Have a 2014 Grey Wolf 26 DBH TT with what looks like a mushroom shape antenna that I believe is affixed to the roof. Have a ton of trouble getting any channels (north of the Kansas City area) or anyw...
If you can't raise/lower or rotate, it sounds like you have the absolute worst possible antenna for an RV - fixed position omnidirectional. Replace it with a batwing or jack on a stalk.