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1. [RFI] N6TR Northwest noise (score: 1): Author: Tree <tree@kkn.net>; Date: Wed, 24 Jan 2007 11:26:05 -0800; All - Someone referred me to this fine list and thought perhaps you might have some input. I have been experiencing some local QRN for over a month now. I have located the general area of the noise -; /archives//html/RFI/2007-01/msg00014.html (7,573 bytes)
2. [RFI] N6TR JA noise update (score: 1): Author: Tree <tree@kkn.net>; Date: Thu, 25 Jan 2007 09:51:50 -0800; First off - as point out this link was wrong: It was noise.doc for the first letter, but I copied it to both file names so it will work now. This morning - it appears the noise continues to diminish; /archives//html/RFI/2007-01/msg00016.html (9,151 bytes)
3. Re: [RFI] N6TR JA noise update (score: 1): Author: Tree <tree@kkn.net>; Date: Thu, 25 Jan 2007 09:54:47 -0800; I meant to say "but it was 23 degrees F this morning" - so it doesn't appear there is much correlation to temperature or even rain. Tree _______________________________________________ RFI mailing l; /archives//html/RFI/2007-01/msg00017.html (6,475 bytes)
4. Re: [RFI] N6TR JA noise update (score: 1): Author: Tree <tree@kkn.net>; Date: Thu, 25 Jan 2007 11:16:49 -0800; Hi Dan. I have wandered over there some with my 160 meter receiving loop and battery powered K2. The thought of a heater in a green house was an obvious thing to consider. Probably the biggest piece; /archives//html/RFI/2007-01/msg00019.html (7,768 bytes)
5. Re: [RFI] N6TR JA noise update (score: 1): Author: Tree <tree@kkn.net>; Date: Thu, 25 Jan 2007 11:23:50 -0800; Yes - this is very true. However, I have been unable to hear this with my 131 MHz DF setup (radio shack handheld receiver and 3 element beam). Tree _______________________________________________ RFI; /archives//html/RFI/2007-01/msg00020.html (7,533 bytes)
6. Re: [RFI] Topband: N6TR JA noise update (score: 1): Author: Tree <tree@kkn.net>; Date: Mon, 29 Jan 2007 09:27:32 -0800; Hi Mark. I did get some responses - but so far, no identification of the device. However, the frequency of the noise is very sporadic now - and we only heard it once during the CQ 160 contest - for f; /archives//html/RFI/2007-01/msg00029.html (7,889 bytes)
7. Re: [RFI] Topband: N6TR JA noise update (score: 1): Author: Tree <tree@kkn.net>; Date: Mon, 29 Jan 2007 09:32:58 -0800; I realize that this was a confusing statment. When I said "frequency", I meant how often the noise appears. The radio frequency part of the noise is the same as it always has been. Tree _____________; /archives//html/RFI/2007-01/msg00030.html (6,824 bytes)
8. Re: [RFI] [SPAM] Re: A RF Quiet Electric Fencer needed (score: 1): Author: Tree <tree@kkn.net>; Date: Mon, 5 Jan 2009 12:33:52 -0800; There are chargers that make noise - even when the fence is perfect. Typically, it isn't a problem unless you are pretty close to them. I have had luck making them quiet enough to live with by puttin; /archives//html/RFI/2009-01/msg00032.html (9,094 bytes)
9. Re: [RFI] A RF Quiet Electric Fencer needed (score: 1): Author: Tree <tree@kkn.net>; Date: Mon, 5 Jan 2009 14:55:06 -0800; In series with the "output". I think I did two inductors with a cap to ground after each one. Probably in the order of 3000 pf and not sure how many microhenries - I am sure at least 100 uH. Tree __; /archives//html/RFI/2009-01/msg00036.html (8,379 bytes)
10. Re: [RFI] Hum in Bose QC2 headphones (score: 1): Author: Tree <tree@kkn.net>; Date: Tue, 13 Jan 2009 21:35:38 -0800; It could be a problem with the headphones as well. I had a pair of sony noise cancelling ones that developed this same problem. If you ground yourself - it probably reduces the amount of AC your body; /archives//html/RFI/2009-01/msg00101.html (9,102 bytes)
11. Re: [RFI] Motherboard RFI (score: 1): Author: Tree <tree@kkn.net>; Date: Sat, 2 Jan 2010 10:26:59 -0800; Um - unlikely this is the root cause. Those are bulk capacitors - who main job is to provide stable voltage levels to the silicon components during dynamic changes in the current. The caps that would; /archives//html/RFI/2010-01/msg00002.html (7,978 bytes)
12. Re: [RFI] Ferrite Beads from DX Engineering (score: 1): Author: Tree <tree@kkn.net>; Date: Mon, 11 Jan 2010 15:18:51 -0800; I have also used some ferrite and caps to slow down the edges from an electric fence charger. I have found that one popular brand has sharp enough edges that it causes some RFI even if there is noth; /archives//html/RFI/2010-01/msg00030.html (8,454 bytes)
13. Re: [RFI] Working with the Power Company (was: Privileged treatment) (score: 1): Author: Tree <tree@kkn.net>; Date: Thu, 11 Feb 2010 10:17:16 -0800; Good one Jim. My entry for favorite story is finding a 20 db over S9 noise at W5WMU two days before the SS CW. It appeared to be very local and turned out to be a pole that was on WMU's property dedi; /archives//html/RFI/2010-02/msg00044.html (7,261 bytes)

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