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References: [ +from:kmarch@ix.netcom.com: 17 ]

Total 17 documents matching your query.

1. [RFI] Question (score: 1)
Author: kmarch@ix.netcom.com (kate)
Date: Wed, 24 Oct 2001 13:18:04 -0700
Can anyone suggest what might be the type of system that makes the following noise? The noise is centered on the 160M band and consists of series of tones, spaced up and down the band. Each tone is o
/archives//html/RFI/2001-10/msg00010.html (7,420 bytes)

2. [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)

3. [RFI] Ignition Noise (score: 1)
Author: kmarch@ix.netcom.com (kate)
Date: Thu, 30 Aug 2001 21:08:25 -0700
Recently I tried shielding my ignition cables in a Toyota 4 cylndr car to suppress mobile ignition noise. The cables were new. While the shielding helped significantly in reducing the noise radiation
/archives//html/RFI/2001-08/msg00009.html (6,636 bytes)

4. [RFI] 7 kHz birdies in 160M band (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Tue, 21 Nov 2000 19:42:50 -0800
A switching power supply could be the cause and it could be ina any number of devices. Computer monitors are one example. -- Click here for Free Video!! http://www.gohip.com/free_video/ -- FAQ on WWW
/archives//html/RFI/2000-11/msg00026.html (8,615 bytes)

5. [RFI] Noise Search (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Sun, 8 Oct 2000 15:05:29 -0700
One of the noises that I am going to search and destroy has a particular characteristic. I wonder if anyone has an idea of what it could be. The noise is a series of modulated (garbage) about 3 or 4
/archives//html/RFI/2000-10/msg00004.html (7,173 bytes)

6. [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)

7. [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)

8. [RFI] Brute Force Line Filters (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Wed, 20 Sep 2000 20:10:24 -0700
Does anyone know where I can buy some line filters that I can install at neighbors homes that are radiating noise through the power lines? Tnx, Bob -- -- FAQ on WWW: http://www.contesting.com/FAQ/rfi
/archives//html/RFI/2000-09/msg00012.html (6,710 bytes)

9. [RFI] Line filter (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Thu, 28 Sep 2000 17:24:13 -0700
I am trying to quite down the slowly intrusive noise environment in my rural neighborhood. Some of my neighbors have purchased lamps which generate lots of RF (Cheep, COSTO, Taiwan...). Initially I a
/archives//html/RFI/2000-09/msg00013.html (8,223 bytes)

10. [RFI] 1.7 mhz noise (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Thu, 2 Dec 1999 19:29:20 -0800
I have the same problems here. Can someone relate how to control the noise in an SCR device by modifying the device. Often neighbors don't want to get rid of the culprits. Is there a good fix, like p
/archives//html/RFI/1999-12/msg00017.html (8,089 bytes)

11. [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)

12. [RFI] Noise DR (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Thu, 18 Nov 1999 12:37:21 -0800
This is a multi-part message in MIME format. --=_NextPart_000_003E_01BF31C1.A8C20540 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I've reached the point
/archives//html/RFI/1999-11/msg00014.html (9,186 bytes)

13. [RFI] RFI, XMAS Lights (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Fri, 9 Oct 1998 15:29:34 -0700
This is a multi-part message in MIME format. --=_NextPart_000_0015_01BDF399.9E8E1760 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I have a neighbor has h
/archives//html/RFI/1998-10/msg00008.html (7,827 bytes)

14. [RFI] Wall "transformers" (score: 1)
Author: kmarch" <kmarch@ix.netcom.com (kmarch)
Date: Sun, 11 Jan 1998 11:34:08 -0800
This is a multi-part message in MIME format. --=_NextPart_000_000E_01BD1E84.D4AF0C40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Some really strong broa
/archives//html/RFI/1998-01/msg00019.html (9,251 bytes)

15. [RFI] Motion Light (score: 1)
Author: "K March" <kmarch@ix.netcom.com>
Date: Sun, 19 Dec 2004 12:21:02 -0800
My neighbor has a motion sensor light that produces very heavy QRN across 160 and 80 meters. Does anyone know of a motion detector light on the market that is not as offensive as others? Ha sanyone f
/archives//html/RFI/2004-12/msg00017.html (6,246 bytes)

16. [RFI] Motion Light (score: 1)
Author: "K March" <kmarch@ix.netcom.com>
Date: Sun, 19 Dec 2004 13:30:05 -0800
Can anyone recommend a motion sensor outdoor light that does not casue rfi to radios" My neighbor's light makes very strong QRN on 160 and 80. Thanks, Bob, N7UA ______________________________________
/archives//html/RFI/2004-12/msg00018.html (6,210 bytes)

17. [RFI] Re: triac circuits (score: 1)
Author: "K March" <kmarch@ix.netcom.com>
Date: Mon, 27 Dec 2004 09:13:08 -0800
Jon, Thanks for the constructive answer. That helps. Do you remember if you put the beads on the load side of the triac, the input side or both? Both is probably the best bet. Were they windings on a
/archives//html/RFI/2004-12/msg00028.html (7,207 bytes)


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