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Lights and Radio

bookman51

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Joined
Apr 6, 2006
Messages
820
Location
Kearney, Nebraska
About 8 or 10 years ago I had put in fluorescent lights in my shop. T8s if I remember correctly. The local electrical supply house said the lights would not bother my radio. They were wrong. The lights were commercial lights and I could not operate my old Sony boombox radio. So, I put in an outside antenna and ran a shielded cable from into the shop and connected it to a used surround sound system I picked up on Craigslist. The old Sony boombox has sat since then. A week or so ago I thought I would sell the old radio and so I turned it on and it works fine with the lights on. No static or interference. What the %$#$%?? So what would have happened in the past 8 to 10 years that would cause my old Sony boom box to work fine with the lights on. When I drive my pickup into the shop with the radio on (FM) I immediately get static. Just curious as to the answer. I am keeping the radio now. Thanks in advance
 
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Sevenhills1952

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Aug 30, 2018
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1,750
Location
Virginia
Who knows. Maybe you have a better ground (rain?), maybe over time you changed a noisy light tube? Maybe that station upped their power? Could be lots of reasons.

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nadogail

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Joined
Jan 23, 2009
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32,358
Location
Coronado, CA
That is why in electronics the operative term is “state of the art” not “state of the science”.
 
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bookman51

Well-known member
Joined
Apr 6, 2006
Messages
820
Location
Kearney, Nebraska
Who knows. Maybe you have a better ground (rain?), maybe over time you changed a noisy light tube? Maybe that station upped their power? Could be lots of reasons.

Sent from my SM-S205DL using Tapatalk

Better ground, perhaps. Not changed any lights. The interference probably would come from the ballasts anyway. Not a matter of upping power unless all radio stations did it. An imponderable. Thanks:dunno:
 
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dogdog

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Nov 15, 2011
Messages
12,711
Good as explanation as any. Never changed any lights or ballasts but may "somehow" a better ground developed. Thanks:bowdown:

I can't replicated it so can't really say anything solid... but if your sony radio is portable, bring it around the lights and see if you can ID one two or all light is generating these interference... Maybe they are getting out, getting out of spec, not sure. But those Class A class B is a spec... You'll have to find pattern...

They even have usb dongles that you can use with your laptop to generate a spectrum... if you like new toys SDR dongles... Not sure how much it bothers you to go digging...

who would have thought things like these could have happen.

https://thenextweb.com/insights/2020/09/22/old-tv-breaks-internet-village/
 

Sevenhills1952

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Joined
Aug 30, 2018
Messages
1,750
Location
Virginia
Maybe it has something to do with planet alignment and moon phase. All I know is when your interference stopped my wife got out the vacuum and we had fried chicken and mashed potatoes for dinner.[emoji38]

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