Do I understand correctly that you have an amplifier near the
antenna and then another after a 20 ft run of cable????
If that is correct, why??? If you are using RG6 cable, you
shouldn't need two amplifiers. You may not need even one.
Your signal strength should be adequate, even using an attic
antenna, to run without amplification. A roof antenna is most
always the way to go, you could be getting some interference
from wires, venting, pipes, etc, etc in your attic.
I'd try losing the first amp or the second. Use a good quality
connector in lieu of an amp and see if things improve on KMBC.
|