On Sunday, February 28, 2016 at 11:24:09 AM UTC-5, JS wrote:
If it's a "27", not a "27B" or "29", there is a place below the seat pan, under your left knee that a ground plane and stubby antenna can be mounted.
It tests fine at TXP certification, is relatively easy to install and connect, and is zero drag.
Jim

RF transmitting a foot and a half from the family jewels may not be optimum.
FWIW
UH