I'm no expert, but no the carbon isn't good enough.  You need about a
4" ground plane.  I've had good luck with the copper paint.

Dan Ballin

On Thu, Sep 23, 2010 at 2:24 PM, Carl Scheid <cscheid@charter.net> wrote:
> We want to mount a transponder antenna in the belly of our LIV. Does the
> carbon fiber provide an adaquate ground plane?
>
>