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1. [RFI] 160 Meter Interference (score: 1): Author: "Bill Gaines" <gaines@wcoil.com>; Date: Tue, 5 Oct 2004 15:43:02 -0400; I have a terrible noise on 160 and 80 meters and to a much lesser extent 40. I have eliminated my house as the culprit by shutting down the main breaker and operating the radio off battery power. I h; /archives//html/RFI/2004-10/msg00004.html (6,886 bytes)
2. Re: [RFI] 160 Meter Interference (score: 1): Author: "Ford Peterson" <ford@cmgate.com>; Date: Tue, 5 Oct 2004 15:23:00 -0500; Wow! Now that is one weird noise. Never heard one like it before. Are you sure it's not the radio? Try another radio. How wide is the bandwidth? What do you hear on AM. How about FM? It almost sounds; /archives//html/RFI/2004-10/msg00005.html (8,583 bytes)
3. Re: [RFI] 160 Meter Interference (score: 1): Author: "Jim Miller" <JimMiller@STL-Online.Net>; Date: Tue, 5 Oct 2004 18:00:56 -0500; Is this a 24 hr/day sound or is it night only? Almost could be 60 Hz - do you have a street light near? Or a power company transformer with problems? If the sound is arcing, you might be in luck - it; /archives//html/RFI/2004-10/msg00006.html (7,962 bytes)
4. Re: [RFI] 160 Meter Interference (score: 1): Author: "Rick Karlquist" <richard@karlquist.com>; Date: Tue, 5 Oct 2004 16:58:23 -0700 (PDT); I had a problem with a streetlight putting out harmonics of 240 kHz, whether on or off. I had the power company replace it with a light that only generated RFI when turned off. They then fixed this b; /archives//html/RFI/2004-10/msg00007.html (7,936 bytes)
5. Re: [RFI] 160 Meter Interference (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Tue, 5 Oct 2004 20:21:12 -0400; That's a switching power supply of some type. You can be sure it isn't the power companies fault or the telco company. It is remotely possible (but very unlikely) to be a CATV supply. They are almost; /archives//html/RFI/2004-10/msg00008.html (7,736 bytes)
6. Re: [RFI] 160 Meter Interference (score: 1): Author: "Ford Peterson" <ford@cmgate.com>; Date: Tue, 5 Oct 2004 19:41:09 -0500; I had a switching supply on my LAN router that was giving me fits. So I'd smack it on the desk top (pretty hard I might add) a few times and the noise would go away (or at least detune it for a while; /archives//html/RFI/2004-10/msg00009.html (7,638 bytes)
7. Re: [RFI] 160 Meter Interference (score: 1): Author: "Dale J." <dj2001@mn.rr.com>; Date: Wed, 6 Oct 2004 03:21:31 -0500; I had a signal on 75 meters which I traced to my eithernet cable going to a laser printer in the basement, about a 25 foot run. I unpluged the cat 5 cable from my router and the signal disappeared. D; /archives//html/RFI/2004-10/msg00010.html (8,576 bytes)
8. RE: [RFI] 160 Meter Interference (score: 1): Author: "EDWARDS, EDDIE J" <eedwards@oppd.com>; Date: Wed, 6 Oct 2004 08:07:54 -0500; Remember that turning off the power to a house does NOT eliminate UPS noise problems. They keep on going without AC power causing the same noise in most cases. So if you or your neighbor has a UPS yo; /archives//html/RFI/2004-10/msg00011.html (8,895 bytes)
9. Re: [RFI] 160 Meter Interference (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 06 Oct 2004 09:09:41 -0500; Yes. 10BaseT traffic on an ethernet cable will radiate strong carriers throughout the spectrum. Some I have identified are around 14,030, 21,052, and 28,014. There are also carriers on the low end of; /archives//html/RFI/2004-10/msg00012.html (10,374 bytes)
10. Re: [RFI] 160 Meter Interference (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 15 Oct 2004 12:53:51 -0400; I suddenly have a neighbor who seems to be generating a strong birdie similar to that posted. I've narrowed it down to the exact house and contacted the owner who is willing to let me inside to ident; /archives//html/RFI/2004-10/msg00036.html (9,735 bytes)
11. Re: [RFI] 160 Meter Interference (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Fri, 15 Oct 2004 13:00:40 -0400; This one costs much less $4.97) and has the same 40 dB noise rejection as the other two. Anyone have any experience with these? 73, Bill W4ZV http://www.radioshack.com/product.asp?MSCSProfile=745D84C; /archives//html/RFI/2004-10/msg00037.html (8,617 bytes)

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