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...
Test your system by taking a plain old rabbit ears antenna and see what you get. Granted I'm usually only an hour north of the big city but I'll bet a coat hanger will get more channels than that mushroom.