Mail Archive Search: <+from:svetanoff@earthlink.net>

Results:

References: [ +from:svetanoff@earthlink.net: 167 ]

Total 167 documents matching your query.

21. [RFI] Updates on CFLs & LEDs (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Fri, 21 Jan 2011 13:55:07 -0600; Fellow RFI/EMC folks, I thought I'd provide some update information on two oft-discussed topics on this reflector: CFLs and LEDs. Here goes. First, I just purchased a set of 5 CFLs to relamp the ligh; /archives//html/RFI/2011-01/msg00176.html (12,753 bytes)
22. Re: [RFI] LED Floodlight warning!! (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Sun, 23 Jan 2011 17:38:40 -0600; Craig, Thank you for documenting your work on these errant lamps. I am not surprised by the severity of the problem, however, since the switcher powering those LEDs is most likely operating in a cons; /archives//html/RFI/2011-01/msg00184.html (12,319 bytes)
23. Re: [RFI] CHECK your grounds. (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Wed, 26 Jan 2011 19:07:55 -0600; Roger, Thank you very much for sharing your very scary experience with the list. It's been my observation over many years that all too many hams either do not practice good grounding or even if they; /archives//html/RFI/2011-01/msg00218.html (16,146 bytes)
24. Re: [RFI] desklight RFI---FYI (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Sat, 29 Jan 2011 16:41:49 -0600; Myles, Yes, those are very nice lamps, although I do not presently have any in my house. (If I am not mistaken, Ottlights are those used by the appraisers on "Antiques Roadshow". They have excellent; /archives//html/RFI/2011-01/msg00230.html (8,956 bytes)
25. Re: [RFI] Power Line Bypassing (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Mon, 14 Feb 2011 22:16:55 -0600; Chuck, This is an interesting thread, as many of us in rural areas have well pumps. Jim Brown raises excellent points in his post, below, but I can tell you that if the problem were with my well pump; /archives//html/RFI/2011-02/msg00069.html (13,990 bytes)
26. [RFI] LCD TV wipes out AM BC band (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Mon, 21 Feb 2011 23:14:10 -0600; A bit of news I discovered early today: I have a 19 inch Toshiba LCD HDTV that serves double duty as a TV and as my computer monitor. I've had the set for about a year and a half and like it very muc; /archives//html/RFI/2011-02/msg00089.html (10,141 bytes)
27. Re: [RFI] LCD TV wipes out AM BC band (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Tue, 22 Feb 2011 11:34:43 -0600; Roger, An excellent question, plus I should have included the Toshiba model info in my posting. I can think of at least two systems within the set that could be the noise-makers: 1) The switching pow; /archives//html/RFI/2011-02/msg00093.html (10,077 bytes)
28. Re: [RFI] AC or DC HVAC Motor Preferred? (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Tue, 22 Feb 2011 12:03:02 -0600; Doc, That's a good question. One thing I can tell you: IF proper engineering design is implemented, either motor technology could be used and RFI would be reduced to at least the allowable levels for; /archives//html/RFI/2011-02/msg00095.html (10,943 bytes)
29. Re: [RFI] LCD TV wipes out AM BC band (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Tue, 22 Feb 2011 12:15:18 -0600; Ken, Thank you for the prompt feedback. That is very interesting and brings up 3 questions in my mind: 1) Does my set have a problem that is specific to it or which was caught by Toshiba and then fix; /archives//html/RFI/2011-02/msg00096.html (10,902 bytes)
30. Re: [RFI] LCD TV wipes out AM BC band - UPDATE Report (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Tue, 22 Feb 2011 13:25:09 -0600; Ken, Thanks again for more info and details. OK, your set is used exclusively as a monitor. Point noted. After my post below, I went and grabbed my other working portable AM BC band radio: my 1958 (y; /archives//html/RFI/2011-02/msg00098.html (14,832 bytes)
31. Re: [RFI] National RF HFDF Vector Gun now in hand (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Wed, 9 Mar 2011 17:11:38 -0600; Frank, Thank you VERY much for the detailed report on the antennas. This is the sort of report info that many of us will find useful. I look forward to your future updates. In particular, I think man; /archives//html/RFI/2011-03/msg00023.html (13,932 bytes)
32. Re: [RFI] The new light bulbs (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Wed, 9 Mar 2011 22:32:19 -0600; Bruce and List mates, Sad to say, the video provided by the link was repleat with a fair supply of fertilizer, as are most of the "news" reports on this topic. The problem is twofold: 1) The document; /archives//html/RFI/2011-03/msg00027.html (11,700 bytes)
33. Re: [RFI] Interesting Noise (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Sat, 12 Mar 2011 13:40:31 -0600; Alan, Bearing in mind the very strong signal strength on 2m, the source must have been fairly close to Doug's QTH - my guess would be on the order of not more than 1/4 mile, at most. If Doug did hear; /archives//html/RFI/2011-03/msg00043.html (9,903 bytes)
34. Re: [RFI] 1.5-200MHz ARRESTOR 8kWPEP/4kWDC UHF CONNECTORS (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Sat, 28 May 2011 19:25:49 -0500; Doc, Chack out the GAS PLUG type of lightning arrestors. They typically consist of a short section of thru-line with a gas-filled cartridge connected between the line and outer shell (ground). They s; /archives//html/RFI/2011-05/msg00085.html (9,040 bytes)
35. Re: [RFI] 1.5-200MHz ARRESTOR 8kWPEP/4kWDC UHF CONNECTORS (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Sun, 29 May 2011 13:04:25 -0500; Doc, I have several different brands and models of coax protectors installed in my station. I do not require that any of them pass DC control power, but as far as I know, all of the gas tube types th; /archives//html/RFI/2011-05/msg00094.html (11,120 bytes)
36. Re: [RFI] Comcast Wall warts (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Tue, 21 Jun 2011 10:27:56 -0500; Efficiency aside, a linear power supply is about the only way to guarantee a "clean" RF environment around the power supply and its associated cables and load. However, I can tell you from direct obs; /archives//html/RFI/2011-06/msg00010.html (12,883 bytes)
37. Re: [RFI] RFI publications (Magazines)? (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Wed, 24 Aug 2011 15:42:13 -0500; Frank, I must admit that no, I am not aware of any specific periodicals as you request. However, for whatever it may be worth, I do have a few suggestions: 1. The IEEE EMC Society has chapters around; /archives//html/RFI/2011-08/msg00032.html (10,344 bytes)
38. Re: [RFI] CFL list, anywhere? (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Sun, 25 Dec 2011 16:39:28 -0600; Chris, One of the points made in your post, but not emphasized, is safety. Of the CFLs that I have, only 1 did the "cook and sizzle" routine, and that was at first turn-on! All others have just gone; /archives//html/RFI/2011-12/msg00022.html (15,064 bytes)
39. Re: [RFI] TV turns on-off when TX (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Sat, 31 Dec 2011 15:45:17 -0600; Steve, Three more questions for you: 1) What is the location of YOUR transmit antenna relative to the neighbor's house? In particular, what's the horizontal plane distance? 2) Your first post says th; /archives//html/RFI/2011-12/msg00034.html (13,037 bytes)
40. [RFI] Switch mode Power Supplies (score: 1): Author: "Dale Svetanoff" <svetanoff@earthlink.net>; Date: Mon, 16 Jan 2012 15:34:00 -0600; Folks, As most of you know, the topic of RFI issues with switching (or "switch mode") power supplies pops up here quite frequently. I was delighted to see that the February issue of QST addresses the; /archives//html/RFI/2012-01/msg00033.html (9,158 bytes)

Current List: 21 - 40
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9]