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81. [RFI] RFI/EMC Help Wanted (score: 1): Author: Hare,Ed, W1RFI" <w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Thu, 25 Jan 2001 10:36:15 -0500; http://www.arrl.org/announce/jobs/ Sorry for the "spam," but it IS related to Amateur Radio. I hope my making an occasional contribution here buys me a litte slack. :-) 73, Ed Hare, W1RFI ARRL Labora; /archives//html/RFI/2001-01/msg00035.html (7,145 bytes)
82. [RFI] RFI Troubles (score: 1): Author: Hare,Ed, W1RFI" <w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Fri, 22 Dec 2000 18:48:23 -0500; Hello, Gerry, speakers on his computer. One first good step for you and your neibhbor to take is for you to both understand the differences between RFI caused by rules violations at your station and; /archives//html/RFI/2000-12/msg00018.html (16,911 bytes)
83. [RFI] 1-way telephone interference (score: 1): Author: Hare,Ed, W1RFI" <w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Thu, 2 Nov 2000 08:46:57 -0500; Yes, it is possible for RF to get into the audio section of your telephone without getting into the outgoing audio. The cure would be the same as any other type of telephone interference -- keep the; /archives//html/RFI/2000-11/msg00002.html (8,614 bytes)
84. [RFI] Noise (score: 1): Author: Hare,Ed, W1RFI" <w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Mon, 16 Oct 2000 21:06:18 -0400; If the noise manifests itself as a buzzy signal about every 15.75 kHz, for antenna connected TVs, try a high pass filter at the TV set and a common-mode choke (about 10 turns of the TV feed line onto; /archives//html/RFI/2000-10/msg00014.html (8,391 bytes)
85. [RFI] RFI story of the day (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Thu, 3 Aug 2000 12:33:10 -0400; I may have the RFI story of the century (last century, that is). :-) One day, I was called to the ARRL lobby. I met a woman there who introduced herself as the neighbor of a ham. She was very unhappy; /archives//html/RFI/2000-08/msg00005.html (10,881 bytes)
86. [RFI] 2.4 GHz Phones (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Thu, 3 Aug 2000 16:47:22 -0400; By my calculations, 2kW 10 meters away should result in an RMS field of 24.5 V/m, assuming 0 dBi antenna gain. This would be 34.7 V/m peak voltage field. At the typical angles between antennas and a; /archives//html/RFI/2000-08/msg00010.html (16,870 bytes)
87. [RFI] digital phone RFI (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Thu, 3 Aug 2000 18:03:14 -0400; Hi, Bob, Have you tried a telephone RFI filter on the connection of this phone to the phone line? Telephone devices are not usually as good a radiator as are the great big long-wire antennas they are; /archives//html/RFI/2000-08/msg00013.html (9,951 bytes)
88. [RFI] Cable Modem RFI (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Mon, 10 Jul 2000 13:38:03 -0400; I had forwarded this message to Ron Hranac, N0IVN. Ron is a member of the ARRL RFI Task Group and a Director on the Society of Cable Telecommunications Engineers. 73, Ed Hare, W1RFI ARRL Laboratory S; /archives//html/RFI/2000-07/msg00009.html (10,595 bytes)
89. [RFI] FW: TV set RFI questions (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Mon, 24 Jul 2000 10:40:38 -0400; That list was actually maintained for a brief time by the Electronic Industries Association. It has long-since been discontinued by EIA (now the Consumer Electronics Association). In 1994, ARRL unde; /archives//html/RFI/2000-07/msg00012.html (11,598 bytes)
90. [RFI] Spray Shielding? (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Mon, 12 Jun 2000 10:20:09 -0400; See http://www.arrl.org/cgi-bin/tisfind?case=on&patt=EMI%3eEMI+SHIELDING for a list of companies that sell or manufacture various RFI shielding. GC/Thorsen sells "EMI-RFI Shield," or at least they di; /archives//html/RFI/2000-06/msg00004.html (9,982 bytes)
