To: | towertalk@contesting.com |
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Subject: | Re: [TowerTalk] modeling compare: 80M, 2EL vs 4SQ |
From: | David Robbins <k1ttt@verizon.net> |
Reply-to: | k1ttt@arrl.net |
Date: | Tue, 17 Mar 2015 09:27:13 -0500 (CDT) |
List-post: | <towertalk@contesting.com">mailto:towertalk@contesting.com> |
"Try listening to K3LR running EU on 80M and think again. Ohio/Penn soil is not salt water and a 4 sq is a 4 sq. So if the extensive ground screen over elevated radials is so useless - what is your explanation of the performance." a 4-square is not a 4-square.... I have had several iterations of 80m and 40m 4-squares here. starting with 48' base loaded pipes with radials on average ground, to the same 48' ones in a swampy area with added radials, to full size wires hung around a tower with a single radial and then with extra radials and on-ground screen, and now finally to rohn 25 towers with raised radials at 10' at first with additional on the ground screen and now without... the extra ground screen was a waste on the tower 4-square, I just did it because I had it left over from the wire one where I think it helped a bit. The tower 4-square way outperforms all the other iterations. _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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