Owen Duffy wrote:
Some suggest coating the ladder line with various forms of waxes, eg
silicon car polish for various reasons, including minimising the
change to the line characteristics with precipitation.

I have a spray can of NAPA MAC'S Silicone spray. It says:
"Waterproofs and Insulates". I've got a thunderstorm on
the way and just sprayed about 2 feet of my 450 ohm ladder-
line with it. I'll see if I can tell where the silicone
spray is and if it has any visible effect on the water.
--
73, Cecil http://www.w5dxp.com