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1. [TowerTalk] Taper changes using EZNEC+ (score: 1): Author: john@kk9a.com; Date: Fri, 11 May 2012 09:29:39 -0500; I would like to change tubing diameters on an antenna that I have previously designed. Is there a way do this and maintain the same element resonate frequency using EZNEC+? I tried "Show Stepped Dia; /archives//html/Towertalk/2012-05/msg00171.html (6,760 bytes)
2. Re: [TowerTalk] Taper changes using EZNEC+ (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Fri, 11 May 2012 08:08:50 -0700; Isn't that taper correction an empirical formula? (from Dave Leeson W6NL nee W6QHS) It converts a specific taper schedule into an equivalent constant diameter and length, with the calibration done by; /archives//html/Towertalk/2012-05/msg00172.html (9,014 bytes)
3. Re: [TowerTalk] Taper changes using EZNEC+ (score: 1): Author: Steve London <n2icarrl@gmail.com>; Date: Fri, 11 May 2012 13:17:14 -0600; The companion spreadsheet used to be on the ARRL web site, before the conversion to the new ARRL web site. Since it is copyright protected by W6NL and ARRL, I hesitate to post it myself. Maybe someon; /archives//html/Towertalk/2012-05/msg00173.html (7,403 bytes)
4. Re: [TowerTalk] Taper changes using EZNEC+ (score: 1): Author: "Steve W3AHL" <w3ahl@att.net>; Date: Fri, 11 May 2012 22:27:46 -0400; I use Yagi Mechanical from DX Engineering for $39 (there's a free demo version to get a feel for what it does). It does stress analysis for the elements and boom, but also keeps track of the elements; /archives//html/Towertalk/2012-05/msg00176.html (8,207 bytes)
5. Re: [TowerTalk] Taper changes using EZNEC+ (score: 1): Author: <john@kk9a.com>; Date: Fri, 11 May 2012 20:12:24 -0800; Thanks to all that responded to my EZNEC modeling question. After trying other modeling software and doing some research I decided to go with W6RMK's suggestion of using the W6QHS algorithm to adjust; /archives//html/Towertalk/2012-05/msg00177.html (8,052 bytes)

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