Low frequeny impact on body
kr4 at is2.nyu.edu
Tue Jun 6 16:03:45 EST 2000
Dan and Sandra Hobson <huh at netins.net> wrote:
> Also what equipment he would use to record this phenomenon in his house. I
> suggested a low frequency pick-up microphone, oscilloscope with
> printer...other ????
That or use a PC+soundcard with FFT software.
> He reports that he does not live near a train or airport. Yet often if a
> glass of water is on the table there will be ripples, and other things will
> be vibrating like there is an earthquake happening...but we do not have that
> many earthquakes here in Iowa. Other ideas that might be causing this that
> he should check out, like mining survey if house was built over old coal
> mining area? He states when this is happening his energy is lower, he feels
> weak, and disturbs his sleep at night. Earplugs don't seem to help.
Check the heating system. Unbalanced blowers or pumps can throw a lot of
LF into a structure.
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