On Mon, 20 September 1999, "Francesco" wrote:

> 
> Hello Meredith
> Here is incoming the third phase.
> Some difficult yet for exact determination.
> However, Asian quake!
> 
> Francesco

OK Francesco,  Hard to gauge the vertical L wave
periods, maybe 12 to 20s in spots, per monitor.  

Horizontal periods maybe 10s to 15s.  Time will
tell.

Useful to me as I tried changing the capacitors
on the Halls instruments, and checking the 
comparison to that of the regular coil/magnet
instruments.  Interesting...doesn't mean it
works any better, but still interesting.

I see even longer period stuff rolling in now...
Very interesting....am sure the long period stuff
exceeds the normal coil/magnet instrument period.

Meredith Lamb



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