PSN-L Email List Message

Subject: RE: Seismic recorders and geophones available - free to a good home
From: "Steve Hammond" shammon1@.............
Date: Mon, 21 Mar 2005 21:00:44 -0800


Larry, I would like some and maybe we can get some for Los Altos High
School.
Thanks, Steve Hammond
  -----Original Message-----
  From: psn-l-request@.............. [mailto:psn-l-request@.................
Behalf Of Jim E ODonnell
  Sent: Monday, March 21, 2005 3:23 PM
  To: psn-l@..............
  Subject: Re: Seismic recorders and geophones available - free to a good
home


  Hi Larry-  I would be interesrted in any of the geophones that are
available-  would be glad to pay the shipping to NV...Jim
                        Jim O'Donnell

           Geological/Geophysical Consultant

            GEOTECHNICAL APPLICATIONS

  702.293.5664               geophysics@..........

  702.281.9081 cell         jimo17@........



  Jim ODonnell

  661 Del Prado Dr.

  Boulder City, NV 89005

  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>...



  On Mon, 21 Mar 2005 14:26:34 -0800 Larry Cochrane
 writes:
  > Hi Everyone,
  >
  > I received this email the other day. The geophones are not very
  > useful for earthquake
  > recording since they are 8 hz units. Since Stanford is near by I
  > could pick up and
  > ship some units to people who are interested in having one of the
  > records and/or
  > sensors. I have no idea how big the records are so I have no idea
  > what the shipping
  > costs would be.
  >
  > Regards,
  > Larry Cochrane
  > Redwood City, PSN
  >
  > Simon Klemperer wrote:
  > > Gray Jensen (USGS) suggested that you might have an interest, or
  > know
  > > of someone who might have an interest, in  industry geophones.
  > > Simon Klemperer
  > >
  > >
  > > Subject: Seismic recorders and geophones available - free to a
  > good home
  > >
  > > Stanford University is disposing of about 180 Seismic Group
  > Recorders
  > > (SGR-III) and associated geophone strings.
  > >
  > > RECORDERS
  > > The SGR III is a single-channel, digital seismic recorder with a
  > > theoretical dynamic range of 156 dB. Data are sampled at 500
  > samples
  > > per second (or at 2 ms intervals) by a 12 bit A/D converter with
  > gain
  > > ranging from 0-90 dB in 6 dB steps, recorded on cartridge tape.
  > > Total available recording time is about 30 minutes, with up to
  > about
  > > 100 programmable windows.  The SGR's have been modified by the
  > USGS
  > > to turn on at preset times instead of using the  standard radio
  > turn
  > > on. Timing is provided by a TXCO with an accuracy of 0.1 ppm (most
  >
  > > SGR clocks drift less than 20 milliseconds during a 24-hour
  > period).
  > > The SGR III recorders were designed by Amoco Production Company,
  > > built by Globe Universal Sciences, Inc., and modified by the USGS.
  >
  > > IRIS-PASSCAL helped maintain the SGR system as a recording
  > facility
  > > available to PASSCAL users through the 1990s, and they were used
  > very
  > > successfully alongside the Refteks in many major controlled source
  >
  > > experiments.
  > > Not all our recorders work - the facility was last used in 2001,
  > and
  > > the SGRs have been in storage ever since. We have available a
  > > miscellaneous supply of spare boards, manuals, connectors, etc.
  > > I estimate the cost to get each unit back in the field for a
  > single
  > > experiment would be >$50, and in a recent experiment in the
  > western
  > > USA I found it more cost-effective to pay for air-freight shipping
  > of
  > > Texan recorders from Europe, than to bring the SGR system out of
  > its
  > > current retirement.
  > >
  > > GEOPHONES
  > > For each SGR III we also own a single string of 6 modified Mark
  > > Products L-10B vertical-component geophones (8 Hz) connected in
  > > series, with c. 1 m cable between each phone.
  > >
  > > We also own a large number of strings of 12 L-10B vertical phones,
  >
  > > and of 12 horizontal phones, in each case with c. 15 m cable
  > between
  > > each phone, one string per clip.
  > >
  > >
  > >
  > > I would consider offers to take all or any part of our equipment.
  >
  > > You would need to pay shipping.
  > > Even if you are not interested, but know of anyone who would want
  >
  > > e.g. single geophones for teaching purposes, please forward this
  > > message.
  > >
  > >
  > >
  > >
  > >
  > >
  >
  > __________________________________________________________
  >
  > Public Seismic Network Mailing List (PSN-L)
  >
  > To leave this list email PSN-L-REQUEST@.............. with
  > the body of the message (first line only): unsubscribe
  > See http://www.seismicnet.com/maillist.html for more information.
  >
  >





Larry,=20 I would like some and maybe we can get some for Los Altos High=20 School.
Thanks, Steve Hammond
-----Original Message-----
From: = psn-l-request@................. [mailto:psn-l-request@...............On Behalf Of Jim E=20 ODonnell
Sent: Monday, March 21, 2005 3:23 PM
To:=20 psn-l@..............
Subject: Re: Seismic recorders and = geophones=20 available - free to a good home

Hi Larry-  I would be interesrted in any of the geophones = that are=20 available-  would be glad to pay the shipping to NV...Jim

           &= nbsp;         =20 Jim O'Donnell    =20

        =20 Geological/Geophysical Consultant

         =20 GEOTECHNICAL APPLICATIONS

702.293.5664          =20     geophysics@..........=

702.281.9081 cell        =20 jimo17@........