91. FW: [RFI] Spray Shielding? (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Mon, 12 Jun 2000 16:02:08 -0400; I received a personal inquiry I am reposting with permission. 73, Ed Hare, W1RFI ARRL Laboratory Supervisor 225 Main St Newington, CT 06111 Tel: 860-594-0318 FAX: 860-594-0259 Internet: w1rfi@arrl.or; /archives//html/RFI/2000-06/msg00007.html (10,870 bytes)
92. [RFI] Phone RFI filter (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Mon, 27 Mar 2000 08:58:52 -0500; Actually, it contains the toroid, the wire, the small PC board and connectors on it, the male and female phone line connectors, the case and the Radio Shack markup. K-Com sells their filters to Radi; /archives//html/RFI/2000-03/msg00005.html (10,288 bytes)
93. [RFI] What next? (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Tue, 1 Feb 2000 20:32:29 -0500; The ARRL Regulatory Information Branch (RIB) just put up a new RFI package at: http://www.arrl.org/field/regulations/rfi-legal/ While not intended to be legal advice, it offers some general backgrou; /archives//html/RFI/2000-02/msg00004.html (10,668 bytes)
94. [RFI] Neon signs? (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Tue, 11 Jan 2000 12:44:36 -0500; To help you understand the applicable Part 15 regulations, see: http:://www.arrl.org/tis/info/part15.html See also http://www.arrl.org/tis/info/rfi-elec.html. Ferrites may help, but it is more likel; /archives//html/RFI/2000-01/msg00014.html (9,655 bytes)
95. [RFI] Neon signs? (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Tue, 11 Jan 2000 15:54:37 -0500; Hello, Ed You offer. Thanks for the accolade. A lot of people worked hard to make that book happen. Thought I would mention that "The ARRL RFI Book" is the sequel to that book. For info, see: http://; /archives//html/RFI/2000-01/msg00015.html (11,017 bytes)
96. [RFI] Sounds Wanted (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Fri, 14 Jan 2000 10:55:21 -0500; Hello, fellow RFI "enthusiasts," As if I needed another RFI job to do, I have decided I want to add sound files to the ARRL web pages on RFI. This will help hams identify unknown sounds. Although I c; /archives//html/RFI/2000-01/msg00018.html (7,975 bytes)
97. [RFI] Mystery buzz 1.7 to 2.0 MHz (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Thu, 2 Dec 1999 12:27:24 -0500; with the See http://www.arrl.org/tis/info/part15.html for a description of applicable Part 15 rules. See http://www.arrl.org/tis/info/rfi-elec.html for an article on electrical interference (althoug; /archives//html/RFI/1999-12/msg00011.html (13,102 bytes)
98. FW: [RFI] Motion Detector RFI? (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Thu, 2 Dec 1999 13:43:10 -0500; Hi, Scott, I would treat the motion detector problem as any other case of RF getting INTO a device connected to the power lines. Chances are good that RF is getting picked up on the wiring, coupled i; /archives//html/RFI/1999-12/msg00012.html (11,605 bytes)
99. [RFI] List of potential interferers (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Thu, 2 Dec 1999 17:12:35 -0500; I am in the process of revising ARRL's Web pages on RFI. One of those pages will be a large page on the overall problems of interference from unlicensed RF emitters. From that page, I want to link to; /archives//html/RFI/1999-12/msg00013.html (9,178 bytes)
100. [RFI] Noise (score: 1): Author: Hare, Ed, W1RFI" <w1rfi@arrl.org (Hare, Ed, W1RFI); Date: Mon, 27 Dec 1999 14:52:08 -0500; An additional article can be seen at: http://www.arrl.org/tis/info/pdf/59378.pdf 73 from ARRL HQ, Ed Hare, W1RFI ARRL Lab 225 Main St Newington, CT 06111 860-594-0318 w1rfi@arrl.org -- Visit the ARRL; /archives//html/RFI/1999-12/msg00054.html (17,767 bytes)

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