Quote:
Originally Posted by Billiam
Thank you for the thoughtful reply. Yes, they are stacked vertically, not horizontally. Not sure a horizontal coupling is going to hold well up there. I did not realize I was losing around 3db of gain with the coupler. The Winegard Tech told me I would actually lose no signal when coupling in this manner. That may be the problem then.
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I'd suggest that the problem is a combination of a weak signal and interference from KOAM.
Your pair of Y1713s can be stacked horizontally about 34" apart to null KOAM and still add 2-3 db to KQTV.
http://www.hdtvprimer.com/ANTENNAS/ganging.html
When combined with a CC7870 they will add by about 2 db. If this arrangement works your problem is interference. If not, you'll need more antenna gain.