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Why?

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gophert

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Please post your drawings that you reference.
 

Mickster

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No images are attached.
Click here on your page:
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Select the file(s) you want to display, then select "thumbnail" or "full image".

Regards.

EDIT: cross-posted with gophert.
 

rjenkinsgb

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The impedance of the end of a grounded quarter wave stub is theoretically infinite.

With eg. a half wave dipole (with grounded centre point), you can pick any feed impedance you want by moving closer to the centre [= lower impedance] of further from the centre [= higher impedance].
 
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