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References: [ +from:dgsvetan@rockwellcollins.com: 139 ]

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61. Re: [RFI] source for RFI filter cordset? (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Tue, 2 Aug 2005 13:35:09 -0500; Martin, There are two problems: limited market (how many potential customers exist for the type of filter you seek), and varied applications. Some victims of RFI can do very well with the standard av; /archives//html/RFI/2005-08/msg00004.html (12,268 bytes)
62. Re: [RFI] Can Fluorescent bulbs cause RFI problems? (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Tue, 27 Sep 2005 11:37:09 -0500; All, There are two issues associated with fluorescent lights: conducted and radiated emissions. The DIRECT radiated emissions are those from the lamps themselves (the glass tubes). Some years ago, wh; /archives//html/RFI/2005-09/msg00058.html (15,013 bytes)
63. Re: [RFI] 1996 Lincoln Town Car (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Wed, 7 Dec 2005 15:08:00 -0600; John, Thanks for the posting. I find it both hilarious and disgusting that a high end car has such a crummy antenna. Obviously, the techies lost the battle with the aesthetics group on that one. One; /archives//html/RFI/2005-12/msg00013.html (11,104 bytes)
64. Re: [RFI] BPL news today's WSJ (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Tue, 20 Dec 2005 15:06:41 -0600; A comment from a 6m op in Cedar Rapids, IA: I have had the pleasure of working dozens of Texas hams on 6m during the past 3 years whenever the band has opened to my south and southwest. There are ple; /archives//html/RFI/2005-12/msg00059.html (11,555 bytes)
65. Re: [RFI] EMI & EMC Conducted Noise Meaning? (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Mon, 9 Jan 2006 13:49:45 -0600; Doc, There are some very significant differences between CL A and CL B devices in the EMC world. If you really do intend to use radios while this thing is running, and also if the antennas for those; /archives//html/RFI/2006-01/msg00033.html (13,461 bytes)
66. Re: [RFI] Digital TV Box Generates 121.5MHz Signal (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Thu, 19 Jan 2006 08:57:47 -0600; Rare, yes. Unheard of, no. I seem to recall a similar incident here in the US a few years ago. The culprit was a television set, and I think it was up in either OR or WA state. The search was launche; /archives//html/RFI/2006-01/msg00078.html (10,634 bytes)
67. Re: [RFI] Fw: cell phone interference on airplanes (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Fri, 3 Mar 2006 13:34:19 -0600; Jim and All Who have been following the thread, I am in a very busy time right now, or else I would provide some specific article references. I can tell all of you a couple of facts: 1. Yes, the IEEE; /archives//html/RFI/2006-03/msg00018.html (14,386 bytes)
68. Re: [RFI] Fan Noise on Repeater (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Tue, 9 May 2006 13:54:30 -0500; Rod, The replies from both Stu and Jim, K9YC, were right on target. However, no one has addressed the issue of CONDUCTED emissions from the fan and the fact that those conducted emissions may very we; /archives//html/RFI/2006-05/msg00006.html (12,994 bytes)
69. Re: [RFI] 12vdc native laptop (score: 1): Author: <dgsvetan@rockwellcollins.com>; Date: Wed, 24 May 2006 14:16:11 -0500; Doc, Regarding your test of the laptop and the Grundig: 1. Keep in mind that radiated emissions from computers are usually measured at a distance of 3 meters from the computer. You probably will not; /archives//html/RFI/2006-05/msg00048.html (12,477 bytes)
70. Re: [RFI] RFI Proof Computer speakers needed!!! (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Wed, 1 Nov 2006 09:34:42 -0600; Tim, I read the excellent reply from Jim Brown, K9YC, and have only one other comment to add. As I understand it, most, if not all, sound cards in computers have the capability to drive speakers dire; /archives//html/RFI/2006-11/msg00003.html (9,992 bytes)
71. Re: [RFI] Interference to CO Alarm (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Mon, 6 Nov 2006 14:53:06 -0600; Ted, You might mention a few parameters associated with the alarm: 1. Powered by internal battery (and NO external wires) or AC powered 2. Where is the alarm located relative to your antennas? Estima; /archives//html/RFI/2006-11/msg00011.html (8,389 bytes)
72. Re: [RFI] Help on speed drive motor controller RFI (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Mon, 29 Jan 2007 16:31:33 -0600; Juan, The square waves are the result of efficient electronic drive to the motors. Power electronics will, in general, "toast" if the drive waveform has a slow risetime. Semiconductors that handle ma; /archives//html/RFI/2007-01/msg00032.html (15,160 bytes)
73. Re: [RFI] FM RFI? (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Mon, 19 Feb 2007 11:38:12 -0600; Landon, An interesting post. Well, I was a victim of power line RFI to my 2m FM operation a number of years ago. I was living in a downtown area, right at the borderline between the commercial distri; /archives//html/RFI/2007-02/msg00051.html (11,279 bytes)
74. [RFI] Variable speed drives (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Mon, 26 Mar 2007 17:52:48 -0500; All, Knowing the many previous posts on this reflector regarding variable speed drives for home applications, here is an article that probably will not make you rejoice. There is a lot of interesting; /archives//html/RFI/2007-03/msg00023.html (6,628 bytes)
75. Re: [RFI] Variable speed drives (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Tue, 27 Mar 2007 09:36:38 -0500; Kelly, Judging from the other posts, your comments about the LG pair got a lot of attention. That's great to know and thanks for passing along the model numbers in your latest post. You are mostly co; /archives//html/RFI/2007-03/msg00030.html (12,208 bytes)
76. Re: [RFI] Sorenson DCS 55-55 PS Clean? (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Mon, 9 Apr 2007 14:52:09 -0500; Tim, Thanks for posting the manual URL. I went there in hopes of finding the most important info that would tell the story - the schematic, but no luck. In any event, what you say in your posting is; /archives//html/RFI/2007-04/msg00007.html (12,312 bytes)
77. Re: [RFI] Weather Station on 433.92? (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Wed, 11 Apr 2007 17:54:31 -0500; Cortland and Lin, The good news is that 433.92 MHz is not real close to the weak signal calling frequency of 432.100 MHz, which I (and others) use. I have two different brands of wireless digi thermo; /archives//html/RFI/2007-04/msg00009.html (10,320 bytes)
78. Re: [RFI] TV Line amplifiers (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Thu, 12 Apr 2007 12:08:49 -0500; Rod, For starters, there are two basic types: those in metal housings and all others. Use amps that have metal housings. Next, beware of bi-directional amplifiers. Yes, there are line amps on the mar; /archives//html/RFI/2007-04/msg00015.html (10,096 bytes)
79. Re: [RFI] Solar Arrays, etc. (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Tue, 8 May 2007 09:27:20 -0500; Rick and All, The sad news is that "clean" power-consuming devices, such as incandescent light bulbs, passive iron core transformers, and induction motors, are going the way of the dodo. (Yes, I know; /archives//html/RFI/2007-05/msg00006.html (9,609 bytes)
80. Re: [RFI] Noise in 2007 RHS-TV (score: 1): Author: dgsvetan@rockwellcollins.com; Date: Mon, 14 May 2007 11:54:11 -0500; Doc and Rick, Since diesel engines do not have ignition systems (other than glow plugs to assist with starting), the noise sources that come to mind are fuel pumps, fuel injector drive systems, and (; /archives//html/RFI/2007-05/msg00016.html (8,342 bytes)

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