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21. Re: [RFI] New RFI Source (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 1 Aug 2024 13:04:26 -0500; Hi Mike, The other copies (harmonics of 78 kHz) show exactly the same structure. I hear the signal only on 20 meters, across the whole band. They certainly go beyond the band, but it's hard to tell; /archives//html/RFI/2024-08/msg00002.html (13,603 bytes)
22. Re: [RFI] New RFI Source (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 1 Aug 2024 14:45:53 -0500; Source found. It's a Generac solar system 640 meters (0.4 miles) from my tower. The homeowners were very cooperative, and switched the inverter off for the test, which was conclusive. The location is; /archives//html/RFI/2024-08/msg00003.html (14,541 bytes)
23. Re: [RFI] New RFI Source (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 1 Aug 2024 15:01:56 -0500; BTW, the ARRL solar RFI page has an image of the Generac spectrum, which looks exactly like what W9RE and I are seeing. https://www.arrl.org/solar 73, Scott K9MA It's a partly cloudy day here, so I s; /archives//html/RFI/2024-08/msg00004.html (8,623 bytes)
24. Re: [RFI] New RFI Source (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 1 Aug 2024 13:50:36 -0700; Great sleuthing, Scott. Suggest that you talk to Ed Hare and/or W1EMI first. 73, Jim K9YC _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.c; /archives//html/RFI/2024-08/msg00005.html (8,128 bytes)
25. Re: [RFI] New RFI Source (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 1 Aug 2024 15:53:38 -0500; Will do! 73, Scott K9MA Great sleuthing, Scott. Suggest that you talk to Ed Hare and/or W1EMI first. 73, Jim K9YC _______________________________________________ RFI mailing list RFI@contesting.com h; /archives//html/RFI/2024-08/msg00006.html (8,129 bytes)
26. Re: [RFI] New RFI Source (score: 1): Author: Michael Carter via RFI <rfi@contesting.com>; Date: Thu, 1 Aug 2024 21:01:46 +0000; I'll add to Jim's congratulations, Scottwell done! Will have to look into the Generac system specifics.....I'm not aware of any of those installations near me - the dominant installer in southern NH; /archives//html/RFI/2024-08/msg00007.html (10,815 bytes)
27. Re: [RFI] New RFI Source (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 1 Aug 2024 16:07:28 -0500; Both my immediate neighbor and I have Enphase systems. I had single-turn ferrite cores put on all the leads of both, and I've detected absolutely no RFI from them. Whether the ferrites were necessary; /archives//html/RFI/2024-08/msg00008.html (9,072 bytes)
28. Re: [RFI] New RFI Source (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Thu, 1 Aug 2024 17:08:49 -0400; Hi Scott, Yep, it was a Generac system in our case at W9RE last year, and you definitely need to work with Steve at the ARRL as he has great contacts within Generac which greatly helped us. I prefer; /archives//html/RFI/2024-08/msg00009.html (18,402 bytes)
29. Re: [RFI] New RFI Source (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 1 Aug 2024 16:23:30 -0500; A useful data point. Given the labor involved in installing the ferrites after the panels were installed, I decided it was cheap insurance to just put them on first. 73, Scott K9MA David Robbins K1TT; /archives//html/RFI/2024-08/msg00010.html (9,750 bytes)
30. Re: [RFI] New RFI Source (score: 1): Author: Michael Carter via RFI <rfi@contesting.com>; Date: Thu, 1 Aug 2024 21:15:23 +0000; A brief look at Generac's PWRcell system description alludes to configuring sub-arrays of PV modules around a '2500 watt optimizer,' a central inverter, and a Li-ion battery bank. No doubt the optimi; /archives//html/RFI/2024-08/msg00011.html (23,590 bytes)

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