OTA question . I only have 2 stations in my DMA . WTRF 32 or 7.1 as it shows up on my tv - low power 4.5, less than10 miles away , but I Can't Get A Signal . WTOV dt 57 or 9-1 and 9-2 ,I was Getting it in the 90's , but in the last week nothing ! I pick up 25 or KDKA 2.1, 48 or WPXI 11.1,43 or...