- 261. Re: [RFI] Lightning Protection (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Mon, 2 Jul 2012 16:10:23 +0000
- " I see the diasharge brushes on remote sites, radar, repeaters, surveillance, even airports surrounded by towers with brush arrays a few tens of feet across?" "Not effective at all? What about a row
- /archives//html/RFI/2012-07/msg00025.html (11,309 bytes)
- 262. Re: [RFI] Lightning Protection (score: 1)
- Author: "Ed K0iL" <eddieedwards@tconl.com>
- Date: Mon, 2 Jul 2012 21:02:51 -0500
- ATTRACT and DIVERT Yep, that is more what I was thinking Jim. Just too early I guess. ;-) 73, de ed show them used on building roof tops probably to meet NEC code. We don't "absorb" a strike -- it's
- /archives//html/RFI/2012-07/msg00037.html (9,643 bytes)
- 263. Re: [RFI] MFJ-856 oddity (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Wed, 8 Aug 2012 14:27:20 +0000
- Hisashi, I think one of our techs at work who is also a ham assembled an ultrasound kit with a dish. He found it really didn't work well enough to be much help doing RI tracking on electric power pol
- /archives//html/RFI/2012-08/msg00037.html (14,036 bytes)
- 264. Re: [RFI] Getting a Gas Furnace, and Electric AC unit... (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Mon, 13 Aug 2012 17:33:48 +0000
- My old Lennox furnace installed around 1995 has had the sparking noise during ignition all along. It is pretty minor RFI and never interfered with QSOs except maybe in some CW contests. But this prob
- /archives//html/RFI/2012-08/msg00068.html (10,141 bytes)
- 265. Re: [RFI] Motors/controllers and something to think about (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Thu, 16 Aug 2012 14:49:39 +0000
- You nailed it! Today the FCC is run by lawyers & politicians neither of whom like to deal with engineers & technicians. Even noticed this bias among hams who are lawyers although to a much lesser deg
- /archives//html/RFI/2012-08/msg00089.html (8,627 bytes)
- 266. Re: [RFI] RFI Digest, Vol 115, Issue 23.....identification or rfi (score: 1)
- Author: "Eddie Edwards" <eddieedwards@tconl.com>
- Date: Sat, 25 Aug 2012 10:53:44 -0500
- Dave, The fact that you have two different levels of noise could possibly mean you have two different noise sources, not one. When the level of noise dropped from source number 1, only then could you
- /archives//html/RFI/2012-08/msg00101.html (8,912 bytes)
- 267. Re: [RFI] Noise changes when room lights turn on / off- NOISEFOUND!!!!! (score: 1)
- Author: "Eddie Edwards" <eddieedwards@tconl.com>
- Date: Sun, 23 Sep 2012 00:33:14 -0500
- Recently purchased a photocell controlled socket/adapter for outdoor lighting. I noticed they specified which type of bulbs to use with them. Some spec'd incandescent whiles the others said CFL only.
