Thread: Electrical lenght vs. phisical lenght
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Old April 22nd 09, 07:32 PM posted to rec.radio.amateur.antenna
Cecil Moore[_2_] Cecil Moore[_2_] is offline
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First recorded activity by RadioBanter: Mar 2007
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Default Electrical lenght vs. phisical lenght
-.-. --.- wrote:
... what decide the feed point
modality (I or V) ??

1/4WL down from the tip is a current maximum point.
1/2WL down from the tip is a voltage maximum point.
3/4WL down from the tip is a current maximum point.
4/4WL down from the tip is a voltage maximum point.
5/4WL down from the tip is a current maximum point.

i.e., odd multiples of 1/4WL are current maximums.

i.e., even multiples of 1/4WL are voltage maximums.
--
73, Cecil, IEEE, OOTC, http://www.w5dxp.com
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