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1. [RFI] Line noise vs Frequency (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sun, 8 Aug 2021 08:24:33 -0400; A (probably) dumb question: I have a severe line noise to my west. For some reason it is manageable on 20, much worse on 15 and crippling on 10. These subjective descriptions are confirmed on my S; /archives//html/RFI/2021-08/msg00000.html (6,303 bytes)
2. Re: [RFI] Line noise vs Frequency (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sun, 8 Aug 2021 09:07:22 -0400; Hi Stephanie - I know that. I've been chasing line noise (and other noises) for 30 years or more, and have never encountered this inverse frequency dependence before, which is why I asked. I have bo; /archives//html/RFI/2021-08/msg00001.html (9,997 bytes)
3. Re: [RFI] Line noise vs Frequency (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Tue, 10 Aug 2021 10:54:25 -0400; Thanks, guys - I went out with my HF DF rig, and the one thing I'm pretty sure of is that the point source is not nearby. Anywhere along the neighborhood-level feed that runs along the West side of; /archives//html/RFI/2021-08/msg00024.html (11,848 bytes)
4. [RFI] Mystery noise (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Wed, 11 Aug 2021 10:39:28 -0400; I don't know if the reflector will allow this image, but thought it was worth a try. This thing shows up periodically - happily not often. The periodicity makes me think switching power supply, bu; /archives//html/RFI/2021-08/msg00028.html (7,298 bytes)
5. Re: [RFI] DFing intermittent connection (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Tue, 17 Aug 2021 09:32:17 -0400; I think that reflector users are (or should be) appropriately aware that responses reflect a wide variety of interests, knowledge and experience. 73, Pete N4ZR Check out the new Reverse Beacon Networ; /archives//html/RFI/2021-08/msg00083.html (15,865 bytes)
6. Re: [RFI] Fwd: Water treatment system RFI? (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sun, 19 Sep 2021 23:43:54 -0400; I have lived with wells and water treatment systems since 1995, and have never traced any RFI to them. In that time, I had a WaterBoss (for 20 years) and a Whirlpool for the last 5+ years. Both wer; /archives//html/RFI/2021-09/msg00058.html (10,004 bytes)
7. Re: [RFI] Fwd: Water treatment system RFI? (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Mon, 20 Sep 2021 23:10:48 -0400; Have you looked at the ads? "The ED2000 functions by wrapping two antenna cables around the main water pipe to form a coil, creating a complex, frequency modulated, electronicmagnetic waveform. This; /archives//html/RFI/2021-09/msg00072.html (14,080 bytes)
8. Re: [RFI] RFI from mini-splits. (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Tue, 21 Sep 2021 23:24:19 -0400; This has long been a problem with power supplies for IBM-compatible PCs (and I expect, Macs as well. Open the box and you'll discover jumper wires where it says on the PC board there should be EMI f; /archives//html/RFI/2021-09/msg00082.html (8,011 bytes)
9. Re: [RFI] Fwd: Water treatment system RFI? (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Fri, 24 Sep 2021 22:54:20 -0400; How on earth??? This type of thing was thoroughly debunked 30 years ago, and yet they continue to sell it. 73, Pete N4ZR Check out the new Reverse Beacon Network web server at <http://beta.reversebe; /archives//html/RFI/2021-09/msg00107.html (15,268 bytes)
10. Re: [RFI] Fwd: Water treatment system RFI? (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sat, 25 Sep 2021 14:07:05 -0400; I wish I could find the ad I saw that epitomized this - frequency modulated complex electrodynamic waveforms and all that. 73, Pete N4ZR Check out the new Reverse Beacon Network web server at <http:/; /archives//html/RFI/2021-09/msg00111.html (10,309 bytes)
11. [RFI] Power Line Noise Specific to 15 meters (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sun, 3 Oct 2021 16:01:21 -0400; This is a bit of a puzzle, to me anyway. With my tribander pointed in one direction (west), I have extremely bad what sounds like line noise. This noise is not audible on 20 meters, on 10 meters, o; /archives//html/RFI/2021-10/msg00012.html (7,672 bytes)
12. Re: [RFI] Power Line Noise Specific to 15 meters (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sun, 3 Oct 2021 21:40:49 -0400; Thanks, Mike - As to your latter point, I think this qualifies as line noise because it is present all across 10, 15 and 20, just at much lower amplitude except on 15, but it certainly could be a res; /archives//html/RFI/2021-10/msg00017.html (8,967 bytes)
13. Re: [RFI] RFI from arcing power pole 1.1 miles away (video capture of the arc) (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Mon, 20 Dec 2021 15:18:53 -0500; Don's story reminded me - last weekend I, too, had bad arcing, though in my case it was only really bad on 10 and 15 (where I actually have some gain and directivity). I sent an e-mail to Nick Bland; /archives//html/RFI/2021-12/msg00064.html (10,569 bytes)
14. Re: [RFI] Mr. Carlson's Lab: coffee maker RFI (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sat, 15 Jan 2022 21:07:08 -0500; I have an absolutely basic Keurig 2, which only runs while it's making coffee (with me hovering nearby). I think I'm glad. 73, Pete N4ZR Check out the new Reverse Beacon Network web server at<http:/; /archives//html/RFI/2022-01/msg00026.html (8,433 bytes)
15. Re: [RFI] Not your typical invisible fence RFI (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sun, 23 Jan 2022 10:59:24 -0500; Hi Don - Interesting! Years ago, when I got my first Invisible-Fence brand system in my old house, I wondered if it would be a problem, but was told that the underground loop operated at around 17 KH; /archives//html/RFI/2022-01/msg00033.html (10,459 bytes)
16. Re: [RFI] New RFI Filter For Neighbors Solar Edge Installation (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Wed, 2 Feb 2022 23:09:14 -0500; Ed, I think this is the first time since your former position was created that I've seen a clear, rigorous explanation of the steps taken by ARRL and the FCC to resolve interference problems. Bravo!!; /archives//html/RFI/2022-02/msg00017.html (13,826 bytes)
17. Re: [RFI] Solar Panel RFI Awareness At Dayton (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Fri, 27 May 2022 10:33:07 -0400; I'll second that from a layman's perspective. During the long COVID experience, I had some pretty bad powerline interference develop. BGE's noise guy for my area identified several sources, and whe; /archives//html/RFI/2022-05/msg00071.html (20,430 bytes)
18. [RFI] Generac Entering the Solar Market (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Tue, 31 May 2022 08:49:47 -0400; Generac, which bills itself as the largest US maker of home generators, is embarked on a major TV ad campaign for its (seemingly) new solar power systems. Seems like (particularly if they're just st; /archives//html/RFI/2022-05/msg00080.html (6,869 bytes)
19. Re: [RFI] Another RFI movie... (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Wed, 1 Jun 2022 08:16:53 -0400; Is the "grow" activity legal in your state? If so, why not contact the operator and offer assistance in cleaning up his lighting? If not, call the cops (hi) 73, Pete N4ZR Check out the new Reverse; /archives//html/RFI/2022-06/msg00001.html (11,528 bytes)
20. Re: [RFI] Power Line Radiated Interference Limits (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Mon, 6 Jun 2022 17:02:06 -0400; You could always listen to it. 73, Pete N4ZR Check out the new Reverse Beacon Network web server at<http://beta.reversebeacon.net>. For spots, please use your favorite "retail" DX cluster. On 6/6/202; /archives//html/RFI/2022-06/msg00011.html (10,748 bytes)

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