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References: [ +from:karinann@tampabay.rr.com: 34 ]

Total 34 documents matching your query.

1. [RFI] Signal or Noise on 14.200 (score: 1)
Author: "Karin Anne Johnson" <karinann@tampabay.rr.com>
Date: Wed, 19 Oct 2011 17:44:36 -0400
Hello All: I've been experiencing a strange signal/noise centered at 14.200 MHz. I am located in Palm Harbor, Florida near Tampa. I have used the WebSDR of W4AX who is located up near Atlanta, GA and
/archives//html/RFI/2011-10/msg00008.html (7,396 bytes)

2. [RFI] Signal on 14.200 (score: 1)
Author: "Karin Anne Johnson" <karinann@tampabay.rr.com>
Date: Thu, 20 Oct 2011 17:11:37 -0400
Hello All: I haven't looked at this signal in AM mode. I should have. It's 9:15 PM Wednesday Eastern time here now and the signal is gone at this time. I haven't had the free time to actually documen
/archives//html/RFI/2011-10/msg00019.html (7,589 bytes)

3. [RFI] 10 Meter Mystery Signals (score: 1)
Author: "Karin Anne Johnson" <karinann@tampabay.rr.com>
Date: Sat, 22 Feb 2014 12:39:01 -0500
Hello Group: This is not so much an RFI issue, but more of a curiosity question. I've noticed for quite some time now that there appears to be what I would call sweeper signals that are quite strong
/archives//html/RFI/2014-02/msg00128.html (8,149 bytes)

4. Re: [RFI] RFI in the HF spectrum from variable speed Mitsubishi HVAC systems (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Sun, 22 Jun 2014 12:34:49 -0400
Just to chime in on some of the issues regarding variable speed motors used in home air conditioning systems. I have some personal experience with quieting a new installation of an 18 SEER split syst
/archives//html/RFI/2014-06/msg00132.html (11,548 bytes)

5. Re: [RFI] RFI in the HF spectrum from variable speed Mitsubishi HVAC systems (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Sun, 22 Jun 2014 14:50:27 -0400
Jim is correct on all counts. The AC line filter was a very high end Corcom. I don't remember the part number right now. It was installed inside the mechanical metal enclosure of the inside blower ho
/archives//html/RFI/2014-06/msg00134.html (8,456 bytes)

6. [RFI] Cable Modem (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Fri, 13 Nov 2015 16:23:54 -0500
Hello All: I've recently debugged an RFI problem I was having with a cable modem. I reluctantly did not write down the model number but it was made by Arris. It was of the type that includes battery
/archives//html/RFI/2015-11/msg00017.html (8,648 bytes)

7. [RFI] Compass Vectors (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Mon, 30 Nov 2015 20:16:28 -0500
I'm planning on doing some RFI hunting and wanted to know if anyone knows how to plot compass vectors on Google Maps? I need to plot intersecting vectors from a direction finding loop to find the sou
/archives//html/RFI/2015-11/msg00026.html (6,910 bytes)

8. [RFI] Laser Christmas Lights (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Fri, 11 Dec 2015 17:43:36 -0500
Does anyone on the list have an audio recording of what the Laser Christmas Lights sound like? I have two suspicious pulsed type broadband interference signals on 40 Meters. One is about 40 kHz wide
/archives//html/RFI/2015-12/msg00068.html (8,682 bytes)

9. [RFI] 40 Meter OTH Radar? (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Sun, 13 Dec 2015 21:41:53 -0500
I'm trying to track down several sources of RFI at my location. I'd like to indulge the multitude, if they have heard what appears to be a pulsed buzz sounding signal in AM mode on the bottom end of
/archives//html/RFI/2015-12/msg00069.html (7,187 bytes)

10. [RFI] 40 Meter Noise Source Found (sort of) (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Wed, 23 Dec 2015 11:14:26 -0500
About a month or so ago I noticed an increase in the noise floor on 40 meters that was of a cycling type nature. The noise was on for 45 seconds and then off for 45 seconds. It increased the noise fl
/archives//html/RFI/2015-12/msg00085.html (11,534 bytes)

11. [RFI] 40M OTH Radar? (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Thu, 31 Dec 2015 19:32:08 -0500
I'm soliciting any signal reports about a signal that looks like it might be some type of Radar. Although in AM mode this signal has a strong 60Hz line component. It appears around sunset here in Flo
/archives//html/RFI/2015-12/msg00095.html (6,831 bytes)

12. [RFI] 40 Meter Intruder (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Wed, 8 Jun 2016 19:15:37 -0400
Not so much a local RFI problem, but hearing a very squirrely signal on roughly 7162 to 7165 kHz every evening. Earliest I have heard it is 2200 UTC usually goes off air at 0000 UTC each evening. It
/archives//html/RFI/2016-06/msg00046.html (6,826 bytes)

13. [RFI] Opinions Please (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Mon, 1 May 2017 12:28:03 -0400
Hello Group: I have a request for opinions on the appropriate amount of time for an RFI issue to be resolved. I live in an HOA community, which has what might be called "decorative" street lighting.
/archives//html/RFI/2017-05/msg00000.html (8,013 bytes)

14. Re: [RFI] Noise location tools (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Fri, 19 Jan 2018 10:41:42 -0500
I have successfully found about a dozen street lamps which had failing sodium vapor lamps causing RFI. The spectrum of the RFI was primarily located between about 5 MHz to an upper limit of 8 MHz. un
/archives//html/RFI/2018-01/msg00044.html (8,856 bytes)

15. [RFI] Lists not showing (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Tue, 19 Jun 2018 19:40:12 -0400
I've sent an email to the contesting.com webmaster on this topic. For about the last week or so I've noticed that the group of lists for things like RFI, TowerTalk, etc Are not showing on the main co
/archives//html/RFI/2018-06/msg00064.html (6,547 bytes)

16. [RFI] Grow Lights (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Tue, 7 Jan 2020 13:25:30 -0500
Hello Group: I would be interested in emailing/speaking with anyone on the this list directly, who has had some personal experience with Grow Light RFI. Rather than take up bandwidth on this list. I
/archives//html/RFI/2020-01/msg00011.html (7,498 bytes)

17. [RFI] Grow lights (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Tue, 7 Jan 2020 14:11:15 -0500
Been there done that got the T shirt. Karin _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2020-01/msg00014.html (6,784 bytes)

18. [RFI] Grow Lights (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Tue, 7 Jan 2020 16:55:41 -0500
All: Thank you for the replies. First off I've done quite a bit of DF work regarding power line based intermittent street lights with a great deal of success. Fortunately the streetlight interference
/archives//html/RFI/2020-01/msg00025.html (11,207 bytes)

19. Re: [RFI] Grow Lights (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Tue, 7 Jan 2020 19:05:56 -0500
Mr. Jordan I absolutely agree with you, about knocking on doors. Dave Eckhardt, That is priceless, and probably the most accurately positive way to get the RFI issue resolved. Who wudda thunk?????? M
/archives//html/RFI/2020-01/msg00033.html (10,072 bytes)

20. [RFI] Rheem AC RFI (score: 1)
Author: "Karin Johnson" <karinann@tampabay.rr.com>
Date: Sat, 5 Sep 2020 13:25:20 -0400
Hello fellow RFI'ers: I just had a new AC system installed. Rheem model RP1748AJVCA. The noise floor on 40 meters just went up about 20 dB when the Unit is running in cooling mode. Turning it off via
/archives//html/RFI/2020-09/msg00021.html (9,400 bytes)

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