Dave wrote:
stubs work very nicely. you can get practical stub information at my web
site, including how to build a 40m to 15m 3rd harmonic stub filter:
http://www.k1ttt.net/technote/techref.html#filters

A fellow ham sent me an email suggesting a use for a shorted
1/4WL stub that had not occurred to me before. Many hams have
static electricity problems with dipoles since there is not
a DC path between the poles. For a single-frequency dipole,
a shorted 1/4WL stub could be installed at the feedpoint to
drain off the static electricity without affecting the
performance much on the fundamental frequency. It would also
aid in the suppression of even harmonics.
--
73, Cecil http://www.qsl.net/w5dxp



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