REFLECTOR: Antenna Degradation Due to Metallic Paint on Bottom

[Richard Riley]

At 10:03 PM 6/5/05, you wrote:
>Has anyone experienced significant (embedded) antenna performance due to the
>use of metallic paint on the bottom of their aircraft?

I did a bunch of experiments with metalic paint (and primer containing Zinc 
and Zinc Chromate) covering a GPS antenna.  No degredation at that 
frequency range at least.

Carbon fiber, OTOH, cut it off completely.  Which makes me think it could 
work as a ground plane.