dipole antenna efficiency

Posted by Shaun Oliver on Jan 04, 2008; 2:20am
URL: http://elecraft.85.s1.nabble.com/dipole-antenna-efficiency-tp458071.html

Hi all,
if I were to make a dipole, would coiling it round a piece of plastic
piping decrease the efficiency of the thing? I intend on making one for
40 meters, one for 80 meters, and one for 10 meters. I've worked out
that1 meter of piping will suffice for each leg of each antenna.
thanks in advance.
shaun
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