
>
__________________________________________________________
> >>
> >> Public Seismic Network Mailing List (PSN-L)
> >>
> >> To leave this list email
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> more
> >> information.
> >>
> >
> >
> >
> >
> >
>
____________________________________________________________________________________
> 
=== message truncated ===



 
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