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Total 25 documents matching your query.

1. [RFI] Noise (score: 1): Author: kmarch@ix.netcom.com (kate); Date: Fri, 26 Oct 2001 16:57:09 -0700; Has anyone ever detected noise at low frequencies (160M) due to cable company hardware?; /archives//html/RFI/2001-10/msg00029.html (6,379 bytes)
2. [RFI] Noise (score: 1): Author: WD8ARZ" <wd8arz@IX.NETCOM.COM (WD8ARZ); Date: Fri, 26 Oct 2001 20:06:05 -0400; It would be easier to say that switching power supplies, and digital circuitry can produce Rfi in a broad range of devices...... especially where wiring can help radiate the signal, filters are rarel; /archives//html/RFI/2001-10/msg00030.html (7,044 bytes)
3. [RFI] Noise (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 27 Oct 2001 01:45:43 -0400; I have just called in a severe case of cable radiation that seems to be related to the downlink band of my cable modem, which I *think* is 2-10 MHz. It clobbers 40m when things are "right", like when; /archives//html/RFI/2001-10/msg00031.html (6,921 bytes)
4. [RFI] Noise (score: 1): Author: w1rfi@arrl.org (Hare,Ed, W1RFI); Date: Wed, 31 Oct 2001 16:15:10 -0500; Pete, Can you send me a .wav file of the noise? I am still collecting RFI sounds and want to start a "Sounds of RFI" page as soon as my Tech Info webmaster gets back to work. (He is out for a few wee; /archives//html/RFI/2001-10/msg00036.html (7,907 bytes)
5. [RFI] NOise (score: 1): Author: kmarch" <kmarch@ix.netcom.com (kmarch); Date: Tue, 10 Oct 2000 18:29:42 -0700; The saga continues. Does anyone know of 75 mix ("J") or 77 material clamp on split ferrites for cable noise supression? I have a found one source of noise at a neighbor's house (there are still three; /archives//html/RFI/2000-10/msg00008.html (7,375 bytes)
6. [RFI] Noise (score: 1): Author: kmarch" <kmarch@ix.netcom.com (kmarch); Date: Mon, 16 Oct 2000 18:00:42 -0700; One of the noises I have tracked down is coming from a TV set of my neighbors. I will have to quiet the radiation from it on the 160M ham band. Anyone have any dood recommendations of how to keep the; /archives//html/RFI/2000-10/msg00013.html (7,255 bytes)
7. [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)
8. [RFI] Noise (score: 1): Author: kmarch" <kmarch@ix.netcom.com (kmarch); Date: Mon, 27 Dec 1999 11:09:29 -0800; Can someone tell me how to reduce or elimate noise caused by SCR controlled lamps? Tnx, Bob -- Submissions: rfi@contesting.com Administrative requests: rfi-REQUEST@contesting.com WWW: http://www.cont; /archives//html/RFI/1999-12/msg00052.html (6,812 bytes)
9. [RFI] Noise (score: 1): Author: EDWARDS, EDDIE J" <eedwards@oppd.com (EDWARDS, EDDIE J); Date: Mon, 27 Dec 1999 13:43:32 -0600; [Ed-K0iL] Those darned Touch Controlled lamps! Here's some info from the ARRL TS info server on these "Made in Taiwain" lamps. Check the RFI list archives at contesting.com for my personal story on; /archives//html/RFI/1999-12/msg00053.html (14,020 bytes)
10. [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)
11. [RFI] Noise (score: 1): Author: Tim Duffy <tduffy@sygnet.com> (Tim Duffy); Date: Wed, 27 Jan 1999 15:08:08 -0800; This is a multi-part message in MIME format. --E2B9A5D7ED9A3FA60FDC0B03 Content-Type: text/plain; charset=us-ascii Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-T; /archives//html/RFI/1999-01/msg00022.html (9,074 bytes)
12. [RFI] Noise (score: 1): Author: K3AIR@aol.com (K3AIR@aol.com); Date: Wed, 27 Jan 1999 23:02:24 EST; As we used to say in USAF Civil Engineering: "There is no engineering problem which cannot be solved by the suitable application of high explosives." :) :) Good luck, 73 Mike K3AIR -- Submissions: rf; /archives//html/RFI/1999-01/msg00023.html (7,639 bytes)
13. [RFI] NOISE (score: 1): Author: mike <mhoover@sunlink.net> (mike); Date: Fri, 01 May 1998 11:07:28 -0400; I was wondering if anyone in the group has any information pertaining to the noise my '95 Toyota T100 with a V6 makes on the 80 meter band. I do not believe the noise comes from the fuel pump as just; /archives//html/RFI/1998-05/msg00003.html (6,953 bytes)
14. [RFI] NOISE (score: 1): Author: Craig Clark <jcclark@prexar.com>; Date: Thu, 11 Sep 2003 12:08:59 -0400; 1. high noise level... (Paul Walsh) Thanks to everyone that has replyed to my first posting with help, I am not currently using a balun on the quad, so i will make one today = and see if this makes a; /archives//html/RFI/2003-09/msg00011.html (7,810 bytes)
15. Re: [RFI] Noise (score: 1): Author: doc <kd4e@verizon.net>; Date: Tue, 30 May 2006 22:33:23 -0500; I was advised to do whatever I have to to keep our vintage MayTag washer and dryer running. Not only for RFI-avoidance but also for quality. -- Thanks! & 73, doc kd4e http://bibleseven.com Florida H; /archives//html/RFI/2006-05/msg00051.html (7,635 bytes)
16. Re: [RFI] Noise (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Tue, 30 May 2006 21:21:19 -0700; I've had no RFI problems with my LG High Efficiency Washer/Dryer. It's quieter than my CRT television. _______________________________________________ RFI mailing list RFI@contesting.com http://lists; /archives//html/RFI/2006-05/msg00052.html (8,080 bytes)
17. [RFI] NOISE (score: 1): Author: Roger D Johnson <n1rj@adelphia.net>; Date: Mon, 07 May 2007 13:10:41 -0400; Just traced a source of obnoxious noise on the 15m band to the wife's new Roomba floor cleaning robot. The Roomba was docked in it's charging station. 73, Roger -- Remember the USS Liberty (AGTR-5) h; /archives//html/RFI/2007-05/msg00004.html (7,329 bytes)
18. Re: [RFI] NOISE (score: 1): Author: kd4e <kd4e@verizon.net>; Date: Mon, 07 May 2007 13:08:15 -0400; If you unplug the Roomba charger and activate the Roomba do you get the same noise? Or is the charger one source of noise and the Roomba another? -- Thanks! & 73, doc, KD4E Personal: http://bibleseve; /archives//html/RFI/2007-05/msg00005.html (7,456 bytes)
19. [RFI] Noise (score: 1): Author: "Yuri Onipko" <ve3dz@rac.ca>; Date: Tue, 24 Jul 2007 09:02:43 -0400; For quite some time I hear noise that bothers me big time. You may listen to it at http://www.rigexpert.net/noise1.wav The recordings was done on 18 MHz using FT1000D in USB mode with 2.0 kHz filter; /archives//html/RFI/2007-07/msg00024.html (7,611 bytes)
20. Re: [RFI] Noise (score: 1): Author: "Dave N0RQ" <n0rq-lists@sbcglobal.net>; Date: Tue, 24 Jul 2007 08:41:43 -0500; It sounds (to me) like typical power line noise. If it stops when wet (during/after rain, or when dew in the morning), it probably is power line noise. It would be interesting to hear with in AM mode; /archives//html/RFI/2007-07/msg00025.html (8,348 bytes)

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