I have a DB4 Antenna in my attic. I receive the following:
NBC 25-1- signal of 100
ABC 42-1- signal of 95
PBS 31-1- signal of 95
CBS 19-1- signal of 80-82
The HD picture on 19-1 is great, but even with a signal of 80-82, the picture and audio blips once in awhile. Is this normal? Is...