Hi John & Al, and all,

OK John....you know...this just creates more intense curiosity
....ha.

Take care, Meredith

johnc c cole wrote:

> Meredith,
>     I am doing some preliminary construction work on a design submitted
> to me by Al Hrubetz of Dallas, Texas. Al is a member of our group. We
> have worked together on other coil and seismometer designs in the past
> and continue to do so. This particular design is a radical departure from
> anything i am aware of that is being used by the amateur fraternity and
> the development is still in a very early experimental stage. For this
> reason and because we are still working on the prototype , it is too
> early to  pass on any information at this point in time since our work is
> in flux. In fact , I made some construction changes only last week based
> on some design modifications . I will make postings as the work
> progresses , if the seismogram seem appropriate to post . We would
> appreciate any comments on these postings .
>     The gain was set at a minimum on Larry's board . I reduced the gain
> even more using Larry's instructions . Take care . JC



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