Quote Originally Posted by Jeff Bayley View Post
Didn't realize that our aluminum roofs provided the suitable ground plane but now that I think about it most of what I remember was as a 14 year old infatuated with CB's and I had a base station antenna that in fact was made completed out of aluminum. Do anyone think there would be any gain at all using metal or maybe stainless steel base plate in between the antenna and the roof in the event that you were changing the antenna anyway ?
Jeff, I believe if you have good contact with the metal roof nothing else would be required.

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