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Old 8-Jan-2018, 6:29 AM   #2
OTAFAN
Senior Member
 
Join Date: Apr 2015
Posts: 260
I too have a Samsung TV, Alan909.

Whenever I have run into "Mode Not Supported" issue like you're having, either the signal from Mt. Wilson, LACO SoCal (my towers), has been interrupted by something or a Network feed issue has developed from source, especially if signal strength is as low as you list. Anything below the "digital cliff" of 15 and you will definitely lose your picture. And anything slightly above that will be problematic. My rookie guess would be that those new channels are too weak for your tuner.

Perhaps you could give some more specifics as to your TV tower location, etc. and some of the more experienced posters could chime in with a more detailed analysis.

I hope this at least gives you some helpful input.
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