- /archives//html/RFI/2012-09/msg00149.html (10,580 bytes)
- 268. Re: [RFI] RFI Audio Cuts... (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Tue, 23 Oct 2012 18:09:06 +0000
- It does not appear to be active any longer: http://www.ve3hls.com/noise/rfihome.html there was a site that did this, i think it was run by a ve3... a good googling should find it if it is still activ
- /archives//html/RFI/2012-10/msg00036.html (9,722 bytes)
- 269. Re: [RFI] RFI Audio Cuts... (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Tue, 23 Oct 2012 18:18:35 +0000
- OK. Found it has been archived: http://forums.qrz.com/showthread.php?249618-RFI-recordings-gone Archived here: http://web.archive.org/web/20071021154325/http://www.arrl.org/tis/info/HTML/rfi-noise/ A
- /archives//html/RFI/2012-10/msg00037.html (8,955 bytes)
- 270. Re: [RFI] RFI with sound bites (score: 1)
- Author: "Ed K0iL" <eddieedwards@tconl.com>
- Date: Sun, 2 Dec 2012 11:45:21 -0600
- If it was wet or rainy, I had a similar sounding noise caused by a bent squirrel guard on top of a power transformer. It started with a steady pulse of noise with the start of rain, much like the sou
- /archives//html/RFI/2012-12/msg00002.html (9,954 bytes)
- 271. Re: [RFI] HDTV: Plasma vs LCD (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Fri, 21 Dec 2012 17:34:21 +0000
- I've only been successful getting rid of nearby touch lamps using that method. 73, de ed -K0iL If anyone knows of cases where that actually worked, I'm not aware of it. My worst plasma TV produces S7
- /archives//html/RFI/2012-12/msg00095.html (10,146 bytes)
- 272. [RFI] AVR 1700 AV-receiver by Harmon Kardon (score: 1)
- Author: "Ed K0iL" <eddieedwards@tconl.com>
- Date: Sun, 23 Dec 2012 00:01:18 -0600
- Just curious if anyone has experience with RFI from the Harmon Kardon AVR 1700 5.1/AV receiver? Bought it before I researched it (price was right-<half price), but have not opened the box yet since I
- /archives//html/RFI/2012-12/msg00106.html (7,166 bytes)
- 273. Re: [RFI] Power line noise question for the experts (score: 1)
- Author: "Ed K0iL" <eddieedwards@tconl.com>
- Date: Wed, 26 Dec 2012 16:01:58 -0600
- Paul, What brand/model of ultrasonic unit are you using? If it's one of them DIY "kit" units, you might want to use a more sensitive unit if you want to confirm your findings. Or possible just have t
- /archives//html/RFI/2012-12/msg00156.html (10,141 bytes)
- 274. Re: [RFI] coaxial entrance panel (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Thu, 27 Dec 2012 16:14:15 +0000
- Jorge, You can find six really decent whitepapers and/or articles (with photos!) on lightning protection on DX Engineering's web site at this link: http://www.dxengineering.com/techarticles/lightning
- /archives//html/RFI/2012-12/msg00162.html (10,550 bytes)
- 275. Re: [RFI] Electrical transfomer near shack, a problem? (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Thu, 10 Jan 2013 14:53:32 +0000
- My property has the pad mount transformer in my backyard. Been there 21 years, and I've never had any power line noise from the transformer. While transformer RFI problems aren't nearly as common as
- /archives//html/RFI/2013-01/msg00068.html (11,428 bytes)
- 276. Re: [RFI] RFI 160m (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Tue, 22 Jan 2013 14:49:32 +0000
- Yes, they do. Mike Gruber, W1MG, is the RFI engineer at ARRL Lab ( http://www.arrl.org/the-lab-staff ). http://www.arrl.org/radio-frequency-interference-rfi However, ever since Riley Hollingsworth. K
- /archives//html/RFI/2013-01/msg00112.html (9,181 bytes)
- 277. [RFI] Reliant Energy RFI case information (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Tue, 22 Jan 2013 16:47:38 +0000
- While looking at the ARRL RFI web page earlier, I finally found the info about the Reliant Energy case from 2003. Interesting story. It's in this issue of The ARRL Letter: http://www.arrl.org/arrllet
- /archives//html/RFI/2013-01/msg00116.html (7,298 bytes)
- 278. Re: [RFI] Ultra Sonics (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Mon, 22 Apr 2013 13:20:02 +0000
- If you haven't tried this yet--to get some directivity during your search, increase the frequency being used and decrease the receiver gain until you almost lose the signal. Then search again and rep
- /archives//html/RFI/2013-04/msg00012.html (8,203 bytes)
- 279. Re: [RFI] TVI Question (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Wed, 24 Apr 2013 17:44:03 +0000
- Wouldn't an illegal amplifier used out of the designed bands emit more RF trash than if it were being properly used within the bands it's designed to operate? Of course, couple this with a susceptibl
- /archives//html/RFI/2013-04/msg00031.html (9,179 bytes)
- 280. Re: [RFI] RFI, Power Company. (score: 1)
- Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>
- Date: Fri, 24 May 2013 20:38:06 +0000
- A word of caution: To a utility, there is a difference before "arching" and "sparking". If you have arching, the ham won't be the only person to call in the problem because everyone will probably be
- /archives//html/RFI/2013-05/msg00069.html (9,296 bytes)
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