Bill wrote:
. Wet trees can also absorb radio waves better then dry
ones.

Trees have vascular systems so are "wet" all the time. Dry trees are
dead trees,

http://www.biology4kids.com/files/pl...lemphloem.html

Oops, forgot to say that water, even with the contaminants of life in
it, doesn't conduct very well when frozen.

tom
K0TAR