David Skinner wrote:

Hi,
Just wondering if anyone has constructed a detector for infrasound

Sound practical? Any better ideas? Any plans online?

Although I've seen plans for building several configurations on-line, I
don't have a URL handy.

Here's a good starting point.
http://www.etl.noaa.gov/et1/infrasound/

Be sure to get the pdf doc:
http://www.etl.noaa.gov/et1/infrasou...infrasound.pdf


-Greg