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1. [RFI] RFI Identification Website (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Sat, 19 Mar 2005 23:22:46 +0000
Here's a website forwarded to me by a friend. Visit it and click on a noise type and then on a specific file. It will let you hear the noise that the various sources make. Don, K4KYV http://ve3hls.tr
/archives//html/RFI/2005-03/msg00032.html (6,547 bytes)

2. Re: [RFI] apc ups (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Mon, 11 Apr 2005 22:37:48 +0000
Mine generates a lot of rubbish up around 2400 kHz, above 160 and just below WWV. Sounds like a buzzsaw. Doesn't seem to get into any of the ham bands. Don K4KYV ____________________________________
/archives//html/RFI/2005-04/msg00007.html (6,864 bytes)

3. Re: [RFI] Part 15 Class B labeling requirements (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Sat, 16 Apr 2005 21:12:54 +0000
I have noticed the same with touch switches and touch lamps. I checked out the ones for sale in our local Lowe's and not a single one carried the Part 15 label. _____________________________________
/archives//html/RFI/2005-04/msg00017.html (7,551 bytes)

4. [RFI] BPL Propaganda, ARRL Rebuttal on NPR's Morning Edition (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Wed, 17 Aug 2005 21:05:22 +0000
Click on the link, or copy and paste into your browser, to listen to the story via streaming audio. They finish the story with a short rebuttal by ARRL's Ed Hare. http://www.npr.org/templates/story/s
/archives//html/RFI/2005-08/msg00055.html (8,314 bytes)

5. Re: [RFI] BPL Propaganda, ARRL Rebuttal on NPR's Morning Edition (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Thu, 18 Aug 2005 19:58:23 +0000
It can also be pointed out that BPL and other digital rubbish such as IBOC and DRM could effectively jam interception of unwelcomed news, information and political opinion, much more effectively than
/archives//html/RFI/2005-08/msg00068.html (9,546 bytes)

6. Re: [RFI] BPL Propaganda, ARRL Rebuttal on NPR's Morning Edition (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Thu, 18 Aug 2005 20:13:23 +0000
A few months ago there was a story circulating of the development of a non-polluting BPL system that uses microwave frequencies instead of HF/VHF. It used the power lines to act as sort of a wave gu
/archives//html/RFI/2005-08/msg00069.html (10,589 bytes)

7. Re: [RFI] BPL Propaganda, ARRL Rebuttal on NPR's Morning Edition (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Thu, 18 Aug 2005 20:28:28 +0000
It's accessible from the archives of ME, starting at 1 minute 11 seconds into the cut. http://www.npr.org/templates/story/story.php?storyId=4804900 Don K4KYV ________________________________________
/archives//html/RFI/2005-08/msg00071.html (9,479 bytes)

8. Re: [RFI] Internet Cable interference (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Wed, 28 Sep 2005 01:05:03 +0000
I have it here, starting on 80m and all the way through 10m. It gets stronger the higher I go in frequency, and covers the whole hf spectrum. Turning off the cable modem kills it entirely. Don K4KYV
/archives//html/RFI/2005-09/msg00063.html (7,625 bytes)

9. Re: [RFI] Can Fluorescent bulbs cause RFI problems? (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Thu, 29 Sep 2005 02:04:43 +0000
I replaced an incandescent one with a srew-in compact fluorescent lamp in the shack a couple of years ago. It stayed in place about 30 min. before I pulled it out and put back in a regular bulb. Pret
/archives//html/RFI/2005-09/msg00065.html (8,389 bytes)

10. Re: [RFI] Touch Lamp and 2m (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Mon, 26 Dec 2005 03:47:09 +0000
Either throw the touch lamp in the trash, or rip out the touch circuitry and replace it with a mechanical switch. Those thing generate an incredible amount of garbage throughout the HF spectrum. I w
/archives//html/RFI/2005-12/msg00073.html (6,914 bytes)

