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There are a couple of things I need clarification on. One is how to evaluate the addition of the RCA preamp when looking at all tuners since they each have different signal strength or signal quality readers currently. For example, the TV that is just directly connected to coaxial cable shows a signal strength in the mid to high 70's for Fox. But, the Tivo Roamio is around 50% while the DVR+ when not utilizing both the Channel Master and Skywalker distribution amp is in the 40's for signal strength. I guess I am saying it is hard to determine wiggle room when trying to check for overpowering a tuner.
The other thing I need clarification on is should the DVR+ tuner be used as the single tuner in the initial tests. It does have a signal quality and signal strength readers than no other TV's/DVR's do. But, it is the tuner that is having the intermittent issues with ABC and its sub-channel that don't seem to be present elsewhere.
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