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Total 3 documents matching your query.

1. Topband: Dual band array (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Tue, 16 Jan 2001 21:23:52 -0500; I've been contemplating an 80m 4 square for a couple of years. Been playing with all the modelling programs. It appears that the high angle lobe off the back can be reduced by either changing the dri; /archives//html/Topband/2001-01/msg00171.html (7,398 bytes)
2. Topband: Dual band array (score: 1): Author: MERVW2OE@aol.com (MERVW2OE@aol.com); Date: Wed, 17 Jan 2001 08:35:44 EST; Roger, my models, as well as some experience, agree with your statements about increased spacing or phase angle. However, what I m seeing is that if you go too far you pick up some pretty big side lo; /archives//html/Topband/2001-01/msg00177.html (7,778 bytes)
3. Topband: Dual band array (score: 1): Author: w8ji@contesting.com (Tom Rauch); Date: Wed, 17 Jan 2001 12:21:21 -0500; Hi Roger, I have no idea why everyone ever settled on 1/4 wl on a side and 90/180 shift. The phase is clearly wrong for the spacing since the mean element spacing is closer than 1/4 wl when fired acr; /archives//html/Topband/2001-01/msg00181.html (8,543 bytes)

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