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1. Topband: 160m antenna help (score: 1): Author: Paul Mclaren <paul.mcl@gmail.com>; Date: Fri, 21 Sep 2018 21:06:52 +0100; Looking for the advice of the experienced hams for what if anything I should do to make my 160m inverted L more efficient. Being realistic I am limited as I have a postage stamp garden so can't reall; /archives//html/Topband/2018-09/msg00157.html (7,641 bytes)
2. Re: Topband: 160m antenna help (score: 1): Author: Paul Mclaren <paul.mcl@gmail.com>; Date: Fri, 21 Sep 2018 21:24:16 +0100; Stan, Thanks and another daft question.....what sort of wire would recommend for the coil? Regards Paul MM0ZBH _________________ Topband Reflector Archives - http://www.contesting.com/_topband; /archives//html/Topband/2018-09/msg00158.html (9,122 bytes)
3. Re: Topband: 160m antenna help (score: 1): Author: "Clive GM3POI" <clive@gm3poi.com>; Date: Fri, 21 Sep 2018 17:14:34 -0500; Paul this was covered a few days ago. Aim to resonate the L at approx. 1.9mhz then put a hairpin coil across the feed point, somewhere in the region of 2.5 microhenries. Then if needed adjust the hor; /archives//html/Topband/2018-09/msg00159.html (11,073 bytes)
4. Re: Topband: 160m antenna help (score: 1): Author: Paul Mclaren <paul.mcl@gmail.com>; Date: Fri, 21 Sep 2018 22:28:11 +0100; Clive, Stan, I had followed the thread the other day but wasnt 100% sure if the answer was the same as my analyser reading were quite a bit different. All points noted so will try the hairpin and see; /archives//html/Topband/2018-09/msg00160.html (11,826 bytes)
5. Re: Topband: 160m antenna help (score: 1): Author: "Clive GM3POI" <clive@gm3poi.com>; Date: Fri, 21 Sep 2018 17:47:52 -0500; Paul we know your problem is that the ground losses with your system are probably at least twice what they would be with less radial issues. Removing the L and making it a T would gain you the most.; /archives//html/Topband/2018-09/msg00161.html (12,399 bytes)
6. Re: Topband: 160m antenna help (score: 1): Author: Wes Stewart <wes_n7ws@triconet.org>; Date: Fri, 21 Sep 2018 15:20:45 -0700; Paul, It would be nice to have a few more data points. The two you supplied when mapped onto the Smith Chart don't give much evidence of a resonant point and the second one doesn't make sense. With; /archives//html/Topband/2018-09/msg00163.html (9,249 bytes)
7. Re: Topband: 160m antenna help (score: 1): Author: Mike Waters <mikewate@gmail.com>; Date: Fri, 21 Sep 2018 19:19:46 -0500; Hello Paul, How about trying Guy Olinger's elevated FCP (folded counterpoise) and compare that to your radials on the earth? If you're not familiar with it, then just search the Topband archives for; /archives//html/Topband/2018-09/msg00164.html (8,621 bytes)
8. Re: Topband: 160m antenna help (score: 1): Author: Paul Mclaren <paul.mcl@gmail.com>; Date: Sat, 22 Sep 2018 20:45:21 +0100; All, Thanks to everyone on list who gave me a lot of specific advice to my questions on my 160m inverted L. I visited the local DIY store today and purchased a length of 8mm bore flexible copper pipe; /archives//html/Topband/2018-09/msg00167.html (8,402 bytes)

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