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Total 9 documents matching your query.

1. Topband: 40m array as RX antenna (score: 1): Author: Jamie WW3S <ww3s@zoominternet.net>; Date: Wed, 14 Nov 2018 14:10:23 -0500 (EST); I'm plagued with local noise, I live in a sub division, and have a small loet (80x180), 2 yrs ago, I tried a reversible EWE and had pretty good sucess with it, last year I tried a HI-Z 3L, and wasnt; /archives//html/Topband/2018-11/msg00090.html (7,021 bytes)
2. Re: Topband: 40m array as RX antenna (score: 1): Author: <n4is@n4is.com>; Date: Wed, 14 Nov 2018 16:00:17 -0500; Hi Jaime The only way to really improve signal to noise ratio is with directivity. Better directivity better signal to noise ratio. Everything else is just less deterioration or more deterioration. T; /archives//html/Topband/2018-11/msg00091.html (10,119 bytes)
3. Re: Topband: 40m array as RX antenna (score: 1): Author: WW3S <ww3s@zoominternet.net>; Date: Wed, 14 Nov 2018 17:29:03 -0500; I have 2x6 switch at the tower, that the inv l feeds thru, choosing a different antenna makes no difference in the noise level, but I suspect there is more to detuning it than just disconnecting it..; /archives//html/Topband/2018-11/msg00092.html (8,680 bytes)
4. Re: Topband: 40m array as RX antenna (score: 1): Author: <lee@k7tjr.com>; Date: Wed, 14 Nov 2018 15:27:37 -0800; JC thanks for helping Jamie, I agree with most things you have pointed out however I must take issue with you on never use plastic boxes. I have used plastic boxes on my arrays for many years now and; /archives//html/Topband/2018-11/msg00093.html (11,430 bytes)
5. Re: Topband: 40m array as RX antenna (score: 1): Author: <n4is@n4is.com>; Date: Wed, 14 Nov 2018 19:41:00 -0500; Lee I agree with you, a vertical array in a quiet place works very well, I remember our friend Dale. The 8 circle array has almost 13 db RDF and can hear better than the WF with 11.5db RDF. The issue; /archives//html/Topband/2018-11/msg00094.html (13,269 bytes)
6. Re: Topband: 40m array as RX antenna (score: 1): Author: "JC" <n4is@n4is.com>; Date: Thu, 15 Nov 2018 07:19:24 -0500; Hi Jim and Lee Before we agree that we disagree, let me elaborate on few basic concepts for a good design. Point by point and let me know which one you disagree. 1- RF runs outside the cable surface,; /archives//html/Topband/2018-11/msg00097.html (10,411 bytes)
7. Re: Topband: 40m array as RX antenna (score: 1): Author: "John Harden, D.M.D." <jhdmd@bellsouth.net>; Date: Thu, 15 Nov 2018 07:53:14 -0500; I have one of JC's Waller Flags on a 40 foot boom at 95 feet.. It is fed with LMR-600 at the tower base XFMR where the 100 ohm twin-ax terminates. It is use with a K-3 in diversity receive with a Hi-; /archives//html/Topband/2018-11/msg00098.html (11,649 bytes)
8. Re: Topband: 40m array as RX antenna (score: 1): Author: Bryon Paul Veal NŲAH <bryonveal@msn.com>; Date: Thu, 15 Nov 2018 13:46:12 +0000; Need link to un subscribe from list. Any help appreciated Get Outlook for Android<https://aka.ms/ghei36> ________________________________ From: Topband <topband-bounces@contesting.com> on behalf of J; /archives//html/Topband/2018-11/msg00099.html (13,147 bytes)
9. Re: Topband: 40m array as RX antenna (score: 1): Author: Lee STRAHAN <k7tjr@msn.com>; Date: Thu, 15 Nov 2018 22:40:57 +0000; Hello JC, There is nothing to disagree about JC, My 20 to 24 foot elements when fed into a Hi-Z amp produce a signal that is around 20 dB less than a good TX vertical. Your Waller flags produce a sig; /archives//html/Topband/2018-11/msg00104.html (12,227 bytes)

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