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Old October 7th 07, 11:31 PM posted to rec.radio.amateur.antenna
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Default j-pole 5/8 wave

On Oct 7, 12:50 pm, JIMMIE wrote:
wrote:



This gives me a new way of looking at the Isopole antennas. I am
begining to think the upper sleeve is not there for isolation but
rather it is a radiator and the bottom sleeve is there to decouple it
from the mast and feedline.

Jimmie


Thats it.. The upper cone is appx 5/8 wave and is the lower element.
The lower cone should be appx a 1/4 wave and is for decoupling the
line.
MK


 
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