Are you renting a seasonal spot only, meaning you own your RV, or are you renting the RV too?
If you own your RV, you can easily add a new coax cable connection into the RV avoiding the installed antenna/cable powered connector. We stayed at one location where the RV park supplied a cable set-top-box and it would not work with the OEM RV cable/antenna booster connector (on or off) as the frequency must have been filtered out. So I easily added a direct cable connection that would also work with satellite. Now, I have the best of both worlds for any reception, only have to switch to the appropriate cable on the back of the TV set or just add an A/B coax switch.
https://smile.amazon.com/JR-Products-476-B-2--Polar-White/dp/B002UC4WZU/ref=sr_1_1?ie=UTF8&qid=1469107379&sr=8-1&keywords=rv+cable+connector