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Flawed design Note the gain of Vertical and Horizontal components are equal at the bore site.
Thia is what the pattern should look like . but note best axial ratio is .44 This is due to a poor design. .
Flawed design showing axial ratio Even though Vertical and Horizontal gain is exactly equal at the bore site, a nice nearly perfect axial ratio of .9
Flawed design Showing circular polarization This hints at why axial ratio is not near 1 at the bore site
Flawed design Note the gain of Vertical and Horizontal components are equal at the bore site.
Crossed Dipoles showing nice axial ratio at the bore site (X axis)
Crossed Dipoles showing magnitude of gain in dBic. Just to show the 3D pattern.
Crossed dipoles showing circular polarization Note the null (in L handed signal) at the bore site.
ghz24

Flawed design Note the gain of Vertical and Horizontal components are equal at the bore site.

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Circular polarized yagi/turnstile
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