I should elaborate a bit about the King Jack antenna mounted permanently to the antenna pole while traveling. If you do this, do it at your own risk. The antenna came with two brackets, one for mounting on the King Jack base and one for a mast. But the instructions said to not leave the antenna mounted to the mast while traveling in the RV. I'm not sure why, but perhaps there were concerns with the mast mounting bracket's durability. That's why I added the safety wire as a precaution. As of today my antenna is still firmly bolted to the mast and I don't see a problem.
To be extra safe, though, you might want to do what Ron in BC does: remove the antenna/mast combination while towing.