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1. [TowerTalk] TH7-DX balun info -- thanks! (score: 1): Author: Phil <pmills7@comcast.net>; Date: Fri, 3 Apr 2020 04:24:56 -0500; Thanks for all the responses. I suspected the BN-86 balun would not last when I put the antenna up so I acquired a DX Engineering balun as a spare. But, as I was getting ready to replace the old balu; /archives//html/Towertalk/2020-04/msg00018.html (7,330 bytes)
2. Re: [TowerTalk] TH7-DX balun info -- thanks! (score: 1): Author: Máximo EA1DDO_HK1H <ea1ddo@hotmail.com>; Date: Fri, 3 Apr 2020 09:36:07 +0000; Before to get or use a balun 1:1 or choke, be sure it offers the required amount of impedance, and it is located in the frequencies of interest. Some chokes are centered on high bands, others on low; /archives//html/Towertalk/2020-04/msg00019.html (8,634 bytes)
3. Re: [TowerTalk] TH7-DX balun info -- thanks! (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 3 Apr 2020 10:21:30 -0700; Do not trust these plots or claimed performance from this company. A local ham who is building a contest station gave me one of their units to measure. It didn't look anything like their plot. These; /archives//html/Towertalk/2020-04/msg00021.html (8,796 bytes)
4. Re: [TowerTalk] TH7-DX balun info -- thanks! (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 3 Apr 2020 10:22:19 -0700; WRONG! Chokes are very difficult to measure. 73, Jim K9YC _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.c; /archives//html/Towertalk/2020-04/msg00022.html (7,526 bytes)
5. Re: [TowerTalk] TH7-DX balun info -- thanks! (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Fri, 3 Apr 2020 22:02:01 -0700; Jim is exactly right. If you look at the web page that was cited, the vendor admits that the measurement was done with an AIM4170c "Network Analyzer." Actually, this instrument is not a VNA, but is m; /archives//html/Towertalk/2020-04/msg00024.html (9,381 bytes)
6. Re: [TowerTalk] TH7-DX balun info -- thanks! (score: 1): Author: Máximo EA1DDO_HK1H <ea1ddo@hotmail.com>; Date: Sat, 4 Apr 2020 07:32:08 +0000; I need to say that my comment was just an example. Perhaps it is not the best example, but it was the first I found. That model or maker is NOT my recommendation. Apologizes for the confusion. 73, Ma; /archives//html/Towertalk/2020-04/msg00025.html (10,620 bytes)

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