Mail Archive Search: <+from:n4zr@contesting.com>

Results:

References: [ +from:n4zr@contesting.com: 336 ]

Total 336 documents matching your query.

301. Re: [RFI] Strong, broadband noise during wet conditions (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Fri, 15 Mar 2013 17:07:10 -0400; Had the local utility RFI guy over this morning. While they didn't find my main noises yet, they did replace a lightning arrestor on a transformer feeding a neighbor's house. He said these are virtua; /archives//html/RFI/2013-03/msg00080.html (10,886 bytes)
302. Re: [RFI] Strong, broadband noise during wet conditions (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Tue, 19 Mar 2013 10:36:46 -0400; Well, that's the standard behavior for distribution-level HV - quiet when wet. 73, Pete N4ZR Check out the Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com. For; /archives//html/RFI/2013-03/msg00088.html (10,729 bytes)
303. [RFI] Do-it-yourself DF (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Tue, 23 Apr 2013 10:56:17 -0400; I have an Icom shirt-pocket dual-bander that covers the 136 MHz aircraft band. bought at Dayton for <$100. I built a Moxon for that frequency from a QST article, useful because of its cardioid patter; /archives//html/RFI/2013-04/msg00019.html (14,297 bytes)
304. Re: [RFI] FCC issues official citation for well pump RFI on Topband (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Thu, 25 Apr 2013 09:36:00 -0400; Well, sorta. My pump iis 270 feet down, and only 55 feet of that is in casing. The rest is bedrock/karst limestone, which is probably adequate shielding. The wiring is 2 feet underground until it arr; /archives//html/RFI/2013-04/msg00042.html (9,543 bytes)
305. Re: [RFI] fence chargers (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Tue, 14 May 2013 05:42:09 -0400; And the usual things ... are all the connections in the fence circuit tight? Are there any leakage paths to ground such as uninsulated fence post mountings, or even tall grass close to the hot wire?; /archives//html/RFI/2013-05/msg00050.html (9,392 bytes)
306. Re: [RFI] 300 MHz RFI detection. (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Mon, 27 May 2013 16:41:28 -0400; I have used for years an Icom IC-Q7A, which is a 2m/440 shirt-pocket handi that cost under $100 at Dayton. It has 136 MHz aircraft band AM, so I built a Moxon from a QST article, and it works great -; /archives//html/RFI/2013-05/msg00076.html (8,664 bytes)
307. Re: [RFI] RFI, Power Company. (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Mon, 27 May 2013 16:46:31 -0400; IMO, this is bad advice - arcing and sparking are the same thing. My power company just wants to know it's there, and if possible on which pole. I've found it works very well with neighbors to bring; /archives//html/RFI/2013-05/msg00077.html (11,616 bytes)
308. Re: [RFI] RFI, Power Company. (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Mon, 27 May 2013 17:02:50 -0400; I have Marv Loftness'sAC Power Interference Manual Manual, and it makes it clear that sparking can cause RFI, as can arcing. He gives as an example of sparking loose hardware tying an insulator to a; /archives//html/RFI/2013-05/msg00079.html (9,187 bytes)
309. Re: [RFI] RFI, Power Company. (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Wed, 29 May 2013 07:59:42 -0400; OK, that makes sense to me. I have the good fortune to have become friends with the guy responsible for RFI at our local power company, so I have his direct line and can call him whenever I need help; /archives//html/RFI/2013-05/msg00087.html (12,903 bytes)
310. Re: [RFI] What the Cellphone Industry Doesn't Want You to Know about Radiation Concerns (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Fri, 14 Jun 2013 08:48:10 -0400; The article is shot full of juicy bits like this, as well as outright mistakes. 73, Pete N4ZR Check out the Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com. For; /archives//html/RFI/2013-06/msg00025.html (8,707 bytes)
311. Re: [RFI] LED Under Cabinet Kitchen Lights YES or NO (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Fri, 26 Jul 2013 07:39:59 -0400; I think you can assume that anything that uses active circuitry to convert the line voltage down to the level required by the LED lights has the potential to cause RFI. You might look into whether an; /archives//html/RFI/2013-07/msg00021.html (8,594 bytes)
312. Re: [RFI] Invisible Fence RFI? (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Mon, 02 Dec 2013 05:43:21 -0500; I have one - Invisible Fence brand - with a 1000-foot buried loop. There are others. They operate down in the 15 KHz range, and I have never noticed any interference to HF. 73, Pete N4ZR Check out th; /archives//html/RFI/2013-12/msg00021.html (8,835 bytes)
313. Re: [RFI] Thumper & not the rabbit (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Tue, 01 Apr 2014 15:52:26 -0400; I remember very well when the FCC first adopted these rules. I did a lot of homework at the time and, to my mind at least, it was junk science. I don't blame the FCC (much) for adopting a standard, a; /archives//html/RFI/2014-04/msg00005.html (10,578 bytes)
314. [RFI] Data signal at 21001.47 (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Sat, 03 May 2014 14:40:03 -0400; Anyone else hearing a wide and fairly loud data signal down on the bottom end of 15 right now? As well as I can tell it seems to be NE from West Virginia, -- 73, Pete N4ZR Check out the Reverse Beaco; /archives//html/RFI/2014-05/msg00004.html (7,267 bytes)
315. Re: [RFI] VDSL (very-high-bit-rate digital subscriber line) (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Tue, 06 May 2014 07:47:22 -0400; And folks, please, when you hijack a thread please please please change the title. 73, Pete N4ZR Check out the Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com.; /archives//html/RFI/2014-05/msg00013.html (10,841 bytes)
316. Re: [RFI] FCC contact? (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Sun, 11 May 2014 16:14:57 -0400; I would certainly get with local hams and try DFing it. Even a simple 2M handi with AM receive in the aircraft band can do the job. For better results, replace the rubber ducky with a resonant dipole; /archives//html/RFI/2014-05/msg00034.html (9,693 bytes)
317. Re: [RFI] Decoupling small trailer to reduce RFI? (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Mon, 26 May 2014 06:58:16 -0400; It was the guy who invented APRS - WB4APR - who had a fully-tricked out solar-powered Prius mobile he used to bring to hamfests. He might be a good souce of info. Also see <http://www.findu.com/cgi-b; /archives//html/RFI/2014-05/msg00066.html (8,522 bytes)
318. Re: [RFI] Subject: Re: Recommended Handheld VHF-UHF Yagi? (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Sun, 22 Jun 2014 17:57:08 -0400; Or... another possibility, though single-frequency, is a Moxon. There was an article in QST around 2001 for a 136-mhz receiver cum Moxon antenna unit specifically for RFI hunting. The beauty of the M; /archives//html/RFI/2014-06/msg00135.html (10,131 bytes)
319. Re: [RFI] ARRL to FCC... (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Fri, 01 Aug 2014 06:40:01 -0400; Jim, for whatever it may be worth, we have 8 2-bulb Kichler Xenon under cabinet fixtures in our kitchen, which is directly below my shack. I have never noticed any noise from these on HF. We did have; /archives//html/RFI/2014-08/msg00001.html (9,007 bytes)
320. Re: [RFI] Cree LED Light Bulb (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Mon, 11 Aug 2014 11:17:32 -0400; I started looking into this subject after reading about fire hazards from LED bulbs in fully-enclosed ceiling lights. Now I see that Home Depot has units that are specifically designed to go in a 5 o; /archives//html/RFI/2014-08/msg00013.html (8,671 bytes)

Current List: 301 - 320
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17]