Being as I use all older CRT sets, I have to rely on Digital convertors, such as Zenith/insignia and Digital Stream units. They seem to be the only ones that work reasonably well in this reception area.
Both refused to turn on or select another channel!
The only thing that goes wrong with these units is the 1000 mfd, 16 volt capacitor and I,m out of them.
The Magnavox/Funai units seem to use better quality caps and are more reliable, but only work with a better signal.