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41. [RFI] Grow light and Terrorism threads are now closed (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Mon, 3 Jan 2011 15:50:43 -0600
Please keep your RFI reflector posts - on target to RFI related experiences and topics. Thanks and 73, Tim K3LR RFI Reflector Moderator _______________________________________________ RFI mailing lis
/archives//html/RFI/2011-01/msg00048.html (6,587 bytes)

42. [RFI] FW: Topband: Exciting noise sources (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 27 Mar 2011 11:37:48 -0500
Yesterday K0HGW and myself spent the day with a line crew from the Otero County Electric Cooperative trying to find two noise sources which have plagued them for several months and occasioned numerou
/archives//html/RFI/2011-03/msg00092.html (9,602 bytes)

43. [RFI] Posting Content (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 28 May 2011 22:31:21 -0500
As we get close to the end of the month, a friendly reminder is in order. This is currently a unmoderated reflector. Your posts should be related to RFI. Thanks and 73, Tim K3LR RFI Reflector Moderat
/archives//html/RFI/2011-05/msg00089.html (6,495 bytes)

44. Re: [RFI] BCB Intermodulation and HV transmission lines (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sat, 9 Jul 2011 21:20:24 -0500
Hello Ed: I have seen this exact issue before here at K3LR. 2F1 + F2 from local AM BC stations - the mix result was in the 80 meter band. I was also able to create my own 2F1 (the AM station) + K3LR
/archives//html/RFI/2011-07/msg00001.html (8,955 bytes)

45. Re: [RFI] RFI to and from adjacent cell site (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Fri, 2 Sep 2011 20:57:24 -0500
Hi Pat: I have built cell sites for more than 25 years. I have also operated on the 160 meters through 2 meters on these same cell site towers (so this would be a worst case scenario). I have good ex
/archives//html/RFI/2011-09/msg00002.html (9,614 bytes)

46. Re: [RFI] Frequency-Specific Interference (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 28 Feb 2012 12:44:47 -0600
Hello Scott: Posts to these reflectors in HTML will have line breaks. Send future posts in Plain Text - no line breaks will appear. 73, Tim K3LR RFI reflector originator/ moderator --Original Message
/archives//html/RFI/2012-02/msg00032.html (8,535 bytes)

47. Re: [RFI] RT-21 rotor controller RF problem (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 3 Jun 2012 18:27:13 -0500
Hello Jorge: I have 22 RT-21 controllers at my station. We have never had RFI problems - either to the RT-21 or RFI from it - with full 6 bands of multi transmitters in operation. You may have a prob
/archives//html/RFI/2012-06/msg00026.html (8,395 bytes)

48. Re: [RFI] 4khz spaced birdies (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 17 Jul 2012 22:14:26 -0500
Hello Hank: I have observed this same 4 KHz RFI interference coming from wall warts, computer power supplies and switching power supplies used for charging batteries, etc. They could be your own powe
/archives//html/RFI/2012-07/msg00051.html (8,880 bytes)

49. Re: [RFI] RFI & Alarm Systems? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Sun, 29 Jul 2012 22:50:36 -0500
The ADT wireless alarm system I have used is totally RFI free. No RFI created by the ADT system - nor any RF interference received by it - with near field RF (1.8 to 148 MHz). 22 wireless sensors (do
/archives//html/RFI/2012-07/msg00054.html (8,881 bytes)

50. Re: [RFI] RFI & Alarm Systems? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Mon, 30 Jul 2012 10:31:11 -0500
Hi Jim: Without pulling it apart - there is no way to identify the manufacture. ADT has done a great job of keeping customers out of the inner workings. 73, Tim K3LR Tim, Can you identify by model nu
/archives//html/RFI/2012-07/msg00060.html (8,931 bytes)

51. Re: [RFI] RFI & Alarm Systems? (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Mon, 30 Jul 2012 16:04:55 -0500
I have not searched for the frequency that ADT uses with a suitable spectrum analyzer. I would guess it is using one of the part 15 bands - however without measurements I do not know for sure. 73, Ti
/archives//html/RFI/2012-07/msg00062.html (10,947 bytes)

52. Re: [RFI] Noise changes when room lights turn on / off (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Thu, 13 Sep 2012 20:56:14 -0500
Hello Tony: Could your noise problem be related to a dusk to dawn light at your home or a street light? Or a neighbors outdoor light (only on when it is dark)? 73, Tim K3LR Jim... I setup the compute
/archives//html/RFI/2012-09/msg00066.html (11,230 bytes)

53. Re: [RFI] AM Radio Interference On 75 meters (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Tue, 18 Sep 2012 23:33:11 -0500
Before resolving (guessing) that any AM station is at fault here - or worse, getting the FCC involved, you need to make certain that the MIX is not occurring because of an off site rectification (MIX
/archives//html/RFI/2012-09/msg00127.html (12,073 bytes)

54. Re: [RFI] Telephones and DSL (score: 1)
Author: "Tim Duffy K3LR" <k3lr@k3lr.com>
Date: Thu, 13 Dec 2012 15:27:29 -0600
Just a thought, It's important to note that just because you sniff noise on the Telco line does not mean there is anything wrong with it. The Telco line can become an excellent re radiator of noise (
/archives//html/RFI/2012-12/msg00047.html (9,572 bytes)

55. [RFI] Recent RFI status - Direct TV and Dish? (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 26 Aug 2013 14:33:20 -0400
I am curious to know of any RFI emissions trouble from Dish or Direct TV installations that would affect the 1.8 to 50 MHz spectrum. Have you made receiving measurements to see if anything is being "
/archives//html/RFI/2013-08/msg00047.html (7,783 bytes)

56. [RFI] Invisible Fence RFI? (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Sun, 1 Dec 2013 10:55:16 -0500
I have a ham friend that wants to install an invisible fence around his property for his dog. Any worries about RFI emitting from the underground wire antenna/system? 73, Tim K3LR ___________________
/archives//html/RFI/2013-12/msg00002.html (6,452 bytes)

57. Re: [RFI] RFI on RT-21 (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 19 Mar 2014 20:14:10 -0400
Hello Jorge! Have you contacted Jeff at Green Heron for help? I am sure he will help you solve your issue. I have 25 stock Green Heron controllers here at K3LR with no RFI issues. With your internet
/archives//html/RFI/2014-03/msg00044.html (8,229 bytes)

58. Re: [RFI] Remove from list (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Sat, 22 Mar 2014 14:31:47 -0400
Hello Bill: Please follow the directions to withdraw from the RFI reflector listed by clicking on the link at the bottom of every RFI message. Let me know if you have questions. 73, Tim K3LR RFI Refl
/archives//html/RFI/2014-03/msg00126.html (7,413 bytes)

59. Re: [RFI] remove from list (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 26 Mar 2014 09:58:39 -0400
Hi Terry Please follow the instructions for deleting yourself using the link at the bottom of this email. 73, Tim K3LR remove from list _______________________________________________ RFI mailing lis
/archives//html/RFI/2014-03/msg00193.html (7,664 bytes)

60. Re: [RFI] Please unsubscribe me (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 2 Apr 2014 09:34:12 -0400
Hello Alan Please go to the URL at the bottom of this message - you can delete your email address from the RFI group in less than 30 seconds. 73, Tim K3LR Please unsubscribe me ______________________
/archives//html/RFI/2014-04/msg00022.html (7,374 bytes)

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