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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+200\s+Amp\s+low\s+pass\s+filter\s+for\s+power\s+mains\?\s*$/: 7 ]

Total 7 documents matching your query.

1. Topband: 200 Amp low pass filter for power mains? (score: 1)
Author: Ron AE5E via Topband <topband@contesting.com>
Date: Fri, 24 Jan 2020 18:21:16 +0000 (UTC)
I think a good share of noise on 160 for me is coming in on the power line.  The ground mounted transformer is about 1000' feet away and serves other homes as well as mine.  The lines are all buried.
/archives//html/Topband/2020-01/msg00319.html (7,355 bytes)

2. Re: Topband: 200 Amp low pass filter for power mains? (score: 1)
Author: "Richard (Rick) Karlquist" <richard@karlquist.com>
Date: Fri, 24 Jan 2020 11:37:46 -0800
On 1/24/2020 10:21 AM, Ron AE5E via Topband wrote: I think a good share of noise on 160 for me is coming in on the power line.  The ground mounted transformer is about 1000' feet away and serves othe
/archives//html/Topband/2020-01/msg00320.html (9,157 bytes)

3. Re: Topband: 200 Amp low pass filter for power mains? (score: 1)
Author: WW3S <ww3s@zoominternet.net>
Date: Fri, 24 Jan 2020 14:52:32 -0500
I suspect you still have something energized in your house Been there, done that....in my case battery backup in the modem for the voip telephone, terrible square wave.... Sent from my iPad _________
/archives//html/Topband/2020-01/msg00321.html (9,227 bytes)

4. Re: Topband: 200 Amp low pass filter for power mains? (score: 1)
Author: Larry via Topband <topband@contesting.com>
Date: Fri, 24 Jan 2020 20:18:01 +0000 (UTC)
Your local power company is responsible to provide RFI free power. If you have determined that your noise is not coming from sources in your home then a friendly phone call to the power company may s
/archives//html/Topband/2020-01/msg00324.html (9,312 bytes)

5. Re: Topband: 200 Amp low pass filter for power mains? (score: 1)
Author: "m.r.c." <mrc02@kinderteacher.com>
Date: Fri, 24 Jan 2020 20:35:14 -0800
Check your door bell transformer. And the button. If you shut off the main breaker and the noise is gone it is likely something energized by the main power is generating noise. If you switch off ALL
/archives//html/Topband/2020-01/msg00329.html (11,590 bytes)

6. Re: Topband: 200 Amp low pass filter for power mains? (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sat, 25 Jan 2020 11:33:16 -0600
Any lineman can help you determine whether a smart meter is causing a continuous problem. Just have him pull the meter while you check for RFI. I doubt whether this RFI is coming through your power l
/archives//html/Topband/2020-01/msg00331.html (8,332 bytes)

7. Re: Topband: 200 Amp low pass filter for power mains? (score: 1)
Author: <JAYB1943@OPTONLINE.NET>
Date: Tue, 28 Jan 2020 09:12:29 -0500
Try the easy stuff first I had a similar situation a few months ago and got rid of most of it by adding a pair of 0.1 mfd (400 v) capacitors across each leg of the 220 vac line inside the junction bo
/archives//html/Topband/2020-01/msg00339.html (7,872 bytes)


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