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21. [RFI] re: BPL (score: 1): Author: w1rfi at arrl.org (Hare,Ed, W1RFI); Date: Wed Jun 11 17:25:42 2003; I am in the process of testing the trial areas right now. They are coming in right on the money -- systems that operate "at the legal limit" have inteference that exactly matches what theory says sho; /archives//html/RFI/2003-06/msg00036.html (15,680 bytes)
22. [RFI] RE: A Serious Threat (score: 1): Author: w1rfi at arrl.org (Hare,Ed, W1RFI); Date: Thu Jun 12 15:09:43 2003; I expect that BPL will be the focus of my life for the duration. Since the NOI came out, I have scarcely had time to work on anything else! 73, Ed Hare, W1RFI ARRL Lab 225 Main St Newington, CT 0611; /archives//html/RFI/2003-06/msg00041.html (13,265 bytes)
23. [RFI] BPL NOI reply deadline? (score: 1): Author: w1rfi at arrl.org (Hare,Ed, W1RFI); Date: Fri May 30 17:35:35 2003; It was published 5/23, but the Federal Register gave a Comment date in August. 73, Ed Hare, W1RFI ARRL Lab 225 Main St Newington, CT 06111 Tel: 860-594-0318 Internet: w1rfi@arrl.org Web: http://www.a; /archives//html/RFI/2003-05/msg00037.html (8,512 bytes)
24. [RFI] Switch mode lamp noise (score: 1): Author: w1rfi at arrl.org (Hare,Ed, W1RFI); Date: Thu Feb 13 18:52:14 2003; Martin, What manufacturer model number? If they are avialable in the US, I want to test them to see if they comply with the FCC conducted emissions limits. Are they CE marked? 73, Ed Hare, W1RFI ARRL; /archives//html/RFI/2003-02/msg00023.html (9,156 bytes)
25. [RFI] RSGB EMC Guide 'problem" (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Tue, 7 Jan 2003 11:08:09 -0500; Hi, Tom, If you bought the book from ARRL, I can arrange a replacement for you. Email me and let me know. I can also send you a photocopy of the page. 73, Ed Hare, W1RFI ARRL Lab 225 Main St Newingto; /archives//html/RFI/2003-01/msg00011.html (7,838 bytes)
26. [RFI] s7-s9 noise (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Tue, 14 Jan 2003 18:59:13 -0500; Hi, Dennis, That sure sounds like electrical noise. Under Part 15 of the FCC's rules, power lines are "incidental emitters." Incidental emitters are devices that don't deliberately generate RF energy; /archives//html/RFI/2003-01/msg00024.html (19,055 bytes)
27. [RFI] Line noise is more than a nuisance! (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 2 Dec 2002 19:16:53 -0500; What if the emergency is outside my area, but I need to receive the emergency traffic? There is merit to the argument -- it forms the very basis for the FCC's support of amateur radio. 73, Ed Hare, W; /archives//html/RFI/2002-12/msg00014.html (9,292 bytes)
28. [RFI] RFI resistant telephones (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 2 Dec 2002 19:20:33 -0500; Hi, Ed, Radio Shack has an extensive set of specifications their vendors have to meet. Last I checked with RS, they require the phones to exhibit a modicum of immunity to RF fields. That is why many; /archives//html/RFI/2002-12/msg00015.html (10,665 bytes)
29. [RFI] Utilities contacted by the FCC (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 2 Dec 2002 19:55:09 -0500; So far, there have been about 20 utilities contacted by the FCC. (Behind each one of them can be from 5 to 100 hours of ARRL HQ staff time, as we try to resolve it directly as part of the deal with R; /archives//html/RFI/2002-12/msg00016.html (14,027 bytes)
30. How to deal with neighbors (was RE: [RFI] DVD/TVI interference) (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 2 Dec 2002 20:16:54 -0500; There are two tools that may help with a neighbor. The first is the pamphlet ARRL jointly publishes with the Consumer Electronics Manufacturers Association. See: http://www.arrl.org/news/rfi/neighbor; /archives//html/RFI/2002-12/msg00017.html (14,513 bytes)
