From: James (xenoticus_at_yahoo.com)
Date: 2001-10-09 11:03:03
there is a circuit at http://www.elfrad.com/ that may serve you well,
with some modification. It is designed to pick up ulf/elf
geomagnetics. Of course you probably won't need the antennas or the
high voltage surge protection ;)
There is also a yahoo group which is associated with elfrad.
Sic Luceat Lux
Xenoticus
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