[TowerTalk] Why horizontally polarized antennas?

Kelly Johnson n6kj.kelly at gmail.com
Fri Jul 2 16:24:27 PDT 2010


OK, let's ignore the fact that I said "horizontally polarized".  My
co-worker assumed my antenna is "horizontally polarized" because it is
physically oriented that way.  Regardless, I'm sure everyone
understands his question.

BTW - The reason he asked was because he had been told by a very well
known and respected industry expert that verticals over water were the
best radiators.  I explained to him that yes, verticals over salt
water are very good, but not many hams live over salt water so most of
us use yagi's.


On Fri, Jul 2, 2010 at 2:32 PM, Steve Hunt <steve at karinya.net> wrote:
> We shouldn't assume that just because an antenna is horizontal it
> produces only horizontally-polarized radiation. Take a look at a
> horizontal half-wave dipole with a modelling programme and you'll find
> that the polarization is nearer vertical than horizontal for a
> substantial part of the azimuth.
>
> Steve G3TXQ
>
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