Originally Posted by
dsmithwc04
In my FE I use an older Kenwood set. It's the TK3160 and I use a sharkfin antenna mounted just in front of the steering wheel. I use a pretty thick square sheet of copper (10" diameter approx) and we get great reception at the tracks we've used it on so far this year (black hawk and Gingerman)
I believe the most overlooked part of making a system work well is using a thick (.083) sheet of copper for the ground plane and keeping the antenna wire as short as possible. Plus the sharkfin antenna better spreads it's signal to its sides rather than straight up in the air which is useless area.