I have the typical crank-up rotatable “T” shaped antenna you see in the TT camp grounds. I believe they are made by Winegaurd. In 6 different camp grounds near major cities, we have only been able...
Don't spend money on the Wingman until you get your present antenna working. Connectors can work loose or become corroded. If the antenna has a built in amplifier, make sure it is getting 12 volt up the coax cable.
Once you get your present antenna working, then the Wingman is a worthwhile investment.