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  • Writer's picturextgaby

Building an endfed antenne "the sequel".


For the 40, 20, 15 and 10 meter band, I have shortened the first part of the antenne from 20.40 meters to 20.15 meters.

I have also decreased the coil value from 120 to 90 uH in combination with a longer extension of the 80 meters part at the end, this gives a better bandwidth on 80 meters.

Measuring results:

80 meters 40 meters

20 meters 15 meters

10 meters Minimum SWR

SWR curve 80 meters

SWR curve 40 meters

SWR curve 20 meters

SWR curve 15 meters

SWR curve 10 meters

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