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Total 26 documents matching your query.

21. Topband: Laird ferrites (score: 1): Author: Michael Clarson <wv2zow@gmail.com>; Date: Tue, 3 Jul 2012 11:33:41 -0400; Just some information: Laird purchased Cushcraft in, I think, 2008. They later sold the amateur line to MFJ, but kept the commercial products. Back then, their web site was pretty bad for antennas. I; /archives//html/Topband/2012-07/msg00029.html (8,067 bytes)
22. Re: Topband: Laird ferrites (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 03 Jul 2012 08:34:50 -0700; Exactly right, Lee, and that's true of MANY technical products, and Tom's comments are exactly right too. This is a FAILURE by the companies involved -- they SHOULD provide the data that Fair-Rite pr; /archives//html/Topband/2012-07/msg00030.html (10,825 bytes)
23. Topband: Laird ferrites (score: 1): Author: "Lee K7TJR" <k7tjr@msn.com>; Date: Tue, 3 Jul 2012 08:54:57 -0700; I do not know the ferrite suppliers name. I buy these toroids already wound. What I do know is it is a Chinese company. Lee K7TJR So who is this mysterious off brand ferrite supplier or is that a sec; /archives//html/Topband/2012-07/msg00031.html (7,947 bytes)
24. Re: Topband: Laird ferrites (score: 1): Author: "ZR" <zr@jeremy.mv.com>; Date: Tue, 3 Jul 2012 12:05:00 -0400; I dont know where the National engineers got their start with ferrite suppression but the basics were around since the 30's and refined during WW2. They were using beads on leads by the early 60's o; /archives//html/Topband/2012-07/msg00032.html (9,353 bytes)
25. Re: Topband: Laird ferrites (score: 1): Author: W2PM <w2pm@aol.com>; Date: Tue, 3 Jul 2012 13:14:02 -0400; I agree there are few people who have contributed more to ham radio as ON4UN and challenge anyone to show me an engineering text or any academic text with no errors or omissions. And I personally fou; /archives//html/Topband/2012-07/msg00034.html (10,764 bytes)
26. Re: Topband: Laird ferrites (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 03 Jul 2012 11:04:28 -0700; The textbooks I know of are three by E. C. Snelling, and are referenced in my tutorial. KC9GLI, then a prof at U of Chicago, found a copy of the first one in the third basement of the engineering lib; /archives//html/Topband/2012-07/msg00037.html (8,684 bytes)

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