Thank you for your answers. What is puzzling me is that when I disconnect AC power from my antenna, I just don't get any signal from several channels.
I also did a test: using analog channel #17 ("close" to targeted HD chan#19), the picture is better with the amp activated.
Could it be that my antenna will not work unless the amplifier is working? What seems to comply with your theory though is that I set the amp to the minimum (if I tune it higher, signal worsens).
Could you also please recommend good antennas for my situation (specific model/brand)? Mine only cost me 8$ (refurbished; original cost 17$), but I want something that works.
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