November 18th 08, 05:25 PM
posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Mar 2007
Posts: 801
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Is blockage of Jpole bottom stub ok?
Cecil Moore wrote:
wrote:
Thanks for any help,
The rule is that a conductive support needs to be kept
a few diameters away from the spacing of the non-radiating
stub. If that condition is met, it should be OK.
essentially, that stub is a openwire balanced transmission line, so all
the usual rules about spacing of openwire line from things that will
perturb the field apply. As Cecil says.. a few spacings away..
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