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61. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Wed, 24 Mar 2021 01:30:24 +0000
I have access to the article. I am looking at it now. I think I have the variable cap in my junk box. Thanks and 73, Gary "Joe" kk0sd See September 1995 QST for an article I wrote on a very simple wa
/archives//html/RFI/2021-03/msg00103.html (39,032 bytes)

62. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Wed, 24 Mar 2021 03:35:39 +0000
Thanks! Although I built the first loops as fixed receiving antennas, I've since built a couple smaller ones for RFI tracking. Note that the series resistor is just to increase bandwidth for phased a
/archives//html/RFI/2021-03/msg00105.html (42,083 bytes)

63. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Wed, 24 Mar 2021 12:01:35 +0000
Thank you Ed! Good information! 73, Gary Joe kk0sd There are a few things to remember about using a small loop for DFing on HF. For "point sources," such as a device in a home being heard from the st
/archives//html/RFI/2021-03/msg00107.html (43,598 bytes)

64. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Thu, 25 Mar 2021 02:48:34 +0000
Very neat to learn I will keep everyone posted. 73, Joe kk0sd Hi Gary, Thanks for the update, and I also went crazy today and ran more tests using my version of your un-tuned shielded loop. I always
/archives//html/RFI/2021-03/msg00114.html (31,351 bytes)

65. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Thu, 25 Mar 2021 02:49:21 +0000
Point taken Jim, Thanks and 73, Joe kk0sd There is a LOT of great advice in this post, but I'll zero in on this one, on the basis of my professional background in psychoacoustics (the science of how
/archives//html/RFI/2021-03/msg00115.html (12,041 bytes)

66. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Thu, 25 Mar 2021 02:49:57 +0000
Thanks Don! 73, Joe kk0sd --Original Message-- From: RFI <rfi-bounces+gary_mayfield=hotmail.com@contesting.com> On Behalf Of Don Kirk Sent: Wednesday, March 24, 2021 2:21 PM To: jim@audiosystemsgroup
/archives//html/RFI/2021-03/msg00116.html (13,888 bytes)

67. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Thu, 25 Mar 2021 02:56:26 +0000
Thank you Dave! I stumbled across the same circuit here: http://www.mtmscientific.com/preamp.pdf It is one of the things I will do this weekend. Luckily I have the parts on hand and will put it on a
/archives//html/RFI/2021-03/msg00117.html (38,286 bytes)

68. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Thu, 25 Mar 2021 12:16:25 +0000
Thanks Don! Very good to know. The preamp/attenuator combo sounds like a good idea! 73, Joe kk0sd Hi Gary, You might also consider the DX Engineering preamp which offers about 10 dB more gain than th
/archives//html/RFI/2021-03/msg00120.html (39,772 bytes)

69. Re: [RFI] New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Sat, 27 Mar 2021 02:29:23 +0000
Don, Thanks for the update. It sounds like I have the right loop for the job as even my main rig and antenna hear nothing down on the AM band (other than many AM broadcast signals), and my interferen
/archives//html/RFI/2021-03/msg00123.html (13,742 bytes)

70. [RFI] Update -- New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Sat, 27 Mar 2021 11:45:59 +0000
Greetings RFI Friends, Apparently we got more rain last night than we have in a while. In the past snow or rain has not affected my noise issue. This morning my noise is at least temporarily gone. I
/archives//html/RFI/2021-03/msg00124.html (6,682 bytes)

71. Re: [RFI] Update -- New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Sat, 27 Mar 2021 16:07:59 +0000
Indeed, and that helps! We will see if it returns. Thanks and 73, Joe kk0sd You now know that the source is probably outdoors. 73, Scott K9MA -- Scott Ellington -- via iPad __________________________
/archives//html/RFI/2021-03/msg00126.html (8,591 bytes)

72. Re: [RFI] Update -- New Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Sat, 27 Mar 2021 22:17:16 +0000
Yep, it's in there. 73, Joe kk0sd Put that in your RFI log... :) 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL Asst. Director, NW Divisi
/archives//html/RFI/2021-03/msg00131.html (9,799 bytes)

73. [RFI] New Update -- Interference at kk0sd (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Sat, 27 Mar 2021 22:56:21 +0000
By South Dakota standards last night was dead calm . I suspect the difference is the last time we had precipitation everything was frozen, and it has thawed now.. The noise did come back this afterno
/archives//html/RFI/2021-03/msg00132.html (9,683 bytes)

74. Re: [RFI] Flag Pennant loop - Tiny SA use (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Tue, 13 Apr 2021 02:29:59 +0000
I am using the Flag as brewed by a friends of mine (N0DL and KE0EPY). I am using it with a Yaesu FT-818 and the DXE preamp. It has proven to be a great asset in my current issue. The DXE preamp is a
/archives//html/RFI/2021-04/msg00129.html (15,904 bytes)

75. Re: [RFI] SOLAR INSTALLATION PROS/CONS (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Mon, 24 May 2021 13:42:39 +0000
Some of you guys must live in great places with lots of contractors looking for work. We tried to add an RFI clause to our furnace/AC install. No one would even give us a bid until we removed the req
/archives//html/RFI/2021-05/msg00062.html (10,693 bytes)

76. Re: [RFI] LED lighting fixtures - (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Mon, 24 May 2021 13:48:32 +0000
Hank, I have had nary a problem replacing mine with L.E.D. tubes that work from 120 Volts. I have been using tubes from 'batteries plus bulbs'. You do have to remove/bypass the ballast. I have no int
/archives//html/RFI/2021-05/msg00063.html (8,194 bytes)

77. Re: [RFI] LED lighting fixtures - (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Mon, 24 May 2021 14:59:24 +0000
Don, I will be the first to admit I may have gotten lucky with my LED tube purchase. I have not done an intensive study, but the little AM radio parked under the tubes works fine, and I did not notic
/archives//html/RFI/2021-05/msg00065.html (11,188 bytes)

78. Re: [RFI] Furnace RFI - Lennox - Resolved (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Wed, 10 Nov 2021 23:48:30 +0000
Good Job Alan! Thanks for the update. 73, Joe kk0sd I just had a successful outcome with RFI from a new Lennox furnace we installed 3 weeks ago. It is a Lennox SLP99UHV gas furnace. When running, it
/archives//html/RFI/2021-11/msg00016.html (10,155 bytes)

79. Re: [RFI] RF vs GFI (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Thu, 11 Nov 2021 15:13:21 +0000
Not off topic at all. The first step most guys try it to replace the GFI. There are a couple of recommendations found here: http://www.arrl.org/gfci-and-afci-devices 73 and Good Luck, Joe kk0sd This
/archives//html/RFI/2021-11/msg00020.html (7,837 bytes)

80. Re: [RFI] LED ceiling lights (score: 1)
Author: Gary <gary_mayfield@hotmail.com>
Date: Thu, 22 Dec 2022 01:46:37 +0000
Although no longer available where I got them, I have a dozen of these lights from Solla installed in my basement including the radio room. I was unable to hear any additional noise after the install
/archives//html/RFI/2022-12/msg00087.html (8,191 bytes)

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