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1. Topband: Beverage feed line...too long? (score: 1): Author: "Alessio Sacchi" <iz4efn@gmail.com>; Date: Mon, 17 Sep 2007 21:55:07 +0200; Hi top banders, just yesterday we installed our first beverage at IO4T site, after a couple of years running a (we believe ) succesful K9AY. The beverage is 200m long (600ft) and 6 feet (2m) above th; /archives//html/Topband/2007-09/msg00109.html (8,210 bytes)
2. Re: Topband: Beverage feed line...too long? (score: 1): Author: Augie Hansen <augie.hansen@comcast.net>; Date: Mon, 17 Sep 2007 16:31:00 -0600; You will find a lot of good information about receiving antennas, including performance comparisons, at the following URL: http://www.w8ji.com/receiving.htm Tom's site contains a lot of other useful; /archives//html/Topband/2007-09/msg00111.html (6,796 bytes)
3. Re: Topband: Beverage feed line...too long? (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Tue, 18 Sep 2007 04:48:49 -0700; I can't speak for the K9AY (but he's here to speak for himself). For the Beverage, the answer is YES. A choke formed by winding 7-10 turns of the coax through a 2.4 inch diameter toroid of #31, #77,; /archives//html/Topband/2007-09/msg00112.html (7,221 bytes)
4. Topband: Beverage feed line...too long? (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Tue, 18 Sep 2007 05:26:43 -0700 (PDT); Alessio, Yes, the Beverage can have a surprising noise level, but the ratio of signal to noise will be improved... I sometimes have to reduce my RF gain when listening to the Beverage... What transfo; /archives//html/Topband/2007-09/msg00114.html (7,727 bytes)
5. Re: Topband: Beverage feed line...too long? (score: 1): Author: "K9AY" <k9ay@k9ay.com>; Date: Tue, 18 Sep 2007 10:13:13 -0500; from IZ4EFN: Alessio, Since you say the two antennas have the same noise level, I believe that both of them are experiencing common-mode problems on the long feedline. There are many ways to help, wh; /archives//html/Topband/2007-09/msg00115.html (7,859 bytes)
6. Re: Topband: Beverage feed line...too long? (score: 1): Author: Colman Ahern <Smokey@ziplink.net>; Date: Tue, 18 Sep 2007 13:24:29 -0700; If you think your coax is carrying common-mode, or is picking up RF from some source, "Is Your Coaxial Lead-in Actually an Antenna" by John Bryant at the below might be of help: http://www.dxing.info; /archives//html/Topband/2007-09/msg00117.html (7,686 bytes)
7. Topband: Beverage feed line...too long? (score: 1): Author: "Alessio Sacchi" <iz4efn@gmail.com>; Date: Wed, 19 Sep 2007 23:43:53 +0200; Looks like I'm very busy this week, can't find any time to reply as your posts deserve. We really appreciated all your comments, questions and links. We will take some days to read and think about it; /archives//html/Topband/2007-09/msg00122.html (7,447 bytes)
8. Re: Topband: Beverage feed line...too long? (score: 1): Author: "Alessio Sacchi" <iz4efn@gmail.com>; Date: Sun, 23 Sep 2007 19:57:02 +0200; Hi topbanders, We took some days to think about our setup and reading your suggestions and links. THANK YOU. I will start with some considerations, trying to answer your questions and better explain; /archives//html/Topband/2007-09/msg00152.html (9,569 bytes)

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