Looks like the # on the krohn-hite is 401247238.  There are actually 5 K-H =
filters or oscillators on ebay.  My question is, could this help me filter =
out my local radio station that I'm picking up on my seismograph? If so, =
how does one wire in a filter like this?  where in the system does it go?  =
before the preamp? before the amplifier? after the amp but before the =
serial box interface? =20

Any ideas on how one of these gets connected up?


John Tacinelli
Earth Science Instructor
Rochester Community and Technical College


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