11. Re: [RFI] RFI Direction Finding (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Sat, 18 Feb 2006 22:00:30 +0000
I bought a $30 Radio Shack VHF aircraft radio receiver for the purpose. It is AM, not FM, and works very well. I can track noise down to the exact pole. But the problem I have is travelling along th
/archives//html/RFI/2006-02/msg00014.html (8,671 bytes)

12. Re: [RFI] Fw: cell phone interference on airplanes (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Sat, 04 Mar 2006 03:50:38 +0000
The hostages crashed the plane into the ground? The theory I have heard is that the suicide hijackers crashed the plane once they realised their original mission wouldn't succeed. I understand that,
/archives//html/RFI/2006-03/msg00021.html (9,038 bytes)

13. Re: [RFI] F-240 Ferrite Core source? (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Mon, 13 Mar 2006 03:27:33 +0000
You guys still have TV repair shops up there? I haven't seen one of those in years. Nowadays everybody just assumes a TV set is a throw-away item. When TV's quit using tubes, most of the repair shop
/archives//html/RFI/2006-03/msg00042.html (7,871 bytes)

14. Re: [RFI] UPS interference/Recommendation Request (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Fri, 28 Apr 2006 21:58:51 +0000
Mine is an APC unit. It generates a broad buzzsaw-sounding signal just below the 2.5 mHz WWV, but doesn't bother 160 or 75, or even WWV. On the other hand, my cable modem trashes the entire HF spectr
/archives//html/RFI/2006-04/msg00026.html (7,596 bytes)

15. Re: [RFI] Towers/Antennas Near 138kV Transmission Lines (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Tue, 15 Aug 2006 19:17:41 +0000
The problem is that would eliminate just about this entire region. I don't think there is a spot in this county that isn't within 5 miles of one of those lines. I have one on the back side of the pr
/archives//html/RFI/2006-08/msg00056.html (9,963 bytes)

16. Re: [RFI] Haolgens AND . . . (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Tue, 21 Nov 2006 20:07:02 +0000
I have experienced the same thing with conventional incandescent pilot lamps. Running them on DC seems to lead to a very short life. Someone once explained the reason, but I forget why. It is some k
/archives//html/RFI/2006-11/msg00076.html (8,656 bytes)

17. Re: [RFI] Humming "Telephone" Poles (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Sun, 24 Dec 2006 00:10:14 +0000
I think you are hearing the wires vibrating in a gentle breeze, somewhat like a violin string. I have noticed the same thing with telephone and electric power poles too. But I also notice it with my
/archives//html/RFI/2006-12/msg00067.html (8,588 bytes)

18. [RFI] All band handheld receivers (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Sun, 11 Feb 2007 23:54:26 +0000
Has anyone tried one of the miniature handheld receivers, like the Yaesu VR-500 or Icom IC-R series? Seems like it would be a good receiver for casual listening and rf noise sniffing purposes. Lookin
/archives//html/RFI/2007-02/msg00026.html (8,166 bytes)

19. [RFI] LED traffic signals (score: 1)
Author: Donald Chester <k4kyv@hotmail.com>
Date: Fri, 14 Dec 2007 20:43:08 +0000
I live in the country with no traffic lights nearby, so this isn't a problem with me, but I keep hearing about RFI generated by the new l.e.d. traffic signals. Apparently, the noise is due to a switc
/archives//html/RFI/2007-12/msg00027.html (8,481 bytes)

20. Re: [RFI] You think YOU have RFI problems? (score: 1)
Author: Donald Chester <k4kyv@hotmail.com>
Date: Thu, 1 Jan 2009 20:22:43 +0000
Here is another article on the topic. http://www.wired.com/wired/archive/12.02/quiet.html Check out this discussion thread on the topic: http://amfone.net/Amforum/index.php/topic,18094.msg125884.html
/archives//html/RFI/2009-01/msg00004.html (7,638 bytes)


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