In a message dated 06/08/01, dcrice@............ writes:

> I think the web site http://www.gns.cri.nz/earthact/probe/index.html
> does an adequate job of explaining what a Stephenson probe is, so
> probably the correct question is why?....

       You explanation of why was fine, Doug.

> Casey Crane wrote:
> > Hey y'all, What is a stephenson probe?
> 
       However, I agree with Casey. We are told nothing except that it is an 
accelerometer mounted in a strong case that can be pushed into the ground.

       A few minor details like what frequency ranges and what axes does it 
measure, what power supplies does it need, what is it's output, could all be 
of interest? You don't acquire kit like that for it's decorative properties 
or because it is called Stephenson.  A rough idea of what he considers is 
'low cost', might be enlightening.

       More pertinent, is it something that we might want to use / could use? 
Say if we happened to find an abandoned one and dug it up?

       Regards,

       Chris Chapman

In a message dated 06/08/01, dcrice@............ writes:



I thin
k the web site http://www.gns.cri.nz/earthact/probe/index.html

does an adequate job of explaining what a Stephenson probe is, so

probably the correct question is why?....



       You expl
anation of why was fine, Doug.



Casey Crane wrote:

> Hey y'all, What is a stephenson probe?



       However, I agree with Casey. We are told nothing except that it is an 

accelerometer mounted in a strong case that can be pushed into the ground.



       A few minor details like what frequency ranges and what axes does it 

measure, what power supplies does it need, what is it's output, could all be 

of interest? You don't acquire kit like that for it's decorative properties 

or because it is called Stephenson.  A rough idea of what he considers is 

'low cost', might be enlightening.



       More pertinent, is it something that we might want to use / could use? 

Say if we happened to find an abandoned one and dug it up?



       Regards,



       Chris Chapman