> Separate
>> from these surface cracks were spatially
>> dispersed, harmonic "pings" that ricocheted and
>> tended to cluster around intervals about 5-20
>> minutes apart.=A0
>
>All this sounds right except with the ideal conditions the interval
>should be 5 to 20 secs apart. Maybe a typo.
>
>I will let you all know if I see it come together.
>
>Rich
>
How about clusters of 1-5 pings lasting as long
as 20 seconds and cluster events separated by 5
to 20 minutes?
________________________________________________________________________
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"Microphones are not ears,
Loudspeakers are not birds,
A listening room is not nature."
Klas Strandberg
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