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Total 33 documents matching your query.

21. [RFI] Internet Switch RFI (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Sat, 21 Nov 2020 23:15:15 +0000
I know internet switches have been discussed a couple of years back, but I found no help in the archives. A new S-9 RFI noise just appeared on 3.513 KHz as the center frequency.  It's a hump about 14
/archives//html/RFI/2020-11/msg00056.html (7,510 bytes)

22. Re: [RFI] Samlex SEC-1235M RFI test report (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Thu, 9 Sep 2021 00:32:14 +0000
This is a great power supply, but has a very common failure mode:  Two switching transistors.  They are two rectangular gray units mounted together.  One of my friends who fixes radios in my area has
/archives//html/RFI/2021-09/msg00002.html (7,214 bytes)

23. [RFI] Analog Wall Wart 29v DC (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Sun, 12 Dec 2021 22:51:54 +0000
I'm looking for some 29v DC @ 210ma or slightly higher analog wall warts to replace the switching garbage supplies that came with outdoor LED Christmas lights.  Filtering was a waste of time.  Withou
/archives//html/RFI/2021-12/msg00021.html (6,559 bytes)

24. [RFI] Another Solar Panel RFI System (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Fri, 16 Dec 2022 01:54:34 +0000
All the RFI problems I've seen from neighbors have been solved by isolating the problem device from the line with an adequate EMI filter from Corcom.  One LED strip lighting problem was solved only b
/archives//html/RFI/2022-12/msg00024.html (6,726 bytes)

25. Re: [RFI] Another Solar Panel RFI System (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Fri, 16 Dec 2022 17:01:35 +0000
It's interesting to hear that Solar Edge *is* actually radiating from the house wiring, if only in part.  It's still radiating from house wiring, so who knows where the main source of that interferen
/archives//html/RFI/2022-12/msg00026.html (11,625 bytes)

26. [RFI] RFI In LG TV (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Sat, 12 Aug 2023 18:27:06 +0000
I have a RFI problem with a new LG 65" 4K TV.  It replaced a 7 year old Sony LCD 65" that never had problems with RFI.  Without getting into details with antenna type, distance, position, location of
/archives//html/RFI/2023-08/msg00000.html (6,827 bytes)

27. Re: [RFI] RFI in LG TV (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Sat, 12 Aug 2023 19:14:03 +0000
Dave, thanks for the note.  I suspected as much. It will be interesting to see if others have the same experience. If I remove the HDMI input there is still video displayed, including the input fault
/archives//html/RFI/2023-08/msg00003.html (7,155 bytes)

28. Re: [RFI] RFI in LG TV (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Sat, 12 Aug 2023 20:28:32 +0000
Jim, thanks for the note.  Unfortunately, it would be a major project to open up this 65" TV after removing it from its mount to check for the pin 1 problem.  The only cables connected to the TV are
/archives//html/RFI/2023-08/msg00007.html (7,349 bytes)

29. Re: [RFI] LED Street lights (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Wed, 30 Aug 2023 17:31:48 +0000
Ed, In every RFI case I've had involving LED lighting in fixtures like chandeliers, the solution has been to either isolate the switching power supply from the line with a Corcom filter, or in the ca
/archives//html/RFI/2023-08/msg00048.html (10,158 bytes)

30. [RFI] Refrigerator RFI (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Fri, 8 Sep 2023 00:04:06 +0000
Help!  We suddenly need a new refrigerator, so am looking to find out which ones are RFI generators and which ones are established as clean.  Any input?   73, Jim W6YA _______________________________
/archives//html/RFI/2023-09/msg00001.html (6,867 bytes)

31. Re: [RFI] Refrigerator RFI (score: 1)
Author: Jim McCook <w6ya@cox.net>
Date: Fri, 8 Sep 2023 14:43:33 +0000
Alan, Rob, Dave, Mike, Jim....thanks for all the helpful responses.  We're dealing with a 36" built-in space, which is limiting choices.  I'll be prepared to deal with RFI with a big clamp-on or two,
/archives//html/RFI/2023-09/msg00007.html (7,096 bytes)

32. Re: [RFI] Refrigerator RFI (score: 1)
Author: Jim McCook <JimW6YA@cox.net>
Date: Sat, 9 Sep 2023 01:03:06 +0000
Today we bought a SubZero fridge that had the full electrical function, not just display mode.  We have a 36" wide x 84" high built-in space, so choices are limited.  My Sony portable detected a mino
/archives//html/RFI/2023-09/msg00013.html (7,809 bytes)

33. Re: [RFI] Refrogeratpr RFI (score: 1)
Author: Jim McCook <JimW6YA@cox.net>
Date: Thu, 21 Sep 2023 17:04:27 +0000
New SubZero refrigerator + one K9YC style monster clamp-on ferrite with 5 turns = NO RFI anywhere on HF.   Jim W6YA _______________________________________________ RFI mailing list RFI@contesting.com
/archives//html/RFI/2023-09/msg00037.html (6,249 bytes)


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