"Will" wrote:
My thaught is with the 1"mast inside of the sleave (insulated and
centered only connected at the top) what does the added capacitance do
to the sleave lenght?

I'm sorry, I don't know what the velocity factor would be
in that configuration. If you sampled the common mode
current and tuned the frequency for a minimum, it might
give you an idea of the velocity factor.
--
73, Cecil http://www.qsl.net/w5dxp