Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+RFI\s+Frustration\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+RFI\s+Frustration\s*$/: 12 ]

Total 12 documents matching your query.

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: "Howard Lester" <hlester@mmto.org>; Date: Thu, 14 Feb 2008 16:30:16 -0700 (MST); My experience is there is no noise when the lamp is fully on and when the lamp is fully off. In between is where it can be noisy... some dimmers are "deadly-noisy." Those are pretty constant as long; /archives//html/RFI/2008-02/msg00026.html (6,680 bytes)
3. 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)
4. Re: [RFI] RFI Frustration (score: 1): Author: "Leigh L Klotz, Jr." <Leigh@WA5ZNU.org>; Date: Thu, 14 Feb 2008 16:27:26 -0800; _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi; /archives//html/RFI/2008-02/msg00028.html (8,087 bytes)
5. Re: [RFI] RFI Frustration (score: 1): Author: "Jim P" <jvpoll@dallas.net>; Date: Thu, 14 Feb 2008 19:23:45 -0600; Hmmm ... We can work with this. Any ham who is tying to track down 'noise' should have at his disposal a battery-operated AM radio for the utility of its highly directional ferrite 'loopstick' antenn; /archives//html/RFI/2008-02/msg00029.html (10,857 bytes)
6. 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)
7. Re: [RFI] RFI Frustration (score: 1): Author: "Leigh L Klotz, Jr." <Leigh@WA5ZNU.org>; Date: Thu, 14 Feb 2008 19:24:17 -0800; I used a TH-F6A with a short SMA-BNC cable, then a Pomona BNC->Banana 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; /archives//html/RFI/2008-02/msg00033.html (8,234 bytes)
8. 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)
9. 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)
10. 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)
11. [RFI] RFI Frustration (score: 1): Author: "Lee K7TJR" <k7tjr@msn.com>; Date: Sat, 16 Feb 2008 19:26:15 -0800; I just went through a similar problem here. A neighbor 1/2 mile away let me come in their house with a small BCB radio. We ended up having to flip all the breakers only because I did not ask ALL the; /archives//html/RFI/2008-02/msg00044.html (8,440 bytes)
12. Re: [RFI] RFI Frustration (score: 1): Author: "Leigh L Klotz, Jr." <Leigh@WA5ZNU.org>; Date: Sat, 16 Feb 2008 19:46:19 -0800; Jim, Yes, I used a single turn, maybe it was 8 inches in diameter. I hooked one each to the BNC binding posts to make a loop. I taped the loop on the cardboard to keep it circular, and put the Pomona; /archives//html/RFI/2008-02/msg00045.html (9,768 bytes)

Current List: 1 - 12
Page: [1]