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SWL Newbies : The Verdict - Magnetic Longwire Balun Is Too Expensive-by- Alan Johnson
On Jul 8, 12:32 pm, dxAce wrote:
- - - - They once threatened to sue me for making matching transformers. - - - No ****? - - - On what grounds? - - They indicated in their letter (sure wish I still had it, - - as I'd frame it!) that it was a proprietary design and - - I had no business making them and selling them. - - - - I believe I wrote back asking them what was proprietary - - about winding some wire on a ferrite toroid. Additionally, - - my case design was different from theirs as well. - - - - I never heard back from them again. - - - - My design was based upon the work of John Bryant - - and Nick Hall-Patch and appeared in Fine Tuning's - - 'Proceedings' in the late 80's as I recall. - For those interested here are some links: - - http://members.aol.com/DXerCapeCod/z_transformers.pdf - - http://www.dxing.info/equipment/impe...ing_bryant.pdf Shortwave Radio Listener (SWL) Newbies -Read- The Verdict : Magnetic Longwire Balun Is Too Expensive -by- Alan Johnson -source- HardCoreDX.Com http://www.hard-core-dx.com/nordicdx.../magbalun.html The N8KDV 10:1 transformer is the best buy, based on price and performance. N8KDV -aka- DX Ace RF Systems Magnetic Longwire Balun (MLB) -versus- N8KDV 10:1 Matching Transformer http://www.iserv.net/~n8kdv/xfmr.htm |
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