I mounted mine using a Teraflex driver's side taillight mount...and then ran the antenna in between the soft top and back window under the zipper. There's a gap just big enough to run the wire through. You can prolly do the same on the passenger side as well.
"We don't build great brakes because we think you don't know how to drive, we build them for the guy on the road in front of you that doesn't." - Black Magic Brakes