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Old 9-Jan-2012, 6:11 PM   #6
GroundUrMast
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Join Date: Oct 2010
Location: Greater Seattle Area
Posts: 4,773
Combining two dissimilar antennas with a reversed splitter is not always successful. The common experience is that some signals are improved and one or more, and in some cases all, are less reliable. This I believe is due to the combined antenna array being more susceptible to multipath and signals combining out of phase an average of 50% of the time based on the random relationship between antenna spacing and cable lengths. Because each signal source is traveling a different path and is a unique span of frequencies, the performance of the combined antenna array is different for each channel. Your experience is exceptional in positive sense, but does not prove to me that it can not be improved on or that it does not have fault(s) which will appear intermittently to the viewer.

In my 30+ years of paid trouble shooting, I have been humbled on several occasions after having closed my mind to one or more possible causes of trouble that I was attempting to resolve. It gets even more challenging to keep an open mind when there are multiple faults contributing to the same symptom(s).

By connecting just one antenna I was hoping to obtain evidence that the problem was with the station, or, local to the receive antenna array. But, with symptoms no longer present, this test would not provide much if any conclusive information.

You're certainly free to dismiss any and all suggestions of how to diagnose or trouble shoot.

*** Hi Dave you posted a bit before me... sounds like we're one the same page though. Cheers ***
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Last edited by GroundUrMast; 9-Jan-2012 at 7:27 PM. Reason: Ack. DL ... not wanting to step on his post.
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