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1. Topband: Tuning a 2el parasitic array (score: 1): Author: VE6WZ_Steve <ve6wz@shaw.ca>; Date: Sun, 21 Jun 2020 08:06:29 -0600; This morning I uploaded a YouTube video explaining the method for tuning any 2el parasitic array. I do some experiments in my workshop using the Nano-VNA on a small 2 el Yagi to explain mutual coupli; /archives//html/Topband/2020-06/msg00038.html (7,327 bytes)
2. Re: Topband: Tuning a 2el parasitic array (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Sun, 21 Jun 2020 11:07:01 -0700; I do some experiments in my workshop using the Nano-VNA on a small 2 el Yagi to explain mutual coupling. Then using 4NEC2 I show the relationship between the dip in real R (point of maximum coupling); /archives//html/Topband/2020-06/msg00044.html (8,910 bytes)
3. Re: Topband: Tuning a 2el parasitic array (score: 1): Author: VE6WZ_Steve <ve6wz@shaw.ca>; Date: Sun, 21 Jun 2020 13:14:18 -0600; Hi Rick, Yes you can field test for max F/B, but that is far from simple and easy to do. I have done it. Many times over the last 22 years. With a Yagi on the tower I used both an external source as; /archives//html/Topband/2020-06/msg00045.html (10,274 bytes)
4. Re: Topband: Tuning a 2el parasitic array (score: 1): Author: Guy Olinger K2AV <k2av.guy@gmail.com>; Date: Sun, 21 Jun 2020 15:30:25 -0400; With the era of cheap VNA's it does seem time to move forward. Especially with wire yagi's, you can get VNA's with smartphone style 5V USB charged batteries that talk to a tablet running supplied sof; /archives//html/Topband/2020-06/msg00046.html (11,736 bytes)

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