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1. [RFI] JPS ANC-4 (score: 1)
Author: (WX5L)
Date: Wed, 14 Aug 2002 18:49:32 -0500
My suggestion would be to go to JPS's web site at and contact their technical support for your questions. Give them your serial number which will help them determine the vintage. Good Luc
/archives//html/RFI/2002-08/msg00035.html (7,647 bytes)

2. Re: [RFI] Anyone heard of this type of noise? (score: 1)
Author: "WX5L" <>
Date: Mon, 17 Nov 2003 06:32:23 -0600
This is definitely emininating from his neighbors TV. It's the screaming horizonal "sweep" of the TV. Unfortunately this 15.75 khz is so rich in harmonic energy it can be heard in the HF band. In bad
/archives//html/RFI/2003-11/msg00037.html (8,242 bytes)

3. Re: [RFI] Anyone heard of this type of noise? (score: 1)
Author: WX5L <>
Date: Mon, 17 Nov 2003 11:35:38 -0500
Using the words definitely or positively are strong words expecially in the RFI field. On the other hand I feel strongly that the 15 khz spacing and stated bandwidth is a give away. If you listen clo
/archives//html/RFI/2003-11/msg00040.html (8,202 bytes)

4. [RFI] Unknown Signal (score: 1)
Author: "WX5L" <>
Date: Sun, 7 Dec 2003 08:11:00 -0600
Hello, An aquantance of mine in New Orleans asked me about an strange signal at 28.635.5. At first I thought just another case of RF junk in his neighborhood but as I tuned to that frequency I also h
/archives//html/RFI/2003-12/msg00001.html (6,473 bytes)

5. [RFI] RFI from Horizonal Sweep (score: 1)
Author: "WX5L" <>
Date: Tue, 6 Jan 2004 20:05:07 -0600
Hello, Has anyone had success eliminating the RFI caused by the 15.75 khz horizonal sweep from televisions. These signals are heard as rough-ac notes every 15.75 khz. These harmonic signals carry wel
/archives//html/RFI/2004-01/msg00010.html (6,929 bytes)

6. Re: [RFI] Can you identify this noise? (score: 1)
Author: "WX5L" <>
Date: Sun, 11 Jan 2004 15:22:47 -0600
With the noise present on 27.8 to 28.1 please check and varify you do not hear it on 20/15 or 17. Randy WX5L _______________________________________________ RFI mailing list http:/
/archives//html/RFI/2004-01/msg00036.html (8,333 bytes)

7. Re: [RFI] Can you identify this interference? (score: 1)
Author: "WX5L" <>
Date: Thu, 22 Jan 2004 18:20:55 -0600
Seems like your on to the source. If indeed the problem disappears when she unplugs it I would attempt to convince her it may be defective causing the radio trouble. You could ask her to return it fo
/archives//html/RFI/2004-01/msg00053.html (12,564 bytes)

8. Re: [RFI] source for AC line filters and ferrites? (score: 1)
Author: "WX5L" <>
Date: Wed, 28 Apr 2004 17:25:59 -0500
Try these 2 sites for ferrite supply. 73, Randy WX5L to better or...? _______________________________________________ RFI mailing list
/archives//html/RFI/2004-04/msg00107.html (7,382 bytes)

9. Re: RE: [RFI] BPL on NPR (score: 1)
Author: <>
Date: Thu, 27 May 2004 14:31:55 +0000
Unless your in a rural area with solar power capabilities or wind power several miles from exisiting distribution lines I'm afraid you'll be susceptable. Three years ago I had an opportunity to move
/archives//html/RFI/2004-05/msg00180.html (12,441 bytes)

10. Re: [RFI] need ideas on hunting down QRN-like noise source -.wav files (score: 1)
Author: "WX5L" <>
Date: Wed, 16 Jun 2004 22:16:27 -0500
WAV files sounds like normal summer time thounderstorms. My receiver sounds like that just about every summer day. Is the noise below the static crashes? 73, Randy -- Original Message -- From: "Dale
/archives//html/RFI/2004-06/msg00046.html (14,571 bytes)

