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References: [ +from:w4dd09@gmail.com: 12 ]

Total 12 documents matching your query.

1. Re: [RFI] Update: Tesla's Response to Solar Panel RFI (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Thu, 19 Dec 2019 09:53:40 -0500
If EU's standards are the model for what we would like, should they be posted on web sites (like ARRL and our won) and be stated as "good engineering practice"? I have found in the past vendors will
/archives//html/RFI/2019-12/msg00185.html (13,684 bytes)

2. Re: [RFI] Mobile Noise in Toyota(s) (score: 1)
Author: "Jeff (W4DD)" <w4dd09@gmail.com>
Date: Wed, 16 Sep 2020 16:00:25 -0400
I have a 2008 Toyota Tacoma and had S-9 noise when running mobile. I was able to reduce it greatly by grounding the tail pipe at the exhaust exit to the truck frame with a 1 inch strap and stainless
/archives//html/RFI/2020-09/msg00045.html (9,532 bytes)

3. Re: [RFI] Anyone Tested These LED Light Bars for RFI? (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Mon, 12 Oct 2020 09:39:46 -0400
Just to add to Scotts observation, I just finished working with my neighbor on a RFI problem caused by LED light strings. His house is about 200 ft away from mine. I had two types of noise, one that
/archives//html/RFI/2020-10/msg00055.html (11,401 bytes)

4. [RFI] Hyperikon LED Tube Info (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Tue, 10 Nov 2020 09:32:25 -0500
Based on the recommendations from members of the reflector, I ordered Hyperikon 4Ft and 2Ft LED tubes to replace my fluorescent tubes. I thought I would pass on my results. My main reasons for replac
/archives//html/RFI/2020-11/msg00012.html (10,182 bytes)

5. Re: [RFI] Hyperikon LED Tube Info (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Tue, 10 Nov 2020 14:32:04 -0500
Thanks for the clarification Jim. I think the RF energy is present in both. Depending on the turn on time of the device, that will generate noise across a wide BW, similar to what a lightning pulse d
/archives//html/RFI/2020-11/msg00014.html (8,884 bytes)

6. Re: [RFI] Mystery noise (score: 1)
Author: "Jeff (W4DD)" <w4dd09@gmail.com>
Date: Wed, 11 Aug 2021 11:52:09 -0400
Sounds like my Carrier A/C outdoor unit. Small spike every 19khz. _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2021-08/msg00029.html (7,500 bytes)

7. Re: [RFI] Repeater Desense from Tower Light? Or what is it?? (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Thu, 26 May 2022 09:53:57 -0400
Hello Mike, Yes, I had a similar problem. I have a monopole cell tower about a quarter mile to my SE. It has been there for 20 years and produced no RFI. About a year and a half ago, it started to pr
/archives//html/RFI/2022-05/msg00061.html (9,639 bytes)

8. Re: [RFI] . Re: CARRIER ON 40-METERS (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Wed, 1 Feb 2023 11:11:13 -0500
Good News, thanks Rich Crossing Don's vector and Alan's vector, perhaps the Pueblo area of SE Colorado. If will be interesting to see what the issue was. If you hear anything, please let us know. Jef
/archives//html/RFI/2023-02/msg00013.html (15,167 bytes)

9. Re: [RFI] 10 Meter OTH Radar(?) (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Mon, 6 Mar 2023 10:44:15 -0500
My observation from North GA Centered about 28.600 and 100KHz wide. At one point it was 500KHz wide. It consisted of hundreds of individual carriers. Three seconds on at spacing of 850 Hz, one second
/archives//html/RFI/2023-03/msg00003.html (8,741 bytes)

10. Re: [RFI] 80 meters RFI at N9CJT tracked down to an AT&T line (probably VDSL) (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Mon, 11 Sep 2023 09:53:45 -0400
FYI, Tracked a VDSL problem a year or two ago which seemed confusing at the time (was actually 2 DSL sources). Figured it was DSL as it had a strong increase in strength at 3.750MHz (this is where th
/archives//html/RFI/2023-09/msg00023.html (10,057 bytes)

11. Re: [RFI] USB Cable Shield Resistance was: Re: [N1MM+] open question about RFI & USB (score: 1)
Author: "Jeff \(W4DD\)" <w4dd09@gmail.com>
Date: Tue, 16 Jan 2024 10:22:21 -0500
Pete, just another data point based on my experience with shielded Ethernet cables. Excerpt from one of my PPT's follows. I found the shield connections to be intermittent. Do Not Use Shielded Ethern
/archives//html/RFI/2024-01/msg00005.html (10,895 bytes)

12. Re: [RFI] USB Cable Shield Resistance was: Re: [N1MM+] open question about RFI & USB (score: 1)
Author: "Jeff (W4DD)" <w4dd09@gmail.com>
Date: Tue, 16 Jan 2024 12:04:07 -0500
No pin is needed. There is a metal shell around the RJ45. _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2024-01/msg00007.html (13,491 bytes)


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