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1. [TowerTalk] Antenna element diameter \ length calculation (score: 1): Author: "Gary Schafer" <garyschafer@largeriver.net>; Date: Mon, 6 Oct 2014 21:38:20 -0500; I am helping a friend with an 80 meter 4 square vertical. Can someone tell me how to calculate the difference in length when 4" aluminum pipe is used for the elements verses wire elements? Thanks Gar; /archives//html/Towertalk/2014-10/msg00046.html (6,827 bytes)
2. Re: [TowerTalk] Antenna element diameter \ length calculation (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Tue, 7 Oct 2014 07:27:07 -0500; You can calculate the resonant frequency for any element diameter using the W6QHS element spreadsheet http://www.realhamradio.com/Download.htm John KK9A I am helping a friend with an 80 meter 4 squar; /archives//html/Towertalk/2014-10/msg00053.html (8,243 bytes)
3. Re: [TowerTalk] Antenna element diameter \ length calculation (score: 1): Author: "Gary Schafer" <garyschafer@largeriver.net>; Date: Tue, 7 Oct 2014 14:05:54 -0500; Thanks for the info John. My computer doesn't want to open the wk1 files of the program. Any suggestions? Thanks Gary K4FMX _______________________________________________ ___________________________; /archives//html/Towertalk/2014-10/msg00065.html (9,702 bytes)
4. Re: [TowerTalk] Antenna element diameter \ length calculation (score: 1): Author: Dan Maguire via TowerTalk <towertalk@contesting.com>; Date: Wed, 8 Oct 2014 01:09:30 -0700; If a "shortening factor" is defined as the ratio between the height of a resonant grounded vertical and a free space quarter wavelength, the following curves show the factors for 3.75 MHz and 28.5 MH; /archives//html/Towertalk/2014-10/msg00072.html (10,256 bytes)

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