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1. Topband: New Inv-L Questions (score: 1): Author: N4ZR <n4zr@comcast.net>; Date: Fri, 12 Mar 2021 17:06:24 -0500; I have just finished replacing my 1/4 wave 160-M inverted L, which broke this winter at the bend. It has 8 ca. 70-foot on the ground radials. I measured the R and X at the feedpoint with a RigExport; /archives//html/Topband/2021-03/msg00119.html (7,272 bytes)
2. Re: Topband: New Inv-L Questions (score: 1): Author: Dave Cuthbert <telegrapher9@gmail.com>; Date: Sat, 13 Mar 2021 07:10:19 -1000; Hi Pete. Modeling your antenna with the horizontal wire 30' above GND an EZNEC sweep across the band shows R varying from 27 to 34 ohms with X varying from -j55 to +j55 ohms. Modeling your antenna wi; /archives//html/Topband/2021-03/msg00121.html (8,410 bytes)
3. Topband: New Inv-L Questions (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Sun, 14 Mar 2021 06:30:52 -0500; A flat curve is to be expected and it's a sign something is wrong. And that something is that you do not have nearly enough radials in your ground system. Your radials are on the ground. Such a grou; /archives//html/Topband/2021-03/msg00122.html (7,396 bytes)
4. Re: Topband: New Inv-L Questions (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 15 Mar 2021 04:52:44 -0500; To clarify: I should have written: X should hit zero over a few kc at some point in the band, depending on the length of the driven element. Sorry for the confusion. 73 Rob K5UJ _________________ Sea; /archives//html/Topband/2021-03/msg00124.html (7,456 bytes)

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