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1. [RFI] RFI Frustration (score: 1)
Author: Jim Idelson <k1ir@designet.com>
Date: Thu, 14 Feb 2008 18:13:41 -0500
Well, it's the night before the contest and the noise is still there. It's a 24/7 noise and I can DF it in one direction with yagis on 40-10 meters. It's pretty broadband and it has a sputtering soun
/archives//html/RFI/2008-02/msg00025.html (8,232 bytes)

2. Re: [RFI] RFI Frustration (score: 1)
Author: Jim Idelson <k1ir@designet.com>
Date: Thu, 14 Feb 2008 19:16:43 -0500
This particular noise is 24/7, which should eliminate a lot of possibilities. Thanks for your observations. Every little bit helps . . . maybe 73, Jim My experience is there is no noise when the lamp
/archives//html/RFI/2008-02/msg00027.html (7,602 bytes)

3. Re: [RFI] RFI Frustration (score: 1)
Author: Jim Idelson <k1ir@designet.com>
Date: Thu, 14 Feb 2008 21:46:21 -0500
Thanks for the tips. I have to say that over the past 5-6 years I've gotten pretty good at tracking down any kind of powerline arcing noise using the techniques you describe. I've got the directional
/archives//html/RFI/2008-02/msg00032.html (12,270 bytes)

4. Re: [RFI] RFI Frustration (score: 1)
Author: Jim Idelson <k1ir@designet.com>
Date: Thu, 14 Feb 2008 23:05:51 -0500
I may give this a try tonight or tomorrow. Thanks. jack and a loop of wire about 6 inches in diameter taped to a piece of cardboard to hold its shape. This gave me truly excellent nulls off the end o
/archives//html/RFI/2008-02/msg00035.html (8,341 bytes)

5. Re: [RFI] RFI Frustration (score: 1)
Author: Jim Idelson <k1ir@designet.com>
Date: Fri, 15 Feb 2008 11:54:04 -0500
Good news! I looked at the scope waveforms of the demodulated audio at 14MHz and at 150kHz carrier frequencies. It turns out that there is a very pronounced negative-going spike on the waveform when
/archives//html/RFI/2008-02/msg00039.html (12,839 bytes)

6. Re: [RFI] RFI Frustration (score: 1)
Author: Jim Idelson <k1ir@designet.com>
Date: Fri, 15 Feb 2008 11:55:44 -0500
Leigh, Is that just a single turn of wire? And, is the far end of the wire terminated in any way? 73, Jim jack and a loop of wire about 6 inches in diameter taped to a piece of cardboard to hold its
/archives//html/RFI/2008-02/msg00040.html (8,591 bytes)

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