 

Jim ODonnell

661 Del Prado Dr.

Boulder City, NV 89005

>>>>>>>>>>>>>>>>>= ;>>>>>>>>>>>>>>>>>>= >>>>>>>>>>>>>>>>>>&= gt;>>>>>>>>>...

 

On Mon, 21 Mar 2005 14:26:34 -0800 Larry Cochrane <lcochrane@..............>= =20 writes:
> Hi Everyone,
>
> I received this email = the other=20 day. The geophones are not very
> useful for earthquake =
>=20 recording since they are 8 hz units. Since Stanford is near by I =
>=20 could pick up and
> ship some units to people who are = interested in=20 having one of the
> records and/or
> sensors. I have no = idea how=20 big the records are so I have no idea
> what the shipping =
>=20 costs would be.
>
> Regards,
> Larry = Cochrane
>=20 Redwood City, PSN
>
> Simon Klemperer wrote:
> > = Gray=20 Jensen (USGS) suggested that you might have an interest, or
> = know=20
> > of someone who might have an interest, in  industry = geophones.
> > Simon Klemperer
> >
> > =
>=20 > Subject: Seismic recorders and geophones available - free to a =
>=20 good home
> >
> > Stanford University is disposing = of about=20 180 Seismic Group
> Recorders
> > (SGR-III) and = associated=20 geophone strings.
> >
> > RECORDERS
> > = The SGR=20 III is a single-channel, digital seismic recorder with a
> > = theoretical dynamic range of 156 dB. Data are sampled at 500
> = samples=20
> > per second (or at 2 ms intervals) by a 12 bit A/D = converter with=20
> gain
> > ranging from 0-90 dB in 6 dB steps, = recorded on=20 cartridge tape.
> > Total available recording time is about = 30=20 minutes, with up to
> about
> > 100 programmable=20 windows.  The SGR's have been modified by the
> USGS =
> >=20 to turn on at preset times instead of using the  standard radio =
>=20 turn
> > on. Timing is provided by a TXCO with an accuracy = of 0.1=20 ppm (most
>
> > SGR clocks drift less than 20 = milliseconds=20 during a 24-hour
> period).
> > The SGR III recorders = were=20 designed by Amoco Production Company,
> > built by Globe = Universal=20 Sciences, Inc., and modified by the USGS.
>
> > = IRIS-PASSCAL=20 helped maintain the SGR system as a recording
> facility =
> >=20 available to PASSCAL users through the 1990s, and they were used =
> very=20
> > successfully alongside the Refteks in many major = controlled=20 source
>
> > experiments.
> > Not all our = recorders=20 work - the facility was last used in 2001,
> and
> > = the SGRs=20 have been in storage ever since. We have available a
> >=20 miscellaneous supply of spare boards, manuals, connectors, = etc.
> > I=20 estimate the cost to get each unit back in the field for a
> = single=20
> > experiment would be >$50, and in a recent experiment = in the=20
> western
> > USA I found it more cost-effective to = pay for=20 air-freight shipping
> of
> > Texan recorders from = Europe,=20 than to bring the SGR system out of
> its
> > current = retirement.
> >
> > GEOPHONES
> > For = each SGR=20 III we also own a single string of 6 modified Mark
> > = Products=20 L-10B vertical-component geophones (8 Hz) connected in
> > = series,=20 with c. 1 m cable between each phone.
> >
> > We = also own a=20 large number of strings of 12 L-10B vertical phones,
>
> = >=20 and of 12 horizontal phones, in each case with c. 15 m cable
> = between=20
> > each phone, one string per clip.
> >
> = >=20
> >
> > I would consider offers to take all or any = part of=20 our equipment.
>
> > You would need to pay = shipping.
>=20 > Even if you are not interested, but know of anyone who would want =
>
> > e.g. single geophones for teaching purposes, = please=20 forward this
> > message.
> >
> > =
> >=20
> >
> >
> >
>
>=20 __________________________________________________________
> =
>=20 Public Seismic Network Mailing List (PSN-L)
>
> To leave = this=20 list email PSN-L-REQUEST@............... =20 with
> the body of the message (first line only): = unsubscribe
>=20 See http://www.seismicnet.co= m/maillist.html=20 for more information.
>
>
 

[ Top ] [ Back ] [ Home Page ]