31. [RFI] RFI resistant telephones (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 2 Dec 2002 23:28:57 -0500; A quick followup -- the ARRL info on telephone interference is at: http://www.arrl.org/tis/info/rfitel.html Now, time to go home and try to get my wife to speak to me. :-) 73, Ed Hare, W1RFI ARRL Lab; /archives//html/RFI/2002-12/msg00018.html (12,198 bytes)
32. [RFI] ARRL Web page RFI survey (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Tue, 10 Dec 2002 19:35:54 -0500; Go to the web page and vote on the current survey about power-line noise. The results are at http://www.arrl.org/survey.php3, and they were higher than I expected. 73, Ed Hare, W1RFI ARRL Lab 225 Mai; /archives//html/RFI/2002-12/msg00032.html (6,528 bytes)
33. [RFI] QST article on powerline noise receiver (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Tue, 10 Dec 2002 19:43:16 -0500; The QST/QEX/NCJ/HamRadio search engine is at: http://www.arrl.org/members-only/qqnsearch.html It offers some neat new features. First, the articles that are available for download come up first. Righ; /archives//html/RFI/2002-12/msg00033.html (9,426 bytes)
34. [RFI] DFing progress (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Wed, 18 Dec 2002 10:36:37 -0500; What I suggest for an attenuator is a simple 10-dB design for a pi-net attenuator. The input Rs go to ground, with a resistor in between them. For 10 dB, the input and output resistors should be 100; /archives//html/RFI/2002-12/msg00040.html (8,564 bytes)
35. [RFI] RR crossing lights (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Fri, 20 Dec 2002 13:08:58 -0500; I recently designed and put together a mobile setup for measuring field strength. (More on this later -- it is really slick!) My initial setup was on HF, to measure power-line noise. I noted somethin; /archives//html/RFI/2002-12/msg00047.html (13,375 bytes)
36. [RFI] PAR electronics notch filters (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Wed, 20 Nov 2002 17:25:57 -0500; See http://www.arrl.org/tis/info/intermod. The PAR filters are among the techniques discussed. 73, Ed Hare, W1RFI ARRL Lab 225 Main St Newington, CT 06111 Tel: 860-594-0318 Internet: w1rfi@arrl.org W; /archives//html/RFI/2002-11/msg00032.html (8,987 bytes)
37. [RFI] Subwoofer does CW (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 25 Nov 2002 13:28:12 -0500; Even at that, it is a good idea to warn him that these things can be complex and that RFI has a number of different cures that may need to be tried. That way, if the first few don't work out, he wil; /archives//html/RFI/2002-11/msg00038.html (10,523 bytes)
38. [RFI] Power line RFI situation (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 25 Nov 2002 13:24:49 -0500; It definitely heard ultrasound, but the fellow we had here working on power-line stuff never did take it out and listen to a few noises. Our new RFI guru, Mike Gruber, W1MG, has it on an ever-growing; /archives//html/RFI/2002-11/msg00039.html (10,518 bytes)
39. [RFI] TV Cable Information and TVI (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Thu, 26 Sep 2002 20:07:50 -0400; A good treatise for dealing with cable-TVI problems is found at: http://www.arrl.org/tis/info/HTML/catvi/index.html I wrote it a few years back for Communications Technology, a cable industry trade j; /archives//html/RFI/2002-09/msg00014.html (10,685 bytes)
40. [RFI] FT-847 is a Part 15 Device? (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Tue, 23 Jul 2002 16:18:22 -0400; The sky is not falling. Certain VHF and up receivers require FCC Certification and the Part 15 label covers the operation of the receiver. Whew! 73, Ed Hare, W1RFI ARRL Lab 225 Main St Newington, CT; /archives//html/RFI/2002-07/msg00010.html (8,849 bytes)

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