Highly annoying interference problem
This started a week or two ago, and it's getting worse. It's not on FM, but it goes up through every band on my A600. https://youtu.be/MiMjdWGOyQU
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Sounds like SWMPS noise. Any new electronics in your home lately such as wall warts, Computer power supplies non-incandescent lightbulbs, etc? If so unplug them, and see if it goes away. Another option if you don't know is to turn off every breaker but the one your radio is on (make sure you know every device powered by that breaker) and see if the noise goes away. If it don't then the problem is either on the breaker that feeds your radio, or a neighbor's device that is radiating.
If it is a neighbor's see if it comes and goes at different times of day and observe what lights come on and go off. You may be able to track it down and convince them to stop using it. |
About a year ago, I tracked down a similar interference to a battery charger that I bought for rapid charging of power tool battery packs. I isolated the source by turning off breakers until the noise stopped, then unplugging everything on that circuit and plugging them in one at a time.
jr |
Problem isn't in my house. https://youtu.be/_7rYR87ovQo
Edit - I found the problem. It was on the same outlet as the radio. The problem is the 10 year old electric fence transformer outside. Something is wrong with it, and it buzzes at 60 Hz outside, and the fence is acting like a huge antenna. I turned it off, and me and my mother got into a huge fight about it. God forbid her dogs get out. |
I had problems not that long ago with a HPS alley light recycling from a bad tube. It took two weeks of hassling the power company but finally was successful. No recycling "hash" on my Philco 37-665B!
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Probably a loose or corroded connection arcing somewhere in the wire fence.
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