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41. Re: [RFI] Using VHF HT to "sniff-out" RFI (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Mon, 23 Jan 2012 10:46:31 -0600
Roger, Several articles have been written over the years (and postings made on this reflector) about the usefulness of AM mode in tracking down noise sources. Those HTs that offer aircraft band recep
/archives//html/RFI/2012-01/msg00111.html (9,953 bytes)

42. Re: [RFI] Common mode noise (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Wed, 29 Feb 2012 15:36:20 -0600
Pete, Very interesting, but one big question: You say that the Radio Shack wall wart is regulated. OK, is it linear or switcher? One way to tell without cutting or sawing it open is to look at the po
/archives//html/RFI/2012-02/msg00046.html (10,090 bytes)

43. Re: [RFI] A fun and educational RFI toy. (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Thu, 1 Mar 2012 10:16:44 -0600
Kurt, A LISN is a very useful device for those doing compliance EMC testing and for anyone (especially hams and SWLs) who want to know the noise contribution from their various equipment at home and
/archives//html/RFI/2012-03/msg00001.html (9,969 bytes)

44. Re: [RFI] Solar Inverter. (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Mon, 19 Mar 2012 22:49:56 -0500
Neil, Considering the cost of cleaning up "dirty" inverters, my first thought is to ask your local ham friend if he had stipulated anything in the contract with the solar system provider to make them
/archives//html/RFI/2012-03/msg00026.html (11,230 bytes)

45. [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Tue, 10 Apr 2012 17:40:34 -0500
List mates: The link below leads you to an article from Electronic Design magazine. It concerns RFI issues in electric drive vehicles (and, by extension, hybrids, as well). The primary focus is on th
/archives//html/RFI/2012-04/msg00011.html (9,988 bytes)

46. Re: [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Tue, 10 Apr 2012 22:27:46 -0500
Roger, First, my thanks to you and the other responders to the post. The replies have certainly been interesting, as well as somewhat varied. I have a comment and a question for you. First, the comme
/archives//html/RFI/2012-04/msg00019.html (15,983 bytes)

47. Re: [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Fri, 13 Apr 2012 11:34:36 -0500
All, My thanks to all of you who made comments on this topic. I was surprised that only 1 person commented on the article (which was not very well written), but we certainly got a lot of comments on
/archives//html/RFI/2012-04/msg00033.html (12,323 bytes)

48. Re: [RFI] Mystery cyclic buzzing (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Fri, 13 Apr 2012 17:25:02 -0500
To Jim's remarks I only wish to add this about power supplies and battery chargers: Although not an iron-clad guarantee (because there will be exceptions), if the nameplate or "regulatory" info on a
/archives//html/RFI/2012-04/msg00038.html (11,377 bytes)

49. Re: [RFI] RFI issues in electric (or hybrid) vehicles (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Mon, 16 Apr 2012 11:25:23 -0500
Gary, As regards the early Toyota engine control modules: yes, the Camry, in particular, got a big "black eye" in the early 90's (as I recall) with hams who installed mobile rigs and found that more
/archives//html/RFI/2012-04/msg00047.html (14,656 bytes)

50. Re: [RFI] MFJ-856 (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Mon, 23 Apr 2012 11:26:48 -0500
Pete and All, I recently purchased an Icom IC-91A, a 2m/70cm dual bander, and it has air (and even SW band) AM capability. I plan to use it as Pete describes the next time I have a power line-related
/archives//html/RFI/2012-04/msg00059.html (12,235 bytes)

51. Re: [RFI] MFJ-856 (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Mon, 23 Apr 2012 21:47:45 -0500
Dave and Charlie, Well, you guys appear to be agreeing to disagree, at least insofar as use (or not) of an attenuator goes. Question: Has either of you ever put either MFJ unit onto a sig gen and mea
/archives//html/RFI/2012-04/msg00063.html (13,690 bytes)

52. Re: [RFI] Is a low pass filter necessary? (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Thu, 10 May 2012 23:35:46 -0500
John, Today's rigs are, in fact, designed with internal filters (low pass and/or band pass) so that the rigs can meet the spurious and harmonic requirements set forth by FCC and other regulatory bodi
/archives//html/RFI/2012-05/msg00013.html (10,997 bytes)

53. Re: [RFI] 6 Minutes - a record? (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Sun, 20 May 2012 22:51:15 -0500
Jerry, Please do us a favor and list make and model of the fan. Frankly, I am a bit surprised about a ceiling fan causing RFI, but I suupose anything is possible. I say that because I have 5 ceiling
/archives//html/RFI/2012-05/msg00033.html (9,025 bytes)

54. Re: [RFI] 6 Minutes - a record? (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Mon, 21 May 2012 23:02:52 -0500
Jerry, All's well that ends well. While I am not surprised about the touch lamp being the eventual "guilty party", I am a little amazed that it had previously been RF quiet. Those things can be notor
/archives//html/RFI/2012-05/msg00037.html (13,008 bytes)

55. Re: [RFI] RFI from HIGH voltage power lines (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Fri, 1 Jun 2012 11:01:04 -0500
Mike, As always, good info and advice. I do have a comment and a related question. The comment: I don't know the situation in all parts of the country, but here in Eastern Iowa, there might be two (2
/archives//html/RFI/2012-06/msg00007.html (13,779 bytes)

56. Re: [RFI] RfI in CCTV reader (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Wed, 27 Jun 2012 23:39:25 -0500
Vince, We need a little more info so we can be more effective helpers. 1. What band or bands do you operate when the problems occur? 2. Do you have any problems when running without the amplifier? 3.
/archives//html/RFI/2012-06/msg00081.html (8,310 bytes)

57. Re: [RFI] RfI in CCTV reader (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Thu, 28 Jun 2012 12:27:40 -0500
Vince, Thank you for the reply comments. There are many people on this list who are more expert than I am on some RFI issues, but I'll start things rolling with a few remarks based upon your reply: 1
/archives//html/RFI/2012-06/msg00083.html (12,918 bytes)

58. Re: [RFI] Lightning Protection (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Sun, 1 Jul 2012 17:17:59 -0500
Fred, Pete, and all of the other persons posting on this topic: First, many thanks to everyone for contributing their thoughts, suggestions, or questions to this topic. In my 50 years of hamming, I h
/archives//html/RFI/2012-07/msg00012.html (21,272 bytes)

59. Re: [RFI] Single-point grounding (score: 1)
Author: "Dale Svetanoff" <svetanoff@earthlink.net>
Date: Sun, 1 Jul 2012 21:06:58 -0500
Roger, Just a few remarks: 1. YES, all I/O cables between the house and outside world need to pass thru a common grounding panel. The fact that I have 2 such panels, at opposite ends of the house, do
/archives//html/RFI/2012-07/msg00015.html (21,343 bytes)

60. Re: [RFI] Noise emitted by rotator (score: 1)
Author: Dale <svetanoff@earthlink.net>
Date: Sun, 5 Aug 2012 09:54:57 -0400 (GMT-04:00)
Pete and All, I have a G-1000 and can tell you that since it has a speed control, the output of the control unit is PWM (pulse width modulated). I have never heard QRN from the rotor or control unit,
/archives//html/RFI/2012-08/msg00020.html (13,085 bytes)


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