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Total 28 documents matching your query.

21. Topband: Noise (score: 1): Author: "Tod - ID" <tod@k0to.us>; Date: Tue, 24 Nov 2009 12:48:37 -0700; For some folks on 160 noise reduction is of interest. I have placed a copy of a paper written for the LowDown [A LowFer magazine which I believe is no longer being published] some years ago, It used; /archives//html/Topband/2009-11/msg00402.html (7,086 bytes)
22. Re: Topband: Noise (score: 1): Author: "Rick Karlquist" <richard@karlquist.com>; Date: Tue, 24 Nov 2009 17:31:44 -0800; I wouldn't build this circuit as presented. The basic concept seems to have merit (although it is an obvious idea IMHO) and this paper serves as a proof of concept to some extent. A much better RF ga; /archives//html/Topband/2009-11/msg00403.html (8,821 bytes)
23. Re: Topband: Noise (score: 1): Author: Markus Hansen <mkve7ca@gmail.com>; Date: Wed, 25 Nov 2009 10:59:14 -0800; Hi Tod. I built this cct many years ago and found it unsatisfactory compared to the noise blanker in my receiver. It requires a high level of power line noise spikes on the power line coming into you; /archives//html/Topband/2009-11/msg00405.html (9,320 bytes)
24. Re: Topband: Noise (score: 1): Author: "Tod - ID" <tod@k0to.us>; Date: Thu, 26 Nov 2009 13:06:17 -0700; Markus: The circuit does not require that the noise be on your power line -- in fact it is preferable that it is not on that line. What it does do is to use your power line to supply the 120 Hz clock; /archives//html/Topband/2009-11/msg00416.html (10,853 bytes)
25. Re: Topband: Noise (score: 1): Author: Markus Hansen <mkve7ca@gmail.com>; Date: Thu, 26 Nov 2009 15:56:48 -0800; Hi Tod: I stand corrected. After reviewing my notes, I seldom found a situation where the power line noise pulses were stable enough or consistent in nature thus making it very difficult to adjust th; /archives//html/Topband/2009-11/msg00424.html (12,764 bytes)
26. Re: Topband: Noise (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Fri, 27 Nov 2009 10:56:23 -0800; I have a bad pole that arcs "sporadically". A fixed phase and width would be unlikely to work. What would probably work would be the auxiliary 40 MHz receiver as used by Collins. Rick N6RK __________; /archives//html/Topband/2009-11/msg00431.html (7,922 bytes)
27. Topband: Noise (score: 1): Author: H R SMITH <ron3cx3000a7@q.com>; Date: Thu, 3 Dec 2009 18:26:35 -0800; I,ve had noise at S9+20/30 and find it I did. The noise came from lights in the parking lot at Rosauers Supermarket. I found it using my MFJ-852 and a Grundig G6 SW receiver. I went to the store at n; /archives//html/Topband/2009-12/msg00038.html (6,851 bytes)
28. Topband: noise (score: 1): Author: Pete Parisetti <hb9dsu@gmail.com>; Date: Thu, 20 Jan 2011 17:17:51 +0100; Hi TopBanders, I would like to ask the experts' advice to help me identifying what yould possibly be the cause of this noise, that has been plagueing me for quite some time: http://www.chmusiq.com/ha; /archives//html/Topband/2011-01/msg00108.html (7,587 bytes)

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