Topband: : antenna question
mike l dormann
w7dra at juno.com
Sun Dec 9 14:59:37 EST 2012
once upon a time a long time ago i saw somewhere in a magazine or book,
or maybe someone told me, or i heard at a ham club meeting or flea
market, or i had a dream while in heart surgery, or my wife told me that
a 300 ohm TV twin lead dipole is not all twin lead, but the twin lead is
shorter than a half wavelength and at each end a wire continues to make
half wavelength length of the dipole.
anyone do a dipole this way? or heard or read etc etc about this
technique?
thanks
mike w7dra
and..................the half wavelength of a dipole by formula is 468/f,
468/1.8=260 * TV twin lead veolcity factor of .8 or so would bring down
the half wavelength to a little under 215 feet.................
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