I will stop watching your channel 7.4
because it is no longer viewable.7.1,7.2, and 7.3 are okay. 7.4 has an intermittent break in the signal )both auditory and visual. There is a big beeping sound while the screen goes black for 1/10 of a second. There is no screen picselation. You have a break in your signal your side of the antenna tower.