Losing signal off and on all stations

my channel search picked up 36 stations here in Wyoming Minnesota all full strength
while watching any station I lose signal off and on will got for a longer time on some stations but always
knocks off just started happening a couple of days ago antenna is new and good one out side
hooked to tv HDMI and run the tablo app on roku been just perfect since I got everything 6 months ago have no more things to check on the antenna or coax connectors all new at a loss here is there maybe something going south in the Tablo anyone else run into this ? any help would appreciate

Gary

You didn’t say anything about an amplifier. Or what a site like antennaweb.org says. Maybe if you indicate your zipcode someone from that area might have answers.

Signal strength doesn’t say anything about signal quality. It’s signal quality that is important