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Total 26 documents matching your query.

21. Re: [RFI] MFJ-805 RFI detector - Any good? (score: 1)
Author: "Frank Haas KB4T" <kb4t@arrl.net>
Date: Thu, 10 Mar 2011 00:22:29 -0500
I want to add some comments to my earlier note in this thread. Earlier I mentioned that a 2 meter Yagi antenna makes a pretty good DFing antenna for power line interference. I meant to include mentio
/archives//html/RFI/2011-03/msg00029.html (10,151 bytes)

22. Re: [RFI] FW: Topband: Exciting noise sources (Tim Duffy K3LR) (score: 1)
Author: "Frank Haas KB4T" <kb4t@arrl.net>
Date: Mon, 28 Mar 2011 11:52:04 -0400
While this lengthy story details a painfully long and (luckily) successful power line noise investigation, it points out the value of good location equipment. Had the searchers been equipped with eve
/archives//html/RFI/2011-03/msg00105.html (11,177 bytes)

23. Re: [RFI] FW: Topband: Exciting noise sources (Tim Duffy K3LR) (score: 1)
Author: "Frank Haas KB4T" <kb4t@arrl.net>
Date: Tue, 29 Mar 2011 01:30:22 -0400
Phil: There are good reasons ultrasonic detectors are not spoken of much. They are only useful up close and sound off only in a small number of cases. They tend to be costly to buy, can be costly to
/archives//html/RFI/2011-03/msg00120.html (12,417 bytes)

24. Re: [RFI] FW: Topband: Exciting noise sources (Tim Duffy K3LR) (score: 1)
Author: "Frank Haas KB4T" <kb4t@arrl.net>
Date: Tue, 29 Mar 2011 02:12:26 -0400
Kurt: I understand what you describe. The best tools in the world can be useless in the hands of someone who doesn't know how to use them. Simple tools in the hands of someone who understands what is
/archives//html/RFI/2011-03/msg00122.html (12,716 bytes)

25. Re: [RFI] FW: Topband: Exciting noise sources (Tim Duffy K3LR) (score: 1)
Author: "Frank Haas KB4T" <kb4t@arrl.net>
Date: Tue, 29 Mar 2011 02:27:55 -0400
Thank you, Jim. All that I share here is the direct result of experience in the field. I'm pleased to be able to share what I know. Knowing that what I share is of value is the highest praise possibl
/archives//html/RFI/2011-03/msg00123.html (7,338 bytes)

26. Re: [RFI] FW: Topband: Exciting noise sources (Tim Duffy K3LR) (score: 1)
Author: "Frank Haas KB4T" <kb4t@arrl.net>
Date: Tue, 29 Mar 2011 09:37:09 -0400
Tom: I have not used any Yaesu gear for RFI searches so I can't comment on the FT-817. Your question and one or two comments in this thread suggest that I should describe my mobile installation which
/archives//html/RFI/2011-03/msg00129.html (12,264 bytes)


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