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1. [TowerTalk] Model This NVIS (score: 1): Author: "David Jordan" <wa3gin@comcast.net>; Date: Tue, 20 Nov 2012 20:48:15 -0500; Hi Folks, Jamaca NVIS... - four driven elements fed in phase (70ft ea) spaced 70ft apart, 18ft AGL - four reflectors 5% longer buried just below the earth - four directors 5% shorter, 45ft AGL A clou; /archives//html/Towertalk/2012-11/msg00249.html (6,803 bytes)
2. Re: [TowerTalk] Model This NVIS (score: 1): Author: N6FD <n6fd@hughes.net>; Date: Tue, 20 Nov 2012 21:13:30 -0800; Try 4nec2 it is free, reasonably easy to use and reasonably accurate. I'm not sure exactly how you are set up there, but you should be able to model your antenna system. Jamaca NVIS... - four driven; /archives//html/Towertalk/2012-11/msg00251.html (7,859 bytes)
3. Re: [TowerTalk] Model This NVIS (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Wed, 21 Nov 2012 04:48:31 -0800; the NEC2 engine doesn't do "buried wires" You need to get something like NEC4 What I would do, though, is start with NEC2, and model it in free space and see what you get. The wrench in the works is; /archives//html/Towertalk/2012-11/msg00256.html (8,564 bytes)

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