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1. [RFI] Quiet Monitor on sale again (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 07 Jan 2003 01:56:35 -0500; Let me add another option -- the price of LCD flat panel displays is finally starting to come down. www.tigerdirect.com has the MAG LT565 15" (practically the same viewing area as a 17" CRT) for $199; /archives//html/RFI/2003-01/msg00009.html (7,235 bytes)
2. [RFI] Re: Quiet Monitor on sale again (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 07 Jan 2003 15:14:24 -0500; The Corcom/Qualtek rfi-filtered AC power inlets are a good cheap fix (or a help, anyhow) for the power supply problem -- check out Mouser 562-848/03/7, for <$5. The PS in an ATX supply continues to r; /archives//html/RFI/2003-01/msg00013.html (7,579 bytes)
3. [RFI] QST article on powerline noise receiver (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 03 Dec 2002 14:18:01 -0500; I've spent a fruitless half hour trying to find this article in the on-line index -- I know it appeared within the last several years. It described a little non-superhet receiver tuned to the aircraf; /archives//html/RFI/2002-12/msg00020.html (7,057 bytes)
4. [RFI] QST article on powerline noise receiver (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 03 Dec 2002 14:59:15 -0500; That's the one -- wonder why I didn't turn it up. Maybe I searched on power line instead of powerline. Thanks, Jim! 73, Pete N4ZR Sometimes a tower is just a tower; /archives//html/RFI/2002-12/msg00022.html (7,162 bytes)
5. [RFI] DFing progress (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 17 Dec 2002 19:55:29 -0500; I wented to let everyone know that I've succeeded in mating the Moxon rectangle antenna from the March 2001 RFI receiver project to my Icom IC-Q7A handitalky. I cobbled up the antenna out of aluminum; /archives//html/RFI/2002-12/msg00037.html (7,128 bytes)
6. [RFI] RR crossing lights (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 20 Dec 2002 14:17:21 -0500; I'm not sure what the source was, but recently the local highway people had installed a portable light unit at a diversion around some construction. The light unit had some sort of wireless sensor th; /archives//html/RFI/2002-12/msg00048.html (7,901 bytes)
7. [RFI] Mu metal source (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 21 Dec 2002 09:51:17 -0500; Does anyone know of a supplier who sells .2-.4mm thick mu metal sheet in small pieces -- say 30x30 cm? Purpose is to shield against magnetic emissions from a CRT that are getting into a high-impedanc; /archives//html/RFI/2002-12/msg00049.html (6,704 bytes)
8. [RFI] Mu metal source..PS.. (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 21 Dec 2002 11:25:46 -0500; Thanks, Mike -- unfortunately these folks all seem to be either large-quantity or minimum order suppliers. for example, the shortest sheets of mu-80 that advanced magnetics offers is 120 inches... 73; /archives//html/RFI/2002-12/msg00052.html (6,769 bytes)
9. [RFI] Re: alarm system RFI (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 07 Nov 2002 01:47:33 -0500; For what it's worth department... I experience occasional mild RFI from the IR sensors on my garage doors. When sniffing with a portable HF receiver, I found the loudest noise was coming from the tra; /archives//html/RFI/2002-11/msg00014.html (8,205 bytes)
10. [RFI] Shielding (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 07 Nov 2002 08:59:25 -0500; After 48 years as a ham, there are still many big holes in my technical understanding of things. One of the biggest is shielding -- elementary questions like: Does a shield box for RF need to be grou; /archives//html/RFI/2002-11/msg00015.html (7,540 bytes)
11. [RFI] Monitor interferes with transmit audio (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 08 Nov 2002 08:24:05 -0500; Here's the problem that prompted me to feel so deficient in shielding knowledge. Unfortunately, the maker of the DXD doesn't have any ideas, so I'm turning to a broader knowledge base... My station u; /archives//html/RFI/2002-11/msg00023.html (8,980 bytes)
12. [RFI] Noise Canceller vs DSP filter (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 18 Oct 2002 16:43:16 -0400; I have had varying degrees of luck with the DSP in my Mark 5, night-to-night, and experimented with an outboard audio DSP box on my previous radio but sent it back. The noise canceller depends on the; /archives//html/RFI/2002-10/msg00020.html (7,974 bytes)
13. [RFI] Noise gone but don't know why (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 07 Jul 2002 05:33:30 -0400; Amen. The loudest "power-line" noise I have found originated in a lightning arrestor on a pole in the corner of my yard. Seems that it was bolted to the pole with two lag screws. A woodpecker had und; /archives//html/RFI/2002-07/msg00004.html (8,553 bytes)
14. [RFI] Locating Noise - Radiated or Conducted and thenradiated (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 04 Jun 2002 14:54:29 -0400; The MFJ unit is very well regarded by a friend who is an RFI pro, though he says it could use a directional antenna and an attenuator (now it uses a telescoping whip for both). You need to be reasona; /archives//html/RFI/2002-06/msg00015.html (8,534 bytes)
15. [RFI] Audio isolation transformer and RFI (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 21 Jun 2002 15:57:49 -0400; I have cobbled together a patch panel to bring the sound-card connections of my two shack computers to a more reachable place at the back of my desk (the computers are under the desk. Unfortunately,; /archives//html/RFI/2002-06/msg00018.html (7,849 bytes)
16. [RFI] toroid color codes (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 06 May 2002 08:26:07 -0400; I'm looking to pick up an assortment of HF toroids at Dayton. Does anyone know how reliable the standard color codes are for unbranded stuff like I'm apt to find there? I found a table on this reflec; /archives//html/RFI/2002-05/msg00003.html (6,745 bytes)
17. [RFI] rfi to computer via sound card (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 30 May 2002 16:39:47 -0400; I'm setting up to record contests using an SB-16 sound card and Recall Pro software. At the moment I'm dealing with a severe RFI problem, which crashes the Recall software a few seconds into every tr; /archives//html/RFI/2002-05/msg00012.html (7,278 bytes)
18. [RFI] Flat screen monitors easy on RFI? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 18 Apr 2002 17:47:37 -0400; Flat screen or LCD? I can testify that my snazzy Sony Multiscan E100 flat screen CRT monitor is much the noisiest monitor I have ever had in this hamshack. I don't think I've ever read a report of HF; /archives//html/RFI/2002-04/msg00018.html (7,076 bytes)
19. [RFI] A success story (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 27 Apr 2002 08:19:47 -0400; I thought people might want to read a positive power line RFI story for a change. as long-time readers know, I have been rassling with the power company for 4 years now. 2 months ago a new engineer w; /archives//html/RFI/2002-04/msg00020.html (7,427 bytes)
20. [RFI] Power Line RFI -- Slack Spans (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 02 Mar 2002 07:56:09 -0500; I picked up the following from a power company engineer who has been working on my RFI problems. Any old power line workers out there, forgive me if I do not get the terminology 100 percent, but I th; /archives//html/RFI/2002-03/msg00009.html (7,521 bytes)

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