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Total 5 documents matching your query.

1. Topband: Dual Band Inv L - 2 Points to clarify (score: 1): Author: VY2MGY@IDIRECT.COM (VY2MGY); Date: Mon, 18 Dec 2000 20:17:23 -0000; I forgot to mention that my feedline is 450 ohm ladderline to a HI-Q 4:1 Balun by VGE and then 3' of Coax to the radio. And when I said I have a 1.1 to 1 SWR that is with my onboard autotuner in my I; /archives//html/Topband/2000-12/msg00107.html (7,706 bytes)
2. Topband: Dual Band Inv L - 2 Points to clarify (score: 1): Author: w8ji@contesting.com (Tom Rauch); Date: Tue, 19 Dec 2000 00:00:46 -0500; Hi Brian, Feeding an almost perfectly unbalanced antenna, like an inverted L with a good ground system, with a balanced line is not a good idea. While you can tune the antenna on a couple bands, the; /archives//html/Topband/2000-12/msg00108.html (9,418 bytes)
3. Topband: Dual Band Inv L - 2 Points to clarify (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Tue, 19 Dec 2000 13:42:53 +0100; Hi Brian, if my memory doesn't fail, once I analyzed something very similar for a friend, the feed point impedance of your antenna should be in the range of 40 Ohm resistive on 80m (3.5 MHz) and 6 -j; /archives//html/Topband/2000-12/msg00109.html (8,173 bytes)
4. Topband: Dual Band Inv L - 2 Points to clarify (score: 1): Author: w1to@attglobal.net (Tom Homewood); Date: Tue, 19 Dec 2000 08:37:38 -0500; Have you considered using a trap in the L for 80 meters? This would make the matching problem for two bands easier. The total length will be less than your original L due to the trap. This is what th; /archives//html/Topband/2000-12/msg00110.html (7,454 bytes)
5. Topband: Dual Band Inv L - 2 Points to clarify (score: 1): Author: gmguerin@voyager.net (George & Marijke Guerin); Date: Tue, 19 Dec 2000 22:36:47 -0500; Dear Brian et. al. Why not a dual band inverted L? If you make an 80 meter trap and put it about 65 feet from the feed point, you can have an essentially full size antenna on both bands. A typical 80; /archives//html/Topband/2000-12/msg00112.html (7,766 bytes)

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