> > That would be consistent with charged drops (or snowflakes
> or dust
> > particles) that hit the "thing" and steadily deposit
> charge. The voltage
> > builds up, and periodically discharges.
>
> It would be consistent with the entire earth charging at a
> different potential than clouds as the earth collects many
> more water, snow, or dust particles than the antenna that is
> connected somehow to earth.
>
again, note that precipitation is not even required. The electric field
near the earth increases enough to cause corona discharge from antennas just
due to the presence of a charged cloud above you.
David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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