Welcome, Steve:
Sorry that you are having reception problems. I agree with ADTech, it is more likely the aircraft in the signal path than RF interference. If it were electrical interference, it would have a different timing pattern, but you could check that out with a portable radio that tunes the AM broadcast band.
Thanks for the tvfool image, but a link to the actual report is more useful so that we can click on a callsign to see the terrain profile.
I don't have your exact address, so I derived an estimate of your location from your report to make an analysis. I think I'm pretty close with this report:
http://www.tvfool.com/?option=com_wr...e2cbc42e54ebbf
and I did a signal line map using the tvfool interactive map browser that is close to your map
your map
Quote:
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I am 29 miles from the antennas and the report shows me at 2Edge but I think I am LOS.
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I did a terrain profile that shows the WSB signal grazing a few peaks on its way to your antenna, so I think the 2Edge designation is justified, especially since the computer simulation doesn't include ground clutter
The proof is, when I raise your antenna to 30 feet, I see LOS for some signals
http://www.tvfool.com/?option=com_wr...e2cb40e510602f