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1. [RFI] Solar inverter RFI experience - Delta versus Sunny Boy (score: 1): Author: John Langdon <WOYB10051@outlook.com>; Date: Sat, 26 Nov 2022 20:30:24 +0000; Does anyone have experience with Delta string inverters re RFI? Sunny Boy has good reputation re low RFI - what about Delta? 73 John N5CQ _______________________________________________ RFI mailing l; /archives//html/RFI/2022-11/msg00036.html (6,633 bytes)
2. [RFI] POE home lighting experiences? (score: 1): Author: John Langdon <WOYB10051@outlook.com>; Date: Fri, 14 Jul 2023 15:35:04 +0000; Has anyone used POE lighting in a residential or office setting? Did you experience RFI issues on HF? It looks like it is easier to wire and control re low voltage regs and building codes, and dimmin; /archives//html/RFI/2023-07/msg00022.html (6,865 bytes)
3. Re: [RFI] POE home lighting experiences? (score: 1): Author: John Langdon <WOYB10051@outlook.com>; Date: Fri, 14 Jul 2023 19:28:36 +0000; I was more worried about PWM controllers and harmonics, even with a conventional power supply. I guess I'll have to demand to listen to an installation to see if it generates RFI or not. 73 John N5CQ; /archives//html/RFI/2023-07/msg00026.html (9,734 bytes)
4. Re: [RFI] WiFi Switches (score: 1): Author: John Langdon <WOYB10051@outlook.com>; Date: Fri, 17 Nov 2023 10:10:30 +0000; Ou can also pick up the previous generation DLI units on eBay - good interface, auto ping, etc. Used remote for years with no issues. A relay and a contactor can let you do 240V switching too. 73 Joh; /archives//html/RFI/2023-11/msg00101.html (9,083 bytes)
5. Re: [RFI] [cwops] Solar Panels (score: 1): Author: John Langdon <WOYB10051@outlook.com>; Date: Tue, 16 Apr 2024 18:23:38 +0000; General rules: string inverters produce less RFI than panel mounted micro-inverters (not always true) ; Some recent inverters are marketed as "EMP proof" or "EMP protected" and in general are more we; /archives//html/RFI/2024-04/msg00018.html (14,456 bytes)
6. Re: [RFI] Interesting... (score: 1): Author: John Langdon <WOYB10051@outlook.com>; Date: Mon, 30 Dec 2024 08:27:19 +0000; I saw a presentation long ago about the early days of electrification, when sales forces got "spiffed" for selling to customers with lagging or leading loads depending on the current mix the power co; /archives//html/RFI/2024-12/msg00014.html (9,376 bytes)
7. Re: [RFI] Mercedes Sprinter Charger RFI (score: 1): Author: John Langdon <WOYB10051@outlook.com>; Date: Mon, 3 Feb 2025 08:20:52 +0000; Jim, Chances are maintaining the battery of an EV at 100% state of charge will reduce battery life, not extend it. If he has the smaller battery model, it has about 175 miles of range, so that may be; /archives//html/RFI/2025-02/msg00003.html (10,502 bytes)

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