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Total 5 documents matching your query.

1. [TowerTalk] Making a XM-240 into a 340? (score: 1): Author: "Gregg Seidl" <k9kl@centurytel.net>; Date: Mon, 16 Nov 2009 16:42:32 -0600; Has anyone ever taken an extra Cushcraft 40 meter element and added to an existing XM-240 with a longer boom to make a 3 element yagi? Seems it would work to me. Gregg K9KL __________________________; /archives//html/Towertalk/2009-11/msg00283.html (6,580 bytes)
2. Re: [TowerTalk] Making a XM-240 into a 340? (score: 1): Author: "Gene Fuller" <w2lu@rochester.rr.com>; Date: Mon, 16 Nov 2009 23:22:51 -0500; Hi GreggI've never tried that but I believe that if it's close enough to act as another parasitic element it will have to couple into the driven element and would most likely lower the feedpoint impe; /archives//html/Towertalk/2009-11/msg00284.html (8,123 bytes)
3. Re: [TowerTalk] Making a XM-240 into a 340? (score: 1): Author: "Julio Peralta" <jperalta4@verizon.net>; Date: Mon, 16 Nov 2009 20:00:40 -0500; I've wondered the same thing Gregg, I'll be interested in the comments. Julio, W4HY Has anyone ever taken an extra Cushcraft 40 meter element and added to an existing XM-240 with a longer boom to mak; /archives//html/Towertalk/2009-11/msg00289.html (8,284 bytes)
4. Re: [TowerTalk] Making a XM-240 into a 340? (score: 1): Author: " Wayne Jones N5GT" <djones@telepak.net>; Date: Tue, 17 Nov 2009 08:41:11 -0500; I have a rotable dipole that I have considered using to make a 340. I have also considered retuning the dipole to 30 mtr and mounting it at the correct distance in front of the 240 driven element fo; /archives//html/Towertalk/2009-11/msg00292.html (8,388 bytes)
5. Re: [TowerTalk] Making a XM-240 into a 340? (score: 1): Author: "K1TTT" <K1TTT@ARRL.NET>; Date: Tue, 17 Nov 2009 22:55:39 +0000; I modeled that years ago with a 40-2cd and decided it wasn't worth it. if you model it be sure to get the loading coil model that includes losses, they are significant. David Robbins K1TTT e-mail: ma; /archives//html/Towertalk/2009-11/msg00303.html (10,067 bytes)

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