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1. RE: [RFI] HF RFI From Toshiba 32A42A 32" Television (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Wed, 29 Oct 2003 20:23:28 -0000; I got a new sony 38" that is now wrapped in aluminum foil because it made noise on 80m and 160m. David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://www.k1ttt.net AR-Cluster node: 145.69MHz; /archives//html/RFI/2003-10/msg00020.html (8,810 bytes)
2. [RFI] shielding question (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Mon, 22 Dec 2003 20:38:31 -0000; This is probably more of a tvi reflector question... is there one of those, or is this place good enough??? I get into my new dvd 5.1 speaker system. I picked up some shielded speaker wire and ferrit; /archives//html/RFI/2003-12/msg00046.html (7,067 bytes)
3. RE: [RFI] shielding question (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Mon, 22 Dec 2003 22:55:40 -0000; More info: The wire I got is shielded and twisted, it has foil plus a drain wire. This will be replacing the cheap zip cord that came with the system that is just hanging around the living room now.; /archives//html/RFI/2003-12/msg00050.html (8,182 bytes)
4. RE: [RFI] shielding question (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Tue, 23 Dec 2003 12:03:24 -0000; On include types ham What did you lab setup consist of? the braid shield with a drain wire? Don't think I've ever seen that. the skin at I would expect so. What type of foil was on the cables in you; /archives//html/RFI/2003-12/msg00062.html (12,519 bytes)
5. RE: [RFI] shielding answer (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Wed, 24 Dec 2003 19:20:31 -0000; Well, two days of running cable, winding toroids, and adding ground wires and I think the system is about as clean as its going to get. Some more details of the setup and fixes. This whole setup is o; /archives//html/RFI/2003-12/msg00091.html (14,004 bytes)
6. RE: [RFI] shielding answer (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Wed, 24 Dec 2003 20:10:51 -0000; becomes the original cable was cheap zip cord that came with the dvd player. The new stuff is 16ga shielded twisted pair. jack well, on the pcm-optical box the rca connector must have been grounded; /archives//html/RFI/2003-12/msg00094.html (10,251 bytes)
7. Re: [RFI] I wish this guy had interviewed Ed Hare also... (score: 1): Author: k1ttt@arrl.net; Date: Thu, 8 Jan 2004 11:53:49 -0500 (EST); as i understand the homeplug stuff it adapts the channels it uses to avoid interference to itself. in doing so it would avoid frequencies being used locally by other services.... being used to trans; /archives//html/RFI/2004-01/msg00018.html (7,551 bytes)
8. Re: [RFI] interesting new device (score: 1): Author: k1ttt@arrl.net; Date: Thu, 5 Feb 2004 13:31:02 -0500 (EST); there are already other programmable radio chips like this that cover some or all of the same bands... making the radios itself doesn't mean they can be used, different countries have different alloc; /archives//html/RFI/2004-02/msg00012.html (10,838 bytes)
9. RE: [RFI] My power line noise problems, revisited (Warning, thisislong!) (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Fri, 6 Feb 2004 01:13:00 -0000; If they had old porcelain insulators and wire and just changed the line voltage without replacing them both they that is most likely the biggest cause of your problem. Some engineer planning the upgr; /archives//html/RFI/2004-02/msg00014.html (18,867 bytes)
10. RE: [RFI] Sure we have RFI on the Shore (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Fri, 6 Feb 2004 15:17:23 -0000; intercede place guess of course to get bpl to work well they may have to eliminate those noise sources anyway... then all you would have to do is fight the bpl stuff instead of the power line noise!; /archives//html/RFI/2004-02/msg00031.html (7,142 bytes)
11. RE: [RFI] Power Line Noise in Indonesia (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Mon, 19 Jul 2004 12:43:08 -0000; You could try pointing out to the power company that you are detecting insulators that are in the process of failing. They should be interested in finding and replacing insulators that may cause them; /archives//html/RFI/2004-07/msg00076.html (11,143 bytes)
12. RE: [RFI] Amateur transceiver must accept interference? (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Fri, 23 Jul 2004 16:24:54 -0000; Sounds like someone put on the wrong sticker to me. David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://www.k1ttt.net AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net On _______________; /archives//html/RFI/2004-07/msg00175.html (8,320 bytes)
13. [RFI] turnabout is fair play?? (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Fri, 13 Aug 2004 15:05:13 -0000; David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://www.k1ttt.net AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net _______________________________________________ RFI mailing list RFI@c; /archives//html/RFI/2004-08/msg00005.html (6,622 bytes)
14. Re: [RFI] RF shielding using aluminum foil tape-Fabricating Aluminum Foil Enclosures (score: 1): Author: k1ttt@arrl.net; Date: Thu, 13 Jan 2005 07:38:42 -0500 (EST); you might want to look at some existing solutions and see why they don't all use multiple vaccuum relays and separate shielded enclosures and all that stuff. that being said, aluminum tape is probabl; /archives//html/RFI/2005-01/msg00026.html (11,427 bytes)
15. RE: [RFI] Pulsing RFI? (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Wed, 26 Jan 2005 23:05:59 -0000; You may want to look at this site that ve3hls has: <quote> The RF Noise Identification Website (http://www.ve3hls.com) was updated tonight with the addition of 14 new noise files in MP3 format. <unqu; /archives//html/RFI/2005-01/msg00083.html (8,974 bytes)
16. Re: [RFI] A `Time Bomb' Sits Atop Utility Poles (score: 1): Author: "David Robbins" <k1ttt@arrl.net>; Date: Wed, 14 Sep 2005 16:10:20 -0000; They do on insulators. Where I used to work we tested insulators in accelerated aging environments, breakdown voltage, and mechanical stress. Most insulators are supposed to have an expansion materia; /archives//html/RFI/2005-09/msg00023.html (11,727 bytes)
17. Re: [RFI] A `Time Bomb' Sits Atop Utility Poles (score: 1): Author: "David Robbins" <k1ttt@arrl.net>; Date: Wed, 14 Sep 2005 16:43:55 -0000; I can't say about that, I don't know Chance designs personally and couldn't comment even if I did... though if they are indeed having a much higher failure rate than other similar designs it would su; /archives//html/RFI/2005-09/msg00025.html (10,969 bytes)
18. Re: [RFI] A `Time Bomb' Sits Atop Utility Poles (score: 1): Author: "David Robbins" <k1ttt@arrl.net>; Date: Wed, 14 Sep 2005 18:21:15 -0000; Yes, they can be both a noise problem and a safety problem. Though I can not say for sure that noise would be an indicator of imminent failure, some noisy insulators can go on for years and years wit; /archives//html/RFI/2005-09/msg00028.html (9,765 bytes)
19. Re: [RFI] Internet Cable interference (score: 1): Author: "David Robbins" <k1ttt@arrl.net>; Date: Tue, 27 Sep 2005 18:44:53 -0000; What is the source?? Bpl? Dsl? Cable? Satellite? Isdn? David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://www.k1ttt.net AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net _______________; /archives//html/RFI/2005-09/msg00060.html (8,548 bytes)
20. Re: [RFI] Electric company problem (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sat, 10 Dec 2005 20:24:58 -0000; If it is really strong enough, find someone who is getting tvi from it, or who has interference to commercial broadcast radio... get the station engineer on it to bring more pressure from the fcc. An; /archives//html/RFI/2005-12/msg00026.html (12,347 bytes)

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