On Saturday, January 18, 2014 1:10:46 PM UTC-5, who's me? wrote:
Got a question for all you radioheads out there. I am installing a Becker Xnder and I notice my other glider has a 8"x8" or so grounding plane attached (glue?) on the inside where the antenna is mounted. Question??? I need ground plane information such as size, thickness, installation tips, do's and don't, ideas. The Becker is a 250 watts version and I will be using a small 2.5" wire rod type antenna. Thank you all, R

Thickness does not matter. I usually use a piece of .016 aluminum. Installation manual should define sise, but about 5 inches in diameter is what I recall.
On glass ship it can go inside. On carbon ship I put on outside behind the gear with 2 sided tape.
UH