John Smith wrote:
How better could the actual metal radiator (receiving element) be insulated
from the physical striking of rain drops, other than in the nonconductive
fiberglass casing it already resides in? What am I missing?

Netnews is a challenge. Apparently you have read his
followup posting without reading mine. Just be patient.
My followups will arrive on your server sooner or later.
For instance, if he has uninsulated elevated radials,
the same thing might be happening. Or maybe it's noise
from lightning and not precipitation static at all.
--
73, Cecil http://www.w5dxp.com