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101. Re: [RFI] SolarEdge Finds New Source of Solar System RFI (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Mon, 3 Jun 2019 22:54:27 +0000; If you treat the "Pin 1 Problem" as the proper implementation of the Faraday Cage, there is no problem. I've seen this time and time again! My succinct comments on the issue is "Keep internal fields; /archives//html/RFI/2019-06/msg00023.html (15,855 bytes)
102. Re: [RFI] SolarEdge Finds New Source of Solar System RFI (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Tue, 4 Jun 2019 16:18:27 +0000; Yes, the capacitor termination keeps us high-frequency types happy and satisfies the 'one end only' termination for the audio TSP designers. I'm an RF type with some experience with audio from my lon; /archives//html/RFI/2019-06/msg00027.html (15,013 bytes)
103. Re: [RFI] FW: After 40 years of searching, scientists identify the key flaw in solar panel efficiency (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Thu, 13 Jun 2019 00:34:59 +0000; I'll bet the wiring and the expanse of the panels themselves are the antenna for all the digital RFI generated by all the active electronics. Where are the ferrites being placed - between the panels; /archives//html/RFI/2019-06/msg00042.html (13,031 bytes)
104. Re: [RFI] Portables for sniffing RFI (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 12 Jul 2019 18:31:59 +0000; Just my opinion. Dave - WØLEV -- *Dave - WØLEV* *Just Let Darwin Work* *Just Think* _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mai; /archives//html/RFI/2019-07/msg00020.html (10,494 bytes)
105. Re: [RFI] Portables for sniffing RFI (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sat, 13 Jul 2019 18:31:47 +0000; No connection other than I use several of their products: The AirSpy line of SDR's when operating under SDR# allows for a very spiff spectrum analyzer. SpectrumSpy, the free ware than comes with SDR#; /archives//html/RFI/2019-07/msg00025.html (10,644 bytes)
106. Re: [RFI] RFI Digest, Vol 198, Issue 19 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Mon, 29 Jul 2019 18:26:08 +0000; Just a reminder of practices from China: Just because the product may carry the proper 'graffiti' on the regulatory label (required for all Home and Small Office electronics - FCC Class B), does not; /archives//html/RFI/2019-07/msg00073.html (14,258 bytes)
107. Re: [RFI] Power Line Networking Interference (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Tue, 30 Jul 2019 23:53:15 +0000; I have had two of these devils before the days of wireless routers in a previous house. They work for the purpose, but produce lots of RFI, as reported. Both went to their graves when, one evening, I; /archives//html/RFI/2019-07/msg00076.html (8,001 bytes)
108. Re: [RFI] RFI Digest, Vol 198, Issue 21 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Wed, 31 Jul 2019 18:09:29 +0000; One problem with the lighting industry is that they, in general, are unaware of the FCC requirements placed on their segment. Nearly all the lighting projects I've done indicate the lighting segment; /archives//html/RFI/2019-07/msg00078.html (28,978 bytes)
109. [RFI] FCC ACCESS (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Thu, 1 Aug 2019 17:27:29 +0000; *All chapters under the Code of Federal Regulations (CFR) for FCC (CFR 47) can be accessed at the following URL:* * https://www.ecfr.gov/cgi-bin/text-idx?tpl=/ecfrbrowse/Title47/47tab_02.tpl <https:/; /archives//html/RFI/2019-08/msg00000.html (7,069 bytes)
110. Re: [RFI] RFI Digest, Vol 198, Issue 21 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 2 Aug 2019 18:28:03 +0000; Part 18 exclusively addresses ISM equipment: Industrial, Scientific, and Medical. As far as lighting is concerned, Part 18 specifically addresses ONLY "*RF* LIGHTING" which is the only lighting optio; /archives//html/RFI/2019-08/msg00002.html (33,774 bytes)
111. Re: [RFI] RFI Digest, Vol 199, Issue 3 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 2 Aug 2019 20:01:53 +0000; Thanks, Gary. I was not aware of the 8 kHz operation of the 'new' electronic ballasts. I still think its a stretch to place them under Part 18, but the FCC has ruled. The electronic ballast people mu; /archives//html/RFI/2019-08/msg00004.html (9,892 bytes)
112. Re: [RFI] RFI Digest, Vol 199, Issue 3 (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sat, 3 Aug 2019 15:33:24 +0000; Picking only one frequency range (measurement distance is all 30m or "corrected to 30 m)) RE: Part 18 216 to 1000 MHz -23 dBµV/m Part 15 216 to 960 MHz -41 dBµV/m -23 dBµV is greater than -41 dBµV/m; /archives//html/RFI/2019-08/msg00006.html (14,982 bytes)
113. Re: [RFI] Considering a solar panel (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Wed, 14 Aug 2019 17:52:48 +0000; We bought a small 16' Airstream last year. Of course, we considered the same charge issues you are faced with. I carry the Icom 7300 for HF and monitoring meteors while out camping, usually well away; /archives//html/RFI/2019-08/msg00018.html (9,601 bytes)
114. Re: [RFI] Charge controllers (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Thu, 15 Aug 2019 22:10:06 +0000; Can't resist: AMEN!!! A linear regulator connected as a current source comes to mind. Dave - WØLEV -- *Dave - WØLEV* *Just Let Darwin Work* *Just Think* ______________________________________________; /archives//html/RFI/2019-08/msg00024.html (7,866 bytes)
115. [RFI] HIGHER POWER INVERTERS (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 30 Aug 2019 23:19:36 +0000; Some time ago, maybe a month or two, the question was posed to this group regarding RFI quiet inverters for a new camper/trailer. I could not remember the brand name at the time so I did not original; /archives//html/RFI/2019-08/msg00073.html (7,183 bytes)
116. Re: [RFI] Suggestions for an RFI-clean battery charger/maintainer (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Mon, 14 Oct 2019 21:43:09 +0000; I have one very similar to the Black & Decker unit, but mine has metering. Just say NO if you don't want to give up HF. I use mine to keep the camper battery charged during the winter. On only when I; /archives//html/RFI/2019-10/msg00014.html (8,617 bytes)
117. [RFI] ELECTRONIC TRANSFORMERS and the POWER GRID (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Fri, 22 Nov 2019 21:05:52 +0000; This came across from the RSGB Technical group this morning. You'd think an organization like IEEE would have flagged the RFI "potential". But the presentation is all roses and bowls of cherries: htt; /archives//html/RFI/2019-11/msg00065.html (7,114 bytes)
118. Re: [RFI] FCC Complaint Filing (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sat, 23 Nov 2019 17:18:15 +0000; Radiated emissions (typically what causes hams interference) is regulated and levels specified only at and above 30 MHz. Below 30 MHz, 150 kHz through 29.99999.... MHz, conducted energy is specified; /archives//html/RFI/2019-11/msg00080.html (16,352 bytes)
119. Re: [RFI] FCC Complaint Filing (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sat, 23 Nov 2019 23:27:41 +0000; Quate: "cable shields are improperly terminated to the circuit board rather than to the shielding enclosure." This is the NUMBER ONE error the latest crop of designers make. The best way to violate t; /archives//html/RFI/2019-11/msg00083.html (10,991 bytes)
120. Re: [RFI] FCC Complaint Filing (score: 1): Author: David Eckhardt <davearea51a@gmail.com>; Date: Sun, 24 Nov 2019 00:20:18 +0000; I put them in a Word document. Don't know why they weren't attached. Here you are - see attachment. Dave - WØLEV -- *Dave - WØLEV* *Just Let Darwin Work* *Just Think* ________________________________; /archives//html/RFI/2019-11/msg00087.html (12,917 bytes)

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