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References: [ +from:wd8dsb@gmail.com: 271 ]

Total 271 documents matching your query.

261. Re: [RFI] 80 meters RFI at N9CJT tracked down to an AT&T line (probably VDSL) (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Thu, 5 Oct 2023 09:26:57 -0400
Here is followup & resolution regarding the RFI we tracked down about 3.5 weeks ago at the QTH of N9CJT that we suspected was DSL/VDSL as we had identified the RFI was coming from a box and associate
/archives//html/RFI/2023-10/msg00000.html (12,863 bytes)

262. Re: [RFI] 30M OTH Radar? (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Tue, 10 Oct 2023 23:24:08 -0400
Hi Pete, Looking at the RF spectrum that signal occupied a total of 20 KHz (10.135 to 10.155 MHz) with lines every 50 Hz within. It did indeed look like the typical OTH radar signal to me and a quick
/archives//html/RFI/2023-10/msg00007.html (7,926 bytes)

263. Re: [RFI] Filtering 220VAC (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Fri, 20 Oct 2023 07:23:50 -0400
Hi Jim, You said "The neutral is NOT run to a 240V outlet, only the two phase (hot) conductors and green" and I think there needs to be a little clarification, especially for those that might be deal
/archives//html/RFI/2023-10/msg00017.html (8,837 bytes)

264. [RFI] RFI from LED light fixture in garage 0.14 miles away from my house. (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Thu, 2 Nov 2023 12:07:10 -0400
I had a very interesting case involving RFI on 160 and 80 meters and actually a little bit on 40 meters at my QTH which I was able to resolve yesterday. For those interested here is a link to a youtu
/archives//html/RFI/2023-11/msg00000.html (9,226 bytes)

265. Re: [RFI] FW: 65-foot cell tower in Chandler golf community can't be sto (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Mon, 6 Nov 2023 19:42:55 -0500
Hi Mike, I was trying not to comment because I'm not sure this topic (thread) is RFI related. Nevertheless I did read the document you provided a link to and I did a text search on that document and
/archives//html/RFI/2023-11/msg00031.html (13,654 bytes)

266. [RFI] Constant carrier on 7025 (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Fri, 10 Nov 2023 15:08:48 -0500
Just noticed around 3pm EST a strong (S9) constant carrier on 7.025 MHz that appears to be skywave. A very crude quick check with portable flag indicates its heading is approximately 130 degrees from
/archives//html/RFI/2023-11/msg00060.html (7,528 bytes)

267. Re: [RFI] Constant carrier on 7025 (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Fri, 10 Nov 2023 16:21:50 -0500
Hi Dave, I just looked at that signal using an SDR receiver set to an RBW of 9.2 Hz and I dont see much but possibly 120 Hz sidebands but they are at least 50 dB down from the main carrier. Don wd8ds
/archives//html/RFI/2023-11/msg00069.html (13,251 bytes)

268. Re: [RFI] Constant carrier on 7025 (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Fri, 10 Nov 2023 16:38:31 -0500
Hi Dave, I just turned automatic frequency control on my SDR receiver to track the change and have not observed a movement of more than 3 Hz in over a couple minutes time but some of that could be on
/archives//html/RFI/2023-11/msg00073.html (15,066 bytes)

269. Re: [RFI] Constant carrier on 7025 (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Fri, 10 Nov 2023 22:44:19 -0500
Just FYI, Don wd8dsb _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2023-11/msg00080.html (10,593 bytes)

270. Re: [RFI] From: [irca] Strange RFI (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Tue, 14 Nov 2023 20:22:49 -0500
Hi Mark, Great advice from others on here and I was not going to respond to your post but I finally broke down, so here goes. About 10 years ago I experienced RFI from a VFD (variable frequency drive
/archives//html/RFI/2023-11/msg00095.html (10,076 bytes)

271. [RFI] RFI at N9TTK tracked down to an Electric Fence (by WD8DSB) (score: 1)
Author: Don Kirk <wd8dsb@gmail.com>
Date: Mon, 1 Apr 2024 16:20:36 -0400
This past Friday I tracked down some RFI that has plagued Justin (N9TTK) for a long time. The RFI was the typical every 1 second (approximately) tick tick tick sound of an electric fence and it's pre
/archives//html/RFI/2024-04/msg00005.html (8,859 bytes)


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