We also had a problem picking up over the air TV Channels in our 2017 Axis 24.1. It turns out that the TVs Thor installed would only pickup analog signals. They worked fine when we first purchased the Motorhome but, after most TV broadcasting stations changed to digital (in 2019 I believe) we could not pick up any channels over the air. We purchased a fairly inexpensive digital converter box through Amazon ($29.99) and now can pickup a wide variety of channels when in or near larger metropolitan areas.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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