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Total 11 documents matching your query.

1. [RFI] Solar Panel RFI - Noise begins (score: 1): Author: Tony <dxdx@optonline.net>; Date: Sat, 20 Aug 2011 16:50:35 -0400; All, As I mentioned yesterday, my neighbor installed solar panels on his roof (thanks for all the replies). The installation was completed today and it appears to be causing RFI. I doubt this is a co; /archives//html/RFI/2011-08/msg00020.html (6,879 bytes)
2. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sat, 20 Aug 2011 17:22:01 -0400; It might be more useful if you showed us a panoramic display with a wider band-spread, to see if there is a characteristic repetition every x KHz, or something similar. 73, Pete N4ZR The World Contes; /archives//html/RFI/2011-08/msg00021.html (8,333 bytes)
3. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: Tony <dxdx@optonline.net>; Date: Sat, 20 Aug 2011 20:36:37 -0400; Pete, The noise was repetitive, but I don't recall how far apart the signals were. It disappeared a few hours ago so I'll have to wait till it pops up again to make another video -- I'll post it ASAP; /archives//html/RFI/2011-08/msg00022.html (9,098 bytes)
4. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: Peter Laws <plaws@plaws.net>; Date: Sat, 20 Aug 2011 19:40:06 -0500; The *panels* won't make noise. The inverter that converts the DC to AC for household loads (and for feeding back to the grid) can, and in your case, apparently does. -- Peter Laws | N5UWY | plaws pla; /archives//html/RFI/2011-08/msg00023.html (7,133 bytes)
5. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 20 Aug 2011 18:38:11 -0700; Also, there is often a sub-system that pulses the batteries with high current to prevent their degradation. It also produces noise. If this current, and the noise current of the inverter flows in a l; /archives//html/RFI/2011-08/msg00024.html (7,888 bytes)
6. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: Tony <dxdx@optonline.net>; Date: Mon, 22 Aug 2011 15:54:15 -0400; Pete, I made another video today and it appears that the noise is not evenly spaced. I found it on the following 20 meter frequencies: 14128, 14158, 14210, 14233, 14280. The spacing is roughly 30, 50; /archives//html/RFI/2011-08/msg00025.html (7,880 bytes)
7. [RFI] Solar Panel RFI - Noise begins (score: 1): Author: "Larry Parker" <ve3edy@cogeco.ca>; Date: Mon, 22 Aug 2011 20:21:11 -0400; Ever 20 to 30 khz makes me suspicious of the new high freqency transformers on the market these day . They operate at a fundamental freq of 20 khz and radiate every harmonic from there up begining at; /archives//html/RFI/2011-08/msg00026.html (6,591 bytes)
8. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: John Brosnahan -- W0UN <shr@swtexas.net>; Date: Mon, 22 Aug 2011 21:01:58 -0500; Someone mentioned previously that the controllers supplied by Harbor Freight are noisy. I was wondering what controllers are known to be quiet? I have four sets of the Harbor Freight panels (and four; /archives//html/RFI/2011-08/msg00027.html (7,681 bytes)
9. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: "doc@kd4e.com" <doc@kd4e.com>; Date: Mon, 22 Aug 2011 22:16:55 -0400; "morningstar on the low end, outback on the highend. harbor freight units shouldn't even be called controllers. more like battery destroyers." -- Thanks! & 73, KD4E David Colburn http://kd4e.com Have; /archives//html/RFI/2011-08/msg00028.html (8,561 bytes)
10. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: "doc@kd4e.com" <doc@kd4e.com>; Date: Mon, 22 Aug 2011 22:30:49 -0400; This guy can hook you up with either brand: Steve Spence Director, Green Trust http://www.green-trust.org sspence@green-trust.org -- Thanks! & 73, KD4E David Colburn http://kd4e.com Have an http://ul; /archives//html/RFI/2011-08/msg00029.html (8,429 bytes)
11. Re: [RFI] Solar Panel RFI - Noise begins (score: 1): Author: John Brosnahan -- W0UN <shr@swtexas.net>; Date: Tue, 23 Aug 2011 19:09:55 -0500; KD4E Doc, Thanks for the info. I have done some checking and the high end is outside my budget but the morningstar ones look pretty good. Thanks -- John W0UN _________________________________________; /archives//html/RFI/2011-08/msg00030.html (7,714 bytes)

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