The actual folded dipole has actually got different diameters in other places too.Ī folded dipole with unequal conductor diameters can provide different impedance multiplication ratios.
Nothing in this design should cause any problems for MMANA-GAL. All parameters seem to benefit from this, and the element currents look healthier. As for the antenna design, it would work better with the feed point at the front part of the folded dipole, and the dipole widened to 0.91m. For automatic optimization programs, I would prefer the ones by Brian Beezley. I don't use the automatic optimization in MMANA-GAL myself. If you would like to manually experiment with designs using folded dipoles, or other connected element parts, be sure to check the "keep connected" box under Geometry. Your dipole uses different diameters for its parts, probably just a simple mistake. It is well centered, and does not get connected to the elements in MMANA-GAL unless you use dedicated end points at the intended connections. You could just as well use 400, 40, 2,1 for the auto segmentation parameters. Hi David, Your attached file has a few issues.
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