PSN-L Email List Message

Subject: RE: looks like a new teleseismic event
From: "Stephen Hammond" shammon1@.............
Date: Mon, 2 Apr 2012 21:25:25 -0700


Attention: "Steve ???" who's comments are posted below, as there is more
than one "Steve" on this list, can you also sign with a last initial or
name? It will help to keep the confusion down.
Thanks, Steve Hammond   PSN San Jose, Aptos CA www.publicseismicnetwork.com



-----Original Message-----
From: psnlist-request@.............. [mailto:psnlist-request@...............
On Behalf Of Geoffrey
Sent: Monday, April 02, 2012 8:00 PM
To: psnlist@..............
Subject: Re: looks like a new teleseismic event

Hello Steve,

My education is only grade 14 which means nothing to
the academia.

Although Pride is known as one of the seven deadly sins

All i want to know is 
How would i be able to procure such a device ?

BTW, For myself, as an A-religious person, there is no such thing as a 
sin. I am a US Citizen (Not that religious culture which calls itself 
American).

And,

 From My point of view as a former SONAR tech who has seen
a lot of military equipment.

It is a real PRO looking kind of job and not one of an Amateur.
Using parts of a military nature.

I know that in foreign countries they pay professionals from
Government monies to compete with armatures who are just
doing this stuff for fun.

Looking at your work makes me think you might be such a professional
and not really an amateur like myself who has no such resources to
compare with many peoples at PSN.

Amateur world is not capitalistic (Or so i thought) its just a bunch
of interested peoples in a given field. Who are not trained to be there.

I do not much like Amateur radio because its
brimming with " CIA or NSA like people " and not
simply amateurs. They are exploiting armatures
for spy like reasons or using a given field
covering their real purposes. There is a definite odd
culture about amateur radio which should ideally
be no culture at all.

I would hate to think this field be the same thing.

Is this true of all Amateur things, What I seem to observe in radio ?

I mean what am sensing about it (Amateurs in general)?

That they are being exploited by the spy world ?

geoff



On 4/2/2012 8:25 PM, hsvham wrote:
> Hi Geoff,
>
> the FBV instrument, named "Inyo," was designed by Brett Nordgren and Dave
Nelson. The instrument design, though completely specified by Brett and
Dave, does nonetheless lend itself to some modification, according to the
wishes/needs/expertise of the builder.  Several models of the "Inyo" have
been constructed by the folks in the little group of amateurs that I am
proud to be a part of.
>
> I used scrap metal shapes and purchased what I needed, and did the
machining in my shop.  I don't have an overall cost (but I believe the
materials / parts I had to purchase totaled to a figure far below $200);
that would depend on what mechanical materials and electronic parts the
builder already has at-hand during construction.
>
> The two sensors I am currently running at AlabamaQuake (the FBV, and the
old horizontal Shackleford-Gundersen) are both sitting on a poured concrete
pier, on a limestone rock outcropping in the basement of my house.
>
> The FBV is in a sealed PlexiGlass case, which could be vacuum-evacuated,
but I have it sealed at a nominal ambient pressure, to allow for some
dissipation of heat from the on-board electronics while still preventing
disturbances from the constant atmospheric pressure changes.  The FBV
instrument sits on the floor of the sealed pressure case, a glazed ceramic
tile that is cement-grouted to two concrete-block pavers that make a total
base thickness of some 3.5 inches.  The base is supported on three feet made
of large lead fishing sinkers.
>
> I hope that rough explanation suffices.
>
> Thanks,
> Steve
>
> --- On Mon, 4/2/12, Geoffrey  wrote:
>
>
> From: Geoffrey
> Subject: Re: looks like a new teleseismic event
> To: psnlist@..............
> Date: Monday, April 2, 2012, 2:00 PM
>
>
> Hello Steve,
>
> The Vertical Device
> Force-Balance Broadband Vertical
> Looks Like a Mechanical Engineer
> and not an amateur built it.
>
> The construction style and materials
> are very similar to things i saw
> within the USN.
>
> Can you tell me more about the builders
> their backgrounds and how much
> such a device might cost to buy
> either as a kit or prebuilt ?
>
> ALSO,
>
> Is that case vacuum sealed ?
> If it is vacuum sealed, then:
> Does the device rest on Plexiglass
> or the pedestal foundation ?
>
> geoff
>
>
> On 4/2/2012 6:22 PM, hsvham wrote:
>> That looks like a good record on your heliplot - also getting good copy
on the M6.3 Mexico event from here in Huntsville, at AlabamaQuake,
http://alabamaquake.com
>>
>> Steve
>>
>> --- On Mon, 4/2/12, Geoffrey   wrote:
>>
>>
>> From: Geoffrey
>> Subject: looks like a new teleseismic event
>> To: "PSN_LIST"
>> Date: Monday, April 2, 2012, 12:46 PM
>>
>>
>> http://www.amaseistagva.com/current/page3.html
>> __________________________________________________________
>>
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> __________________________________________________________
>
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