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.
>
>