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1. Re: [RFI] RF quiet UPS? (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Wed, 28 Oct 2009 16:45:13 -0400; Seems to me that needs may vary. For me, the most common scenario is the quick (usually squirrel-induced) dips that do nothing but cause my computers to reboot. I ran a 350VA UPS for years here to me; /archives//html/RFI/2009-10/msg00048.html (7,974 bytes)
2. Re: [RFI] ATT U-Verse RFI issues??? (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Tue, 21 Jul 2009 05:48:10 -0400; Judging by our local power company's practice, working on the HV does not require turning off the neighborhood. Sometimes they can shut down the offending leg, or if that won't work, what they do ins; /archives//html/RFI/2009-07/msg00022.html (9,796 bytes)
3. Re: [RFI] Coaxial Choke (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Wed, 15 Apr 2009 17:14:33 -0400; I suspect, but don't know, that your results would be substantially the same with no balun at all. This whole current balun thing is a relatively recent phenomenon, and for 40-odd years most of us ne; /archives//html/RFI/2009-04/msg00052.html (13,106 bytes)
4. [RFI] 160M incoming RFI (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Fri, 13 Mar 2009 15:19:37 -0400; I have a very perplexing RF noise on 160M, which started a couple of weeks ago. It takes the form of a broad increase in the noise floor from about 1805 to 1825. On AM, CW and SSB it occurs with what; /archives//html/RFI/2009-03/msg00047.html (7,665 bytes)
5. Re: [RFI] 20 Meter Noise Level (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Fri, 13 Mar 2009 14:00:59 -0400; Nah - you just run a cliplead between the aluminum foil around the TV and the aluminium foil hat you're wearing. 73, Pete N4ZR _______________________________________________ RFI mailing list RFI@con; /archives//html/RFI/2009-03/msg00043.html (8,661 bytes)
6. [RFI] Another mystery signal (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Wed, 28 Jan 2009 07:35:11 -0500; Anyone know what is the likely source of carriers every 1 KHz across 80 and 40 meters? It appears to be somewhere very close by (in the house), because it can only be heard when I have a break in the; /archives//html/RFI/2009-01/msg00200.html (6,518 bytes)
7. Re: [RFI] A RF Quiet Electric Fencer needed (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Mon, 05 Jan 2009 15:32:48 -0500; It should also be a strong selling point for the owner of the fence - an arcing fence is a weak fence, and cattle have pretty thick hides, so it ought to be in his interest to get it fixed and keep i; /archives//html/RFI/2009-01/msg00031.html (9,035 bytes)
8. Re: [RFI] A RF Quiet Electric Fencer needed (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Mon, 05 Jan 2009 13:17:02 -0500; This has been my experience too. For example, a neighbor's electric fence was very noisy until we fixed a leak to a rain-moistened post that was arcing with each pulse. 73, Pete N4ZR ________________; /archives//html/RFI/2009-01/msg00026.html (9,003 bytes)
9. Re: [RFI] Nasty RFI wiping out higher bands (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Tue, 16 Dec 2008 07:26:28 -0500; Bravo, Paul. We should all be writing our Directors asking for attention and action on this issue. In the meantime, it would be very interesting to know whether a good filter (common plus differentia; /archives//html/RFI/2008-12/msg00031.html (11,440 bytes)
10. Re: [RFI] CFL Bulbs (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Wed, 12 Nov 2008 15:27:47 -0500; I've had CFLs for 10 years now, in outside lights. They take a while to come up to full brilliance, but they always come up here in temps down to zero farenheit. 73, Perte N4ZR ______________________; /archives//html/RFI/2008-11/msg00017.html (11,270 bytes)
11. Re: [RFI] Power line Bandwidth Characteristics (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sun, 12 Oct 2008 21:27:55 -0400; Turned out to be on the pole that feeds my house - telephoning the power company tomorrow. 73, Pete _______________________________________________ RFI mailing list RFI@contesting.com http://lists.co; /archives//html/RFI/2008-10/msg00048.html (15,132 bytes)
12. Re: [RFI] Power line Bandwidth Characteristics (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sun, 12 Oct 2008 12:32:29 -0400; This is good advice, as you might expect from a professional, which Mike is. With my 18 MHz portable SW receiver I can walk down the line and hear distinct peaks and valleys. Often, at that frequency; /archives//html/RFI/2008-10/msg00043.html (12,672 bytes)
13. Re: [RFI] Powerline Bandwidth Characteristics (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sat, 11 Oct 2008 07:50:25 -0400; I hope Mike will respond, but in the meantime.. Real "powerline" noise is broadband, but that isn't necessarily to say that noise with significant 60/120 Hz components can't be narrow-band. As an ane; /archives//html/RFI/2008-10/msg00040.html (9,190 bytes)
14. Re: [RFI] Power line RFI (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Thu, 09 Oct 2008 15:43:23 -0400; An anecdote in support - the loudest power line noise source at my QTH turned out to be the bracket of a lightning arrestor -- not the arrestor itself, but the bracket. It was mounted to the tower wi; /archives//html/RFI/2008-10/msg00034.html (7,789 bytes)
15. Re: [RFI] [Fwd: Noise Follow up] (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Tue, 16 Sep 2008 06:44:03 -0400; Amen to that - I found a neighbor with an electrically-heated dog dish that had a bad thermostat. Emphasizing the fire risk ("hear that - that's a spark somewhere on your house wiring") is very usefu; /archives//html/RFI/2008-09/msg00038.html (8,725 bytes)
16. Re: [RFI] Another strange emitter (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Mon, 08 Sep 2008 17:45:23 -0400; Doggone case-sensitivity! Try http://www.pvrc.org/~n4zr/80M.jpg 73, Pete _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listin; /archives//html/RFI/2008-09/msg00014.html (7,408 bytes)
17. [RFI] Another strange emitter (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Mon, 08 Sep 2008 14:26:25 -0400; This one showed up a few months ago. There are often many of these scatttered across the bands; other times, fewer. It is loudest on 160 and 80 but is occasionally audible up to 20M. Because it has n; /archives//html/RFI/2008-09/msg00011.html (6,856 bytes)
18. Re: [RFI] rfi from Refrigerator (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Tue, 24 Jun 2008 15:50:54 -0400; A few years back, I had S9 arcing noise on 80 and 40. I traced it to the thermostat on a neighbor's electrically heated dog dish, which was sparking as the heat went on and off. That sure sounds like; /archives//html/RFI/2008-06/msg00011.html (8,174 bytes)
19. Re: [RFI] Evils (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Fri, 15 Feb 2008 07:23:36 -0500; OldER TV IF - 21 MHz. What people forget is that when that was done hams did not have 15 meters - we had 11 meters instead! 73, Pete N4ZR _______________________________________________ RFI mailing l; /archives//html/RFI/2008-02/msg00037.html (8,060 bytes)
20. Re: [RFI] RFI from a neighbor (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Fri, 08 Feb 2008 06:43:39 -0500; I think I'd tell them that their electronic dog fence is obviously defective, and could be a fire hazard. These things are normally as quiet as church-mice. Could be they have a break in their loop (; /archives//html/RFI/2008-02/msg00008.html (9,535 bytes)

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