If you mount it to the pop top then it won't be in position to receive with
the top up.    We have an antenna that we set on the upper bed when the top
is up and then it's easy to adjust from inside.    Seems to work well out to
50 miles.   Just a thought.

Dick & Janette Smith
Norwich, NY
KC2AOC
Retired
85 Westy Vanagon GL
"No One May Step Twice In The Same River"