3-Sep-2015, 10:49 PM
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#59
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Retired A/V Tech
Join Date: Aug 2012
Location: S.E. VA
Posts: 2,747
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So right after a thunderstorm i get 85% quality. Wtf
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On WJBK? That's a clue for power line noise, which is common on VHF.
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Originally Posted by MikeBear
For instance, WJRT-12 averages only 18-19db, which isn't much above the minimum.
The other day (Friday 8/7) was pretty bad, but then the rain started later in the evening, and the problem settled down and got better as the night went along and the signal level came up 5-8 points.
I thought about some sort of electrical issue, but if it's that, I don't know what could be doing it, and why it would be intermittent.
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I answered:
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Originally Posted by rabbit73
My guess is electrical interference from power line noise, which is worse on VHF than UHF.
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Quote:
Originally Posted by No static at all
Powerline interference is usually worst during dry weather (low humidity) from my experience. As humidity rises the interference tends to lessen, especially when raining.
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It was power line noise.
Last edited by rabbit73; 3-Sep-2015 at 10:53 PM.
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