[Elecraft] Evaluating antennas
Ken Kopp
k0pp at ixpres.com
Wed Feb 21 19:48:43 EST 2007
Given all the discussion about the various antennas ....
I do wire antenna seminars at conventions and hamfests, and
usually in some way tell my audience the following:
NO antenna is ever high enough! (:-)
Many years ago ... 50+ ... I put up (too) many antennas in
the quest for the perfect radiator, and I offer the following
observation.
No antenna should be "written off" without a long period of
evaluation ... perhaps several weeks or more. At the time I
was in hot pursuit of "something better" and would change
an antenna too often ... even from one day to the next.
I eventually learned that there are many factors that can influence
how well antenna will work for you. I didn't understand about
the fickle ways of the propogation gods, sunspots, the antenna's
surroundings, etc. and that these factors will deternine how your
new antenna will work to a greater degree than what "kind" of
antenna it is.
I have four 100' towers and some of today's "best" antennas
fed with "hardline", but if I had to choose only one it would be
the 80M half-wave at 65' that's fed with home-made open wire
and a Johnson Matchbox.
73! Ken Kopp - K0PP
k0pp at arrl.net
or
k0pp at ixpres.com
Ken Kopp - K0PP
k0pp at arrl.net
or
k0pp at ixpres.com
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