11. Re: Re: [RFI] 160 Meter Interference (score: 1)
Author: <>
Date: Wed, 6 Oct 2004 14:48:12 +0000
Hello, Electrical arcing is broad and does not exhibit frequency gaps like in this case 90 khz. The noise sounds like it's from a free running oscillator in some sort of electrical componet. Kinda so
/archives//html/RFI/2004-10/msg00013.html (10,437 bytes)

12. Re: Re: [RFI] 160 Meter Interference (score: 1)
Author: <>
Date: Wed, 6 Oct 2004 15:36:26 +0000
I realize that his concern is 160 but I'm sure he if looked on 20 meters he would find those pesky carriers as well. I should have noted that in my message. Randy ____________________________________
/archives//html/RFI/2004-10/msg00016.html (8,402 bytes)

13. [RFI] Uknown Signal (score: 1)
Author: "WX5L" <>
Date: Thu, 28 Oct 2004 13:57:07 -0500
Hello, I'm trying to figure out what is causing a noise that is similar to high RPM ignition noise that has a strong peak appears at 13.882.50. From Louisiana it seems to peak at 120 degrees. You may
/archives//html/RFI/2004-10/msg00129.html (6,581 bytes)

14. [RFI] Follow-Up on Previous Message "Unknown Signal" (score: 1)
Author: "WX5L" <>
Date: Thu, 28 Oct 2004 15:13:49 -0500
As a follow-up if you do hear the signal can you also varify smaller weaker simular signals throughout the lower portion of the 20 meter band! Thanks, Randy Thibodaux, Louisiana ____
/archives//html/RFI/2004-10/msg00130.html (6,479 bytes)

15. Re: [RFI] Anyone know what this might be (score: 1)
Author: "WX5L" <>
Date: Sun, 23 Jan 2005 10:09:41 -0600
Noise like this can be from so many different consumer devices. It's just incredable how much RFI is out there with new technology. I would think a S-9 would be within a block or 2. Did you go out at
/archives//html/RFI/2005-01/msg00057.html (11,601 bytes)

16. Re: [RFI] Electric company problem (score: 1)
Author: "WX5L" <>
Date: Sun, 11 Dec 2005 08:52:48 -0600
In years past I have always greatly increased my success rate to resolve line noise by doing most of the dectective legwork. It seems if you make a complaint for the power company to come out and fir
/archives//html/RFI/2005-12/msg00045.html (10,023 bytes)

17. Re: [RFI] [dx-list] South Cook (score: 1)
Author: WX5L <>
Date: Tue, 21 Feb 2006 11:33:08 -0800
--You will probably find that the noise from the treadmill is caused by the revolving belt causing enormous static build up between the belt and the under carriage of the treadmill. Try getting some
/archives//html/RFI/2006-02/msg00019.html (8,126 bytes)

18. Re: [RFI] Fw: cell phone interference on airplanes (score: 1)
Author: "WX5L" <>
Date: Thu, 2 Mar 2006 19:05:14 -0600
Would someone in the know explain why technically the cell phones in the headrest(Verizon?) Airphones don't cause the same problems as customer owned cell phones. Why are they immune from causing RFI
/archives//html/RFI/2006-03/msg00008.html (8,372 bytes)

19. Re: [RFI] Very nasty noise (score: 1)
Author: "WX5L" <>
Date: Mon, 19 Mar 2007 09:43:49 -0500
The site you are looking for was previously but now has been moved to It truly is a wealth of RFI info with audio clips all all
/archives//html/RFI/2007-03/msg00018.html (8,569 bytes)

20. Re: [RFI] RF quiet wired routers (score: 1)
Author: "WX5L" <>
Date: Sat, 5 Jan 2008 00:19:26 -0600
Hello, Just purchased a Dell desktop with VISTA and found that my 4 year old Linksys has Vista issues. It will auto-negotiate at 10 mbs only. If I set it to 100 mbs it disconnects and only after I re
/archives//html/RFI/2008-01/msg00007.html (7,166 bytes)

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