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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+help\s+IDing\s+HF\s+noise\/interference\s+type\s*$/: 5 ]

Total 5 documents matching your query.

1. [RFI] help IDing HF noise/interference type (score: 1)
Author: "Kevin Rowett" <n6rce@arrl.net>
Date: Wed, 17 Mar 2004 23:15:51 -0800
Hi, I moved to a new QTH in November (Cupertino, CA - CM87xh) and have been plaqued by intermittent noise problems on the HF bands. I could use some help in IDing the source or type of noise. Or, per
/archives//html/RFI/2004-03/msg00064.html (8,274 bytes)

2. Re: [RFI] help IDing HF noise/interference type (score: 1)
Author: "Bob Tellefsen" <n6wg@comcast.net>
Date: Thu, 18 Mar 2004 09:40:31 -0800
Kevin The only way to be sure the source isn't in your own home is to kill the power to the house. If you can hear the receiver from the area of your fuse panel, you can flip switches one at a time.
/archives//html/RFI/2004-03/msg00072.html (7,416 bytes)

3. Re: [RFI] help IDing HF noise/interference type (score: 1)
Author: "David Hachadorian" <K6LL@adelphia.net>
Date: Thu, 18 Mar 2004 10:43:43 -0700
The noise has the characteristic AC hum when an AM demodulator is used, and the motor boat sound when an SSB dem is used. It clearly shows up as harmonic carriers. The carriers appear to be about 10k
/archives//html/RFI/2004-03/msg00073.html (8,791 bytes)

4. Re: [RFI] help IDing HF noise/interference type (score: 1)
Author: "Rick Karlquist" <richard@karlquist.com>
Date: Thu, 18 Mar 2004 12:27:27 -0800 (PST)
Rick N6RK . The harmonics are _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2004-03/msg00079.html (9,465 bytes)

5. RE: [RFI] help IDing HF noise/interference type (score: 1)
Author: "Kevin Rowett" <n6rce@arrl.net>
Date: Thu, 18 Mar 2004 13:30:07 -0800
I haven't found any correlation with time of day yet, and I've had a chance to sample every two hours. I'll monitor the lights and check on either side of their state. Thanks for the suggestion! KR
/archives//html/RFI/2004-03/msg00080.html (8,036 bytes)


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